Move MIPS specific CPU detection to its own file, pixman-mips.c

4 files changed, 115 insertions, 76 deletions

diff --git a/pixman/Makefile.sources b/pixman/Makefile.sources
index 414ac029..73758ffb 100644
--- a/pixman/Makefile.sources
+++ b/pixman/Makefile.sources
@@ -8,6 +8,7 @@ libpixman_sources =			\
 	pixman-conical-gradient.c	\
 	pixman-cpu.c			\
 	pixman-x86.c			\
+	pixman-mips.c			\
 	pixman-arm.c			\
 	pixman-ppc.c			\
 	pixman-edge.c			\
diff --git a/pixman/pixman-cpu.c b/pixman/pixman-cpu.c
index 914f1165..5cef480e 100644
--- a/pixman/pixman-cpu.c
+++ b/pixman/pixman-cpu.c
@@ -22,76 +22,10 @@
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
-
-#include <string.h>
 #include <stdlib.h>
 
 #include "pixman-private.h"
 
-#if defined(USE_MIPS_DSPR2) || defined(USE_LOONGSON_MMI)
-
-#if defined (__linux__) /* linux ELF */
-
-static pixman_bool_t
-pixman_have_mips_feature (const char *search_string)
-{
-    const char *file_name = "/proc/cpuinfo";
-    /* Simple detection of MIPS features at runtime for Linux.
-     * It is based on /proc/cpuinfo, which reveals hardware configuration
-     * to user-space applications.  According to MIPS (early 2010), no similar
-     * facility is universally available on the MIPS architectures, so it's up
-     * to individual OSes to provide such.
-     */
-
-    char cpuinfo_line[256];
-
-    FILE *f = NULL;
-
-    if ((f = fopen (file_name, "r")) == NULL)
-        return FALSE;
-
-    while (fgets (cpuinfo_line, sizeof (cpuinfo_line), f) != NULL)
-    {
-        if (strstr (cpuinfo_line, search_string) != NULL)
-        {
-            fclose (f);
-            return TRUE;
-        }
-    }
-
-    fclose (f);
-
-    /* Did not find string in the proc file. */
-    return FALSE;
-}
-
-#if defined(USE_MIPS_DSPR2)
-pixman_bool_t
-pixman_have_mips_dspr2 (void)
-{
-     /* Only currently available MIPS core that supports DSPr2 is 74K. */
-    return pixman_have_mips_feature ("MIPS 74K");
-}
-#endif
-
-#if defined(USE_LOONGSON_MMI)
-pixman_bool_t
-pixman_have_loongson_mmi (void)
-{
-    /* I really don't know if some Loongson CPUs don't have MMI. */
-    return pixman_have_mips_feature ("Loongson");
-}
-#endif
-
-#else /* linux ELF */
-
-#define pixman_have_mips_dspr2() FALSE
-#define pixman_have_loongson_mmi() FALSE
-
-#endif /* linux ELF */
-
-#endif /* USE_MIPS_DSPR2 || USE_LOONGSON_MMI */
-
 pixman_bool_t
 _pixman_disabled (const char *name)
 {
@@ -136,16 +70,7 @@ _pixman_choose_implementation (void)
     imp = _pixman_x86_get_implementations (imp);
     imp = _pixman_arm_get_implementations (imp);
     imp = _pixman_ppc_get_implementations (imp);
-    
-#ifdef USE_LOONGSON_MMI
-    if (!_pixman_disabled ("loongson-mmi") && pixman_have_loongson_mmi ())
-	imp = _pixman_implementation_create_mmx (imp);
-#endif
-
-#ifdef USE_MIPS_DSPR2
-    if (!_pixman_disabled ("mips-dspr2") && pixman_have_mips_dspr2 ())
-	imp = _pixman_implementation_create_mips_dspr2 (imp);
-#endif
+    imp = _pixman_mips_get_implementations (imp);
 
     imp = _pixman_implementation_create_noop (imp);
 
diff --git a/pixman/pixman-mips.c b/pixman/pixman-mips.c
new file mode 100644
index 00000000..9d3ee591
--- /dev/null
+++ b/pixman/pixman-mips.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2000 SuSE, Inc.
+ * Copyright © 2007 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  SuSE makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pixman-private.h"
+
+#if defined(USE_MIPS_DSPR2) || defined(USE_LOONGSON_MMI)
+
+#include <string.h>
+#include <stdlib.h>
+
+#if defined (__linux__) /* linux ELF */
+
+static pixman_bool_t
+pixman_have_mips_feature (const char *search_string)
+{
+    const char *file_name = "/proc/cpuinfo";
+    /* Simple detection of MIPS features at runtime for Linux.
+     * It is based on /proc/cpuinfo, which reveals hardware configuration
+     * to user-space applications.  According to MIPS (early 2010), no similar
+     * facility is universally available on the MIPS architectures, so it's up
+     * to individual OSes to provide such.
+     */
+
+    char cpuinfo_line[256];
+
+    FILE *f = NULL;
+
+    if ((f = fopen (file_name, "r")) == NULL)
+        return FALSE;
+
+    while (fgets (cpuinfo_line, sizeof (cpuinfo_line), f) != NULL)
+    {
+        if (strstr (cpuinfo_line, search_string) != NULL)
+        {
+            fclose (f);
+            return TRUE;
+        }
+    }
+
+    fclose (f);
+
+    /* Did not find string in the proc file. */
+    return FALSE;
+}
+
+#if defined(USE_MIPS_DSPR2)
+pixman_bool_t
+pixman_have_mips_dspr2 (void)
+{
+     /* Only currently available MIPS core that supports DSPr2 is 74K. */
+    return pixman_have_mips_feature ("MIPS 74K");
+}
+#endif
+
+#if defined(USE_LOONGSON_MMI)
+pixman_bool_t
+pixman_have_loongson_mmi (void)
+{
+    /* I really don't know if some Loongson CPUs don't have MMI. */
+    return pixman_have_mips_feature ("Loongson");
+}
+#endif
+
+#else /* linux ELF */
+
+#define pixman_have_mips_dspr2() FALSE
+#define pixman_have_loongson_mmi() FALSE
+
+#endif /* linux ELF */
+
+#endif /* USE_MIPS_DSPR2 || USE_LOONGSON_MMI */
+
+pixman_implementation_t *
+_pixman_mips_get_implementations (pixman_implementation_t *imp)
+{
+#ifdef USE_LOONGSON_MMI
+    if (!_pixman_disabled ("loongson-mmi") && pixman_have_loongson_mmi ())
+	imp = _pixman_implementation_create_mmx (imp);
+#endif
+
+#ifdef USE_MIPS_DSPR2
+    if (!_pixman_disabled ("mips-dspr2") && pixman_have_mips_dspr2 ())
+	imp = _pixman_implementation_create_mips_dspr2 (imp);
+#endif
+
+    return imp;
+}
+
diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h
index 5e5b8835..4d8f64d3 100644
--- a/pixman/pixman-private.h
+++ b/pixman/pixman-private.h
@@ -598,6 +598,9 @@ pixman_implementation_t *
 _pixman_ppc_get_implementations (pixman_implementation_t *imp);
 
 pixman_implementation_t *
+_pixman_mips_get_implementations (pixman_implementation_t *imp);
+
+pixman_implementation_t *
 _pixman_choose_implementation (void);
 
 pixman_bool_t