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| author | Christoffer Dall <christoffer.dall@arm.com> | 2019-02-19 14:04:30 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-02-19 21:05:42 +0000 |
| commit | 9e01dc76be6a3b5768cb02130d2ff0055a68809a (patch) | |
| tree | 6763096554b5c4143f49ee0653faf5a1d7761fca /arch/arm | |
| parent | e604dd5d45c75c2112424dec74853efb708f4fa6 (diff) | |
| download | linux-0-day-9e01dc76be6a3b5768cb02130d2ff0055a68809a.tar.gz linux-0-day-9e01dc76be6a3b5768cb02130d2ff0055a68809a.tar.xz | |
KVM: arm/arm64: arch_timer: Assign the phys timer on VHE systems
VHE systems don't have to emulate the physical timer, we can simply
assign the EL1 physical timer directly to the VM as the host always
uses the EL2 timers.
In order to minimize the amount of cruft, AArch32 gets definitions for
the physical timer too, but is should be generally unused on this
architecture.
Co-written with Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/kvm_hyp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h index e93a0cac9addc..87bcd18df8d58 100644 --- a/arch/arm/include/asm/kvm_hyp.h +++ b/arch/arm/include/asm/kvm_hyp.h @@ -40,6 +40,7 @@ #define TTBR1 __ACCESS_CP15_64(1, c2) #define VTTBR __ACCESS_CP15_64(6, c2) #define PAR __ACCESS_CP15_64(0, c7) +#define CNTP_CVAL __ACCESS_CP15_64(2, c14) #define CNTV_CVAL __ACCESS_CP15_64(3, c14) #define CNTVOFF __ACCESS_CP15_64(4, c14) @@ -85,6 +86,7 @@ #define TID_PRIV __ACCESS_CP15(c13, 0, c0, 4) #define HTPIDR __ACCESS_CP15(c13, 4, c0, 2) #define CNTKCTL __ACCESS_CP15(c14, 0, c1, 0) +#define CNTP_CTL __ACCESS_CP15(c14, 0, c2, 1) #define CNTV_CTL __ACCESS_CP15(c14, 0, c3, 1) #define CNTHCTL __ACCESS_CP15(c14, 4, c1, 0) @@ -94,6 +96,8 @@ #define read_sysreg_el0(r) read_sysreg(r##_el0) #define write_sysreg_el0(v, r) write_sysreg(v, r##_el0) +#define cntp_ctl_el0 CNTP_CTL +#define cntp_cval_el0 CNTP_CVAL #define cntv_ctl_el0 CNTV_CTL #define cntv_cval_el0 CNTV_CVAL #define cntvoff_el2 CNTVOFF |