N-archive/citra
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

dyncom: Move CP15 register writing into its own function.

Browse source 
Also implements writing to the rest of the ARM11 MPCore CP15 register set.
This commit is contained in:
Lioncash 2015-03-26 15:25:04 -04:00
parent 5e5954c63b
commit 490df716f3
4 changed files with 265 additions and 88 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

90
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
View file

@ -4761,94 +4761,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
if (inst_cream->Rd == 15) {
DEBUG_MSG;
} else {
if (inst_cream->cp_num == 15) {
if (CRn == 1 && CRm == 0 && OPCODE_2 == 0) {
CP15_REG(CP15_CONTROL) = RD;
} else if (CRn == 1 && CRm == 0 && OPCODE_2 == 1) {
CP15_REG(CP15_AUXILIARY_CONTROL) = RD;
} else if (CRn == 1 && CRm == 0 && OPCODE_2 == 2) {
CP15_REG(CP15_COPROCESSOR_ACCESS_CONTROL) = RD;
} else if (CRn == 2 && CRm == 0 && OPCODE_2 == 0) {
CP15_REG(CP15_TRANSLATION_BASE_TABLE_0) = RD;
} else if (CRn == 2 && CRm == 0 && OPCODE_2 == 1) {
CP15_REG(CP15_TRANSLATION_BASE_TABLE_1) = RD;
} else if (CRn == 2 && CRm == 0 && OPCODE_2 == 2) {
CP15_REG(CP15_TRANSLATION_BASE_CONTROL) = RD;
} else if (CRn == 3 && CRm == 0 && OPCODE_2 == 0) {
CP15_REG(CP15_DOMAIN_ACCESS_CONTROL) = RD;
} else if(CRn == MMU_CACHE_OPS){
//LOG_WARNING(Core_ARM11, "cache operations have not implemented.");
} else if(CRn == MMU_TLB_OPS){
switch (CRm) {
case 5: // ITLB
switch(OPCODE_2) {
case 0: // Invalidate all
LOG_DEBUG(Core_ARM11, "{TLB} [INSN] invalidate all");
break;
case 1: // Invalidate by MVA
LOG_DEBUG(Core_ARM11, "{TLB} [INSN] invalidate by mva");
break;
case 2: // Invalidate by asid
LOG_DEBUG(Core_ARM11, "{TLB} [INSN] invalidate by asid");
break;
default:
break;
}
break;
case 6: // DTLB
switch(OPCODE_2){
case 0: // Invalidate all
LOG_DEBUG(Core_ARM11, "{TLB} [DATA] invalidate all");
break;
case 1: // Invalidate by MVA
LOG_DEBUG(Core_ARM11, "{TLB} [DATA] invalidate by mva");
break;
case 2: // Invalidate by asid
LOG_DEBUG(Core_ARM11, "{TLB} [DATA] invalidate by asid");
break;
default:
break;
}
break;
case 7: // UNIFILED TLB
switch(OPCODE_2){
case 0: // invalidate all
LOG_DEBUG(Core_ARM11, "{TLB} [UNIFILED] invalidate all");
break;
case 1: // Invalidate by MVA
LOG_DEBUG(Core_ARM11, "{TLB} [UNIFILED] invalidate by mva");
break;
case 2: // Invalidate by asid
LOG_DEBUG(Core_ARM11, "{TLB} [UNIFILED] invalidate by asid");
break;
default:
break;
}
break;
default:
break;
}
} else if(CRn == MMU_PID) {
if(OPCODE_2 == 0) {
CP15_REG(CP15_PID) = RD;
} else if(OPCODE_2 == 1) {
CP15_REG(CP15_CONTEXT_ID) = RD;
} else if (OPCODE_2 == 2) {
CP15_REG(CP15_THREAD_UPRW) = RD;
} else if(OPCODE_2 == 3) {
if (InAPrivilegedMode(cpu))
CP15_REG(CP15_THREAD_URO) = RD;
} else if (OPCODE_2 == 4) {
if (InAPrivilegedMode(cpu))
CP15_REG(CP15_THREAD_PRW) = RD;
} else {
LOG_ERROR(Core_ARM11, "mmu_mcr wrote UNKNOWN - reg %d", CRn);
}
} else {
LOG_ERROR(Core_ARM11, "mcr CRn=%d, CRm=%d OP2=%d is not implemented", CRn, CRm, OPCODE_2);
}
}
if (inst_cream->cp_num == 15)
WriteCP15Register(cpu, RD, CRn, OPCODE_1, CRm, OPCODE_2);
}
}
cpu->Reg[15] += GET_INST_SIZE(cpu);

