#ifdef __GNUC__
#define INLINE __inline
+#define PACKED __attribute__((packed))
#elif defined(__WATCOMC__)
#define INLINE __inline
+#define PACKED
#else
#define INLINE
+#define PACKED
#endif
/* fast conversion of double -> 32bit int
return *(int32_t*)&val;
}
-uint32_t perf_start_count, perf_interval_count;
+extern uint32_t perf_start_count, perf_interval_count;
#ifdef __WATCOMC__
void perf_start(void);
#pragma aux perf_start = \
+ "xor eax, eax" \
+ "cpuid" \
"rdtsc" \
"mov [perf_start_count], eax" \
- modify[eax edx];
+ modify[eax ebx ecx edx];
void perf_end(void);
#pragma aux perf_end = \
+ "xor eax, eax" \
+ "cpuid" \
"rdtsc" \
"sub eax, [perf_start_count]" \
"mov [perf_interval_count], eax" \
- modify [eax edx];
+ modify [eax ebx ecx edx];
+
+void debug_break(void);
+#pragma aux debug_break = "int 3";
+
+void halt(void);
+#pragma aux halt = "hlt";
+
+void memset16(void *ptr, int val, int count);
+#pragma aux memset16 = \
+ "rep stosw" \
+ parm[edi][eax][ecx];
#endif
#ifdef __GNUC__
#define perf_start() asm volatile ( \
+ "xor %%eax, %%eax\n" \
+ "cpuid\n" \
"rdtsc\n" \
"mov %%eax, %0\n" \
- : "=m"(perf_start_count) :: "%eax", "%edx")
+ : "=m"(perf_start_count) \
+ :: "%eax", "%ebx", "%ecx", "%edx")
#define perf_end() asm volatile ( \
+ "xor %%eax, %%eax\n" \
+ "cpuid\n" \
"rdtsc\n" \
"sub %1, %%eax\n" \
"mov %%eax, %0\n" \
: "=m"(perf_interval_count) \
: "m"(perf_start_count) \
- : "%eax", "%edx")
+ : "%eax", "%ebx", "%ecx", "%edx")
+
+#define debug_break() \
+ asm volatile ("int $3")
+
+#define halt() \
+ asm volatile("hlt")
+
+#define memset16(ptr, val, count) asm volatile ( \
+ "rep stosw\n\t" \
+ :: "D"(ptr), "a"(val), "c"(count))
#endif
#ifdef _MSC_VER
#define perf_start() \
do { \
__asm { \
+ xor eax, eax \
+ cpuid \
rdtsc \
mov [perf_start_count], eax \
} \
#define perf_end() \
do { \
__asm { \
+ xor eax, eax \
+ cpuid \
rdtsc \
sub eax, [perf_start_count] \
mov [perf_interval_count], eax \
} \
} while(0)
+
+#define debug_break() \
+ do { \
+ __asm { int 3 } \
+ } while(0)
+
+#define memset16(ptr, val, count) \
+ do { \
+ __asm { \
+ mov edi, ptr \
+ mov ecx, count \
+ mov eax, val \
+ rep stosw \
+ } \
+ } while(0)
#endif
#endif /* UTIL_H_ */