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Decompile code_800E6840.c / osAiSetNextBuffer.c (#143)

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* Decompile code_800E6840.c / osAiSetNextBuffer.c

* move status' assignment outside the condition
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Random 2020-05-16 15:31:35 +02:00 • committed by GitHub
parent 63985a0011
commit b9999bbb13
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7 changed files with 43 additions and 97 deletions
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13
src/libultra_code/code_800E6840.c Normal file
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#include <global.h>
void func_800E6840(void* buf, s32 size) {
OSIntMask prevMask = osSetIntMask(1);
osInvalDCache(buf, size);
osSetIntMask(prevMask);
}
void func_800E6880(void* buf, s32 size) {
OSIntMask prevMask = osSetIntMask(1);
osWritebackDCache(buf, size);
osSetIntMask(prevMask);
}

26
src/libultra_code/osAiSetNextBuffer.c Normal file
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#include <global.h>
#include <ultra64/hardware.h>
s32 osAiSetNextBuffer(void* buf, u32 size) {
static u8 D_80130500 = false;
u32 bufAdjusted = (u32)buf;
s32 status;
if (D_80130500) {
bufAdjusted = (u32)buf - 0x2000;
}
if ((((u32)buf + size) & 0x1FFF) == 0) {
D_80130500 = true;
} else {
D_80130500 = false;
}
status = HW_REG(AI_STATUS_REG, s32);
if (status & AI_STATUS_AI_FULL) {
return -1;
}
HW_REG(AI_DRAM_ADDR_REG, u32) = PHYSICAL_TO_VIRTUAL(bufAdjusted);
HW_REG(AI_LEN_REG, u32) = size;
return 0;
}