implement get_cpu_clock() for s390/s390x

[fio.git] / arch / arch-ia64.h

diff --git a/arch/arch-ia64.h b/arch/arch-ia64.h
index 9c8b406c1bc3e29bd495f0c5cab699e4e583203a..2df55ba4846c838872f1a277da7404abec86b9df 100644 (file)
--- a/arch/arch-ia64.h
+++ b/arch/arch-ia64.h
@@ -1,7 +1,7 @@
 #ifndef ARCH_IA64_H
 #define ARCH_IA64_H
 
-#define ARCH   (arch_ia64)
+#define FIO_ARCH       (arch_ia64)
 
 #ifndef __NR_ioprio_set
 #define __NR_ioprio_set                1274
@@ -20,5 +20,37 @@
 
 #define nop            asm volatile ("hint @pause" ::: "memory");
 #define read_barrier() asm volatile ("mf" ::: "memory")
+#define write_barrier()        asm volatile ("mf" ::: "memory")
+
+#define ia64_popcnt(x)                                                 \
+({                                                                     \
+       unsigned long ia64_intri_res;                                   \
+       asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x));         \
+       ia64_intri_res;                                                 \
+})
+
+static inline unsigned long arch_ffz(unsigned long bitmask)
+{
+       return ia64_popcnt(bitmask & (~bitmask - 1));
+}
+
+static inline unsigned long get_cpu_clock(void)
+{
+       unsigned long ret;
+
+       __asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory");
+       return ret;
+}
+
+#define ARCH_HAVE_INIT
+extern int tsc_reliable;
+static inline int arch_init(char *envp[])
+{
+       tsc_reliable = 1;
+       return 0;
+}
+
+#define ARCH_HAVE_FFZ
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif