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Reset XPARAM to default state on boot #45

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Reset XPARAM to default state on boot #45

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21 changes: 21 additions & 0 deletions src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
#include <loadfile.h>
#include <debug.h>
#include <iopcontrol.h>
#include <iop_regs.h>
#include <iopheap.h>
#include <sbv_patches.h>
#include <ps2sdkapi.h>
Expand Down Expand Up @@ -191,6 +192,26 @@ int main(int argc, char *argv[])
unsigned char *RAM_p = NULL;
char *CNFBUFF, *name, *value;

#ifndef NO_DECKARD
#define XPARAM_PARAM_ADDR *((uint32_t *)0xFFFE01A0)
#define XPARAM_VALUE_ADDR *((uint32_t *)0xFFFE01A4)
if (IOP_CPU_TYPE == IOP_TYPE_POWERPC) { // this PS2 is DECKARD. reset the XPARAMS to their default value in case we are not coming from a reset
const u32 xparam_default[0x12] = {
0x01F4, 0x07D0, 0x0023, 0x07D0,
0x0014, 0x0000, 0x0001, 0x0020,
0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x229C, 0x06EC, 0x06EC,
0x0001, 0x0090
};
for (x = 0; x < 0x12; x++) {
XPARAM_PARAM_ADDR = 0xFFFFFFFF;
XPARAM_VALUE_ADDR = 0x0;
XPARAM_PARAM_ADDR = x;
XPARAM_VALUE_ADDR = xparam_default[x];
}
}
#endif

ResetIOP();
SifInitIopHeap(); // Initialize SIF services for loading modules and files.
SifLoadFileInit();
Expand Down