mirror/oot
1
0
Fork 0
mirror of https://github.com/zeldaret/oot.git synced 2025-02-14 19:14:50 +00:00
Code Issues Projects Releases Wiki Activity

Use IDO for assembling handwritten asm files in src (#2390)

Browse source 
* as0

* Fix ASOPTFLAGS for src/libc, remove unnecessary noreorder region in kanread

* Suggested changes

* Use %half to load the boot bss size for matching

Co-authored-by: cadmic <cadmic24@gmail.com>

* Wrap all of __osProbeTLB in noreorder

---------

Co-authored-by: cadmic <cadmic24@gmail.com>
This commit is contained in:
Tharo 2024-12-28 20:18:45 +00:00 • committed by GitHub
parent ba6a83533a
commit 7e082f0c4f
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
54 changed files with 2612 additions and 2653 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

89
Makefile
View file

@ -41,6 +41,8 @@ VERSION ?= gc-eu-mq-dbg
N_THREADS ?= $(shell nproc)
# Check code syntax with host compiler.
RUN_CC_CHECK ?= 1
# If DEBUG_OBJECTS is 1, produce additional debugging files such as objdump output or raw binaries for assets
DEBUG_OBJECTS ?= 0
# Set prefix to mips binutils binaries (mips-linux-gnu-ld => 'mips-linux-gnu-') - Change at your own risk!
# In nearly all cases, not having 'mips-linux-gnu-*' binaries on the PATH indicates missing dependencies.
MIPS_BINUTILS_PREFIX ?= mips-linux-gnu-
@ -56,6 +58,7 @@ N64_EMULATOR ?=
# DEBUG_FEATURES ?= 1
CFLAGS ?=
CCASFLAGS ?=
CPPFLAGS ?=
CPP_DEFINES ?=
@ -239,6 +242,7 @@ else
CPP_DEFINES += -DDEBUG_FEATURES=0 -DNDEBUG
OPTFLAGS := -O2 -g3
endif
ASOPTFLAGS := -O1
ifeq ($(OS),Windows_NT)
DETECTED_OS=windows
@ -261,9 +265,11 @@ endif
# Detect compiler and set variables appropriately.
ifeq ($(COMPILER),gcc)
CC := $(MIPS_BINUTILS_PREFIX)gcc
CCAS := $(CC) -x assembler-with-cpp
else ifeq ($(COMPILER),ido)
CC := tools/ido_recomp/$(DETECTED_OS)/7.1/cc
CC_OLD := tools/ido_recomp/$(DETECTED_OS)/5.3/cc
CCAS := $(CC_OLD)
else
$(error Unsupported compiler. Please use either ido or gcc as the COMPILER variable.)
endif
@ -276,8 +282,9 @@ ifeq ($(ORIG_COMPILER),1)
$(error Please install qemu-irix package or set QEMU_IRIX env var to the full qemu-irix binary path)
endif
endif
CC = $(QEMU_IRIX) -L tools/ido7.1_compiler tools/ido7.1_compiler/usr/bin/cc
CC_OLD = $(QEMU_IRIX) -L tools/ido5.3_compiler tools/ido5.3_compiler/usr/bin/cc
CC := $(QEMU_IRIX) -L tools/ido7.1_compiler tools/ido7.1_compiler/usr/bin/cc
CC_OLD := $(QEMU_IRIX) -L tools/ido5.3_compiler tools/ido5.3_compiler/usr/bin/cc
CCAS := $(CC)
endif
AS := $(MIPS_BINUTILS_PREFIX)as
@ -285,6 +292,7 @@ LD := $(MIPS_BINUTILS_PREFIX)ld
OBJCOPY := $(MIPS_BINUTILS_PREFIX)objcopy
OBJDUMP := $(MIPS_BINUTILS_PREFIX)objdump
NM := $(MIPS_BINUTILS_PREFIX)nm
STRIP := $(MIPS_BINUTILS_PREFIX)strip
# The default iconv on macOS has some differences from GNU iconv, so we use the Homebrew version instead
ifeq ($(UNAME_S),Darwin)
@ -328,8 +336,18 @@ SBCFLAGS := --matching
SFCFLAGS := --matching
CFLAGS += $(CPP_DEFINES)
CCASFLAGS := $(CPP_DEFINES)
CPPFLAGS += $(CPP_DEFINES)
# Extra debugging steps
ifeq ($(DEBUG_OBJECTS),1)
OBJDUMP_CMD = @$(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
OBJCOPY_CMD = @$(OBJCOPY) -O binary $@ $(@:.o=.bin)
else
OBJDUMP_CMD = @:
OBJCOPY_CMD = @:
endif
ifeq ($(COMPILER),gcc)
OPTFLAGS := -Os -ffast-math -fno-unsafe-math-optimizations
endif
@ -348,12 +366,14 @@ ASFLAGS := -march=vr4300 -32 -no-pad-sections -Iinclude -I$(EXTRACTED_DIR)
ifeq ($(COMPILER),gcc)
CFLAGS += -G 0 -nostdinc $(INC) -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks -fno-PIC -fno-common -ffreestanding -fbuiltin -fno-builtin-sinf -fno-builtin-cosf $(CHECK_WARNINGS) -funsigned-char
CCASFLAGS += -G 0 -nostdinc $(INC) -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -fno-PIC -fno-common -Wa,-no-pad-sections
MIPS_VERSION := -mips3
else
# Suppress warnings for wrong number of macro arguments (to fake variadic
# macros) and Microsoft extensions such as anonymous structs (which the
# compiler does support but warns for their usage).
CFLAGS += -G 0 -non_shared -fullwarn -verbose -Xcpluscomm $(INC) -Wab,-r4300_mul -woff 516,609,649,838,712,807
CCASFLAGS += -G 0 -non_shared -fullwarn -verbose -Xcpluscomm $(INC) -Wab,-r4300_mul -woff 516,609,649,838,712,807 -o32
MIPS_VERSION := -mips2
endif
@ -482,7 +502,8 @@ O_FILES := $(foreach f,$(S_FILES:.s=.o),$(BUILD_DIR)/$f) \
$(foreach f,$(ASSET_C_FILES_EXTRACTED:.c=.o),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)) \
$(foreach f,$(ASSET_C_FILES_COMMITTED:.c=.o),$(BUILD_DIR)/$f) \
$(foreach f,$(BASEROM_BIN_FILES),$(BUILD_DIR)/baserom/$(notdir $f).o) \
$(BUILD_DIR)/src/code/z_message_z_game_over.o
$(BUILD_DIR)/src/code/z_message_z_game_over.o \
$(BUILD_DIR)/src/makerom/ipl3.o
OVL_RELOC_FILES := $(shell $(CPP) $(CPPFLAGS) $(SPEC) | $(BUILD_DIR_REPLACE) | grep -o '[^"]*_reloc.o' )
@ -545,8 +566,10 @@ $(BUILD_DIR)/src/code/jpegdecoder.o: CC := $(CC_OLD)
ifeq ($(DEBUG_FEATURES),1)
$(BUILD_DIR)/src/libc/%.o: OPTFLAGS := -g
$(BUILD_DIR)/src/libc/%.o: ASOPTFLAGS := -g
else
$(BUILD_DIR)/src/libc/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/libc/%.o: ASOPTFLAGS := -O2
endif
$(BUILD_DIR)/src/libc64/%.o: OPTFLAGS := -O2
@ -573,6 +596,13 @@ $(BUILD_DIR)/src/libultra/libc/ll.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/libultra/libc/llcvt.o: OPTFLAGS := -O1
$(BUILD_DIR)/src/libultra/libc/llcvt.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/libultra/os/exceptasm.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/code/%.o: ASOPTFLAGS := -O2
$(BUILD_DIR)/src/libleo/%.o: ASOPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/libc/%.o: ASOPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/mgu/%.o: ASOPTFLAGS := -O2
ifeq ($(LIBULTRA_VERSION),I)
$(BUILD_DIR)/src/libultra/gu/%.o: OPTFLAGS := -O3
$(BUILD_DIR)/src/libultra/io/%.o: OPTFLAGS := -O1
@ -636,6 +666,11 @@ $(BUILD_DIR)/src/libultra/libc/ll.o: OPTFLAGS := -Ofast
$(BUILD_DIR)/src/overlays/%.o: CFLAGS += -fno-merge-constants -mno-explicit-relocs -mno-split-addresses
endif
SET_ABI_BIT = @:
$(BUILD_DIR)/src/libultra/os/exceptasm.o: SET_ABI_BIT = $(PYTHON) tools/set_o32abi_bit.py $@
$(BUILD_DIR)/src/libultra/libc/ll.o: SET_ABI_BIT = $(PYTHON) tools/set_o32abi_bit.py $@
$(BUILD_DIR)/src/libultra/libc/llcvt.o: SET_ABI_BIT = $(PYTHON) tools/set_o32abi_bit.py $@
#### Main Targets ###
all: rom compress
@ -783,14 +818,37 @@ endif
$(BUILD_DIR)/assets/%.o: assets/%.c
$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
$(OBJCOPY) -O binary $@ $@.bin
$(OBJCOPY_CMD)
$(BUILD_DIR)/assets/%.o: $(EXTRACTED_DIR)/assets/%.c
$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
$(OBJCOPY) -O binary $@ $@.bin
$(OBJCOPY_CMD)
# Assemble the ROM header with GNU AS always
$(BUILD_DIR)/src/makerom/rom_header.o: src/makerom/rom_header.s
ifeq ($(COMPILER),ido)
$(CPP) $(CPPFLAGS) $(MIPS_BUILTIN_DEFS) $(INC) $< | $(AS) $(ASFLAGS) -o $@
else
$(CCAS) -c $(CCASFLAGS) $(MIPS_VERSION) $(ASOPTFLAGS) -o $@ $<
endif
$(OBJDUMP_CMD)
$(BUILD_DIR)/src/makerom/ipl3.o: $(EXTRACTED_DIR)/incbin/ipl3
$(OBJCOPY) -I binary -O elf32-big --rename-section .data=.text $< $@
$(BUILD_DIR)/src/%.o: src/%.s
$(CPP) $(CPPFLAGS) -Iinclude $< | $(AS) $(ASFLAGS) -o $@
ifeq ($(COMPILER),ido)
$(CCAS) -c $(CCASFLAGS) $(MIPS_VERSION) $(ASOPTFLAGS) -o $(@:.o=.tmp.o) $<
# IDO generates bad symbol tables, fix the symbol table with strip..
$(STRIP) $(@:.o=.tmp.o) -N dummy-symbol-name
# but strip doesn't know about file-relative offsets in .mdebug and doesn't relocate them, ld will
# segfault unless .mdebug is removed
$(OBJCOPY) --remove-section .mdebug $(@:.o=.tmp.o) $@
$(SET_ABI_BIT)
else
$(CCAS) -c $(CCASFLAGS) $(MIPS_VERSION) $(ASOPTFLAGS) -o $@ $<
endif
$(OBJDUMP_CMD)
# Incremental link to move z_message and z_game_over data into rodata
$(BUILD_DIR)/src/code/z_message_z_game_over.o: $(BUILD_DIR)/src/code/z_message.o $(BUILD_DIR)/src/code/z_game_over.o
@ -820,7 +878,8 @@ ifneq ($(RUN_CC_CHECK),0)
$(CC_CHECK) $<
endif
$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
@$(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
$(SET_ABI_BIT)
$(OBJDUMP_CMD)
$(BUILD_DIR)/src/audio/session_init.o: src/audio/session_init.c $(BUILD_DIR)/assets/audio/soundfont_sizes.h $(BUILD_DIR)/assets/audio/sequence_sizes.h
ifneq ($(RUN_CC_CHECK),0)
@ -830,22 +889,6 @@ endif
$(LD) -r -T linker_scripts/data_with_rodata.ld -o $@ $(@:.o=.tmp)
@$(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
$(BUILD_DIR)/src/libultra/libc/ll.o: src/libultra/libc/ll.c
ifneq ($(RUN_CC_CHECK),0)
$(CC_CHECK) $<
endif
$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
$(PYTHON) tools/set_o32abi_bit.py $@
@$(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
$(BUILD_DIR)/src/libultra/libc/llcvt.o: src/libultra/libc/llcvt.c
ifneq ($(RUN_CC_CHECK),0)
$(CC_CHECK) $<
endif
$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
$(PYTHON) tools/set_o32abi_bit.py $@
@$(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
$(BUILD_DIR)/src/overlays/%_reloc.o: $(BUILD_DIR)/$(SPEC)
$(FADO) $$(tools/reloc_prereq $< $(notdir $*)) -n $(notdir $*) -o $(@:.o=.s) -M $(@:.o=.d)
$(AS) $(ASFLAGS) $(@:.o=.s) -o $@

