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#include "dolphin/os/OSReset.h"
#include "dolphin/os/OS.h"
#include <string.h>
vu16 __VIRegs[59] AT_ADDRESS(0xCC002000);
OSThreadQueue __OSActiveThreadQueue AT_ADDRESS(OS_BASE_CACHED | 0x00DC);
static OSResetQueue ResetFunctionQueue;
void OSRegisterResetFunction(OSResetFunctionInfo* func) {
OSResetFunctionInfo* tmp;
OSResetFunctionInfo* iter;
for (iter = ResetFunctionQueue.first; iter && iter->priority <= func->priority;
iter = iter->next)
;
if (iter == NULL) {
tmp = ResetFunctionQueue.last;
if (tmp == NULL) {
ResetFunctionQueue.first = func;
} else {
tmp->next = func;
}
func->prev = tmp;
func->next = NULL;
ResetFunctionQueue.last = func;
return;
}
func->next = iter;
tmp = iter->prev;
iter->prev = func;
func->prev = tmp;
if (tmp == NULL) {
ResetFunctionQueue.first = func;
return;
}
tmp->next = func;
}
inline BOOL __OSCallResetFunctions(u32 arg0) {
OSResetFunctionInfo* iter;
s32 retCode = 0;
s32 temp;
for (iter = ResetFunctionQueue.first; iter != NULL;) {
temp = !iter->func(arg0);
iter = iter->next;
retCode |= temp;
}
retCode |= !__OSSyncSram();
if (retCode) {
return 0;
}
return 1;
}
#ifdef __MWERKS__
static ASM void Reset(register s32 param_0) {
// clang-format off
nofralloc
b lbl_8033F7AC
lbl_8033F790:
mfspr r8, 0x3f0
ori r8, r8, 8
mtspr 0x3f0, r8
isync
sync
nop
b lbl_8033F7B0
lbl_8033F7AC:
b lbl_8033F7CC
lbl_8033F7B0:
mftb r5, 0x10c
lbl_8033F7B4:
mftb r6, 0x10c
subf r7, r5, r6
cmplwi r7, 0x1124
blt lbl_8033F7B4
nop
b lbl_8033F7D0
lbl_8033F7CC:
b lbl_8033F7EC
lbl_8033F7D0:
lis r8, 0xCC00
ori r8, r8, 0x3000
li r4, 3
stw r4, 0x24(r8)
stw param_0, 0x24(r8)
nop
b lbl_8033F7F0
lbl_8033F7EC:
b lbl_8033F7F8
lbl_8033F7F0:
nop
b lbl_8033F7F0
lbl_8033F7F8:
b lbl_8033F790
// clang-format on
}
#endif
inline static void KillThreads(void) {
OSThread* thread;
OSThread* next;
for (thread = __OSActiveThreadQueue.head; thread; thread = next) {
next = thread->active_threads_link.next;
switch (thread->state) {
case 1:
case 4:
OSCancelThread(thread);
continue;
default:
continue;
}
}
}
void __OSDoHotReset(s32 arg0) {
OSDisableInterrupts();
__VIRegs[1] = 0;
ICFlashInvalidate();
Reset(arg0 * 8);
}
void OSResetSystem(int reset, u32 resetCode, BOOL forceMenu) {
BOOL rc;
BOOL disableRecalibration;
u32 unk[3]; // dumb compiler
OSDisableScheduler();
__OSStopAudioSystem();
if (reset == OS_RESET_SHUTDOWN) {
disableRecalibration = __PADDisableRecalibration(TRUE);
}
while (!__OSCallResetFunctions(FALSE)) {
;
}
if (reset == OS_RESET_HOTRESET && forceMenu) {
OSSram* sram;
sram = __OSLockSram();
sram->flags |= 0x40;
__OSUnlockSram(TRUE);
while (!__OSSyncSram()) {
;
}
}
OSDisableInterrupts();
__OSCallResetFunctions(TRUE);
LCDisable();
if (reset == OS_RESET_HOTRESET) {
__OSDoHotReset(resetCode);
} else if (reset == OS_RESET_RESTART) {
KillThreads();
OSEnableScheduler();
__OSReboot(resetCode, forceMenu);
}
KillThreads();
memset(OSPhysicalToCached(0x40), 0, 0xCC - 0x40);
memset(OSPhysicalToCached(0xD4), 0, 0xE8 - 0xD4);
memset(OSPhysicalToCached(0xF4), 0, 0xF8 - 0xF4);
memset(OSPhysicalToCached(0x3000), 0, 0xC0);
memset(OSPhysicalToCached(0x30C8), 0, 0xD4 - 0xC8);
memset(OSPhysicalToCached(0x30E2), 0, 1);
__PADDisableRecalibration(disableRecalibration);
}
u32 OSGetResetCode(void) {
if (*(u8*)OSPhysicalToCached(0x30E2) != 0)
return 0x80000000;
return ((__PIRegs[9] & ~7) >> 3);
}
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