summaryrefslogtreecommitdiff
path: root/arch/arm64/include
diff options
context:
space:
mode:
authorMarc Zyngier <maz@kernel.org>2025-01-06 20:48:19 +0300
committerMarc Zyngier <maz@kernel.org>2025-01-11 17:55:18 +0300
commit4e26de25d2b617e12bba98e11393fdf7c27885f9 (patch)
tree340998354de94bbf26cd697601fa7e124f0dbdf7 /arch/arm64/include
parentb7f345fbc32afab0f0b03c71c7eaf48b9a0ad7ed (diff)
parente5ecedcd7cc231a115c11cfed79635583ef4f882 (diff)
downloadlinux-4e26de25d2b617e12bba98e11393fdf7c27885f9.tar.xz
Merge remote-tracking branch 'arm64/for-next/cpufeature' into kvm-arm64/pkvm-fixed-features-6.14
Merge arm64/for-next/cpufeature to solve extensive conflicts caused by the CPACR_ELx->CPACR_EL1 repainting. Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/cpucaps.h2
-rw-r--r--arch/arm64/include/asm/cpufeature.h3
-rw-r--r--arch/arm64/include/asm/el2_setup.h6
-rw-r--r--arch/arm64/include/asm/kvm_arm.h2
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h40
-rw-r--r--arch/arm64/include/asm/kvm_nested.h8
6 files changed, 30 insertions, 31 deletions
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index cbbf70e0f204..0b5ca6e0eb09 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -46,6 +46,8 @@ cpucap_is_possible(const unsigned int cap)
return IS_ENABLED(CONFIG_ARM64_POE);
case ARM64_HAS_GCS:
return IS_ENABLED(CONFIG_ARM64_GCS);
+ case ARM64_HAFT:
+ return IS_ENABLED(CONFIG_ARM64_HAFT);
case ARM64_UNMAP_KERNEL_AT_EL0:
return IS_ENABLED(CONFIG_UNMAP_KERNEL_AT_EL0);
case ARM64_WORKAROUND_843419:
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 8b4e5a3cd24c..a4d0b77a68d9 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -852,8 +852,7 @@ static inline bool system_supports_gcs(void)
static inline bool system_supports_haft(void)
{
- return IS_ENABLED(CONFIG_ARM64_HAFT) &&
- cpus_have_final_cap(ARM64_HAFT);
+ return cpus_have_final_cap(ARM64_HAFT);
}
static __always_inline bool system_supports_mpam(void)
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h
index 4ef52d7245bb..25e162651750 100644
--- a/arch/arm64/include/asm/el2_setup.h
+++ b/arch/arm64/include/asm/el2_setup.h
@@ -154,7 +154,7 @@
/* Coprocessor traps */
.macro __init_el2_cptr
__check_hvhe .LnVHE_\@, x1
- mov x0, #CPACR_ELx_FPEN
+ mov x0, #CPACR_EL1_FPEN
msr cpacr_el1, x0
b .Lskip_set_cptr_\@
.LnVHE_\@:
@@ -332,7 +332,7 @@
// (h)VHE case
mrs x0, cpacr_el1 // Disable SVE traps
- orr x0, x0, #CPACR_ELx_ZEN
+ orr x0, x0, #CPACR_EL1_ZEN
msr cpacr_el1, x0
b .Lskip_set_cptr_\@
@@ -353,7 +353,7 @@
// (h)VHE case
mrs x0, cpacr_el1 // Disable SME traps
- orr x0, x0, #CPACR_ELx_SMEN
+ orr x0, x0, #CPACR_EL1_SMEN
msr cpacr_el1, x0
b .Lskip_set_cptr_sme_\@
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 24e4ac7c50f2..8d94a6c0ed5c 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -391,8 +391,6 @@
ECN(SOFTSTP_CUR), ECN(WATCHPT_LOW), ECN(WATCHPT_CUR), \
ECN(BKPT32), ECN(VECTOR32), ECN(BRK64), ECN(ERET)
-#define CPACR_EL1_TTA (1 << 28)
-
#define kvm_mode_names \
{ PSR_MODE_EL0t, "EL0t" }, \
{ PSR_MODE_EL1t, "EL1t" }, \
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 2d91fb88298a..55ddc1352373 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -556,13 +556,13 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
({ \
u64 cptr = 0; \
\
- if ((set) & CPACR_ELx_FPEN) \
+ if ((set) & CPACR_EL1_FPEN) \
cptr |= CPTR_EL2_TFP; \
- if ((set) & CPACR_ELx_ZEN) \
+ if ((set) & CPACR_EL1_ZEN) \
