diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-08-27 16:29:23 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-08-27 16:29:23 +0000 |
| commit | cda3d88586146367d5bfba84d0b3a3c52ef83f99 (patch) | |
| tree | f56b810666f4bd339b8478e52e9f8ccd16626c81 /sys/lib/libkern/arch | |
| parent | 8e2aeacec1a78201ce908059a149cf53ff570285 (diff) | |
do not just bail out of the copy loop, but go to the
'done' label for the job finish.
major register missallocation for copyonfault, fix it.
clean the space regs after use.
Diffstat (limited to 'sys/lib/libkern/arch')
| -rw-r--r-- | sys/lib/libkern/arch/hppa/bcopy.m4 | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/sys/lib/libkern/arch/hppa/bcopy.m4 b/sys/lib/libkern/arch/hppa/bcopy.m4 index 363a46588ab..aabab3a0717 100644 --- a/sys/lib/libkern/arch/hppa/bcopy.m4 +++ b/sys/lib/libkern/arch/hppa/bcopy.m4 @@ -1,4 +1,4 @@ -define(_rcsid,``$OpenBSD: bcopy.m4,v 1.12 2002/08/13 05:24:22 mickey Exp $'')dnl +define(_rcsid,``$OpenBSD: bcopy.m4,v 1.13 2002/08/27 16:29:22 mickey Exp $'')dnl dnl dnl dnl This is the source file for bcopy.S, spcopy.S @@ -101,7 +101,7 @@ L($1, cleanup) addib,=,n 4, $6, L($1, done) ldws 0($2, $3), t1 add $5, $6, $5 - bv r0(rp) + b L($1, done) stbys,E t1, 0($4, $5) ') dnl @@ -175,7 +175,7 @@ L($1, cleanup_un) sub,<= $6, t4, r0 ldws,M F`'4($2, $3), t1 vshd ret1, t1, t2 - bv r0(rp) + b L($1, done) stbys,E t2, 0($4, $5) L($1, cleanup1_un) @@ -215,10 +215,10 @@ ALTENTRY(ovbcopy) ALTENTRY(bcopy) comb,>,n arg1, arg0, L(bcopy, reverse) hppa_copy(bcopy_f, sr0, arg0, sr0, arg1, arg2, `+') - b,n L(bcopy, ret) + bv 0(rp) + nop L(bcopy, reverse) hppa_copy(bcopy_r, sr0, arg0, sr0, arg1, arg2, `-') -L(bcopy, ret) bv 0(rp) nop EXIT(memcpy) @@ -239,29 +239,33 @@ ifelse(NAME, `spcopy', .import curproc, data .import copy_on_fault, code LEAF_ENTRY(spcopy) - ldw HPPA_FRAME_ARG(4)(sp), ret1 - comb,>=,n r0, ret1, L(spcopy, ret) + ldw HPPA_FRAME_ARG(4)(sp), ret0 + sub,<> r0, ret0, r0 + bv r0(rp) + nop ` + ldo 64(sp), sp + stw rp, HPPA_FRAME_CRP(sp) /* setup fault handler */ - ldil L%curproc, r31 - ldw R%curproc(r31), r31 + ldil L%curproc, t1 + ldw R%curproc(t1), t3 ldil L%copy_on_fault, t2 - ldw P_ADDR(r31), t4 + ldw P_ADDR(t3), r2 ldo R%copy_on_fault(t2), t2 - ldw PCB_ONFAULT+U_PCB(t4), r1 - stw t2, PCB_ONFAULT+U_PCB(t4) + ldw PCB_ONFAULT+U_PCB(r2), r1 + stw t2, PCB_ONFAULT+U_PCB(r2) ' - mfsp sr2, ret0 /* XXX need this?, sr1 is scratchable */ mtsp arg0, sr1 mtsp arg2, sr2 - copy ret1, arg0 /* ret1 is used in hppa`'_blcopy() */ - hppa_copy(spcopy, sr1, arg1, sr2, arg3, ret1, `+') + hppa_copy(spcopy, sr1, arg1, sr2, arg3, ret0, `+') + mtsp r0, sr1 + mtsp r0, sr2 /* reset fault handler */ - stw r1, PCB_ONFAULT+U_PCB(r31) - mtsp ret0, sr2 -L(spcopy, ret) + stw r1, PCB_ONFAULT+U_PCB(r2) + ldw HPPA_FRAME_CRP(sp), rp + ldo -64(sp), sp bv 0(rp) copy r0, ret0 EXIT(spcopy) |