diff options
| author |   jason <jason@openbsd.org> | 2003-02-14 20:23:20 +0000 |
|---|---|---|
| committer | jason <jason@openbsd.org> | 2003-02-14 20:23:20 +0000 |
| commit | df8ef8cbcd503a680fb96f7901cc9dff04d6ed50 (patch) | |
| tree | f8daf16d35448db1013f33aa352d647539ca3d45 /lib/libpthread/arch/sparc | |
| parent | Pad boot out to 512 byte boundary... some old prom's don't like binaries (diff) | |
| download | wireguard-openbsd-df8ef8cbcd503a680fb96f7901cc9dff04d6ed50.tar.xz wireguard-openbsd-df8ef8cbcd503a680fb96f7901cc9dff04d6ed50.zip | |
- save and restore %fsr, too.
- better function descriptions
Diffstat (limited to 'lib/libpthread/arch/sparc')
| -rw-r--r-- | lib/libpthread/arch/sparc/uthread_machdep_asm.S | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/libpthread/arch/sparc/uthread_machdep_asm.S b/lib/libpthread/arch/sparc/uthread_machdep_asm.S index d737f6744c8..53ce8770df9 100644 --- a/lib/libpthread/arch/sparc/uthread_machdep_asm.S +++ b/lib/libpthread/arch/sparc/uthread_machdep_asm.S @@ -1,4 +1,4 @@ -/* $OpenBSD: uthread_machdep_asm.S,v 1.7 2003/02/10 19:21:34 marc Exp $ */ +/* $OpenBSD: uthread_machdep_asm.S,v 1.8 2003/02/14 20:23:20 jason Exp $ */ /* David Leonard <d@csee.uq.edu.au>. Public domain. */ #include <machine/asm.h> @@ -40,6 +40,11 @@ ENTRY(_thread_machdep_switch) ret restore +/* + * void _thread_machdep_fpsave(csr, regs) + * u_int32_t *csr; + * u_int64_t *regs; + */ ENTRY(_thread_machdep_fpsave) /* * If %psr were readable, exitting could be faster. The EF @@ -49,6 +54,7 @@ ENTRY(_thread_machdep_fpsave) */ /* save registers */ + st %fsr, [%o0] std %f0, [%o1 + 0 * 8] std %f2, [%o1 + 1 * 8] std %f4, [%o1 + 2 * 8] @@ -68,6 +74,11 @@ ENTRY(_thread_machdep_fpsave) retl nop +/* + * void _thread_machdep_fprestore(csr, regs) + * u_int32_t *csr; + * u_int64_t *regs; + */ ENTRY(_thread_machdep_fprestore) ldd [%o1 + 0 * 8], %f0 ldd [%o1 + 1 * 8], %f2 @@ -85,5 +96,8 @@ ENTRY(_thread_machdep_fprestore) ldd [%o1 + 13 * 8], %f26 ldd [%o1 + 14 * 8], %f28 ldd [%o1 + 15 * 8], %f30 + ld [%o0], %fsr + /* ldfsr needs three instructions to be stable, ensure that here */ + nop retl nop |