458
include/ultra64/R4300.h
View file

@ -10,7 +10,7 @@
#define C_REG(x) $x
#endif
// Segment base addresses and sizes
/* Segment base addresses and sizes */
#define KUBASE 0
#define KUSIZE 0x80000000
#define K0BASE 0x80000000
@ -20,24 +20,24 @@
#define K2BASE 0xC0000000
#define K2SIZE 0x20000000
// Exception vectors
#define SIZE_EXCVEC 0x80 // Size of an exc. vec
#define UT_VEC K0BASE // utlbmiss vector
#define R_VEC (K1BASE + 0x1FC00000) // reset vector
#define XUT_VEC (K0BASE + 0x80) // extended address tlbmiss
#define ECC_VEC (K0BASE + 0x100) // Ecc exception vector
#define E_VEC (K0BASE + 0x180) // Gen. exception vector
/* Exception vectors */
#define SIZE_EXCVEC 0x80 /* Size of an exc. vec */
#define UT_VEC K0BASE /* utlbmiss vector */
#define R_VEC (K1BASE + 0x1FC00000) /* reset vector */
#define XUT_VEC (K0BASE + 0x80) /* extended address tlbmiss */
#define ECC_VEC (K0BASE + 0x100) /* Ecc exception vector */
#define E_VEC (K0BASE + 0x180) /* Gen. exception vector */
// Address conversion macros
#define K0_TO_K1(x) (U32(x) | 0xA0000000) // kseg0 to kseg1
#define K1_TO_K0(x) (U32(x) & 0x9FFFFFFF) // kseg1 to kseg0
#define K0_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) // kseg0 to physical
#define K1_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) // kseg1 to physical
#define KDM_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) // direct mapped to physical
#define PHYS_TO_K0(x) (U32(x) | 0x80000000) // physical to kseg0
#define PHYS_TO_K1(x) (U32(x) | 0xA0000000) // physical to kseg1
/* Address conversion macros */
#define K0_TO_K1(x) (U32(x) | 0xA0000000) /* kseg0 to kseg1 */
#define K1_TO_K0(x) (U32(x) & 0x9FFFFFFF) /* kseg1 to kseg0 */
#define K0_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) /* kseg0 to physical */
#define K1_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) /* kseg1 to physical */
#define KDM_TO_PHYS(x) (U32(x) & 0x1FFFFFFF) /* direct mapped to physical */
#define PHYS_TO_K0(x) (U32(x) | 0x80000000) /* physical to kseg0 */
#define PHYS_TO_K1(x) (U32(x) | 0xA0000000) /* physical to kseg1 */
// Address predicates
/* Address predicates */
#define IS_KSEG0(x) (U32(x) >= K0BASE && U32(x) < K1BASE)
#define IS_KSEG1(x) (U32(x) >= K1BASE && U32(x) < K2BASE)
#define IS_KSEGDM(x) (U32(x) >= K0BASE && U32(x) < K2BASE)
@ -45,25 +45,25 @@
#define IS_KPTESEG(x) (U32(x) >= KPTE_SHDUBASE)
#define IS_KUSEG(x) (U32(x) < K0BASE)
// TLB size constants
/* TLB size constants */
#define NTLBENTRIES 31 /* entry 31 is reserved by rdb */
#define TLBHI_VPN2MASK 0xFFFFE000
#define TLBHI_VPN2SHIFT 13
#define TLBHI_PIDMASK 0xFF
#define TLBHI_PIDSHIFT 0
#define TLBHI_NPID 255 // 255 to fit in 8 bits
#define TLBHI_NPID 255 /* 255 to fit in 8 bits */
#define TLBLO_PFNMASK 0x3FFFFFC0
#define TLBLO_PFNSHIFT 6
#define TLBLO_CACHMASK 0x38 // cache coherency algorithm
#define TLBLO_CACHMASK 0x38 /* cache coherency algorithm */
#define TLBLO_CACHSHIFT 3
#define TLBLO_UNCACHED 0x10 // not cached
#define TLBLO_NONCOHRNT 0x18 // Cacheable non-coherent
#define TLBLO_EXLWR 0x28 // Exclusive write
#define TLBLO_D 0x4 // writeable
#define TLBLO_V 0x2 // valid bit
#define TLBLO_G 0x1 // global access bit
#define TLBLO_UNCACHED 0x10 /* not cached */
#define TLBLO_NONCOHRNT 0x18 /* Cacheable non-coherent */
#define TLBLO_EXLWR 0x28 /* Exclusive write */
#define TLBLO_D 0x4 /* writeable */
#define TLBLO_V 0x2 /* valid bit */
#define TLBLO_G 0x1 /* global access bit */
#define TLBINX_PROBE 0x80000000
#define TLBINX_INXMASK 0x3F
@ -88,104 +88,104 @@
/*
* Status register
*/
#define SR_CUMASK 0xF0000000 // coproc usable bits
#define SR_CUMASK 0xF0000000 /* coproc usable bits */
#define SR_CU3 0x80000000 // Coprocessor 3 usable
#define SR_CU2 0x40000000 // Coprocessor 2 usable
#define SR_CU1 0x20000000 // Coprocessor 1 usable
#define SR_CU0 0x10000000 // Coprocessor 0 usable
#define SR_RP 0x08000000 // Reduced power (quarter speed)
#define SR_FR 0x04000000 // MIPS III FP register mode
#define SR_RE 0x02000000 // Reverse endian
#define SR_ITS 0x01000000 // Instruction trace support
#define SR_BEV 0x00400000 // Use boot exception vectors
#define SR_TS 0x00200000 // TLB shutdown
#define SR_SR 0x00100000 // Soft reset occured
#define SR_CH 0x00040000 // Cache hit for last 'cache' op
#define SR_CE 0x00020000 // Create ECC
#define SR_DE 0x00010000 // ECC of parity does not cause error
#define SR_CU3 0x80000000 /* Coprocessor 3 usable */
#define SR_CU2 0x40000000 /* Coprocessor 2 usable */
#define SR_CU1 0x20000000 /* Coprocessor 1 usable */
#define SR_CU0 0x10000000 /* Coprocessor 0 usable */
#define SR_RP 0x08000000 /* Reduced power (quarter speed) */
#define SR_FR 0x04000000 /* MIPS III FP register mode */
#define SR_RE 0x02000000 /* Reverse endian */
#define SR_ITS 0x01000000 /* Instruction trace support */
#define SR_BEV 0x00400000 /* Use boot exception vectors */
#define SR_TS 0x00200000 /* TLB shutdown */
#define SR_SR 0x00100000 /* Soft reset occured */
#define SR_CH 0x00040000 /* Cache hit for last 'cache' op */
#define SR_CE 0x00020000 /* Create ECC */
#define SR_DE 0x00010000 /* ECC of parity does not cause error */
// Interrupt enable bits
// (NOTE: bits set to 1 enable the corresponding level interrupt)
#define SR_IMASK 0x0000FF00 // Interrupt mask
#define SR_IMASK8 0x00000000 // mask level 8
#define SR_IMASK7 0x00008000 // mask level 7
#define SR_IMASK6 0x0000C000 // mask level 6
#define SR_IMASK5 0x0000E000 // mask level 5
#define SR_IMASK4 0x0000F000 // mask level 4
#define SR_IMASK3 0x0000F800 // mask level 3
#define SR_IMASK2 0x0000FC00 // mask level 2
#define SR_IMASK1 0x0000FE00 // mask level 1
#define SR_IMASK0 0x0000FF00 // mask level 0
/* Interrupt enable bits */
/* (NOTE: bits set to 1 enable the corresponding level interrupt) */
#define SR_IMASK 0x0000FF00 /* Interrupt mask */
#define SR_IMASK8 0x00000000 /* mask level 8 */
#define SR_IMASK7 0x00008000 /* mask level 7 */
#define SR_IMASK6 0x0000C000 /* mask level 6 */
#define SR_IMASK5 0x0000E000 /* mask level 5 */
#define SR_IMASK4 0x0000F000 /* mask level 4 */
#define SR_IMASK3 0x0000F800 /* mask level 3 */
#define SR_IMASK2 0x0000FC00 /* mask level 2 */
#define SR_IMASK1 0x0000FE00 /* mask level 1 */
#define SR_IMASK0 0x0000FF00 /* mask level 0 */
#define SR_IBIT8 0x00008000 // bit level 8
#define SR_IBIT7 0x00004000 // bit level 7
#define SR_IBIT6 0x00002000 // bit level 6
#define SR_IBIT5 0x00001000 // bit level 5
#define SR_IBIT4 0x00000800 // bit level 4
#define SR_IBIT3 0x00000400 // bit level 3
#define SR_IBIT2 0x00000200 // bit level 2
#define SR_IBIT1 0x00000100 // bit level 1
#define SR_IBIT8 0x00008000 /* bit level 8 */
#define SR_IBIT7 0x00004000 /* bit level 7 */
#define SR_IBIT6 0x00002000 /* bit level 6 */
#define SR_IBIT5 0x00001000 /* bit level 5 */
#define SR_IBIT4 0x00000800 /* bit level 4 */
#define SR_IBIT3 0x00000400 /* bit level 3 */
#define SR_IBIT2 0x00000200 /* bit level 2 */
#define SR_IBIT1 0x00000100 /* bit level 1 */
#define SR_IMASKSHIFT 8
#define SR_KX 0x00000080 // extended-addr TLB vec in kernel
#define SR_SX 0x00000040 // xtended-addr TLB vec supervisor
#define SR_UX 0x00000020 // xtended-addr TLB vec in user mode
#define SR_KSU_MASK 0x00000018 // mode mask
#define SR_KSU_USR 0x00000010 // user mode
#define SR_KSU_SUP 0x00000008 // supervisor mode
#define SR_KSU_KER 0x00000000 // kernel mode
#define SR_ERL 0x00000004 // Error level, 1=>cache error
#define SR_EXL 0x00000002 // Exception level, 1=>exception
#define SR_IE 0x00000001 // interrupt enable, 1=>enable
#define SR_KX 0x00000080 /* extended-addr TLB vec in kernel */
#define SR_SX 0x00000040 /* xtended-addr TLB vec supervisor */
#define SR_UX 0x00000020 /* xtended-addr TLB vec in user mode */
#define SR_KSU_MASK 0x00000018 /* mode mask */
#define SR_KSU_USR 0x00000010 /* user mode */
#define SR_KSU_SUP 0x00000008 /* supervisor mode */
#define SR_KSU_KER 0x00000000 /* kernel mode */
#define SR_ERL 0x00000004 /* Error level, 1=>cache error */
#define SR_EXL 0x00000002 /* Exception level, 1=>exception */
#define SR_IE 0x00000001 /* interrupt enable, 1=>enable */
// Cause Register
#define CAUSE_BD 0x80000000 // Branch delay slot
#define CAUSE_CEMASK 0x30000000 // coprocessor error
/* Cause Register */
#define CAUSE_BD 0x80000000 /* Branch delay slot */
#define CAUSE_CEMASK 0x30000000 /* coprocessor error */
#define CAUSE_CESHIFT 28
// Interrupt pending bits
#define CAUSE_IP8 0x00008000 // External level 8 pending - COMPARE
#define CAUSE_IP7 0x00004000 // External level 7 pending - INT4
#define CAUSE_IP6 0x00002000 // External level 6 pending - INT3
#define CAUSE_IP5 0x00001000 // External level 5 pending - INT2
#define CAUSE_IP4 0x00000800 // External level 4 pending - INT1
#define CAUSE_IP3 0x00000400 // External level 3 pending - INT0
#define CAUSE_SW2 0x00000200 // Software level 2 pending
#define CAUSE_SW1 0x00000100 // Software level 1 pending
/* Interrupt pending bits */
#define CAUSE_IP8 0x00008000 /* External level 8 pending - COMPARE */
#define CAUSE_IP7 0x00004000 /* External level 7 pending - INT4 */
#define CAUSE_IP6 0x00002000 /* External level 6 pending - INT3 */
#define CAUSE_IP5 0x00001000 /* External level 5 pending - INT2 */
#define CAUSE_IP4 0x00000800 /* External level 4 pending - INT1 */
#define CAUSE_IP3 0x00000400 /* External level 3 pending - INT0 */
#define CAUSE_SW2 0x00000200 /* Software level 2 pending */
#define CAUSE_SW1 0x00000100 /* Software level 1 pending */
#define CAUSE_IPMASK 0x0000FF00 // Pending interrupt mask
#define CAUSE_IPMASK 0x0000FF00 /* Pending interrupt mask */
#define CAUSE_IPSHIFT 8
#define CAUSE_EXCMASK 0x0000007C // Cause code bits
#define CAUSE_EXCMASK 0x0000007C /* Cause code bits */
#define CAUSE_EXCSHIFT 2
// Cause register exception codes
/* Cause register exception codes */
#define EXC_CODE(x) ((x) << 2)
// Hardware exception codes
#define EXC_INT EXC_CODE(0) // interrupt
#define EXC_MOD EXC_CODE(1) // TLB mod
#define EXC_RMISS EXC_CODE(2) // Read TLB Miss
#define EXC_WMISS EXC_CODE(3) // Write TLB Miss
#define EXC_RADE EXC_CODE(4) // Read Address Error
#define EXC_WADE EXC_CODE(5) // Write Address Error
#define EXC_IBE EXC_CODE(6) // Instruction Bus Error
#define EXC_DBE EXC_CODE(7) // Data Bus Error
#define EXC_SYSCALL EXC_CODE(8) // SYSCALL
#define EXC_BREAK EXC_CODE(9) // BREAKpoint
#define EXC_II EXC_CODE(10) // Illegal Instruction
#define EXC_CPU EXC_CODE(11) // CoProcessor Unusable
#define EXC_OV EXC_CODE(12) // OVerflow
#define EXC_TRAP EXC_CODE(13) // Trap exception
#define EXC_VCEI EXC_CODE(14) // Virt. Coherency on Inst. fetch
#define EXC_FPE EXC_CODE(15) // Floating Point Exception
#define EXC_WATCH EXC_CODE(23) // Watchpoint reference
#define EXC_VCED EXC_CODE(31) // Virt. Coherency on data read
/* Hardware exception codes */
#define EXC_INT EXC_CODE(0) /* interrupt */
#define EXC_MOD EXC_CODE(1) /* TLB mod */
#define EXC_RMISS EXC_CODE(2) /* Read TLB Miss */
#define EXC_WMISS EXC_CODE(3) /* Write TLB Miss */
#define EXC_RADE EXC_CODE(4) /* Read Address Error */
#define EXC_WADE EXC_CODE(5) /* Write Address Error */
#define EXC_IBE EXC_CODE(6) /* Instruction Bus Error */
#define EXC_DBE EXC_CODE(7) /* Data Bus Error */
#define EXC_SYSCALL EXC_CODE(8) /* SYSCALL */
#define EXC_BREAK EXC_CODE(9) /* BREAKpoint */
#define EXC_II EXC_CODE(10) /* Illegal Instruction */
#define EXC_CPU EXC_CODE(11) /* CoProcessor Unusable */
#define EXC_OV EXC_CODE(12) /* OVerflow */
#define EXC_TRAP EXC_CODE(13) /* Trap exception */
#define EXC_VCEI EXC_CODE(14) /* Virt. Coherency on Inst. fetch */
#define EXC_FPE EXC_CODE(15) /* Floating Point Exception */
#define EXC_WATCH EXC_CODE(23) /* Watchpoint reference */
#define EXC_VCED EXC_CODE(31) /* Virt. Coherency on data read */
// C0_PRID Defines
/* C0_PRID Defines */
#define C0_IMPMASK 0xFF00
#define C0_IMPSHIFT 8
#define C0_REVMASK 0xFF
@ -193,106 +193,106 @@
#define C0_MAJREVSHIFT 4
#define C0_MINREVMASK 0xF
// Coprocessor 0 operations
#define C0_READI 0x1 // read ITLB entry addressed by C0_INDEX
#define C0_WRITEI 0x2 // write ITLB entry addressed by C0_INDEX
#define C0_WRITER 0x6 // write ITLB entry addressed by C0_RAND
#define C0_PROBE 0x8 // probe for ITLB entry addressed by TLBHI
#define C0_RFE 0x10 // restore for exception
/* Coprocessor 0 operations */
#define C0_READI 0x1 /* read ITLB entry addressed by C0_INDEX */
#define C0_WRITEI 0x2 /* write ITLB entry addressed by C0_INDEX */
#define C0_WRITER 0x6 /* write ITLB entry addressed by C0_RAND */
#define C0_PROBE 0x8 /* probe for ITLB entry addressed by TLBHI */
#define C0_RFE 0x10 /* restore for exception */
// 'cache' instruction definitions
/* 'cache' instruction definitions */
// Target cache
#define CACH_PI 0x0 // specifies primary inst. cache
#define CACH_PD 0x1 // primary data cache
#define CACH_SI 0x2 // secondary instruction cache
#define CACH_SD 0x3 // secondary data cache
/* Target cache */
#define CACH_PI 0x0 /* specifies primary inst. cache */
#define CACH_PD 0x1 /* primary data cache */
#define CACH_SI 0x2 /* secondary instruction cache */
#define CACH_SD 0x3 /* secondary data cache */
// Cache operations
#define C_IINV 0x0 // index invalidate (inst, 2nd inst)
#define C_IWBINV 0x0 // index writeback inval (d, sd)
#define C_ILT 0x4 // index load tag (all)
#define C_IST 0x8 // index store tag (all)
#define C_CDX 0xC // create dirty exclusive (d, sd)
#define C_HINV 0x10 // hit invalidate (all)
#define C_HWBINV 0x14 // hit writeback inv. (d, sd)
#define C_FILL 0x14 // fill (i)
#define C_HWB 0x18 // hit writeback (i, d, sd)
#define C_HSV 0x1C // hit set virt. (si, sd)
/* Cache operations */
#define C_IINV 0x0 /* index invalidate (inst, 2nd inst) */
#define C_IWBINV 0x0 /* index writeback inval (d, sd) */
#define C_ILT 0x4 /* index load tag (all) */
#define C_IST 0x8 /* index store tag (all) */
#define C_CDX 0xC /* create dirty exclusive (d, sd) */
#define C_HINV 0x10 /* hit invalidate (all) */
#define C_HWBINV 0x14 /* hit writeback inv. (d, sd) */
#define C_FILL 0x14 /* fill (i) */
#define C_HWB 0x18 /* hit writeback (i, d, sd) */
#define C_HSV 0x1C /* hit set virt. (si, sd) */
// Cache size definitions
#define ICACHE_SIZE 0x4000 // 16K
#define ICACHE_LINESIZE 32 // 8 words
/* Cache size definitions */
#define ICACHE_SIZE 0x4000 /* 16K */
#define ICACHE_LINESIZE 32 /* 8 words */
#define ICACHE_LINEMASK (ICACHE_LINESIZE - 1)
#define DCACHE_SIZE 0x2000 // 8K
#define DCACHE_LINESIZE 16 // 4 words
#define DCACHE_SIZE 0x2000 /* 8K */
#define DCACHE_LINESIZE 16 /* 4 words */
#define DCACHE_LINEMASK (DCACHE_LINESIZE - 1)
// C0_CONFIG register definitions
#define CONFIG_CM 0x80000000 // 1 == Master-Checker enabled
#define CONFIG_EC 0x70000000 // System Clock ratio
#define CONFIG_EC_1_1 0x6 // System Clock ratio 1 :1
#define CONFIG_EC_3_2 0x7 // System Clock ratio 1.5 :1
#define CONFIG_EC_2_1 0x0 // System Clock ratio 2 :1
#define CONFIG_EC_3_1 0x1 // System Clock ratio 3 :1
#define CONFIG_EP 0x0F000000 // Transmit Data Pattern
#define CONFIG_SB 0x00C00000 // Secondary cache block size
/* C0_CONFIG register definitions */
#define CONFIG_CM 0x80000000 /* 1 == Master-Checker enabled */
#define CONFIG_EC 0x70000000 /* System Clock ratio */
#define CONFIG_EC_1_1 0x6 /* System Clock ratio 1 :1 */
#define CONFIG_EC_3_2 0x7 /* System Clock ratio 1.5 :1 */
#define CONFIG_EC_2_1 0x0 /* System Clock ratio 2 :1 */
#define CONFIG_EC_3_1 0x1 /* System Clock ratio 3 :1 */
#define CONFIG_EP 0x0F000000 /* Transmit Data Pattern */
#define CONFIG_SB 0x00C00000 /* Secondary cache block size */
#define CONFIG_SS 0x00200000 // Split scache: 0 == I&D combined
#define CONFIG_SW 0x00100000 // scache port: 0==128, 1==64
#define CONFIG_EW 0x000C0000 // System Port width: 0==64, 1==32
#define CONFIG_SC 0x00020000 // 0 -> 2nd cache present
#define CONFIG_SM 0x00010000 // 0 -> Dirty Shared Coherency enable
#define CONFIG_BE 0x00008000 // Endian-ness: 1 --> BE
#define CONFIG_EM 0x00004000 // 1 -> ECC mode, 0 -> parity
#define CONFIG_EB 0x00002000 // Block order:1->sequent,0->subblock
#define CONFIG_SS 0x00200000 /* Split scache: 0 == I&D combined */
#define CONFIG_SW 0x00100000 /* scache port: 0==128, 1==64 */
#define CONFIG_EW 0x000C0000 /* System Port width: 0==64, 1==32 */
#define CONFIG_SC 0x00020000 /* 0 -> 2nd cache present */
#define CONFIG_SM 0x00010000 /* 0 -> Dirty Shared Coherency enable */
#define CONFIG_BE 0x00008000 /* Endian-ness: 1 --> BE */
#define CONFIG_EM 0x00004000 /* 1 -> ECC mode, 0 -> parity */
#define CONFIG_EB 0x00002000 /* Block order:1->sequent,0->subblock */
#define CONFIG_IC 0x00000E00 // Primary Icache size
#define CONFIG_DC 0x000001C0 // Primary Dcache size
#define CONFIG_IB 0x00000020 // Icache block size
#define CONFIG_DB 0x00000010 // Dcache block size
#define CONFIG_CU 0x00000008 // Update on Store-conditional
#define CONFIG_K0 0x00000007 // K0SEG Coherency algorithm
#define CONFIG_IC 0x00000E00 /* Primary Icache size */
#define CONFIG_DC 0x000001C0 /* Primary Dcache size */
#define CONFIG_IB 0x00000020 /* Icache block size */
#define CONFIG_DB 0x00000010 /* Dcache block size */
#define CONFIG_CU 0x00000008 /* Update on Store-conditional */
#define CONFIG_K0 0x00000007 /* K0SEG Coherency algorithm */
#define CONFIG_UNCACHED 0x00000002 // K0 is uncached
#define CONFIG_UNCACHED 0x00000002 /* K0 is uncached */
#define CONFIG_NONCOHRNT 0x00000003
#define CONFIG_COHRNT_EXLWR 0x00000005
#define CONFIG_SB_SHFT 22 // shift SB to bit position 0
#define CONFIG_IC_SHFT 9 // shift IC to bit position 0
#define CONFIG_DC_SHFT 6 // shift DC to bit position 0
#define CONFIG_BE_SHFT 15 // shift BE to bit position 0
#define CONFIG_SB_SHFT 22 /* shift SB to bit position 0 */
#define CONFIG_IC_SHFT 9 /* shift IC to bit position 0 */
#define CONFIG_DC_SHFT 6 /* shift DC to bit position 0 */
#define CONFIG_BE_SHFT 15 /* shift BE to bit position 0 */
// C0_TAGLO definitions for setting/getting cache states and physaddr bits
#define SADDRMASK 0xFFFFE000 // 31..13 -> scache paddr bits 35..17
#define SVINDEXMASK 0x00000380 // 9..7: prim virt index bits 14..12
#define SSTATEMASK 0x00001C00 // bits 12..10 hold scache line state
#define SINVALID 0x00000000 // invalid --> 000 == state 0
#define SCLEANEXCL 0x00001000 // clean exclusive --> 100 == state 4
#define SDIRTYEXCL 0x00001400 // dirty exclusive --> 101 == state 5
#define SECC_MASK 0x0000007F // low 7 bits are ecc for the tag
#define SADDR_SHIFT 4 // shift STagLo (31..13) to 35..17
/* C0_TAGLO definitions for setting/getting cache states and physaddr bits */
#define SADDRMASK 0xFFFFE000 /* 31..13 -> scache paddr bits 35..17 */
#define SVINDEXMASK 0x00000380 /* 9..7: prim virt index bits 14..12 */
#define SSTATEMASK 0x00001C00 /* bits 12..10 hold scache line state */
#define SINVALID 0x00000000 /* invalid --> 000 == state 0 */
#define SCLEANEXCL 0x00001000 /* clean exclusive --> 100 == state 4 */
#define SDIRTYEXCL 0x00001400 /* dirty exclusive --> 101 == state 5 */
#define SECC_MASK 0x0000007F /* low 7 bits are ecc for the tag */
#define SADDR_SHIFT 4 /* shift STagLo (31..13) to 35..17 */
#define PADDRMASK 0xFFFFFF00 // PTagLo31..8->prim paddr bits35..12
#define PADDR_SHIFT 4 // roll bits 35..12 down to 31..8
#define PSTATEMASK 0x00C0 // bits 7..6 hold primary line state
#define PINVALID 0x0000 // invalid --> 000 == state 0
#define PCLEANEXCL 0x0080 // clean exclusive --> 10 == state 2
#define PDIRTYEXCL 0x00C0 // dirty exclusive --> 11 == state 3
#define PPARITY_MASK 0x0001 // low bit is parity bit (even).
#define PADDRMASK 0xFFFFFF00 /* PTagLo31..8->prim paddr bits35..12 */
#define PADDR_SHIFT 4 /* roll bits 35..12 down to 31..8 */
#define PSTATEMASK 0x00C0 /* bits 7..6 hold primary line state */
#define PINVALID 0x0000 /* invalid --> 000 == state 0 */
#define PCLEANEXCL 0x0080 /* clean exclusive --> 10 == state 2 */
#define PDIRTYEXCL 0x00C0 /* dirty exclusive --> 11 == state 3 */
#define PPARITY_MASK 0x0001 /* low bit is parity bit (even). */
// C0_CACHE_ERR definitions.
#define CACHERR_ER 0x80000000 // 0: inst ref, 1: data ref
#define CACHERR_EC 0x40000000 // 0: primary, 1: secondary
#define CACHERR_ED 0x20000000 // 1: data error
#define CACHERR_ET 0x10000000 // 1: tag error
#define CACHERR_ES 0x08000000 // 1: external ref, e.g. snoo
#define CACHERR_EE 0x04000000 // error on SysAD bus
#define CACHERR_EB 0x02000000 // complicated, see spec.
#define CACHERR_EI 0x01000000 // complicated, see spec.
#define CACHERR_SIDX_MASK 0x003FFFF8 // secondary cache index
#define CACHERR_PIDX_MASK 0x00000007 // primary cache index
#define CACHERR_PIDX_SHIFT 12 // bits 2..0 are paddr14..12
/* C0_CACHE_ERR definitions. */
#define CACHERR_ER 0x80000000 /* 0: inst ref, 1: data ref */
#define CACHERR_EC 0x40000000 /* 0: primary, 1: secondary */
#define CACHERR_ED 0x20000000 /* 1: data error */
#define CACHERR_ET 0x10000000 /* 1: tag error */
#define CACHERR_ES 0x08000000 /* 1: external ref, e.g. snoo */
#define CACHERR_EE 0x04000000 /* error on SysAD bus */
#define CACHERR_EB 0x02000000 /* complicated, see spec. */
#define CACHERR_EI 0x01000000 /* complicated, see spec. */
#define CACHERR_SIDX_MASK 0x003FFFF8 /* secondary cache index */
#define CACHERR_PIDX_MASK 0x00000007 /* primary cache index */
#define CACHERR_PIDX_SHIFT 12 /* bits 2..0 are paddr14..12 */
/*
* R4000 family supports hardware watchpoints:
@ -311,57 +311,57 @@
#define WATCHLO_VALIDMASK 0xFFFFFFFB
#define WATCHHI_VALIDMASK 0x0000000F
// Coprocessor 0 registers
/* Coprocessor 0 registers */
#define C0_INX C_REG(0)
#define C0_RAND C_REG(1)
#define C0_ENTRYLO0 C_REG(2)
#define C0_ENTRYLO1 C_REG(3)
#define C0_CONTEXT C_REG(4)
#define C0_PAGEMASK C_REG(5) // page mask
#define C0_WIRED C_REG(6) // # wired entries in tlb
#define C0_PAGEMASK C_REG(5) /* page mask */
#define C0_WIRED C_REG(6) /* # wired entries in tlb */
#define C0_BADVADDR C_REG(8)
#define C0_COUNT C_REG(9) // free-running counter
#define C0_COUNT C_REG(9) /* free-running counter */
#define C0_ENTRYHI C_REG(10)
#define C0_COMPARE C_REG(11) // counter comparison reg.
#define C0_COMPARE C_REG(11) /* counter comparison reg. */
#define C0_SR C_REG(12)
#define C0_CAUSE C_REG(13)
#define C0_EPC C_REG(14)
#define C0_PRID C_REG(15) // revision identifier
#define C0_CONFIG C_REG(16) // hardware configuration
#define C0_LLADDR C_REG(17) // load linked address
#define C0_WATCHLO C_REG(18) // watchpoint
#define C0_WATCHHI C_REG(19) // watchpoint
#define C0_ECC C_REG(26) // S-cache ECC and primary parity
#define C0_CACHE_ERR C_REG(27) // cache error status
#define C0_TAGLO C_REG(28) // cache operations
#define C0_TAGHI C_REG(29) // cache operations
#define C0_ERROR_EPC C_REG(30) // ECC error prg. counter
#define C0_PRID C_REG(15) /* revision identifier */
#define C0_CONFIG C_REG(16) /* hardware configuration */
#define C0_LLADDR C_REG(17) /* load linked address */
#define C0_WATCHLO C_REG(18) /* watchpoint */
#define C0_WATCHHI C_REG(19) /* watchpoint */
#define C0_ECC C_REG(26) /* S-cache ECC and primary parity */
#define C0_CACHE_ERR C_REG(27) /* cache error status */
#define C0_TAGLO C_REG(28) /* cache operations */
#define C0_TAGHI C_REG(29) /* cache operations */
#define C0_ERROR_EPC C_REG(30) /* ECC error prg. counter */
// floating-point status register
/* floating-point status register */
#define C1_FPCSR C_REG(31)
#define FPCSR_FS 0x01000000 // flush denorm to zero
#define FPCSR_C 0x00800000 // condition bit
#define FPCSR_CE 0x00020000 // cause: unimplemented operation
#define FPCSR_CV 0x00010000 // cause: invalid operation
#define FPCSR_CZ 0x00008000 // cause: division by zero
#define FPCSR_CO 0x00004000 // cause: overflow
#define FPCSR_CU 0x00002000 // cause: underflow
#define FPCSR_CI 0x00001000 // cause: inexact operation
#define FPCSR_EV 0x00000800 // enable: invalid operation
#define FPCSR_EZ 0x00000400 // enable: division by zero
#define FPCSR_EO 0x00000200 // enable: overflow
#define FPCSR_EU 0x00000100 // enable: underflow
#define FPCSR_EI 0x00000080 // enable: inexact operation
#define FPCSR_FV 0x00000040 // flag: invalid operation
#define FPCSR_FZ 0x00000020 // flag: division by zero
#define FPCSR_FO 0x00000010 // flag: overflow
#define FPCSR_FU 0x00000008 // flag: underflow
#define FPCSR_FI 0x00000004 // flag: inexact operation
#define FPCSR_RM_MASK 0x00000003 // rounding mode mask
#define FPCSR_RM_RN 0x00000000 // round to nearest
#define FPCSR_RM_RZ 0x00000001 // round to zero
#define FPCSR_RM_RP 0x00000002 // round to positive infinity
#define FPCSR_RM_RM 0x00000003 // round to negative infinity
#define FPCSR_FS 0x01000000 /* flush denorm to zero */
#define FPCSR_C 0x00800000 /* condition bit */
#define FPCSR_CE 0x00020000 /* cause: unimplemented operation */
#define FPCSR_CV 0x00010000 /* cause: invalid operation */
#define FPCSR_CZ 0x00008000 /* cause: division by zero */
#define FPCSR_CO 0x00004000 /* cause: overflow */
#define FPCSR_CU 0x00002000 /* cause: underflow */
#define FPCSR_CI 0x00001000 /* cause: inexact operation */
#define FPCSR_EV 0x00000800 /* enable: invalid operation */
#define FPCSR_EZ 0x00000400 /* enable: division by zero */
#define FPCSR_EO 0x00000200 /* enable: overflow */
#define FPCSR_EU 0x00000100 /* enable: underflow */
#define FPCSR_EI 0x00000080 /* enable: inexact operation */
#define FPCSR_FV 0x00000040 /* flag: invalid operation */
#define FPCSR_FZ 0x00000020 /* flag: division by zero */
#define FPCSR_FO 0x00000010 /* flag: overflow */
#define FPCSR_FU 0x00000008 /* flag: underflow */
#define FPCSR_FI 0x00000004 /* flag: inexact operation */
#define FPCSR_RM_MASK 0x00000003 /* rounding mode mask */
#define FPCSR_RM_RN 0x00000000 /* round to nearest */
#define FPCSR_RM_RZ 0x00000001 /* round to zero */
#define FPCSR_RM_RP 0x00000002 /* round to positive infinity */
#define FPCSR_RM_RM 0x00000003 /* round to negative infinity */
#endif

91
include/ultra64/asm.h
View file

@ -6,55 +6,104 @@
#define _MIPS_ISA_MIPS2 2
#define _MIPS_ISA_MIPS3 3
#define _MIPS_ISA_MIPS4 4
#define _MIPS_SIM_ABI32 1 /* MIPS MSIG calling convention */
#define _MIPS_SIM_NABI32 2 /* MIPS new 32-bit abi */
/* NABI32 is 64bit calling convention but 32bit type sizes) */
#define _MIPS_SIM_ABI64 3 /* MIPS 64 calling convention */
#endif
#ifndef _LANGUAGE_C
#ifdef __GNUC__
#define TYPE(x, t) .type x, @t
#define SIZE(x) .size x, . - x
#else
#define TYPE(x, t)
#define SIZE(x)
#endif
#define LEAF(x) \
.balign 4 ;\
.align 2 ;\
.globl x ;\
.type x, @function ;\
TYPE(x, function) ;\
.ent x, 0 ;\
x: ;\
.ent x, 0 ;\
.frame $sp, 0, $ra
.frame sp, 0, ra
#define XLEAF(x) \
.balign 4 ;\
.align 2 ;\
.globl x ;\
.type x, @function ;\
x: ;\
.aent x, 0
TYPE(x, function) ;\
.aent x, 0 ;\
x:
#define NESTED(x, fsize, ra) \
.globl x ;\
.ent x, 0 ;\
x: ;\
.ent x, 0 ;\
.frame $sp, fsize, ra
.frame sp, fsize, ra
#define XNESTED(x) \
.globl x ;\
x: ;\
.aent x, 0
.aent x, 0 ;\
x:
#define END(x) \
.size x, . - x ;\
SIZE(x) ;\
.end x
#define IMPORT(x, size) \
.extern x, size
#define EXPORT(x) \
.globl x ;\
x:
#ifdef __sgi
#define IMPORT(sym, size) \
.extern sym, size
#else
#define IMPORT(sym, size)
#endif
#define DATA(x) \
.balign 4 ;\
.align 2 ;\
.globl x ;\
.type x, @object ;\
TYPE(x, object) ;\
x:
#define ENDDATA(x) \
.size x, . - x
SIZE(x)
#define MFC0(dst, src) \
.set noreorder; mfc0 dst, src; .set reorder
#define MTC0(dst, src) \
.set noreorder; mtc0 dst, src; .set reorder
#define CFC1(dst, src) \
.set noreorder; cfc1 dst, src; .set reorder
#define CTC1(src, dst) \
.set noreorder; ctc1 src, dst; .set reorder
#define NOP \
.set noreorder; nop; .set reorder
#define TLBWI \
.set noreorder; tlbwi; .set reorder
#define TLBR \
.set noreorder; tlbr; .set reorder
#define TLBP \
.set noreorder; tlbp; .set reorder
#ifdef __sgi
#define ABS(x, y) \
.globl x; \
x = y
#else
#define ABS(x, y) \
.globl x; \
.set x, y
#endif
#endif
@ -62,11 +111,11 @@
* Stack Alignment
*/
#if (_MIPS_SIM == _ABIO32)
#define NARGSAVE 4 // space for 4 args must be allocated
#define NARGSAVE 4 /* space for 4 args must be allocated */
#define ALSZ (8-1)
#define ALMASK ~(8-1)
#elif (_MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64)
#define NARGSAVE 0 // no caller responsibilities
#define NARGSAVE 0 /* no caller responsibilities */
#define ALSZ (16-1)
#define ALMASK ~(16-1)
#endif

