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| author | luoqi <luoqi@FreeBSD.org> | 1999-05-06 01:07:03 +0000 |
|---|---|---|
| committer | luoqi <luoqi@FreeBSD.org> | 1999-05-06 01:07:03 +0000 |
| commit | f9fddff55a23a710ca8bc2013b1f87e6f278e8bb (patch) | |
| tree | 8b24a88c5501cb99b7b387d7ea165bfbf04f1f37 /sys/i386/bios | |
| parent | 0d146f2c923a9670917ec2219554abe1a94cd314 (diff) | |
| download | FreeBSD-src-f9fddff55a23a710ca8bc2013b1f87e6f278e8bb.zip FreeBSD-src-f9fddff55a23a710ca8bc2013b1f87e6f278e8bb.tar.gz | |
Now that each cpu has its own gdt table, we need to setup apm gdt entries in
all the tables.
Diffstat (limited to 'sys/i386/bios')
| -rw-r--r-- | sys/i386/bios/apm.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sys/i386/bios/apm.c b/sys/i386/bios/apm.c index d97b51b..25bef84 100644 --- a/sys/i386/bios/apm.c +++ b/sys/i386/bios/apm.c @@ -15,11 +15,12 @@ * * Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD) * - * $Id: apm.c,v 1.79 1999/04/18 15:10:58 dfr Exp $ + * $Id: apm.c,v 1.80 1999/04/21 07:57:55 imp Exp $ */ #include "opt_devfs.h" #include "opt_vm86.h" +#include "opt_smp.h" #include <sys/param.h> #include <sys/conf.h> @@ -45,6 +46,10 @@ #include <machine/vm86.h> #endif +#ifdef SMP +#include <machine/smp.h> +#endif + static int apm_display __P((int newstate)); static int apm_int __P((u_long *eax, u_long *ebx, u_long *ecx, u_long *edx)); static void apm_resume __P((void)); @@ -92,6 +97,10 @@ static struct cdevsw apm_cdevsw = static void setup_apm_gdt(u_int code32_base, u_int code16_base, u_int data_base, u_int code32_limit, u_int code16_limit, u_int data_limit) { +#ifdef SMP + int x; +#endif + /* setup 32bit code segment */ gdt_segs[GAPMCODE32_SEL].ssd_base = code32_base; gdt_segs[GAPMCODE32_SEL].ssd_limit = code32_limit; @@ -108,6 +117,14 @@ setup_apm_gdt(u_int code32_base, u_int code16_base, u_int data_base, u_int code3 ssdtosd(gdt_segs + GAPMCODE32_SEL, &gdt[GAPMCODE32_SEL].sd); ssdtosd(gdt_segs + GAPMCODE16_SEL, &gdt[GAPMCODE16_SEL].sd); ssdtosd(gdt_segs + GAPMDATA_SEL , &gdt[GAPMDATA_SEL ].sd); + +#ifdef SMP + for (x = 1; x < NCPU; x++) { + gdt[x * NGDT + GAPMCODE32_SEL].sd = gdt[GAPMCODE32_SEL].sd; + gdt[x * NGDT + GAPMCODE16_SEL].sd = gdt[GAPMCODE16_SEL].sd; + gdt[x * NGDT + GAPMDATA_SEL ].sd = gdt[GAPMDATA_SEL ].sd; + } +#endif } /* 48bit far pointer. Do not staticize - used from apm_setup.s */ |
