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From: Neal Frager <neal.frager@xilinx.com>
To: <buildroot@buildroot.org>
Cc: Neal Frager <neal.frager@amd.com>,
	wesley@sonifex.co.uk, luca@lucaceresoli.net,
	giulio.benetti@benettiengineering.com, michal.simek@amd.com,
	yann.morin.1998@free.fr
Subject: [Buildroot] [PATCH v2 1/4] board/zynqmp/post-build.sh: auto-generate extlinux.conf
Date: Thu, 9 Jun 2022 08:04:46 -0600	[thread overview]
Message-ID: <20220609140449.210030-1-neal.frager@xilinx.com> (raw)

From: Neal Frager <neal.frager@amd.com>

This patch uses the BR2_ROOTFS_POST_SCRIPT_ARGS to auto-generate the
extlinux.conf file, so developers will only need to modify the
board_defconfig file to change the console and boot file system locations.

Signed-off-by: Neal Frager <neal.frager@amd.com>
---
V1->V2:
  - generates extlinux.conf directly in output/images directory
  - uses "cat <<-" option to remove leading tabs
---
 board/zynqmp/post-build.sh | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/board/zynqmp/post-build.sh b/board/zynqmp/post-build.sh
index 9fd8bbf2c8..7387576414 100755
--- a/board/zynqmp/post-build.sh
+++ b/board/zynqmp/post-build.sh
@@ -4,5 +4,18 @@
 # in the binaries directory
 
 BOARD_DIR="$(dirname $0)"
+CONSOLE=$2
+ROOT=$3
 
-install -m 0644 -D $BOARD_DIR/extlinux.conf $BINARIES_DIR/extlinux.conf
+FILE=${BOARD_DIR}/extlinux.conf
+if test -f "${FILE}"; then
+  install -m 0644 -D "${FILE}" "${BINARIES_DIR}/extlinux.conf"
+else
+  mkdir -p "${BINARIES_DIR}"
+  cat <<-__HEADER_EOF > "${BINARIES_DIR}/extlinux.conf"
+	label linux
+	  kernel /Image
+	  devicetree /system.dtb
+	  append console=${CONSOLE} root=/dev/${ROOT} rw rootwait
+	__HEADER_EOF
+fi
-- 
2.17.1

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             reply	other threads:[~2022-06-09 14:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-09 14:04 Neal Frager [this message]
2022-06-09 14:04 ` [Buildroot] [PATCH v2 2/4] configs/zynqmp_zcu10x_defconfig: add parameters to generate extlinux.conf Neal Frager
2022-06-15 21:01   ` Luca Ceresoli
2022-06-09 14:04 ` [Buildroot] [PATCH v2 3/4] configs/zynqmp_kria_kv260_defconfig: " Neal Frager
2022-06-15 21:01   ` Luca Ceresoli
2022-06-09 14:04 ` [Buildroot] [PATCH v2 4/4] board/zynqmp/post-build.sh: remove unnecessary if Neal Frager
2022-06-15 21:01   ` Luca Ceresoli
2022-06-15  5:20 ` [Buildroot] [PATCH v2 1/4] board/zynqmp/post-build.sh: auto-generate extlinux.conf Frager, Neal via buildroot
2022-06-15 21:00 ` Luca Ceresoli
2022-06-19 16:47 ` Arnout Vandecappelle

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