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CPU: Save and restore the TPIDR_EL0 system register on every context switch.

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Note that there's currently a dynarmic bug preventing this register from being written.
This commit is contained in:
Subv 2018-07-20 19:57:45 -05:00
commit d84eb9dac6
8 changed files with 39 additions and 0 deletions
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10
src/core/arm/unicorn/arm_unicorn.cpp
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@ -169,6 +169,16 @@ void ARM_Unicorn::SetTlsAddress(VAddr base) {
CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
}
u64 ARM_Unicorn::GetTPIDR_EL0() const {
u64 value{};
CHECKED(uc_reg_read(uc, UC_ARM64_REG_TPIDR_EL0, &value));
return value;
}
void ARM_Unicorn::SetTPIDR_EL0(u64 value) {
CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDR_EL0, &value));
}
void ARM_Unicorn::Run() {
if (GDBStub::IsServerEnabled()) {
ExecuteInstructions(std::max(4000000, 0));

2
src/core/arm/unicorn/arm_unicorn.h
View file

@ -28,6 +28,8 @@ public:
void SetCPSR(u32 cpsr) override;
VAddr GetTlsAddress() const override;
void SetTlsAddress(VAddr address) override;
void SetTPIDR_EL0(u64 value) override;
u64 GetTPIDR_EL0() const override;
void SaveContext(ThreadContext& ctx) override;
void LoadContext(const ThreadContext& ctx) override;
void PrepareReschedule() override;