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authorRichard Henderson <rth@twiddle.net>2014-06-25 13:58:59 -0700
committerRichard Henderson <rth@twiddle.net>2014-07-03 08:38:30 -0700
commit86e1a7ff92df1589a3a0e0dd44ef2d861e307620 (patch)
tree4d4d60aeed7a88a42ac04f5e0867fc76b832d84f /sysdeps
parent428dd03f5a7291d19f0c45fc314da9356ee22d63 (diff)
downloadglibc-86e1a7ff92df1589a3a0e0dd44ef2d861e307620.tar.gz
glibc-86e1a7ff92df1589a3a0e0dd44ef2d861e307620.tar.xz
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Unify hp-timing implementations
Provide an hp-timing-common.h for ports to use.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/hp-timing.h53
-rw-r--r--sysdeps/generic/hp-timing-common.h62
-rw-r--r--sysdeps/generic/hp-timing.h32
-rw-r--r--sysdeps/i386/i686/hp-timing.h61
-rw-r--r--sysdeps/ia64/hp-timing.h56
-rw-r--r--sysdeps/powerpc/powerpc32/power4/hp-timing.h54
-rw-r--r--sysdeps/powerpc/powerpc64/hp-timing.h54
-rw-r--r--sysdeps/sparc/sparc32/sparcv9/hp-timing.h19
-rw-r--r--sysdeps/sparc/sparc64/hp-timing.h19
-rw-r--r--sysdeps/x86_64/hp-timing.h16
10 files changed, 82 insertions, 344 deletions
diff --git a/sysdeps/alpha/hp-timing.h b/sysdeps/alpha/hp-timing.h
index 9745e5360d..26a0287029 100644
--- a/sysdeps/alpha/hp-timing.h
+++ b/sysdeps/alpha/hp-timing.h
@@ -20,42 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-
-/* The macros defined here use the timestamp counter in IA-64.  They
-   provide a very accurate way to measure the time with very little
-   overhead.  The time values themself have no real meaning, only
-   differences are interesting.
-
-   The list of macros we need includes the following:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-*/
-
 /* We always have the timestamp register, but it's got only a 4 second
    range.  Use it for ld.so profiling only.  */
 #define HP_TIMING_AVAIL		(0)
@@ -77,21 +41,6 @@ typedef unsigned int hp_timing_t;
     (VAR) = (int) (x_) - (int) (x_ >> 32);				      \
   } while (0)
 
-/* It's simple arithmetic for us.  */
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-/* Print the time value.  */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa_word (Val, __buf + sizeof (__buf), 10, 0);	      \
-    int __len = (Len);							      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " clock cycles", MIN (__len, sizeof (" clock cycles")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/generic/hp-timing-common.h b/sysdeps/generic/hp-timing-common.h
new file mode 100644
index 0000000000..1d7e95ee80
--- /dev/null
+++ b/sysdeps/generic/hp-timing-common.h
@@ -0,0 +1,62 @@
+/* High precision, low overhead timing functions.  Generic version.
+   Copyright (C) 1998-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* In case a platform supports timers in the hardware the following macros
+   and types must be defined:
+
+   - HP_TIMING_AVAIL: test for availability.
+
+   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
+     implemented using function calls but instead uses some inlined code
+     which might simply consist of a few assembler instructions.  We have to
+     know this since we might want to use the macros here in places where we
+     cannot make function calls.
+
+   - hp_timing_t: This is the type for variables used to store the time
+     values.  This type must be integral.
+
+   - HP_TIMING_NOW: place timestamp for current time in variable given as
+     parameter.
+*/
+
+/* The target supports hp-timing.  Share the common infrastructure.  */
+
+#include <string.h>
+#include <sys/param.h>
+#include <_itoa.h>
+
+/* Compute the difference between START and END, storing into DIFF.  */
+#define HP_TIMING_DIFF(Diff, Start, End)	((Diff) = (End) - (Start))
+
+/* Accumulate ADD into SUM.  No attempt is made to be thread-safe.  */
+#define HP_TIMING_ACCUM_NT(Sum, Diff)		((Sum) += (Diff))
+
+/* Write a decimal representation of the timing value into the given string.  */
+#define HP_TIMING_PRINT(Dest, Len, Val) 				\
+  do {									\
+    char __buf[20];							\
+    char *__dest = (Dest);						\
+    size_t __len = (Len);						\
+    char *__cp = _itoa ((Val), __buf + sizeof (__buf), 10, 0);		\
+    size_t __cp_len = MIN (__buf + sizeof (__buf) - __cp, __len);	\
+    memcpy (__dest, __cp, __cp_len);					\
+    memcpy (__dest + __cp_len, " cycles",				\
+	    MIN (__len - __cp_len, sizeof (" cycles")));		\
+    __dest[__len - 1] = '\0';						\
+  } while (0)
diff --git a/sysdeps/generic/hp-timing.h b/sysdeps/generic/hp-timing.h
index 49ddb91046..95c051dd57 100644
--- a/sysdeps/generic/hp-timing.h
+++ b/sysdeps/generic/hp-timing.h
@@ -20,39 +20,9 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-
 /* There are no generic definitions for the times.  We could write something
    using the `gettimeofday' system call where available but the overhead of
-   the system call might be too high.
-
-   In case a platform supports timers in the hardware the following macros
-   and types must be defined:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-
-*/
+   the system call might be too high.  */
 
