/*
- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
*/
#ifndef _I386_SEG_H_
#define _I386_SEG_H_
-#ifdef MACH_KERNEL
-#include <mach_kdb.h>
-#else
-#define MACH_KDB 0
-#endif /* MACH_KERNEL */
#ifndef __ASSEMBLER__
#include <stdint.h>
#include <mach/vm_types.h>
#define LDTSZ_MIN SEL_TO_INDEX(USER_SETTABLE)
/* kernel ldt entries */
-#if MACH_KDB
-#define GDTSZ 20
-#else
#define GDTSZ 19
-#endif
-
-#ifdef __x86_64__
-#define PROT_MODE_GDT_SIZE 48 /* size of prot_mode_gdt in bytes */
-#endif
/*
* Interrupt table is always 256 entries long.
uint32_t access:8; /* access */
uint32_t reserved:32; /* reserved/zero */
};
-#ifdef __i386__
-#define FAKE_UBER64(addr32) { (uint32_t) (addr32), KERNEL_UBER_BASE_HI32 }
-#define FAKE_COMPAT(addr32) { (uint32_t) (addr32), 0x0 }
-#define UBER64(addr32) ((addr64_t) (uintptr_t)addr32 + KERNEL_UBER_BASE)
-#endif
/*
* Boot-time data for master (or only) CPU
extern struct i386_tss master_mctss;
extern void mc_task_start(void);
-#if MACH_KDB
-extern char db_stack_store[];
-extern char db_task_stack_store[];
-extern struct i386_tss master_dbtss;
-extern void db_task_start(void);
-#endif /* MACH_KDB */
-
__END_DECLS
#endif /*__ASSEMBLER__*/
#define NULL_SEG 0
-#ifdef __i386__
-/*
- * User descriptors for MACH - 32-bit flat address space
- */
-#define SYSENTER_CS 0x07 /* sysenter kernel code segment */
-#define SYSENTER_DS 0x0f /* sysenter kernel data segment */
-#define USER_CS 0x17 /* user code segment
- Must be SYSENTER_CS+16 for sysexit */
-/* Special case: sysenter with EFL_TF (trace bit) set - use iret not sysexit */
-#define SYSENTER_TF_CS (USER_CS|0x10000)
-#define USER_DS 0x1f /* user data segment
- Must be SYSENTER_CS+24 for sysexit */
-#define USER64_CS 0x27 /* 64-bit user code segment
- Must be USER_CS+16 for sysret */
-#define USER64_DS USER_DS /* 64-bit user data segment == 32-bit */
-#define SYSCALL_CS 0x2f /* 64-bit syscall pseudo-segment */
-#define USER_CTHREAD 0x37 /* user cthread area */
-#define USER_SETTABLE 0x3f /* start of user settable ldt entries */
-#define USLDTSZ 10 /* number of user settable entries */
-
-/*
- * Kernel descriptors for MACH - 32-bit flat address space.
- */
-#define KERNEL32_CS 0x08 /* kernel code */
-#define KERNEL_DS 0x10 /* kernel data */
-#define KERNEL_LDT 0x18 /* master LDT */
-#define KERNEL_LDT_2 0x20 /* master LDT expanded for 64-bit */
-#define KERNEL_TSS 0x28 /* master TSS */
-#define KERNEL_TSS_2 0x30 /* master TSS expanded for 64-bit */
-
-#define MC_TSS 0x38 /* machine-check handler TSS */
-
-#define CPU_DATA_GS 0x48 /* per-cpu data */
-
-#define DF_TSS 0x50 /* double-fault handler TSS */
-
-#define USER_LDT 0x58
-#define USER_TSS 0x60
-#define FPE_CS 0x68
-
-#else // __x86_64__
/*
* Kernel descriptors for MACH - 64-bit flat address space.
*/
-#define KERNEL64_CS 0x08 /* 1: First entry */
-#define SYSENTER_CS 0x0b /* alias to KERNEL64_CS */
-#define KERNEL64_SS 0x10 /* 2: must be SYSENTER_CS + 8 */
-#define USER_CS 0x1b /* 3: must be SYSENTER_CS + 16 */
-#define USER_DS 0x23 /* 4: must be SYSENTER_CS + 24 */
-#define USER64_CS 0x2b /* 5: must be SYSENTER_CS + 32 */
-#define USER64_DS USER_DS /* nothing special about 64bit DS */
+#define KERNEL64_CS 0x08 /* 1: K64 code */
+#define SYSENTER_CS 0x0b /* U32 sysenter pseudo-segment */
+#define KERNEL64_SS 0x10 /* 2: KERNEL64_CS+8 for syscall */
+#define USER_CS 0x1b /* 3: U32 code */
+#define USER_DS 0x23 /* 4: USER_CS+8 for sysret */
+#define USER64_CS 0x2b /* 5: USER_CS+16 for sysret */
+#define USER64_DS USER_DS /* U64 data pseudo-segment */
#define KERNEL_LDT 0x30 /* 6: */
/* 7: other 8 bytes of KERNEL_LDT */
#define KERNEL_TSS 0x40 /* 8: */
#define KERNEL32_CS 0x50 /* 10: */
#define USER_LDT 0x58 /* 11: */
/* 12: other 8 bytes of USER_LDT */
-#define KERNEL_DS 0x80 /* 16: */
-#define SYSCALL_CS 0x8f /* 17: 64-bit syscall pseudo-segment */
+#define KERNEL_DS 0x68 /* 13: 32-bit kernel data */
-#endif
-
-#ifdef __i386__
-#define USER_WINDOW_SEL 0x70 /* 14: window for copyin/copyout */
-#define PHYS_WINDOW_SEL 0x78 /* 15: window for copyin/copyout */
-#define KERNEL64_CS 0x80 /* 16: kernel 64-bit code */
-#define KERNEL64_SS 0x88 /* 17: kernel 64-bit (syscall) stack */
-#else // __x86_64__
#define SYSENTER_TF_CS (USER_CS|0x10000)
#define SYSENTER_DS KERNEL64_SS /* sysenter kernel data segment */
-#endif
-
-#if MACH_KDB
-#define DEBUG_TSS 0x90 /* 18: debug TSS (uniprocessor) */
-#endif
#ifdef __x86_64__
/*
* 64-bit kernel LDT descriptors
*/
+#define SYSCALL_CS 0x07 /* syscall pseudo-segment */
#define USER_CTHREAD 0x0f /* user cthread area */
#define USER_SETTABLE 0x1f /* start of user settable ldt entries */
-#define USLDTSZ 10 /* number of user settable entries */
#endif
#endif /* _I386_SEG_H_ */
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