initial commit

7 files changed, 102 insertions, 0 deletions

diff --git a/.gitmodules b/.gitmodules
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index 0000000..4538f40
--- /dev/null
+++ b/.gitmodules
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+[submodule "u-boot"]
+	path = u-boot
+	url = https://source.denx.de/u-boot/u-boot.git
diff --git a/Containerfile b/Containerfile
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index 0000000..5b98b10
--- /dev/null
+++ b/Containerfile
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+from ghcr.io/void-linux/void-glibc-full
+
+# update package manager (needs to be separate)
+run xbps-install -Syu xbps
+# update entire system
+run xbps-install -Syu
+
+# packages (in separate steps to optimize caching)
+run xbps-install -Sy cross-arm-linux-gnueabihf
+run xbps-install -Sy make
+run xbps-install -Sy git
+run xbps-install -Sy gcc
+run xbps-install -Sy flex
+run xbps-install -Sy openssl-devel
+
+# container directory on which the working directory on host is mounted
+workdir /workdir
+
diff --git a/env b/env
new file mode 100644
index 0000000..e1ff350
--- /dev/null
+++ b/env
@@ -0,0 +1,5 @@
+#!/bin/sh
+# this file should be sourced, not run!
+ARCH=arm
+CROSS_COMPILE=arm-linux-gnueabihf-
+
diff --git a/license b/license
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index 0000000..6faf3cf
--- /dev/null
+++ b/license
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 lonkaars
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/makefile b/makefile
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index 0000000..3bfd896
--- /dev/null
+++ b/makefile
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+# read environment variables from ./env
+include ./env
+export
+
+CTR := sudo -n podman
+MOUNT := sudo -n mount
+UMOUNT := sudo -n umount
+CP := sudo -n cp
+GIT := git
+
+CTR_IMG_TAG := avans-linux
+CTRIZE := $(CTR) run --rm --interactive --tty --volume .:/workdir:rw --user $(shell id -u):$(shell id -g) --env-file ./env $(CTR_IMG_TAG)
+
+.PHONY: all
+all: os_bootloader
+
+.PHONY: container_img
+container_img: Containerfile
+	$(CTR) build --tag $(CTR_IMG_TAG) .
+
+# this list holds the .git files in each submodule folder (add
+# $(SUBMODULE_INIT) as prerequisite to require the submodules to exist)
+SUBMODULE_INIT += ./u-boot/.git
+$(SUBMODULE_INIT):
+	$(GIT) submodule init
+	$(GIT) submodule update
+
+MKFLAGS += -j $(shell nproc)
+
+.PHONY: os_bootloader
+os_bootloader: container_img $(SUBMODULE_INIT)
+	$(CTRIZE) make -C u-boot $(MKFLAGS) am335x_evm_config
+	$(CTRIZE) make -C u-boot $(MKFLAGS)
+
+# sd card block device (assumed partition numbers, see readme.md)
+SDCARD_BD := $(shell realpath /dev/disk/by-id/usb-Generic-_Multi-Card_20071114173400000-0:0)
+load_bootloader: $(os_bootloader)
+	mkdir -p /tmp/sdcard-boot
+	$(MOUNT) $(SDCARD_BD)1 /tmp/sdcard-boot
+	$(CP) u-boot/MLO u-boot/u-boot.img u-boot/u-boot.dtb /tmp/sdcard-boot
+	$(UMOUNT) $(SDCARD_BD)1
+
diff --git a/readme.md b/readme.md
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index 0000000..d0d6279
--- /dev/null
+++ b/readme.md
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+- containers/images worden door rootful podman beheerd, maar het builden zelf
+  wordt in een geïsoleerde omgeving gedaan, en kan niet de host mollen
+
+## handmatige configuratie
+
+### SD kaart partitionering
+
+- DOS table
+- partities:
+  |#|size|fs|bootable|
+  |-|-|-|-|
+  |1|64M|VFAT (W95 FAT32 / LBA)|\*|
+  |2|\*|ext4||
diff --git a/u-boot b/u-boot
new file mode 160000
+Subproject 050a9b981d6a835133521b599be3ae189ce70f4