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authorMinsoo Choo <minsoochoo0122@proton.me>2025-11-29 00:48:29 +0000
committerWarner Losh <imp@FreeBSD.org>2025-11-29 06:07:12 +0000
commit57c0a337dbc592a82d184f18dc69634eb0a9db10 (patch)
tree7d9f0412a1c219ffdd951cd5f2c2d850d57265e1
parentf3607f5a7f6923bda8a2efc95d4238a5f1903fff (diff)
libsys: remove armv6 hack
Signed-off-by: Minsoo Choo <minsoochoo0122@proton.me> Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1903
-rw-r--r--lib/libsys/arm/__vdso_gettc.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/libsys/arm/__vdso_gettc.c b/lib/libsys/arm/__vdso_gettc.c
index cb4bdec1e8ef..c86bb78becb9 100644
--- a/lib/libsys/arm/__vdso_gettc.c
+++ b/lib/libsys/arm/__vdso_gettc.c
@@ -62,12 +62,8 @@ __vdso_gettc(const struct vdso_timehands *th, u_int *tc)
if (th->th_algo != VDSO_TH_ALGO_ARM_GENTIM)
return (ENOSYS);
- /*
- * Userspace gettimeofday() is only enabled on ARMv7 CPUs, but
- * libc is compiled for ARMv6. Due to clang issues, .arch
- * armv7-a directive does not work.
- */
- __asm __volatile(".word\t0xf57ff06f" : : : "memory"); /* isb */
+
+ __asm __volatile("isb" : : : "memory");
*tc = th->th_physical == 0 ? cp15_cntvct_get() : cp15_cntpct_get();
return (0);
}