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Use get_cyclecount() rather than hardcoding rdtsc and rpcc in asm for i386

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and alpha, respectively.
This commit is contained in:
John Baldwin 2005-07-21 16:34:14 +00:00
parent e5e871963c
commit 9862c11e9d
2 changed files with 4 additions and 40 deletions
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22
sys/dev/de/if_devar.h
View File

@ -958,33 +958,15 @@ NETISR_SET(NETISR_DE, tulip_softintr);
(sc)->tulip_curperfstats.perf_ ## name ++; \
} while (0)
#if defined(__i386__)
typedef u_quad_t tulip_cycle_t;
typedef u_long tulip_cycle_t;
static __inline tulip_cycle_t
TULIP_PERFREAD(void)
{
tulip_cycle_t x;
__asm__ volatile (".byte 0x0f, 0x31":"=A" (x));
return (x);
return (get_cyclecount());
}
#define TULIP_PERFDIFF(s, f) ((f) - (s))
#elif defined(__alpha__)
typedef unsigned long tulip_cycle_t;
static __inline tulip_cycle_t
TULIP_PERFREAD(void)
{
tulip_cycle_t x;
__asm__ volatile ("rpcc %0":"=r" (x));
return (x);
}
#define TULIP_PERFDIFF(s, f) ((unsigned int) ((f) - (s)))
#endif
#else
#define TULIP_PERFSTART(name)
#define TULIP_PERFEND(name) do { } while (0)

22
sys/pci/if_devar.h
View File

@ -958,33 +958,15 @@ NETISR_SET(NETISR_DE, tulip_softintr);
(sc)->tulip_curperfstats.perf_ ## name ++; \
} while (0)
#if defined(__i386__)
typedef u_quad_t tulip_cycle_t;
typedef u_long tulip_cycle_t;
static __inline tulip_cycle_t
TULIP_PERFREAD(void)
{
tulip_cycle_t x;
__asm__ volatile (".byte 0x0f, 0x31":"=A" (x));
return (x);
return (get_cyclecount());
}
#define TULIP_PERFDIFF(s, f) ((f) - (s))
#elif defined(__alpha__)
typedef unsigned long tulip_cycle_t;
static __inline tulip_cycle_t
TULIP_PERFREAD(void)
{
tulip_cycle_t x;
__asm__ volatile ("rpcc %0":"=r" (x));
return (x);
}
#define TULIP_PERFDIFF(s, f) ((unsigned int) ((f) - (s)))
#endif
#else
#define TULIP_PERFSTART(name)
#define TULIP_PERFEND(name) do { } while (0)