diff options
| author | dg <dg@FreeBSD.org> | 1994-01-31 04:39:37 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-01-31 04:39:37 +0000 |
| commit | 34c281958ff83b024679e26b1d02389e0b96b937 (patch) | |
| tree | a927ff7c25f38f5cf995264350366cd8880aae53 | |
| parent | 5e2d3df48580bf5b3715ba2a90ee2d1531f6476a (diff) | |
| download | FreeBSD-src-34c281958ff83b024679e26b1d02389e0b96b937.zip FreeBSD-src-34c281958ff83b024679e26b1d02389e0b96b937.tar.gz | |
Make I/O memory explicitly non-cacheable. This is purely an asthetic
change.
| -rw-r--r-- | sys/amd64/amd64/locore.S | 4 | ||||
| -rw-r--r-- | sys/amd64/amd64/locore.s | 4 | ||||
| -rw-r--r-- | sys/i386/i386/locore.s | 4 |
3 files changed, 6 insertions, 6 deletions
diff --git a/sys/amd64/amd64/locore.S b/sys/amd64/amd64/locore.S index 3c17e7e..01c0ac4 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 1.12 1994/01/14 16:23:33 davidg Exp $ + * $Id: locore.s,v 1.13 1994/01/16 02:21:58 martin Exp $ */ /* @@ -320,7 +320,7 @@ ENTRY(btext) movl _KPTphys-KERNBASE,%ebx /* base of kernel page tables */ lea (0xa0 * PTESIZE)(%ebx),%ebx /* hardwire ISA hole at KERNBASE + 0xa0000 */ movl $0x100-0xa0,%ecx /* for this many pte s, */ - movl $(0xa0000|PG_V|PG_KW),%eax /* valid, kernel read/write */ + movl $(0xa0000|PG_V|PG_KW|PG_N),%eax /* valid, kernel read/write, non-cacheable */ movl %ebx,_atdevphys-KERNBASE /* save phys addr of ptes */ fillkpt diff --git a/sys/amd64/amd64/locore.s b/sys/amd64/amd64/locore.s index 3c17e7e..01c0ac4 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 1.12 1994/01/14 16:23:33 davidg Exp $ + * $Id: locore.s,v 1.13 1994/01/16 02:21:58 martin Exp $ */ /* @@ -320,7 +320,7 @@ ENTRY(btext) movl _KPTphys-KERNBASE,%ebx /* base of kernel page tables */ lea (0xa0 * PTESIZE)(%ebx),%ebx /* hardwire ISA hole at KERNBASE + 0xa0000 */ movl $0x100-0xa0,%ecx /* for this many pte s, */ - movl $(0xa0000|PG_V|PG_KW),%eax /* valid, kernel read/write */ + movl $(0xa0000|PG_V|PG_KW|PG_N),%eax /* valid, kernel read/write, non-cacheable */ movl %ebx,_atdevphys-KERNBASE /* save phys addr of ptes */ fillkpt diff --git a/sys/i386/i386/locore.s b/sys/i386/i386/locore.s index 3c17e7e..01c0ac4 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 1.12 1994/01/14 16:23:33 davidg Exp $ + * $Id: locore.s,v 1.13 1994/01/16 02:21:58 martin Exp $ */ /* @@ -320,7 +320,7 @@ ENTRY(btext) movl _KPTphys-KERNBASE,%ebx /* base of kernel page tables */ lea (0xa0 * PTESIZE)(%ebx),%ebx /* hardwire ISA hole at KERNBASE + 0xa0000 */ movl $0x100-0xa0,%ecx /* for this many pte s, */ - movl $(0xa0000|PG_V|PG_KW),%eax /* valid, kernel read/write */ + movl $(0xa0000|PG_V|PG_KW|PG_N),%eax /* valid, kernel read/write, non-cacheable */ movl %ebx,_atdevphys-KERNBASE /* save phys addr of ptes */ fillkpt |
