diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2007-11-26 08:18:52 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2007-11-26 08:18:52 +0000 |
| commit | d3eb2fb1070e53da3f9b49d31cc7766d09c3cea9 (patch) | |
| tree | 4d98f9ddc483624137f2b4707633f115286315d6 /sys/arch/sparc | |
| parent | 667dcc6f8a56d14cbf7f4791112d8764c22032a9 (diff) | |
few mails later, miod asks me to wait
Diffstat (limited to 'sys/arch/sparc')
| -rw-r--r-- | sys/arch/sparc/sparc/locore.s | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/arch/sparc/sparc/locore.s b/sys/arch/sparc/sparc/locore.s index 4ff11d0231c..68107d02452 100644 --- a/sys/arch/sparc/sparc/locore.s +++ b/sys/arch/sparc/sparc/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.74 2007/11/26 08:13:48 deraadt Exp $ */ +/* $OpenBSD: locore.s,v 1.75 2007/11/26 08:18:51 deraadt Exp $ */ /* $NetBSD: locore.s,v 1.73 1997/09/13 20:36:48 pk Exp $ */ /* @@ -4719,7 +4719,7 @@ ENTRY(qzero) nop /* - * memcpy (which internally contains the non-overlapping bcopy code) + * kernel bcopy/memcpy * Assumes regions do not overlap; has no useful return value. * * Must not use %g7 (see copyin/copyout above). @@ -4735,6 +4735,7 @@ ENTRY(memcpy) mov %o0, %o3 mov %o1, %o0 mov %o3, %o1 +ENTRY(bcopy) cmp %o2, BCOPY_SMALL Lbcopy_start: bge,a Lbcopy_fancy ! if >= this many, go be fancy. @@ -4900,10 +4901,9 @@ Lbcopy_done: retl stb %o4,[%o1] /* - * bcopy(src, dst, len): regions may overlap, of course. + * ovbcopy(src, dst, len): like bcopy, but regions may overlap. */ -ALTENTRY(ovbcopy) -ENTRY(bcopy) +ENTRY(ovbcopy) cmp %o0, %o1 ! src < dst? bgeu Lbcopy_start ! no, go copy forwards as via bcopy cmp %o2, BCOPY_SMALL! (check length for doublecopy first) |