http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/asm-i386/segment.h

#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 GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE + 1) #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS * 8) #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