mirror of
https://github.com/zeldaret/oot.git
synced 2024-11-13 04:39:36 +00:00
Rework handling of dmadata (#1036)
* Generate dmadata * Remove tab indentations in mkdmadata.c and mkldscript.c * Fix * Review suggestions * Hopefully fix * Fix index Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
This commit is contained in:
parent
783ef3a117
commit
04a9d51e90
13 changed files with 2034 additions and 3438 deletions
15
Makefile
15
Makefile
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@ -71,6 +71,7 @@ CC_CHECK := gcc -fno-builtin -fsyntax-only -fsigned-char -std=gnu90 -D _LANGUA
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CPP := cpp
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MKLDSCRIPT := tools/mkldscript
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MKDMADATA := tools/mkdmadata
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ELF2ROM := tools/elf2rom
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ZAPD := tools/ZAPD/ZAPD.out
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@ -172,9 +173,11 @@ $(ROM): $(ELF)
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$(ELF): $(TEXTURE_FILES_OUT) $(ASSET_FILES_OUT) $(O_FILES) build/ldscript.txt build/undefined_syms.txt
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$(LD) -T build/undefined_syms.txt -T build/ldscript.txt --no-check-sections --accept-unknown-input-arch --emit-relocs -Map build/z64.map -o $@
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build/ldscript.txt: $(SPEC)
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$(CPP) $(CPPFLAGS) $< > build/spec
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$(MKLDSCRIPT) build/spec $@
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build/$(SPEC): $(SPEC)
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$(CPP) $(CPPFLAGS) $< > $@
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build/ldscript.txt: build/$(SPEC)
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$(MKLDSCRIPT) $< $@
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build/undefined_syms.txt: undefined_syms.txt
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$(CPP) $(CPPFLAGS) $< > build/undefined_syms.txt
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@ -227,6 +230,12 @@ build/assets/%.o: assets/%.c
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$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
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$(OBJCOPY) -O binary $@ $@.bin
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build/dmadata_table_spec.h: build/$(SPEC)
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$(MKDMADATA) $< $@
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build/src/boot/z_std_dma.o: build/dmadata_table_spec.h
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build/src/dmadata/dmadata.o: build/dmadata_table_spec.h
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build/src/overlays/%.o: src/overlays/%.c
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$(CC) -c $(CFLAGS) $(MIPS_VERSION) $(OPTFLAGS) -o $@ $<
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$(CC_CHECK) $<
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1545
asm/dmadata.s
1545
asm/dmadata.s
File diff suppressed because it is too large
Load diff
9
include/tables/dmadata_table.h
Normal file
9
include/tables/dmadata_table.h
Normal file
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@ -0,0 +1,9 @@
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/**
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* Select dmadata table for version
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*/
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#ifdef NON_MATCHING
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// For non-matching builds, dmadata is generated from the specfile segments
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#include "dmadata_table_spec.h"
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#else
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#include "tables/dmadata_table_mqdbg.h"
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#endif
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1535
include/tables/dmadata_table_mqdbg.h
Normal file
1535
include/tables/dmadata_table_mqdbg.h
Normal file
File diff suppressed because it is too large
Load diff
2
spec
2
spec
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@ -113,7 +113,7 @@ endseg
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beginseg
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name "dmadata"
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include "build/asm/dmadata.o"
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include "build/src/dmadata/dmadata.o"
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endseg
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beginseg
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1540
src/boot/z_std_dma.c
1540
src/boot/z_std_dma.c
File diff suppressed because it is too large
Load diff
24
src/dmadata/dmadata.c
Normal file
24
src/dmadata/dmadata.c
Normal file
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@ -0,0 +1,24 @@
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#include "z64dma.h"
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// Linker symbol declarations (used in the table below)
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#define DEFINE_DMA_ENTRY(name) \
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extern u8 _##name##SegmentRomStart[]; \
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extern u8 _##name##SegmentRomEnd[];
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#include "tables/dmadata_table.h"
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#undef DEFINE_DMA_ENTRY
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// dmadata Table definition
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#define DEFINE_DMA_ENTRY(name) \
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{ (u32)_##name##SegmentRomStart, (u32)_##name##SegmentRomEnd, (u32)_##name##SegmentRomStart, 0 },
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DmaEntry gDmaDataTable[] = {
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#include "tables/dmadata_table.h"
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{ 0 },
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};
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#undef DEFINE_DMA_ENTRY
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// Additional padding?