8
include/ultra64/exception.h
View file

@ -1,7 +1,7 @@
#ifndef ULTRA64_EXCEPTION_H
#define ULTRA64_EXCEPTION_H
// Interrupt masks
/* Interrupt masks */
#define OS_IM_NONE 0x00000001
#define OS_IM_RCP 0x00000401
#define OS_IM_SW1 0x00000501
@ -23,7 +23,7 @@
#define RCP_IMASK 0x003F0000
#define RCP_IMASKSHIFT 16
// OSHWIntr values
/* OSHWIntr values */
#define OS_INTR_CART 1
#ifdef _LANGUAGE_C
@ -51,11 +51,11 @@ extern __osHwInt __osHwIntTable[];
#else
// __osHwInt struct member offsets
/* __osHwInt struct member offsets */
#define HWINT_CALLBACK 0x00
#define HWINT_SP 0x04
// __osHwInt struct size
/* __osHwInt struct size */
#define HWINT_SIZE 0x8
#endif

2
include/ultra64/message.h
View file

@ -47,7 +47,7 @@ typedef struct OSMesgQueue {
#else
// OSMesgQueue struct member offsets
/* OSMesgQueue struct member offsets */
#define MQ_MTQUEUE 0x00
#define MQ_FULLQUEUE 0x04

402
include/ultra64/rcp.h
View file

@ -114,13 +114,13 @@
/**
* External device info
*/
#define DEVICE_TYPE_CART 0 // ROM cartridge
#define DEVICE_TYPE_BULK 1 // ROM bulk
#define DEVICE_TYPE_64DD 2 // 64 Disk Drive
#define DEVICE_TYPE_SRAM 3 // SRAM
// 4-6 are reserved
#define DEVICE_TYPE_INIT 7 // initial value
// 8-14 are reserved
#define DEVICE_TYPE_CART 0 /* ROM cartridge */
#define DEVICE_TYPE_BULK 1 /* ROM bulk */
#define DEVICE_TYPE_64DD 2 /* 64 Disk Drive */
#define DEVICE_TYPE_SRAM 3 /* SRAM */
/* 4-6 are reserved */
#define DEVICE_TYPE_INIT 7 /* initial value */
/* 8-14 are reserved */
/**
@ -138,31 +138,31 @@
#define SP_BASE_REG 0x04040000
// SP memory address (R/W): [12] 0=DMEM,1=IMEM, [11:0] DMEM/IMEM address
/* SP memory address (R/W): [12] 0=DMEM,1=IMEM, [11:0] DMEM/IMEM address */
#define SP_MEM_ADDR_REG (SP_BASE_REG + 0x00)
// SP DRAM DMA address (R/W): [23:0] RDRAM address
/* SP DRAM DMA address (R/W): [23:0] RDRAM address */
#define SP_DRAM_ADDR_REG (SP_BASE_REG + 0x04)
// SP read DMA length (R/W): [31:20] skip, [19:12] count, [11:0] length; RDRAM -> I/DMEM
/* SP read DMA length (R/W): [31:20] skip, [19:12] count, [11:0] length; RDRAM -> I/DMEM */
#define SP_RD_LEN_REG (SP_BASE_REG + 0x08)
// SP write DMA length (R/W): [31:20] skip, [19:12] count, [11:0] length; I/DMEM -> RDRAM
/* SP write DMA length (R/W): [31:20] skip, [19:12] count, [11:0] length; I/DMEM -> RDRAM */
#define SP_WR_LEN_REG (SP_BASE_REG + 0x0C)
// SP status (R/W): [14:0] valid bits; see below for write/read mode
/* SP status (R/W): [14:0] valid bits; see below for write/read mode */
#define SP_STATUS_REG (SP_BASE_REG + 0x10)
// SP DMA full (R): [0] dma full
/* SP DMA full (R): [0] dma full */
#define SP_DMA_FULL_REG (SP_BASE_REG + 0x14)
// SP DMA busy (R): [0] dma busy
/* SP DMA busy (R): [0] dma busy */
#define SP_DMA_BUSY_REG (SP_BASE_REG + 0x18)
// SP semaphore (R/W): Read: [0] acquire semaphore; Write: [] release semaphore
/* SP semaphore (R/W): Read: [0] acquire semaphore; Write: [] release semaphore */
#define SP_SEMAPHORE_REG (SP_BASE_REG + 0x1C)
// SP PC (R/W): [11:0] program counter
/* SP PC (R/W): [11:0] program counter */
#define SP_PC_REG 0x04080000
/*
@ -174,31 +174,31 @@
/*
* SP_STATUS_REG: write bits
*/
#define SP_CLR_HALT (1 << 0) // clear halt
#define SP_SET_HALT (1 << 1) // set halt
#define SP_CLR_BROKE (1 << 2) // clear broke
#define SP_CLR_INTR (1 << 3) // clear interrupt
#define SP_SET_INTR (1 << 4) // set interrupt
#define SP_CLR_SSTEP (1 << 5) // clear sstep
#define SP_SET_SSTEP (1 << 6) // set sstep
#define SP_CLR_INTR_BREAK (1 << 7) // clear interrupt on break
#define SP_SET_INTR_BREAK (1 << 8) // set interrupt on break
#define SP_CLR_SIG0 (1 << 9) // clear signal 0
#define SP_SET_SIG0 (1 << 10) // set signal 0
#define SP_CLR_SIG1 (1 << 11) // clear signal 1
#define SP_SET_SIG1 (1 << 12) // set signal 1
#define SP_CLR_SIG2 (1 << 13) // clear signal 2
#define SP_SET_SIG2 (1 << 14) // set signal 2
#define SP_CLR_SIG3 (1 << 15) // clear signal 3
#define SP_SET_SIG3 (1 << 16) // set signal 3
#define SP_CLR_SIG4 (1 << 17) // clear signal 4
#define SP_SET_SIG4 (1 << 18) // set signal 4
#define SP_CLR_SIG5 (1 << 19) // clear signal 5
#define SP_SET_SIG5 (1 << 20) // set signal 5
#define SP_CLR_SIG6 (1 << 21) // clear signal 6
#define SP_SET_SIG6 (1 << 22) // set signal 6
#define SP_CLR_SIG7 (1 << 23) // clear signal 7
#define SP_SET_SIG7 (1 << 24) // set signal 7
#define SP_CLR_HALT (1 << 0) /* clear halt */
#define SP_SET_HALT (1 << 1) /* set halt */
#define SP_CLR_BROKE (1 << 2) /* clear broke */
#define SP_CLR_INTR (1 << 3) /* clear interrupt */
#define SP_SET_INTR (1 << 4) /* set interrupt */
#define SP_CLR_SSTEP (1 << 5) /* clear sstep */
#define SP_SET_SSTEP (1 << 6) /* set sstep */
#define SP_CLR_INTR_BREAK (1 << 7) /* clear interrupt on break */
#define SP_SET_INTR_BREAK (1 << 8) /* set interrupt on break */
#define SP_CLR_SIG0 (1 << 9) /* clear signal 0 */
#define SP_SET_SIG0 (1 << 10) /* set signal 0 */
#define SP_CLR_SIG1 (1 << 11) /* clear signal 1 */
#define SP_SET_SIG1 (1 << 12) /* set signal 1 */
#define SP_CLR_SIG2 (1 << 13) /* clear signal 2 */
#define SP_SET_SIG2 (1 << 14) /* set signal 2 */
#define SP_CLR_SIG3 (1 << 15) /* clear signal 3 */
#define SP_SET_SIG3 (1 << 16) /* set signal 3 */
#define SP_CLR_SIG4 (1 << 17) /* clear signal 4 */
#define SP_SET_SIG4 (1 << 18) /* set signal 4 */
#define SP_CLR_SIG5 (1 << 19) /* clear signal 5 */
#define SP_SET_SIG5 (1 << 20) /* set signal 5 */
#define SP_CLR_SIG6 (1 << 21) /* clear signal 6 */
#define SP_SET_SIG6 (1 << 22) /* set signal 6 */
#define SP_CLR_SIG7 (1 << 23) /* clear signal 7 */
#define SP_SET_SIG7 (1 << 24) /* set signal 7 */
/*
* SP_STATUS_REG: read bits
@ -238,22 +238,22 @@
#define SP_SET_CPUSIGNAL SP_SET_SIG4
#define SP_STATUS_CPUSIGNAL SP_STATUS_SIG4
// SP IMEM BIST REG (R/W): [6:0] BIST status bits; see below for detail
/* SP IMEM BIST REG (R/W): [6:0] BIST status bits; see below for detail */
#define SP_IBIST_REG 0x04080004
/*
* SP_IBIST_REG: write bits
*/
#define SP_IBIST_CHECK (1 << 0) // BIST check
#define SP_IBIST_GO (1 << 1) // BIST go
#define SP_IBIST_CLEAR (1 << 2) // BIST clear
#define SP_IBIST_CHECK (1 << 0) /* BIST check */
#define SP_IBIST_GO (1 << 1) /* BIST go */
#define SP_IBIST_CLEAR (1 << 2) /* BIST clear */
/*
* SP_BIST_REG: read bits
* First 2 bits are same as in write mode
*/
#define SP_IBIST_DONE (1 << 2)
#define SP_IBIST_FAILED 0x78 // bits [6:3], BIST fail
#define SP_IBIST_FAILED 0x78 /* bits [6:3], BIST fail */
/**
@ -261,28 +261,28 @@
*/
#define DPC_BASE_REG 0x04100000
// DP CMD DMA start (R/W): [23:0] DMEM/RDRAM start address
/* DP CMD DMA start (R/W): [23:0] DMEM/RDRAM start address */
#define DPC_START_REG (DPC_BASE_REG + 0x00)
// DP CMD DMA end (R/W): [23:0] DMEM/RDRAM end address
/* DP CMD DMA end (R/W): [23:0] DMEM/RDRAM end address */
#define DPC_END_REG (DPC_BASE_REG + 0x04)
// DP CMD DMA end (R): [23:0] DMEM/RDRAM current address
/* DP CMD DMA end (R): [23:0] DMEM/RDRAM current address */
#define DPC_CURRENT_REG (DPC_BASE_REG + 0x08)
// DP CMD status (R/W): [9:0] valid bits - see below for definitions
/* DP CMD status (R/W): [9:0] valid bits - see below for definitions */
#define DPC_STATUS_REG (DPC_BASE_REG + 0x0C)
// DP clock counter (R): [23:0] clock counter
/* DP clock counter (R): [23:0] clock counter */
#define DPC_CLOCK_REG (DPC_BASE_REG + 0x10)
// DP buffer busy counter (R): [23:0] clock counter
/* DP buffer busy counter (R): [23:0] clock counter */
#define DPC_BUFBUSY_REG (DPC_BASE_REG + 0x14)
// DP pipe busy counter (R): [23:0] clock counter
/* DP pipe busy counter (R): [23:0] clock counter */
#define DPC_PIPEBUSY_REG (DPC_BASE_REG + 0x18)
// DP TMEM load counter (R): [23:0] clock counter
/* DP TMEM load counter (R): [23:0] clock counter */
#define DPC_TMEM_REG (DPC_BASE_REG + 0x1C)
/*
@ -320,16 +320,16 @@
*/
#define DPS_BASE_REG 0x04200000
// DP tmem built-in self-test (R/W): [10:0] BIST status bits
/* DP tmem built-in self-test (R/W): [10:0] BIST status bits */
#define DPS_TBIST_REG (DPS_BASE_REG + 0x00)
// DP span test mode (R/W): [0] Span buffer test access enable
/* DP span test mode (R/W): [0] Span buffer test access enable */
#define DPS_TEST_MODE_REG (DPS_BASE_REG + 0x04)
// DP span buffer test address (R/W): [6:0] bits
/* DP span buffer test address (R/W): [6:0] bits */
#define DPS_BUFTEST_ADDR_REG (DPS_BASE_REG + 0x08)
// DP span buffer test data (R/W): [31:0] span buffer data
/* DP span buffer test data (R/W): [31:0] span buffer data */
#define DPS_BUFTEST_DATA_REG (DPS_BASE_REG + 0x0C)
/*
@ -344,7 +344,7 @@
* First 2 bits are same as in write mode
*/
#define DPS_TBIST_DONE (1 << 2)
#define DPS_TBIST_FAILED 0x7F8 // bits [10:3], BIST fail
#define DPS_TBIST_FAILED 0x7F8 /* bits [10:3], BIST fail */
/**
@ -352,22 +352,22 @@
*/
#define MI_BASE_REG 0x04300000
// MI init mode (W): [11] clear DP interrupt, [9/10] clear/set ebus test mode
// [8] set init mode, [7] clear init mode, [6:0] init length
// (R): [8] ebus test mode, [7] init mode, [6:0] init length
/* MI init mode (W): [11] clear DP interrupt, [9/10] clear/set ebus test mode */
/* [8] set init mode, [7] clear init mode, [6:0] init length */
/* (R): [8] ebus test mode, [7] init mode, [6:0] init length */
#define MI_INIT_MODE_REG (MI_BASE_REG + 0x00)
#define MI_MODE_REG MI_INIT_MODE_REG
/*
* MI_MODE_REG: write bits
*/
#define MI_CLR_INIT (1 << 7) // clear init mode
#define MI_SET_INIT (1 << 8) // set init mode
#define MI_CLR_EBUS (1 << 9) // clear ebus test
#define MI_SET_EBUS (1 << 10) // set ebus test mode
#define MI_CLR_DP_INTR (1 << 11) // clear dp interrupt
#define MI_CLR_RDRAM (1 << 12) // clear RDRAM reg
#define MI_SET_RDRAM (1 << 13) // set RDRAM reg mode
#define MI_CLR_INIT (1 << 7) /* clear init mode */
#define MI_SET_INIT (1 << 8) /* set init mode */
#define MI_CLR_EBUS (1 << 9) /* clear ebus test */
#define MI_SET_EBUS (1 << 10) /* set ebus test mode */
#define MI_CLR_DP_INTR (1 << 11) /* clear dp interrupt */
#define MI_CLR_RDRAM (1 << 12) /* clear RDRAM reg */
#define MI_SET_RDRAM (1 << 13) /* set RDRAM reg mode */
/*
* MI_MODE_REG: read bits
@ -376,52 +376,52 @@
#define MI_MODE_EBUS (1 << 8) /* ebus test mode */
#define MI_MODE_RDRAM (1 << 9) /* RDRAM reg mode */
// MI version (R): [31:24] rsp, [23:16] rdp, [15:8] rac, [7:0] io
/* MI version (R): [31:24] rsp, [23:16] rdp, [15:8] rac, [7:0] io */
#define MI_VERSION_REG (MI_BASE_REG + 0x04)
#define MI_NOOP_REG MI_VERSION_REG
// MI interrupt (R): [5:0] valid bits - see below for bit patterns
/* MI interrupt (R): [5:0] valid bits - see below for bit patterns */
#define MI_INTR_REG (MI_BASE_REG + 0x08)
// MI interrupt mask (R): [5:0] valid bits - see below for bit patterns
// (W): [11:0] valid bits - see below for bit patterns
/* MI interrupt mask (R): [5:0] valid bits - see below for bit patterns */
/* (W): [11:0] valid bits - see below for bit patterns */
#define MI_INTR_MASK_REG (MI_BASE_REG + 0x0C)
/*
* MI_INTR_REG: read bits
*/
#define MI_INTR_SP (1 << 0) // SP intr
#define MI_INTR_SI (1 << 1) // SI intr
#define MI_INTR_AI (1 << 2) // AI intr
#define MI_INTR_VI (1 << 3) // VI intr
#define MI_INTR_PI (1 << 4) // PI intr
#define MI_INTR_DP (1 << 5) // DP intr
#define MI_INTR_SP (1 << 0) /* SP intr */
#define MI_INTR_SI (1 << 1) /* SI intr */
#define MI_INTR_AI (1 << 2) /* AI intr */
#define MI_INTR_VI (1 << 3) /* VI intr */
#define MI_INTR_PI (1 << 4) /* PI intr */
#define MI_INTR_DP (1 << 5) /* DP intr */
/*
* MI_INTR_MASK_REG: write bits
*/
#define MI_INTR_MASK_CLR_SP (1 << 0) // clear SP mask
#define MI_INTR_MASK_SET_SP (1 << 1) // set SP mask
#define MI_INTR_MASK_CLR_SI (1 << 2) // clear SI mask
#define MI_INTR_MASK_SET_SI (1 << 3) // set SI mask
#define MI_INTR_MASK_CLR_AI (1 << 4) // clear AI mask
#define MI_INTR_MASK_SET_AI (1 << 5) // set AI mask
#define MI_INTR_MASK_CLR_VI (1 << 6) // clear VI mask
#define MI_INTR_MASK_SET_VI (1 << 7) // set VI mask
#define MI_INTR_MASK_CLR_PI (1 << 8) // clear PI mask
#define MI_INTR_MASK_SET_PI (1 << 9) // set PI mask
#define MI_INTR_MASK_CLR_DP (1 << 10) // clear DP mask
#define MI_INTR_MASK_SET_DP (1 << 11) // set DP mask
#define MI_INTR_MASK_CLR_SP (1 << 0) /* clear SP mask */
#define MI_INTR_MASK_SET_SP (1 << 1) /* set SP mask */
#define MI_INTR_MASK_CLR_SI (1 << 2) /* clear SI mask */
#define MI_INTR_MASK_SET_SI (1 << 3) /* set SI mask */
#define MI_INTR_MASK_CLR_AI (1 << 4) /* clear AI mask */
#define MI_INTR_MASK_SET_AI (1 << 5) /* set AI mask */
#define MI_INTR_MASK_CLR_VI (1 << 6) /* clear VI mask */
#define MI_INTR_MASK_SET_VI (1 << 7) /* set VI mask */
#define MI_INTR_MASK_CLR_PI (1 << 8) /* clear PI mask */
#define MI_INTR_MASK_SET_PI (1 << 9) /* set PI mask */
#define MI_INTR_MASK_CLR_DP (1 << 10) /* clear DP mask */
#define MI_INTR_MASK_SET_DP (1 << 11) /* set DP mask */
/*
* MI_INTR_MASK_REG: read bits
*/
#define MI_INTR_MASK_SP (1 << 0) // SP intr mask
#define MI_INTR_MASK_SI (1 << 1) // SI intr mask
#define MI_INTR_MASK_AI (1 << 2) // AI intr mask
#define MI_INTR_MASK_VI (1 << 3) // VI intr mask
#define MI_INTR_MASK_PI (1 << 4) // PI intr mask
#define MI_INTR_MASK_DP (1 << 5) // DP intr mask
#define MI_INTR_MASK_SP (1 << 0) /* SP intr mask */
#define MI_INTR_MASK_SI (1 << 1) /* SI intr mask */
#define MI_INTR_MASK_AI (1 << 2) /* AI intr mask */
#define MI_INTR_MASK_VI (1 << 3) /* VI intr mask */
#define MI_INTR_MASK_PI (1 << 4) /* PI intr mask */
#define MI_INTR_MASK_DP (1 << 5) /* DP intr mask */
/**
@ -454,90 +454,90 @@
#define VI_CONTROL_REG (VI_BASE_REG + 0x00)
#define VI_STATUS_REG VI_CONTROL_REG
// VI origin (R/W): [23:0] frame buffer origin in bytes
/* VI origin (R/W): [23:0] frame buffer origin in bytes */
#define VI_ORIGIN_REG (VI_BASE_REG + 0x04)
#define VI_DRAM_ADDR_REG VI_ORIGIN_REG
// VI width (R/W): [11:0] frame buffer line width in pixels
/* VI width (R/W): [11:0] frame buffer line width in pixels */
#define VI_WIDTH_REG (VI_BASE_REG + 0x08)
#define VI_H_WIDTH_REG VI_WIDTH_REG
// VI vertical intr (R/W): [9:0] interrupt when current half-line = V_INTR
/* VI vertical intr (R/W): [9:0] interrupt when current half-line = V_INTR */
#define VI_INTR_REG (VI_BASE_REG + 0x0C)
#define VI_V_INTR_REG VI_INTR_REG
// VI current vertical line (R/W): [9:0] current half line, sampled once per
// line (the lsb of V_CURRENT is constant within a field, and in interlaced
// modes gives the field number - which is constant for non-interlaced modes)
// - Any write to this register will clear interrupt line
/* VI current vertical line (R/W): [9:0] current half line, sampled once per */
/* line (the lsb of V_CURRENT is constant within a field, and in interlaced */
/* modes gives the field number - which is constant for non-interlaced modes) */
/* - Any write to this register will clear interrupt line */
#define VI_CURRENT_REG (VI_BASE_REG + 0x10)
#define VI_V_CURRENT_LINE_REG VI_CURRENT_REG
// VI video timing (R/W): [29:20] start of color burst in pixels from h-sync
// [19:16] vertical sync width in half lines,
// [15: 8] color burst width in pixels,
// [ 7: 0] horizontal sync width in pixels,
/* VI video timing (R/W): [29:20] start of color burst in pixels from h-sync */
/* [19:16] vertical sync width in half lines, */
/* [15: 8] color burst width in pixels, */
/* [ 7: 0] horizontal sync width in pixels, */
#define VI_BURST_REG (VI_BASE_REG + 0x14)
#define VI_TIMING_REG VI_BURST_REG
// VI vertical sync (R/W): [9:0] number of half-lines per field
/* VI vertical sync (R/W): [9:0] number of half-lines per field */
#define VI_V_SYNC_REG (VI_BASE_REG + 0x18)
// VI horizontal sync (R/W): [20:16] a 5-bit leap pattern used for PAL only (h_sync_period)
// [11: 0] total duration of a line in 1/4 pixel
/* VI horizontal sync (R/W): [20:16] a 5-bit leap pattern used for PAL only (h_sync_period) */
/* [11: 0] total duration of a line in 1/4 pixel */
#define VI_H_SYNC_REG (VI_BASE_REG + 0x1C)
// VI horizontal sync leap (R/W): [27:16] identical to h_sync_period
// [11: 0] identical to h_sync_period
/* VI horizontal sync leap (R/W): [27:16] identical to h_sync_period */
/* [11: 0] identical to h_sync_period */
#define VI_LEAP_REG (VI_BASE_REG + 0x20)
#define VI_H_SYNC_LEAP_REG VI_LEAP_REG
// VI horizontal video (R/W): [25:16] start of active video in screen pixels
// [ 9: 0] end of active video in screen pixels
/* VI horizontal video (R/W): [25:16] start of active video in screen pixels */
/* [ 9: 0] end of active video in screen pixels */
#define VI_H_START_REG (VI_BASE_REG + 0x24)
#define VI_H_VIDEO_REG VI_H_START_REG
// VI vertical video (R/W): [25:16] start of active video in screen half-lines
// [ 9: 0] end of active video in screen half-lines
/* VI vertical video (R/W): [25:16] start of active video in screen half-lines */
/* [ 9: 0] end of active video in screen half-lines */
#define VI_V_START_REG (VI_BASE_REG + 0x28)
#define VI_V_VIDEO_REG VI_V_START_REG
// VI vertical burst (R/W): [25:16] start of color burst enable in half-lines
// [ 9: 0] end of color burst enable in half-lines
/* VI vertical burst (R/W): [25:16] start of color burst enable in half-lines */
/* [ 9: 0] end of color burst enable in half-lines */
#define VI_V_BURST_REG (VI_BASE_REG + 0x2C)
// VI x-scale (R/W): [27:16] horizontal subpixel offset (2.10 format)
// [11: 0] 1/horizontal scale up factor (2.10 format)
/* VI x-scale (R/W): [27:16] horizontal subpixel offset (2.10 format) */
/* [11: 0] 1/horizontal scale up factor (2.10 format) */
#define VI_X_SCALE_REG (VI_BASE_REG + 0x30)
// VI y-scale (R/W): [27:16] vertical subpixel offset (2.10 format)
// [11: 0] 1/vertical scale up factor (2.10 format)
/* VI y-scale (R/W): [27:16] vertical subpixel offset (2.10 format) */
/* [11: 0] 1/vertical scale up factor (2.10 format) */
#define VI_Y_SCALE_REG (VI_BASE_REG + 0x34)
/*
* VI_CONTROL_REG: read bits
*/
#define VI_CTRL_TYPE_16 0x00002 // [1:0] pixel size: 16 bit
#define VI_CTRL_TYPE_32 0x00003 // [1:0] pixel size: 32 bit
#define VI_CTRL_GAMMA_DITHER_ON 0x00004 // 2: default = on
#define VI_CTRL_GAMMA_ON 0x00008 // 3: default = on
#define VI_CTRL_DIVOT_ON 0x00010 // 4: default = on
#define VI_CTRL_SERRATE_ON 0x00040 // 6: on if interlaced
#define VI_CTRL_ANTIALIAS_MASK 0x00300 // [9:8] anti-alias mode
#define VI_CTRL_ANTIALIAS_MODE_0 0x00000 // Bit [9:8] anti-alias mode: AA enabled, resampling enabled, always fetch extra lines
#define VI_CTRL_ANTIALIAS_MODE_1 0x00100 // Bit [9:8] anti-alias mode: AA enabled, resampling enabled, fetch extra lines as-needed
#define VI_CTRL_ANTIALIAS_MODE_2 0x00200 // Bit [9:8] anti-alias mode: AA disabled, resampling enabled, operate as if everything is covered
#define VI_CTRL_ANTIALIAS_MODE_3 0x00300 // Bit [9:8] anti-alias mode: AA disabled, resampling disabled, replicate pixels
#define VI_CTRL_PIXEL_ADV_MASK 0x0F000 // [15:12] pixel advance mode
#define VI_CTRL_PIXEL_ADV_3 0x03000 // Bit [15:12] pixel advance mode: Always 3 on N64
#define VI_CTRL_DITHER_FILTER_ON 0x10000 // 16: dither-filter mode
#define VI_CTRL_TYPE_16 0x00002 /* [1:0] pixel size: 16 bit */
#define VI_CTRL_TYPE_32 0x00003 /* [1:0] pixel size: 32 bit */
#define VI_CTRL_GAMMA_DITHER_ON 0x00004 /* 2: default = on */
#define VI_CTRL_GAMMA_ON 0x00008 /* 3: default = on */
#define VI_CTRL_DIVOT_ON 0x00010 /* 4: default = on */
#define VI_CTRL_SERRATE_ON 0x00040 /* 6: on if interlaced */
#define VI_CTRL_ANTIALIAS_MASK 0x00300 /* [9:8] anti-alias mode */
#define VI_CTRL_ANTIALIAS_MODE_0 0x00000 /* Bit [9:8] anti-alias mode: AA enabled, resampling enabled, always fetch extra lines */
#define VI_CTRL_ANTIALIAS_MODE_1 0x00100 /* Bit [9:8] anti-alias mode: AA enabled, resampling enabled, fetch extra lines as-needed */
#define VI_CTRL_ANTIALIAS_MODE_2 0x00200 /* Bit [9:8] anti-alias mode: AA disabled, resampling enabled, operate as if everything is covered */
#define VI_CTRL_ANTIALIAS_MODE_3 0x00300 /* Bit [9:8] anti-alias mode: AA disabled, resampling disabled, replicate pixels */
#define VI_CTRL_PIXEL_ADV_MASK 0x0F000 /* [15:12] pixel advance mode */
#define VI_CTRL_PIXEL_ADV(n) (((n) << 12) & VI_CTRL_PIXEL_ADV_MASK) /* Bit [15:12] pixel advance mode: Always 3 on N64 */
#define VI_CTRL_DITHER_FILTER_ON 0x10000 /* 16: dither-filter mode */
/*
* Possible video clocks (NTSC or PAL)
*/
#define VI_NTSC_CLOCK 48681812 // Hz = 48.681812 MHz
#define VI_PAL_CLOCK 49656530 // Hz = 49.656530 MHz
#define VI_MPAL_CLOCK 48628316 // Hz = 48.628316 MHz
#define VI_NTSC_CLOCK 48681812 /* Hz = 48.681812 MHz */
#define VI_PAL_CLOCK 49656530 /* Hz = 49.656530 MHz */
#define VI_MPAL_CLOCK 48628316 /* Hz = 48.628316 MHz */
/**
@ -549,25 +549,25 @@
*/
#define AI_BASE_REG 0x04500000
// AI DRAM address (W): [23:0] starting RDRAM address (8B-aligned)
/* AI DRAM address (W): [23:0] starting RDRAM address (8B-aligned) */
#define AI_DRAM_ADDR_REG (AI_BASE_REG + 0x00)
// AI length (R/W): [14:0] transfer length (v1.0) - Bottom 3 bits are ignored
// [17:0] transfer length (v2.0) - Bottom 3 bits are ignored
/* AI length (R/W): [14:0] transfer length (v1.0) - Bottom 3 bits are ignored */
/* [17:0] transfer length (v2.0) - Bottom 3 bits are ignored */
#define AI_LEN_REG (AI_BASE_REG + 0x04)
// AI control (W): [0] DMA enable - if LSB == 1, DMA is enabled
/* AI control (W): [0] DMA enable - if LSB == 1, DMA is enabled */
#define AI_CONTROL_REG (AI_BASE_REG + 0x08)
/*
* AI_CONTROL_REG: write bits
*/
#define AI_CONTROL_DMA_ON 1 // LSB = 1: DMA enable
#define AI_CONTROL_DMA_OFF 0 // LSB = 1: DMA enable
#define AI_CONTROL_DMA_ON 1 /* LSB = 1: DMA enable */
#define AI_CONTROL_DMA_OFF 0 /* LSB = 1: DMA enable */
// AI status (R): [31]/[0] ai_full (addr & len buffer full), [30] ai_busy
// Note that a 1->0 transition in ai_full will set interrupt
// (W): clear audio interrupt
/* AI status (R): [31]/[0] ai_full (addr & len buffer full), [30] ai_busy */
/* Note that a 1->0 transition in ai_full will set interrupt */
/* (W): clear audio interrupt */
#define AI_STATUS_REG (AI_BASE_REG + 0x0C)
/*
@ -576,23 +576,23 @@
#define AI_STATUS_FIFO_FULL (1 << 31)
#define AI_STATUS_DMA_BUSY (1 << 30)
// AI DAC sample period register (W): [13:0] dac rate
// - vid_clock/(dperiod + 1) is the DAC sample rate
// - (dperiod + 1) >= 66 * (aclockhp + 1) must be true
/* AI DAC sample period register (W): [13:0] dac rate */
/* - vid_clock/(dperiod + 1) is the DAC sample rate */
/* - (dperiod + 1) >= 66 * (aclockhp + 1) must be true */
#define AI_DACRATE_REG (AI_BASE_REG + 0x10)
// DAC rate = video clock / audio frequency
// - DAC rate >= (66 * Bit rate) must be true
#define AI_MAX_DAC_RATE 16384 // 14-bit+1
/* DAC rate = video clock / audio frequency */
/* - DAC rate >= (66 * Bit rate) must be true */
#define AI_MAX_DAC_RATE 16384 /* 14-bit+1 */
#define AI_MIN_DAC_RATE 132
// AI bit rate (W): [3:0] bit rate (abus clock half period register - aclockhp)
// - vid_clock/(2 * (aclockhp + 1)) is the DAC clock rate
// - The abus clock stops if aclockhp is zero
/* AI bit rate (W): [3:0] bit rate (abus clock half period register - aclockhp) */
/* - vid_clock/(2 * (aclockhp + 1)) is the DAC clock rate */
/* - The abus clock stops if aclockhp is zero */
#define AI_BITRATE_REG (AI_BASE_REG + 0x14)
// Bit rate <= (DAC rate / 66)
#define AI_MAX_BIT_RATE 16 // 4-bit+1
/* Bit rate <= (DAC rate / 66) */
#define AI_MAX_BIT_RATE 16 /* 4-bit+1 */
#define AI_MIN_BIT_RATE 2
/*
@ -600,14 +600,14 @@
* max frequency = (video clock / min dac rate)
* min frequency = (video clock / max dac rate)
*/
#define AI_NTSC_MAX_FREQ 368000 // 368 KHz
#define AI_NTSC_MIN_FREQ 3000 // 3 KHz ~ 2971 Hz
#define AI_NTSC_MAX_FREQ 368000 /* 368 KHz */
#define AI_NTSC_MIN_FREQ 3000 /* 3 KHz ~ 2971 Hz */
#define AI_PAL_MAX_FREQ 376000 // 376 KHz
#define AI_PAL_MIN_FREQ 3050 // 3 KHz ~ 3031 Hz
#define AI_PAL_MAX_FREQ 376000 /* 376 KHz */
#define AI_PAL_MIN_FREQ 3050 /* 3 KHz ~ 3031 Hz */
#define AI_MPAL_MAX_FREQ 368000 // 368 KHz
#define AI_MPAL_MIN_FREQ 3000 // 3 KHz ~ 2968 Hz
#define AI_MPAL_MAX_FREQ 368000 /* 368 KHz */
#define AI_MPAL_MIN_FREQ 3000 /* 3 KHz ~ 2968 Hz */
/**
@ -615,44 +615,44 @@
*/
#define PI_BASE_REG 0x04600000
// PI DRAM address (R/W): [23:0] starting RDRAM address
/* PI DRAM address (R/W): [23:0] starting RDRAM address */
#define PI_DRAM_ADDR_REG (PI_BASE_REG + 0x00)
// PI pbus (cartridge) address (R/W): [31:0] starting AD16 address
/* PI pbus (cartridge) address (R/W): [31:0] starting AD16 address */
#define PI_CART_ADDR_REG (PI_BASE_REG + 0x04)
// PI read length (R/W): [23:0] read data length
/* PI read length (R/W): [23:0] read data length */
#define PI_RD_LEN_REG (PI_BASE_REG + 0x08)
// PI write length (R/W): [23:0] write data length
/* PI write length (R/W): [23:0] write data length */
#define PI_WR_LEN_REG (PI_BASE_REG + 0x0C)
// PI status (R): [3] interrupt flag, [2] error, [1] IO busy, [0] DMA busy
// (W): [1] clear intr, [0] reset controller (and abort current op)
/* PI status (R): [3] interrupt flag, [2] error, [1] IO busy, [0] DMA busy */
/* (W): [1] clear intr, [0] reset controller (and abort current op) */
#define PI_STATUS_REG (PI_BASE_REG + 0x10)
// PI dom1 latency (R/W): [7:0] domain 1 device latency
/* PI dom1 latency (R/W): [7:0] domain 1 device latency */
#define PI_BSD_DOM1_LAT_REG (PI_BASE_REG + 0x14)
// PI dom1 pulse width (R/W): [7:0] domain 1 device R/W strobe pulse width
/* PI dom1 pulse width (R/W): [7:0] domain 1 device R/W strobe pulse width */
#define PI_BSD_DOM1_PWD_REG (PI_BASE_REG + 0x18)
// PI dom1 page size (R/W): [3:0] domain 1 device page size
/* PI dom1 page size (R/W): [3:0] domain 1 device page size */
#define PI_BSD_DOM1_PGS_REG (PI_BASE_REG + 0x1C)
// PI dom1 release (R/W): [1:0] domain 1 device R/W release duration
/* PI dom1 release (R/W): [1:0] domain 1 device R/W release duration */
#define PI_BSD_DOM1_RLS_REG (PI_BASE_REG + 0x20)
// PI dom2 latency (R/W): [7:0] domain 2 device latency
/* PI dom2 latency (R/W): [7:0] domain 2 device latency */
#define PI_BSD_DOM2_LAT_REG (PI_BASE_REG + 0x24)
// PI dom2 pulse width (R/W): [7:0] domain 2 device R/W strobe pulse width
/* PI dom2 pulse width (R/W): [7:0] domain 2 device R/W strobe pulse width */
#define PI_BSD_DOM2_PWD_REG (PI_BASE_REG + 0x28)
// PI dom2 page size (R/W): [3:0] domain 2 device page size
/* PI dom2 page size (R/W): [3:0] domain 2 device page size */
#define PI_BSD_DOM2_PGS_REG (PI_BASE_REG + 0x2C)
// PI dom2 release (R/W): [1:0] domain 2 device R/W release duration
/* PI dom2 release (R/W): [1:0] domain 2 device R/W release duration */
#define PI_BSD_DOM2_RLS_REG (PI_BASE_REG + 0x30)
#define PI_DOMAIN1_REG PI_BSD_DOM1_LAT_REG
@ -719,30 +719,30 @@
*/
#define RI_BASE_REG 0x04700000
// RI mode (R/W): [3] stop R active, [2] stop T active, [1:0] operating mode
/* RI mode (R/W): [3] stop R active, [2] stop T active, [1:0] operating mode */
#define RI_MODE_REG (RI_BASE_REG + 0x00)
// RI config (R/W): [6] current control enable, [5:0] current control input
/* RI config (R/W): [6] current control enable, [5:0] current control input */
#define RI_CONFIG_REG (RI_BASE_REG + 0x04)
// RI current load (W): [] any write updates current control register
/* RI current load (W): [] any write updates current control register */
#define RI_CURRENT_LOAD_REG (RI_BASE_REG + 0x08)
// RI select (R/W): [3:2] receive select, [1:0] transmit select
/* RI select (R/W): [3:2] receive select, [1:0] transmit select */
#define RI_SELECT_REG (RI_BASE_REG + 0x0C)
// RI refresh (R/W): [16] refresh bank, [17] refresh enable, [18] refresh optimize
// [7:0] clean refresh delay, [15:8] dirty refresh dela
/* RI refresh (R/W): [16] refresh bank, [17] refresh enable, [18] refresh optimize */
/* [7:0] clean refresh delay, [15:8] dirty refresh dela */
#define RI_REFRESH_REG (RI_BASE_REG + 0x10)
#define RI_COUNT_REG RI_REFRESH_REG
// RI latency (R/W): [3:0] DMA latency/overlap
/* RI latency (R/W): [3:0] DMA latency/overlap */
#define RI_LATENCY_REG (RI_BASE_REG + 0x14)
// RI error (R): [1] ack error, [0] nack error
/* RI error (R): [1] ack error, [0] nack error */
#define RI_RERROR_REG (RI_BASE_REG + 0x18)
// RI error (W): [] any write clears all error bits
/* RI error (W): [] any write clears all error bits */
#define RI_WERROR_REG (RI_BASE_REG + 0x1C)
@ -751,27 +751,27 @@
*/
#define SI_BASE_REG 0x04800000
// SI DRAM address (R/W): [23:0] starting RDRAM address
/* SI DRAM address (R/W): [23:0] starting RDRAM address */
#define SI_DRAM_ADDR_REG (SI_BASE_REG + 0x00)
// SI address read 64B (W): [] write begins a 64B DMA write PIF RAM -> RDRAM
/* SI address read 64B (W): [] write begins a 64B DMA write PIF RAM -> RDRAM */
#define SI_PIF_ADDR_RD64B_REG (SI_BASE_REG + 0x04)
// Address SI_BASE_REG + (0x08, 0x0C, 0x14) are reserved
/* Address SI_BASE_REG + (0x08, 0x0C, 0x14) are reserved */
// SI address write 64B (W): [] write begins a 64B DMA read RDRAM -> PIF RAM */
/* SI address write 64B (W): [] write begins a 64B DMA read RDRAM -> PIF RAM */
#define SI_PIF_ADDR_WR64B_REG (SI_BASE_REG + 0x10)
// SI status (R/W): [] any write clears interrupt
/* SI status (R/W): [] any write clears interrupt */
#define SI_STATUS_REG (SI_BASE_REG + 0x18)
/*
* SI_STATUS_REG: read bits
*/
#define SI_STATUS_DMA_BUSY (1 << 0) // DMA in progress
#define SI_STATUS_RD_BUSY (1 << 1) // IO access in progress
#define SI_STATUS_DMA_ERROR (1 << 3) // Overlapping DMA requests
#define SI_STATUS_INTERRUPT (1 << 12) // Interrupt is set
#define SI_STATUS_DMA_BUSY (1 << 0) /* DMA in progress */
#define SI_STATUS_RD_BUSY (1 << 1) /* IO access in progress */
#define SI_STATUS_DMA_ERROR (1 << 3) /* Overlapping DMA requests */
#define SI_STATUS_INTERRUPT (1 << 12) /* Interrupt is set */
/**
@ -780,13 +780,13 @@
#define GIO_BASE_REG 0x18000000
// Game to Host Interrupt
/* Game to Host Interrupt */
#define GIO_GIO_INTR_REG (GIO_BASE_REG+0x000)
// Game to Host SYNC
/* Game to Host SYNC */
#define GIO_GIO_SYNC_REG (GIO_BASE_REG+0x400)
// Host to Game Interrupt
/* Host to Game Interrupt */
#define GIO_CART_INTR_REG (GIO_BASE_REG+0x800)

