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introduce the hlt instruction

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This commit is contained in:
Stefan Lankes 2011-04-07 20:30:23 +02:00
parent 6b86f3c572
commit 030243f200
1 changed files with 5 additions and 12 deletions
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17
arch/x86/include/asm/processor.h
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@ -71,14 +71,6 @@ inline static void cpuid(uint32_t code, uint32_t* a, uint32_t* b, uint32_t* c, u
asm volatile ("cpuid" : "=a"(*a), "=b"(*b), "=c"(*c), "=d"(*d) : "0"(code));
}
inline static void flush_pipeline(void) {
uint32_t low = 0;
uint32_t high = 0;
uint32_t code = 0;
asm volatile ("cpuid" : "=a"(low), "=d"(high) : "0"(code) : "%ebx", "%ecx");
}
inline static uint64_t rdmsr(uint32_t msr) {
uint32_t low, high;
@ -135,10 +127,11 @@ static inline uint32_t read_eflags(void)
uint32_t read_eip(void);
#define NOP1 asm volatile ("nop")
#define NOP2 asm volatile ("nop;nop")
#define NOP4 asm volatile ("nop;nop;nop;nop")
#define NOP8 asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop")
#define NOP1 asm volatile ("nop")
#define NOP2 asm volatile ("nop;nop")
#define NOP4 asm volatile ("nop;nop;nop;nop")
#define NOP8 asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop")
#define HALT asm volatile ("hlt");
inline static int system_init(void)
{