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u8 sDmaDataPadding[0xF0] = { 0 };
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5
tools/.gitignore
vendored
5
tools/.gitignore
vendored
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@ -1,9 +1,10 @@
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# Output files
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*.exe
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yaz0
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makeromfs
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elf2rom
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makeromfs
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mkdmadata
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mkldscript
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vtxdis
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yaz0
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graphovl/
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@ -1,5 +1,5 @@
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CFLAGS := -Wall -Wextra -pedantic -std=c99 -g -O2
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PROGRAMS := yaz0 makeromfs elf2rom mkldscript vtxdis
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PROGRAMS := elf2rom makeromfs mkdmadata mkldscript vtxdis yaz0
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ifeq ($(shell command -v clang >/dev/null 2>&1; echo $$?),0)
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CC := clang
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@ -28,11 +28,12 @@ distclean: clean
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.PHONY: all clean distclean
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mkldscript_SOURCES := mkldscript.c util.c
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elf2rom_SOURCES := elf2rom.c elf32.c n64chksum.c util.c
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yaz0_SOURCES := yaz0tool.c yaz0.c util.c
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makeromfs_SOURCES := makeromfs.c n64chksum.c util.c
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vtxdis_SOURCES := vtxdis.c
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mkdmadata_SOURCES := mkdmadata.c spec.c util.c
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mkldscript_SOURCES := mkldscript.c spec.c util.c
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vtxdis_SOURCES := vtxdis.c
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yaz0_SOURCES := yaz0tool.c yaz0.c util.c
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define COMPILE =
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$(1): $($1_SOURCES)
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55
tools/mkdmadata.c
Normal file
55
tools/mkdmadata.c
Normal file
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@ -0,0 +1,55 @@
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "spec.h"
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#include "util.h"
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struct Segment* g_segments;
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int g_segmentsCount;
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static void write_dmadata_table(FILE *fout)
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{
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int i;
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for (i = 0; i < g_segmentsCount; i++)
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fprintf(fout, "DEFINE_DMA_ENTRY(%s)\n", g_segments[i].name);
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}
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static void usage(const char *execname)
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{
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fprintf(stderr, "zelda64 dmadata generation tool v0.01\n"
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"usage: %s SPEC_FILE DMADATA_TABLE\n"
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"SPEC_FILE file describing the organization of object files into segments\n"
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"DMADATA_TABLE filename of output dmadata table header\n",
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execname);
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}
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int main(int argc, char **argv)
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{
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FILE *dmaout;
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void *spec;
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size_t size;
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if (argc != 3)
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{
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usage(argv[0]);
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return 1;
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}
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spec = util_read_whole_file(argv[1], &size);
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parse_rom_spec(spec, &g_segments, &g_segmentsCount);
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dmaout = fopen(argv[2], "w");
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if (dmaout == NULL)
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util_fatal_error("failed to open file '%s' for writing", argv[2]);
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write_dmadata_table(dmaout);
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fclose(dmaout);
