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static inline unsigned char get_fs_byte(const char * addr)
{
unsigned register char _v;
__asm__ ("movb %%fs:%1,%0":"=r" (_v):"m" (*addr));
return _v;
}
static inline unsigned short get_fs_word(const unsigned short *addr)
{
unsigned short _v;
__asm__ ("movw %%fs:%1,%0":"=r" (_v):"m" (*addr));
return _v;
}
static inline unsigned long get_fs_long(const unsigned long *addr)
{
unsigned long _v;
__asm__ ("movl %%fs:%1,%0":"=r" (_v):"m" (*addr)); \
return _v;
}
static inline void put_fs_byte(char val,char *addr)
{
__asm__ ("movb %0,%%fs:%1"::"r" (val),"m" (*addr));
}
static inline void put_fs_word(short val,short * addr)
{
__asm__ ("movw %0,%%fs:%1"::"r" (val),"m" (*addr));
}
static inline void put_fs_long(unsigned long val,unsigned long * addr)
{
__asm__ ("movl %0,%%fs:%1"::"r" (val),"m" (*addr));
}
/*
* Someone who knows GNU asm better than I should double check the followig.
* It seems to work, but I don't know if I'm doing something subtly wrong.
* --- TYT, 11/24/91
* [ nothing wrong here, Linus ]
*/
static inline unsigned long get_fs()
{
unsigned short _v;
__asm__("mov %%fs,%%ax":"=a" (_v):);
return _v;
}
static inline unsigned long get_ds()
{
unsigned short _v;
__asm__("mov %%ds,%%ax":"=a" (_v):);
return _v;
}
static inline void set_fs(unsigned long val)
{
__asm__("mov %0,%%fs"::"a" ((unsigned short) val));
}
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