diff options
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 1e6ae3b2e6dd..de209059fd34 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1538,6 +1538,30 @@ static bool access_sp_el1(struct kvm_vcpu *vcpu, return true; } +static bool access_elr(struct kvm_vcpu *vcpu, + struct sys_reg_params *p, + const struct sys_reg_desc *r) +{ + if (p->is_write) + vcpu_write_sys_reg(vcpu, p->regval, ELR_EL1); + else + p->regval = vcpu_read_sys_reg(vcpu, ELR_EL1); + + return true; +} + +static bool access_spsr(struct kvm_vcpu *vcpu, + struct sys_reg_params *p, + const struct sys_reg_desc *r) +{ + if (p->is_write) + __vcpu_sys_reg(vcpu, SPSR_EL1) = p->regval; + else + p->regval = __vcpu_sys_reg(vcpu, SPSR_EL1); + + return true; +} + /* * Architected system registers. * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2 @@ -1694,6 +1718,9 @@ static const struct sys_reg_desc sys_reg_descs[] = { PTRAUTH_KEY(APDB), PTRAUTH_KEY(APGA), + { SYS_DESC(SYS_SPSR_EL1), access_spsr}, + { SYS_DESC(SYS_ELR_EL1), access_elr}, + { SYS_DESC(SYS_AFSR0_EL1), access_vm_reg, reset_unknown, AFSR0_EL1 }, { SYS_DESC(SYS_AFSR1_EL1), access_vm_reg, reset_unknown, AFSR1_EL1 }, { SYS_DESC(SYS_ESR_EL1), access_vm_reg, reset_unknown, ESR_EL1 }, @@ -1741,7 +1768,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_LORC_EL1), trap_loregion }, { SYS_DESC(SYS_LORID_EL1), trap_loregion }, - { SYS_DESC(SYS_VBAR_EL1), NULL, reset_val, VBAR_EL1, 0 }, + { SYS_DESC(SYS_VBAR_EL1), access_rw, reset_val, VBAR_EL1, 0 }, { SYS_DESC(SYS_DISR_EL1), NULL, reset_val, DISR_EL1, 0 }, { SYS_DESC(SYS_ICC_IAR0_EL1), write_to_read_only }, |