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free(spec);
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return 0;
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}
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@ -6,325 +6,13 @@
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#include <stdlib.h>
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#include <string.h>
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#include "spec.h"
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#include "util.h"
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#define ARRAY_COUNT(arr) (sizeof(arr) / sizeof(arr[0]))
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struct Segment *g_segments;
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int g_segmentsCount;
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static FILE *fout;
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enum
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{
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STMT_address,
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STMT_after,
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STMT_align,
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STMT_beginseg,
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STMT_endseg,
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STMT_entry,
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STMT_flags,
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STMT_include,
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STMT_include_data_with_rodata,
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STMT_name,
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STMT_number,
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STMT_romalign,
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STMT_stack,
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STMT_increment,
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STMT_pad_text,
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};
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enum
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{
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FLAG_BOOT = (1 << 0),
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FLAG_OBJECT = (1 << 1),
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FLAG_RAW = (1 << 2),
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};
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struct Include
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{
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char *fpath;
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int linkerPadding;
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uint8_t dataWithRodata;
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};
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struct Segment
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{
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uint32_t fields;
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char *name;
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char *after;
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uint32_t flags;
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uint32_t address;
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uint32_t stack;
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uint32_t align;
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uint32_t romalign;
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uint32_t increment;
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uint32_t entry;
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uint32_t number;
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struct Include *includes;
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int includesCount;
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};
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static struct Segment *g_segments = NULL;
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static int g_segmentsCount = 0;
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static struct Segment *add_segment(void)
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{
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struct Segment *seg;
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g_segmentsCount++;
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g_segments = realloc(g_segments, g_segmentsCount * sizeof(*g_segments));
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seg = &g_segments[g_segmentsCount - 1];
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memset(seg, 0, sizeof(*seg));
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seg->align = 16;
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return seg;
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}
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static char *skip_whitespace(char *str)
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{
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while (isspace(*str))
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str++;
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return str;
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}
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// null terminates the current token and returns a pointer to the next token
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static char *token_split(char *str)
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{
