Add KVM register access functions for the uint32_t type. This is required for FP and MSA control registers, which are represented as unsigned 32-bit integers.
Signed-off-by: James Hogan <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Leon Alrae <[email protected]> Cc: Aurelien Jarno <[email protected]> --- Changes in v3: - Fix big endian (the pointer passed to the kernel must be for the actual 32-bit value, not a temporary 64-bit value, otherwise on big endian systems the kernel will only interpret the upper half). --- target-mips/kvm.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/target-mips/kvm.c b/target-mips/kvm.c index ead8c5f73930..826709f66896 100644 --- a/target-mips/kvm.c +++ b/target-mips/kvm.c @@ -243,6 +243,17 @@ static inline int kvm_mips_put_one_reg(CPUState *cs, uint64_t reg_id, return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &cp0reg); } +static inline int kvm_mips_put_one_ureg(CPUState *cs, uint64_t reg_id, + uint32_t *addr) +{ + struct kvm_one_reg cp0reg = { + .id = reg_id, + .addr = (uintptr_t)addr + }; + + return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &cp0reg); +} + static inline int kvm_mips_put_one_ulreg(CPUState *cs, uint64_t reg_id, target_ulong *addr) { @@ -283,6 +294,17 @@ static inline int kvm_mips_get_one_reg(CPUState *cs, uint64_t reg_id, return ret; } +static inline int kvm_mips_get_one_ureg(CPUState *cs, uint64_t reg_id, + uint32_t *addr) +{ + struct kvm_one_reg cp0reg = { + .id = reg_id, + .addr = (uintptr_t)addr + }; + + return kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, &cp0reg); +} + static inline int kvm_mips_get_one_ulreg(CPUState *cs, uint64 reg_id, target_ulong *addr) { -- 2.0.5
