dyncom: Use ARMul_State as an object

Gets rid of C-like parameter passing.
This commit is contained in:
Lioncash
2015-07-26 05:39:54 -04:00
parent 392c7feba0
commit 0ecc6e2f04
12 changed files with 1023 additions and 1105 deletions

View File

@ -206,433 +206,3 @@ u32 ARMul_UnsignedSatQ(s32 value, u8 shift, bool* saturation_occurred)
*saturation_occurred = false;
return (u32)value;
}
// Whether or not the given CPU is in big endian mode (E bit is set)
bool InBigEndianMode(ARMul_State* cpu)
{
return (cpu->Cpsr & (1 << 9)) != 0;
}
// Whether or not the given CPU is in a mode other than user mode.
bool InAPrivilegedMode(ARMul_State* cpu)
{
return (cpu->Mode != USER32MODE);
}
// Reads from the CP15 registers. Used with implementation of the MRC instruction.
// Note that since the 3DS does not have the hypervisor extensions, these registers
// are not implemented.
u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2)
{
// Unprivileged registers
if (crn == 13 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 2)
return cpu->CP15[CP15_THREAD_UPRW];
if (opcode_2 == 3)
return cpu->CP15[CP15_THREAD_URO];
}
if (InAPrivilegedMode(cpu))
{
if (crn == 0 && opcode_1 == 0)
{
if (crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_MAIN_ID];
if (opcode_2 == 1)
return cpu->CP15[CP15_CACHE_TYPE];
if (opcode_2 == 3)
return cpu->CP15[CP15_TLB_TYPE];
if (opcode_2 == 5)
return cpu->CP15[CP15_CPU_ID];
}
else if (crm == 1)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_PROCESSOR_FEATURE_0];
if (opcode_2 == 1)
return cpu->CP15[CP15_PROCESSOR_FEATURE_1];
if (opcode_2 == 2)
return cpu->CP15[CP15_DEBUG_FEATURE_0];
if (opcode_2 == 4)
return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0];
if (opcode_2 == 5)
return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1];
if (opcode_2 == 6)
return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2];
if (opcode_2 == 7)
return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3];
}
else if (crm == 2)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_ISA_FEATURE_0];
if (opcode_2 == 1)
return cpu->CP15[CP15_ISA_FEATURE_1];
if (opcode_2 == 2)
return cpu->CP15[CP15_ISA_FEATURE_2];
if (opcode_2 == 3)
return cpu->CP15[CP15_ISA_FEATURE_3];
if (opcode_2 == 4)
return cpu->CP15[CP15_ISA_FEATURE_4];
}
}
if (crn == 1 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_CONTROL];
if (opcode_2 == 1)
return cpu->CP15[CP15_AUXILIARY_CONTROL];
if (opcode_2 == 2)
return cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL];
}
if (crn == 2 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0];
if (opcode_2 == 1)
return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1];
if (opcode_2 == 2)
return cpu->CP15[CP15_TRANSLATION_BASE_CONTROL];
}
if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
return cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL];
if (crn == 5 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_FAULT_STATUS];
if (opcode_2 == 1)
return cpu->CP15[CP15_INSTR_FAULT_STATUS];
}
if (crn == 6 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_FAULT_ADDRESS];
if (opcode_2 == 1)
return cpu->CP15[CP15_WFAR];
}
if (crn == 7 && opcode_1 == 0 && crm == 4 && opcode_2 == 0)
return cpu->CP15[CP15_PHYS_ADDRESS];
if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
return cpu->CP15[CP15_DATA_CACHE_LOCKDOWN];
if (crn == 10 && opcode_1 == 0)
{
if (crm == 0 && opcode_2 == 0)
return cpu->CP15[CP15_TLB_LOCKDOWN];
if (crm == 2)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_PRIMARY_REGION_REMAP];
if (opcode_2 == 1)
return cpu->CP15[CP15_NORMAL_REGION_REMAP];
}
}
if (crn == 13 && crm == 0)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_PID];
if (opcode_2 == 1)
return cpu->CP15[CP15_CONTEXT_ID];
if (opcode_2 == 4)
return cpu->CP15[CP15_THREAD_PRW];
}
if (crn == 15)
{
if (opcode_1 == 0 && crm == 12)
{
if (opcode_2 == 0)
return cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL];
if (opcode_2 == 1)
return cpu->CP15[CP15_CYCLE_COUNTER];
if (opcode_2 == 2)
return cpu->CP15[CP15_COUNT_0];
if (opcode_2 == 3)
return cpu->CP15[CP15_COUNT_1];
}
if (opcode_1 == 5 && opcode_2 == 2)
{
if (crm == 5)
return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS];
if (crm == 6)
return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS];
if (crm == 7)
return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE];
}
if (opcode_1 == 7 && crm == 1 && opcode_2 == 0)
return cpu->CP15[CP15_TLB_DEBUG_CONTROL];
}
}
LOG_ERROR(Core_ARM11, "MRC CRn=%u, CRm=%u, OP1=%u OP2=%u is not implemented. Returning zero.", crn, crm, opcode_1, opcode_2);
return 0;
}
// Write to the CP15 registers. Used with implementation of the MCR instruction.
// Note that since the 3DS does not have the hypervisor extensions, these registers
// are not implemented.
