Merge branch 'upstream'

1 files changed, 98 insertions, 0 deletions

diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h
new file mode 100755
index 0000000..f10f89c
--- /dev/null
+++ b/include/asm-microblaze/asm.h
@@ -0,0 +1,98 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ *
+ * Michal  SIMEK <monstr@monstr.eu>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* FSL macros */
+#define NGET(val, fslnum) \
+	__asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val));
+
+#define GET(val, fslnum) \
+	__asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val));
+
+#define NCGET(val, fslnum) \
+	__asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val));
+
+#define CGET(val, fslnum) \
+	__asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val));
+
+#define NPUT(val, fslnum) \
+	__asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val));
+
+#define PUT(val, fslnum) \
+	__asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val));
+
+#define NCPUT(val, fslnum) \
+	__asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val));
+
+#define CPUT(val, fslnum) \
+	__asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val));
+
+/* CPU dependent */
+/* machine status register */
+#define MFS(val, reg) \
+	__asm__ __volatile__ ("mfs %0," #reg :"=r" (val));
+
+#define MTS(val, reg) \
+	__asm__ __volatile__ ("mts " #reg ", %0"::"r" (val));
+
+/* get return address from interrupt */
+#define R14(val) \
+	__asm__ __volatile__ ("addi %0, r14, 0":"=r" (val));
+
+#define NOP	__asm__ __volatile__ ("nop");
+
+/* use machine status registe USE_MSR_REG */
+#ifdef XILINX_USE_MSR_INSTR
+#define MSRSET(val) \
+	__asm__ __volatile__ ("msrset r0," #val );
+
+#define MSRCLR(val) \
+	__asm__ __volatile__ ("msrclr r0," #val );
+
+#else
+#define MSRSET(val)						\
+{								\
+	register unsigned tmp;					\
+	__asm__ __volatile__ ("					\
+			mfs 	%0, rmsr;			\
+			ori	%0, %0, "#val";			\
+			mts	rmsr, %0;			\
+			nop;"					\
+			: "=r" (tmp)				\
+			: "d" (val)				\
+			: "memory");				\
+}
+
+#define MSRCLR(val)						\
+{								\
+	register unsigned tmp;					\
+	__asm__ __volatile__ ("					\
+			mfs 	%0, rmsr;			\
+			andi	%0, %0, ~"#val";		\
+			mts	rmsr, %0;			\
+			nop;"					\
+			: "=r" (tmp)				\
+			: "d" (val)				\
+			: "memory");				\
+}
+#endif