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Added a wbinvd() macro.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15526 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-12-13 01:49:44 +00:00
parent 2ed21b8525
commit d49423aea3
1 changed files with 22 additions and 19 deletions
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41
headers/private/kernel/arch/x86/arch_cpu.h
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@ -124,46 +124,49 @@ struct tss *x86_get_main_tss(void);
#define invalidate_TLB(va) \
__asm__("invlpg (%0)" : : "r" (va))
#define wbinvd() \
__asm__("wbinvd")
#define out8(value,port) \
__asm__ ("outb %%al,%%dx" : : "a" (value), "d" (port))
__asm__ ("outb %%al,%%dx" : : "a" (value), "d" (port))
#define out16(value,port) \
__asm__ ("outw %%ax,%%dx" : : "a" (value), "d" (port))
__asm__ ("outw %%ax,%%dx" : : "a" (value), "d" (port))
#define out32(value,port) \
__asm__ ("outl %%eax,%%dx" : : "a" (value), "d" (port))
__asm__ ("outl %%eax,%%dx" : : "a" (value), "d" (port))
#define in8(port) ({ \
uint8 _v; \
__asm__ volatile ("inb %%dx,%%al" : "=a" (_v) : "d" (port)); \
_v; \
uint8 _v; \
__asm__ volatile ("inb %%dx,%%al" : "=a" (_v) : "d" (port)); \
_v; \
})
#define in16(port) ({ \
uint16 _v; \
__asm__ volatile ("inw %%dx,%%ax":"=a" (_v) : "d" (port)); \
_v; \
uint16 _v; \
__asm__ volatile ("inw %%dx,%%ax":"=a" (_v) : "d" (port)); \
_v; \
})
#define in32(port) ({ \
uint32 _v; \
__asm__ volatile ("inl %%dx,%%eax":"=a" (_v) : "d" (port)); \
_v; \
uint32 _v; \
__asm__ volatile ("inl %%dx,%%eax":"=a" (_v) : "d" (port)); \
_v; \
})
#define out8_p(value,port) \
__asm__ ("outb %%al,%%dx\n" \
__asm__ ("outb %%al,%%dx\n" \
"\tjmp 1f\n" \
"1:\tjmp 1f\n" \
"1:" : : "a" (value), "d" (port))
#define in8_p(port) ({ \
uint8 _v; \
__asm__ volatile ("inb %%dx,%%al\n" \
"\tjmp 1f\n" \
"1:\tjmp 1f\n" \
"1:" : "=a" (_v) : "d" (port)); \
_v; \
uint8 _v; \
__asm__ volatile ("inb %%dx,%%al\n" \
"\tjmp 1f\n" \
"1:\tjmp 1f\n" \
"1:" : "=a" (_v) : "d" (port)); \
_v; \
})
extern segment_descriptor *gGDT;