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[tg3] Remove x86-specific inline assembly 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/51/head
Michael Brown 2016-03-12 21:15:43 +00:00
parent 7e78cdddc8
commit 86f96a40f4
1 changed files with 9 additions and 27 deletions
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36
src/drivers/net/tg3/tg3.h
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@ -3320,43 +3320,25 @@ void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val);
/* Functions & macros to verify TG3_FLAGS types */
static inline int variable_test_bit(int nr, volatile const unsigned long *addr)
{
int oldbit;
asm volatile("bt %2,%1\n\t"
"sbb %0,%0"
: "=r" (oldbit)
: "m" (*(unsigned long *)addr), "Ir" (nr));
return oldbit;
}
static inline int _tg3_flag(enum TG3_FLAGS flag, unsigned long *bits)
{
return variable_test_bit(flag, bits);
}
#define BITOP_ADDR(x) "+m" (*(volatile long *) (x))
static inline void __set_bit(int nr, volatile unsigned long *addr)
{
asm volatile("bts %1,%0" : BITOP_ADDR(addr) : "Ir" (nr) : "memory");
unsigned int index = ( flag / ( 8 * sizeof ( *bits ) ) );
unsigned int bit = ( flag % ( 8 * sizeof ( *bits ) ) );
return ( bits[index] & ( 1UL << bit ) );
}
static inline void _tg3_flag_set(enum TG3_FLAGS flag, unsigned long *bits)
{
__set_bit(flag, bits);
}
static inline void __clear_bit(int nr, volatile unsigned long *addr)
{
asm volatile("btr %1,%0" : BITOP_ADDR(addr) : "Ir" (nr));
unsigned int index = ( flag / ( 8 * sizeof ( *bits ) ) );
unsigned int bit = ( flag % ( 8 * sizeof ( *bits ) ) );
bits[index] |= ( 1UL << bit );
}
static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
{
__clear_bit(flag, bits);
unsigned int index = ( flag / ( 8 * sizeof ( *bits ) ) );
unsigned int bit = ( flag % ( 8 * sizeof ( *bits ) ) );
bits[index] &= ~( 1UL << bit );
}
#define tg3_flag(tp, flag) \