229
src/core/arm/interpreter/armsupp.cpp
View file

@ -409,3 +409,232 @@ u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcod
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(CP15_CONTROL)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_AUXILIARY_CONTROL)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_COPROCESSOR_ACCESS_CONTROL)] = value;
}
else if (crn == 2 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_0)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_1)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_TRANSLATION_BASE_CONTROL)] = value;
}
else if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15(CP15_DOMAIN_ACCESS_CONTROL)] = value;
}
else if (crn == 5 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_FAULT_STATUS)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INSTR_FAULT_STATUS)] = value;
}
else if (crn == 6 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_FAULT_ADDRESS)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_WFAR)] = value;
}
else if (crn == 7 && opcode_1 == 0)
{
LOG_WARNING(Core_ARM11, "Cache operations are not fully implemented.");
if (crm == 0 && opcode_2 == 4)
{
cpu->CP15[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(CP15_PHYS_ADDRESS)] = Memory::VirtualToPhysicalAddress(value);
}
else if (crm == 5)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_INVALIDATE_INSTR_CACHE)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INVALIDATE_INSTR_CACHE_USING_MVA)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_INVALIDATE_INSTR_CACHE_USING_INDEX)] = value;
else if (opcode_2 == 6)
cpu->CP15[CP15(CP15_FLUSH_BRANCH_TARGET_CACHE)] = value;
else if (opcode_2 == 7)
cpu->CP15[CP15(CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY)] = value;
}
else if (crm == 6)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_INVALIDATE_DATA_CACHE)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX)] = value;
}
else if (crm == 7 && opcode_2 == 0)
{
cpu->CP15[CP15(CP15_INVALIDATE_DATA_AND_INSTR_CACHE)] = value;
}
else if (crm == 10)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_CLEAN_DATA_CACHE)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_CLEAN_DATA_CACHE_LINE_USING_MVA)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX)] = value;
}
else if (crm == 14)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_CLEAN_AND_INVALIDATE_DATA_CACHE)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA)] = value;
else if (opcode_2 == 2)
cpu->CP15[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(CP15_INVALIDATE_ITLB)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INVALIDATE_ITLB_SINGLE_ENTRY)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH)] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15(CP15_INVALIDATE_ITLB_ENTRY_ON_MVA)] = value;
}
else if (crm == 6)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_INVALIDATE_DTLB)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INVALIDATE_DTLB_SINGLE_ENTRY)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH)] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15(CP15_INVALIDATE_DTLB_ENTRY_ON_MVA)] = value;
}
else if (crm == 7)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_INVALIDATE_UTLB)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_INVALIDATE_UTLB_SINGLE_ENTRY)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH)] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15(CP15_INVALIDATE_UTLB_ENTRY_ON_MVA)] = value;
}
}
else if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15(CP15_DATA_CACHE_LOCKDOWN)] = value;
}
else if (crn == 10 && opcode_1 == 0)
{
if (crm == 0 && opcode_2 == 0)
{
cpu->CP15[CP15(CP15_TLB_LOCKDOWN)] = value;
}
else if (crm == 2)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_PRIMARY_REGION_REMAP)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_NORMAL_REGION_REMAP)] = value;
}
}
else if (crn == 13 && opcode_1 == 0 && crm == 0)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_PID)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_CONTEXT_ID)] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15(CP15_THREAD_URO)] = value;
else if (opcode_2 == 4)
cpu->CP15[CP15(CP15_THREAD_PRW)] = value;
}
else if (crn == 15)
{
if (opcode_1 == 0 && crm == 12)
{
if (opcode_2 == 0)
cpu->CP15[CP15(CP15_PERFORMANCE_MONITOR_CONTROL)] = value;
else if (opcode_2 == 1)
cpu->CP15[CP15(CP15_CYCLE_COUNTER)] = value;
else if (opcode_2 == 2)
cpu->CP15[CP15(CP15_COUNT_0)] = value;
else if (opcode_2 == 3)
cpu->CP15[CP15(CP15_COUNT_1)] = value;
}
else if (opcode_1 == 5)
{
if (crm == 4)
{
if (opcode_2 == 2)
cpu->CP15[CP15(CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY)] = value;
else if (opcode_2 == 4)
cpu->CP15[CP15(CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY)] = value;
}
else if (crm == 5 && opcode_2 == 2)
{
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS)] = value;
}
else if (crm == 6 && opcode_2 == 2)
{
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS)] = value;
}
else if (crm == 7 && opcode_2 == 2)
{
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE)] = value;
}
}
else if (opcode_1 == 7 && crm == 1 && opcode_2 == 0)
{
cpu->CP15[CP15(CP15_TLB_DEBUG_CONTROL)] = value;
}
}
}
// Unprivileged registers
if (crn == 7 && opcode_1 == 0 && crm == 5 && opcode_2 == 4)
{
cpu->CP15[CP15(CP15_FLUSH_PREFETCH_BUFFER)] = value;
}
else if (crn == 7 && opcode_1 == 0 && crm == 10)
{
if (opcode_2 == 4)
cpu->CP15[CP15(CP15_DATA_SYNC_BARRIER)] = value;
else if (opcode_2 == 5)
cpu->CP15[CP15(CP15_DATA_MEMORY_BARRIER)] = value;
}
else if (crn == 13 && opcode_1 == 0 && crm == 0 && opcode_2 == 2)
{
cpu->CP15[CP15(CP15_THREAD_UPRW)] = value;
}
}