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while (!isspace(*str))
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{
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if (*str == 0)
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return str; // end of string
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str++;
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}
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*str = 0; // terminate token
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str++;
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return skip_whitespace(str);
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}
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// null terminates the current line and returns a pointer to the next line
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static char *line_split(char *str)
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{
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while (*str != '\n')
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{
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if (*str == 0)
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return str; // end of string
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str++;
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}
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*str = 0; // terminate line
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return str + 1;
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}
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static bool parse_number(const char *str, unsigned int *num)
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{
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char *endptr;
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long int n = strtol(str, &endptr, 0);
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*num = n;
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return endptr > str;
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}
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static bool parse_flags(char *str, unsigned int *flags)
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{
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unsigned int f = 0;
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while (str[0] != 0)
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{
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char *next = token_split(str);
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if (strcmp(str, "BOOT") == 0)
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f |= FLAG_BOOT;
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else if (strcmp(str, "OBJECT") == 0)
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f |= FLAG_OBJECT;
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else if (strcmp(str, "RAW") == 0)
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f |= FLAG_RAW;
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else
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return false;
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str = next;
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}
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*flags = f;
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return true;
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}
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static bool parse_quoted_string(char *str, char **out)
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{
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if (*str != '"')
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return false;
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str++;
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*out = str;
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while (*str != '"')
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{
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if (*str == 0)
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return false; // unterminated quote
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str++;
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}
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*str = 0;
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str++;
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str = skip_whitespace(str);
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if (*str != 0)
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return false; // garbage after filename
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return true;
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}
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static bool is_pow_of_2(unsigned int n)
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{
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return (n & (n - 1)) == 0;
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}
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static const char *const stmtNames[] =
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{
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[STMT_address] = "address",
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[STMT_after] = "after",
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[STMT_align] = "align",
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[STMT_beginseg] = "beginseg",
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[STMT_endseg] = "endseg",
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[STMT_entry] = "entry",
