diff options
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 83c6b4a07ef5..986e63d4f9fa 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1412,26 +1412,146 @@ static bool access_arch_timer(struct kvm_vcpu *vcpu, switch (reg) { case SYS_CNTP_TVAL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HPTIMER; + else + tmr = TIMER_PTIMER; + treg = TIMER_REG_TVAL; + break; + + case SYS_CNTV_TVAL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HVTIMER; + else + tmr = TIMER_VTIMER; + treg = TIMER_REG_TVAL; + break; + case SYS_AARCH32_CNTP_TVAL: + case SYS_CNTP_TVAL_EL02: tmr = TIMER_PTIMER; treg = TIMER_REG_TVAL; break; + + case SYS_CNTV_TVAL_EL02: + tmr = TIMER_VTIMER; + treg = TIMER_REG_TVAL; + break; + + case SYS_CNTHP_TVAL_EL2: + tmr = TIMER_HPTIMER; + treg = TIMER_REG_TVAL; + break; + + case SYS_CNTHV_TVAL_EL2: + tmr = TIMER_HVTIMER; + treg = TIMER_REG_TVAL; + break; + case SYS_CNTP_CTL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HPTIMER; + else + tmr = TIMER_PTIMER; + treg = TIMER_REG_CTL; + break; + + case SYS_CNTV_CTL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HVTIMER; + else + tmr = TIMER_VTIMER; + treg = TIMER_REG_CTL; + break; + case SYS_AARCH32_CNTP_CTL: + case SYS_CNTP_CTL_EL02: tmr = TIMER_PTIMER; treg = TIMER_REG_CTL; break; + + case SYS_CNTV_CTL_EL02: + tmr = TIMER_VTIMER; + treg = TIMER_REG_CTL; + break; + + case SYS_CNTHP_CTL_EL2: + tmr = TIMER_HPTIMER; + treg = TIMER_REG_CTL; + break; + + case SYS_CNTHV_CTL_EL2: + tmr = TIMER_HVTIMER; + treg = TIMER_REG_CTL; + break; + case SYS_CNTP_CVAL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HPTIMER; + else + tmr = TIMER_PTIMER; + treg = TIMER_REG_CVAL; + break; + + case SYS_CNTV_CVAL_EL0: + if (is_hyp_ctxt(vcpu) && vcpu_el2_e2h_is_set(vcpu)) + tmr = TIMER_HVTIMER; + else + tmr = TIMER_VTIMER; + treg = TIMER_REG_CVAL; + break; + case SYS_AARCH32_CNTP_CVAL: + case SYS_CNTP_CVAL_EL02: tmr = TIMER_PTIMER; treg = TIMER_REG_CVAL; break; + + case SYS_CNTV_CVAL_EL02: + tmr = TIMER_VTIMER; + treg = TIMER_REG_CVAL; + break; + + case SYS_CNTHP_CVAL_EL2: + tmr = TIMER_HPTIMER; + treg = TIMER_REG_CVAL; + break; + + case SYS_CNTHV_CVAL_EL2: + tmr = TIMER_HVTIMER; + treg = TIMER_REG_CVAL; + break; + case SYS_CNTPCT_EL0: case SYS_CNTPCTSS_EL0: + if (is_hyp_ctxt(vcpu)) + tmr = TIMER_HPTIMER; + else + tmr = TIMER_PTIMER; + treg = TIMER_REG_CNT; + break; + case SYS_AARCH32_CNTPCT: + case SYS_AARCH32_CNTPCTSS: tmr = TIMER_PTIMER; treg = TIMER_REG_CNT; break; + + case SYS_CNTVCT_EL0: + case SYS_CNTVCTSS_EL0: + if (is_hyp_ctxt(vcpu)) + tmr = TIMER_HVTIMER; + else + tmr = TIMER_VTIMER; + treg = TIMER_REG_CNT; + break; + + case SYS_AARCH32_CNTVCT: + case SYS_AARCH32_CNTVCTSS: + tmr = TIMER_VTIMER; + treg = TIMER_REG_CNT; + break; + default: print_sys_reg_msg(p, "%s", "Unhandled trapped timer register"); return undef_access(vcpu, p, r); @@ -2901,11 +3021,17 @@ static const struct sys_reg_desc sys_reg_descs[] = { AMU_AMEVTYPER1_EL0(15), { SYS_DESC(SYS_CNTPCT_EL0), access_arch_timer }, + { SYS_DESC(SYS_CNTVCT_EL0), access_arch_timer }, { SYS_DESC(SYS_CNTPCTSS_EL0), access_arch_timer }, + { SYS_DESC(SYS_CNTVCTSS_EL0), access_arch_timer }, { SYS_DESC(SYS_CNTP_TVAL_EL0), access_arch_timer }, { SYS_DESC(SYS_CNTP_CTL_EL0), access_arch_timer }, { SYS_DESC(SYS_CNTP_CVAL_EL0), access_arch_timer }, + { SYS_DESC(SYS_CNTV_TVAL_EL0), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CTL_EL0), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CVAL_EL0), access_arch_timer }, + /* PMEVCNTRn_EL0 */ PMU_PMEVCNTR_EL0(0), PMU_PMEVCNTR_EL0(1), @@ -3057,9 +3183,24 @@ static const struct sys_reg_desc sys_reg_descs[] = { EL2_REG_VNCR(CNTVOFF_EL2, reset_val, 0), EL2_REG(CNTHCTL_EL2, access_rw, reset_val, 0), + { SYS_DESC(SYS_CNTHP_TVAL_EL2), access_arch_timer }, + EL2_REG(CNTHP_CTL_EL2, access_arch_timer, reset_val, 0), + EL2_REG(CNTHP_CVAL_EL2, access_arch_timer, reset_val, 0), + + { SYS_DESC(SYS_CNTHV_TVAL_EL2), access_arch_timer }, + EL2_REG(CNTHV_CTL_EL2, access_arch_timer, reset_val, 0), + EL2_REG(CNTHV_CVAL_EL2, access_arch_timer, reset_val, 0), { SYS_DESC(SYS_CNTKCTL_EL12), access_cntkctl_el12 }, + { SYS_DESC(SYS_CNTP_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CVAL_EL02), access_arch_timer }, + + { SYS_DESC(SYS_CNTV_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CVAL_EL02), access_arch_timer }, + EL2_REG(SP_EL2, NULL, reset_unknown, 0), }; @@ -3879,9 +4020,11 @@ static const struct sys_reg_desc cp15_64_regs[] = { { SYS_DESC(SYS_AARCH32_CNTPCT), access_arch_timer }, { Op1( 1), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, TTBR1_EL1 }, { Op1( 1), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_ASGI1R */ + { SYS_DESC(SYS_AARCH32_CNTVCT), access_arch_timer }, { Op1( 2), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_SGI0R */ { SYS_DESC(SYS_AARCH32_CNTP_CVAL), access_arch_timer }, { SYS_DESC(SYS_AARCH32_CNTPCTSS), access_arch_timer }, + { SYS_DESC(SYS_AARCH32_CNTVCTSS), access_arch_timer }, }; static bool check_sysreg_table(const struct sys_reg_desc *table, unsigned int n, |