Re: [Xen-devel] [PATCH 5 of 5] rombios/debug: Reduce verbosity of rombios

[Tim Deegan <tim@xxxxxxx>]

At 16:41 +0000 on 26 Nov (1353948096), Andrew Cooper wrote:
> Default builds of Qemu appear not to log the Bochs debug port, so having 
> rombios
> write to the port causes pointless traps.

This BIOS_PRINTF_INFO output is also sent to the Xen debug port (0xE9)
by send() in rombios.c.  I think the right change if the Bochs ports
aren't useful is to set BX_VIRTUAL_PORTS to 0 in rombios.c.

Tim.

> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> diff -r 8dbcbde13914 -r f997ed9b64ab tools/firmware/rombios/rombios.h
> --- a/tools/firmware/rombios/rombios.h
> +++ b/tools/firmware/rombios/rombios.h
> @@ -48,10 +48,11 @@
>  // per-device basis. Debug info are sent only in debug mode
>  #if DEBUG_ROMBIOS
>  #  define BX_DEBUG(format, p...)  bios_printf(BIOS_PRINTF_INFO, format, ##p)
> +#  define BX_INFO(format, p...)   bios_printf(BIOS_PRINTF_INFO, format, ##p)
>  #else
>  #  define BX_DEBUG(format, p...)
> +#  define BX_INFO(format, p...)
>  #endif
> -#define BX_INFO(format, p...)   bios_printf(BIOS_PRINTF_INFO, format, ##p)
>  #define BX_PANIC(format, p...)  bios_printf(BIOS_PRINTF_DEBHALT, format, ##p)
>  
>  #define ACPI_DATA_SIZE    0x00010000L
> 
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