| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _ASM_SEGMENT_H |
| #define _ASM_SEGMENT_H |
| |
| #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_PERCPU (GDT_ENTRY_KERNEL_BASE + 15) |
| #define __KERNEL_PERCPU 0 |
| |
| #define GDT_ENTRY_DOUBLEFAULT_TSS 31 |
| |
| #define GDT_ENTRIES 32 |
| #define GDT_SIZE (GDT_ENTRIES * 8) |
| |
| #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) |
| |
| #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) |
| |
| #define PNP_CS32 (GDT_ENTRY_PNPBIOS_CS32 * 8) |
| #define PNP_CS16 (GDT_ENTRY_PNPBIOS_CS16 * 8) |
| #define PNP_DS (GDT_ENTRY_PNPBIOS_DS * 8) |
| #define PNP_TS1 (GDT_ENTRY_PNPBIOS_TS1 * 8) |
| #define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) |
| |
| #define IDT_ENTRIES 256 |
| |
| #define SEGMENT_RPL_MASK 0x3 |
| |
| #define SEGMENT_TI_MASK 0x4 |
| |
| #define USER_RPL 0x3 |
| |
| #define SEGMENT_LDT 0x4 |
| #define SEGMENT_GDT 0x0 |
| |
| #define get_kernel_rpl() 0 |
| |
| #define SEGMENT_IS_KERNEL_CODE(x) (((x) & 0xfc) == GDT_ENTRY_KERNEL_CS * 8) |
| |
| #define SEGMENT_IS_FLAT_CODE(x) (((x) & 0xec) == GDT_ENTRY_KERNEL_CS * 8) |
| |
| #define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8) |
| |
| #endif |
