1 files changed, 107 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/asm-leon/leon3.h b/libgloss/sparc_leon/asm-leon/leon3.h
new file mode 100644
index 000000000..e8b6cfee5
--- /dev/null
+++ b/libgloss/sparc_leon/asm-leon/leon3.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2011 Aeroflex Gaisler
+ *
+ * BSD license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef _INCLUDE_LEON3_h
+#define _INCLUDE_LEON3_h
+
+#ifndef __ASSEMBLER__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define ASI_LEON3_CACHEMISS 1
+#define ASI_LEON3_SYSCTRL   0x02
+#define ASI_LEON3_DFLUSH    0x11
+
+#define ASI_LEON3_SYSCTRL_ICFG		0x08
+#define ASI_LEON3_SYSCTRL_DCFG		0x0c
+#define ASI_LEON3_SYSCTRL_CFG_SNOOPING (1<<27)
+#define ASI_LEON3_SYSCTRL_CFG_SSIZE(c) (1<<((c>>20)&0xf))
+
+
+  extern __inline__ unsigned long sparc_leon23_get_psr (void)
+  {
+    unsigned int retval;
+    __asm__ __volatile__ ("rd %%psr, %0\n\t":"=r" (retval):);
+      return (retval);
+  }
+
+  extern __inline__ unsigned long sparc_leon23_get_psr_version (void)
+  {
+    unsigned int psr = sparc_leon23_get_psr ();
+    return (psr >> 24) & 0xf;
+  }
+#define LEON_ISLEON2 (sparc_leon23_get_psr_version() == 2 || sparc_leon23_get_psr_version() == 0)
+#define LEON_ISLEON3 (sparc_leon23_get_psr_version() == 3)
+
+  extern __inline__ unsigned long sparc_leon3_get_dcachecfg (void)
+  {
+    unsigned int retval;
+    __asm__
+      __volatile__ ("lda [%1] %2, %0\n\t":"=r" (retval):"r"
+		    (ASI_LEON3_SYSCTRL_DCFG), "i" (ASI_LEON3_SYSCTRL));
+    return (retval);
+  }
+
+  extern __inline__ void sparc_leon3_enable_snooping (void)
+  {
+    /*enable snooping */
+    __asm__ volatile ("lda [%%g0] 2, %%l1\n\t"
+		      "set 0x800000, %%l2\n\t"
+		      "or  %%l2, %%l1, %%l2\n\t"
+		      "sta %%l2, [%%g0] 2\n\t":::"l1", "l2");
+  };
+
+  extern __inline__ void sparc_leon3_disable_cache (void)
+  {
+    /*asi 2 */
+    __asm__ volatile ("lda [%%g0] 2, %%l1\n\t"
+		      "set 0x00000f, %%l2\n\t"
+		      "andn  %%l2, %%l1, %%l2\n\t"
+		      "sta %%l2, [%%g0] 2\n\t":::"l1", "l2");
+  };
+
+
+
+  extern __inline__ void sparc_leon3_dcache_flush (void)
+  {
+    __asm__ __volatile__ (" flush ");	//iflush 
+    __asm__
+      __volatile__ ("sta %%g0, [%%g0] %0\n\t"::"i"
+		    (ASI_LEON3_DFLUSH):"memory");
+  };
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !ASM */
+
+
+#endif /* !_INCLUDE_LEON3_h */
+/* end of include file */