164
include/ultra64/regdef.h Normal file
View file

@ -0,0 +1,164 @@
#ifndef REGDEF_H
#define REGDEF_H
#ifdef __GNUC__
#define _MIPS_SIM_ABI32 _ABIO32
#define _MIPS_SIM_NABI32 _ABIN32
#define _MIPS_SIM_ABI64 _ABI64
#endif
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
#define zero $0
#define AT $at
#define v0 $2
#define v1 $3
#define a0 $4
#define a1 $5
#define a2 $6
#define a3 $7
#define t0 $8
#define t1 $9
#define t2 $10
#define t3 $11
#define t4 $12
#define ta0 $12
#define t5 $13
#define ta1 $13
#define t6 $14
#define ta2 $14
#define t7 $15
#define ta3 $15
#define s0 $16
#define s1 $17
#define s2 $18
#define s3 $19
#define s4 $20
#define s5 $21
#define s6 $22
#define s7 $23
#define t8 $24
#define t9 $25
#define jp $25
#define k0 $26
#define k1 $27
#define gp $28
#define sp $29
#define fp $30
#define s8 $30
#define ra $31
#endif
#if (_MIPS_SIM == _MIPS_SIM_ABI64)
#define zero $0
#define AT $at
#define v0 $2
#define v1 $3
#define a0 $4
#define a1 $5
#define a2 $6
#define a3 $7
#define a4 $8
#define ta0 $8
#define a5 $9
#define ta1 $9
#define a6 $10
#define ta2 $10
#define a7 $11
#define ta3 $11
#define t0 $12
#define t1 $13
#define t2 $14
#define t3 $15
#define s0 $16
#define s1 $17
#define s2 $18
#define s3 $19
#define s4 $20
#define s5 $21
#define s6 $22
#define s7 $23
#define t8 $24
#define t9 $25
#define jp $25
#define k0 $26
#define k1 $27
#define gp $28
#define sp $29
#define fp $30
#define s8 $30
#define ra $31
#endif
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
#define fv0 $f0
#define fv0f $f1
#define fv1 $f2
#define fv1f $f3
#define fa0 $f12
#define fa0f $f13
#define fa1 $f14
#define fa1f $f15
#define ft0 $f4
#define ft0f $f5
#define ft1 $f6
#define ft1f $f7
#define ft2 $f8
#define ft2f $f9
#define ft3 $f10
#define ft3f $f11
#define ft4 $f16
#define ft4f $f17
#define ft5 $f18
#define ft5f $f19
#define fs0 $f20
#define fs0f $f21
#define fs1 $f22
#define fs1f $f23
#define fs2 $f24
#define fs2f $f25
#define fs3 $f26
#define fs3f $f27
#define fs4 $f28
#define fs4f $f29
#define fs5 $f30
#define fs5f $f31
#endif
#if (_MIPS_SIM == _MIPS_SIM_ABI64)
#define fv0 $f0
#define fv1 $f2
#define fa0 $f12
#define fa1 $f13
#define fa2 $f14
#define fa3 $f15
#define fa4 $f16
#define fa5 $f17
#define fa6 $f18
#define fa7 $f19
#define ft0 $f4
#define ft1 $f5
#define ft2 $f6
#define ft3 $f7
#define ft4 $f8
#define ft5 $f9
#define ft6 $f10
#define ft7 $f11
#define ft8 $f20
#define ft9 $f21
#define ft10 $f22
#define ft11 $f23
#define ft12 $f1
#define ft13 $f3
#define fs0 $f24
#define fs1 $f25
#define fs2 $f26
#define fs3 $f27
#define fs4 $f28
#define fs5 $f29
#define fs6 $f30
#define fs7 $f31
#endif
#define fcr31 $31
#endif

2
include/ultra64/thread.h
View file

@ -73,7 +73,7 @@ typedef struct __OSThreadTail {
#else
// OSThread struct member offsets
/* OSThread struct member offsets */
#define THREAD_NEXT 0x00
#define THREAD_PRI 0x04

92
src/boot/mio0.s
View file

@ -1,10 +1,7 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noreorder
.section .text
.balign 16
.text
/**
* void Mio0_Decompress(void* src, void* dst);
@ -12,53 +9,56 @@
* Decompress Mio0 chunk
*/
LEAF(Mio0_Decompress)
lw $a3, 8($a0) // compressed offset
lw $t9, 0xC($a0) // uncompressed offset
lw $t8, 4($a0) // decompressed length
add $a3, $a3, $a0 // compressed start
add $t9, $t9, $a0 // uncompressed start
move $a2, $zero // 0
addi $a0, $a0, 0x10 // move past header
add $t8, $t8, $a1 // dst + decompressed length = end
lw a3, 0x08(a0) /* compressed offset */
lw t9, 0x0C(a0) /* uncompressed offset */
lw t8, 0x04(a0) /* decompressed length */
add a3, a3, a0 /* compressed start */
add t9, t9, a0 /* uncompressed start */
move a2, zero /* 0 */
addi a0, a0, 0x10 /* move past header */
add t8, t8, a1 /* dst + decompressed length = end */
mainloop:
bnez $a2, 1f
nop
lw $t0, ($a0)
li $a2, 32
addi $a0, $a0, 4
bnez a2, 1f
lw t0, (a0)
li a2, 32
addi a0, a0, 4
1:
slt $t1, $t0, $zero
beqz $t1, read_comp
nop
lb $t2, ($t9) // read 1 byte from uncompressed data
addi $t9, $t9, 1 // advance uncompressed start
addi $a1, $a1, 1
slt t1, t0, zero
beqz t1, read_comp
lb t2, (t9) /* read 1 byte from uncompressed data */
sb t2, (a1) /* store uncompressed byte */
addi t9, t9, 1 /* advance uncompressed start */
addi a1, a1, 1
b next_iter
sb $t2, -1($a1) // store uncompressed byte
read_comp:
lhu $t2, ($a3) // read 2 bytes from compressed data
addi $a3, $a3, 2 // advance compressed start
srl $t3, $t2, 0xC
andi $t2, $t2, 0xFFF
beqz $t3, 3f
sub $t1, $a1, $t2
addi $t3, $t3, 2
lhu t2, (a3) /* read 2 bytes from compressed data */
addi a3, a3, 2 /* advance compressed start */
srl t3, t2, 0xC
andi t2, t2, 0xFFF
sub t1, a1, t2
beqz t3, 3f
addi t3, t3, 2
2:
lb $t2, -1($t1)
addi $t3, $t3, -1
addi $t1, $t1, 1
addi $a1, $a1, 1
bnez $t3, 2b
sb $t2, -1($a1)
lb t2, -1(t1)
addi t3, t3, -1
addi t1, t1, 1
sb t2, (a1)
addi a1, a1, 1
bnez t3, 2b
next_iter:
sll $t0, $t0, 1
bne $a1, $t8, mainloop // continue until decompressed length is reached
addi $a2, $a2, -1
jr $ra
nop
sll t0, t0, 1
addi a2, a2, -1
bne a1, t8, mainloop /* continue until decompressed length is reached */
jr ra
3:
lbu $t3, ($t9)
addi $t9, $t9, 1
lbu t3, (t9)
addi t9, t9, 1
addi t3, t3, 0x12
b 2b
addi $t3, $t3, 0x12
END(Mio0_Decompress)

