diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-09-15 09:39:37 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-09-15 09:39:37 +0000 |
| commit | 453094a91e0017a096f41afffe65e1fa8eb6a40b (patch) | |
| tree | 7079f200693734bbabc14e00eee63069a9fa7a5e /sys/arch | |
| parent | 3772f43f97e4df1393dc6620367871dc48ee8428 (diff) | |
be more precise on what we save on traps. flush fpu regs in pcb since they are possibly accessed through non-coherent mappings
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/locore.S | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/sys/arch/hppa/hppa/locore.S b/sys/arch/hppa/hppa/locore.S index b9a95e9817b..6517e829065 100644 --- a/sys/arch/hppa/hppa/locore.S +++ b/sys/arch/hppa/hppa/locore.S @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.S,v 1.88 2002/09/15 09:37:18 mickey Exp $ */ +/* $OpenBSD: locore.S,v 1.89 2002/09/15 09:39:36 mickey Exp $ */ /* * Copyright (c) 1998-2002 Michael Shalayeff @@ -800,6 +800,8 @@ $syscall_return mtctl t1, pidr3 mtctl t2, pidr4 #endif + ldw TF_CR0(sr3, t3), t1 + mtctl t1, rctr ldw TF_CR30(sr3, t3), t1 mtctl t1, cr30 @@ -1892,8 +1894,23 @@ LEAF_ENTRY(fpu_save) fstds,ma %fr29, 8(arg0) fstds,ma %fr30, 8(arg0) fstds %fr31, 0(arg0) + fdc r0(arg0) + ldo -60(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) + ldo -32(arg0), arg0 + fdc r0(arg0) bv r0(rp) - nop + sync EXIT(fpu_save) #ifdef FPEMUL @@ -1910,8 +1927,8 @@ ENTRY($fpu_emulate,0) ldw R%fpemu_stack(r31), r31 ldo R%TRAPFRAME_SIZEOF+HPPA_FRAME_SIZE(r31), sp - stw r1 , TF_R1 (r31) stw r2 , TF_R2 (r31) + stw r3 , TF_R2 (r31) stw r19, TF_R19(r31) stw r20, TF_R20(r31) stw r21, TF_R21(r31) @@ -1926,6 +1943,7 @@ ENTRY($fpu_emulate,0) mfctl sar, r1 mfctl iir, arg0 stw r1, TF_CR11(r31) + stw arg0, TF_CR19(r31) extru,<> arg0, 10, 1, r0 extru,= arg0, 11, 1, r0 @@ -1960,6 +1978,7 @@ ENTRY($fpu_emulate,0) ldw TF_R21(r31), r21 ldw TF_R20(r31), r20 ldw TF_R19(r31), r19 + ldw TF_R3 (r31), r3 ldw TF_R2 (r31), r2 mfctl tr3, sp mfctl tr2, r31 |