Add Makefile and stuff to build and operate

Signed-off-by: Nikita Shubin <n.shubin@yadro.com>

diff --git a/Makefile b/Makefile
new file mode 100644 (file)
index 0000000..fc07582
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,264 @@
+# -*- GNUMakefile -*-
+# Requirements:
+#  /bin/bash as SHELL
+
+export SHELL = /bin/bash
+
+ifndef PARALLEL
+ifndef NOPARALLEL
+PARALLEL := -j$(shell echo $$((`nproc` + 2)))
+endif
+endif
+
+KERNEL_TREE ?= ${CURDIR}/linux
+SYSROOT ?= ${CURDIR}/initramfs
+
+${SYSROOT}:
+       mkdir -p $@
+
+${SYSROOT}/.mount-stamp:       | ${SYSROOT}
+       touch $@
+
+${SYSROOT_x86_64}:
+       mkdir -p $@
+
+${SYSROOT_x86_64}/.mount-stamp:        | ${SYSROOT_x86_64}
+       touch $@
+
+.PHONY: world
+
+all:    world
+
+world: \
+       .build-linux \
+       .initramfs \
+       build-image/initramfs.cpio.xz \
+       .guse
+
+# --- qemu
+
+build-qemu:
+       mkdir -p $@
+
+build-qemu/Makefile:   | build-qemu
+       (cd build-qemu && \
+       PKG_CONFIG_PATH="${CURDIR}/tmp/lib64/pkgconfig/" \
+       ../qemu/configure \
+       --target-list="x86_64-softmmu,arm-softmmu" \
+       --disable-rdma \
+       --enable-fuse \
+       --enable-debug \
+       --cc=clang --cxx=clang++ \
+       $(TSAN) \
+       $(CFLAGS))
+
+build-qemu/qemu-system-arm build-qemu/qemu-system-x86_64 build-qemu/qemu-bridge-helper&:       qemu | build-qemu/Makefile
+       make -C build-qemu ${PARALLEL} -s
+
+build-qemu/qemu-bundle/usr/local/etc/qemu:
+       mkdir -p $@
+
+build-qemu/qemu-bundle/usr/local/etc/qemu/bridge.conf: etc/qemu/bridge.conf build-qemu/qemu-bundle/usr/local/etc/qemu
+       cp etc/qemu/bridge.conf $@
+
+.bridge-helper: build-qemu/qemu-bridge-helper build-qemu/qemu-bundle/usr/local/etc/qemu/bridge.conf
+       sudo setcap cap_net_admin+ep build-qemu/qemu-bridge-helper
+
+.PHONY: .build-qemu .bridge-helper
+
+.build-qemu: build-qemu/qemu-system-arm
+
+.build-qemu-asan: CFLAGS += --extra-cflags="-fsanitize=address -fsanitize=leak"
+.build-qemu-asan: .build-qemu
+
+.build-qemu-tsan: CFLAGS += --extra-cflags="-fsanitize-blacklist=${CURDIR}/qemu/tests/tsan/blacklist.tsan"
+.build-qemu-tsan: TSAN += --enable-tsan
+.build-qemu-tsan: .build-qemu
+
+clean::
+       -make -C build-qemu clean
+
+distclean::
+       -rm -rf build-qemu
+
+
+# --- kernel
+
+build-linux/arch/x86/configs:
+       mkdir -p $@
+
+build-linux/arch/x86/configs/linux-qemu_x86_64_defconfig:      configs/linux-qemu_x86_64_defconfig | build-linux/arch/x86/configs
+       cp $< $@
+
+build-linux/.config:   build-linux/arch/x86/configs/linux-qemu_x86_64_defconfig
+       make -C ${KERNEL_TREE} O=${CURDIR}/build-linux linux-qemu_x86_64_defconfig -s
+
+build-linux/defconfig: build-linux/.config
+       make -C build-linux savedefconfig
+
+build-linux/arch/x86_64/boot/bzImage:  linux build-linux/.config
+       make ${PARALLEL} -C build-linux V=1 -s
+       make -C build-linux scripts_gdb
+
+${SYSROOT}/lib/modules: build-linux/arch/x86_64/boot/bzImage linux build-linux
+       make ${PARALLEL} -s -C build-linux INSTALL_MOD_PATH=${SYSROOT} INSTALL_MOD_STRIP=1 modules_install
+
+${CURDIR}/overlay/qemu/merged/lib/modules:: build-linux/arch/x86_64/boot/bzImage linux build-linux
+       make ${PARALLEL} -s -C build-linux INSTALL_MOD_PATH=${CURDIR}/overlay/qemu/merged/ modules_install
+
+.PHONY: .build-linux .install-modules
+
+.build-linux:  build-linux/arch/x86_64/boot/bzImage
+
+.install-modules:: ${SYSROOT}/lib/modules ${CURDIR}/overlay/qemu/merged/lib/modules
+
+distclean::
+       -rm -rf build-linux
+
+# --- guse
+
+guse/guse.ko:  build-linux/arch/x86_64/boot/bzImage
+       make -C guse KDIR=${CURDIR}/build-linux
+
+# ${CURDIR}/lib/modules/6.14.0-rc3+/updates/guse.ko
+
+.PHONY: .install-guse
+
+.install-guse: guse/guse.ko
+       make -C guse KDIR=${CURDIR}/build-linux INSTALL_MOD_PATH=${SYSROOT} modules_install
+       make -C guse KDIR=${CURDIR}/build-linux INSTALL_MOD_PATH=${CURDIR}/overlay/qemu/merged/ modules_install
+
+.install-modules:: .install-guse
+
+# --- libfuse
+
+libfuse/build:
+       mkdir -p libfuse/build
+
+libfuse/build/build.ninja:     libfuse/build
+       (cd libfuse/build \
+       && meson setup .. \
+       && meson configure --prefix=${CURDIR}/tmp -Ddefault_library=static)
+
+libfuse/build/example/guse:    libfuse | libfuse/build/build.ninja
