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-rw-r--r--arch/arm/boot/compressed/Makefile3
-rw-r--r--arch/arm/boot/compressed/debug.S12
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index afed28e37ea5..3580d57ea218 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -24,6 +24,9 @@ endif
AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
HEAD = head.o
OBJS += misc.o decompress.o
+ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y)
+OBJS += debug.o
+endif
FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
# string library code (-Os is enforced to keep it much smaller)
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S
new file mode 100644
index 000000000000..6e8382d5b7a4
--- /dev/null
+++ b/arch/arm/boot/compressed/debug.S
@@ -0,0 +1,12 @@
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+#include CONFIG_DEBUG_LL_INCLUDE
+
+ENTRY(putc)
+ addruart r1, r2, r3
+ waituart r3, r1
+ senduart r0, r1
+ busyuart r3, r1
+ mov pc, lr
+ENDPROC(putc)