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#include <dolphin/dolphin.h>
#include <dolphin/os.h>
#include "__os.h"
// These macros are copied from OSThread.c. Or ARE they the same
// macros? They dont seem to be in the SDK headers.
#define ENQUEUE_INFO(info, queue) \
do { \
OSResetFunctionInfo* __prev = (queue)->tail; \
if (__prev == 0) { \
(queue)->head = (info); \
} else { \
__prev->next = (info); \
} \
(info)->prev = __prev; \
(info)->next = 0; \
(queue)->tail = (info); \
} while(0);
#define DEQUEUE_INFO(info, queue) \
do { \
OSResetFunctionInfo* __next = (info)->next; \
OSResetFunctionInfo* __prev = (info)->prev; \
if (__next == 0) { \
(queue)->tail = __prev; \
} else { \
__next->prev = __prev; \
} \
if (__prev == 0) { \
(queue)->head = __next; \
} else { \
__prev->next = __next; \
} \
} while(0);
#define ENQUEUE_INFO_PRIO(info, queue) \
do { \
OSResetFunctionInfo* __prev; \
OSResetFunctionInfo* __next; \
for(__next = (queue)->head; __next \
&& (__next->priority <= (info)->priority); \
__next = __next->next) ; \
\
if (__next == 0) { \
ENQUEUE_INFO(info, queue); \
} else { \
(info)->next = __next; \
__prev = __next->prev; \
__next->prev = (info); \
(info)->prev = __prev; \
if (__prev == 0) { \
(queue)->head = (info); \
} else { \
__prev->next = (info); \
} \
} \
} while(0);
static OSResetFunctionQueue ResetFunctionQueue;
static u32 bootThisDol;
// prototypes
static int CallResetFunctions(int final);
static void Reset(u32 resetCode);
void OSRegisterResetFunction(OSResetFunctionInfo* info) {
ASSERTLINE(208, info->func);
ENQUEUE_INFO_PRIO(info, &ResetFunctionQueue);
}
void OSUnregisterResetFunction(OSResetFunctionInfo* info) {
DEQUEUE_INFO(info, &ResetFunctionQueue);
}
int __OSCallResetFunctions(BOOL final) {
OSResetFunctionInfo* info;
int err;
u32 priority;
priority = 0;
err = 0;
for (info = ResetFunctionQueue.head; info != 0;) {
if (err != 0 && priority != info->priority)
break;
err |= !info->func(final);
priority = info->priority;
info = info->next;
}
err |= !__OSSyncSram();
if (err) {
return 0;
}
return 1;
}
#ifdef __GEKKO__
static asm void Reset(u32 resetCode) {
nofralloc
b L_000001BC
L_000001A0:
mfspr r8, HID0
ori r8, r8, 0x8
mtspr HID0, r8
isync
sync
nop
b L_000001C0
L_000001BC:
b L_000001DC
L_000001C0:
mftb r5, 268
L_000001C4:
mftb r6, 268
subf r7, r5, r6
cmplwi r7, 0x1124
blt L_000001C4
nop
b L_000001E0
L_000001DC:
b L_000001FC
L_000001E0:
lis r8, 0xcc00
ori r8, r8, 0x3000
li r4, 0x3
stw r4, 0x24(r8)
stw r3, 0x24(r8)
nop
b L_00000200
L_000001FC:
b L_00000208
L_00000200:
nop
b L_00000200
L_00000208:
b L_000001A0
}
#endif
static void KillThreads(void) {
OSThread* thread;
OSThread* next;
for (thread = __OSActiveThreadQueue.head; thread; thread = next) {
next = thread->linkActive.next;
switch (thread->state) {
case 1:
case 4:
OSCancelThread(thread);
continue;
default:
continue;
}
}
}
void __OSDoHotReset(u32 resetCode) {
OSDisableInterrupts();
__VIRegs[1] = 0;
ICFlashInvalidate();
Reset(resetCode * 8);
}
void __OSShutdownDevices(BOOL doRecal) {
int rc;
BOOL disableRecalibration;
__OSStopAudioSystem();
if (!doRecal) {
disableRecalibration = __PADDisableRecalibration(TRUE);
}
do {} while (!__OSCallResetFunctions(FALSE));
do {} while (!__OSSyncSram());
OSDisableInterrupts();
rc = __OSCallResetFunctions(TRUE);
ASSERTLINE(408, rc);
LCDisable();
if (!doRecal) {
__PADDisableRecalibration(disableRecalibration);
}
KillThreads();
}
void OSResetSystem(BOOL reset, u32 resetCode, BOOL forceMenu) {
OSSram* sram;
OSDisableScheduler();
if (reset == TRUE && forceMenu) {
sram = __OSLockSram();
sram->flags |= 0x40;
__OSUnlockSram(1);
resetCode = 0;
}
if (reset == OS_RESET_SHUTDOWN ||
(reset == OS_RESET_RESTART && (bootThisDol || resetCode + 0x3fff0000 == 0)))
{
__OSShutdownDevices(FALSE);
} else {
__OSShutdownDevices(TRUE);
}
if (reset == OS_RESET_HOTRESET) {
__OSDoHotReset(resetCode);
} else if (reset == OS_RESET_RESTART) {
if (forceMenu == TRUE) {
OSReport("OSResetSystem(): You can't specify TRUE to forceMenu if you restart. Ignored\n");
}
OSEnableScheduler();
__OSReboot(resetCode, bootThisDol);
}
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);
}
u32 OSGetResetCode() {
u32 resetCode;
if (__OSRebootParams.valid)
resetCode = 0x80000000 | __OSRebootParams.restartCode;
else
resetCode = (__PIRegs[9] & 0xFFFFFFF8) / 8;
return resetCode;
}
u32 OSSetBootDol(u32 dolOffset) {
u32 oldDol;
oldDol = bootThisDol;
bootThisDol = dolOffset;
return oldDol;
}
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