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dyncom: Set CP15 reset values on initialization

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This commit is contained in:
Lioncash 2015-04-06 09:12:55 -04:00
parent 8997cfaeb4
commit e628ed4810
1 changed files with 60 additions and 0 deletions
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60
src/core/arm/interpreter/arminit.cpp
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@ -66,6 +66,64 @@ void ARMul_SelectProcessor(ARMul_State* state, unsigned properties)
ARMul_CoProInit(state);
}
// Resets certain MPCore CP15 values to their ARM-defined reset values.
static void ResetMPCoreCP15Registers(ARMul_State* cpu)
{
// c0
cpu->CP15[CP15(CP15_MAIN_ID)] = 0x410FB024;
cpu->CP15[CP15(CP15_TLB_TYPE)] = 0x00000800;
cpu->CP15[CP15(CP15_PROCESSOR_FEATURE_0)] = 0x00000111;
cpu->CP15[CP15(CP15_PROCESSOR_FEATURE_1)] = 0x00000001;
cpu->CP15[CP15(CP15_DEBUG_FEATURE_0)] = 0x00000002;
cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_0)] = 0x01100103;
cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_1)] = 0x10020302;
cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_2)] = 0x01222000;
cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_3)] = 0x00000000;
cpu->CP15[CP15(CP15_ISA_FEATURE_0)] = 0x00100011;
cpu->CP15[CP15(CP15_ISA_FEATURE_1)] = 0x12002111;
cpu->CP15[CP15(CP15_ISA_FEATURE_2)] = 0x11221011;
cpu->CP15[CP15(CP15_ISA_FEATURE_3)] = 0x01102131;
cpu->CP15[CP15(CP15_ISA_FEATURE_4)] = 0x00000141;
// c1
cpu->CP15[CP15(CP15_CONTROL)] = 0x00054078;
cpu->CP15[CP15(CP15_AUXILIARY_CONTROL)] = 0x0000000F;
cpu->CP15[CP15(CP15_COPROCESSOR_ACCESS_CONTROL)] = 0x00000000;
// c2
cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_0)] = 0x00000000;
cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_1)] = 0x00000000;
cpu->CP15[CP15(CP15_TRANSLATION_BASE_CONTROL)] = 0x00000000;
// c3
cpu->CP15[CP15(CP15_DOMAIN_ACCESS_CONTROL)] = 0x00000000;
// c7
cpu->CP15[CP15(CP15_PHYS_ADDRESS)] = 0x00000000;
// c9
cpu->CP15[CP15(CP15_DATA_CACHE_LOCKDOWN)] = 0xFFFFFFF0;
// c10
cpu->CP15[CP15(CP15_TLB_LOCKDOWN)] = 0x00000000;
cpu->CP15[CP15(CP15_PRIMARY_REGION_REMAP)] = 0x00098AA4;
cpu->CP15[CP15(CP15_NORMAL_REGION_REMAP)] = 0x44E048E0;
// c13
cpu->CP15[CP15(CP15_PID)] = 0x00000000;
cpu->CP15[CP15(CP15_CONTEXT_ID)] = 0x00000000;
cpu->CP15[CP15(CP15_THREAD_UPRW)] = 0x00000000;
cpu->CP15[CP15(CP15_THREAD_URO)] = 0x00000000;
cpu->CP15[CP15(CP15_THREAD_PRW)] = 0x00000000;
// c15
cpu->CP15[CP15(CP15_PERFORMANCE_MONITOR_CONTROL)] = 0x00000000;
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS)] = 0x00000000;
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS)] = 0x00000000;
cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE)] = 0x00000000;
cpu->CP15[CP15(CP15_TLB_DEBUG_CONTROL)] = 0x00000000;
}
/***************************************************************************\
* Call this routine to set up the initial machine state (or perform a RESET *
\***************************************************************************/
@ -80,6 +138,8 @@ void ARMul_Reset(ARMul_State* state)
state->Bank = SVCBANK;
FLUSHPIPE;
ResetMPCoreCP15Registers(state);
state->EndCondition = 0;
state->ErrorCode = 0;