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-rw-r--r--arch/arm/kernel/debug.S26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index 204e2160cfcc..c45522c36787 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -10,6 +10,7 @@
* 32-bit debugging code
*/
#include <linux/linkage.h>
+#include <asm/assembler.h>
.text
@@ -100,7 +101,7 @@
#endif /* CONFIG_CPU_V6 */
-#else
+#elif !defined(CONFIG_DEBUG_SEMIHOSTING)
#include <mach/debug-macro.S>
#endif /* CONFIG_DEBUG_ICEDCC */
@@ -155,6 +156,8 @@ hexbuf: .space 16
.ltorg
+#ifndef CONFIG_DEBUG_SEMIHOSTING
+
ENTRY(printascii)
addruart_current r3, r1, r2
b 2f
@@ -177,3 +180,24 @@ ENTRY(printch)
mov r0, #0
b 1b
ENDPROC(printch)
+
+#else
+
+ENTRY(printascii)
+ mov r1, r0
+ mov r0, #0x04 @ SYS_WRITE0
+ ARM( svc #0x123456 )
+ THUMB( svc #0xab )
+ mov pc, lr
+ENDPROC(printascii)
+
+ENTRY(printch)
+ adr r1, hexbuf
+ strb r0, [r1]
+ mov r0, #0x03 @ SYS_WRITEC
+ ARM( svc #0x123456 )
+ THUMB( svc #0xab )
+ mov pc, lr
+ENDPROC(printch)
+
+#endif