diff options
| author | dg <dg@FreeBSD.org> | 1994-09-05 05:20:29 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-09-05 05:20:29 +0000 |
| commit | b47ee85a344184f87de6b4a1474730e9764c7f38 (patch) | |
| tree | 24825abb4d413504d2b2d5ed77cdee9cc40324e6 | |
| parent | e0ddbd275ac6f1988998226429cca1d93e013786 (diff) | |
| download | FreeBSD-src-b47ee85a344184f87de6b4a1474730e9764c7f38.zip FreeBSD-src-b47ee85a344184f87de6b4a1474730e9764c7f38.tar.gz | |
DOn't allow I/O register access in process 1 (oops).
| -rw-r--r-- | sys/amd64/amd64/locore.S | 8 | ||||
| -rw-r--r-- | sys/amd64/amd64/locore.s | 8 | ||||
| -rw-r--r-- | sys/i386/i386/locore.s | 8 |
3 files changed, 6 insertions, 18 deletions
diff --git a/sys/amd64/amd64/locore.S b/sys/amd64/amd64/locore.S index b216f8f..edb566f 100644 --- a/sys/amd64/amd64/locore.S +++ b/sys/amd64/amd64/locore.S @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)locore.s 7.3 (Berkeley) 5/13/91 - * $Id: locore.s,v 1.23 1994/09/04 00:33:00 davidg Exp $ + * $Id: locore.s,v 1.24 1994/09/04 19:59:13 pst Exp $ */ /* @@ -535,16 +535,12 @@ reloc_gdt: call _init386 /* wire 386 chip for unix operation */ popl %esi -#if 0 - movl $0,_PTD -#endif - .globl __ucodesel,__udatasel pushl $0 /* unused */ pushl __udatasel /* ss */ pushl $0 /* esp - filled in by execve() */ - pushl $0x3200 /* eflags (ring 3, int enab) */ + pushl $PSL_USERSET /* eflags (ring 0, int enab) */ pushl __ucodesel /* cs */ pushl $0 /* eip - filled in by execve() */ subl $(12*4),%esp /* space for rest of registers */ diff --git a/sys/amd64/amd64/locore.s b/sys/amd64/amd64/locore.s index b216f8f..edb566f 100644 --- a/sys/amd64/amd64/locore.s +++ b/sys/amd64/amd64/locore.s @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)locore.s 7.3 (Berkeley) 5/13/91 - * $Id: locore.s,v 1.23 1994/09/04 00:33:00 davidg Exp $ + * $Id: locore.s,v 1.24 1994/09/04 19:59:13 pst Exp $ */ /* @@ -535,16 +535,12 @@ reloc_gdt: call _init386 /* wire 386 chip for unix operation */ popl %esi -#if 0 - movl $0,_PTD -#endif - .globl __ucodesel,__udatasel pushl $0 /* unused */ pushl __udatasel /* ss */ pushl $0 /* esp - filled in by execve() */ - pushl $0x3200 /* eflags (ring 3, int enab) */ + pushl $PSL_USERSET /* eflags (ring 0, int enab) */ pushl __ucodesel /* cs */ pushl $0 /* eip - filled in by execve() */ subl $(12*4),%esp /* space for rest of registers */ diff --git a/sys/i386/i386/locore.s b/sys/i386/i386/locore.s index b216f8f..edb566f 100644 --- a/sys/i386/i386/locore.s +++ b/sys/i386/i386/locore.s @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)locore.s 7.3 (Berkeley) 5/13/91 - * $Id: locore.s,v 1.23 1994/09/04 00:33:00 davidg Exp $ + * $Id: locore.s,v 1.24 1994/09/04 19:59:13 pst Exp $ */ /* @@ -535,16 +535,12 @@ reloc_gdt: call _init386 /* wire 386 chip for unix operation */ popl %esi -#if 0 - movl $0,_PTD -#endif - .globl __ucodesel,__udatasel pushl $0 /* unused */ pushl __udatasel /* ss */ pushl $0 /* esp - filled in by execve() */ - pushl $0x3200 /* eflags (ring 3, int enab) */ + pushl $PSL_USERSET /* eflags (ring 0, int enab) */ pushl __ucodesel /* cs */ pushl $0 /* eip - filled in by execve() */ subl $(12*4),%esp /* space for rest of registers */ |
