diff options
Diffstat (limited to 'src/arch/arm/kvm/armv8_cpu.hh')
| -rw-r--r-- | src/arch/arm/kvm/armv8_cpu.hh | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/arch/arm/kvm/armv8_cpu.hh b/src/arch/arm/kvm/armv8_cpu.hh index 63e03908f..101ccc211 100644 --- a/src/arch/arm/kvm/armv8_cpu.hh +++ b/src/arch/arm/kvm/armv8_cpu.hh @@ -40,6 +40,7 @@ #ifndef __ARCH_ARM_KVM_ARMV8_CPU_HH__ #define __ARCH_ARM_KVM_ARMV8_CPU_HH__ +#include <set> #include <vector> #include "arch/arm/intregs.hh" @@ -107,8 +108,9 @@ class ArmV8KvmCPU : public BaseArmKvmCPU /** Mapping between misc registers in gem5 and registers in KVM */ struct MiscRegInfo { - MiscRegInfo(uint64_t _kvm, MiscRegIndex _idx, const char *_name) - : kvm(_kvm), idx(_idx), name(_name) {} + MiscRegInfo(uint64_t _kvm, MiscRegIndex _idx, const char *_name, + bool _is_device = false) + : kvm(_kvm), idx(_idx), name(_name), is_device(_is_device) {} /** Register index in KVM */ uint64_t kvm; @@ -116,6 +118,8 @@ class ArmV8KvmCPU : public BaseArmKvmCPU MiscRegIndex idx; /** Name to use in debug dumps */ const char *name; + /** is device register? (needs 'effectful' state update) */ + bool is_device; }; /** @@ -132,9 +136,11 @@ class ArmV8KvmCPU : public BaseArmKvmCPU /** Mapping between gem5 integer registers and integer registers in kvm */ static const std::vector<ArmV8KvmCPU::IntRegInfo> intRegMap; - /** Mapping between gem5 misc registers registers and registers in kvm */ + /** Mapping between gem5 misc registers and registers in kvm */ static const std::vector<ArmV8KvmCPU::MiscRegInfo> miscRegMap; - /** Mapping between gem5 ID misc registers registers and registers in kvm */ + /** Device registers (needing "effectful" MiscReg writes) */ + static const std::set<MiscRegIndex> deviceRegSet; + /** Mapping between gem5 ID misc registers and registers in kvm */ static const std::vector<ArmV8KvmCPU::MiscRegInfo> miscRegIdMap; /** Cached mapping between system registers in kvm and misc regs in gem5 */ |