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authorJulius Werner <jwerner@chromium.org>2013-12-12 20:24:48 -0800
committerIsaac Christensen <isaac.christensen@se-eng.com>2014-09-22 18:46:57 +0200
commit64b9ca9d4eb5eccdea86d967220c67b503a4519b (patch)
treebbe6ca5da122aced6f6a6db22634c76027f34e71 /src/arch/arm/include
parent406bad127bf7ac7da25261a30d239751b24e22af (diff)
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arm: Move libgcc assembly macros to arch/asm.h
libgcc/macros.h contains some useful assembly macros that are common in Linux kernel code and facilitate things such as unified ARM/THUMB assembly. This patch moves it to a more general place where it can be used by other code as well. Change-Id: If68e8930aaafa706c54cf9a156fac826b31bb193 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/182178 Reviewed-by: Vincent Palatin <vpalatin@chromium.org> (cherry picked from commit a780670def94a969829811fa8cf257f12b88f085) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6917 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/arch/arm/include')
-rw-r--r--src/arch/arm/include/arch/asm.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/arch/arm/include/arch/asm.h b/src/arch/arm/include/arch/asm.h
new file mode 100644
index 000000000..1c3f7a21c
--- /dev/null
+++ b/src/arch/arm/include/arch/asm.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2013 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __ARM_ASM_H
+#define __ARM_ASM_H
+
+#if defined __arm__
+# define ARM(x...) x
+# define THUMB(x...)
+#elif defined __thumb__
+# define ARM(x...)
+# define THUMB(x...) x
+#else
+# error Not in ARM or thumb mode!
+#endif
+
+#define ALIGN .align 0
+
+#define ENDPROC(name) \
+ .type name, %function; \
+ END(name)
+
+#define ENTRY(name) \
+ .globl name; \
+ ALIGN; \
+ name:
+
+#define END(name) \
+ .size name, .-name
+
+#endif /* __ARM_ASM_H */