 /* Provide dummy definitions.  */
 #define HP_TIMING_AVAIL		(0)
diff --git a/sysdeps/i386/i686/hp-timing.h b/sysdeps/i386/i686/hp-timing.h
index 12c613e9de..512efc5bd8 100644
--- a/sysdeps/i386/i686/hp-timing.h
+++ b/sysdeps/i386/i686/hp-timing.h
@@ -20,50 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-
-/* The macros defined here use the timestamp counter in i586 and up versions
-   of the x86 processors.  They provide a very accurate way to measure the
-   time with very little overhead.  The time values themself have no real
-   meaning, only differences are interesting.
-
-   This version is for the i686 processors.  The difference to the i586
-   version is that the timerstamp register is unconditionally used.  This is
-   not the case for the i586 version where we have to perform runtime test
-   whether the processor really has this capability.  We have to make this
-   distinction since the sysdeps/i386/i586 code is supposed to work on all
-   platforms while the i686 already contains i686-specific code.
-
-   The list of macros we need includes the following:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-
-*/
-
 /* We always assume having the timestamp register.  */
 #define HP_TIMING_AVAIL		(1)
 
@@ -80,21 +36,6 @@ typedef unsigned long long int hp_timing_t;
    in accurate clock cycles here so we don't do this.  */
 #define HP_TIMING_NOW(Var)	__asm__ __volatile__ ("rdtsc" : "=A" (Var))
 
-/* It's simple arithmetic for us.  */
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-/* Print the time value.  */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0);		      \
-    size_t __len = (Len);						      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " clock cycles", MIN (__len, sizeof (" clock cycles")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/ia64/hp-timing.h b/sysdeps/ia64/hp-timing.h
index 6b49ffc2eb..3d441ff1ad 100644
--- a/sysdeps/ia64/hp-timing.h
+++ b/sysdeps/ia64/hp-timing.h
@@ -20,44 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-#include <ia64intrin.h>
-
-/* The macros defined here use the timestamp counter in IA-64.  They
-   provide a very accurate way to measure the time with very little
-   overhead.  The time values themself have no real meaning, only
-   differences are interesting.
-
-   The list of macros we need includes the following:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-
-*/
-
 /* We always assume having the timestamp register.  */
 #define HP_TIMING_AVAIL		(1)
 
@@ -81,22 +43,6 @@ typedef unsigned long int hp_timing_t;
      while (REPEAT_READ (__itc));					      \
      Var = __itc; })
 
-/* It's simple arithmetic for us.  */
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-/* Print the time value.  */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa_word (Val, __buf + sizeof (__buf), 10, 0);	      \
-    int __len = (Len);							      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " clock cycles", MIN (__len,			      \
-					  (int) sizeof (" clock cycles")));   \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/powerpc/powerpc32/power4/hp-timing.h b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
index 702efac396..f5237e38d9 100644
--- a/sysdeps/powerpc/powerpc32/power4/hp-timing.h
+++ b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
@@ -20,43 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-#include <atomic.h>
-
-/* The macros defined here use the powerpc 64-bit time base register.
-   The time base is nominally clocked at 1/8th the CPU clock, but this
-   can vary.
-
-   The list of macros we need includes the following:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-
-*/
-
 /* We always assume having the timestamp register.  */
 #define HP_TIMING_AVAIL		(1)
 
@@ -85,21 +48,6 @@ typedef unsigned long long int hp_timing_t;
     Var = ((hp_timing_t) hi << 32) | lo;				\
   } while (0)
 
