Zelda64Recomp/patches/required_patches.c

76 lines
2.3 KiB
C

#include "patches.h"
#include "misc_funcs.h"
#include "loadfragment.h"
void Main_ClearMemory(void* begin, void* end);
void Main_InitMemory(void);
void Main_InitScreen(void);
// @recomp Patched to load the code segment in the recomp runtime.
void Main_Init(void) {
DmaRequest dmaReq;
OSMesgQueue mq;
OSMesg msg[1];
size_t prevSize;
osCreateMesgQueue(&mq, msg, ARRAY_COUNT(msg));
prevSize = gDmaMgrDmaBuffSize;
gDmaMgrDmaBuffSize = 0;
// @recomp Load the code segment in the recomp runtime.
recomp_load_overlays(SEGMENT_ROM_START(code), SEGMENT_START(code), SEGMENT_ROM_END(code) - SEGMENT_ROM_START(code));
DmaMgr_SendRequestImpl(&dmaReq, SEGMENT_START(code), SEGMENT_ROM_START(code),
SEGMENT_ROM_END(code) - SEGMENT_ROM_START(code), 0, &mq, NULL);
Main_InitScreen();
Main_InitMemory();
osRecvMesg(&mq, NULL, OS_MESG_BLOCK);
gDmaMgrDmaBuffSize = prevSize;
Main_ClearMemory(SEGMENT_BSS_START(code), SEGMENT_BSS_END(code));
}
void Overlay_Relocate(void* allocatedRamAddr, OverlayRelocationSection* ovlRelocs, uintptr_t vramStart);
// @recomp Patched to load the overlay in the recomp runtime.
size_t Overlay_Load(uintptr_t vromStart, uintptr_t vromEnd, void* ramStart, void* ramEnd, void* allocatedRamAddr) {
uintptr_t vramStart = (uintptr_t)ramStart;
uintptr_t vramEnd = (uintptr_t)ramEnd;
s32 size = vromEnd - vromStart;
uintptr_t end;
OverlayRelocationSection* ovlRelocs;
// @recomp Load the overlay in the recomp runtime.
recomp_load_overlays(vromStart, allocatedRamAddr, vromEnd - vromStart);
if (gOverlayLogSeverity >= 3) {}
if (gOverlayLogSeverity >= 3) {}
end = (uintptr_t)allocatedRamAddr + size;
DmaMgr_SendRequest0(allocatedRamAddr, vromStart, size);
ovlRelocs = (OverlayRelocationSection*)(end - ((s32*)end)[-1]);
if (gOverlayLogSeverity >= 3) {}
if (gOverlayLogSeverity >= 3) {}
Overlay_Relocate(allocatedRamAddr, ovlRelocs, vramStart);
if (ovlRelocs->bssSize != 0) {
if (gOverlayLogSeverity >= 3) {}
bzero((void*)end, ovlRelocs->bssSize);
}
size = vramEnd - vramStart;
osWritebackDCache(allocatedRamAddr, size);
osInvalICache(allocatedRamAddr, size);
if (gOverlayLogSeverity >= 3) {}
return size;
}