aboutsummaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/assembler.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
-rw-r--r--arch/arm64/include/asm/assembler.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index fb651c1f26e9..34ddd8a0f3dd 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -15,6 +15,7 @@
#include <asm-generic/export.h>
#include <asm/asm-offsets.h>
+#include <asm/asm-bug.h>
#include <asm/cpufeature.h>
#include <asm/cputype.h>
#include <asm/debug-monitors.h>
@@ -270,12 +271,24 @@ alternative_endif
* provide the system wide safe value from arm64_ftr_reg_ctrel0.sys_val
*/
.macro read_ctr, reg
+#ifndef __KVM_NVHE_HYPERVISOR__
alternative_if_not ARM64_MISMATCHED_CACHE_TYPE
mrs \reg, ctr_el0 // read CTR
nop
alternative_else
ldr_l \reg, arm64_ftr_reg_ctrel0 + ARM64_FTR_SYSVAL
alternative_endif
+#else
+alternative_if_not ARM64_KVM_PROTECTED_MODE
+ ASM_BUG()
+alternative_else_nop_endif
+alternative_cb kvm_compute_final_ctr_el0
+ movz \reg, #0
+ movk \reg, #0, lsl #16
+ movk \reg, #0, lsl #32
+ movk \reg, #0, lsl #48
+alternative_cb_end
+#endif
.endm