From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- include/asm-x86/desc_defs.h | 95 --------------------------------------------- 1 file changed, 95 deletions(-) delete mode 100644 include/asm-x86/desc_defs.h (limited to 'include/asm-x86/desc_defs.h') diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h deleted file mode 100644 index b881db664b4..00000000000 --- a/include/asm-x86/desc_defs.h +++ /dev/null @@ -1,95 +0,0 @@ -/* Written 2000 by Andi Kleen */ -#ifndef ASM_X86__DESC_DEFS_H -#define ASM_X86__DESC_DEFS_H - -/* - * Segment descriptor structure definitions, usable from both x86_64 and i386 - * archs. - */ - -#ifndef __ASSEMBLY__ - -#include - -/* - * FIXME: Acessing the desc_struct through its fields is more elegant, - * and should be the one valid thing to do. However, a lot of open code - * still touches the a and b acessors, and doing this allow us to do it - * incrementally. We keep the signature as a struct, rather than an union, - * so we can get rid of it transparently in the future -- glommer - */ -/* 8 byte segment descriptor */ -struct desc_struct { - union { - struct { - unsigned int a; - unsigned int b; - }; - struct { - u16 limit0; - u16 base0; - unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; - unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; - }; - }; -} __attribute__((packed)); - -enum { - GATE_INTERRUPT = 0xE, - GATE_TRAP = 0xF, - GATE_CALL = 0xC, - GATE_TASK = 0x5, -}; - -/* 16byte gate */ -struct gate_struct64 { - u16 offset_low; - u16 segment; - unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1; - u16 offset_middle; - u32 offset_high; - u32 zero1; -} __attribute__((packed)); - -#define PTR_LOW(x) ((unsigned long long)(x) & 0xFFFF) -#define PTR_MIDDLE(x) (((unsigned long long)(x) >> 16) & 0xFFFF) -#define PTR_HIGH(x) ((unsigned long long)(x) >> 32) - -enum { - DESC_TSS = 0x9, - DESC_LDT = 0x2, - DESCTYPE_S = 0x10, /* !system */ -}; - -/* LDT or TSS descriptor in the GDT. 16 bytes. */ -struct ldttss_desc64 { - u16 limit0; - u16 base0; - unsigned base1 : 8, type : 5, dpl : 2, p : 1; - unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8; - u32 base3; - u32 zero1; -} __attribute__((packed)); - -#ifdef CONFIG_X86_64 -typedef struct gate_struct64 gate_desc; -typedef struct ldttss_desc64 ldt_desc; -typedef struct ldttss_desc64 tss_desc; -#define gate_offset(g) ((g).offset_low | ((unsigned long)(g).offset_middle << 16) | ((unsigned long)(g).offset_high << 32)) -#define gate_segment(g) ((g).segment) -#else -typedef struct desc_struct gate_desc; -typedef struct desc_struct ldt_desc; -typedef struct desc_struct tss_desc; -#define gate_offset(g) (((g).b & 0xffff0000) | ((g).a & 0x0000ffff)) -#define gate_segment(g) ((g).a >> 16) -#endif - -struct desc_ptr { - unsigned short size; - unsigned long address; -} __attribute__((packed)) ; - -#endif /* !__ASSEMBLY__ */ - -#endif /* ASM_X86__DESC_DEFS_H */ -- cgit v1.2.3