/**************************************************************************** **************************************************************************** *** *** 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