--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/liboilcpu-arm.c Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,165 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <liboil/liboilfunction.h>
+#include <liboil/liboildebug.h>
+#include <liboil/liboilcpu.h>
+#include <liboil/liboilfault.h>
+#include <liboil/liboilutils.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <time.h>
+
+/***** arm *****/
+
+//#ifdef __arm__
+#if 0
+static unsigned long
+oil_profile_stamp_xscale(void)
+{
+ unsigned int ts;
+ __asm__ __volatile__ (
+ " mrc p14, 0, %0, c1, c0, 0 \n"
+ : "=r" (ts));
+ return ts;
+}
+#endif
+
+static void
+oil_cpu_arm_getflags_cpuinfo (char *cpuinfo)
+{
+ char *cpuinfo_flags;
+ char **flags;
+ char **f;
+
+ cpuinfo_flags = get_cpuinfo_line(cpuinfo, "Features");
+ if (cpuinfo_flags == NULL) {
+ free (cpuinfo);
+ return;
+ }
+
+ flags = strsplit(cpuinfo_flags);
+ for (f = flags; *f; f++) {
+ if (strcmp (*f, "edsp") == 0) {
+ OIL_DEBUG ("cpu feature %s", *f);
+ oil_cpu_flags |= OIL_IMPL_FLAG_EDSP;
+ }
+ if (strcmp (*f, "vfp") == 0) {
+ OIL_DEBUG ("cpu feature %s", *f);
+ oil_cpu_flags |= OIL_IMPL_FLAG_VFP;
+ }
+
+ free (*f);
+ }
+ free (flags);
+ free (cpuinfo_flags);
+}
+
+static char *
+get_proc_cpuinfo (void)
+{
+ char *cpuinfo;
+ int fd;
+ int n;
+
+ cpuinfo = malloc(4096);
+ if (cpuinfo == NULL) return NULL;
+
+ fd = open("/proc/cpuinfo", O_RDONLY);
+ if (fd < 0) {
+ free (cpuinfo);
+ return NULL;
+ }
+
+ n = read(fd, cpuinfo, 4095);
+ if (n < 0) {
+ free (cpuinfo);
+ close (fd);
+ return NULL;
+ }
+ cpuinfo[n] = 0;
+
+ close (fd);
+
+ return cpuinfo;
+}
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+void
+oil_cpu_detect_arch(void)
+{
+#ifdef __linux__
+ int arm_implementer = 0;
+ int arm_arch;
+ char *cpuinfo;
+ char *s;
+
+ cpuinfo = get_proc_cpuinfo();
+ if (cpuinfo == NULL) return;
+
+ s = get_cpuinfo_line(cpuinfo, "CPU implementer");
+ if (s) {
+ arm_implementer = strtoul (s, NULL, 0);
+ free(s);
+ }
+
+ switch(arm_implementer) {
+ case 0x69: /* Intel */
+ case 0x41: /* ARM */
+ /* ARM chips are known to not have timestamping available from
+ * user space */
+ break;
+ default:
+ break;
+ }
+
+ s = get_cpuinfo_line(cpuinfo, "CPU architecture");
+ if (s) {
+ arm_arch = strtoul (s, NULL, 0);
+ if (arm_arch >= 6)
+ oil_cpu_flags |= OIL_IMPL_FLAG_ARM6;
+ free(s);
+ }
+
+ oil_cpu_arm_getflags_cpuinfo (cpuinfo);
+ free (cpuinfo);
+#endif
+}
+//#endif
+
+