61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
#include <ultra64.h>
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#include "functions.h"
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#include "variables.h"
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typedef struct{
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u32 unk0;
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u32 unk4;
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}struct49s;
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extern struct49s D_803FFE10[];
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extern u8 D_8000E800;
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extern u8 D_8002D500;
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extern u32 D_8027BF2C;
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extern u32 D_8027BF30;
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void overlay_load(
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s32 overlay_id, u32 ram_start, u32 ram_end, u32 rom_start, u32 rom_end,
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u32 code_start, u32 code_end, u32 data_start, u32 data_end, u32 bss_start, u32 bss_end
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){
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u32 sp34;
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u32 sp30;
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u32 sp2C;
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u32 *tmp;
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osWriteBackDCacheAll();
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osInvalDCache(ram_start, ram_end - ram_start);
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osInvalICache(ram_start, ram_end - ram_start);
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if(bss_start){
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osInvalDCache(bss_start, bss_end - bss_start);
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}
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rom_start = D_803FFE10[overlay_id].unk0;
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rom_end = D_803FFE10[overlay_id].unk4;
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if(overlay_id){
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func_80254008();
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sp34 = &D_8000E800;
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}
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else{
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sp34 = &D_8002D500;
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}
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func_802405F0(sp34, rom_start, rom_end - rom_start);
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rarezip_uncompress(&sp34, &ram_start);
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sp2C = D_8027BF2C;
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sp30 = D_8027BF30;
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rarezip_uncompress(&sp34, &ram_start);
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if(bss_start){
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bzero(bss_start, bss_end - bss_start);
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osWriteBackDCacheAll();
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tmp = (u32*) bss_start;
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tmp[0] = sp2C;
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tmp[1] = sp30;
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tmp[2] = D_8027BF2C;
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tmp[3] = D_8027BF30;
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}
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}
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