[coreboot] [PATCH] YABEL: update documentation of debug flags

[Joseph Smith]

On Tue, 17 Mar 2009 14:27:25 +0100, Pattrick Hueper <phueper at hueper.net>
wrote:
> Hi,
> 
> updated the debug flag documentation in util/x86emu/yabel/debug.h to
> make it easier to understand what can be set using
> CONFIG_YABEL_DEBUG_FLAGS option.
> 
> Cheers, Patty
> 
> Signed-off-by: Pattrick Hueper <phueper at hueper.net>
Acked-by: Joseph Smith <joe at settoplinux.org>

> ---
>  util/x86emu/yabel/debug.h |   22 ++++++++++++++++++++++
>  1 files changed, 22 insertions(+), 0 deletions(-)
> 
> diff --git a/util/x86emu/yabel/debug.h b/util/x86emu/yabel/debug.h
> index 987029a..ee14dfd 100644
> --- a/util/x86emu/yabel/debug.h
> +++ b/util/x86emu/yabel/debug.h
> @@ -35,6 +35,28 @@ extern void x86emu_dump_xregs(void);
>  static inline void clr_ci(void) {};
>  static inline void set_ci(void) {};
> 
> +/* Set CONFIG_YABEL_DEBUG_FLAGS is a binary switch that allows you
> + * to select the following items to debug. 1=on 0=off. After you
> + * decide what you want to debug create the binary value, convert to hex
> + * and set the Option (Ex. CONFIG_YABEL_DEBUG_FLAGS = 0x31FF //Debug
> All).
> + *
> + * |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu
> + * ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by
> x86emu (WARNING: this will produce a LOT of output)
> + * |||-Currently unused
> + * ||||-Currently unused
> + * |||||-Currently unused
> + * ||||||-DEBUG_PNP - Print Plug And Play access made by option rom
> + * |||||||-DEBUG_DISK - Print Disk I/O related messages, currently
unused
> + * ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager
> (PMM)
> + * |||||||||-DEBUG_VBE - Print messages related to VESA BIOS
> Extension (VBE) functions
> + * ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output)
> calls print messages to Debug output
> + * |||||||||||-DEBUG_INTR - Print messages related to interrupt handling
> + * ||||||||||||-DEBUG_CHECK_VMEM_ACCESS - Print messages related to
> accesse to certain areas of the virtual Memory (e.g. BDA (BIOS Data
> Area) or Interrupt Vectors)
> + * |||||||||||||-DEBUG_MEM - Print memory access made by option rom
> (NOTE: this also includes accesses to fetch instructions)
> + * ||||||||||||||-DEBUG_IO - Print I/O access made by option rom
> + * 11000111111111 - Max Binary Value, Debug All (WARNING: - This
> could run for hours)
> + */
> +
>  #define DEBUG_IO 0x1
>  #define DEBUG_MEM 0x2
>  // set this to print messages for certain virtual memory accesses
> (Interrupt Vectors, ...)
> --
> 1.6.2
-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org