33
src/core/arm/skyeye_common/arm_regformat.h
View file

@ -105,7 +105,40 @@ enum {
CP15_IFAR,
// c7 - Cache operation registers
CP15_WAIT_FOR_INTERRUPT,
CP15_PHYS_ADDRESS,
CP15_INVALIDATE_INSTR_CACHE,
CP15_INVALIDATE_INSTR_CACHE_USING_MVA,
CP15_INVALIDATE_INSTR_CACHE_USING_INDEX,
CP15_FLUSH_PREFETCH_BUFFER,
CP15_FLUSH_BRANCH_TARGET_CACHE,
CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY,
CP15_INVALIDATE_DATA_CACHE,
CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA,
CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX,
CP15_INVALIDATE_DATA_AND_INSTR_CACHE,
CP15_CLEAN_DATA_CACHE,
CP15_CLEAN_DATA_CACHE_LINE_USING_MVA,
CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX,
CP15_DATA_SYNC_BARRIER,
CP15_DATA_MEMORY_BARRIER,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX,
// c8 - TLB operations
CP15_INVALIDATE_ITLB,
CP15_INVALIDATE_ITLB_SINGLE_ENTRY,
CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_ITLB_ENTRY_ON_MVA,
CP15_INVALIDATE_DTLB,
CP15_INVALIDATE_DTLB_SINGLE_ENTRY,
CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_DTLB_ENTRY_ON_MVA,
CP15_INVALIDATE_UTLB,
CP15_INVALIDATE_UTLB_SINGLE_ENTRY,
CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_UTLB_ENTRY_ON_MVA,
// c9 - Data cache lockdown register
CP15_DATA_CACHE_LOCKDOWN,

1
src/core/arm/skyeye_common/armdefs.h
View file

@ -360,3 +360,4 @@ extern bool InBigEndianMode(ARMul_State*);
extern bool InAPrivilegedMode(ARMul_State*);
extern u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);
extern void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);