125
src/code/kanread.s
View file

@ -1,11 +1,7 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* s32 Kanji_OffsetFromShiftJIS(s32 sjis);
@ -26,64 +22,57 @@
* @remark Almost identical to "LeoGetKadr" from libleo.
*/
LEAF(Kanji_OffsetFromShiftJIS)
// Characters with codepoints >= 0x8800 are kanji. Arrangement is regular,
// so convert index directly.
li $at, 0x8800
slt $at, $a0, $at
bnez $at, .nonkanji
// 0xBC is number of glyphs in one block in the `kanji` file:
// 0x100 possible codepoints with the same byte1
// - 0x40 unused at beginning
// - 1 unused at 0x7F
// - 3 unused at 0xFD, 0xFE, 0xFF
li $a2, 0xBC
// Get byte1 and adjust so starts at 0
srl $a1, $a0, 8
addi $a1, $a1, -0x88
multu $a2, $a1
// Get byte2 and adjust so starts at 0
andi $a3, $a0, 0xFF
addi $a3, $a3, -0x40
slti $at, $a3, (0x80 - 0x40)
mflo $a2
// 0x__7F is always empty and elided in the file, so decrement if larger
bnezl $at, .kanji_lower_halfblock
mflo $a2
addi $a3, $a3, -1
mflo $a2
.kanji_lower_halfblock:
addi $a3, $a3, 0x30A
add $a3, $a3, $a2
jr $ra
sll $v0, $a3, 7
// returns (0x30A + (adjusted byte2) + (adjusted byte1) * 0xBC) * FONT_CHAR_TEX_SIZE
/* Characters with codepoints >= 0x8800 are kanji. Arrangement is regular, */
/* so convert index directly. */
li a2, 0xBC
blt a0, 0x8800, .nonkanji
/* 0xBC is number of glyphs in one block in the `kanji` file: */
/* 0x100 possible codepoints with the same byte1 */
/* - 0x40 unused at beginning */
/* - 1 unused at 0x7F */
/* - 3 unused at 0xFD, 0xFE, 0xFF */
/* Get byte1 and adjust so starts at 0 */
srl a1, a0, 8
addi a1, a1, -0x88
/* Get byte2 and adjust so starts at 0 */
andi a3, a0, 0xFF
addi a3, a3, -0x40
mul a2, a2, a1
blt a3, 0x40, .kanji_lower_halfblock
// Non-kanji are arranged with irregular gaps, use the lookup table.
/* 0x__7F is always empty and elided in the file, so decrement if larger */
addi a3, a3, -1
.kanji_lower_halfblock:
mflo a2 /* Unncessary mflo: the pseudo-op `mul` already performs mflo */
addi a3, a3, 0x30A
add a3, a3, a2
/* returns (0x30A + (adjusted byte2) + (adjusted byte1) * 0xBC) * FONT_CHAR_TEX_SIZE */
sll v0, a3, 7
jr ra
/* Non-kanji are arranged with irregular gaps, use the lookup table. */
.nonkanji:
// Get byte1 and adjust so starts at 0
srl $a1, $a0, 8
addi $a1, $a1, -0x81
multu $a2, $a1
// Get byte2 and adjust so starts at 0
andi $a3, $a0, 0xFF
addi $a3, $a3, -0x40
slti $at, $a3, (0x80 - 0x40)
mflo $a2
// 0x__7F is always empty and elided in the file, so decrement if larger
bnezl $at, .nonkanji_lower_halfblock
mflo $a2
addi $a3, $a3, -1
mflo $a2
/* Get byte1 and adjust so starts at 0 */
srl a1, a0, 8
addi a1, a1, -0x81
/* Get byte2 and adjust so starts at 0 */
andi a3, a0, 0xFF
addi a3, a3, -0x40
mul a2, a2, a1
blt a3, 0x40, .nonkanji_lower_halfblock
/* 0x__7F is always empty and elided in the file, so decrement if larger */
addi a3, a3, -1
.nonkanji_lower_halfblock:
add $a3, $a3, $a2
lui $a2, %hi(sNonKanjiIndices)
sll $a3, $a3, 1
addiu $a2, %lo(sNonKanjiIndices)
add $a3, $a3, $a2
lh $a2, ($a3)
jr $ra
sll $v0, $a2, 7
// returns sNonKanjiIndices[(adjusted byte2) + (adjusted byte1) * 0xBC] * FONT_CHAR_TEX_SIZE
mflo a2 /* Unncessary mflo: the pseudo-op `mul` already performs mflo */
add a3, a3, a2
sll a3, a3, 1
la a2, sNonKanjiIndices
add a3, a3, a2
lh a2, (a3)
/* returns sNonKanjiIndices[(adjusted byte2) + (adjusted byte1) * 0xBC] * FONT_CHAR_TEX_SIZE */
sll v0, a2, 7
jr ra
END(Kanji_OffsetFromShiftJIS)
/**
@ -116,7 +105,7 @@ END(Kanji_OffsetFromShiftJIS)
* into blocks by high byte.
*/
DATA(sNonKanjiIndices)
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x814_ */ .half 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F
/* 0x815_ */ .half 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F
/* 0x816_ */ .half 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F
@ -130,7 +119,7 @@ DATA(sNonKanjiIndices)
/* 0x81E_ */ .half 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x81F_ */ .half 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F, 0x0090, 0x0000, 0x0000, 0x0000, 0x0000, 0x0091
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x824_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0092
/* 0x825_ */ .half 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009A, 0x009B, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x826_ */ .half 0x009C, 0x009D, 0x009E, 0x009F, 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x00AA, 0x00AB
@ -144,7 +133,7 @@ DATA(sNonKanjiIndices)
/* 0x82E_ */ .half 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116, 0x0117, 0x0118, 0x0119, 0x011A, 0x011B, 0x011C, 0x011D, 0x011E, 0x011F, 0x0120
/* 0x82F_ */ .half 0x0121, 0x0122, 0x0123, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x834_ */ .half 0x0124, 0x0125, 0x0126, 0x0127, 0x0128, 0x0129, 0x012A, 0x012B, 0x012C, 0x012D, 0x012E, 0x012F, 0x0130, 0x0131, 0x0132, 0x0133
/* 0x835_ */ .half 0x0134, 0x0135, 0x0136, 0x0137, 0x0138, 0x0139, 0x013A, 0x013B, 0x013C, 0x013D, 0x013E, 0x013F, 0x0140, 0x0141, 0x0142, 0x0143
/* 0x836_ */ .half 0x0144, 0x0145, 0x0146, 0x0147, 0x0148, 0x0149, 0x014A, 0x014B, 0x014C, 0x014D, 0x014E, 0x014F, 0x0150, 0x0151, 0x0152, 0x0153
@ -158,7 +147,7 @@ DATA(sNonKanjiIndices)
/* 0x83E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x83F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x844_ */ .half 0x01AB, 0x01AC, 0x01AD, 0x01AE, 0x01AF, 0x01B0, 0x01B1, 0x01B2, 0x01B3, 0x01B4, 0x01B5, 0x01B6, 0x01B7, 0x01B8, 0x01B9, 0x01BA
/* 0x845_ */ .half 0x01BB, 0x01BC, 0x01BD, 0x01BE, 0x01BF, 0x01C0, 0x01C1, 0x01C2, 0x01C3, 0x01C4, 0x01C5, 0x01C6, 0x01C7, 0x01C8, 0x01C9, 0x01CA
/* 0x846_ */ .half 0x01CB, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
@ -172,7 +161,7 @@ DATA(sNonKanjiIndices)
/* 0x84E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x84F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x854_ */ .half 0x020E, 0x020F, 0x0210, 0x0211, 0x0212, 0x0213, 0x0214, 0x0215, 0x0216, 0x0217, 0x0218, 0x0219, 0x021A, 0x021B, 0x021C, 0x021D
/* 0x855_ */ .half 0x021E, 0x021F, 0x0220, 0x0221, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0222, 0x0223
/* 0x856_ */ .half 0x0224, 0x0225, 0x0226, 0x0227, 0x0228, 0x0229, 0x022A, 0x022B, 0x022C, 0x022D, 0x022E, 0x022F, 0x0230, 0x0231, 0x0232, 0x0233
@ -186,7 +175,7 @@ DATA(sNonKanjiIndices)
/* 0x85E_ */ .half 0x026C, 0x026D, 0x026E, 0x026F, 0x0270, 0x0271, 0x0272, 0x0273, 0x0274, 0x0275, 0x0276, 0x0277, 0x0278, 0x0279, 0x027A, 0x027B
/* 0x85F_ */ .half 0x027C, 0x027D, 0x027E, 0x027F, 0x0280, 0x0281, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x864_ */ .half 0x0282, 0x0283, 0x0284, 0x0285, 0x0286, 0x0287, 0x0288, 0x0289, 0x028A, 0x028B, 0x028C, 0x028D, 0x028E, 0x028F, 0x0290, 0x0291
/* 0x865_ */ .half 0x0292, 0x0293, 0x0294, 0x0295, 0x0296, 0x0297, 0x0298, 0x0299, 0x029A, 0x029B, 0x029C, 0x029D, 0x029E, 0x029F, 0x0000, 0x0000
/* 0x866_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
@ -200,7 +189,7 @@ DATA(sNonKanjiIndices)
/* 0x86E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x86F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x874_ */ .half 0x02C0, 0x02C1, 0x02C2, 0x02C3, 0x02C4, 0x02C5, 0x02C6, 0x02C7, 0x02C8, 0x02C9, 0x02CA, 0x02CB, 0x02CC, 0x02CD, 0x02CE, 0x02CF
/* 0x875_ */ .half 0x02D0, 0x02D1, 0x02D2, 0x02D3, 0x02D4, 0x02D5, 0x02D6, 0x02D7, 0x02D8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x876_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000

2
src/code/z_vimode.c
View file

@ -86,7 +86,7 @@ void ViMode_Configure(ViMode* viMode, s32 type, s32 tvType, s32 loRes, s32 antia
yScaleHiOddField = modeF ? (loResInterlaced ? (F210(0.75) << 16) : (F210(0.5) << 16)) : 0;
viMode->customViMode.type = type;
viMode->customViMode.comRegs.ctrl = VI_CTRL_PIXEL_ADV_3 | VI_CTRL_GAMMA_ON | VI_CTRL_GAMMA_DITHER_ON |
viMode->customViMode.comRegs.ctrl = VI_CTRL_PIXEL_ADV(3) | VI_CTRL_GAMMA_ON | VI_CTRL_GAMMA_DITHER_ON |
(!loResDeinterlaced ? VI_CTRL_SERRATE_ON : 0) |
(antialiasOn ? VI_CTRL_DIVOT_ON : 0) |
(fb32Bit ? VI_CTRL_TYPE_32 : VI_CTRL_TYPE_16);

14
src/libc/absf.s
View file

@ -1,15 +1,9 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#if DEBUG_FEATURES
.set noreorder
#endif
.section .text
.balign 16
.text
LEAF(absf)
abs.s $f0, $f12
jr $ra
nop
abs.s fv0, fa0
jr ra
END(absf)

14
src/libc/sqrt.s
View file

@ -1,15 +1,9 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#if DEBUG_FEATURES
.set noreorder
#endif
.section .text
.balign 16
.text
LEAF(sqrt)
sqrt.d $f0, $f12
jr $ra
nop
sqrt.d fv0, fa0
jr ra
END(sqrt)

163
src/libc64/fp.s
View file

@ -1,12 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noreorder
.section .data
.balign 16
.data
#if !PLATFORM_N64
DATA(gPositiveInfinity)
.word 0x7F800000
ENDDATA(gPositiveInfinity)
@ -34,150 +32,135 @@ ENDDATA(qNaN0x10000)
DATA(sNaN0x3FFFFF)
.word 0x7FFFFFFF
ENDDATA(sNaN0x3FFFFF)
#endif
.section .text
.balign 16
.text
LEAF(floorf)
floor.w.s $f12, $f12
jr $ra
cvt.s.w $f0, $f12
floor.w.s fa0, fa0
cvt.s.w fv0, fa0
jr ra
END(floorf)
LEAF(floor)
floor.w.d $f12, $f12
jr $ra
cvt.d.w $f0, $f12
floor.w.d fa0, fa0
cvt.d.w fv0, fa0
jr ra
END(floor)
LEAF(lfloorf)
floor.w.s $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
floor.w.s ft0, fa0
mfc1 v0, ft0
jr ra
END(lfloorf)
LEAF(lfloor)
floor.w.d $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
floor.w.d ft0, fa0
mfc1 v0, ft0
jr ra
END(lfloor)
LEAF(ceilf)
ceil.w.s $f12, $f12
jr $ra
cvt.s.w $f0, $f12
ceil.w.s fa0, fa0
cvt.s.w fv0, fa0
jr ra
END(ceilf)
LEAF(ceil)
ceil.w.d $f12, $f12
jr $ra
cvt.d.w $f0, $f12
ceil.w.d fa0, fa0
cvt.d.w fv0, fa0
jr ra
END(ceil)
LEAF(lceilf)
ceil.w.s $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
ceil.w.s ft0, fa0
mfc1 v0, ft0
jr ra
END(lceilf)
LEAF(lceil)
ceil.w.d $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
ceil.w.d ft0, fa0
mfc1 v0, ft0
jr ra
END(lceil)
LEAF(truncf)
trunc.w.s $f12, $f12
jr $ra
cvt.s.w $f0, $f12
trunc.w.s fa0, fa0
cvt.s.w fv0, fa0
jr ra
END(truncf)
LEAF(trunc)
trunc.w.d $f12, $f12
jr $ra
cvt.d.w $f0, $f12
trunc.w.d fa0, fa0
cvt.d.w fv0, fa0
jr ra
END(trunc)
LEAF(ltruncf)
trunc.w.s $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
trunc.w.s ft0, fa0
mfc1 v0, ft0
jr ra
END(ltruncf)
LEAF(ltrunc)
trunc.w.d $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
trunc.w.d ft0, fa0
mfc1 v0, ft0
jr ra
END(ltrunc)
LEAF(nearbyintf)
round.w.s $f12, $f12
jr $ra
cvt.s.w $f0, $f12
round.w.s fa0, fa0
cvt.s.w fv0, fa0
jr ra
END(nearbyintf)
LEAF(nearbyint)
round.w.d $f12, $f12
jr $ra
cvt.d.w $f0, $f12
round.w.d fa0, fa0
cvt.d.w fv0, fa0
jr ra
END(nearbyint)
LEAF(lnearbyintf)
round.w.s $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
round.w.s ft0, fa0
mfc1 v0, ft0
jr ra
END(lnearbyintf)
LEAF(lnearbyint)
round.w.d $f4, $f12
mfc1 $v0, $f4
jr $ra
nop
round.w.d ft0, fa0
mfc1 v0, ft0
jr ra
END(lnearbyint)
LEAF(roundf)
li.s $f4, 0.5
nop
add.s $f0, $f12, $f4
floor.w.s $f0, $f0
jr $ra
cvt.s.w $f0, $f0
li.s ft0, 0.5
add.s fv0, fa0, ft0
floor.w.s fv0, fv0
cvt.s.w fv0, fv0
jr ra
END(roundf)
LEAF(round)
li.d $f4, 0.5
nop
add.d $f0, $f12, $f4
floor.w.d $f0, $f0
jr $ra
cvt.d.w $f0, $f0
li.d ft0, 0.5
add.d fv0, fa0, ft0
floor.w.d fv0, fv0
cvt.d.w fv0, fv0
jr ra
END(round)
LEAF(lroundf)
li.s $f4, 0.5
nop
add.s $f0, $f12, $f4
floor.w.s $f0, $f0
mfc1 $v0, $f0
jr $ra
nop
li.s ft0, 0.5
add.s fv0, fa0, ft0
floor.w.s fv0, fv0
mfc1 v0, fv0
jr ra
END(lroundf)
LEAF(lround)
li.d $f4, 0.5
nop
add.d $f0, $f12, $f4
floor.w.d $f0, $f0
mfc1 $v0, $f0
jr $ra
nop
li.d ft0, 0.5
add.d fv0, fa0, ft0
floor.w.d fv0, fv0
mfc1 v0, fv0
jr ra
END(lround)

59
src/libleo/api/getaadr.s
View file

@ -1,42 +1,33 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(LeoGetAAdr)
bltz $a0, .out_of_range
slti $at, $a0, 0x908
beqz $at, .out_of_range
nop
lui $v1, %hi(asc2tbl)
sll $t0, $a0, 2
addiu $v1, %lo(asc2tbl)
add $t1, $t0, $v1
lbu $t8, 2($t1)
lhu $t9, 0($t1)
li $at, 0x70000
andi $t2, $t8, 0xF
addi $t3, $t2, 1
sw $t3, ($a2)
lb $t0, 3($t1)
srl $t4, $t8, 4
ori $at, $at, 0xEE80
andi $t5, $t0, 1
sll $t6, $t5, 4
or $t7, $t6, $t4
sw $t7, ($a1)
sll $v0, $t9, 1
sra $v1, $t0, 1
sw $v1, ($a3)
jr $ra
add $v0, $v0, $at
bltz a0, .out_of_range
bge a0, 0x908, .out_of_range
sll t0, a0, 2
la v1, asc2tbl
add t1, t0, v1
lbu t8, 2(t1)
lhu t9, 0(t1)
andi t2, t8, 0xF
addi t3, t2, 1
sw t3, (a2)
lb t0, 3(t1)
srl t4, t8, 4
andi t5, t0, 1
sll t6, t5, 4
or t7, t6, t4
sw t7, (a1)
sll v0, t9, 1
sra v1, t0, 1
sw v1, (a3)
add v0, v0, 0x7EE80
jr ra
.out_of_range:
jr $ra
li $v0, -1
li v0, -1
jr ra
END(LeoGetAAdr)
DATA(asc2tbl)

48
src/libleo/api/getaadr2.s
View file

@ -1,33 +1,25 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(LeoGetAAdr2)
li $at, 0x10000
srl $t8, $a0, 0xF
ori $at, $at, 0xFFFE
and $v1, $t8, $at
li $at, 0x70000
ori $at, $at, 0xEE80
srl $t2, $a0, 0x8
add $v0, $v1, $at
andi $t3, $t2, 0xF
andi $t5, $a0, 0xFE
addi $t4, $t3, 1
sll $t6, $t5, 0x18
andi $t9, $a0, 0x1
srl $v1, $a0, 0xC
sw $t4, ($a2)
sra $t7, $t6, 0x19
sll $t8, $t9, 0x4
andi $t1, $v1, 0xF
sw $t7, ($a3)
or $t2, $t1, $t8
jr $ra
sw $t2, ($a1)
srl t8, a0, 15
and v1, t8, 0x1FFFE
add v0, v1, 0x7EE80
srl t2, a0, 8
andi t3, t2, 0xF
andi t5, a0, 0xFE
addi t4, t3, 1
sll t6, t5, 24
andi t9, a0, 1
srl v1, a0, 12
sw t4, (a2)
sra t7, t6, 25
sll t8, t9, 4
andi t1, v1, 0xF
sw t7, (a3)
or t2, t1, t8
sw t2, (a1)
jr ra
END(LeoGetAAdr2)

135
src/libleo/api/getkadr.s
View file

@ -1,11 +1,7 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* int LeoGetKAdr(int sjis);
@ -22,74 +18,61 @@
* @return int Storage offset address into the N64 Disk Drive mask ROM.
*/
LEAF(LeoGetKAdr)
// Check if the codepoint is in the range 0x8140 to 0x9872.
li $at, 0x8140
slt $at, $a0, $at
bnez $at, .out_of_range
li $at, 0x9873
slt $at, $a0, $at
beqz $at, .out_of_range
// Characters with codepoints >= 0x8800 are kanji. Arrangement is regular,
// so convert index directly.
li $at, 0x8800
slt $at, $a0, $at
bnez $at, .nonkanji
// 0xBC is number of glyphs in one block in the `kanji` file:
// 0x100 possible codepoints with the same byte1
// - 0x40 unused at beginning
// - 1 unused at 0x7F
// - 3 unused at 0xFD, 0xFE, 0xFF
li $a2, 0xBC
// Get byte1 and adjust so starts at 0
srl $a1, $a0, 8
addi $a1, $a1, -0x88
multu $a2, $a1
// Get byte2 and adjust so starts at 0
andi $a3, $a0, 0xFF
addi $a3, $a3, -0x40
slti $at, $a3, (0x80 - 0x40)
mflo $a2
// 0x__7F is always empty and elided in the file, so decrement if larger
bnezl $at, .kanji_lower_halfblock
mflo $a2
addi $a3, $a3, -1
mflo $a2
/* Check if the codepoint is in the range 0x8140 to 0x9872. */
blt a0, 0x8140, .out_of_range
bge a0, 0x9873, .out_of_range
/* Characters with codepoints >= 0x8800 are kanji. Arrangement is regular,
* so convert index directly. */
li a2, 0xBC
blt a0, 0x8800, .nonkanji
/* 0xBC is number of glyphs in one block in the `kanji` file:
* 0x100 possible codepoints with the same byte1
* - 0x40 unused at beginning
* - 1 unused at 0x7F
* - 3 unused at 0xFD, 0xFE, 0xFF */
/* Get byte1 and adjust so starts at 0 */
srl a1, a0, 8
addi a1, a1, -0x88
mul a2, a2, a1
/* Get byte2 and adjust so starts at 0 */
andi a3, a0, 0xFF
addi a3, a3, -0x40
/* 0x__7F is always empty and elided in the file, so decrement if larger */
blt a3, 0x40, .kanji_lower_halfblock
addi a3, a3, -1
.kanji_lower_halfblock:
addi $a3, $a3, 0x30A
add $a3, $a3, $a2
jr $ra
sll $v0, $a3, 7
// returns (0x30A + (adjusted byte2) + (adjusted byte1) * 0xBC) * FONT_CHAR_TEX_SIZE
mflo a2
addi a3, a3, 0x30A
add a3, a3, a2
sll v0, a3, 7
jr ra
/* returns (0x30A + (adjusted byte2) + (adjusted byte1) * 0xBC) * FONT_CHAR_TEX_SIZE */
// Non-kanji are arranged with irregular gaps, use the lookup table.
/* Non-kanji are arranged with irregular gaps, use the lookup table. */
.nonkanji:
// Get byte1 and adjust so starts at 0
srl $a1, $a0, 8
addi $a1, $a1, -0x81
multu $a2, $a1
// Get byte2 and adjust so starts at 0
andi $a3, $a0, 0xFF
addi $a3, $a3, -0x40
slti $at, $a3, (0x80 - 0x40)
mflo $a2
// 0x__7F is always empty and elided in the file, so decrement if larger
bnezl $at, .nonkanji_lower_halfblock
mflo $a2
addi $a3, $a3, -1
mflo $a2
/* Get byte1 and adjust so starts at 0 */
srl a1, a0, 8
addi a1, a1, -0x81
mul a2, a2, a1
/* Get byte2 and adjust so starts at 0 */
andi a3, a0, 0xFF
addi a3, a3, -0x40
/* 0x__7F is always empty and elided in the file, so decrement if larger */
blt a3, 0x40, .nonkanji_lower_halfblock
addi a3, a3, -1
.nonkanji_lower_halfblock:
add $a3, $a3, $a2
lui $a2, %hi(kantbl)
sll $a3, $a3, 1
addiu $a2, %lo(kantbl)
add $a3, $a3, $a2
lh $a2, ($a3)
jr $ra
sll $v0, $a2, 7
// returns kantbl[(adjusted byte2) + (adjusted byte1) * 0xBC] * FONT_CHAR_TEX_SIZE
mflo a2
add a3, a3, a2
sll a3, a3, 1
la a2, kantbl
add a3, a3, a2
lh a2, (a3)
sll v0, a2, 7
jr ra
/* returns kantbl[(adjusted byte2) + (adjusted byte1) * 0xBC] * FONT_CHAR_TEX_SIZE */
.out_of_range:
jr $ra
li $v0, -1
li v0, -1
jr ra
END(LeoGetKAdr)
/**
@ -129,7 +112,7 @@ END(LeoGetKAdr)
* into blocks by high byte.
*/
DATA(kantbl)
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x814_ */ .half 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F
/* 0x815_ */ .half 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F
/* 0x816_ */ .half 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F
@ -143,7 +126,7 @@ DATA(kantbl)
/* 0x81E_ */ .half 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x81F_ */ .half 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F, 0x0090, 0x0000, 0x0000, 0x0000, 0x0000, 0x0091
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x824_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0092
/* 0x825_ */ .half 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009A, 0x009B, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x826_ */ .half 0x009C, 0x009D, 0x009E, 0x009F, 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x00AA, 0x00AB
@ -157,7 +140,7 @@ DATA(kantbl)
/* 0x82E_ */ .half 0x0111, 0x0112, 0x0113, 0x0114, 0x0115, 0x0116, 0x0117, 0x0118, 0x0119, 0x011A, 0x011B, 0x011C, 0x011D, 0x011E, 0x011F, 0x0120
/* 0x82F_ */ .half 0x0121, 0x0122, 0x0123, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x834_ */ .half 0x0124, 0x0125, 0x0126, 0x0127, 0x0128, 0x0129, 0x012A, 0x012B, 0x012C, 0x012D, 0x012E, 0x012F, 0x0130, 0x0131, 0x0132, 0x0133
/* 0x835_ */ .half 0x0134, 0x0135, 0x0136, 0x0137, 0x0138, 0x0139, 0x013A, 0x013B, 0x013C, 0x013D, 0x013E, 0x013F, 0x0140, 0x0141, 0x0142, 0x0143
/* 0x836_ */ .half 0x0144, 0x0145, 0x0146, 0x0147, 0x0148, 0x0149, 0x014A, 0x014B, 0x014C, 0x014D, 0x014E, 0x014F, 0x0150, 0x0151, 0x0152, 0x0153
@ -171,7 +154,7 @@ DATA(kantbl)
/* 0x83E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x83F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x844_ */ .half 0x01AB, 0x01AC, 0x01AD, 0x01AE, 0x01AF, 0x01B0, 0x01B1, 0x01B2, 0x01B3, 0x01B4, 0x01B5, 0x01B6, 0x01B7, 0x01B8, 0x01B9, 0x01BA
/* 0x845_ */ .half 0x01BB, 0x01BC, 0x01BD, 0x01BE, 0x01BF, 0x01C0, 0x01C1, 0x01C2, 0x01C3, 0x01C4, 0x01C5, 0x01C6, 0x01C7, 0x01C8, 0x01C9, 0x01CA
/* 0x846_ */ .half 0x01CB, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
@ -185,7 +168,7 @@ DATA(kantbl)
/* 0x84E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x84F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x854_ */ .half 0x020E, 0x020F, 0x0210, 0x0211, 0x0212, 0x0213, 0x0214, 0x0215, 0x0216, 0x0217, 0x0218, 0x0219, 0x021A, 0x021B, 0x021C, 0x021D
/* 0x855_ */ .half 0x021E, 0x021F, 0x0220, 0x0221, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0222, 0x0223
/* 0x856_ */ .half 0x0224, 0x0225, 0x0226, 0x0227, 0x0228, 0x0229, 0x022A, 0x022B, 0x022C, 0x022D, 0x022E, 0x022F, 0x0230, 0x0231, 0x0232, 0x0233
@ -199,7 +182,7 @@ DATA(kantbl)
/* 0x85E_ */ .half 0x026C, 0x026D, 0x026E, 0x026F, 0x0270, 0x0271, 0x0272, 0x0273, 0x0274, 0x0275, 0x0276, 0x0277, 0x0278, 0x0279, 0x027A, 0x027B
/* 0x85F_ */ .half 0x027C, 0x027D, 0x027E, 0x027F, 0x0280, 0x0281, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x864_ */ .half 0x0282, 0x0283, 0x0284, 0x0285, 0x0286, 0x0287, 0x0288, 0x0289, 0x028A, 0x028B, 0x028C, 0x028D, 0x028E, 0x028F, 0x0290, 0x0291
/* 0x865_ */ .half 0x0292, 0x0293, 0x0294, 0x0295, 0x0296, 0x0297, 0x0298, 0x0299, 0x029A, 0x029B, 0x029C, 0x029D, 0x029E, 0x029F, 0x0000, 0x0000
/* 0x866_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
@ -213,7 +196,7 @@ DATA(kantbl)
/* 0x86E_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x86F_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
// 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F
/* 0x___0 0x___1 0x___2 0x___3 0x___4 0x___5 0x___6 0x___7 0x___8 0x___9 0x___A 0x___B 0x___C 0x___D 0x___E 0x___F */
/* 0x874_ */ .half 0x02C0, 0x02C1, 0x02C2, 0x02C3, 0x02C4, 0x02C5, 0x02C6, 0x02C7, 0x02C8, 0x02C9, 0x02CA, 0x02CB, 0x02CC, 0x02CD, 0x02CE, 0x02CF
/* 0x875_ */ .half 0x02D0, 0x02D1, 0x02D2, 0x02D3, 0x02D4, 0x02D5, 0x02D6, 0x02D7, 0x02D8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
/* 0x876_ */ .half 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000