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[STMT_flags] = "flags",
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[STMT_include] = "include",
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[STMT_include_data_with_rodata] = "include_data_with_rodata",
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[STMT_name] = "name",
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[STMT_number] = "number",
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[STMT_romalign] = "romalign",
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[STMT_stack] = "stack",
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[STMT_increment] = "increment",
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[STMT_pad_text] = "pad_text",
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};
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static void parse_rom_spec(char *spec)
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{
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int lineNum = 1;
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char *line = spec;
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struct Segment *currSeg = NULL;
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// iterate over lines
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while (line[0] != 0)
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{
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char *nextLine = line_split(line);
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char* stmtName;
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if (line[0] != 0)
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{
|
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stmtName = skip_whitespace(line);
|
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}
|
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|
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if (line[0] != 0 && stmtName[0] != 0)
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{
|
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char *args = token_split(stmtName);
|
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unsigned int stmt;
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for (stmt = 0; stmt < ARRAY_COUNT(stmtNames); stmt++)
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if (strcmp(stmtName, stmtNames[stmt]) == 0)
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goto got_stmt;
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util_fatal_error("line %i: unknown statement '%s'", lineNum, stmtName);
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got_stmt:
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|
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if (currSeg != NULL)
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{
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// ensure no duplicates (except for 'include' or 'pad_text')
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if (stmt != STMT_include && stmt != STMT_include_data_with_rodata && stmt != STMT_pad_text &&
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(currSeg->fields & (1 << stmt)))
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util_fatal_error("line %i: duplicate '%s' statement", lineNum, stmtName);
|
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|
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currSeg->fields |= 1 << stmt;
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// statements valid within a segment definition
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switch (stmt)
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{
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case STMT_beginseg:
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util_fatal_error("line %i: '%s' inside of a segment definition", lineNum, stmtName);
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break;
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case STMT_endseg:
|
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// verify segment data
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if (currSeg->name == NULL)
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util_fatal_error("line %i: no name specified for segment", lineNum);
|
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if (currSeg->includesCount == 0)
|
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util_fatal_error("line %i: no includes specified for segment", lineNum);
|
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currSeg = NULL;
|
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break;
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case STMT_name:
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if (!parse_quoted_string(args, &currSeg->name))
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util_fatal_error("line %i: invalid name", lineNum);
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break;
|
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case STMT_after:
|
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if (!parse_quoted_string(args, &currSeg->after))
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util_fatal_error("line %i: invalid name for 'after'", lineNum);
|
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break;
|
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case STMT_address:
|
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if (!parse_number(args, &currSeg->address))
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util_fatal_error("line %i: expected number after 'address'", lineNum);
|
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break;
