[SeaBIOS] [PATCH] serial console conflicts with serial debugging
Stephen Douthit
stephend at adiengineering.com
Thu Nov 2 15:41:50 CET 2017
On 11/02/2017 05:02 AM, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
> ---
> src/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/src/Kconfig b/src/Kconfig
> index 4870a3e7b7..985594c51b 100644
> --- a/src/Kconfig
> +++ b/src/Kconfig
> @@ -553,6 +553,7 @@ menu "Debugging"
> config DEBUG_SERIAL
> depends on DEBUG_LEVEL != 0
> bool "Serial port debugging"
> + depends on !SERCON
> default n
> help
> Send debugging information to serial port.
>
Could we instead add a config option to set the default to SERCON UART
address like we do for the debug UART address?
Some boards have different UARTs for debug and user console, so I don't
think we want these to be mutually exclusive.
How about something like this instead:
Signed-off-by: Stephen Douthit <stephend at adiengineering.com>
---
src/Kconfig | 6 ++++++
src/sercon.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/Kconfig b/src/Kconfig
index 55a87cb..03b0310 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -311,6 +311,12 @@ menu "Hardware support"
default y
help
Support redirecting vga output to the serial console.
+ config SERCON_PORT
+ hex "Serial console port base address"
+ default 0x3f8
+ help
+ Base port for serial console - generally 0x3f8, 0x2f8, 0x3e8,
+ or 0x2e8. Can be overridden via etc/sercon-port romfile.
config LPT
bool "Parallel port"
default y
diff --git a/src/sercon.c b/src/sercon.c
index 5d27051..354ffd9 100644
--- a/src/sercon.c
+++ b/src/sercon.c
@@ -516,7 +516,7 @@ void sercon_setup(void)
struct segoff_s seabios, vgabios;
u16 addr;
- addr = romfile_loadint("etc/sercon-port", 0);
+ addr = romfile_loadint("etc/sercon-port", CONFIG_SERCON_PORT);
if (!addr)
return;
dprintf(1, "sercon: using ioport 0x%x\n", addr);
--
2.13.6
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