tp/libs/dolphin/ar/ar.c

//
// Generated By: dol2asm
// Translation Unit: ar
//

#include "dolphin/ar/ar.h"
#include "MSL_C/MSL_Common/Src/string.h"
#include "dol2asm.h"
#include "dolphin/base/PPCArch.h"
#include "dolphin/dsp/dsp.h"
#include "dolphin/os/OS.h"

void __ARHandler(s16 interrupt, OSContext* context);
void __ARClearInterrupt();
void __ARGetInterruptStatus();
void __ARChecksize();

/* ############################################################################################## */
/* 804518B8-804518BC 000DB8 0004+00 3/3 0/0 0/0 .sbss            __AR_Callback */
static ARCallback __AR_Callback;

/* 80350554-80350598 34AE94 0044+00 0/0 1/1 0/0 .text            ARRegisterDMACallback */
// needs compiler epilogue patch
#ifdef NONMATCHING
ARCallback ARRegisterDMACallback(ARCallback callback) {
    ARCallback oldCb;
    BOOL enabled;
    oldCb = __AR_Callback;
    enabled = OSDisableInterrupts();
    __AR_Callback = callback;
    OSRestoreInterrupts(enabled);
    return oldCb;
}
#else
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm ARCallback ARRegisterDMACallback(ARCallback callback) {
    nofralloc
#include "asm/dolphin/ar/ar/ARRegisterDMACallback.s"
}
#pragma pop
#endif

/* 80350598-803505D4 34AED8 003C+00 0/0 2/2 0/0 .text            ARGetDMAStatus */
// needs compiler epilogue patch
#ifdef NONMATCHING
u32 ARGetDMAStatus() {
    BOOL enabled;
    u32 val;
    enabled = OSDisableInterrupts();
    val = __DSPRegs[5] & 0x0200;
    OSRestoreInterrupts(enabled);
    return val;
}
#else
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm u32 ARGetDMAStatus(void) {
    nofralloc
#include "asm/dolphin/ar/ar/ARGetDMAStatus.s"
}
#pragma pop
#endif

/* 803505D4-803506C4 34AF14 00F0+00 0/0 5/5 0/0 .text            ARStartDMA */
void ARStartDMA(u32 type, u32 mainmem_addr, u32 aram_addr, u32 length) {
    BOOL enabled;

    enabled = OSDisableInterrupts();

    __DSPRegs[16] = (u16)(__DSPRegs[16] & ~0x3ff) | (u16)(mainmem_addr >> 16);
    __DSPRegs[17] = (u16)(__DSPRegs[17] & ~0xffe0) | (u16)(mainmem_addr & 0xffff);
    __DSPRegs[18] = (u16)(__DSPRegs[18] & ~0x3ff) | (u16)(aram_addr >> 16);
    __DSPRegs[19] = (u16)(__DSPRegs[19] & ~0xffe0) | (u16)(aram_addr & 0xffff);
    __DSPRegs[20] = (u16)((__DSPRegs[20] & ~0x8000) | (type << 15));
    __DSPRegs[20] = (u16)(__DSPRegs[20] & ~0x3ff) | (u16)(length >> 16);
    __DSPRegs[21] = (u16)(__DSPRegs[21] & ~0xffe0) | (u16)(length & 0xffff);
    OSRestoreInterrupts(enabled);
}

/* ############################################################################################## */
/* 804518BC-804518C0 000DBC 0004+00 2/1 0/0 0/0 .sbss            __AR_Size */
static u32 __AR_Size;

/* 804518C0-804518C4 000DC0 0004+00 1/1 0/0 0/0 .sbss            __AR_InternalSize */
static u32 __AR_InternalSize;

/* 804518C4-804518C8 000DC4 0004+00 1/1 0/0 0/0 .sbss            __AR_ExpansionSize */
static u32 __AR_ExpansionSize;

/* 804518C8-804518CC 000DC8 0004+00 2/2 0/0 0/0 .sbss            __AR_StackPointer */
static u32 __AR_StackPointer;

/* 804518CC-804518D0 000DCC 0004+00 2/2 0/0 0/0 .sbss            __AR_FreeBlocks */
static u32 __AR_FreeBlocks;

/* 804518D0-804518D4 000DD0 0004+00 2/2 0/0 0/0 .sbss            __AR_BlockLength */
static u32* __AR_BlockLength;

/* 803506C4-8035072C 34B004 0068+00 0/0 1/1 0/0 .text            ARAlloc */
// needs compiler epilogue patch
#ifdef NONMATCHING
u32 ARAlloc(u32 length) {
    u32 tmp;
    BOOL enabled;

    enabled = OSDisableInterrupts();
    tmp = __AR_StackPointer;
    __AR_StackPointer += length;
    *__AR_BlockLength = length;
    __AR_BlockLength++;
    __AR_FreeBlocks--;
    OSRestoreInterrupts(enabled);

    return tmp;
}
#else
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm u32 ARAlloc(u32 length) {
    nofralloc
#include "asm/dolphin/ar/ar/ARAlloc.s"
}
#pragma pop
#endif

/* ############################################################################################## */
/* 803D1BE8-803D1C30 02ED08 0044+04 1/0 0/0 0/0 .data            @1 */
SECTION_DATA static char lit_1[] =
    "<< Dolphin SDK - AR\trelease build: Apr  5 2004 04:15:03 (0x2301) >>";

/* 80450A48-80450A50 -00001 0004+04 1/1 0/0 0/0 .sdata           __ARVersion */
SECTION_SDATA static const char* __ARVersion = lit_1;

/* 804518D4-804518D8 000DD4 0004+00 1/1 0/0 0/0 .sbss            __AR_init_flag */
static volatile BOOL __AR_init_flag;

/* 8035072C-803507F0 34B06C 00C4+00 0/0 1/1 0/0 .text            ARInit */
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm u32 ARInit(u32* stack_index_addr, u32 num_entries) {
    nofralloc
#include "asm/dolphin/ar/ar/ARInit.s"
}
#pragma pop

/* 803507F0-803507F8 -00001 0008+00 0/0 0/0 0/0 .text            ARGetSize */
u32 ARGetSize(void) {
    return __AR_Size;
}

/* 803507F8-80350870 34B138 0078+00 1/1 0/0 0/0 .text            __ARHandler */
static void __ARHandler(s16 interrupt, OSContext* context) {
    OSContext exceptionContext;
    u16 tmp;

    tmp = __DSPRegs[5];
    tmp = (u16)((tmp & ~0x00000088) | 0x20);
    __DSPRegs[5] = tmp;

    OSClearContext(&exceptionContext);
    OSSetCurrentContext(&exceptionContext);

    if (__AR_Callback) {
        (*__AR_Callback)();
    }

    OSClearContext(&exceptionContext);
    OSSetCurrentContext(context);
}

/* 80350870-80350890 34B1B0 0020+00 0/0 2/2 0/0 .text            __ARClearInterrupt */
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm void __ARClearInterrupt() {
    nofralloc
#include "asm/dolphin/ar/ar/__ARClearInterrupt.s"
}
#pragma pop

/* 80350890-803508A0 34B1D0 0010+00 0/0 2/2 0/0 .text            __ARGetInterruptStatus */
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm void __ARGetInterruptStatus() {
    nofralloc
#include "asm/dolphin/ar/ar/__ARGetInterruptStatus.s"
}
#pragma pop

/* 803508A0-80352094 34B1E0 17F4+00 1/1 0/0 0/0 .text            __ARChecksize */
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm void __ARChecksize() {
    nofralloc
#include "asm/dolphin/ar/ar/__ARChecksize.s"
}
#pragma pop