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fa97bdf927
linux/arch/x86/boot
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Pekka Enberg fa97bdf927 x86, setup: Early-boot serial I/O support 
This patch adds serial I/O support to the real-mode setup (very early
boot) printf(). It's useful for debugging boot code when running Linux
under KVM, for example. The actual code was lifted from early printk.

Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1278835617-11368-1-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-07-12 14:46:00 -07:00
..
compressed Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
tools x86: remove zImage support 2009-03-11 11:00:00 -07:00
.gitignore x86, boot: add new generated files to the appropriate .gitignore files 2009-06-02 21:13:30 -07:00
a20.c x86, setup: "glove box" BIOS interrupts in the core boot code 2009-04-09 16:08:11 -07:00
apm.c x86, setup: "glove box" BIOS interrupts in the APM code 2009-04-09 16:08:11 -07:00
bioscall.S x86, boot: use .code16gcc instead of .code16 2009-06-16 17:47:32 -07:00
bitops.h x86: remove pointless comments 2008-04-19 19:19:54 +02:00
boot.h x86, setup: Early-boot serial I/O support 2010-07-12 14:46:00 -07:00
cmdline.c x86: remove pointless comments 2008-04-19 19:19:54 +02:00
code16gcc.h i386: move boot 2007-10-11 11:16:45 +02:00
copy.S x86: copy.S - use GLOBAL,ENDPROC macros 2009-02-19 17:13:00 +01:00
cpu.c x86 setup: handle more than 8 CPU flag words 2008-09-16 15:09:26 -07:00
cpucheck.c x86: boot: stub out unimplemented CPU feature words 2008-09-05 16:13:44 -07:00
edd.c x86, setup: "glove box" BIOS interrupts in the EDD code 2009-04-09 16:08:11 -07:00
header.S kbuild: move utsrelease.h to include/generated 2009-12-12 13:08:15 +01:00
install.sh kbuild: use INSTALLKERNEL to select customized installkernel script 2009-09-20 12:18:14 +02:00
main.c x86, setup: Early-boot serial I/O support 2010-07-12 14:46:00 -07:00
Makefile gcov: enable GCOV_PROFILE_ALL for x86_64 2009-06-18 13:03:58 -07:00
mca.c x86, setup: "glove box" BIOS interrupts in the MCA code 2009-04-09 16:08:11 -07:00
memory.c Merge branch 'x86/urgent' into x86/setup 2009-05-23 16:42:19 -07:00
mkcpustr.c x86: Remove trailing spaces in messages 2010-02-07 17:47:51 +01:00
mtools.conf.in i386: move boot 2007-10-11 11:16:45 +02:00
pm.c x86: remove zImage support 2009-03-11 11:00:00 -07:00
pmjump.S x86, setup: move 32-bit code to .text32 2009-03-17 15:26:06 -07:00
printf.c x86: boot/printfc use NULL instead 0 2008-05-25 08:58:25 +02:00
regs.c x86, setup: "glove box" BIOS calls -- infrastructure 2009-04-09 16:08:11 -07:00
setup.ld x86: Document linker script ASSERT() quirk 2009-10-16 07:18:46 +02:00
string.c x86, setup: Early-boot serial I/O support 2010-07-12 14:46:00 -07:00
tty.c x86, setup: Early-boot serial I/O support 2010-07-12 14:46:00 -07:00
version.c kbuild: move utsrelease.h to include/generated 2009-12-12 13:08:15 +01:00
vesa.h x86-boot: don't request VBE2 information 2008-03-07 16:39:14 +01:00
video-bios.c x86: fix usage of bios intcall() 2009-07-04 12:56:32 -07:00
video-mode.c x86: move suspend wakeup code to C 2008-04-17 17:41:37 +02:00
video-vesa.c Merge branch 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-14 08:01:47 -07:00
video-vga.c x86, setup: Set ax register in boot vga query 2010-06-10 15:24:29 -07:00
video.c x86, setup: When restoring the screen, update boot_params.screen_info 2010-02-17 18:32:06 -08:00
video.h x86, setup: remove obsolete pre-Kconfig CONFIG_VIDEO_ variables 2009-06-26 11:02:31 -07:00