+       (cd libfuse/build && ninja)
+
+${CURDIR}/overlay/qemu/merged/root/guse:       libfuse/build/example/guse
+       cp $< $@
+
+.install-example:      ${CURDIR}/overlay/qemu/merged/root/guse
+
+# --- buildroot aspeed
+
+.PHONY:        .build-buildroot-aspeed
+
+buildroot_aspeed:      | buildroot
+       mkdir -p $@
+
+buildroot_aspeed/.config:      configs/aspeed/buildroot_defconfig | buildroot
+       make -C buildroot O=../buildroot_aspeed aspeed_ast2600evb_defconfig
+
+buildroot_aspeed/images/rootfs.tar:    buildroot buildroot_aspeed/.config
+       make -C buildroot_aspeed ${PARALLEL} -s
+
+.build-buildroot-aspeed: buildroot_aspeed/images/rootfs.tar
+
+clean::
+       -rm -rf buildroot_aspeed/images/rootfs.tar
+
+# --- buildroot x86_64
+
+.PHONY:        .build-buildroot-x86-64
+
+buildroot/configs/x86_64_guse_defconfig:       configs/x86_64/buildroot_defconfig
+       cp $< $@
+
+buildroot_x86_64:
+       mkdir -p $@
+
+buildroot_x86_64/.config:      buildroot/configs/x86_64_guse_defconfig | buildroot_x86_64
+       make -C buildroot O=../buildroot_x86_64 x86_64_guse_defconfig
+
+buildroot_x86_64/images/rootfs.tar:    buildroot_x86_64 buildroot_x86_64/.config build-linux/defconfig
+       make -C buildroot_x86_64 ${PARALLEL} -s
+
+.build-buildroot-x86-64: buildroot_x86_64/images/rootfs.tar
+
+clean::
+       -rm -rf buildroot_x86_64/images/rootfs.tar
+
+# --- initramfs
+
+.PHONY:        .initramfs
+
+${SYSROOT}/init: scripts/init | ${SYSROOT}
+       install -m 755 $< $@
+
+${SYSROOT}/loginroot:  scripts/loginroot | ${SYSROOT}
+       install -m 755 $< $@
+
+${SYSROOT}/lib/modules: build-linux/arch/x86_64/boot/bzImage linux build-linux
+       make ${PARALLEL} -s -C build-linux INSTALL_MOD_PATH=${SYSROOT} INSTALL_MOD_STRIP=1 modules_install
+
+.initramfs:    buildroot_x86_64/images/rootfs.tar | ${SYSROOT}/init ${SYSROOT}/loginroot ${SYSROOT}/lib/modules ${SYSROOT}/.mount-stamp
+       tar xf $< -C ${SYSROOT}
+       cp etc/inittab ${SYSROOT}/etc/
+       cp -r scripts/root ${SYSROOT}
+
+# --- initrd image
+
+.PHONY: build-image-clean
+
+build-image:
+       mkdir -p $@
+
+build-image-clean:     ${SYSROOT} | build-image .initramfs
+       rm -rf build-image/rootfs
+       mkdir build-image/rootfs
+       (cd ${SYSROOT} && tar cf - . ) | (cd build-image/rootfs; tar xf - )
+       rm -rf build-image/rootfs/usr/{include,share/doc,share/info}
+       rm -rf build-image/rootfs/var/db/*
+       rm -rf build-image/rootfs/var/lib/*
+       rm -rf build-image/rootfs/var/log/*
+       rm -rf build-image/rootfs/var/run/*
+       rm -rf build-image/rootfs/usr/share/man
+       rm -rf build-image/rootfs/usr/local/share/man
+       rm -rf build-image/rootfs/usr/share/pkgconfig build-image/rootfs/usr/lib/pkgconfig
+       rm -rf build-image/rootfs/usr/share/locale/{el,ko,sl,be,eo,bs,nb,pt,tr,ro,uk,it,hu,sv,id,kk,es,zh_CN,da,de,vi,pt_BR,nl,en_GB,ia,sq,sr,af,ru,pl,cs,tl,dz,sk,ja,nn,he,fr,zh_TW,km,gl,fi,eu,ga,lt,hr,bg,rw,ca,et,ne}
+       rm -rf build-image/rootfs/etc/ssl/man
+       find build-image/rootfs \( -name "*.a" -o -name "*.la" -o -name "*.o" \) -exec rm -rf {} \;
+       rm -f build-image/rootfs/usr/bin/{strings,strip,ranlib,readelf,objdump,objcopy,nm,ld.gold,ld.bfd,ld}
+       rm -f build-image/rootfs/usr/bin/{gdb,gdbserver,gprof,flex++,flex,c++filt,as,ar,addr2line}
+       rm -f build-image/rootfs/usr/bin/{strace,strace-graph,strace-log-merge}
+       rm -f build-image/rootfs/bin/udevadm
+       rm -f build-image/rootfs/sbin/{udevd,udevadm}
+       rm -rf build-image/rootfs/etc/udev
+       rm -rf build-image/rootfs/lib/udev
+       find build-image/rootfs -path build-image/rootfs/lib/modules -prune -o -type f -print | while read f; do file $$f | grep -q 'ELF 32-bit MSB' && { ${TARGET_CROSS_PREFIX}-strip -s -p $$f || true; } || true; done
+
+build-image/initramfs.cpio.xz: build-image-clean
+       (cd build-image/rootfs && find . -print0 | cpio --null -ov --format=newc | xz -C crc32 > ../initramfs.cpio.xz)
+
+clean::
+       -rm -rf build-image/initramfs.cpio.xz
+
+distclean::
+       -rm -rf ${SYSROOT}
+
+# --- overlay
+
+.PHONY:        .overlayfs
+
+overlay/qemu/merged:
+       mkdir -p $@
+
+overlay/qemu/upper:
+       mkdir -p $@
+
+overlay/qemu/work:
+       mkdir -p $@
+
+.overlayfs: \
+       overlay/qemu/merged \
+       overlay/qemu/upper \
+       overlay/qemu/work

