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-rw-r--r--src/timer/cpu_counter/modinfo.txt31
-rw-r--r--src/timer/cpu_counter/tm_hard.cpp49
-rw-r--r--src/timer/cpu_counter/tm_hard.h24
3 files changed, 104 insertions, 0 deletions
diff --git a/src/timer/cpu_counter/modinfo.txt b/src/timer/cpu_counter/modinfo.txt
new file mode 100644
index 000000000..d5583c0d7
--- /dev/null
+++ b/src/timer/cpu_counter/modinfo.txt
@@ -0,0 +1,31 @@
+realname "Hardware Timer"
+
+define TIMER_HARDWARE
+
+load_on asm_ok
+
+<add>
+tm_hard.cpp
+tm_hard.h
+</add>
+
+<cc>
+gcc
+</cc>
+
+<arch>
+# RDTSC: Pentium and up
+i586
+i686
+athlon
+pentium4
+amd64
+
+ppc # PPC timebase register
+ppc64 # PPC timebase register
+alpha # rpcc
+sparc64 # %tick register
+ia64 # ar.itc
+s390x
+hppa
+</arch>
diff --git a/src/timer/cpu_counter/tm_hard.cpp b/src/timer/cpu_counter/tm_hard.cpp
new file mode 100644
index 000000000..2f7516930
--- /dev/null
+++ b/src/timer/cpu_counter/tm_hard.cpp
@@ -0,0 +1,49 @@
+/*************************************************
+* Hardware Timer Source File *
+* (C) 1999-2007 Jack Lloyd *
+*************************************************/
+
+#include <botan/tm_hard.h>
+
+namespace Botan {
+
+/*************************************************
+* Get the timestamp *
+*************************************************/
+u64bit Hardware_Timer::clock() const
+ {
+ u64bit rtc = 0;
+
+#if defined(BOTAN_TARGET_ARCH_IS_IA32) || defined(BOTAN_TARGET_ARCH_IS_AMD64)
+ u32bit rtc_low = 0, rtc_high = 0;
+ asm volatile("rdtsc" : "=d" (rtc_high), "=a" (rtc_low));
+ rtc = (static_cast<u64bit>(rtc_high) << 32) | rtc_low;
+
+#elif defined(BOTAN_TARGET_ARCH_IS_PPC) || defined(BOTAN_TARGET_ARCH_IS_PPC64)
+ u32bit rtc_low = 0, rtc_high = 0;
+ asm volatile("mftbu %0; mftb %1" : "=r" (rtc_high), "=r" (rtc_low));
+ rtc = (static_cast<u64bit>(rtc_high) << 32) | rtc_low;
+
+#elif defined(BOTAN_TARGET_ARCH_IS_ALPHA)
+ asm volatile("rpcc %0" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_SPARC64)
+ asm volatile("rd %%tick, %0" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_IA64)
+ asm volatile("mov %0=ar.itc" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_S390X)
+ asm volatile("stck 0(%0)" : : "a" (&rtc) : "memory", "cc");
+
+#elif defined(BOTAN_TARGET_ARCH_IS_HPPA)
+ asm volatile("mfctl 16,%0" : "=r" (rtc)); // 64-bit only?
+
+#else
+ #error "Unsure how to access hardware timer on this system"
+#endif
+
+ return rtc;
+ }
+
+}
diff --git a/src/timer/cpu_counter/tm_hard.h b/src/timer/cpu_counter/tm_hard.h
new file mode 100644
index 000000000..678513f81
--- /dev/null
+++ b/src/timer/cpu_counter/tm_hard.h
@@ -0,0 +1,24 @@
+/*************************************************
+* Hardware Timer Header File *
+* (C) 1999-2007 Jack Lloyd *
+*************************************************/
+
+#ifndef BOTAN_TIMER_HARDWARE_H__
+#define BOTAN_TIMER_HARDWARE_H__
+
+#include <botan/timers.h>
+
+namespace Botan {
+
+/*************************************************
+* Hardware Timer *
+*************************************************/
+class Hardware_Timer : public Timer
+ {
+ public:
+ u64bit clock() const;
+ };
+
+}
+
+#endif