|
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case STMT_number:
|
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if (!parse_number(args, &currSeg->number))
|
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util_fatal_error("line %i: expected number after 'number'", lineNum);
|
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break;
|
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case STMT_flags:
|
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if (!parse_flags(args, &currSeg->flags))
|
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util_fatal_error("line %i: invalid flags", lineNum);
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break;
|
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case STMT_align:
|
||||
if (!parse_number(args, &currSeg->align))
|
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util_fatal_error("line %i: expected number after 'align'", lineNum);
|
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if (!is_pow_of_2(currSeg->align))
|
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util_fatal_error("line %i: alignment is not a power of two", lineNum);
|
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break;
|
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case STMT_romalign:
|
||||
if (!parse_number(args, &currSeg->romalign))
|
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util_fatal_error("line %i: expected number after 'romalign'", lineNum);
|
||||
if (!is_pow_of_2(currSeg->romalign))
|
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util_fatal_error("line %i: alignment is not a power of two", lineNum);
|
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break;
|
||||
case STMT_include:
|
||||
case STMT_include_data_with_rodata:
|
||||
currSeg->includesCount++;
|
||||
currSeg->includes = realloc(currSeg->includes, currSeg->includesCount * sizeof(*currSeg->includes));
|
||||
|
||||
if (!parse_quoted_string(args, &currSeg->includes[currSeg->includesCount - 1].fpath))
|
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util_fatal_error("line %i: invalid filename", lineNum);
|
||||
|
||||
currSeg->includes[currSeg->includesCount - 1].linkerPadding = 0;
|
||||
currSeg->includes[currSeg->includesCount - 1].dataWithRodata = (stmt == STMT_include_data_with_rodata);
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break;
|
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case STMT_increment:
|
||||
if (!parse_number(args, &currSeg->increment))
|
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util_fatal_error("line %i: expected number after 'increment'", lineNum);
|
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break;
|
||||
case STMT_pad_text:
|
||||
currSeg->includes[currSeg->includesCount - 1].linkerPadding += 0x10;
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "warning: '%s' is not implemented\n", stmtName);
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// commands valid outside a segment definition
|
||||
switch (stmt)
|
||||
{
|
||||
case STMT_beginseg:
|
||||
currSeg = add_segment();
|
||||
break;
|
||||
case STMT_endseg:
|
||||
util_fatal_error("line %i: '%s' outside of a segment definition", lineNum, stmtName);
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "warning: '%s' is not implemented\n", stmtName);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
line = nextLine;
|
||||
lineNum++;
|
||||
}
|
||||
}
|
||||
|
||||
static void write_ld_script(void)
|
||||
static void write_ld_script(FILE *fout)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
|
@ -436,14 +124,14 @@ static void write_ld_script(void)
|
|||
|
||||
fprintf(fout, " _%sSegmentSDataEnd = .;\n", seg->name);
|
||||
|
||||
fprintf(fout, " _%sSegmentOvlStart = .;\n", seg->name);
|
||||
fprintf(fout, " _%sSegmentOvlStart = .;\n", seg->name);
|
||||
|
||||
for (j = 0; j < seg->includesCount; j++)
|
||||
fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
|
||||
for (j = 0; j < seg->includesCount; j++)
|
||||
fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
|
||||
|
||||
fprintf(fout, " . = ALIGN(0x10);\n");
|
||||
fprintf(fout, " . = ALIGN(0x10);\n");
|
||||
|
||||
fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
|
||||
fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
|
||||
|
||||
if (seg->fields & (1 << STMT_increment))
|
||||
fprintf(fout, " . += 0x%08X;\n", seg->increment);
|
||||
|
@ -489,20 +177,20 @@ static void write_ld_script(void)
|
|||
//if (seg->fields & (1 << STMT_increment))
|
||||
//fprintf(fout, " . += 0x%08X;\n", seg->increment);
|
||||
|
||||
//fprintf(fout, " ..%s.ovl ADDR(..%s) + SIZEOF(..%s) :\n"
|
||||
// /*" ..%s.bss :\n"*/
|
||||
// " {\n",
|
||||
// seg->name, seg->name, seg->name);
|
||||
//fprintf(fout, " _%sSegmentOvlStart = .;\n", seg->name);
|
||||
//fprintf(fout, " ..%s.ovl ADDR(..%s) + SIZEOF(..%s) :\n"
|
||||
// /*" ..%s.bss :\n"*/
|
||||
// " {\n",
|
||||
// seg->name, seg->name, seg->name);
|
||||
//fprintf(fout, " _%sSegmentOvlStart = .;\n", seg->name);
|
||||
|
||||
//for (j = 0; j < seg->includesCount; j++)
|
||||
// fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
|
||||
//for (j = 0; j < seg->includesCount; j++)
|
||||
// fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
|
||||
|
||||
////fprintf(fout, " . = ALIGN(0x10);\n");
|
||||
////fprintf(fout, " . = ALIGN(0x10);\n");
|
||||
|
||||
//fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
|
||||
//fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
|
||||
|
||||
//fprintf(fout, "\n }\n");
|
||||
//fprintf(fout, "\n }\n");
|
||||
}
|
||||
|
||||
