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configs/qemu_riscv32_nommu_virt: new defconfig

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Add new defconfig for Qemu RISCV32 w/o MMU.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Waldemar Brodkorb 2024-05-12 12:07:15 +02:00 committed by Thomas Petazzoni
parent e32d404f6c
commit 7b6384bfd4
6 changed files with 63 additions and 0 deletions
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2
DEVELOPERS
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@ -3201,6 +3201,8 @@ N: Wade Berrier <wberrier@gmail.com>
F: package/ngrep/
N: Waldemar Brodkorb <wbx@openadk.org>
F: board/qemu/riscv32-virt/
F: configs/qemu_riscv32_nommu_virt_defconfig
F: package/asterisk/
F: package/libjwt/
F: package/mksh/

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board/qemu/riscv32-virt/linux-nommu.config Normal file
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@ -0,0 +1,21 @@
CONFIG_BLK_DEV_INITRD=y
# CONFIG_MMU is not set
CONFIG_SOC_VIRT=y
CONFIG_NONPORTABLE=y
CONFIG_ARCH_RV32I=y
CONFIG_BINFMT_FLAT=y
CONFIG_SLOB=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_NETDEVICES=y
CONFIG_VIRTIO_BLK=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
CONFIG_VIRTIO_NET=y
CONFIG_EXT2_FS=y
CONFIG_PRINTK_TIME=y

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board/qemu/riscv32-virt/patches/linux-headers/linux-headers.hash Normal file
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@ -0,0 +1,2 @@
# From https://cdn.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
sha256 4e43d8c5fba14f7c82597838011648056487b7550fd83276ad534559e8499b1d linux-6.6.18.tar.xz

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board/qemu/riscv32-virt/patches/linux/linux.hash Normal file
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@ -0,0 +1,2 @@
# From https://cdn.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
sha256 4e43d8c5fba14f7c82597838011648056487b7550fd83276ad534559e8499b1d linux-6.6.18.tar.xz

2
board/qemu/riscv32-virt/readme.txt
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@ -2,4 +2,6 @@ Run Linux in emulation with:
qemu-system-riscv32 -M virt -bios output/images/fw_jump.elf -kernel output/images/Image -append "rootwait root=/dev/vda ro" -drive file=output/images/rootfs.ext2,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -netdev user,id=net0 -device virtio-net-device,netdev=net0 -nographic # qemu_riscv32_virt_defconfig
qemu-system-riscv32 -M virt -bios none -kernel output/images/Image -append "rootwait root=/dev/vda ro" -drive file=output/images/rootfs.ext2,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -nographic -cpu rv32,mmu=off -netdev user,id=eth0 -device virtio-net-device,netdev=eth0 # qemu_riscv32_nommu_virt_defconfig
The login prompt will appear in the terminal that started Qemu.

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configs/qemu_riscv32_nommu_virt_defconfig Normal file
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# Architecture
BR2_riscv=y
BR2_RISCV_32=y
# BR2_RISCV_USE_MMU is not set
# Hashes
BR2_GLOBAL_PATCH_DIR="board/qemu/riscv32-virt/patches"
BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
# Linux headers same as kernel
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
# System
BR2_SYSTEM_DHCP="eth0"
BR2_TARGET_GENERIC_GETTY=y
# Filesystem
BR2_TARGET_ROOTFS_EXT2=y
# Image
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
# Kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.6.18"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/riscv32-virt/linux-nommu.config"
BR2_LINUX_KERNEL_IMAGE=y
# host-qemu for gitlab testing
BR2_PACKAGE_HOST_QEMU=y
BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y