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arm_interface: Support retrieval/storage to CP15 registers
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@ -6,6 +6,7 @@
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#include "common/common.h"
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#include "common/common_types.h"
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#include "core/arm/skyeye_common/arm_regformat.h"
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namespace Core {
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struct ThreadContext;
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@ -73,6 +74,20 @@ public:
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*/
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virtual void SetCPSR(u32 cpsr) = 0;
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/**
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* Gets the value stored in a CP15 register.
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* @param reg The CP15 register to retrieve the value from.
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* @return the value stored in the given CP15 register.
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*/
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virtual u32 GetCP15Register(CP15Register reg) = 0;
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/**
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* Stores the given value into the indicated CP15 register.
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* @param reg The CP15 register to store the value into.
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* @param value The value to store into the CP15 register.
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*/
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virtual void SetCP15Register(CP15Register reg, u32 value) = 0;
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/**
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* Advance the CPU core by the specified number of ticks (e.g. to simulate CPU execution time)
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* @param ticks Number of ticks to advance the CPU core
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@ -68,6 +68,14 @@ void ARM_DynCom::SetCPSR(u32 cpsr) {
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state->Cpsr = cpsr;
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}
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u32 ARM_DynCom::GetCP15Register(CP15Register reg) {
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return state->CP15[reg];
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}
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void ARM_DynCom::SetCP15Register(CP15Register reg, u32 value) {
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state->CP15[reg] = value;
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}
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void ARM_DynCom::AddTicks(u64 ticks) {
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down_count -= ticks;
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if (down_count < 0)
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@ -22,6 +22,8 @@ public:
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void SetReg(int index, u32 value) override;
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u32 GetCPSR() const override;
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void SetCPSR(u32 cpsr) override;
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u32 GetCP15Register(CP15Register reg) override;
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void SetCP15Register(CP15Register reg, u32 value) override;
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void AddTicks(u64 ticks) override;
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