4
src/libultra/gu/libm_vals.s
View file

@ -1,8 +1,6 @@
#include "ultra64/asm.h"
.section .rodata
.balign 16
.rdata
DATA(__libm_qnan_f)
.word 0x7F810000

18
src/libultra/io/vimodefpallan1.c
View file

@ -16,15 +16,15 @@ OSViMode osViModeFpalLan1 = {
{
// comRegs
VI_CTRL_TYPE_16 | VI_CTRL_GAMMA_DITHER_ON | VI_CTRL_GAMMA_ON | VI_CTRL_DIVOT_ON | VI_CTRL_ANTIALIAS_MODE_1 |
VI_CTRL_PIXEL_ADV_3, // ctrl
WIDTH(320), // width
BURST(58, 30, 4, 69), // burst
VSYNC(625), // vSync
HSYNC(3177, 23), // hSync
LEAP(3183, 3181), // leap
HSTART(128, 768), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
VI_CTRL_PIXEL_ADV(3), // ctrl
WIDTH(320), // width
BURST(58, 30, 4, 69), // burst
VSYNC(625), // vSync
HSYNC(3177, 23), // hSync
LEAP(3183, 3181), // leap
HSTART(128, 768), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
},
{ // fldRegs
{

18
src/libultra/io/vimodempallan1.c
View file

@ -16,15 +16,15 @@ OSViMode osViModeMpalLan1 = {
{
// comRegs
VI_CTRL_TYPE_16 | VI_CTRL_GAMMA_DITHER_ON | VI_CTRL_GAMMA_ON | VI_CTRL_DIVOT_ON | VI_CTRL_ANTIALIAS_MODE_1 |
VI_CTRL_PIXEL_ADV_3, // ctrl
WIDTH(320), // width
BURST(57, 30, 5, 70), // burst
VSYNC(525), // vSync
HSYNC(3089, 4), // hSync
LEAP(3097, 3098), // leap
HSTART(108, 748), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
VI_CTRL_PIXEL_ADV(3), // ctrl
WIDTH(320), // width
BURST(57, 30, 5, 70), // burst
VSYNC(525), // vSync
HSYNC(3089, 4), // hSync
LEAP(3097, 3098), // leap
HSTART(108, 748), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
},
{ // fldRegs
{

18
src/libultra/io/vimodentsclan1.c
View file

@ -16,15 +16,15 @@ OSViMode osViModeNtscLan1 = {
{
// comRegs
VI_CTRL_TYPE_16 | VI_CTRL_GAMMA_DITHER_ON | VI_CTRL_GAMMA_ON | VI_CTRL_DIVOT_ON | VI_CTRL_ANTIALIAS_MODE_1 |
VI_CTRL_PIXEL_ADV_3, // ctrl
WIDTH(320), // width
BURST(57, 34, 5, 62), // burst
VSYNC(525), // vSync
HSYNC(3093, 0), // hSync
LEAP(3093, 3093), // leap
HSTART(108, 748), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
VI_CTRL_PIXEL_ADV(3), // ctrl
WIDTH(320), // width
BURST(57, 34, 5, 62), // burst
VSYNC(525), // vSync
HSYNC(3093, 0), // hSync
LEAP(3093, 3093), // leap
HSTART(108, 748), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
},
{ // fldRegs
{

18
src/libultra/io/vimodepallan1.c
View file

@ -16,15 +16,15 @@ OSViMode osViModePalLan1 = {
{
// comRegs
VI_CTRL_TYPE_16 | VI_CTRL_GAMMA_DITHER_ON | VI_CTRL_GAMMA_ON | VI_CTRL_DIVOT_ON | VI_CTRL_ANTIALIAS_MODE_1 |
VI_CTRL_PIXEL_ADV_3, // ctrl
WIDTH(320), // width
BURST(58, 30, 4, 69), // burst
VSYNC(625), // vSync
HSYNC(3177, 23), // hSync
LEAP(3183, 3181), // leap
HSTART(128, 768), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
VI_CTRL_PIXEL_ADV(3), // ctrl
WIDTH(320), // width
BURST(58, 30, 4, 69), // burst
VSYNC(625), // vSync
HSYNC(3177, 23), // hSync
LEAP(3183, 3181), // leap
HSTART(128, 768), // hStart
SCALE(2, 0), // xScale
VCURRENT(0), // vCurrent
},
{ // fldRegs
{

148
src/libultra/libc/bcmp.s
View file

@ -1,93 +1,89 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(bcmp)
slti $at, $a2, 0x10
bnez $at, bytecmp
xor $v0, $a0, $a1
andi $v0, $v0, 3
bnez $v0, unaligncmp
negu $t8, $a0
andi $t8, $t8, 3
beqz $t8, wordcmp
subu $a2, $a2, $t8
move $v0, $v1
lwl $v0, ($a0)
lwl $v1, ($a1)
addu $a0, $a0, $t8
addu $a1, $a1, $t8
bne $v0, $v1, cmpne
xor v0, a0, a1
blt a2, 0x10, bytecmp
and v0, v0, 3
negu t8, a0
bnez v0, unaligncmp
and t8, t8, 3
subu a2, a2, t8
beqz t8, wordcmp
move v0, v1
lwl v0, (a0)
lwl v1, (a1)
addu a0, a0, t8
addu a1, a1, t8
bne v0, v1, cmpne
wordcmp:
li $at, ~3
and $a3, $a2, $at
beqz $a3, bytecmp
subu $a2, $a2, $a3
addu $a3, $a3, $a0
lw $v0, ($a0)
and a3, a2, ~3
subu a2, a2, a3
beqz a3, bytecmp
addu a3, a3, a0
1:
lw $v1, ($a1)
addiu $a0, $a0, 4
addiu $a1, $a1, 4
bne $v0, $v1, cmpne
nop
bnel $a0, $a3, 1b
lw $v0, ($a0)
lw v0, (a0)
lw v1, (a1)
addu a0, a0, 4
addu a1, a1, 4
bne v0, v1, cmpne
bne a0, a3, 1b
b bytecmp
nop
unaligncmp:
negu $a3, $a1
andi $a3, $a3, 3
beqz $a3, partaligncmp
subu $a2, $a2, $a3
addu $a3, $a3, $a0
lbu $v0, ($a0)
negu a3, a1
and a3, a3, 3
subu a2, a2, a3
beqz a3, partaligncmp
addu a3, a3, a0
1:
lbu $v1, ($a1)
addiu $a0, $a0, 1
addiu $a1, $a1, 1
bne $v0, $v1, cmpne
nop
bnel $a0, $a3, 1b
lbu $v0, ($a0)
lbu v0, (a0)
lbu v1, (a1)
addu a0, a0, 1
addu a1, a1, 1
bne v0, v1, cmpne
bne a0, a3, 1b
partaligncmp:
li $at, ~3
and $a3, $a2, $at
beqz $a3, bytecmp
subu $a2, $a2, $a3
addu $a3, $a3, $a0
lwl $v0, ($a0)
and a3, a2, ~3
subu a2, a2, a3
beqz a3, bytecmp
addu a3, a3, a0
1:
lw $v1, ($a1)
lwr $v0, 3($a0)
addiu $a0, $a0, 4
addiu $a1, $a1, 4
bne $v0, $v1, cmpne
nop
bnel $a0, $a3, 1b
lwl $v0, ($a0)
lwl v0, (a0)
lw v1, (a1)
lwr v0, 3(a0)
addu a0, a0, 4
addu a1, a1, 4
bne v0, v1, cmpne
bne a0, a3, 1b
bytecmp:
blez $a2, cmpdone
addu $a3, $a2, $a0
lbu $v0, ($a0)
addu a3, a2, a0
blez a2, cmpdone
1:
lbu $v1, ($a1)
addiu $a0, $a0, 1
addiu $a1, $a1, 1
bne $v0, $v1, cmpne
nop
bnel $a0, $a3, 1b
lbu $v0, ($a0)
lbu v0, (a0)
lbu v1, (a1)
addu a0, a0, 1
addu a1, a1, 1
bne v0, v1, cmpne
bne a0, a3, 1b
cmpdone:
jr $ra
move $v0, $zero
move v0, zero
jr ra
cmpne:
jr $ra
li $v0, 1
li v0, 1
jr ra
END(bcmp)

366
src/libultra/libc/bcopy.s
View file

@ -1,233 +1,211 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(bcopy)
beqz $a2, ret
move $a3, $a1
beq $a0, $a1, ret
slt $at, $a1, $a0
bnezl $at, goforwards
slti $at, $a2, 0x10
add $v0, $a0, $a2
slt $at, $a1, $v0
beql $at, $zero, goforwards
slti $at, $a2, 0x10
move a3, a1
beqz a2, ret
beq a0, a1, ret
blt a1, a0, goforwards
add v0, a0, a2
bge a1, v0, goforwards
b gobackwards
slti $at, $a2, 0x10
slti $at, $a2, 0x10
goforwards:
bnez $at, forwards_bytecopy
nop
andi $v0, $a0, 3
andi $v1, $a1, 3
beq $v0, $v1, forwalignable
nop
blt a2, 0x10, forwards_bytecopy
and v0, a0, 3
and v1, a1, 3
beq v0, v1, forwalignable
forwards_bytecopy:
beqz $a2, ret
nop
addu $v1, $a0, $a2
beqz a2, ret
addu v1, a0, a2
99:
lb $v0, ($a0)
addiu $a0, $a0, 1
addiu $a1, $a1, 1
bne $a0, $v1, 99b
sb $v0, -1($a1)
lb v0, (a0)
addu a0, a0, 1
sb v0, (a1)
addu a1, a1, 1
bne a0, v1, 99b
ret:
jr $ra
move $v0, $a3
move v0, a3
jr ra
forwalignable:
beqz $v0, forwards_32
li $at, 1
beq $v0, $at, forw_copy3
li $at, 2
beql $v0, $at, forw_copy2
lh $v0, ($a0)
lb $v0, ($a0)
addiu $a0, $a0, 1
addiu $a1, $a1, 1
addiu $a2, $a2, -1
beqz v0, forwards_32
beq v0, 1, forw_copy3
beq v0, 2, forw_copy2
lb v0, (a0)
addu a0, a0, 1
sb v0, (a1)
addu a1, a1, 1
addu a2, a2, -1
b forwards_32
sb $v0, -1($a1)
lh $v0, ($a0)
forw_copy2:
addiu $a0, $a0, 2
addiu $a1, $a1, 2
addiu $a2, $a2, -2
lh v0, (a0)
addu a0, a0, 2
sh v0, (a1)
addu a1, a1, 2
addu a2, a2, -2
b forwards_32
sh $v0, -2($a1)
forw_copy3:
lb $v0, ($a0)
lh $v1, 1($a0)
addiu $a0, $a0, 3
addiu $a1, $a1, 3
addiu $a2, $a2, -3
sb $v0, -3($a1)
sh $v1, -2($a1)
lb v0, (a0)
lh v1, 1(a0)
addiu a0, a0, 3
sb v0, (a1)
sh v1, 1(a1)
addiu a1, a1, 3
addiu a2, a2, -3
forwards:
forwards_32:
slti $at, $a2, 0x20
bnezl $at, forwards_16_
slti $at, $a2, 0x10
lw $v0, ($a0)
lw $v1, 4($a0)
lw $t0, 8($a0)
lw $t1, 0xC($a0)
lw $t2, 0x10($a0)
lw $t3, 0x14($a0)
lw $t4, 0x18($a0)
lw $t5, 0x1C($a0)
addiu $a0, $a0, 0x20
addiu $a1, $a1, 0x20
addiu $a2, $a2, -0x20
sw $v0, -0x20($a1)
sw $v1, -0x1C($a1)
sw $t0, -0x18($a1)
sw $t1, -0x14($a1)
sw $t2, -0x10($a1)
sw $t3, -0xC($a1)
sw $t4, -8($a1)
blt a2, 32, forwards_16
lw v0, 0(a0)
lw v1, 4(a0)
lw t0, 8(a0)
lw t1, 12(a0)
lw t2, 16(a0)
lw t3, 20(a0)
lw t4, 24(a0)
lw t5, 28(a0)
addiu a0, a0, 32
sw v0, 0(a1)
sw v1, 4(a1)
sw t0, 8(a1)
sw t1, 12(a1)
sw t2, 16(a1)
sw t3, 20(a1)
sw t4, 24(a1)
sw t5, 28(a1)
addiu a1, a1, 32
addiu a2, a2, -32
b forwards_32
sw $t5, -4($a1)
forwards_16:
slti $at, $a2, 0x10
forwards_16_: // fake label due to branch likely optimization
bnezl $at, forwards_4_
slti $at, $a2, 4
lw $v0, ($a0)
lw $v1, 4($a0)
lw $t0, 8($a0)
lw $t1, 0xC($a0)
addiu $a0, $a0, 0x10
addiu $a1, $a1, 0x10
addiu $a2, $a2, -0x10
sw $v0, -0x10($a1)
sw $v1, -0xC($a1)
sw $t0, -8($a1)
blt a2, 16, forwards_4
lw v0, 0(a0)
lw v1, 4(a0)
lw t0, 8(a0)
lw t1, 12(a0)
addiu a0, a0, 16
sw v0, 0(a1)
sw v1, 4(a1)
sw t0, 8(a1)
sw t1, 12(a1)
addiu a1, a1, 16
addiu a2, a2, -16
b forwards_16
sw $t1, -4($a1)
forwards_4:
slti $at, $a2, 4
forwards_4_: // fake label due to branch likely optimization
bnez $at, forwards_bytecopy
nop
lw $v0, ($a0)
addiu $a0, $a0, 4
addiu $a1, $a1, 4
addiu $a2, $a2, -4
blt a2, 4, forwards_bytecopy
lw v0, 0(a0)
addiu a0, a0, 4
sw v0, 0(a1)
addiu a1, a1, 4
addiu a2, a2, -4
b forwards_4
sw $v0, -4($a1)
slti $at, $a2, 0x10
gobackwards:
add $a0, $a0, $a2
bnez $at, backwards_bytecopy
add $a1, $a1, $a2
andi $v0, $a0, 3
andi $v1, $a1, 3
beq $v0, $v1, backalignable
nop
add a0, a0,a2
add a1, a1,a2
blt a2, 16, backwards_bytecopy
andi v0, a0, 0x3
andi v1, a1, 0x3
beq v0, v1, backalignable
backwards_bytecopy:
beqz $a2, ret
nop
addiu $a0, $a0, -1
addiu $a1, $a1, -1
subu $v1, $a0, $a2
beqz a2, ret
addiu a0, a0, -1
addiu a1, a1, -1
subu v1, a0,a2
99:
lb $v0, ($a0)
addiu $a0, $a0, -1
addiu $a1, $a1, -1
bne $a0, $v1, 99b
sb $v0, 1($a1)
jr $ra
move $v0, $a3
lb v0, 0(a0)
addiu a0, a0, -1
sb v0, 0(a1)
addiu a1, a1, -1
bne a0, v1,99b
move v0, a3
jr ra
backalignable:
beqz $v0, backwards_32
li $at, 3
beq $v0, $at, back_copy3
li $at, 2
beql $v0, $at, back_copy2
lh $v0, -2($a0)
lb $v0, -1($a0)
addiu $a0, $a0, -1
addiu $a1, $a1, -1
addiu $a2, $a2, -1
b backwards_32
sb $v0, ($a1)
lh $v0, -2($a0)
beqz v0, backwards
beq v0, 3, back_copy3
beq v0, 2, back_copy2
lb v0, -1(a0)
addiu a0, a0, -1
sb v0, -1(a1)
addiu a1, a1, -1
addiu a2, a2, -1
b backwards
back_copy2:
addiu $a0, $a0, -2
addiu $a1, $a1, -2
addiu $a2, $a2, -2
b backwards_32
sh $v0, ($a1)
lh v0, -2(a0)
addiu a0, a0, -2
sh v0, -2(a1)
addiu a1, a1, -2
addiu a2, a2, -2
b backwards
back_copy3:
lb $v0, -1($a0)
lh $v1, -3($a0)
addiu $a0, $a0, -3
addiu $a1, $a1, -3
addiu $a2, $a2, -3
sb $v0, 2($a1)
sh $v1, ($a1)
lb v0, -1(a0)
lh v1, -3(a0)
addiu a0, a0, -3
sb v0, -1(a1)
sh v1, -3(a1)
addiu a1, a1, -3
addiu a2, a2, -3
backwards:
backwards_32:
slti $at, $a2, 0x20
bnezl $at, backwards_16_
slti $at, $a2, 0x10
lw $v0, -4($a0)
lw $v1, -8($a0)
lw $t0, -0xc($a0)
lw $t1, -0x10($a0)
lw $t2, -0x14($a0)
lw $t3, -0x18($a0)
lw $t4, -0x1c($a0)
lw $t5, -0x20($a0)
addiu $a0, $a0, -0x20
addiu $a1, $a1, -0x20
addiu $a2, $a2, -0x20
sw $v0, 0x1C($a1)
sw $v1, 0x18($a1)
sw $t0, 0x14($a1)
sw $t1, 0x10($a1)
sw $t2, 0xC($a1)
sw $t3, 8($a1)
sw $t4, 4($a1)
blt a2, 32, backwards_16
lw v0, -4(a0)
lw v1, -8(a0)
lw t0, -12(a0)
lw t1, -16(a0)
lw t2, -20(a0)
lw t3, -24(a0)
lw t4, -28(a0)
lw t5, -32(a0)
addiu a0, a0, -32
sw v0, -4(a1)
sw v1, -8(a1)
sw t0, -12(a1)
sw t1, -16(a1)
sw t2, -20(a1)
sw t3, -24(a1)
sw t4, -28(a1)
sw t5, -32(a1)
addiu a1, a1, -32
addiu a2, a2, -32
b backwards_32
sw $t5, ($a1)
backwards_16:
slti $at, $a2, 0x10
backwards_16_: // fake label due to branch likely optimization
bnezl $at, backwards_4_
slti $at, $a2, 4
lw $v0, -4($a0)
lw $v1, -8($a0)
lw $t0, -0xC($a0)
lw $t1, -0x10($a0)
addiu $a0, $a0, -0x10
addiu $a1, $a1, -0x10
addiu $a2, $a2, -0x10
sw $v0, 0xC($a1)
sw $v1, 8($a1)
sw $t0, 4($a1)
blt a2, 16, backwards_4
lw v0, -4(a0)
lw v1, -8(a0)
lw t0, -12(a0)
lw t1, -16(a0)
addiu a0, a0, -16
sw v0, -4(a1)
sw v1, -8(a1)
sw t0, -12(a1)
sw t1, -16(a1)
addiu a1, a1, -16
addiu a2, a2, -16
b backwards_16
sw $t1, ($a1)
backwards_4:
slti $at, $a2, 4
backwards_4_: // fake label due to branch likely optimization
bnez $at, backwards_bytecopy
nop
lw $v0, -4($a0)
addiu $a0, $a0, -4
addiu $a1, $a1, -4
addiu $a2, $a2, -4
blt a2, 4, backwards_bytecopy
lw v0, -4(a0)
addiu a0, a0, -4
sw v0, -4(a1)
addiu a1, a1, -4
addiu a2, a2, -4
b backwards_4
sw $v0, ($a1)
END(bcopy)

100
src/libultra/libc/bzero.s
View file

@ -1,65 +1,59 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(bzero)
slti $at, $a1, 0xC
bnez $at, bytezero
negu $v1, $a0
andi $v1, $v1, 3
beqz $v1, blkzero
subu $a1, $a1, $v1
swl $zero, ($a0)
addu $a0, $a0, $v1
negu v1, a0
blt a1, 0xC, bytezero
and v1, v1, 3
subu a1, a1, v1
beqz v1, blkzero
swl zero, (a0)
addu a0, a0, v1
blkzero:
// align backwards to 0x20
li $at, ~0x1F
and $a3, $a1, $at
// If the result is zero, the amount to zero is less than 0x20 bytes
beqz $a3, wordzero
subu $a1, $a1, $a3
// zero in blocks of 0x20 at a time
addu $a3, $a3, $a0
/* align backwards to 0x20 */
and a3, a1, ~(0x20 - 1)
/* If the result is zero, the amount to zero is less than 0x20 bytes */
subu a1, a1, a3
beqz a3, wordzero
/* zero in blocks of 0x20 at a time */
addu a3, a3, a0
1:
addiu $a0, $a0, 0x20
sw $zero, -0x20($a0)
sw $zero, -0x1C($a0)
sw $zero, -0x18($a0)
sw $zero, -0x14($a0)
sw $zero, -0x10($a0)
sw $zero, -0xC($a0)
sw $zero, -8($a0)
bne $a0, $a3, 1b
sw $zero, -4($a0)
sw zero, 0(a0)
sw zero, 4(a0)
sw zero, 8(a0)
sw zero, 12(a0)
addiu a0, a0, 0x20
sw zero, -16(a0)
sw zero, -12(a0)
sw zero, -8(a0)
sw zero, -4(a0)
bne a0, a3, 1b
wordzero:
// align backwards to 0x4
li $at, ~3
and $a3, $a1, $at
// If the result is zero, the amount to zero is less than 0x4 bytes
beqz $a3, bytezero
subu $a1, $a1, $a3
// zero one word at a time
addu $a3, $a3, $a0
/* align backwards to 0x4 */
and a3, a1, ~3
/* If the result is zero, the amount to zero is less than 0x4 bytes */
subu a1, a1, a3
beqz a3, bytezero
/* zero one word at a time */
addu a3, a3, a0
1:
addiu $a0, $a0, 4
bne $a0, $a3, 1b
sw $zero, -4($a0)
addu a0, a0, 4
sw zero, -4(a0)
bne a0, a3, 1b
bytezero:
// test if nothing left to zero
blez $a1, zerodone
nop
// zero one byte at a time
addu $a1, $a1, $a0
/* test if nothing left to zero */
blez a1, zerodone
/* zero one byte at a time */
addu a1, a1, a0
1:
addiu $a0, $a0, 1
bne $a0, $a1, 1b
sb $zero, -1($a0)
sb zero, (a0)
addiu a0, a0, 1
bne a0, a1, 1b
zerodone:
jr $ra
nop
jr ra
END(bzero)

