Shipwright/soh/src/code/z_ss_sram.c
M4xw 39cc86c260 git subrepo clone https://github.com/HarbourMasters/soh.git
subrepo:
  subdir:   "soh"
  merged:   "ba904bbd0"
upstream:
  origin:   "https://github.com/HarbourMasters/soh.git"
  branch:   "master"
  commit:   "ba904bbd0"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"
2022-03-22 02:51:23 +01:00

98 lines
3.2 KiB
C

#include "ultra64.h"
#include "global.h"
#include <stdio.h>
#include <assert.h>
#if 0
typedef struct {
/* 0x00 */ OSPiHandle piHandle;
/* 0x74 */ OSIoMesg ioMesg;
/* 0x8C */ OSMesgQueue mesgQ;
} SsSramContext; // size = 0xA4
SsSramContext sSsSramContext = { 0 };
void SsSram_Init(uintptr_t addr, u8 handleType, u8 handleDomain, u8 handleLatency, u8 handlePageSize, u8 handleRelDuration,
u8 handlePulse, u32 handleSpeed) {
u32 prevInt;
OSPiHandle* handle = &sSsSramContext.piHandle;
if ((uintptr_t)OS_PHYSICAL_TO_K1(addr) != (*handle).baseAddress) {
sSsSramContext.piHandle.type = handleType;
(*handle).baseAddress = OS_PHYSICAL_TO_K1(addr);
sSsSramContext.piHandle.latency = handleLatency;
sSsSramContext.piHandle.pulse = handlePulse;
sSsSramContext.piHandle.pageSize = handlePageSize;
sSsSramContext.piHandle.relDuration = handleRelDuration;
sSsSramContext.piHandle.domain = handleDomain;
sSsSramContext.piHandle.speed = handleSpeed;
bzero(&sSsSramContext.piHandle.transferInfo, sizeof(__OSTranxInfo));
prevInt = __osDisableInt();
//sSsSramContext.piHandle.next = __osPiTable;
//__osPiTable = &sSsSramContext.piHandle;
__osRestoreInt(prevInt);
sSsSramContext.ioMesg.hdr.pri = OS_MESG_PRI_NORMAL;
sSsSramContext.ioMesg.hdr.retQueue = &sSsSramContext.mesgQ;
sSsSramContext.ioMesg.devAddr = addr;
}
}
void SsSram_Dma(void* dramAddr, size_t size, s32 direction) {
OSMesg mesg;
osCreateMesgQueue(&sSsSramContext.mesgQ, &mesg, 1);
sSsSramContext.ioMesg.dramAddr = dramAddr;
sSsSramContext.ioMesg.size = size;
osWritebackDCache(dramAddr, size);
osEPiStartDma(&sSsSramContext.piHandle, &sSsSramContext.ioMesg, direction);
osRecvMesg(&sSsSramContext.mesgQ, &mesg, OS_MESG_BLOCK);
osInvalDCache(dramAddr, size);
}
#endif
void SsSram_ReadWrite(uintptr_t addr, void* dramAddr, size_t size, s32 direction) {
osSyncPrintf("ssSRAMReadWrite:%08x %08x %08x %d\n", addr, (uintptr_t)dramAddr, size, direction);
//Check to see if the file exists
FILE* saveFile;
saveFile = fopen("oot_save.sav", "rb");
if (saveFile == NULL) {
saveFile = fopen("oot_save.sav", "wb");
fseek(saveFile, 0, SEEK_SET);
assert(saveFile != NULL); // OTRTODO LOG
uint8_t zero = 0;
for (uint32_t i = 0; i < SRAM_SIZE; i++) {
fwrite(&zero, 1, 1, saveFile);
}
fclose(saveFile);
} else {
fclose(saveFile);
}
switch (direction) {
case OS_WRITE: {
saveFile = fopen("oot_save.sav", "r+b");
rewind(saveFile);
fseek(saveFile, addr, SEEK_SET);
fwrite(dramAddr, size, 1, saveFile);
fclose(saveFile);
} break;
case OS_READ: {
saveFile = fopen("oot_save.sav", "rb+");
rewind(saveFile);
fseek(saveFile, addr, SEEK_SET);
fread(dramAddr, size, 1, saveFile);
fclose(saveFile);
} break;
}
//SsSram_Init(addr, DEVICE_TYPE_SRAM, PI_DOMAIN2, 5, 0xD, 2, 0xC, 0);
//SsSram_Dma(dramAddr, size, direction);
}