diff --git a/configs/aspeed/buildroot_defconfig b/configs/aspeed/buildroot_defconfig
new file mode 100644 (file)
index 0000000..d25c62e
--- /dev/null
+++ b/configs/aspeed/buildroot_defconfig
@@ -0,0 +1,50 @@
+#
+# Automatically generated make config: don't edit
+# Mon Feb 18 09:11:56 2008
+#
+BR2_HAVE_DOT_CONFIG=y
+# BR2_alpha is not set
+# BR2_arm is not set
+# BR2_armeb is not set
+# BR2_cris is not set
+# BR2_ia64 is not set
+BR2_i386=y
+# BR2_m68k is not set
+# BR2_mips is not set
+# BR2_mipsel is not set
+# BR2_powerpc is not set
+# BR2_sh is not set
+# BR2_sparc is not set
+# BR2_sparc64 is not set
+# BR2_x86_64 is not set
+# BR2_x86_i486 is not set
+# BR2_x86_i586 is not set
+BR2_x86_i686=y
+# BR2_x86_pentiumpro is not set
+# BR2_x86_pentium_mmx is not set
+# BR2_x86_pentium_m is not set
+# BR2_x86_pentium2 is not set
+# BR2_x86_pentium3 is not set
+# BR2_x86_pentium4 is not set
+# BR2_x86_prescott is not set
+# BR2_x86_nocona is not set
+# BR2_x86_core2 is not set
+# BR2_x86_k6 is not set
+# BR2_x86_k6_2 is not set
+# BR2_x86_athlon is not set
+# BR2_x86_athlon_4 is not set
+# BR2_x86_opteron is not set
+# BR2_x86_opteron_sse3 is not set
+# BR2_x86_barcelona is not set
+# BR2_x86_geode is not set
+# BR2_x86_c3 is not set
+# BR2_x86_winchip_c6 is not set
+# BR2_x86_winchip2 is not set
+BR2_ARCH="i686"
+BR2_ENDIAN="LITTLE"
+BR2_GCC_TARGET_TUNE="i686"
+BR2_GCC_TARGET_ARCH="i686"
+
+#
+# Target options
+#

