Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 412 → Rev 413

/SPARTAN/trunk/arch/ia32/include/asm.h
131,13 → 131,15
*/
static inline __u32 inl(__u16 port) { __u32 val; __asm__ volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) ); return val; }
 
/** Set priority level low
/** Enable interrupts.
*
* Enable interrupts and return previous
* value of EFLAGS.
*
* @return Old interrupt priority level.
*/
static inline pri_t cpu_priority_low(void) {
pri_t v;
static inline ipl_t interrupts_enable(void) {
ipl_t v;
__asm__ volatile (
"pushf\n\t"
"popl %0\n\t"
147,13 → 149,15
return v;
}
 
/** Set priority level high
/** Disable interrupts.
*
* Disable interrupts and return previous
* value of EFLAGS.
*
* @return Old interrupt priority level.
*/
static inline pri_t cpu_priority_high(void) {
pri_t v;
static inline ipl_t interrupts_disable(void) {
ipl_t v;
__asm__ volatile (
"pushf\n\t"
"popl %0\n\t"
163,24 → 167,26
return v;
}
 
/** Restore priority level
/** Restore interrupt priority level.
*
* Restore EFLAGS.
*
* @param ipl Saved interrupt priority level.
*/
static inline void cpu_priority_restore(pri_t pri) {
static inline void interrupts_restore(ipl_t ipl) {
__asm__ volatile (
"pushl %0\n\t"
"popf\n"
: : "r" (pri)
: : "r" (ipl)
);
}
 
/** Return raw priority level
/** Return interrupt priority level.
*
* Return EFLAFS.
* @return EFLAFS.
*/
static inline pri_t cpu_priority_read(void) {
pri_t v;
static inline ipl_t interrupts_read(void) {
ipl_t v;
__asm__ volatile (
"pushf\n\t"
"popl %0\n"