[U-Boot] [PATCH V4 2/3] ARM: tegra: rework boot scripts
Dennis Gilmore
dennis at ausil.us
Thu Feb 13 12:13:22 CET 2014
Hi Stephen,
I noticed one issue
On Wed, 5 Feb 2014 09:24:58 -0700
Stephen Warren <swarren at wwwdotorg.org> wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> Update the common Tegra boot scripts in the default environment to
>
> a) Make use of the new "test -e" shell command to avoid some error
> messages.
>
> b) Allow booting using the sysboot command and extlinux.conf. This
> allows easy creation of boot menus, and provides a simple interface
> for distros to parameterize/configure the boot process.
>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
> v4:
> * Prioritize extlinux.conf over boot.scr.uimg when searching; it makes
> sense to use the cross-distro/-bootloader (hopeful) standard first.
> * Replace ; in the middle of echo'd text in boot scripts.
> * Add missing space between commands in boot scripts.
> * s/exists/test -e/ in commmit description.
> v3: s/exists/test -e/ in shell commands.
> v2: No change.
> ---
> include/configs/tegra-common-post.h | 39
> ++++++++++++++++++++++++++++--------- 1 file changed, 30
> insertions(+), 9 deletions(-)
>
> diff --git a/include/configs/tegra-common-post.h
> b/include/configs/tegra-common-post.h index
> e1a3bbc62636..3bf55ce428f2 100644 ---
> a/include/configs/tegra-common-post.h +++
> b/include/configs/tegra-common-post.h @@ -69,20 +69,41 @@
> #define BOOTCMDS_COMMON \
> "rootpart=1\0" \
> \
> + "do_script_boot="
> \
> + "load ${devtype} ${devnum}:${rootpart}
> " \
> + "${scriptaddr} ${prefix}${script};
> " \
> + "source
> ${scriptaddr}\0" \
> + \
> "script_boot="
> \
> - "if load ${devtype} ${devnum}:${rootpart}
> " \
> - "${scriptaddr} ${prefix}${script};
> then " \
> - "echo ${script} found!
> Executing ...;" \
> - "source
> ${scriptaddr};" \
> - "fi;\0"
> \
> + "for script in ${boot_scripts}; do
> " \
> + "if test -e ${devtype} ${devnum}:${rootpart}
> " \
> + "${prefix}${script}; then
> " \
> + "echo Found U-Boot script
> " \
> + "${prefix}${script};
> " \
> + "run do_script_boot;
> " \
> + "echo SCRIPT FAILED: continuing...;
> " \
> + "fi;
> " \
> + "done\0"
> \
> + \
> + "do_sysboot_boot="
> \
> + "sysboot ${devtype} ${devnum}:${rootpart} any
> " \
> + "${scriptaddr}
> ${prefix}extlinux.conf\0" \
extlinux config files are placed into an extlinux directory
you will need to use ${prefix}extlinux/extlinux.conf
> + \
> + "sysboot_boot="
> \
> + "if test -e ${devtype} ${devnum}:${rootpart}
> " \
> + "${prefix}extlinux.conf; then
> " \
> + "echo Found extlinux config
> " \
> + "${prefix}extlinux.conf;
> " \
> + "run do_sysboot_boot;
> " \
> + "echo SCRIPT FAILED: continuing...;
> " \
> + "fi\0"
> \ \
> "scan_boot="
> \ "echo Scanning ${devtype} ${devnum}...; " \
> "for prefix in ${boot_prefixes}; do
> " \
> - "for script in ${boot_scripts}; do
> " \
> - "run script_boot;
> " \
> - "done;
> " \
> - "done;\0"
> \
> + "run sysboot_boot;
> " \
> + "run script_boot;
> " \
> + "done\0"
> \ \
> "boot_targets=" \
> BOOT_TARGETS_MMC " " \
Dennis
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