diff options
| author | Yuval Pavel Zholkover <paulzhol@gmail.com> | 2022-08-12 21:57:28 +0300 |
|---|---|---|
| committer | Meng Zhuo <mzh@golangcn.org> | 2022-09-04 04:17:04 +0000 |
| commit | 535fe2b226096a3547321a51b36f464ab443b5cb (patch) | |
| tree | c9a8e8acb16c742b3504c11bf701670e1868d4ca /src | |
| parent | a73506cff560c4d95ac604f4f76d58386ca29ed9 (diff) | |
| download | go-535fe2b226096a3547321a51b36f464ab443b5cb.tar.xz | |
runtime: fast clock_gettime on FreeBSD, use physical/virtual ARM timer
as setup by the kernel on GOARCH=arm64.
Update #50947
Change-Id: I2f44be9b36e9ce8d264eccc0aa3df10825c5f4f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/422977
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Dmitri Goutnik <dgoutnik@gmail.com>
Run-TryBot: Yuval Pavel Zholkover <paulzhol@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/sys_freebsd_arm64.s | 2 | ||||
| -rw-r--r-- | src/runtime/vdso_freebsd_arm64.go | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/sys_freebsd_arm64.s b/src/runtime/sys_freebsd_arm64.s index 5dcdf375ab..cb960773eb 100644 --- a/src/runtime/sys_freebsd_arm64.s +++ b/src/runtime/sys_freebsd_arm64.s @@ -460,7 +460,7 @@ TEXT runtime·getCntxct(SB),NOSPLIT,$0 BEQ 3(PC) // get CNTPCT (Physical Count Register) into R0 - MRS CNTPCT_EL0, R0 // SIGILL + MRS CNTPCT_EL0, R0 B 2(PC) // get CNTVCT (Virtual Count Register) into R0 diff --git a/src/runtime/vdso_freebsd_arm64.go b/src/runtime/vdso_freebsd_arm64.go index 7d9f62d5f9..37b26d73e7 100644 --- a/src/runtime/vdso_freebsd_arm64.go +++ b/src/runtime/vdso_freebsd_arm64.go @@ -14,7 +14,7 @@ func getCntxct(physical bool) uint32 func (th *vdsoTimehands) getTimecounter() (uint32, bool) { switch th.algo { case _VDSO_TH_ALGO_ARM_GENTIM: - return getCntxct(false), true + return getCntxct(th.physical != 0), true default: return 0, false } |