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authorTheo de Raadt <deraadt@cvs.openbsd.org>2000-10-17 16:30:20 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2000-10-17 16:30:20 +0000
commit4ffeb47e1cdc4d287de5c609e3ac3797499b1be2 (patch)
tree218bf7984249b387b36a22d3dd2d32387d9573cb /sys/arch/i386
parent24e3de5df67557e931b57c91faa1a8f7da923c7f (diff)
undo last commit. on some kernel links, this causes pcibios panics at
startup (on ALL machines)
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/i386/bios.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/sys/arch/i386/i386/bios.c b/sys/arch/i386/i386/bios.c
index 28b0471641f..5c07e255c71 100644
--- a/sys/arch/i386/i386/bios.c
+++ b/sys/arch/i386/i386/bios.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bios.c,v 1.35 2000/10/16 19:29:09 mickey Exp $ */
+/* $OpenBSD: bios.c,v 1.36 2000/10/17 16:30:19 deraadt Exp $ */
/*
* Copyright (c) 1997-2000 Michael Shalayeff
@@ -43,7 +43,6 @@
#include <sys/reboot.h>
#include <vm/vm.h>
-#include <vm/vm_kern.h>
#include <sys/sysctl.h>
#include <dev/cons.h>
@@ -312,8 +311,6 @@ bios32_service(service, e, ei)
extern union descriptor *dynamic_gdt;
extern int gdt_get_slot __P((void));
- u_long pa, endpa;
- vm_offset_t va;
u_int32_t base, count, off, ent;
int slot;
@@ -333,28 +330,12 @@ bios32_service(service, e, ei)
if (ent <= BIOS32_START || ent >= BIOS32_END)
return 0;
-
- endpa = i386_round_page(BIOS32_END);
-
-#if defined(UVM)
- va = uvm_km_valloc(kernel_map, endpa);
-#else
- va = kmem_alloc_pageable(kernel_map, endpa);
-#endif
- if (va == 0)
- return (0);
-
slot = gdt_get_slot();
- setsegment(&dynamic_gdt[slot].sd, (caddr_t)va, BIOS32_END,
- SDT_MEMERA, SEL_KPL, 1, 0);
-
- for (; pa < endpa; pa += NBPG, va += NBPG)
- pmap_enter(pmap_kernel(), va, pa,
- VM_PROT_READ | VM_PROT_WRITE, TRUE,
- VM_PROT_READ | VM_PROT_WRITE);
+ setsegment(&dynamic_gdt[slot].sd, ISA_HOLE_VADDR(base),
+ ((base + 0x10000) & ~0xffff) - 1, SDT_MEMERA, SEL_KPL, 1, 0);
e->segment = GSEL(slot, SEL_KPL);
- e->offset = (vaddr_t)ent;
+ e->offset = (vaddr_t)(ent - base);
ei->bei_base = base;
ei->bei_size = count;