|
||||
|
@ -511,32 +199,35 @@ static void write_ld_script(void)
|
|||
|
||||
static void usage(const char *execname)
|
||||
{
|
||||
fprintf(stderr, "Nintendo 64 linker script generation tool v0.01\n"
|
||||
fprintf(stderr, "Nintendo 64 linker script generation tool v0.02\n"
|
||||
"usage: %s SPEC_FILE LD_SCRIPT\n"
|
||||
"SPEC_FILE file describing the organization of object files into segments\n"
|
||||
"LD_SCRIPT filename of output linker script\n",
|
||||
"SPEC_FILE file describing the organization of object files into segments\n"
|
||||
"LD_SCRIPT filename of output linker script\n",
|
||||
execname);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
void *spec;
|
||||
size_t size;
|
||||
FILE *ldout;
|
||||
void *spec;
|
||||
size_t size;
|
||||
|
||||
if (argc != 3)
|
||||
{
|
||||
usage(argv[0]);
|
||||
return 1;
|
||||
}
|
||||
if (argc != 3)
|
||||
{
|
||||
usage(argv[0]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
spec = util_read_whole_file(argv[1], &size);
|
||||
parse_rom_spec(spec);
|
||||
fout = fopen(argv[2], "w");
|
||||
if (fout == NULL)
|
||||
util_fatal_error("failed to open file '%s' for writing", argv[2]);
|
||||
write_ld_script();
|
||||
free(spec);
|
||||
fclose(fout);
|
||||
spec = util_read_whole_file(argv[1], &size);
|
||||
parse_rom_spec(spec, &g_segments, &g_segmentsCount);
|
||||
|
||||
return 0;
|
||||
ldout = fopen(argv[2], "w");
|
||||
if (ldout == NULL)
|
||||
util_fatal_error("failed to open file '%s' for writing", argv[2]);
|
||||
write_ld_script(ldout);
|
||||
fclose(ldout);
|
||||
|
||||
free(spec);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
284
tools/spec.c
Normal file
284
tools/spec.c
Normal file
|
@ -0,0 +1,284 @@
|
|||
#include <ctype.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "util.h"
|
||||
#include "spec.h"
|
||||
|
||||
#define ARRAY_COUNT(arr) (sizeof(arr) / sizeof(arr[0]))
|
||||
|
||||
static struct Segment *add_segment(struct Segment **segments, int *segments_count)
|
||||
{
|
||||
struct Segment *seg;
|
||||
|
||||
(*segments_count)++;
|
||||
*segments = realloc(*segments, *segments_count * sizeof(**segments));
|
||||
|
||||
seg = &(*segments)[*segments_count - 1];
|
||||
memset(seg, 0, sizeof(*seg));
|
||||
|
||||
seg->align = 16;
|
||||
|
||||
return seg;
|
||||
}
|
||||
|
||||
static char *skip_whitespace(char *str)
|
||||
{
|
||||
while (isspace(*str))
|
||||
str++;
|
||||
return str;
|
||||
}
|
||||
|
||||
// null terminates the current token and returns a pointer to the next token
|
||||
static char *token_split(char *str)
|
||||
{
|
||||
while (!isspace(*str))
|
||||
{
|
||||
if (*str == 0)
|
||||
return str; // end of string
|
||||
str++;
|
||||
}
|
||||
*str = 0; // terminate token
|
||||
str++;
|
||||
|
||||
return skip_whitespace(str);
|
||||
}
|
||||
|
||||
// null terminates the current line and returns a pointer to the next line
|
||||
static char *line_split(char *str)
|
||||
{
|
||||
while (*str != '\n')
|
||||
{
|
||||
if (*str == 0)
|
||||
return str; // end of string
|
||||
str++;
|
||||
}
|
||||
*str = 0; // terminate line
|
||||
return str + 1;
|
||||
}
|
||||
|
||||
static bool parse_number(const char *str, unsigned int *num)
|
||||
{
|
||||
char *endptr;
|
||||
long int n = strtol(str, &endptr, 0);
|
||||
*num = n;
|
||||
return endptr > str;
|
||||
}
|
||||
|
||||
static bool parse_flags(char *str, unsigned int *flags)
|
||||
{
|
||||
unsigned int f = 0;
|
||||
|
||||
while (str[0] != 0)
|
||||
{
|
||||
char *next = token_split(str);
|
||||
|
||||
if (strcmp(str, "BOOT") == 0)
|
||||
f |= FLAG_BOOT;
|
||||
else if (strcmp(str, "OBJECT") == 0)
|
||||
f |= FLAG_OBJECT;
|
||||
else if (strcmp(str, "RAW") == 0)
|
||||
f |= FLAG_RAW;
|
||||
else
|
||||
return false;
|
||||
|
||||
str = next;
|
||||
}
|
||||
*flags = f;
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool parse_quoted_string(char *str, char **out)
|
||||
{
|
||||
if (*str != '"')
|
||||
return false;
|
||||
|
||||
str++;
|
||||
*out = str;
|
||||
|
||||
while (*str != '"')
|
||||
{
|
||||
if (*str == 0)
|
||||
return false; // unterminated quote
|
||||
str++;
|
||||
}
|
||||
*str = 0;
|
||||
str++;
|
||||
|
||||
str = skip_whitespace(str);
|
||||
if (*str != 0)
|
||||
return false; // garbage after filename
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool is_pow_of_2(unsigned int n)
|
||||
{
|
||||
return (n & (n - 1)) == 0;
|
||||
}
|
||||
|
||||
static const char *const stmtNames[] =
|
||||
{
|
||||
[STMT_address] = "address",
|
||||
[STMT_after] = "after",
|
||||
[STMT_align] = "align",
|
||||
[STMT_beginseg] = "beginseg",
|
||||
[STMT_endseg] = "endseg",
|
||||
[STMT_entry] = "entry",
|
||||
[STMT_flags] = "flags",
|
||||
[STMT_include] = "include",
|
||||
[STMT_include_data_with_rodata] = "include_data_with_rodata",
|
||||
[STMT_name] = "name",
|
||||
[STMT_number] = "number",
|
||||
[STMT_romalign] = "romalign",
|
||||
[STMT_stack] = "stack",
|
||||
[STMT_increment] = "increment",
|
||||
[STMT_pad_text] = "pad_text",
|
||||
};
|
||||
|
||||
void parse_rom_spec(char *spec, struct Segment **segments, int *segment_count)
|
||||
{
|
||||
int lineNum = 1;
|
||||
char *line = spec;
|
||||
|
||||
struct Segment *currSeg = NULL;
|
||||
|
||||
// iterate over lines
|
||||
while (line[0] != 0)
|
||||
{
|
||||
char *nextLine = line_split(line);
|
||||
char* stmtName;
|
||||
|
||||
if (line[0] != 0)
|
||||
{
|
||||
stmtName = skip_whitespace(line);
|
||||
}
|
||||
|
||||
if (line[0] != 0 && stmtName[0] != 0)
|
||||
{
|
||||
char *args = token_split(stmtName);
|
||||
unsigned int stmt;
|
||||
|
||||
for (stmt = 0; stmt < ARRAY_COUNT(stmtNames); stmt++)
