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[PATCH] x86: Pnp segments in segment h 

Move PnP BIOS segment definitions into segment.h; the segments are reserved
here, so they might as well be defined here as well.

Note I didn't do this for APM BIOS, as Macintosh and other systems use those
values to emulate APM in some scary way I don't want to understand.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Acked-by: "Seth, Rohit" <rohit.seth@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Zachary Amsden 2006-01-06 00:11:51 -08:00 committed by Linus Torvalds
parent ff6e8c0d5e
commit 5702d0f742
2 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/pnp/pnpbios/bioscalls.c
View File

@ -31,15 +31,6 @@ static struct {
} pnp_bios_callpoint;
/* The PnP BIOS entries in the GDT */
#define PNP_GDT (GDT_ENTRY_PNPBIOS_BASE * 8)
#define PNP_CS32 (PNP_GDT+0x00) /* segment for calling fn */
#define PNP_CS16 (PNP_GDT+0x08) /* code segment for BIOS */
#define PNP_DS (PNP_GDT+0x10) /* data segment for BIOS */
#define PNP_TS1 (PNP_GDT+0x18) /* transfer data segment */
#define PNP_TS2 (PNP_GDT+0x20) /* another data segment */
/*
* These are some opcodes for a "static asmlinkage"
* As this code is *not* executed inside the linux kernel segment, but in a

14
include/asm-i386/segment.h
View File

@ -91,6 +91,20 @@
#define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1)
#define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8)
/* The PnP BIOS entries in the GDT */
#define GDT_ENTRY_PNPBIOS_CS32 (GDT_ENTRY_PNPBIOS_BASE + 0)
#define GDT_ENTRY_PNPBIOS_CS16 (GDT_ENTRY_PNPBIOS_BASE + 1)
#define GDT_ENTRY_PNPBIOS_DS (GDT_ENTRY_PNPBIOS_BASE + 2)
#define GDT_ENTRY_PNPBIOS_TS1 (GDT_ENTRY_PNPBIOS_BASE + 3)
#define GDT_ENTRY_PNPBIOS_TS2 (GDT_ENTRY_PNPBIOS_BASE + 4)
/* The PnP BIOS selectors */
#define PNP_CS32 (GDT_ENTRY_PNPBIOS_CS32 * 8) /* segment for calling fn */
#define PNP_CS16 (GDT_ENTRY_PNPBIOS_CS16 * 8) /* code segment for BIOS */
#define PNP_DS (GDT_ENTRY_PNPBIOS_DS * 8) /* data segment for BIOS */
#define PNP_TS1 (GDT_ENTRY_PNPBIOS_TS1 * 8) /* transfer data segment */
#define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */
/*
* The interrupt descriptor table has room for 256 idt's,
* the global descriptor table is dependent on the number