* Copyright 2002-2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_ARCH_x86_DESCRIPTORS_H
#define _KERNEL_ARCH_x86_DESCRIPTORS_H
#define DPL_KERNEL 0
#define DPL_USER 3
#ifndef _ASSEMBLER
#include <SupportDefs.h>
struct kernel_args;
enum descriptor_types {
DT_CODE_EXECUTE_ONLY = 0x8,
DT_CODE_ACCESSED = 0x9,
DT_CODE_READABLE = 0xa,
DT_CODE_CONFORM = 0xc,
DT_DATA_READ_ONLY = 0x0,
DT_DATA_ACCESSED = 0x1,
DT_DATA_WRITEABLE = 0x2,
DT_DATA_EXPANSION_DOWN = 0x4,
DT_TSS = 9,
DT_SYSTEM_SEGMENT = 0,
DT_CODE_DATA_SEGMENT = 1,
};
enum gate_types {
GATE_INTERRUPT = 14,
GATE_TRAP = 15,
};
void x86_descriptors_preboot_init_percpu(kernel_args* args, int cpu);
void x86_descriptors_init(kernel_args* args);
#endif
#ifdef __x86_64__
# include <arch/x86/64/descriptors.h>
#else
# include <arch/x86/32/descriptors.h>
#endif
#endif