diff --git a/configs/x86_64/buildroot_defconfig b/configs/x86_64/buildroot_defconfig
new file mode 100644 (file)
index 0000000..1d303e2
--- /dev/null
+++ b/configs/x86_64/buildroot_defconfig
@@ -0,0 +1 @@
+BR2_x86_i686=y

diff --git a/etc/inittab b/etc/inittab
new file mode 100644 (file)
index 0000000..a5b2140
--- /dev/null
+++ b/etc/inittab
@@ -0,0 +1,41 @@
+# /etc/inittab
+#
+# Copyright (C) 2001 Erik Andersen <andersen@codepoet.org>
+#
+# Note: BusyBox init doesn't support runlevels.  The runlevels field is
+# completely ignored by BusyBox init. If you want runlevels, use
+# sysvinit.
+#
+# Format for each entry: <id>:<runlevels>:<action>:<process>
+#
+# id        == tty to run on, or empty for /dev/console
+# runlevels == ignored
+# action    == one of sysinit, respawn, askfirst, wait, and once
+# process   == program to run
+
+# Startup the system
+::sysinit:/bin/mount -t proc proc /proc
+::sysinit:/bin/mount -o remount,rw /
+::sysinit:/bin/mkdir -p /dev/pts /dev/shm
+::sysinit:/bin/mount -a
+::sysinit:/bin/mkdir -p /run/lock/subsys
+::sysinit:/sbin/swapon -a
+null::sysinit:/bin/ln -sf /proc/self/fd /dev/fd
+null::sysinit:/bin/ln -sf /proc/self/fd/0 /dev/stdin
+null::sysinit:/bin/ln -sf /proc/self/fd/1 /dev/stdout
+null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
+::sysinit:/bin/hostname -F /etc/hostname
+# now run any rc scripts
+::sysinit:/etc/init.d/rcS
+
+# Put a getty on the serial port
+::respawn:/sbin/getty -n -L -l /loginroot 115200 ttyS0 vt100
+#console::respawn:/sbin/getty -L  -l /loginroot console 0 vt100 # GENERIC_SERIAL
+
+# Stuff to do for the 3-finger salute
+#::ctrlaltdel:/sbin/reboot
+
+# Stuff to do before rebooting
+::shutdown:/etc/init.d/rcK
+::shutdown:/sbin/swapoff -a
+::shutdown:/bin/umount -a -r

