sanchayanmaity/xv6-cs450
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

We don't use lesp/lebp and using them at all from C would be fraught with peril. Keep resp/rebp, but fix their code style.

Browse source
This commit is contained in:
Austin Clements 2010-08-31 17:07:54 -04:00
parent 7914ab7214
commit 29c054df81
1 changed files with 11 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
x86.h
View file

@ -96,24 +96,16 @@ loadgs(ushort v)
asm volatile("movw %0, %%gs" : : "r" (v));
}
static inline void lebp(uint val)
{
asm volatile("movl %0,%%ebp" : : "r" (val));
}
static inline uint rebp(void)
static inline uint
rebp(void)
{
uint val;
asm volatile("movl %%ebp,%0" : "=r" (val));
return val;
}
static inline void lesp(uint val)
{
asm volatile("movl %0,%%esp" : : "r" (val));
}
static inline uint resp(void)
static inline uint
resp(void)
{
uint val;
asm volatile("movl %%esp,%0" : "=r" (val));
@ -132,13 +124,6 @@ sti(void)
asm volatile("sti");
}
static inline void
nop_pause(void)
{
asm volatile("pause" : :);
}
//PAGEBREAK!
static inline uint
xchg(volatile uint *addr, uint newval)
{
@ -152,6 +137,13 @@ xchg(volatile uint *addr, uint newval)
return result;
}
static inline void
nop_pause(void)
{
asm volatile("pause" : :);
}
//PAGEBREAK!
static inline void
lcr0(uint val)
{