diff options
| author |   Alexander van Heukelum <heukelum@fastmail.fm> | 2009-06-18 00:35:59 +0200 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@zytor.com> | 2009-06-17 21:35:10 -0700 |
| commit | bc3f5d3dbd576da94a575b1477b8e38551bf11da (patch) | |
| tree | 0e36e382c44a9abf94f73accf25580f5612794f5 /arch/x86/include/asm/desc.h | |
| parent | i386: fix/simplify espfix stack switching, move it into assembly (diff) | |
| download | linux-dev-bc3f5d3dbd576da94a575b1477b8e38551bf11da.tar.xz linux-dev-bc3f5d3dbd576da94a575b1477b8e38551bf11da.zip | |
x86: de-assembler-ize asm/desc.h
asm/desc.h is included in three assembly files, but the only macro
it defines, GET_DESC_BASE, is never used. This patch removes the
includes, removes the macro GET_DESC_BASE and the ASSEMBLY guard
from asm/desc.h.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/desc.h')
| -rw-r--r-- | arch/x86/include/asm/desc.h | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index c45f415ce315..c993e9e0fed4 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -1,7 +1,6 @@ #ifndef _ASM_X86_DESC_H #define _ASM_X86_DESC_H -#ifndef __ASSEMBLY__ #include <asm/desc_defs.h> #include <asm/ldt.h> #include <asm/mmu.h> @@ -380,29 +379,4 @@ static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); } -#else -/* - * GET_DESC_BASE reads the descriptor base of the specified segment. - * - * Args: - * idx - descriptor index - * gdt - GDT pointer - * base - 32bit register to which the base will be written - * lo_w - lo word of the "base" register - * lo_b - lo byte of the "base" register - * hi_b - hi byte of the low word of the "base" register - * - * Example: - * GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah) - * Will read the base address of GDT_ENTRY_ESPFIX_SS and put it into %eax. - */ -#define GET_DESC_BASE(idx, gdt, base, lo_w, lo_b, hi_b) \ - movb idx * 8 + 4(gdt), lo_b; \ - movb idx * 8 + 7(gdt), hi_b; \ - shll $16, base; \ - movw idx * 8 + 2(gdt), lo_w; - - -#endif /* __ASSEMBLY__ */ - #endif /* _ASM_X86_DESC_H */ |