diff options
| author | Zachary Amsden | 2006-01-06 09:11:53 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2006-01-06 17:33:35 +0100 |
| commit | 99022c4695d3f45fcf7f3827aa46dd2d9e53e365 (patch) | |
| tree | da02b2dc37e33a2fbaf8eb752d9f5b2f70222d96 /arch/i386/kernel/head.S | |
| parent | [PATCH] x86: Always relax segments (diff) | |
| download | kernel-qcow2-linux-99022c4695d3f45fcf7f3827aa46dd2d9e53e365.tar.gz kernel-qcow2-linux-99022c4695d3f45fcf7f3827aa46dd2d9e53e365.tar.xz kernel-qcow2-linux-99022c4695d3f45fcf7f3827aa46dd2d9e53e365.zip | |
[PATCH] x86: Apm seg in gdt
Since APM BIOS segment limits are now fixed, set them in head.S GDT and don't
use the complicated _set_limit() macro expansion.
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>
Diffstat (limited to 'arch/i386/kernel/head.S')
| -rw-r--r-- | arch/i386/kernel/head.S | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index 870f20bf33c8..37b599fa4d18 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -510,13 +510,14 @@ ENTRY(cpu_gdt_table) .quad 0x0080920000000000 /* 0xa0 16-bit data */ .quad 0x0080920000000000 /* 0xa8 16-bit data */ .quad 0x0080920000000000 /* 0xb0 16-bit data */ + /* * The APM segments have byte granularity and their bases - * and limits are set at run time. + * are set at run time. All have 64k limits. */ - .quad 0x00409a0000000000 /* 0xb8 APM CS code */ - .quad 0x00009a0000000000 /* 0xc0 APM CS 16 code (16 bit) */ - .quad 0x0040920000000000 /* 0xc8 APM DS data */ + .quad 0x00409a000000ffff /* 0xb8 APM CS code */ + .quad 0x00009a000000ffff /* 0xc0 APM CS 16 code (16 bit) */ + .quad 0x004092000000ffff /* 0xc8 APM DS data */ .quad 0x0000920000000000 /* 0xd0 - ESPFIX 16-bit SS */ .quad 0x0000000000000000 /* 0xd8 - unused */ |