58
src/libultra/mgu/mtxf2l.s
View file

@ -1,40 +1,36 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 32
.text
.align 5
#define MTX_INTPART 0
#define MTX_FRACPART 0x20
LEAF(guMtxF2L)
li $at, 0x47800000 // 65536.0f
mtc1 $at, $f0
li $t9, 0xFFFF0000
addiu $t8, $a1, MTX_FRACPART
li.s fv0, 65536.0
li t9, 0xFFFF0000
addu t8, a1, MTX_FRACPART
1:
lwc1 $f4, ($a0)
lwc1 $f10, 4($a0)
addiu $a1, $a1, 4
mul.s $f6, $f4, $f0
addiu $a0, $a0, 8
mul.s $f16, $f10, $f0
trunc.w.s $f8, $f6
trunc.w.s $f18, $f16
mfc1 $t0, $f8
mfc1 $t1, $f18
and $t2, $t0, $t9
sll $t5, $t0, 0x10
srl $t3, $t1, 0x10
andi $t6, $t1, 0xFFFF
or $t4, $t2, $t3
or $t7, $t5, $t6
sw $t4, (MTX_INTPART-4)($a1)
bne $a1, $t8, 1b
sw $t7, (MTX_FRACPART-4)($a1)
jr $ra
nop
lwc1 ft0, 0(a0)
lwc1 ft3, 4(a0)
mul.s ft1, ft0, fv0
mul.s ft4, ft3, fv0
trunc.w.s ft2, ft1
trunc.w.s ft5, ft4
mfc1 t0, ft2
mfc1 t1, ft5
srl t3, t1, 0x10
and t6, t1, 0xFFFF
and t2, t0, t9
sll t5, t0, 0x10
or t4, t2, t3
or t7, t5, t6
sw t4, (MTX_INTPART)(a1)
sw t7, (MTX_FRACPART)(a1)
addu a0, a0, 8
addu a1, a1, 4
bne a1, t8, 1b
jr ra
END(guMtxF2L)

46
src/libultra/mgu/mtxident.s
View file

@ -1,29 +1,27 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noreorder
.section .text
.balign 32
.text
.align 5
LEAF(guMtxIdent)
addi $t0, $zero, 1
sll $t1, $t0, 0x10
sw $t1, ($a0)
sw $zero, 4($a0)
sw $t0, 8($a0)
sw $zero, 0xc($a0)
sw $zero, 0x10($a0)
sw $t1, 0x14($a0)
sw $zero, 0x18($a0)
sw $t0, 0x1C($a0)
sw $zero, 0x20($a0)
sw $zero, 0x24($a0)
sw $zero, 0x28($a0)
sw $zero, 0x2c($a0)
sw $zero, 0x30($a0)
sw $zero, 0x34($a0)
sw $zero, 0x38($a0)
jr $ra
sw $zero, 0x3C($a0)
add t0, zero, 1
sll t1, t0, 0x10
sw t1, 0x00(a0)
sw zero, 0x04(a0)
sw t0, 0x08(a0)
sw zero, 0x0C(a0)
sw zero, 0x10(a0)
sw t1, 0x14(a0)
sw zero, 0x18(a0)
sw t0, 0x1C(a0)
sw zero, 0x20(a0)
sw zero, 0x24(a0)
sw zero, 0x28(a0)
sw zero, 0x2c(a0)
sw zero, 0x30(a0)
sw zero, 0x34(a0)
sw zero, 0x38(a0)
sw zero, 0x3C(a0)
jr ra
END(guMtxIdent)

44
src/libultra/mgu/mtxidentf.s
View file

@ -1,28 +1,26 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noreorder
.section .text
.balign 32
.text
.align 5
LEAF(guMtxIdentF)
li $t0, 0x3F800000 // 1.0f
sw $t0, ($a0)
sw $zero, 4($a0)
sw $zero, 8($a0)
sw $zero, 0xC($a0)
sw $zero, 0x10($a0)
sw $t0, 0x14($a0)
sw $zero, 0x18($a0)
sw $zero, 0x1C($a0)
sw $zero, 0x20($a0)
sw $zero, 0x24($a0)
sw $t0, 0x28($a0)
sw $zero, 0x2C($a0)
sw $zero, 0x30($a0)
sw $zero, 0x34($a0)
sw $zero, 0x38($a0)
jr $ra
sw $t0, 0x3C($a0)
li.s t0, 1.0
sw t0, 0x00(a0)
sw zero, 0x04(a0)
sw zero, 0x08(a0)
sw zero, 0x0C(a0)
sw zero, 0x10(a0)
sw t0, 0x14(a0)
sw zero, 0x18(a0)
sw zero, 0x1C(a0)
sw zero, 0x20(a0)
sw zero, 0x24(a0)
sw t0, 0x28(a0)
sw zero, 0x2C(a0)
sw zero, 0x30(a0)
sw zero, 0x34(a0)
sw zero, 0x38(a0)
sw t0, 0x3C(a0)
jr ra
END(guMtxIdentF)

66
src/libultra/mgu/mtxl2f.s
View file

@ -1,41 +1,43 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 32
.text
.align 5
#define MTX_INTPART 0
#define MTX_FRACPART 0x20
#define FIXTOF 0.0000152587890625 /* 1.0f / 65536.0f */
LEAF(guMtxL2F)
li $at, 0x37800000 // 1.0f / 65536.0f
mtc1 $at, $f0
li $t9, 0xFFFF0000
addiu $t8, $a1, MTX_FRACPART
li.s fv0, FIXTOF
li t9, 0xFFFF0000
addiu t8, a1, MTX_FRACPART
1:
lw $t0, MTX_INTPART($a1)
lw $t1, MTX_FRACPART($a1)
addiu $a1, $a1, 4
and $t2, $t0, $t9
srl $t3, $t1, 0x10
or $t4, $t2, $t3
mtc1 $t4, $f4
sll $t5, $t0, 0x10
andi $t6, $t1, 0xFFFF
or $t7, $t5, $t6
cvt.s.w $f6, $f4
mtc1 $t7, $f10
addiu $a0, $a0, 8
cvt.s.w $f16, $f10
mul.s $f8, $f6, $f0
nop
mul.s $f18, $f16, $f0
swc1 $f8, -8($a0)
bne $a1, $t8, 1b
swc1 $f18, -4($a0)
jr $ra
nop
lw t0, MTX_INTPART(a1)
lw t1, MTX_FRACPART(a1)
and t2, t0, t9
srl t3, t1, 0x10
or t4, t2, t3
sll t5, t0, 0x10
and t6, t1, 0xFFFF
or t7, t5, t6
mtc1 t4, ft0
cvt.s.w ft1, ft0
mul.s ft2, ft1, fv0
mtc1 t7, ft3
cvt.s.w ft4, ft3
mul.s ft5, ft4, fv0
swc1 ft2, 0(a0)
swc1 ft5, 4(a0)
addu a0, a0, 8
addu a1, a1, 4
bne a1, t8, 1b
jr ra
END(guMtxL2F)

48
src/libultra/mgu/normalize.s
View file

@ -1,31 +1,27 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noreorder
.section .text
.balign 32
.text
.align 5
LEAF(guNormalize)
lwc1 $f4, ($a0)
lwc1 $f6, ($a1)
lwc1 $f8, ($a2)
mul.s $f10, $f4, $f4
li $t0, 0x3F800000 // 1.0f
mul.s $f16, $f6, $f6
add.s $f18, $f10, $f16
mul.s $f16, $f8, $f8
add.s $f10, $f16, $f18
mtc1 $t0, $f18
sqrt.s $f16, $f10
div.s $f10, $f18, $f16
mul.s $f16, $f4, $f10
nop
mul.s $f18, $f6, $f10
nop
mul.s $f4, $f8, $f10
swc1 $f16, ($a0)
swc1 $f18, ($a1)
jr $ra
swc1 $f4, ($a2)
lwc1 ft0, (a0)
lwc1 ft1, (a1)
lwc1 ft2, (a2)
li.s t0, 1.0
mul.s ft3, ft0, ft0
mul.s ft4, ft1, ft1
add.s ft5, ft3, ft4
mul.s ft4, ft2, ft2
add.s ft3, ft4, ft5
mtc1 t0, ft5
sqrt.s ft4, ft3
div.s ft3, ft5, ft4
mul.s ft4, ft0, ft3
mul.s ft5, ft1, ft3
mul.s ft0, ft2, ft3
swc1 ft4, (a0)
swc1 ft5, (a1)
swc1 ft0, (a2)
jr ra
END(guNormalize)

98
src/libultra/mgu/scale.s
View file

@ -1,52 +1,56 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 32
.text
.align 5
LEAF(guScale)
li $at, 0x47800000 // 65536.0f
mtc1 $at, $f4
mtc1 $a1, $f6
sw $zero, 4($a0)
sw $zero, 0xC($a0)
mul.s $f8, $f6, $f4
mtc1 $a2, $f6
sw $zero, 0x10($a0)
sw $zero, 0x18($a0)
sw $zero, 0x24($a0)
sw $zero, 0x2C($a0)
sw $zero, 0x30($a0)
trunc.w.s $f10, $f8
mul.s $f8, $f6, $f4
mtc1 $a3, $f6
sw $zero, 0x38($a0)
mfc1 $t1, $f10
sw $zero, 0x3C($a0)
srl $t2, $t1, 0x10
trunc.w.s $f10, $f8
mul.s $f8, $f6, $f4
sll $t0, $t2, 0x10
sll $t2, $t1, 0x10
mfc1 $t1, $f10
sw $t0, ($a0)
sw $t2, 0x20($a0)
srl $t0, $t1, 0x10
trunc.w.s $f10, $f8
andi $t2, $t1, 0xFFFF
sw $t2, 0x28($a0)
sw $t0, 8($a0)
mfc1 $t1, $f10
nop
srl $t2, $t1, 0x10
sll $t0, $t2, 0x10
sw $t0, 0x14($a0)
li $t0, 1
sll $t2, $t1, 0x10
sw $t2, 0x34($a0)
jr $ra
sw $t0, 0x1C($a0)
li.s ft0, 65536.0
mtc1 a1, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t1, ft3
srl t2, t1, 0x10
sll t0, t2, 0x10
sw t0, 0x00(a0)
sll t2, t1, 0x10
sw t2, 0x20(a0)
mtc1 a2, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t1, ft3
srl t0, t1, 0x10
sw t0, 0x08(a0)
andi t2, t1, 0xFFFF
sw t2, 0x28(a0)
mtc1 a3, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t1, ft3
srl t2, t1, 0x10
sll t0, t2, 0x10
sw t0, 0x14(a0)
sll t2, t1, 0x10
sw t2, 0x34(a0)
li t0, 1
sw t0, 0x1C(a0)
sw zero, 0x04(a0)
sw zero, 0x0C(a0)
sw zero, 0x10(a0)
sw zero, 0x18(a0)
sw zero, 0x24(a0)
sw zero, 0x2C(a0)
sw zero, 0x30(a0)
sw zero, 0x38(a0)
sw zero, 0x3C(a0)
jr ra
END(guScale)

119
src/libultra/mgu/translate.s
View file

@ -1,61 +1,68 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
.set noat
.set noreorder
.section .text
.balign 32
.text
.align 5
LEAF(guTranslate)
li $at, 0x47800000 // 65536.0f
mtc1 $at, $f4
mtc1 $a1, $f6
sw $zero, ($a0)
sw $zero, 0x14($a0)
mul.s $f8, $f6, $f4
mtc1 $a2, $f6
sw $zero, 8($a0)
sw $zero, 4($a0)
sw $zero, 0xC($a0)
sw $zero, 0x10($a0)
sw $zero, 0x20($a0)
trunc.w.s $f10, $f8
mul.s $f8, $f6, $f4
mtc1 $a3, $f6
sw $zero, 0x24($a0)
mfc1 $t1, $f10
sw $zero, 0x28($a0)
sw $zero, 0x2C($a0)
srl $t2, $t1, 0x10
trunc.w.s $f10, $f8
mul.s $f8, $f6, $f4
sll $t0, $t2, 0x10
sw $zero, 0x30($a0)
mfc1 $t3, $f10
sw $zero, 0x34($a0)
srl $t2, $t3, 0x10
trunc.w.s $f10, $f8
or $t0, $t0, $t2
sw $t0, 0x18($a0)
sll $t0, $t1, 0x10
sll $t2, $t3, 0x10
mfc1 $t1, $f10
srl $t2, $t2, 0x10
or $t0, $t0, $t2
sw $t0, 0x38($a0)
srl $t2, $t1, 0x10
sll $t0, $t2, 0x10
addiu $t0, $t0, 1
sw $t0, 0x1C($a0)
lui $t0, 1
ori $t0, $t0, 0
sw $t0, ($a0)
sw $t0, 0x14($a0)
lui $t0, (0x00000001 >> 16)
ori $t0, (0x00000001 & 0xFFFF)
sll $t2, $t1, 0x10
sw $t2, 0x3C($a0)
jr $ra
sw $t0, 8($a0)
li.s ft0, 65536.0
mtc1 a1, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t1, ft3
mtc1 a2, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t3, ft3
srl t2, t1, 0x10
sll t0, t2, 0x10
srl t2, t3, 0x10
or t0, t0, t2
sw t0, 0x18(a0)
sll t2, t3, 0x10
sll t0, t1, 0x10
srl t2, t2, 0x10
or t0, t0, t2
sw t0, 0x38(a0)
mtc1 a3, ft1
mul.s ft2, ft1, ft0
trunc.w.s ft3, ft2
mfc1 t1, ft3
srl t2, t1, 0x10
sll t0, t2, 0x10
addiu t0, t0, 1
sw t0, 0x1C(a0)
sll t2, t1, 0x10
sw t2, 0x3C(a0)
sw zero, 0x00(a0)
sw zero, 0x04(a0)
sw zero, 0x08(a0)
sw zero, 0x0C(a0)
sw zero, 0x10(a0)
sw zero, 0x14(a0)
sw zero, 0x20(a0)
sw zero, 0x24(a0)
sw zero, 0x28(a0)
sw zero, 0x2C(a0)
sw zero, 0x30(a0)
sw zero, 0x34(a0)
lui t0, (0x00010000 >> 16)
ori t0, (0x00010000 & 0xFFFF)
sw t0, (a0)
sw t0, 0x14(a0)
lui t0, (0x00000001 >> 16)
ori t0, (0x00000001 & 0xFFFF)
sw t0, 8(a0)
jr ra
END(guTranslate)

1292
src/libultra/os/exceptasm.s
View file

File diff suppressed because it is too large Load diff

12
src/libultra/os/getcause.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osGetCause)
mfc0 $v0, C0_CAUSE
jr $ra
nop
MFC0( v0, C0_CAUSE)
jr ra
END(__osGetCause)

12
src/libultra/os/getcount.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(osGetCount)
mfc0 $v0, C0_COUNT
jr $ra
nop
MFC0( v0, C0_COUNT)
jr ra
END(osGetCount)

12
src/libultra/os/getfpccsr.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osGetFpcCsr)
cfc1 $v0, C1_FPCSR
jr $ra
nop
CFC1( v0, C1_FPCSR)
jr ra
END(__osGetFpcCsr)

69
src/libultra/os/getintmask.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
#include "ultra64/rcp.h"
#include "ultra64/exception.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* OSIntMask osGetIntMask(void);
@ -23,38 +19,35 @@
* See the comment for osSetIntMask for more details.
*/
LEAF(osGetIntMask)
// Extract interrupt enable bits from current SR
mfc0 $v0, C0_SR
andi $v0, $v0, (SR_IMASK | SR_IE)
// Get value of __OSGlobalIntMask
lui $t0, %hi(__OSGlobalIntMask)
addiu $t0, %lo(__OSGlobalIntMask)
lw $t1, 0($t0)
// Bitwise-OR in the disabled CPU bits of __OSGlobalIntMask
li $at, ~0
xor $t0, $t1, $at
andi $t0, $t0, SR_IMASK
or $v0, $v0, $t0
// Fetch MI_INTR_MASK_REG
lui $t1, %hi(PHYS_TO_K1(MI_INTR_MASK_REG))
lw $t1, %lo(PHYS_TO_K1(MI_INTR_MASK_REG))($t1)
// If there are RCP interrupts masked
beqz $t1, 1f
// Get value of __OSGlobalIntMask
lui $t0, %hi(__OSGlobalIntMask)
addiu $t0, %lo(__OSGlobalIntMask)
lw $t0, 0($t0)
// Bitwise-OR in the disabled RCP bits of __OSGlobalIntMask
srl $t0, $t0, RCP_IMASKSHIFT
li $at, ~0
xor $t0, $t0, $at
andi $t0, $t0, (RCP_IMASK >> RCP_IMASKSHIFT)
or $t1, $t1, $t0
.set noreorder
/* Extract interrupt enable bits from current SR */
mfc0 v0, C0_SR
andi v0, v0, (SR_IMASK | SR_IE)
/* Get value of __OSGlobalIntMask */
la t0, __OSGlobalIntMask
lw t1, (t0)
/* Bitwise-OR in the disabled CPU bits of __OSGlobalIntMask */
xor t0, t1, ~0
andi t0, t0, SR_IMASK
or v0, v0, t0
/* Fetch MI_INTR_MASK_REG */
lw t1, PHYS_TO_K1(MI_INTR_MASK_REG)
/* If there are RCP interrupts masked */
beqz t1, 1f
/* Get value of __OSGlobalIntMask */
la t0, __OSGlobalIntMask /* Note: macro expansion in delay slot */
lw t0, (t0)
/* Bitwise-OR in the disabled RCP bits of __OSGlobalIntMask */
srl t0, t0, RCP_IMASKSHIFT
xor t0, t0, ~0
andi t0, t0, (RCP_IMASK >> RCP_IMASKSHIFT)
or t1, t1, t0
1:
// Shift the RCP bits to not conflict with the CPU bits
sll $t2, $t1, RCP_IMASKSHIFT
// OR the CPU and RCP bits together
or $v0, $v0, $t2
jr $ra
/* Shift the RCP bits to not conflict with the CPU bits */
sll t2, t1, RCP_IMASKSHIFT
/* OR the CPU and RCP bits together */
or v0, v0, t2
jr ra
nop
.set reorder
END(osGetIntMask)

12
src/libultra/os/getsr.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osGetSR)
mfc0 $v0, C0_SR
jr $ra
nop
MFC0( v0, C0_SR)
jr ra
END(__osGetSR)

76
src/libultra/os/interrupt.s
View file

@ -1,53 +1,45 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
#include "ultra64/thread.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(__osDisableInt)
lui $t2, %hi(__OSGlobalIntMask)
addiu $t2, $t2, %lo(__OSGlobalIntMask)
lw $t3, ($t2)
andi $t3, $t3, SR_IMASK
mfc0 $t0, C0_SR
li $at, ~SR_IE
and $t1, $t0, $at
mtc0 $t1, C0_SR
andi $v0, $t0, SR_IE
lw $t0, ($t2)
andi $t0, $t0, SR_IMASK
beq $t0, $t3, No_Change_Global_Int
lui $t2, %hi(__osRunningThread)
//! @bug this addiu should be lw, it may never come up in practice as to reach this code
//! the CPU bits of __OSGlobalIntMask must have changed while this function is running.
addiu $t2, $t2, %lo(__osRunningThread)
lw $t1, THREAD_SR($t2)
andi $t2, $t1, SR_IMASK
and $t2, $t2, $t0
li $at, ~SR_IMASK
and $t1, $t1, $at
or $t1, $t1, $t2
li $at, ~SR_IE
and $t1, $t1, $at
mtc0 $t1, C0_SR
nop
nop
la t2, __OSGlobalIntMask
lw t3, (t2)
and t3, t3, SR_IMASK
MFC0( t0, C0_SR)
and t1, t0, ~SR_IE
MTC0( t1, C0_SR)
and v0, t0, SR_IE
lw t0, (t2)
and t0, t0, SR_IMASK
.set noreorder
beq t0, t3, No_Change_Global_Int
/*! @bug this la should be lw, it may never come up in practice as to reach this code
*! the CPU bits of __OSGlobalIntMask must have changed while this function is running.
*/
la t2, __osRunningThread
lw t1, THREAD_SR(t2)
and t2, t1, SR_IMASK
and t2, t2, t0
.set reorder
and t1, t1, ~SR_IMASK
or t1, t1, t2
and t1, t1, ~SR_IE
MTC0( t1, C0_SR)
NOP
NOP
No_Change_Global_Int:
jr $ra
nop
jr ra
END(__osDisableInt)
LEAF(__osRestoreInt)
mfc0 $t0, C0_SR
or $t0, $t0, $a0
mtc0 $t0, C0_SR
nop
nop
jr $ra
nop
MFC0( t0, C0_SR)
or t0, t0, a0
MTC0( t0, C0_SR)
NOP
NOP
jr ra
END(__osRestoreInt)

110
src/libultra/os/invaldcache.s
View file

@ -1,12 +1,8 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* void osInvalDCache(void* vaddr, s32 nbytes);
@ -24,71 +20,67 @@
* the entire data cache is invalidated.
*/
LEAF(osInvalDCache)
// If the amount to invalidate is less than or equal to 0, return immediately
blez $a1, 3f
.set noreorder
/* If the amount to invalidate is less than or equal to 0, return immediately */
blez a1, 3f
nop
// If the amount to invalidate is as large as or larger than
// the data cache size, invalidate all
li $t3, DCACHE_SIZE
sltu $at, $a1, $t3
beqz $at, 4f
/* If the amount to invalidate is as large as or larger than
* the data cache size, invalidate all */
li t3, DCACHE_SIZE
bgeu a1, t3, 4f
nop
// Ensure end address doesn't wrap around and end up smaller
// than the start address
move $t0, $a0
addu $t1, $a0, $a1
sltu $at, $t0, $t1
beqz $at, 3f
/* Ensure end address doesn't wrap around and end up smaller
* than the start address */
move t0, a0
addu t1, a0, a1
bgeu t0, t1, 3f
nop
// Mask start with cache line
andi $t2, $t0, DCACHE_LINEMASK
// If mask is not zero, the start is not cache aligned
beqz $t2, 1f
addiu $t1, $t1, -DCACHE_LINESIZE
// Subtract mask result to align to cache line
subu $t0, $t0, $t2
// Hit-Writeback-Invalidate unaligned part
cache (CACH_PD | C_HWBINV), ($t0)
sltu $at, $t0, $t1
// If that's all there is to do, return early
beqz $at, 3f
/* Mask start with cache line */
andi t2, t0, DCACHE_LINEMASK
/* If mask is not zero, the start is not cache aligned */
beqz t2, 1f
addiu t1, t1, -DCACHE_LINESIZE
/* Subtract mask result to align to cache line */
subu t0, t0, t2
/* Hit-Writeback-Invalidate unaligned part */
cache (CACH_PD | C_HWBINV), (t0)
/* If that's all there is to do, return early */
bgeu t0, t1, 3f
nop
addiu $t0, $t0, DCACHE_LINESIZE
addiu t0, t0, DCACHE_LINESIZE
1:
// Mask end with cache line
andi $t2, $t1, DCACHE_LINEMASK
// If mask is not zero, the end is not cache aligned
beqz $t2, 1f
/* Mask end with cache line */
andi t2, t1, DCACHE_LINEMASK
/* If mask is not zero, the end is not cache aligned */
beqz t2, 1f
nop
// Subtract mask result to align to cache line
subu $t1, $t1, $t2
// Hit-Writeback-Invalidate unaligned part
cache (CACH_PD | C_HWBINV), DCACHE_LINESIZE($t1)
sltu $at, $t1, $t0
// If that's all there is to do, return early
bnez $at, 3f
/* Subtract mask result to align to cache line */
subu t1, t1, t2
/* Hit-Writeback-Invalidate unaligned part */
cache (CACH_PD | C_HWBINV), DCACHE_LINESIZE(t1)
/* If that's all there is to do, return early */
bltu t1, t0, 3f
nop
// Invalidate the rest
/* Invalidate the rest */
1:
// Hit-Invalidate
cache (CACH_PD | C_HINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, $t0, DCACHE_LINESIZE
/* Hit-Invalidate */
cache (CACH_PD | C_HINV), (t0)
bltu t0, t1, 1b
addiu t0, t0, DCACHE_LINESIZE
3:
jr $ra
jr ra
nop
4:
li $t0, K0BASE
addu $t1, $t0, $t3
addiu $t1, $t1, -DCACHE_LINESIZE
li t0, K0BASE
addu t1, t0, t3
addiu t1, t1, -DCACHE_LINESIZE
5:
// Index-Writeback-Invalidate
cache (CACH_PD | C_IWBINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 5b
addiu $t0, DCACHE_LINESIZE
jr $ra
/* Index-Writeback-Invalidate */
cache (CACH_PD | C_IWBINV), (t0)
bltu t0, t1, 5b
addiu t0, DCACHE_LINESIZE
jr ra
nop
.set reorder
END(osInvalDCache)

