From: Shannon Zhao <shannon.z...@linaro.org> Since the reset value of PMINTENSET and PMINTENCLR is UNKNOWN, use reset_unknown for its reset handler. Add a new case to emulate writing PMINTENSET or PMINTENCLR register.
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org> --- arch/arm64/kvm/sys_regs.c | 34 ++++++++++++++++++++++++++++++---- 1 file changed, 30 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index e852e5d..a4f9177 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -547,6 +547,18 @@ static bool access_pmu_regs(struct kvm_vcpu *vcpu, vcpu_sys_reg(vcpu, PMCNTENSET_EL0) &= ~val; break; } + case PMINTENSET_EL1: { + val = *vcpu_reg(vcpu, p->Rt); + vcpu_sys_reg(vcpu, r->reg) |= val; + vcpu_sys_reg(vcpu, PMINTENCLR_EL1) |= val; + break; + } + case PMINTENCLR_EL1: { + val = *vcpu_reg(vcpu, p->Rt); + vcpu_sys_reg(vcpu, r->reg) &= ~val; + vcpu_sys_reg(vcpu, PMINTENSET_EL1) &= ~val; + break; + } case PMCR_EL0: { /* Only update writeable bits of PMCR */ val = vcpu_sys_reg(vcpu, r->reg); @@ -742,10 +754,10 @@ static const struct sys_reg_desc sys_reg_descs[] = { /* PMINTENSET_EL1 */ { Op0(0b11), Op1(0b000), CRn(0b1001), CRm(0b1110), Op2(0b001), - trap_raz_wi }, + access_pmu_regs, reset_unknown, PMINTENSET_EL1 }, /* PMINTENCLR_EL1 */ { Op0(0b11), Op1(0b000), CRn(0b1001), CRm(0b1110), Op2(0b010), - trap_raz_wi }, + access_pmu_regs, reset_unknown, PMINTENCLR_EL1 }, /* MAIR_EL1 */ { Op0(0b11), Op1(0b000), CRn(0b1010), CRm(0b0010), Op2(0b000), @@ -1079,6 +1091,18 @@ static bool access_pmu_cp15_regs(struct kvm_vcpu *vcpu, vcpu_cp15(vcpu, c9_PMCNTENSET) &= ~val; break; } + case c9_PMINTENSET: { + val = *vcpu_reg(vcpu, p->Rt); + vcpu_cp15(vcpu, r->reg) |= val; + vcpu_cp15(vcpu, c9_PMINTENCLR) |= val; + break; + } + case c9_PMINTENCLR: { + val = *vcpu_reg(vcpu, p->Rt); + vcpu_cp15(vcpu, r->reg) &= ~val; + vcpu_cp15(vcpu, c9_PMINTENSET) &= ~val; + break; + } case c9_PMCR: { /* Only update writeable bits of PMCR */ val = vcpu_cp15(vcpu, r->reg); @@ -1178,8 +1202,10 @@ static const struct sys_reg_desc cp15_regs[] = { { Op1( 0), CRn( 9), CRm(13), Op2( 2), access_pmu_cp15_regs, NULL, c9_PMXEVCNTR }, { Op1( 0), CRn( 9), CRm(14), Op2( 0), trap_raz_wi }, - { Op1( 0), CRn( 9), CRm(14), Op2( 1), trap_raz_wi }, - { Op1( 0), CRn( 9), CRm(14), Op2( 2), trap_raz_wi }, + { Op1( 0), CRn( 9), CRm(14), Op2( 1), access_pmu_cp15_regs, + NULL, c9_PMINTENSET }, + { Op1( 0), CRn( 9), CRm(14), Op2( 2), access_pmu_cp15_regs, + NULL, c9_PMINTENCLR }, { Op1( 0), CRn(10), CRm( 2), Op2( 0), access_vm_reg, NULL, c10_PRRR }, { Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, c10_NMRR }, -- 2.0.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html