int write_mi_regs(void* opaque, uint32_t address, uint32_t value, uint32_t mask)
{
struct r4300_core* r4300 = (struct r4300_core*)opaque;
uint32_t reg = mi_reg(address);
const uint32_t* cp0_regs = r4300_cp0_regs();
switch(reg)
{
case MI_INIT_MODE_REG:
if (update_mi_init_mode(&r4300->mi.regs[MI_INIT_MODE_REG], value & mask) != 0)
{
clear_rcp_interrupt(r4300, MI_INTR_DP);
}
break;
case MI_INTR_MASK_REG:
update_mi_intr_mask(&r4300->mi.regs[MI_INTR_MASK_REG], value & mask);
check_interupt();
cp0_update_count();
if (next_interupt <= cp0_regs[CP0_COUNT_REG]) gen_interupt();
break;
}
return 0;
}
EXPORT void * CALL DebugGetCPUDataPtr(m64p_dbg_cpu_data cpu_data_type)
{
switch (cpu_data_type)
{
case M64P_CPU_PC:
return r4300_pc();
case M64P_CPU_REG_REG:
return r4300_regs();
case M64P_CPU_REG_HI:
return r4300_mult_hi();
case M64P_CPU_REG_LO:
return r4300_mult_lo();
case M64P_CPU_REG_COP0:
return r4300_cp0_regs();
case M64P_CPU_REG_COP1_DOUBLE_PTR:
return r4300_cp1_regs_double();
case M64P_CPU_REG_COP1_SIMPLE_PTR:
return r4300_cp1_regs_simple();
case M64P_CPU_REG_COP1_FGR_64:
return r4300_cp1_regs();
case M64P_CPU_TLB:
return g_dev.r4300.cp0.tlb.entries;
default:
DebugMessage(M64MSG_ERROR, "Bug: DebugGetCPUDataPtr() called with invalid input m64p_dbg_cpu_data");
return NULL;
}
}
static uint32_t get_remaining_dma_length(struct ai_controller* ai)
{
uint64_t dma_length;
unsigned int next_ai_event;
unsigned int remaining_dma_duration;
const uint32_t* cp0_regs;
if (ai->fifo[0].duration == 0)
return 0;
cp0_update_count();
next_ai_event = get_event(AI_INT);
if (next_ai_event == 0)
return 0;
cp0_regs = r4300_cp0_regs();
if (next_ai_event <= cp0_regs[CP0_COUNT_REG])
return 0;
remaining_dma_duration = next_ai_event - cp0_regs[CP0_COUNT_REG];
dma_length = (uint64_t)remaining_dma_duration * ai->fifo[0].length / ai->fifo[0].duration;
return dma_length & ~7;
}
void gensyscall(void)
{
#ifdef INTERPRET_SYSCALL
gencallinterp((unsigned int)cached_interpreter_table.SYSCALL, 0);
#else
free_all_registers();
simplify_access();
mov_m32_imm32(&r4300_cp0_regs()[CP0_CAUSE_REG], 8 << 2);
gencallinterp((unsigned int)exception_general, 0);
#endif
}