66
src/libultra/os/invalicache.s
View file

@ -1,52 +1,46 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(osInvalICache)
// If the amount to invalidate is less than or equal to 0, return immediately
blez $a1, 2f
.set noreorder
/* If the amount to invalidate is less than or equal to 0, return immediately */
blez a1, 2f
nop
// If the amount to invalidate is as large as or larger than
// the instruction cache size, invalidate all
li $t3, ICACHE_SIZE
sltu $at, $a1, $t3
beqz $at, 3f
/* If the amount to invalidate is as large as or larger than */
/* the instruction cache size, invalidate all */
li t3, ICACHE_SIZE
bgeu a1, t3, 3f
nop
// ensure end address doesn't wrap around and end up smaller
// than the start address
move $t0, $a0
addu $t1, $a0, $a1
sltu $at, $t0, $t1
beqz $at, 2f
/* ensure end address doesn't wrap around and end up smaller */
/* than the start address */
move t0, a0
addu t1, a0, a1
bgeu t0, t1, 2f
nop
// Mask and subtract to align to cache line
andi $t2, $t0, ICACHE_LINEMASK
addiu $t1, $t1, -ICACHE_LINESIZE
subu $t0, $t0, $t2
/* Mask and subtract to align to cache line */
andi t2, t0, ICACHE_LINEMASK
addiu t1, t1, -ICACHE_LINESIZE
subu t0, t0, t2
1:
cache (CACH_PI | C_HINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, $t0, ICACHE_LINESIZE
cache (CACH_PI | C_HINV), (t0)
bltu t0, t1, 1b
addiu t0, t0, ICACHE_LINESIZE
2:
jr $ra
jr ra
nop
3:
li $t0, K0BASE
addu $t1, $t0, $t3
addiu $t1, $t1, -ICACHE_LINESIZE
li t0, K0BASE
addu t1, t0, t3
addiu t1, t1, -ICACHE_LINESIZE
4:
cache (CACH_PI | C_IINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 4b
addiu $t0, ICACHE_LINESIZE
jr $ra
cache (CACH_PI | C_IINV), (t0)
bltu t0, t1, 4b
addiu t0, ICACHE_LINESIZE
jr ra
nop
.set reorder
END(osInvalICache)

53
src/libultra/os/maptlbrdb.s
View file

@ -1,36 +1,31 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
#include "ultra64/rdb.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(osMapTLBRdb)
mfc0 $t0, C0_ENTRYHI
li $t1, NTLBENTRIES
mtc0 $t1, C0_INX
mtc0 $zero, C0_PAGEMASK
li $t2, (TLBLO_UNCACHED | TLBLO_D | TLBLO_V | TLBLO_G)
li $t1, (RDB_BASE_REG & TLBHI_VPN2MASK)
mtc0 $t1, C0_ENTRYHI
// Possible bug? Virtual address instead of physical address
// set as page frame number
li $t1, RDB_BASE_VIRTUAL_ADDR
srl $t3, $t1, TLBLO_PFNSHIFT
or $t3, $t3, $t2
mtc0 $t3, C0_ENTRYLO0
li $t1, TLBLO_G
mtc0 $t1, C0_ENTRYLO1
nop
tlbwi
nop
nop
nop
nop
mtc0 $t0, C0_ENTRYHI
jr $ra
nop
MFC0( t0, C0_ENTRYHI)
li t1, NTLBENTRIES
MTC0( t1, C0_INX)
MTC0( zero, C0_PAGEMASK)
li t2, (TLBLO_UNCACHED | TLBLO_D | TLBLO_V | TLBLO_G)
li t1, (RDB_BASE_REG & TLBHI_VPN2MASK)
MTC0( t1, C0_ENTRYHI)
/* Possible bug? Virtual address instead of physical address set as page frame number */
li t1, RDB_BASE_VIRTUAL_ADDR
srl t3, t1, TLBLO_PFNSHIFT
or t3, t3, t2
MTC0( t3, C0_ENTRYLO0)
li t1, TLBLO_G
MTC0( t1, C0_ENTRYLO1)
NOP
TLBWI
NOP
NOP
NOP
NOP
MTC0( t0, C0_ENTRYHI)
jr ra
END(osMapTLBRdb)

41
src/libultra/os/parameters.s
View file

@ -1,22 +1,29 @@
#include "ultra64/asm.h"
.section .text
.text
.macro IPL_SYMBOL name, address, size
.global \name
.set \name, \address
.type \name, @object
.size \name, \size
.endm
#ifdef __sgi
#define IPL_SYMBOL(name, address, size) \
ABS(name, address)
#else
#define IPL_SYMBOL(name, address, sz) \
ABS(name, address) ;\
.type name, @object ;\
.size name, sz
#endif
IPL_SYMBOL leoBootID, 0x800001A0, 4
IPL_SYMBOL osTvType, 0x80000300, 4
IPL_SYMBOL osRomType, 0x80000304, 4
IPL_SYMBOL osRomBase, 0x80000308, 4
IPL_SYMBOL osResetType, 0x8000030C, 4
IPL_SYMBOL osCicId, 0x80000310, 4
IPL_SYMBOL osVersion, 0x80000314, 4
IPL_SYMBOL osMemSize, 0x80000318, 4
IPL_SYMBOL osAppNMIBuffer, 0x8000031C, 0x40
.fill 0x60
IPL_SYMBOL(leoBootID, 0x800001A0, 4)
IPL_SYMBOL(osTvType, 0x80000300, 4)
IPL_SYMBOL(osRomType, 0x80000304, 4)
IPL_SYMBOL(osRomBase, 0x80000308, 4)
IPL_SYMBOL(osResetType, 0x8000030C, 4)
IPL_SYMBOL(osCicId, 0x80000310, 4)
IPL_SYMBOL(osVersion, 0x80000314, 4)
IPL_SYMBOL(osMemSize, 0x80000318, 4)
IPL_SYMBOL(osAppNMIBuffer, 0x8000031C, 0x40)
.repeat 0x60/4
NOP
.endr

99
src/libultra/os/probetlb.s
View file

@ -1,12 +1,8 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* u32 __osProbeTLB(void* vaddr);
@ -17,70 +13,71 @@
* Returns the physical address if found, or -1 if not found.
*/
LEAF(__osProbeTLB)
// Set C0_ENTRYHI based on supplied vaddr
mfc0 $t0, C0_ENTRYHI
andi $t1, $t0, TLBHI_PIDMASK
li $at, TLBHI_VPN2MASK
and $t2, $a0, $at
or $t1, $t1, $t2
mtc0 $t1, C0_ENTRYHI
.set noreorder
/* Set C0_ENTRYHI based on supplied vaddr */
mfc0 t0, C0_ENTRYHI
and t1, t0, TLBHI_PIDMASK
and t2, a0, TLBHI_VPN2MASK
or t1, t1, t2
mtc0 t1, C0_ENTRYHI
nop
nop
nop
// TLB probe, sets C0_INX to a value matching C0_ENTRYHI.
// If no match is found the TLBINX_PROBE bit is set to indicate this.
/* TLB probe, sets C0_INX to a value matching C0_ENTRYHI. */
/* If no match is found the TLBINX_PROBE bit is set to indicate this. */
tlbp
nop
nop
// Read result
mfc0 $t3, C0_INX
li $at, TLBINX_PROBE
and $t3, $t3, $at
// Branch if no match was found
bnez $t3, 3f
/* Read result */
mfc0 t3, C0_INX
and t3, t3, TLBINX_PROBE
/* Branch if no match was found */
bnez t3, 3f
nop
// Read TLB, sets C0_ENTRYHI, C0_ENTRYLO0, C0_ENTRYLO1 and C0_PAGEMASK for the TLB
// entry indicated by C0_INX
/* Read TLB, sets C0_ENTRYHI, C0_ENTRYLO0, C0_ENTRYLO1 and C0_PAGEMASK for the TLB */
/* entry indicated by C0_INX */
tlbr
nop
nop
nop
// Calculate page size = (page mask + 0x2000) >> 1
mfc0 $t3, C0_PAGEMASK
addi $t3, $t3, 0x2000
srl $t3, $t3, 1
// & with vaddr
and $t4, $t3, $a0
// Select C0_ENTRYLO0 or C0_ENTRYLO1
bnez $t4, 1f
addi $t3, $t3, -1 // make bitmask out of page size
mfc0 $v0, C0_ENTRYLO0
/* Calculate page size = (page mask + 0x2000) >> 1 */
mfc0 t3, C0_PAGEMASK
add t3, t3, 0x2000
srl t3, t3, 1
/* & with vaddr */
and t4, t3, a0
/* Select C0_ENTRYLO0 or C0_ENTRYLO1 */
bnez t4, 1f
add t3, t3, -1 /* make bitmask out of page size */
mfc0 v0, C0_ENTRYLO0
b 2f
nop
1:
mfc0 $v0, C0_ENTRYLO1
mfc0 v0, C0_ENTRYLO1
2:
// Check valid bit and branch if not valid
andi $t5, $v0, TLBLO_V
beqz $t5, 3f
/* Check valid bit and branch if not valid */
and t5, v0, TLBLO_V
beqz t5, 3f
nop
// Extract the Page Frame Number from the entry
li $at, TLBLO_PFNMASK
and $v0, $v0, $at
sll $v0, $v0, TLBLO_PFNSHIFT
// Mask vaddr with page size mask
and $t5, $a0, $t3
// Add masked vaddr to pfn to obtain the physical address
add $v0, $v0, $t5
/* Extract the Page Frame Number from the entry */
and v0, v0, TLBLO_PFNMASK
sll v0, v0, TLBLO_PFNSHIFT
/* Mask vaddr with page size mask */
and t5, a0, t3
/* Add masked vaddr to pfn to obtain the physical address */
add v0, v0, t5
b 4f
nop
3:
// No physical address for the supplied virtual address was found,
// return -1
li $v0, -1
/* No physical address for the supplied virtual address was found, */
/* return -1 */
li v0, -1
4:
// Restore original C0_ENTRYHI value before returning
mtc0 $t0, C0_ENTRYHI
jr $ra
/* Restore original C0_ENTRYHI value before returning */
mtc0 t0, C0_ENTRYHI
jr ra
nop
.set reorder
END(__osProbeTLB)

12
src/libultra/os/setcompare.s
View file

@ -1,14 +1,10 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osSetCompare)
mtc0 $a0, C0_COMPARE
jr $ra
nop
MTC0( a0, C0_COMPARE)
jr ra
END(__osSetCompare)

14
src/libultra/os/setfpccsr.s
View file

@ -1,15 +1,11 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osSetFpcCsr)
cfc1 $v0, C1_FPCSR
ctc1 $a0, C1_FPCSR
jr $ra
nop
CFC1( v0, C1_FPCSR)
CTC1( a0, C1_FPCSR)
jr ra
END(__osSetFpcCsr)

106
src/libultra/os/setintmask.s
View file

@ -1,14 +1,11 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
#include "ultra64/rcp.h"
#include "ultra64/exception.h"
.set noat
.set noreorder
.section .rodata
.balign 16
.rdata
.align 2
/**
* LUT to convert between an interrupt mask value and a value for MI_INTR_MASK_REG.
@ -82,9 +79,7 @@ DATA(__osRcpImTable)
.half MI_INTR_MASK_SET_SP | MI_INTR_MASK_SET_SI | MI_INTR_MASK_SET_AI | MI_INTR_MASK_SET_VI | MI_INTR_MASK_SET_PI | MI_INTR_MASK_SET_DP
ENDDATA(__osRcpImTable)
.section .text
.balign 16
.text
/**
* OSIntMask osSetIntMask(OSIntMask);
@ -113,56 +108,47 @@ ENDDATA(__osRcpImTable)
* OS_IM_ALL, so the operation is usually simply (SR | 0).
*/
LEAF(osSetIntMask)
// Extract interrupt enable bits from current SR
mfc0 $t4, C0_SR
andi $v0, $t4, (SR_IMASK | SR_IE)
// Get value of __OSGlobalIntMask
lui $t0, %hi(__OSGlobalIntMask)
addiu $t0, %lo(__OSGlobalIntMask)
lw $t3, ($t0)
// Bitwise-OR in the disabled CPU bits of __OSGlobalIntMask
li $at, ~0
xor $t0, $t3, $at
andi $t0, $t0, SR_IMASK
or $v0, $v0, $t0
// Fetch MI_INTR_MASK_REG
lui $t2, %hi(PHYS_TO_K1(MI_INTR_MASK_REG))
lw $t2, %lo(PHYS_TO_K1(MI_INTR_MASK_REG))($t2)
// If there are RCP interrupts masked
beqz $t2, 1f
srl $t1, $t3, RCP_IMASKSHIFT
// Bitwise-OR in the disabled RCP bits of __OSGlobalIntMask
li $at, ~0
xor $t1, $t1, $at
andi $t1, $t1, (RCP_IMASK >> RCP_IMASKSHIFT)
or $t2, $t2, $t1
/* Extract interrupt enable bits from current SR */
MFC0( t4, C0_SR)
.set noreorder
and v0, t4, (SR_IMASK | SR_IE)
/* Get value of __OSGlobalIntMask */
la t0, __OSGlobalIntMask
lw t3, (t0)
/* Bitwise-OR in the disabled CPU bits of __OSGlobalIntMask */
xor t0, t3, ~0
and t0, t0, SR_IMASK
or v0, v0, t0
/* Fetch MI_INTR_MASK_REG */
lw t2, PHYS_TO_K1(MI_INTR_MASK_REG)
/* If there are RCP interrupts masked */
beqz t2, 1f
srl t1, t3, RCP_IMASKSHIFT
/* Bitwise-OR in the disabled RCP bits of __OSGlobalIntMask */
xor t1, t1, ~0
and t1, t1, (RCP_IMASK >> RCP_IMASKSHIFT)
or t2, t2, t1
1:
// Shift the RCP bits to not conflict with the CPU bits
sll $t2, $t2, RCP_IMASKSHIFT
// OR the CPU and RCP bits together
or $v0, $v0, $t2
// Extract RCP interrupt enable bits from requested mask and mask with __OSGlobalIntMask
li $at, RCP_IMASK
and $t0, $a0, $at
and $t0, $t0, $t3
// Convert to a value for MI_INTR_MASK_REG and set it
srl $t0, $t0, (RCP_IMASKSHIFT-1)
lui $t2, %hi(__osRcpImTable)
addu $t2, $t2, $t0
lhu $t2, %lo(__osRcpImTable)($t2)
lui $at, %hi(PHYS_TO_K1(MI_INTR_MASK_REG))
sw $t2, %lo(PHYS_TO_K1(MI_INTR_MASK_REG))($at)
// Extract CPU interrupt enable bits from requested mask and mask with __OSGlobalIntMask
andi $t0, $a0, OS_IM_CPU
andi $t1, $t3, SR_IMASK
and $t0, $t0, $t1
li $at, ~SR_IMASK
and $t4, $t4, $at
// Bitwise OR in the remaining bits of SR and set new SR
or $t4, $t4, $t0
mtc0 $t4, C0_SR
nop
nop
jr $ra
nop
/* Shift the RCP bits to not conflict with the CPU bits */
sll t2, t2, RCP_IMASKSHIFT
/* OR the CPU and RCP bits together */
or v0, v0, t2
/* Extract RCP interrupt enable bits from requested mask and mask with __OSGlobalIntMask */
and t0, a0, RCP_IMASK
and t0, t0, t3
/* Convert to a value for MI_INTR_MASK_REG and set it */
srl t0, t0, (RCP_IMASKSHIFT-1)
lhu t2, __osRcpImTable(t0)
sw t2, PHYS_TO_K1(MI_INTR_MASK_REG)
/* Extract CPU interrupt enable bits from requested mask and mask with __OSGlobalIntMask */
and t0, a0, OS_IM_CPU
and t1, t3, SR_IMASK
and t0, t0, t1
and t4, t4, ~SR_IMASK
/* Bitwise OR in the remaining bits of SR and set new SR */
or t4, t4, t0
MTC0( t4, C0_SR)
NOP
NOP
jr ra
END(osSetIntMask)

14
src/libultra/os/setsr.s
View file

@ -1,15 +1,11 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osSetSR)
mtc0 $a0, C0_SR
nop
jr $ra
nop
MTC0( a0, C0_SR)
NOP
jr ra
END(__osSetSR)

14
src/libultra/os/setwatchlo.s
View file

@ -1,15 +1,11 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(__osSetWatchLo)
mtc0 $a0, C0_WATCHLO
nop
jr $ra
nop
MTC0( a0, C0_WATCHLO)
NOP
jr ra
END(__osSetWatchLo)

40
src/libultra/os/unmaptlball.s
View file

@ -1,29 +1,25 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noreorder
.section .text
.balign 16
.text
LEAF(osUnmapTLBAll)
mfc0 $t0, C0_ENTRYHI
li $t1, (NTLBENTRIES - 1)
li $t2, (K0BASE & TLBHI_VPN2MASK)
mtc0 $t2, C0_ENTRYHI
mtc0 $zero, C0_ENTRYLO0
mtc0 $zero, C0_ENTRYLO1
MFC0( t0, C0_ENTRYHI)
li t1, (NTLBENTRIES - 1)
li t2, (K0BASE & TLBHI_VPN2MASK)
MTC0( t2, C0_ENTRYHI)
MTC0( zero, C0_ENTRYLO0)
MTC0( zero, C0_ENTRYLO1)
1:
mtc0 $t1, C0_INX
nop
tlbwi
nop
nop
addi $t1, $t1, -1
bgez $t1, 1b
nop
mtc0 $t0, C0_ENTRYHI
jr $ra
nop
MTC0( t1, C0_INX)
NOP
TLBWI
NOP
NOP
addi t1, t1, -1
bgez t1, 1b
MTC0( t0, C0_ENTRYHI)
jr ra
END(osUnmapTLBAll)

84
src/libultra/os/writebackdcache.s
View file

@ -1,12 +1,8 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
/**
* void osWritebackDCache(void* vaddr, s32 nbytes);
@ -16,45 +12,43 @@
* written back.
*/
LEAF(osWritebackDCache)
// If the amount to write back is less than or equal to 0, return immediately
blez $a1, .ret
nop
// If the amount to write back is as large as or larger than
// the data cache size, write back all
li $t3, DCACHE_SIZE
sltu $at, $a1, $t3
beqz $at, .all
nop
// ensure end address doesn't wrap around and end up smaller
// than the start address
move $t0, $a0
addu $t1, $a0, $a1
sltu $at, $t0, $t1
beqz $at, .ret
nop
// Mask and subtract to align to cache line
andi $t2, $t0, DCACHE_LINEMASK
addiu $t1, $t1, -DCACHE_LINESIZE
subu $t0, $t0, $t2
1:
cache (CACH_PD | C_HWB), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, $t0, DCACHE_LINESIZE
.ret:
jr $ra
nop
/* If the amount to write back is less than or equal to 0, return immediately */
blez a1, .ret
// same as osWritebackDCacheAll in operation
.all:
li $t0, K0BASE
addu $t1, $t0, $t3
addiu $t1, $t1, -DCACHE_LINESIZE
/* If the amount to write back is as large as or larger than */
/* the data cache size, write back all */
li t3, DCACHE_SIZE
bgeu a1, t3, .all
/* ensure end address doesn't wrap around and end up smaller */
/* than the start address */
move t0, a0
addu t1, a0, a1
bgeu t0, t1, .ret
/* Mask and subtract to align to cache line */
andi t2, t0, DCACHE_LINEMASK
addiu t1, t1, -DCACHE_LINESIZE
subu t0, t0, t2
1:
cache (CACH_PD | C_IWBINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, DCACHE_LINESIZE
jr $ra
nop
.set noreorder
cache (CACH_PD | C_HWB), (t0)
bltu t0, t1, 1b
addiu t0, t0, DCACHE_LINESIZE
.set reorder
.ret:
jr ra
/* same as osWritebackDCacheAll in operation */
.all:
li t0, K0BASE
addu t1, t0, t3
addiu t1, t1, -DCACHE_LINESIZE
1:
.set noreorder
cache (CACH_PD | C_IWBINV), (t0)
bltu t0, t1, 1b
addiu t0, DCACHE_LINESIZE
.set reorder
jr ra
END(osWritebackDCache)

28
src/libultra/os/writebackdcacheall.s
View file

@ -1,23 +1,19 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "ultra64/R4300.h"
.set noat
.set noreorder
.section .text
.balign 16
.text
LEAF(osWritebackDCacheAll)
li $t0, K0BASE
li $t2, DCACHE_SIZE
addu $t1, $t0, $t2
addiu $t1, $t1, -DCACHE_LINESIZE
li t0, K0BASE
li t2, DCACHE_SIZE
addu t1, t0, t2
addiu t1, t1, -DCACHE_LINESIZE
1:
cache (CACH_PD | C_IWBINV), ($t0)
sltu $at, $t0, $t1
bnez $at, 1b
addiu $t0, DCACHE_LINESIZE
jr $ra
nop
.set noreorder
cache (CACH_PD | C_IWBINV), (t0)
bltu t0, t1, 1b
addiu t0, DCACHE_LINESIZE
.set reorder
jr ra
END(osWritebackDCacheAll)

58
src/makerom/entry.s
View file

@ -1,34 +1,44 @@
#include "ultra64/asm.h"
#include "ultra64/regdef.h"
#include "boot.h"
.set noreorder
.text
.section .text
.balign 16
#if defined(__sgi) && !defined(AVOID_UB)
/* IDO assembler workaround: The makerom tool in the N64 SDK was given the bss segment size as a const
* literal, and since this literal was < 0x10000 it was loaded in one instruction. We don't have access
* to the bss segment size until we link everything so we cannot do the same thing. Instead we must load
* only the lower 16 bits of the bss size for matching.
* When AVOID_UB is enabled, don't do this and instead load the full symbol value, otherwise not all of
* bss may be cleared. */
#define LOAD_BSS_SIZE(reg) li reg, %half(_bootSegmentBssSize)
#else
#define LOAD_BSS_SIZE(reg) la reg, _bootSegmentBssSize
#endif
LEAF(entrypoint)
// Clear boot segment .bss
la $t0, _bootSegmentBssStart
#ifndef AVOID_UB
// UB: li only loads the lower 16 bits of _bootSegmentBssSize when it may be larger than this,
// so not all of bss may be cleared if it is too large
li $t1, _bootSegmentBssSize
#else
la $t1, _bootSegmentBssSize
#endif
/* Clear boot segment .bss */
la t0, _bootSegmentBssStart
LOAD_BSS_SIZE(t1)
.clear_bss:
addi $t1, $t1, -8
sw $zero, ($t0)
sw $zero, 4($t0)
bnez $t1, .clear_bss
addi $t0, $t0, 8
// Set up stack and enter program code
lui $t2, %hi(bootproc)
lui $sp, %hi(sBootThreadStack + BOOT_STACK_SIZE)
addiu $t2, %lo(bootproc)
jr $t2
addiu $sp, %lo(sBootThreadStack + BOOT_STACK_SIZE)
sw zero, 0(t0)
sw zero, 4(t0)
addi t0, t0, 8
addi t1, t1, -8
bnez t1, .clear_bss
/* Set up stack and enter program code */
la sp, sBootThreadStack + BOOT_STACK_SIZE
la t2, bootproc
jr t2
END(entrypoint)
#ifdef __GNUC__
/* Pad to a total size of 0x60 */
.fill 0x60 - (. - entrypoint)
#else
/* IDO can't take absolute differences of symbols.. */
.repeat (0x60 - 0x34)
.byte 0
.endr
#endif

4
src/makerom/ipl3.s
View file

@ -1,4 +0,0 @@
.section .text
.incbin "incbin/ipl3"