135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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#include "types.h"
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#ifndef _ASM
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# define _ASM
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/******************************************************************************/
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# define int20 asm("int $0x14")
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# define halt() asm("hlt"::)
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# define sti() asm("sti"::)
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# define cli() asm("cli"::)
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# define nop() asm("nop"::)
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# define pushad() asm("pushal"::)
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# define popad() asm("popal"::)
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# define pushf() asm("pushf"::)
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# define pop(mem) asm("popl %0":"=m" (mem))
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# define push(mem) asm("pushl %0"::"m" (mem))
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# define popf() asm("popf"::)
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# define iret() asm("iret"::)
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# define leave() asm("leave"::)
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# define irqendmaster() asm("movb $0x20,%al; \
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outb %al,$0x20;")
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# define irqendslave() asm("movb $0x20,%al; \
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outb %al,$0xA0;")
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# define lidt(idtr) asm ("lidtl %0"::"m" (*idtr))
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# define lgdt(gdtr) asm ("lgdtl %0"::"m" (*gdtr))
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# define lldt(ldtr) asm ("lldtl %0"::"m" (*ldtr))
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# define ltr(tss) asm volatile ("ltr %%ax":: "a" (tss))
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# define sidt(idtr) asm ("sidtl %0"::"m" (*idtr))
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# define sgdt(gdtr) asm ("sgdtl %0"::"m" (*gdtr))
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# define sldt(ldtr) asm ("sldtl %0"::"m" (*ldtr))
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# define str(tss) asm volatile ("str %%ax;\
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mov %%ax,%0":: "m" (tss))
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# define wrmsr(reg,low,high) asm volatile ("wrmsr" :: "c" (reg), "a" (low), "d" (high))
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# define rdmsr(reg,low,high) asm volatile ("rdmsr" :: "=a" (low), "=d" (high) : "c" (reg) )
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# define movsb(src,dst,count) \
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asm volatile ("cld;rep movsb"::"S" (src), "D" (dst), "c" (count));
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# define movsw(src,dst,count) \
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asm volatile ("cld;rep movsw"::"S" (src), "D" (dst), "c" (count));
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# define movsd(src,dst,count) \
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asm volatile ("cld;rep movsl"::"S" (src), "D" (dst), "c" (count));
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# define stosb(pattern,dst,count) \
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asm volatile ("cld;rep stosb"::"c" (count), "D" (dst), "a" (pattern));
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# define stosw(pattern,dst,count) \
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asm volatile ("cld;rep stosw"::"c" (count), "D" (dst), "a" (pattern));
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# define stosd(pattern,dst,count) \
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asm volatile ("cld;rep stosl"::"c" (count), "D" (dst), "a" (pattern));
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# define rol(addr) \
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asm volatile ("rolb $0x1,%0":"=m" (addr):);
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# define ror(addr) \
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asm volatile ("rorb $0x1,%0":"=m" (addr):);
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# define finit() \
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asm volatile ("finit"::);
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/******************************************************************************/
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# define outb(port,value) \
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asm volatile ("outb %%al,%%dx"::"d" (port), "a" (value));
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# define outw(port,value) \
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asm volatile ("outw %%ax,%%dx"::"d" (port), "a" (value));
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# define outd(port,value) \
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asm volatile ("outl %%eax,%%dx"::"d" (port), "a" (value));
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/******************************************************************************/
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# define inb(port) ({ \
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u8 _v; \
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asm volatile ("inb %%dx,%%al" : "=a" (_v) : "d" (port)); \
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_v; \
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})
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# define inw(port) ({ \
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u16 _v; \
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asm volatile ("inw %%dx,%%ax" : "=a" (_v) : "d"(port)); \
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_v; \
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})
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# define ind(port) ({ \
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u32 _v; \
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asm volatile ("inl %%dx,%%eax" : "=a" (_v) : "d"(port)); \
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_v; \
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})
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/******************************************************************************/
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/* pas terminé */
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# define rolb(input,rotate) ({ \
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u32 _v; \
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asm volatile ("roll %1,%0" : "=g" (_v) : "cI" (rotate), "0" (input)); \
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_v; \
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}
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/******************************************************************************/
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#endif
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