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| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-06-20 21:13:55 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-06-20 21:13:55 -0700 |
| commit | e6bca5a6a8a0cdc41a9e1e3e69bc8476ac6a8ed4 (patch) | |
| tree | 2651a8a7b81ee71113bdeda8425a2083f2842b20 /arch/arm/boot/compressed/debug.S | |
| parent | e8747f10ba3f7638b1c1fcab9c66a01733213d45 (diff) | |
| parent | 7d132055814ef17a6c7b69f342244c410a5e000f (diff) | |
| download | linux-stable-e6bca5a6a8a0cdc41a9e1e3e69bc8476ac6a8ed4.tar.gz linux-stable-e6bca5a6a8a0cdc41a9e1e3e69bc8476ac6a8ed4.tar.bz2 linux-stable-e6bca5a6a8a0cdc41a9e1e3e69bc8476ac6a8ed4.zip | |
Merge tag 'v3.10-rc6' into x86/cleanups
Linux 3.10-rc6
We need a change that is the mainline tree for further work.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arm/boot/compressed/debug.S')
| -rw-r--r-- | arch/arm/boot/compressed/debug.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S index 6e8382d5b7a4..5392ee63338f 100644 --- a/arch/arm/boot/compressed/debug.S +++ b/arch/arm/boot/compressed/debug.S @@ -1,6 +1,8 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#ifndef CONFIG_DEBUG_SEMIHOSTING + #include CONFIG_DEBUG_LL_INCLUDE ENTRY(putc) @@ -10,3 +12,29 @@ ENTRY(putc) busyuart r3, r1 mov pc, lr ENDPROC(putc) + +#else + +ENTRY(putc) + adr r1, 1f + ldmia r1, {r2, r3} + add r2, r2, r1 + ldr r1, [r2, r3] + strb r0, [r1] + mov r0, #0x03 @ SYS_WRITEC + ARM( svc #0x123456 ) + THUMB( svc #0xab ) + mov pc, lr + .align 2 +1: .word _GLOBAL_OFFSET_TABLE_ - . + .word semi_writec_buf(GOT) +ENDPROC(putc) + + .bss + .global semi_writec_buf + .type semi_writec_buf, %object +semi_writec_buf: + .space 4 + .size semi_writec_buf, 4 + +#endif |