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* Improve compression * Format * Typo * Use Python assignment expression in tools/dmadata.py Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> * Review decompress_baserom.py * Replace DEFINE_DEBUG_SCENE with CPP defines * Pass is_zlib_compressed instead of version * Reword NOLOAD comment in write_compress_ranges * Remove redundant comment --------- Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
#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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// Don't emit dma entry for segments set with NOLOAD
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if (g_segments[i].flags & FLAG_NOLOAD) {
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continue;
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}
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fprintf(fout, "DEFINE_DMA_ENTRY(%s, \"%s\")\n", g_segments[i].name, g_segments[i].name);
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}
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}
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static void write_compress_ranges(FILE *fout)
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{
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int i;
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int rom_index = 0;
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bool continue_list = false;
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int stride_first = -1;
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for (i = 0; i < g_segmentsCount; i++) {
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bool compress = g_segments[i].compress;
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// Don't consider segments set with NOLOAD when calculating indices
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if (g_segments[i].flags & FLAG_NOLOAD) {
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continue;
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}
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if (compress) {
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if (stride_first == -1)
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stride_first = rom_index;
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}
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if (!compress || i == g_segmentsCount - 1) {
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if (stride_first != -1) {
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int stride_last = compress ? rom_index : rom_index - 1;
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if (continue_list) {
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fprintf(fout, ",");
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}
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if (stride_first == stride_last) {
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fprintf(fout, "%d", stride_first);
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} else {
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fprintf(fout, "%d-%d", stride_first, stride_last);
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}
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continue_list = true;
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stride_first = -1;
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}
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}
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rom_index++;
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}
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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 COMPRESS_RANGES\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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"COMPRESS_RANGES filename to write which files are compressed (e.g. 0-5,7,10-20)\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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FILE *compress_ranges_out;
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void *spec;
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size_t size;
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if (argc != 4)
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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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compress_ranges_out = fopen(argv[3], "w");
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if (compress_ranges_out == NULL)
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util_fatal_error("failed to open file '%s' for writing", argv[3]);
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write_compress_ranges(compress_ranges_out);
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fclose(compress_ranges_out);
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free_rom_spec(g_segments, g_segmentsCount);
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free(spec);
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return 0;
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}
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