cptr |= CPTR_EL2_TZ; \
- if ((set) & CPACR_ELx_SMEN) \
+ if ((set) & CPACR_EL1_SMEN) \
cptr |= CPTR_EL2_TSM; \
- if ((clr) & CPACR_ELx_TTA) \
+ if ((clr) & CPACR_EL1_TTA) \
cptr |= CPTR_EL2_TTA; \
if ((clr) & CPTR_EL2_TAM) \
cptr |= CPTR_EL2_TAM; \
@@ -576,13 +576,13 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
({ \
u64 cptr = 0; \
\
- if ((clr) & CPACR_ELx_FPEN) \
+ if ((clr) & CPACR_EL1_FPEN) \
cptr |= CPTR_EL2_TFP; \
- if ((clr) & CPACR_ELx_ZEN) \
+ if ((clr) & CPACR_EL1_ZEN) \
cptr |= CPTR_EL2_TZ; \
- if ((clr) & CPACR_ELx_SMEN) \
+ if ((clr) & CPACR_EL1_SMEN) \
cptr |= CPTR_EL2_TSM; \
- if ((set) & CPACR_ELx_TTA) \
+ if ((set) & CPACR_EL1_TTA) \
cptr |= CPTR_EL2_TTA; \
if ((set) & CPTR_EL2_TAM) \
cptr |= CPTR_EL2_TAM; \
@@ -595,13 +595,13 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
#define cpacr_clear_set(clr, set) \
do { \
BUILD_BUG_ON((set) & CPTR_VHE_EL2_RES0); \
- BUILD_BUG_ON((clr) & CPACR_ELx_E0POE); \
- __build_check_all_or_none((clr), CPACR_ELx_FPEN); \
- __build_check_all_or_none((set), CPACR_ELx_FPEN); \
- __build_check_all_or_none((clr), CPACR_ELx_ZEN); \
- __build_check_all_or_none((set), CPACR_ELx_ZEN); \
- __build_check_all_or_none((clr), CPACR_ELx_SMEN); \
- __build_check_all_or_none((set), CPACR_ELx_SMEN); \
+ BUILD_BUG_ON((clr) & CPACR_EL1_E0POE); \
+ __build_check_all_or_none((clr), CPACR_EL1_FPEN); \
+ __build_check_all_or_none((set), CPACR_EL1_FPEN); \
+ __build_check_all_or_none((clr), CPACR_EL1_ZEN); \
+ __build_check_all_or_none((set), CPACR_EL1_ZEN); \
+ __build_check_all_or_none((clr), CPACR_EL1_SMEN); \
+ __build_check_all_or_none((set), CPACR_EL1_SMEN); \
\
if (has_vhe() || has_hvhe()) \
sysreg_clear_set(cpacr_el1, clr, set); \
@@ -625,16 +625,16 @@ static __always_inline void __kvm_reset_cptr_el2(struct kvm *kvm)
u64 val;
if (has_vhe()) {
- val = (CPACR_ELx_FPEN | CPACR_EL1_ZEN_EL1EN);
+ val = (CPACR_EL1_FPEN | CPACR_EL1_ZEN_EL1EN);
if (cpus_have_final_cap(ARM64_SME))
val |= CPACR_EL1_SMEN_EL1EN;
} else if (has_hvhe()) {
- val = CPACR_ELx_FPEN;
+ val = CPACR_EL1_FPEN;
if (!kvm_has_sve(kvm) || !guest_owns_fp_regs())
- val |= CPACR_ELx_ZEN;
+ val |= CPACR_EL1_ZEN;
if (cpus_have_final_cap(ARM64_SME))
- val |= CPACR_ELx_SMEN;
+ val |= CPACR_EL1_SMEN;
} else {
val = CPTR_NVHE_EL2_RES1;
@@ -685,7 +685,7 @@ static inline bool ____cptr_xen_trap_enabled(const struct kvm_vcpu *vcpu,
#define __guest_hyp_cptr_xen_trap_enabled(vcpu, xen) \
(!vcpu_has_nv(vcpu) ? false : \
____cptr_xen_trap_enabled(vcpu, \
- SYS_FIELD_GET(CPACR_ELx, xen, \
+ SYS_FIELD_GET(CPACR_EL1, xen, \
vcpu_sanitised_cptr_el2(vcpu))))
static inline bool guest_hyp_fpsimd_traps_enabled(const struct kvm_vcpu *vcpu)
diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h
index 233e65522716..6cd08198bf19 100644
--- a/arch/arm64/include/asm/kvm_nested.h
+++ b/arch/arm64/include/asm/kvm_nested.h
@@ -33,14 +33,14 @@ static inline u64 translate_tcr_el2_to_tcr_el1(u64 tcr)
static inline u64 translate_cptr_el2_to_cpacr_el1(u64 cptr_el2)
{
- u64 cpacr_el1 = CPACR_ELx_RES1;
+ u64 cpacr_el1 = CPACR_EL1_RES1;
if (cptr_el2 & CPTR_EL2_TTA)
- cpacr_el1 |= CPACR_ELx_TTA;
+ cpacr_el1 |= CPACR_EL1_TTA;
if (!(cptr_el2 & CPTR_EL2_TFP))
- cpacr_el1 |= CPACR_ELx_FPEN;
+ cpacr_el1 |= CPACR_EL1_FPEN;
if (!(cptr_el2 & CPTR_EL2_TZ))
- cpacr_el1 |= CPACR_ELx_ZEN;
+ cpacr_el1 |= CPACR_EL1_ZEN;
cpacr_el1 |= cptr_el2 & (CPTR_EL2_TCPAC | CPTR_EL2_TAM);