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oot/asm/osMapTLBRdb.s

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Improve the state of handwritten assembly files (#865) * Format all handwritten asm and document some * Use c preprocessor for constants * Fix * Fix PI_STATUS_ERROR, some label improvements * Avoid hi/lo for constants * Some more comments * Properly mark functions as functions and their sizes * Fix merge * Improvements * Review suggestions, rework procedure start/end macros to be more like libreultra * Move IPL3 symbol definitions into ipl3.s * Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h * Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly * Add -no-pad-sections assembler option and clean up alignment in gu files and bzero * Further suggestions and improvements * Matrix conversion function clarifications * Fix passing AVOID_UB to gcc * Suggestions * Suggestions, global interrupt mask improvements * Further suggestions, interrupt mask comments * Comments fixes, rdb.h * Switch from # comments to // comments, remove unnecesary .set gp=64 directives * Further review suggestions * Missed one
2022-04-30 23:03:22 +00:00
#include "ultra64/asm.h"
#include "ultra64/r4300.h"
#include "ultra64/rdb.h"
First proper commit.
2020-03-17 04:31:30 +00:00
Improve the state of handwritten assembly files (#865) * Format all handwritten asm and document some * Use c preprocessor for constants * Fix * Fix PI_STATUS_ERROR, some label improvements * Avoid hi/lo for constants * Some more comments * Properly mark functions as functions and their sizes * Fix merge * Improvements * Review suggestions, rework procedure start/end macros to be more like libreultra * Move IPL3 symbol definitions into ipl3.s * Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h * Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly * Add -no-pad-sections assembler option and clean up alignment in gu files and bzero * Further suggestions and improvements * Matrix conversion function clarifications * Fix passing AVOID_UB to gcc * Suggestions * Suggestions, global interrupt mask improvements * Further suggestions, interrupt mask comments * Comments fixes, rdb.h * Switch from # comments to // comments, remove unnecesary .set gp=64 directives * Further review suggestions * Missed one
2022-04-30 23:03:22 +00:00
.set noat
.set noreorder
First proper commit.
2020-03-17 04:31:30 +00:00
.section .text
Properly align asm & data (+ minor fixes) (#165) * Add .align 4 directives to all data/ files (+ minor alignment fixes) * Use .balign for everything and fix typo
2020-05-26 22:09:00 +00:00
.balign 16
First proper commit.
2020-03-17 04:31:30 +00:00
Improve the state of handwritten assembly files (#865) * Format all handwritten asm and document some * Use c preprocessor for constants * Fix * Fix PI_STATUS_ERROR, some label improvements * Avoid hi/lo for constants * Some more comments * Properly mark functions as functions and their sizes * Fix merge * Improvements * Review suggestions, rework procedure start/end macros to be more like libreultra * Move IPL3 symbol definitions into ipl3.s * Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h * Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly * Add -no-pad-sections assembler option and clean up alignment in gu files and bzero * Further suggestions and improvements * Matrix conversion function clarifications * Fix passing AVOID_UB to gcc * Suggestions * Suggestions, global interrupt mask improvements * Further suggestions, interrupt mask comments * Comments fixes, rdb.h * Switch from # comments to // comments, remove unnecesary .set gp=64 directives * Further review suggestions * Missed one
2022-04-30 23:03:22 +00:00
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
END(osMapTLBRdb)
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