void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2)
{
if (InAPrivilegedMode(cpu))
{
if (crn == 1 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15_CONTROL] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_AUXILIARY_CONTROL] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = value;
}
else if (crn == 2 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = value;
}
else if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = value;
}
else if (crn == 5 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15_FAULT_STATUS] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INSTR_FAULT_STATUS] = value;
}
else if (crn == 6 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15_FAULT_ADDRESS] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_WFAR] = value;
}
else if (crn == 7 && opcode_1 == 0)
{
if (crm == 0 && opcode_2 == 4)
{
cpu->CP15[CP15_WAIT_FOR_INTERRUPT] = value;
}
else if (crm == 4 && opcode_2 == 0)
{
// NOTE: Not entirely accurate. This should do permission checks.
cpu->CP15[CP15_PHYS_ADDRESS] = Memory::VirtualToPhysicalAddress(value);
}
else if (crm == 5)
{
if (opcode_2 == 0)
cpu->CP15[CP15_INVALIDATE_INSTR_CACHE] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_MVA] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_INDEX] = value;
else if (opcode_2 == 6)
cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE] = value;
else if (opcode_2 == 7)
cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY] = value;
}
else if (crm == 6)
{
if (opcode_2 == 0)
cpu->CP15[CP15_INVALIDATE_DATA_CACHE] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value;
}
else if (crm == 7 && opcode_2 == 0)
{
cpu->CP15[CP15_INVALIDATE_DATA_AND_INSTR_CACHE] = value;
}
else if (crm == 10)
{
if (opcode_2 == 0)
cpu->CP15[CP15_CLEAN_DATA_CACHE] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_MVA] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX] = value;
}
else if (crm == 14)
{
if (opcode_2 == 0)
cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value;
}
}
else if (crn == 8 && opcode_1 == 0)
{
LOG_WARNING(Core_ARM11, "TLB operations not fully implemented.");
if (crm == 5)
{
if (opcode_2 == 0)
cpu->CP15[CP15_INVALIDATE_ITLB] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INVALIDATE_ITLB_SINGLE_ENTRY] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_MVA] = value;
}
else if (crm == 6)
{
if (opcode_2 == 0)
cpu->CP15[CP15_INVALIDATE_DTLB] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INVALIDATE_DTLB_SINGLE_ENTRY] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_MVA] = value;
}
else if (crm == 7)
{
if (opcode_2 == 0)
cpu->CP15[CP15_INVALIDATE_UTLB] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_INVALIDATE_UTLB_SINGLE_ENTRY] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_MVA] = value;
}
}
else if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = value;
}
else if (crn == 10 && opcode_1 == 0)
{
if (crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15_TLB_LOCKDOWN] = value;
}
else if (crm == 2)
{
if (opcode_2 == 0)
cpu->CP15[CP15_PRIMARY_REGION_REMAP] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_NORMAL_REGION_REMAP] = value;
}
}
else if (crn == 13 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15_PID] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_CONTEXT_ID] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15_THREAD_URO] = value;
else if (opcode_2 == 4)
cpu->CP15[CP15_THREAD_PRW] = value;
}
else if (crn == 15)
{
if (opcode_1 == 0 && crm == 12)
{
if (opcode_2 == 0)
cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15_CYCLE_COUNTER] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15_COUNT_0] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15_COUNT_1] = value;
}
else if (opcode_1 == 5)
{
if (crm == 4)
{
if (opcode_2 == 2)
cpu->CP15[CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY] = value;
else if (opcode_2 == 4)
cpu->CP15[CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY] = value;
}
else if (crm == 5 && opcode_2 == 2)
{
cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = value;
}
else if (crm == 6 && opcode_2 == 2)
{
cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = value;
}
else if (crm == 7 && opcode_2 == 2)
{
cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = value;
}
}
else if (opcode_1 == 7 && crm == 1 && opcode_2 == 0)
{
cpu->CP15[CP15_TLB_DEBUG_CONTROL] = value;
}
}
}
// Unprivileged registers
if (crn == 7 && opcode_1 == 0 && crm == 5 && opcode_2 == 4)
{
cpu->CP15[CP15_FLUSH_PREFETCH_BUFFER] = value;
}
else if (crn == 7 && opcode_1 == 0 && crm == 10)
{
if (opcode_2 == 4)
cpu->CP15[CP15_DATA_SYNC_BARRIER] = value;
else if (opcode_2 == 5)
cpu->CP15[CP15_DATA_MEMORY_BARRIER] = value;
}
else if (crn == 13 && opcode_1 == 0 && crm == 0 && opcode_2 == 2)
{
cpu->CP15[CP15_THREAD_UPRW] = value;
}
}