diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/i386/locore.s | 46 | ||||
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 13 |
2 files changed, 3 insertions, 56 deletions
diff --git a/sys/arch/i386/i386/locore.s b/sys/arch/i386/i386/locore.s index 3e884db386a..9e2b80afeb4 100644 --- a/sys/arch/i386/i386/locore.s +++ b/sys/arch/i386/i386/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.125 2009/01/17 23:44:46 guenther Exp $ */ +/* $OpenBSD: locore.s,v 1.126 2009/06/03 00:41:48 weingart Exp $ */ /* $NetBSD: locore.s,v 1.145 1996/05/03 19:41:19 christos Exp $ */ /*- @@ -363,7 +363,6 @@ trycyrix486: jne 2f # yes; must not be Cyrix CPU movl $CPU_486DLC,RELOC(_C_LABEL(cpu)) # set CPU type -#ifndef CYRIX_CACHE_WORKS /* Disable caching of the ISA hole only. */ invd movb $CCR0,%al # Configuration Register index (CCR0) @@ -376,49 +375,6 @@ trycyrix486: movb %ah,%al outb %al,$0x23 invd -#else /* CYRIX_CACHE_WORKS */ - /* Set cache parameters */ - invd # Start with guaranteed clean cache - movb $CCR0,%al # Configuration Register index (CCR0) - outb %al,$0x22 - inb $0x23,%al - andb $~CCR0_NC0,%al -#ifndef CYRIX_CACHE_REALLY_WORKS - orb $(CCR0_NC1|CCR0_BARB),%al -#else - orb $CCR0_NC1,%al -#endif - movb %al,%ah - movb $CCR0,%al - outb %al,$0x22 - movb %ah,%al - outb %al,$0x23 - /* clear non-cacheable region 1 */ - movb $(NCR1+2),%al - outb %al,$0x22 - movb $NCR_SIZE_0K,%al - outb %al,$0x23 - /* clear non-cacheable region 2 */ - movb $(NCR2+2),%al - outb %al,$0x22 - movb $NCR_SIZE_0K,%al - outb %al,$0x23 - /* clear non-cacheable region 3 */ - movb $(NCR3+2),%al - outb %al,$0x22 - movb $NCR_SIZE_0K,%al - outb %al,$0x23 - /* clear non-cacheable region 4 */ - movb $(NCR4+2),%al - outb %al,$0x22 - movb $NCR_SIZE_0K,%al - outb %al,$0x23 - /* enable caching in CR0 */ - movl %cr0,%eax - andl $~(CR0_CD|CR0_NW),%eax - movl %eax,%cr0 - invd -#endif /* CYRIX_CACHE_WORKS */ jmp 2f diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index d8e31a76965..b255c2bf145 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.450 2009/06/01 20:11:38 weingart Exp $ */ +/* $OpenBSD: machdep.c,v 1.451 2009/06/03 00:41:48 weingart Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -1841,17 +1841,8 @@ identifycpu(struct cpu_info *ci) ci->cpu_class = class; - if (cpu == CPU_486DLC) { -#ifndef CYRIX_CACHE_WORKS + if (cpu == CPU_486DLC) printf("WARNING: CYRIX 486DLC CACHE UNCHANGED.\n"); -#else -#ifndef CYRIX_CACHE_REALLY_WORKS - printf("WARNING: CYRIX 486DLC CACHE ENABLED IN HOLD-FLUSH MODE.\n"); -#else - printf("WARNING: CYRIX 486DLC CACHE ENABLED.\n"); -#endif -#endif - } /* * Enable ring 0 write protection (486 or above, but 386 |