Added support for SPARC.

From: shamir rabinovitch <[email protected]>

Change-Id: Ide7735ea6c51bfcab097c8809831133a316b55df
Signed-off-by: Gil Rockah <[email protected]>

Author: gilr8

README_sparc

@@ -0,0 +1,42 @@
+=======================================
+Build instructions:
+=======================================
+
+# ./autogen.sh
+
+# ./configure --build= --host=sparc64-redhat-linux-gnu
+--target=sparc64-linux --program-prefix= --prefix=/usr
+--exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
+--sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include
+--libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var
+--sharedstatedir=/var/lib --mandir=/usr/share/man
+--infodir=/usr/share/info
+
+# make clean && make V=1
+
+
+=======================================
+RPM queries:
+=======================================
+
+# rpm --eval %{_target}
+sparc64-linux
+
+# rpm --eval %{_host}
+sparc64-redhat-linux-gnu
+
+
+=======================================
+GCC queries:
+=======================================
+
+Get all the gcc definitions for the platform:
+
+# gcc -E -dM - < /dev/null
+...
+#define __sparc__ 1
+...
+#define __arch64__ 1
+...
+
+

configure.ac

@@ -22,6 +22,7 @@ AC_SUBST(MAJOR_VERSION)
 AC_SUBST(MINOR_VERSION)
 
 AC_ARG_VAR(CUDA_H_PATH, help-string)
+AC_ARG_VAR(RANLIB, ranlib tool)
 
 AC_ARG_ENABLE([verbs_exp],
 [AS_HELP_STRING([--disable-verbs_exp],
@@ -37,6 +38,7 @@ AC_PROG_CXX
 AM_PROG_AS
 AC_PROG_INSTALL
 AC_PROG_LIBTOOL
+AC_PROG_RANLIB
 AC_HEADER_STDC
 AC_CHECK_HEADERS([infiniband/verbs.h],,[AC_MSG_ERROR([ibverbs header files not found])])
 AC_CHECK_LIB([ibverbs], [ibv_get_device_list], [], [AC_MSG_ERROR([libibverbs not found])])

src/get_clock.c

@@ -44,6 +44,7 @@
 
 #include <unistd.h>
 #include <stdio.h>
+#include <string.h>
 #include "get_clock.h"
 
 #ifndef DEBUG
@@ -154,6 +155,23 @@ static double proc_get_cpu_mhz(int no_cpu_freq_fail)
 #elif defined (__PPC__) || defined (__PPC64__)
 		/* PPC has a different format as well */
 		rc = sscanf(buf, "clock : %lf", &m);
+#elif defined (__sparc__) && defined (__arch64__)
+		/*
+		* on sparc the /proc/cpuinfo lines that hold
+		* the cpu freq in HZ are as follow:
+		* Cpu{cpu-num}ClkTck      : 00000000a9beeee4
+		*/
+		int i;
+		char *s;
+		unsigned val;
+
+		s = strstr(buf, "ClkTck\t: ");
+		if (!s)
+			continue;
+		s += (strlen("ClkTck\t: ") - strlen("0x"));
+		strncpy(s, "0x", strlen("0x"));
+		rc = sscanf(s, "%x", &val);
+		m = val/1000000;
 #else
 		rc = sscanf(buf, "cpu MHz : %lf", &m);
 #endif

src/get_clock.h

@@ -78,6 +78,13 @@ static inline cycles_t get_cycles(void)
        asm volatile("stck %0" : "=Q" (clk) : : "cc");
        return clk >> 2;
 }
+#elif defined(__sparc__) && defined(__arch64__)
+typedef unsigned long long cycles_t;
+cycles_t; static inline cycles_t get_cycles(void) {
+	cycles_t v;
+	asm volatile ("rd %%tick, %0" : "=r" (v) : );
+	return v;
+}
 #elif defined(__aarch64__)
 
 typedef unsigned long cycles_t;

src/perftest_parameters.c

@@ -107,7 +107,14 @@ static int get_cache_line_size()
 	int size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
 	if (size == 0)
 	{
-		char* file_name = "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size";
+		#if defined(__sparc__) && defined(__arch64__)
+		char* file_name =
+			"/sys/devices/system/cpu/cpu0/l2_cache_line_size";
+		#else
+		char* file_name =
+			"/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size";
+		#endif
+
 		FILE *fp;
 		char line[10];
 		fp = fopen(file_name, "r");      //open file , read only