Rearrange assembly helper macros

This patch moves assembler macros which are not architecture specific
to a new file `asm_macros_common.S` and moves the `el3_common_macros.S`
into `aarch64` specific folder.

Change-Id: I444a1ee3346597bf26a8b827480cd9640b38c826

3 files changed, 112 insertions, 75 deletions

diff --git a/include/common/aarch64/asm_macros.S b/include/common/aarch64/asm_macros.S
index e7669899..cc8f4243 100644
--- a/include/common/aarch64/asm_macros.S
+++ b/include/common/aarch64/asm_macros.S
@@ -31,6 +31,7 @@
 #define __ASM_MACROS_S__
 
 #include <arch.h>
+#include <asm_macros_common.S>
 
 
 	.macro	func_prologue
@@ -104,81 +105,6 @@
 	  .endif
 	.endm
 
-	/*
-	 * This macro is used to create a function label and place the
-	 * code into a separate text section based on the function name
-	 * to enable elimination of unused code during linking
-	 */
-	.macro func _name
-	.section .text.\_name, "ax"
-	.type \_name, %function
-	.func \_name
-	\_name:
-	.endm
-
-	/*
-	 * This macro is used to mark the end of a function.
-	 */
-	.macro endfunc _name
-	.endfunc
-	.size \_name, . - \_name
-	.endm
-
-	/*
-	 * Theses macros are used to create function labels for deprecated
-	 * APIs. If ERROR_DEPRECATED is non zero, the callers of these APIs
-	 * will fail to link and cause build failure.
-	 */
-#if ERROR_DEPRECATED
-	.macro func_deprecated _name
-	func deprecated\_name
-	.endm
-
-	.macro endfunc_deprecated _name
-	endfunc deprecated\_name
-	.endm
-#else
-	.macro func_deprecated _name
-	func \_name
-	.endm
-
-	.macro endfunc_deprecated _name
-	endfunc \_name
-	.endm
-#endif
-
-	/*
-	 * Helper assembler macro to count trailing zeros. The output is
-	 * populated in the `TZ_COUNT` symbol.
-	 */
-	.macro count_tz _value, _tz_count
-	.if \_value
-	  count_tz "(\_value >> 1)", "(\_tz_count + 1)"
-	.else
-	  .equ TZ_COUNT, (\_tz_count - 1)
-	.endif
-	.endm
-
-	/*
-	 * This macro declares an array of 1 or more stacks, properly
-	 * aligned and in the requested section
-	 */
-#define DEFAULT_STACK_ALIGN	(1 << 6)   /* In case the caller doesnt provide alignment */
-
-	.macro declare_stack _name, _section, _size, _count, _align=DEFAULT_STACK_ALIGN
-	count_tz \_align, 0
-	.if (\_align - (1 << TZ_COUNT))
-	  .error "Incorrect stack alignment specified (Must be a power of 2)."
-	.endif
-	.if ((\_size & ((1 << TZ_COUNT) - 1)) <> 0)
-	  .error "Stack size not correctly aligned"
-	.endif
-	.section    \_section, "aw", %nobits
-	.align TZ_COUNT
-	\_name:
-	.space ((\_count) * (\_size)), 0
-	.endm
-
 #if ENABLE_PLAT_COMPAT
 	/*
 	 * This macro calculates the base address of an MP stack using the
diff --git a/include/common/el3_common_macros.S b/include/common/aarch64/el3_common_macros.S
index 9b22a734..9b22a734 100644
--- a/include/common/el3_common_macros.S
+++ b/include/common/aarch64/el3_common_macros.S
diff --git a/include/common/asm_macros_common.S b/include/common/asm_macros_common.S
new file mode 100644
index 00000000..ee59a939
--- /dev/null
+++ b/include/common/asm_macros_common.S
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __ASM_MACROS_COMMON_S__
+#define __ASM_MACROS_COMMON_S__
+
+#include <arch.h>
+
+	/*
+	 * This macro is used to create a function label and place the
+	 * code into a separate text section based on the function name
+	 * to enable elimination of unused code during linking
+	 */
+	.macro func _name
+	.section .text.\_name, "ax"
+	.type \_name, %function
+	.func \_name
+	\_name:
+	.endm
+
+	/*
+	 * This macro is used to mark the end of a function.
+	 */
+	.macro endfunc _name
+	.endfunc
+	.size \_name, . - \_name
+	.endm
+
+	/*
+	 * Theses macros are used to create function labels for deprecated
+	 * APIs. If ERROR_DEPRECATED is non zero, the callers of these APIs
+	 * will fail to link and cause build failure.
+	 */
+#if ERROR_DEPRECATED
+	.macro func_deprecated _name
+	func deprecated\_name
+	.endm
+
+	.macro endfunc_deprecated _name
+	endfunc deprecated\_name
+	.endm
+#else
+	.macro func_deprecated _name
+	func \_name
+	.endm
+
+	.macro endfunc_deprecated _name
+	endfunc \_name
+	.endm
+#endif
+
+	/*
+	 * Helper assembler macro to count trailing zeros. The output is
+	 * populated in the `TZ_COUNT` symbol.
+	 */
+	.macro count_tz _value, _tz_count
+	.if \_value
+	  count_tz "(\_value >> 1)", "(\_tz_count + 1)"
+	.else
+	  .equ TZ_COUNT, (\_tz_count - 1)
+	.endif
+	.endm
+
+	/*
+	 * This macro declares an array of 1 or more stacks, properly
+	 * aligned and in the requested section
+	 */
+#define DEFAULT_STACK_ALIGN	(1 << 6)   /* In case the caller doesnt provide alignment */
+
+	.macro declare_stack _name, _section, _size, _count, _align=DEFAULT_STACK_ALIGN
+	count_tz \_align, 0
+	.if (\_align - (1 << TZ_COUNT))
+	  .error "Incorrect stack alignment specified (Must be a power of 2)."
+	.endif
+	.if ((\_size & ((1 << TZ_COUNT) - 1)) <> 0)
+	  .error "Stack size not correctly aligned"
+	.endif
+	.section    \_section, "aw", %nobits
+	.align TZ_COUNT
+	\_name:
+	.space ((\_count) * (\_size)), 0
+	.endm
+
+
+#endif /* __ASM_MACROS_COMMON_S__ */