diff options
Diffstat (limited to 'linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/segment.h')
| -rw-r--r-- | linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/segment.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/segment.h b/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/segment.h deleted file mode 100644 index f9a75b33a3..0000000000 --- a/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/segment.h +++ /dev/null @@ -1,117 +0,0 @@ -#ifndef _ASM_SEGMENT_H -#define _ASM_SEGMENT_H - -/* - * The layout of the per-CPU GDT under Linux: - * - * 0 - null - * 1 - reserved - * 2 - reserved - * 3 - reserved - * - * 4 - unused <==== new cacheline - * 5 - unused - * - * ------- start of TLS (Thread-Local Storage) segments: - * - * 6 - TLS segment #1 [ glibc's TLS segment ] - * 7 - TLS segment #2 [ Wine's %fs Win32 segment ] - * 8 - TLS segment #3 - * 9 - reserved - * 10 - reserved - * 11 - reserved - * - * ------- start of kernel segments: - * - * 12 - kernel code segment <==== new cacheline - * 13 - kernel data segment - * 14 - default user CS - * 15 - default user DS - * 16 - TSS - * 17 - LDT - * 18 - PNPBIOS support (16->32 gate) - * 19 - PNPBIOS support - * 20 - PNPBIOS support - * 21 - PNPBIOS support - * 22 - PNPBIOS support - * 23 - APM BIOS support - * 24 - APM BIOS support - * 25 - APM BIOS support - * - * 26 - ESPFIX small SS - * 27 - unused - * 28 - unused - * 29 - unused - * 30 - unused - * 31 - TSS for double fault handler - */ -#define GDT_ENTRY_TLS_ENTRIES 3 -#define GDT_ENTRY_TLS_MIN 6 -#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) - -#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) - -#define GDT_ENTRY_DEFAULT_USER_CS 14 -#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3) - -#define GDT_ENTRY_DEFAULT_USER_DS 15 -#define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS * 8 + 3) - -#define GDT_ENTRY_KERNEL_BASE 12 - -#define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE + 0) -#define __KERNEL_CS (GDT_ENTRY_KERNEL_CS * 8) -#define GET_KERNEL_CS() (__KERNEL_CS | (xen_feature(XENFEAT_supervisor_mode_kernel)?0:1) ) - -#define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE + 1) -#define __KERNEL_DS (GDT_ENTRY_KERNEL_DS * 8) -#define GET_KERNEL_DS() (__KERNEL_DS | (xen_feature(XENFEAT_supervisor_mode_kernel)?0:1) ) - -#define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE + 4) -#define GDT_ENTRY_LDT (GDT_ENTRY_KERNEL_BASE + 5) - -#define GDT_ENTRY_PNPBIOS_BASE (GDT_ENTRY_KERNEL_BASE + 6) -#define GDT_ENTRY_APMBIOS_BASE (GDT_ENTRY_KERNEL_BASE + 11) - -#define GDT_ENTRY_ESPFIX_SS (GDT_ENTRY_KERNEL_BASE + 14) -#define __ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8) - -#define GDT_ENTRY_DOUBLEFAULT_TSS 31 - -/* - * The GDT has 32 entries - */ -#define GDT_ENTRIES 32 - -#define GDT_SIZE (GDT_ENTRIES * 8) - -/* Simple and small GDT entries for booting only */ - -#define GDT_ENTRY_BOOT_CS 2 -#define __BOOT_CS (GDT_ENTRY_BOOT_CS * 8) - -#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 - * of tasks we can have.. - */ -#define IDT_ENTRIES 256 - -#endif |