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-rw-r--r--arch/arm/kernel/debug.S35
1 files changed, 21 insertions, 14 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index a38b4879441d..a0f07521ca8a 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -22,11 +22,11 @@
#if defined(CONFIG_DEBUG_ICEDCC)
@@ debug using ARM EmbeddedICE DCC channel
-#if defined(CONFIG_CPU_V6)
-
- .macro addruart, rx, tmp
+ .macro addruart, rp, rv
.endm
+#if defined(CONFIG_CPU_V6)
+
.macro senduart, rd, rx
mcr p14, 0, \rd, c0, c5, 0
.endm
@@ -51,9 +51,6 @@
#elif defined(CONFIG_CPU_V7)
- .macro addruart, rx, tmp
- .endm
-
.macro senduart, rd, rx
mcr p14, 0, \rd, c0, c5, 0
.endm
@@ -71,9 +68,6 @@ wait: mrc p14, 0, pc, c0, c1, 0
#elif defined(CONFIG_CPU_XSCALE)
- .macro addruart, rx, tmp
- .endm
-
.macro senduart, rd, rx
mcr p14, 0, \rd, c8, c0, 0
.endm
@@ -98,9 +92,6 @@ wait: mrc p14, 0, pc, c0, c1, 0
#else
- .macro addruart, rx, tmp
- .endm
-
.macro senduart, rd, rx
mcr p14, 0, \rd, c1, c0, 0
.endm
@@ -130,6 +121,22 @@ wait: mrc p14, 0, pc, c0, c1, 0
#include <mach/debug-macro.S>
#endif /* CONFIG_DEBUG_ICEDCC */
+#ifdef CONFIG_MMU
+ .macro addruart_current, rx, tmp1, tmp2
+ addruart \tmp1, \tmp2
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1
+ moveq \rx, \tmp1
+ movne \rx, \tmp2
+ .endm
+
+#else /* !CONFIG_MMU */
+ .macro addruart_current, rx, tmp1, tmp2
+ addruart \rx, \tmp1
+ .endm
+
+#endif /* CONFIG_MMU */
+
/*
* Useful debugging routines
*/
@@ -164,7 +171,7 @@ ENDPROC(printhex2)
.ltorg
ENTRY(printascii)
- addruart r3, r1
+ addruart_current r3, r1, r2
b 2f
1: waituart r2, r3
senduart r1, r3
@@ -180,7 +187,7 @@ ENTRY(printascii)
ENDPROC(printascii)
ENTRY(printch)
- addruart r3, r1
+ addruart_current r3, r1, r2
mov r1, r0
mov r0, #0
b 1b