diff --git a/etc/qemu/bridge.conf b/etc/qemu/bridge.conf
new file mode 100644 (file)
index 0000000..5897ae3
--- /dev/null
+++ b/etc/qemu/bridge.conf
@@ -0,0 +1,14 @@
+# This should have the following permissions: root:qemu 0640
+
+allow br0
+# Uncommenting the above would allow users in the 'qemu' group
+# to add devices to 'br0'
+
+# allow virbr0
+# Uncommenting the above would allow users in the 'qemu' group
+# to add devices to 'virbr0'
+
+# include /etc/qemu/bob.conf
+# Uncommenting the above would allow users in the 'bob' group
+# to have permissions defined in it, iff it has the following
+# permissions: root:bob 0640

diff --git a/scripts/init b/scripts/init
new file mode 100755 (executable)
index 0000000..8dd8dd3
--- /dev/null
+++ b/scripts/init
@@ -0,0 +1,17 @@
+#!/bin/sh
+# devtmpfs does not get automounted for initramfs
+/bin/mount -t devtmpfs devtmpfs /dev
+
+# use the /dev/console device node from devtmpfs if possible to not
+# confuse glibc's ttyname_r().
+# This may fail (E.G. booted with console=), and errors from exec will
+# terminate the shell, so use a subshell for the test
+if (exec 0</dev/console) 2>/dev/null; then
+    exec 0</dev/console
+    exec 1>/dev/console
+    exec 2>/dev/console
+fi
+
+export PS1="qemu-irqs # "
+
+exec /sbin/init "$@"

diff --git a/scripts/loginroot b/scripts/loginroot
new file mode 100755 (executable)
index 0000000..86e766c
--- /dev/null
+++ b/scripts/loginroot
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /bin/login -p -f root

diff --git a/tools/cleansim.sh b/tools/cleansim.sh
new file mode 100755 (executable)
index 0000000..a15c8f1
--- /dev/null
+++ b/tools/cleansim.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+echo 0 > /sys/kernel/config/gpio-sim/basic/live
+SIMDIR="/sys/kernel/config/gpio-sim"
+find $SIMDIR -type d -name hog -exec rmdir '{}' '+'
+find $SIMDIR -type d -name "line*" -exec rmdir '{}' '+'
+find $SIMDIR -type d -name "bank*" -exec rmdir '{}' '+'
+rmdir $SIMDIR/*
\ No newline at end of file

diff --git a/tools/gpiosim.sh b/tools/gpiosim.sh
new file mode 100755 (executable)
index 0000000..fde7c73
--- /dev/null
+++ b/tools/gpiosim.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+mountpoint /sys/kernel/config > /dev/null || mount -t configfs configfs /sys/kernel/config
+modprobe gpio-sim
+chown -R $USER /sys/kernel/config/gpio-sim
+mkdir /sys/kernel/config/gpio-sim/basic
+mkdir /sys/kernel/config/gpio-sim/basic/bank0
+echo "test" > /sys/kernel/config/gpio-sim/basic/bank0/label
+echo 8 > /sys/kernel/config/gpio-sim/basic/bank0/num_lines
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line0
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line0/hog
+echo "output-low" > /sys/kernel/config/gpio-sim/basic/bank0/line0/hog/direction
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line1
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line1/hog
+echo "output-low" > /sys/kernel/config/gpio-sim/basic/bank0/line1/hog/direction
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line2
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line2/hog
+echo "output-low" > /sys/kernel/config/gpio-sim/basic/bank0/line2/hog/direction
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line3
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line3/hog
+echo "output-low" > /sys/kernel/config/gpio-sim/basic/bank0/line3/hog/direction
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line4
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line5
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line6
+mkdir /sys/kernel/config/gpio-sim/basic/bank0/line7
+echo 1 > /sys/kernel/config/gpio-sim/basic/live
+

diff --git a/tools/qemu-aspeed.sh b/tools/qemu-aspeed.sh
new file mode 100755 (executable)
index 0000000..9db4348
--- /dev/null
+++ b/tools/qemu-aspeed.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+build-qemu/qemu-system-arm -M ast2600-evb,bmc-console=uart5 -kernel buildroot/output/build/linux-6.6.14/arch/arm/boot/zImage -dtb buildroot/output/build/linux-6.6.14/arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dtb -initrd buildroot/output/images/rootfs.cpio -nographic -serial mon:stdio -gpiodev chardev,id=aspeed-gpio0,chardev=gpio0 -chardev socket,path=/tmp/gpio0,id=gpio0,server=on,wait=off