diff options
| author | Alexander Potapenko <glider@google.com> | 2025-08-07 14:59:55 +0200 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-08-08 11:59:45 +0000 |
| commit | e11f716666bf4dbd826b5639c485b4090095f3d5 (patch) | |
| tree | 2fce16b61f5aad616f83cc4dea20b011bd20e37e /executor | |
| parent | e0aca11c53ee047aedcf0fd91a5b0ff71dacd0a8 (diff) | |
executor: arm64: syzos: fix the constraints in gicv3_cpu_init()
Somehow we were using an input constraint instead of an output one
in the assembly code performing a read of ICC_SRE_EL1 into a GP
register.
Diffstat (limited to 'executor')
| -rw-r--r-- | executor/common_kvm_arm64_syzos.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/executor/common_kvm_arm64_syzos.h b/executor/common_kvm_arm64_syzos.h index 54d6665f0..0253b6b96 100644 --- a/executor/common_kvm_arm64_syzos.h +++ b/executor/common_kvm_arm64_syzos.h @@ -571,8 +571,7 @@ GUEST_CODE static void gicv3_cpu_init(uint32 cpu) // Enable the GIC system register (ICC_*) access. uint64 icc_sre_el1 = 0; asm volatile("mrs %0, " ICC_SRE_EL1 - : - : "r"(icc_sre_el1)); + : "=r"(icc_sre_el1)); icc_sre_el1 |= ICC_SRE_EL1_SRE; asm volatile("msr " ICC_SRE_EL1 ", %0" : |