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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 21:52:50 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 21:52:50 +0200
commit681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch)
tree699f14527c118859026e8ce0214e689d0b9c88cb /arch/arm/kernel/debug.S
parentxen/p2m: m2p_find_override: use list_for_each_entry_safe (diff)
parentMerge branch 'for-3.4/drivers' of git://git.kernel.dk/linux-block (diff)
downloadlinux-681e4a5e13c1c8315694eb4f44e0cdd84c9082d2.tar.xz
linux-681e4a5e13c1c8315694eb4f44e0cdd84c9082d2.zip
Merge commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81' into stable/for-linus-3.4
* commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81': (14566 commits) cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS sparc64: Eliminate obsolete __handle_softirq() function sparc64: Fix bootup crash on sun4v. kconfig: delete last traces of __enabled_ from autoconf.h Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols" kconfig: fix IS_ENABLED to not require all options to be defined irq_domain: fix type mismatch in debugfs output format staging: android: fix mem leaks in __persistent_ram_init() staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl() staging: iio: hmc5843: Fix crash in probe function. panic: fix stack dump print on direct call to panic() drivers/rtc/rtc-pl031.c: enable clock on all ST variants Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()" hugetlb: fix race condition in hugetlb_fault() drivers/rtc/rtc-twl.c: use static register while reading time drivers/rtc/rtc-s3c.c: add placeholder for driver private data drivers/rtc/rtc-s3c.c: fix compilation error MAINTAINERS: add PCDP console maintainer memcg: do not open code accesses to res_counter members drivers/rtc/rtc-efi.c: fix section mismatch warning ...
Diffstat (limited to 'arch/arm/kernel/debug.S')
-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