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Add T3 SD chip disable patch

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Should make debugging easier for now, dont need an SD slot for a while anyway.
This commit is contained in:
meepingsnesroms
2019-07-22 16:40:06 -07:00
parent 07b4aa53a8
commit 4237ae0eb8
2 changed files with 23 additions and 26 deletions
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45
src/debug/sandbox.c
View File

@@ -19,7 +19,6 @@
#include "../specs/emuFeatureRegisterSpec.h"
#include "sandbox.h"
#include "trapNames.h"
#if defined(EMU_SUPPORT_PALM_OS5)
#include "../armv5te/cpu.h"
#endif
@@ -104,13 +103,15 @@ static void patchOsRom(uint32_t address, char* patch){
uint32_t swapSize = patchBytes / sizeof(uint16_t) + 1;
char conv[5] = "0xXX";
swap16BufferIfLittle(&palmRom[swapBegin], swapSize);
if(sandboxCurrentCpuArch == SANDBOX_CPU_ARCH_M68K)
swap16BufferIfLittle(&palmRom[swapBegin], swapSize);
for(offset = 0; offset < patchBytes; offset++){
conv[2] = patch[offset * 2];
conv[3] = patch[offset * 2 + 1];
palmRom[address + offset] = strtol(conv, NULL, 0);
}
swap16BufferIfLittle(&palmRom[swapBegin], swapSize);
if(sandboxCurrentCpuArch == SANDBOX_CPU_ARCH_M68K)
swap16BufferIfLittle(&palmRom[swapBegin], swapSize);
}
static const char* m515GetLowMemGlobalName(uint32_t address){
@@ -374,12 +375,9 @@ static bool m515InstallResourceToDevice(uint8_t* data, uint32_t size){
SysAppInfoPtr appInfoP;
UInt16 ownerID;
ownerID =
((SysAppInfoPtr)SysGetAppInfo(&appInfoP, &appInfoP))->memOwnerID;
ownerID = ((SysAppInfoPtr)SysGetAppInfo(&appInfoP, &appInfoP))->memOwnerID;
return MemChunkNew ( 0, size, ownerID |
memNewChunkFlagNonMovable |
memNewChunkFlagAllowLarge );
return MemChunkNew (0, size, ownerID | memNewChunkFlagNonMovable | memNewChunkFlagAllowLarge);
}
*/
@@ -607,25 +605,16 @@ static uint32_t m515CallGuestFunction(bool fallthrough, uint32_t address, uint16
void sandboxInit(void){
//nothing to init yet
sandboxCurrentCpuArch = SANDBOX_CPU_ARCH_M68K;
}
void sandboxReset(void){
sandboxActive = false;
sandboxControlHandoff = false;
sandboxCurrentCpuArch = SANDBOX_CPU_ARCH_M68K;
sandboxFramesRan = 0;
memset(sandboxWatchRegions, 0x00, sizeof(sandboxWatchRegions));
sandboxWatchRegionsActive = 0;
//patch OS here if needed
//sandboxCommand(SANDBOX_CMD_PATCH_OS, NULL);
//log all register accesses
//sandboxCommand(SANDBOX_CMD_REGISTER_WATCH_ENABLE, NULL);
//monitor for strange jumps
//sandboxSetWatchRegion(0x00000000, 0xFFFFFFFE, SANDBOX_WATCH_CODE);
}
uint32_t sandboxStateSize(void){
@@ -721,13 +710,19 @@ uint32_t sandboxCommand(uint32_t command, void* data){
switch(command){
case SANDBOX_CMD_PATCH_OS:{
//double dynamic heap size, verified working
//HwrCalcDynamicRAMSize_10005CC6:
//HwrCalcDynamicRAMSize_10083B0A:
//patchOsRom(0x5CC6, "203C000800004E75");//move.l 0x80000, d0; rts
//patchOsRom(0x83B0A, "203C000800004E75");//move.l 0x80000, d0; rts
//patchOsRom(0x5CC6, "203C001000004E75");//move.l 0x100000, d0; rts
//patchOsRom(0x83B0A, "203C001000004E75");//move.l 0x100000, d0; rts
if(sandboxCurrentCpuArch == SANDBOX_CPU_ARCH_M68K){
//double dynamic heap size, verified working
//HwrCalcDynamicRAMSize_10005CC6:
//HwrCalcDynamicRAMSize_10083B0A:
//patchOsRom(0x5CC6, "203C000800004E75");//move.l 0x80000, d0; rts
//patchOsRom(0x83B0A, "203C000800004E75");//move.l 0x80000, d0; rts
//patchOsRom(0x5CC6, "203C001000004E75");//move.l 0x100000, d0; rts
//patchOsRom(0x83B0A, "203C001000004E75");//move.l 0x100000, d0; rts
}
else{
//disable weird SD chip
patchOsRom(0x333EC6, "0000");//blocks out the slot driver
}
}
break;

4
src/emulator.c
View File

@@ -16,7 +16,6 @@
#include "portability.h"
#include "debug/sandbox.h"
#include "specs/emuFeatureRegisterSpec.h"
#if defined(EMU_SUPPORT_PALM_OS5)
#include "tungstenT3Bus.h"
#include "pxa260/pxa260.h"
@@ -141,6 +140,9 @@ uint32_t emulatorInit(uint8_t* palmRomData, uint32_t palmRomSize, uint8_t* palmB
sandboxInit();
sandboxSetCpuArch(SANDBOX_CPU_ARCH_ARMV5);
//TODO:remove this
sandboxCommand(SANDBOX_CMD_PATCH_OS, NULL);
//reset everything
emulatorSoftReset();
pxa260SetRtc(0, 0, 0, 0);