|
||||
if (strcmp(stmtName, stmtNames[stmt]) == 0)
|
||||
goto got_stmt;
|
||||
util_fatal_error("line %i: unknown statement '%s'", lineNum, stmtName);
|
||||
got_stmt:
|
||||
|
||||
if (currSeg != NULL)
|
||||
{
|
||||
// ensure no duplicates (except for 'include' or 'pad_text')
|
||||
if (stmt != STMT_include && stmt != STMT_include_data_with_rodata && stmt != STMT_pad_text &&
|
||||
(currSeg->fields & (1 << stmt)))
|
||||
util_fatal_error("line %i: duplicate '%s' statement", lineNum, stmtName);
|
||||
|
||||
currSeg->fields |= 1 << stmt;
|
||||
|
||||
// statements valid within a segment definition
|
||||
switch (stmt)
|
||||
{
|
||||
case STMT_beginseg:
|
||||
util_fatal_error("line %i: '%s' inside of a segment definition", lineNum, stmtName);
|
||||
break;
|
||||
case STMT_endseg:
|
||||
// verify segment data
|
||||
if (currSeg->name == NULL)
|
||||
util_fatal_error("line %i: no name specified for segment", lineNum);
|
||||
if (currSeg->includesCount == 0)
|
||||
util_fatal_error("line %i: no includes specified for segment", lineNum);
|
||||
currSeg = NULL;
|
||||
break;
|
||||
case STMT_name:
|
||||
if (!parse_quoted_string(args, &currSeg->name))
|
||||
util_fatal_error("line %i: invalid name", lineNum);
|
||||
break;
|
||||
case STMT_after:
|
||||
if (!parse_quoted_string(args, &currSeg->after))
|
||||
util_fatal_error("line %i: invalid name for 'after'", lineNum);
|
||||
break;
|
||||
case STMT_address:
|
||||
if (!parse_number(args, &currSeg->address))
|
||||
util_fatal_error("line %i: expected number after 'address'", lineNum);
|
||||
break;
|
||||
case STMT_number:
|
||||
if (!parse_number(args, &currSeg->number))
|
||||
util_fatal_error("line %i: expected number after 'number'", lineNum);
|
||||
break;
|
||||
case STMT_flags:
|
||||
if (!parse_flags(args, &currSeg->flags))
|
||||
util_fatal_error("line %i: invalid flags", lineNum);
|
||||
break;
|
||||
case STMT_align:
|
||||
if (!parse_number(args, &currSeg->align))
|
||||
util_fatal_error("line %i: expected number after 'align'", lineNum);
|
||||
if (!is_pow_of_2(currSeg->align))
|
||||
util_fatal_error("line %i: alignment is not a power of two", lineNum);
|
||||
break;
|
||||
case STMT_romalign:
|
||||
if (!parse_number(args, &currSeg->romalign))
|
||||
util_fatal_error("line %i: expected number after 'romalign'", lineNum);
|
||||
if (!is_pow_of_2(currSeg->romalign))
|
||||
util_fatal_error("line %i: alignment is not a power of two", lineNum);
|
||||
break;
|
||||
case STMT_include:
|
||||
case STMT_include_data_with_rodata:
|
||||
currSeg->includesCount++;
|
||||
currSeg->includes = realloc(currSeg->includes, currSeg->includesCount * sizeof(*currSeg->includes));
|
||||
|
||||
if (!parse_quoted_string(args, &currSeg->includes[currSeg->includesCount - 1].fpath))
|
||||
util_fatal_error("line %i: invalid filename", lineNum);
|
||||
|
||||
currSeg->includes[currSeg->includesCount - 1].linkerPadding = 0;
|
||||
currSeg->includes[currSeg->includesCount - 1].dataWithRodata = (stmt == STMT_include_data_with_rodata);
|
||||
break;
|
||||
case STMT_increment:
|
||||
if (!parse_number(args, &currSeg->increment))
|
||||
util_fatal_error("line %i: expected number after 'increment'", lineNum);
|
||||
break;
|
||||
case STMT_pad_text:
|
||||
currSeg->includes[currSeg->includesCount - 1].linkerPadding += 0x10;
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "warning: '%s' is not implemented\n", stmtName);
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// commands valid outside a segment definition
|
||||
switch (stmt)
|
||||
{
|
||||
case STMT_beginseg:
|
||||
currSeg = add_segment(segments, segment_count);
|
||||
currSeg->includes = NULL;
|
||||
break;
|
||||
case STMT_endseg:
|
||||
util_fatal_error("line %i: '%s' outside of a segment definition", lineNum, stmtName);
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "warning: '%s' is not implemented\n", stmtName);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
line = nextLine;
|
||||
lineNum++;
|
||||
}
|
||||
}
|
||||
|
||||
void free_rom_spec(struct Segment *segments, int segment_count)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < segment_count; i++)
|
||||
{
|
||||
if (segments[i].includes != NULL)
|
||||
free(segments[i].includes);
|
||||
}
|
||||
free(segments);
|
||||
}
|
58
tools/spec.h
Normal file
58
tools/spec.h
Normal file
|
@ -0,0 +1,58 @@
|
|||
#ifndef _SPEC_H_
|
||||
#define _SPEC_H_
|
||||
|
||||
enum
|
||||
{
|
||||
STMT_address,
|
||||
STMT_after,
|
||||
STMT_align,
|
||||
STMT_beginseg,
|
||||
STMT_endseg,
|
||||
STMT_entry,
|
||||
STMT_flags,
|
||||
STMT_include,
|
||||
STMT_include_data_with_rodata,
|
||||
STMT_name,
|
||||
STMT_number,
|
||||
STMT_romalign,
|
||||
STMT_stack,
|
||||
STMT_increment,
|
||||
STMT_pad_text,
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
FLAG_BOOT = (1 << 0),
|
||||
FLAG_OBJECT = (1 << 1),
|
||||
FLAG_RAW = (1 << 2),
|
||||
};
|
||||
|
||||
struct Include
|
||||
{
|
||||
char *fpath;
|
||||
int linkerPadding;
|
||||
uint8_t dataWithRodata;
|
||||
};
|
||||
|
||||
struct Segment
|
||||
{
|
||||
uint32_t fields;
|
||||
char *name;
|
||||
char *after;
|
||||
uint32_t flags;
|
||||
uint32_t address;
|
||||
uint32_t stack;
|
||||
uint32_t align;
|
||||
uint32_t romalign;
|
||||
uint32_t increment;
|
||||
uint32_t entry;
|
||||
uint32_t number;
|
||||
struct Include *includes;
|
||||
int includesCount;
|
||||
};
|
||||
|
||||
void parse_rom_spec(char *spec, struct Segment **segments, int *segment_count);
|
||||
|
||||
void free_rom_spec(struct Segment *segments, int segment_count);
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue