search for: gdt_entry_boot_d

Displaying 4 results from an estimated 4 matches for "gdt_entry_boot_d".

Did you mean: gdt_entry_boot_ds
[PATCH 1/21] i386 Pnp segments in segment h
2007 Apr 18
0
[PATCH 1/21] i386 Pnp segments in segment h
...asm-i386/segment.h =================================================================== --- linux-2.6.14-zach-work.orig/include/asm-i386/segment.h 2005-11-04 12:13:31.000000000 -0800 +++ linux-2.6.14-zach-work/include/asm-i386/segment.h 2005-11-05 00:28:13.000000000 -0800 @@ -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) +#def...
[PATCH 1/21] i386 Pnp segments in segment h
2007 Apr 18
0
[PATCH 1/21] i386 Pnp segments in segment h
...asm-i386/segment.h =================================================================== --- linux-2.6.14-zach-work.orig/include/asm-i386/segment.h 2005-11-04 12:13:31.000000000 -0800 +++ linux-2.6.14-zach-work/include/asm-i386/segment.h 2005-11-05 00:28:13.000000000 -0800 @@ -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) +#def...
[PATCH 4/21] i386 Broken bios common
2007 Apr 18
2
[PATCH 4/21] i386 Broken bios common
...asm-i386/segment.h =================================================================== --- linux-2.6.14-zach-work.orig/include/asm-i386/segment.h 2005-11-04 15:46:10.000000000 -0800 +++ linux-2.6.14-zach-work/include/asm-i386/segment.h 2005-11-05 00:28:05.000000000 -0800 @@ -91,6 +91,15 @@ #define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1) #define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8) +/* + * Turns out the BIOS data area at 0x400 is commonly accessed from broken + * BIOS using real mode selector 0x40. We cached the bogus BIOS segment + * descriptor in a spare entry and fix it up at boot. + */ +#define GDT_EN...
[PATCH 4/21] i386 Broken bios common
2007 Apr 18
2
[PATCH 4/21] i386 Broken bios common
...asm-i386/segment.h =================================================================== --- linux-2.6.14-zach-work.orig/include/asm-i386/segment.h 2005-11-04 15:46:10.000000000 -0800 +++ linux-2.6.14-zach-work/include/asm-i386/segment.h 2005-11-05 00:28:05.000000000 -0800 @@ -91,6 +91,15 @@ #define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1) #define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8) +/* + * Turns out the BIOS data area at 0x400 is commonly accessed from broken + * BIOS using real mode selector 0x40. We cached the bogus BIOS segment + * descriptor in a spare entry and fix it up at boot. + */ +#define GDT_EN...