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#include <cstddef>
#include <dolphin/dolphin.h>
#include <dolphin/hw_regs.h>
#include "__dsp.h"
#define BUILD_DATE "Apr 5 2004"
#if DEBUG
#define BUILD_TIME "03:56:49"
#else
#define BUILD_TIME "04:15:32"
#endif
#if DEBUG
const char* __DSPVersion = "<< Dolphin SDK - DSP\tdebug build: Apr 5 2004 03:56:49 (0x2301) >>";
#else
const char* __DSPVersion = "<< Dolphin SDK - DSP\trelease build: Apr 5 2004 04:15:32 (0x2301) >>";
#endif
extern DSPTaskInfo* __DSP_rude_task;
extern int __DSP_rude_task_pending;
static BOOL __DSP_init_flag;
u32 DSPCheckMailToDSP(void) {
return (__DSPRegs[0] & (1 << 15)) >> 15;
}
u32 DSPCheckMailFromDSP(void) {
return (__DSPRegs[2] & (1 << 15)) >> 15;
}
u32 DSPReadCPUToDSPMbox(void) {
return (__DSPRegs[0] << 16) | __DSPRegs[1];
}
u32 DSPReadMailFromDSP(void) {
return (__DSPRegs[2] << 16) | __DSPRegs[3];
}
void DSPSendMailToDSP(u32 mail) {
__DSPRegs[0] = mail >> 16;
__DSPRegs[1] = mail & 0xFFFF;
}
void DSPAssertInt(void) {
BOOL old;
u16 tmp;
old = OSDisableInterrupts();
tmp = __DSPRegs[5];
tmp = (tmp & ~0xA8) | 2;
__DSPRegs[5] = tmp;
OSRestoreInterrupts(old);
}
void DSPInit(void) {
BOOL old;
u16 tmp;
__DSP_debug_printf("DSPInit(): Build Date: %s %s\n", BUILD_DATE, BUILD_TIME);
if (__DSP_init_flag == 1)
return;
OSRegisterVersion(__DSPVersion);
old = OSDisableInterrupts();
__OSSetInterruptHandler(7, __DSPHandler);
__OSUnmaskInterrupts(OS_INTERRUPTMASK_DSP_DSP);
tmp = __DSPRegs[5];
tmp = (tmp & ~0xA8) | 0x800;
__DSPRegs[5] = tmp;
tmp = __DSPRegs[5];
__DSPRegs[5] = tmp = tmp & ~0xAC;
__DSP_first_task = __DSP_last_task = __DSP_curr_task = __DSP_tmp_task = NULL;
__DSP_init_flag = 1;
OSRestoreInterrupts(old);
}
BOOL DSPCheckInit(void) {
return __DSP_init_flag;
}
void DSPReset(void) {
BOOL old;
u16 tmp;
old = OSDisableInterrupts();
tmp = __DSPRegs[5];
tmp = (tmp & ~0xA8) | 0x800 | 1;
__DSPRegs[5] = tmp;
__DSP_init_flag = 0;
OSRestoreInterrupts(old);
}
void DSPHalt(void) {
BOOL old;
u16 tmp;
old = OSDisableInterrupts();
tmp = __DSPRegs[5];
tmp = (tmp & ~0xA8) | 4;
__DSPRegs[5] = tmp;
OSRestoreInterrupts(old);
}
void DSPUnhalt(void) {
BOOL old;
u16 tmp;
old = OSDisableInterrupts();
tmp = __DSPRegs[5];
tmp = (tmp & ~0xAC);
__DSPRegs[5] = tmp;
OSRestoreInterrupts(old);
}
u32 DSPGetDMAStatus(void) {
return (__DSPRegs[5] & (1 << 9));
}
DSPTaskInfo* DSPAddTask(DSPTaskInfo* task) {
BOOL old;
ASSERTMSGLINE(556, __DSP_init_flag == 1, "DSPAddTask(): DSP driver not initialized!\n");
old = OSDisableInterrupts();
__DSP_insert_task(task);
task->state = 0;
task->flags = 1;
OSRestoreInterrupts(old);
if (task == __DSP_first_task)
__DSP_boot_task(task);
return task;
}
DSPTaskInfo* DSPCancelTask(DSPTaskInfo* task) {
BOOL old;
ASSERTMSGLINE(592, __DSP_init_flag == 1, "DSPCancelTask(): DSP driver not initialized!\n");
old = OSDisableInterrupts();
task->flags |= 2;
OSRestoreInterrupts(old);
return task;
}
DSPTaskInfo* DSPAssertTask(DSPTaskInfo* task) {
s32 old;
ASSERTMSGLINE(623, __DSP_init_flag == 1, "DSPAssertTask(): DSP driver not initialized!\n");
ASSERTMSGLINE(624, task->flags & 1, "DSPAssertTask(): Specified task not in active task list!\n");
old = OSDisableInterrupts();
if (__DSP_curr_task == task) {
__DSP_rude_task = task;
__DSP_rude_task_pending = 1;
OSRestoreInterrupts(old);
return task;
}
if (task->priority < __DSP_curr_task->priority) {
__DSP_rude_task = task;
__DSP_rude_task_pending = 1;
if (__DSP_curr_task->state == 1) {
DSPAssertInt();
}
OSRestoreInterrupts(old);
return task;
}
OSRestoreInterrupts(old);
return NULL;
}
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