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dyncom: Set CP15 reset values on initialization
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8997cfaeb4
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@ -66,6 +66,64 @@ void ARMul_SelectProcessor(ARMul_State* state, unsigned properties)
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ARMul_CoProInit(state);
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}
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// Resets certain MPCore CP15 values to their ARM-defined reset values.
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static void ResetMPCoreCP15Registers(ARMul_State* cpu)
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{
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// c0
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cpu->CP15[CP15(CP15_MAIN_ID)] = 0x410FB024;
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cpu->CP15[CP15(CP15_TLB_TYPE)] = 0x00000800;
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cpu->CP15[CP15(CP15_PROCESSOR_FEATURE_0)] = 0x00000111;
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cpu->CP15[CP15(CP15_PROCESSOR_FEATURE_1)] = 0x00000001;
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cpu->CP15[CP15(CP15_DEBUG_FEATURE_0)] = 0x00000002;
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cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_0)] = 0x01100103;
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cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_1)] = 0x10020302;
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cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_2)] = 0x01222000;
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cpu->CP15[CP15(CP15_MEMORY_MODEL_FEATURE_3)] = 0x00000000;
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cpu->CP15[CP15(CP15_ISA_FEATURE_0)] = 0x00100011;
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cpu->CP15[CP15(CP15_ISA_FEATURE_1)] = 0x12002111;
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cpu->CP15[CP15(CP15_ISA_FEATURE_2)] = 0x11221011;
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cpu->CP15[CP15(CP15_ISA_FEATURE_3)] = 0x01102131;
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cpu->CP15[CP15(CP15_ISA_FEATURE_4)] = 0x00000141;
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// c1
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cpu->CP15[CP15(CP15_CONTROL)] = 0x00054078;
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cpu->CP15[CP15(CP15_AUXILIARY_CONTROL)] = 0x0000000F;
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cpu->CP15[CP15(CP15_COPROCESSOR_ACCESS_CONTROL)] = 0x00000000;
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// c2
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cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_0)] = 0x00000000;
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cpu->CP15[CP15(CP15_TRANSLATION_BASE_TABLE_1)] = 0x00000000;
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cpu->CP15[CP15(CP15_TRANSLATION_BASE_CONTROL)] = 0x00000000;
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// c3
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cpu->CP15[CP15(CP15_DOMAIN_ACCESS_CONTROL)] = 0x00000000;
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// c7
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cpu->CP15[CP15(CP15_PHYS_ADDRESS)] = 0x00000000;
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// c9
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cpu->CP15[CP15(CP15_DATA_CACHE_LOCKDOWN)] = 0xFFFFFFF0;
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// c10
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cpu->CP15[CP15(CP15_TLB_LOCKDOWN)] = 0x00000000;
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cpu->CP15[CP15(CP15_PRIMARY_REGION_REMAP)] = 0x00098AA4;
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cpu->CP15[CP15(CP15_NORMAL_REGION_REMAP)] = 0x44E048E0;
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// c13
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cpu->CP15[CP15(CP15_PID)] = 0x00000000;
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cpu->CP15[CP15(CP15_CONTEXT_ID)] = 0x00000000;
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cpu->CP15[CP15(CP15_THREAD_UPRW)] = 0x00000000;
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cpu->CP15[CP15(CP15_THREAD_URO)] = 0x00000000;
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cpu->CP15[CP15(CP15_THREAD_PRW)] = 0x00000000;
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// c15
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cpu->CP15[CP15(CP15_PERFORMANCE_MONITOR_CONTROL)] = 0x00000000;
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cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS)] = 0x00000000;
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cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS)] = 0x00000000;
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cpu->CP15[CP15(CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE)] = 0x00000000;
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cpu->CP15[CP15(CP15_TLB_DEBUG_CONTROL)] = 0x00000000;
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}
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/***************************************************************************\
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* Call this routine to set up the initial machine state (or perform a RESET *
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\***************************************************************************/
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@ -80,6 +138,8 @@ void ARMul_Reset(ARMul_State* state)
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state->Bank = SVCBANK;
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FLUSHPIPE;
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ResetMPCoreCP15Registers(state);
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state->EndCondition = 0;
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state->ErrorCode = 0;
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