summaryrefslogtreecommitdiff
path: root/arch/microblaze/include/asm/asm.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/microblaze/include/asm/asm.h')
-rw-r--r--arch/microblaze/include/asm/asm.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/asm.h b/arch/microblaze/include/asm/asm.h
new file mode 100644
index 0000000..deb23e0
--- /dev/null
+++ b/arch/microblaze/include/asm/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