From 13bfaab3dab42d181327623208c0c299652632eb Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 29 Dec 2021 11:57:50 -0700 Subject: [PATCH] efi: Allow easy selection of serial-only operation Add info about how to select vidconsole or serial. Also set up a demo boot command. Signed-off-by: Simon Glass --- include/configs/efi-x86_app.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/include/configs/efi-x86_app.h b/include/configs/efi-x86_app.h index 6061a6d..33afb7c 100644 --- a/include/configs/efi-x86_app.h +++ b/include/configs/efi-x86_app.h @@ -10,8 +10,33 @@ #undef CONFIG_TPM_TIS_BASE_ADDRESS +/* + * Select the output device: Put an 'x' prefix before one of these to disable it + */ + +/* + * Video output - can normally continue after exit_boot_services has been + * called, since output to the display does not require EFI services at that + * point. U-Boot sets up the console memory and does its own drawing. + */ #define CONFIG_STD_DEVICES_SETTINGS "stdin=serial\0" \ "stdout=vidconsole\0" \ "stderr=vidconsole\0" +/* + * Serial output with no console. Run qemu with: + * + * -display none -serial mon:stdio + * + * This will hang or fail to output on the console after exit_boot_services is + * called. + */ +#define xCONFIG_STD_DEVICES_SETTINGS "stdin=serial\0" \ + "stdout=serial\0" \ + "stderr=serial\0" + +#undef CONFIG_BOOTCOMMAND + +#define CONFIG_BOOTCOMMAND "part list efi 0; fatls efi 0:1" + #endif -- 2.7.4