-/* It's simple arithmetic in 64-bit.  */
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-/* Print the time value.  */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0);		      \
-    size_t __len = (Len);						      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " ticks", MIN (__len, sizeof (" ticks")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/powerpc/powerpc64/hp-timing.h b/sysdeps/powerpc/powerpc64/hp-timing.h
index 7241b9b9d7..d4fcb3d606 100644
--- a/sysdeps/powerpc/powerpc64/hp-timing.h
+++ b/sysdeps/powerpc/powerpc64/hp-timing.h
@@ -20,43 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-#include <atomic.h>
-
-/* The macros defined here use the powerpc 64-bit time base register.
-   The time base is nominally clocked at 1/8th the CPU clock, but this
-   can vary.
-
-   The list of macros we need includes the following:
-
-   - HP_TIMING_AVAIL: test for availability.
-
-   - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
-     implemented using function calls but instead uses some inlined code
-     which might simply consist of a few assembler instructions.  We have to
-     know this since we might want to use the macros here in places where we
-     cannot make function calls.
-
-   - hp_timing_t: This is the type for variables used to store the time
-     values.
-
-   - HP_TIMING_NOW: place timestamp for current time in variable given as
-     parameter.
-
-   - HP_TIMING_DIFF: compute difference between two times and store it
-     in a third.  Source and destination might overlap.
-
-   - HP_TIMING_ACCUM_NT: add time difference to another variable, without
-     being thread-safe.
-
-   - HP_TIMING_PRINT: write decimal representation of the timing value into
-     the given string.  This operation need not be inline even though
-     HP_TIMING_INLINE is specified.
-
-*/
-
 /* We always assume having the timestamp register.  */
 #define HP_TIMING_AVAIL		(1)
 
@@ -77,21 +40,6 @@ typedef unsigned long long int hp_timing_t;
 #define HP_TIMING_NOW(Var)	__asm__ __volatile__ ("mftb %0" : "=r" (Var))
 #endif
 
-/* It's simple arithmetic in 64-bit.  */
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-/* Print the time value.  */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0);		      \
-    size_t __len = (Len);						      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " ticks", MIN (__len, sizeof (" ticks")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/sparc/sparc32/sparcv9/hp-timing.h b/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
index 3f63ce68d3..4d9188f4e0 100644
--- a/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
+++ b/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
@@ -20,10 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-
 #define HP_TIMING_AVAIL		(1)
 #define HP_TIMING_INLINE	(1)
 
@@ -34,19 +30,6 @@ typedef unsigned long long int hp_timing_t;
 			    "srlx %L0, 32, %H0" \
 			    : "=r" (Var))
 
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0);		      \
-    int __len = (Len);							      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " clock cycles", MIN (__len, sizeof (" clock cycles")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/sparc/sparc64/hp-timing.h b/sysdeps/sparc/sparc64/hp-timing.h
index 521f64ec43..ea3ba9b780 100644
--- a/sysdeps/sparc/sparc64/hp-timing.h
+++ b/sysdeps/sparc/sparc64/hp-timing.h
@@ -20,10 +20,6 @@
 #ifndef _HP_TIMING_H
 #define _HP_TIMING_H	1
 
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-
 #define HP_TIMING_AVAIL		(1)
 #define HP_TIMING_INLINE	(1)
 
@@ -31,19 +27,6 @@ typedef unsigned long int hp_timing_t;
 
 #define HP_TIMING_NOW(Var) __asm__ __volatile__ ("rd %%tick, %0" : "=r" (Var))
 
-#define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
-
-#define HP_TIMING_PRINT(Buf, Len, Val) \
-  do {									      \
-    char __buf[20];							      \
-    char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0);		      \
-    int __len = (Len);							      \
-    char *__dest = (Buf);						      \
-    while (__len-- > 0 && __cp < __buf + sizeof (__buf))		      \
-      *__dest++ = *__cp++;						      \
-    memcpy (__dest, " clock cycles", MIN (__len, sizeof (" clock cycles")));  \
-  } while (0)
+#include <hp-timing-common.h>
 
 #endif	/* hp-timing.h */
diff --git a/sysdeps/x86_64/hp-timing.h b/sysdeps/x86_64/hp-timing.h
index e132dacab6..89501fc3f4 100644
--- a/sysdeps/x86_64/hp-timing.h
+++ b/sysdeps/x86_64/hp-timing.h
@@ -17,15 +17,23 @@
    <http://www.gnu.org/licenses/>.  */
 
 #ifndef _HP_TIMING_H
+#define _HP_TIMING_H	1
 
-/* We can use some of the i686 implementation without changes.  */
-# include <sysdeps/i386/i686/hp-timing.h>
+/* We always assume having the timestamp register.  */
+#define HP_TIMING_AVAIL		(1)
+
+/* We indeed have inlined functions.  */
+#define HP_TIMING_INLINE	(1)
+
+/* We use 64bit values for the times.  */
+typedef unsigned long long int hp_timing_t;
 
 /* The "=A" constraint used in 32-bit mode does not work in 64-bit mode.  */
-# undef HP_TIMING_NOW
-# define HP_TIMING_NOW(Var) \
+#define HP_TIMING_NOW(Var) \
   ({ unsigned int _hi, _lo; \
      asm volatile ("rdtsc" : "=a" (_lo), "=d" (_hi)); \
      (Var) = ((unsigned long long int) _hi << 32) | _lo; })
 
+#include <hp-timing-common.h>
+
 #endif /* hp-timing.h */