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| author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
| commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
| tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /arch/arm/Kconfig.debug | |
| parent | e66a8ddff72e85605f2212a0ebc666c7e9116641 (diff) | |
| parent | b4838d12e1f3cb48c2489a0b08733b5dbf848297 (diff) | |
| download | blackbird-op-linux-8065248069097dddf9945acfb2081025e9618c16.tar.gz blackbird-op-linux-8065248069097dddf9945acfb2081025e9618c16.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'arch/arm/Kconfig.debug')
| -rw-r--r-- | arch/arm/Kconfig.debug | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 66ca8014ff3e..85348a09d655 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -292,6 +292,22 @@ choice Note that the system will appear to hang during boot if there is nothing connected to read from the DCC. + config DEBUG_SEMIHOSTING + bool "Kernel low-level debug output via semihosting I" + help + Semihosting enables code running on an ARM target to use + the I/O facilities on a host debugger/emulator through a + simple SVC calls. The host debugger or emulator must have + semihosting enabled for the special svc call to be trapped + otherwise the kernel will crash. + + This is known to work with OpenOCD, as wellas + ARM's Fast Models, or any other controlling environment + that implements semihosting. + + For more details about semihosting, please see + chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. + endchoice config EARLY_PRINTK |
