diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2008-07-28 17:50:12 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2008-07-28 17:50:12 +0000 |
| commit | 7e8a9570f2ebf2d88294e820781b98e4887095a4 (patch) | |
| tree | 857a7c56705d3807648b999a61bf2b313cbfe6ff /sys/arch/m88k/include | |
| parent | 93587adc12a718d88c986b64fc45625895675d7e (diff) | |
In process_write_regs() and sigreturn(), be more strict about the bits
userland is allowed to change in psr.
Diffstat (limited to 'sys/arch/m88k/include')
| -rw-r--r-- | sys/arch/m88k/include/psl.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arch/m88k/include/psl.h b/sys/arch/m88k/include/psl.h index a1f74383693..a03dfa2ddd5 100644 --- a/sys/arch/m88k/include/psl.h +++ b/sys/arch/m88k/include/psl.h @@ -1,4 +1,4 @@ -/* $OpenBSD: psl.h,v 1.5 2007/12/20 21:17:51 miod Exp $ */ +/* $OpenBSD: psl.h,v 1.6 2008/07/28 17:50:09 miod Exp $ */ /* * Copyright (c) 1996 Nivas Madhur * All rights reserved. @@ -79,6 +79,10 @@ #define PSR_IND 0x00000002 /* interrupt disable */ #define PSR_SFRZ 0x00000001 /* shadow freeze */ +/* bits userland is not allowed to change */ +#define PSR_USERSTATIC (PSR_MODE | PSR_BO | PSR_SGN | PSR_SRM | PSR_SFD | \ + PSR_MXM | PSR_IND | PSR_SFRZ) + #define FIP_V 0x00000002 /* valid */ #define FIP_E 0x00000001 /* exception */ #define FIP_ADDR 0xfffffffc /* address mask */ |