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c: osSpTaskLoad

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This commit is contained in:
Mittenz
2020-08-19 18:34:46 -05:00
parent ee0bf8b91f
commit 142dda8043
2 changed files with 45 additions and 105 deletions
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lib/src/unknown_0D29F0.c
+45 -6
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@@ -50,17 +50,56 @@ void *osViGetNextFramebuffer(void){
return framep;
}
GLOBAL_ASM("lib/asm/non_matchings/unknown_0D29F0/_VirtualToPhysicalTask.s")
GLOBAL_ASM("lib/asm/non_matchings/unknown_0D29F0/osSpTaskLoad.s")
#define OS_TASK_YIELDED 0x0001
/*
* Values to clear/set bit in status reg (SP_STATUS_REG - write)
*/
#define SP_CLR_HALT 0x00001 /* Bit 0: clear halt */
#define SP_CLR_BROKE 0x00004 /* Bit 2: clear broke */
#define SP_CLR_SSTEP 0x00020 /* Bit 5: clear sstep */
#define SP_SET_INTR_BREAK 0x00100 /* Bit 8: set intr on break */
#define SP_CLR_SIG0 0x00200 /* Bit 9: clear signal 0 */
#define SP_CLR_SIG1 0x00800 /* Bit 11: clear signal 1 */
#define SP_CLR_SIG2 0x02000 /* Bit 11: clear signal 1 */
#define SP_CLR_YIELD SP_CLR_SIG0
#define SP_CLR_YIELDED SP_CLR_SIG1
#define SP_CLR_TASKDONE SP_CLR_SIG2
#define SP_IMEM_START 0x04001000 /* read/write */
GLOBAL_ASM("lib/asm/non_matchings/unknown_0D29F0/_VirtualToPhysicalTask.s")
void osSpTaskLoad(OSTask *intp)
{
OSTask *tp;
tp = _VirtualToPhysicalTask(intp);
if (tp->t.flags & OS_TASK_YIELDED)
{
tp->t.ucode_data = tp->t.yield_data_ptr;
tp->t.ucode_data_size = tp->t.yield_data_size;
intp->t.flags &= ~OS_TASK_YIELDED;
}
osWritebackDCache(tp, sizeof(OSTask));
__osSpSetStatus(SP_CLR_YIELD | SP_CLR_YIELDED | SP_CLR_TASKDONE | SP_SET_INTR_BREAK);
while (__osSpSetPc(SP_IMEM_START) == -1)
;
while (__osSpRawStartDma(1, (SP_IMEM_START - sizeof(*tp)), tp,
sizeof(OSTask)) == -1)
;
while (__osSpDeviceBusy())
;
while (__osSpRawStartDma(1, SP_IMEM_START, tp->t.ucode_boot,
tp->t.ucode_boot_size) == -1)
;
}
void osSpTaskStartGo(OSTask *tp){
while (__osSpDeviceBusy());