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Diffstat (limited to 'arch/arm/include/asm/assembler.h')
-rw-r--r--arch/arm/include/asm/assembler.h33
1 files changed, 28 insertions, 5 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 5e4789b145..11b80fb190 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -14,12 +14,14 @@
* assembler source.
*/
+#include <config.h>
+
/*
* Endian independent macros for shifting bytes within registers.
*/
#ifndef __ARMEB__
-#define pull lsr
-#define push lsl
+#define lspull lsr
+#define lspush lsl
#define get_byte_0 lsl #0
#define get_byte_1 lsr #8
#define get_byte_2 lsr #16
@@ -29,8 +31,8 @@
#define put_byte_2 lsl #16
#define put_byte_3 lsl #24
#else
-#define pull lsl
-#define push lsr
+#define lspull lsl
+#define lspush lsr
#define get_byte_0 lsr #24
#define get_byte_1 lsr #16
#define get_byte_2 lsr #8
@@ -54,7 +56,28 @@
#define PLD(code...)
#endif
+ .irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
+ .macro ret\c, reg
+#if defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__)
+ mov\c pc, \reg
+#else
+ .ifeqs "\reg", "lr"
+ bx\c \reg
+ .else
+ mov\c pc, \reg
+ .endif
+#endif
+ .endm
+ .endr
+
/*
- * Cache alligned
+ * Cache aligned, used for optimized memcpy/memset
+ * In the kernel this is only enabled for Feroceon CPU's...
+ * We disable it especially for Thumb builds since those instructions
+ * are not made in a Thumb ready way...
*/
+#ifdef CONFIG_SYS_THUMB_BUILD
+#define CALGN(code...)
+#else
#define CALGN(code...) code
+#endif