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configs/qemu_riscv32_virt: new defconfig

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Add RISC-V 32-bit defconfig for QEMU virt machine.

Tested with QEMU 2.12.1

Signed-off-by: Mark Corbin <mark.corbin@embecosm.com>
Reviewed-by: Matt Weber <matthew.weber@rockwellcollins.com>
[Thomas: regenerate .gitlab-ci.yml, update DEVELOPERS file]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Mark Corbin 2018-10-21 20:12:02 +01:00 committed by Thomas Petazzoni
parent ae99fa6d64
commit 22322383a7
5 changed files with 58 additions and 0 deletions
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1
.gitlab-ci.yml
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@ -230,6 +230,7 @@ qemu_ppc64le_pseries_defconfig: *defconfig
qemu_ppc_g3beige_defconfig: *defconfig
qemu_ppc_mpc8544ds_defconfig: *defconfig
qemu_ppc_virtex_ml507_defconfig: *defconfig
qemu_riscv32_virt_defconfig: *defconfig
qemu_riscv64_virt_defconfig: *defconfig
qemu_sh4_r2d_defconfig: *defconfig
qemu_sh4eb_r2d_defconfig: *defconfig

2
DEVELOPERS
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@ -1351,8 +1351,10 @@ F: package/ratpoison/
N: Mark Corbin <mark.corbin@embecosm.com>
F: arch/arch.mk.riscv
F: arch/Config.in.riscv
F: board/qemu/riscv32-virt/
F: board/qemu/riscv64-virt/
F: boot/riscv-pk/
F: configs/qemu_riscv32_virt_defconfig
F: configs/qemu_riscv64_virt_defconfig
N: Markos Chandras <markos.chandras@imgtec.com>

23
board/qemu/riscv32-virt/linux.config Normal file
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@ -0,0 +1,23 @@
CONFIG_ARCH_RV32I=y
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PCI=y
CONFIG_SYSVIPC=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_WIRELESS is not set
CONFIG_VIRTIO_BLK=y
CONFIG_NETDEVICES=y
CONFIG_VIRTIO_NET=y
# CONFIG_ETHERNET is not set
# CONFIG_WLAN is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_VIRT_DRIVERS=y
CONFIG_VIRTIO_MMIO=y
CONFIG_EXT2_FS=y
CONFIG_EXT4_FS=y
CONFIG_TMPFS=y

7
board/qemu/riscv32-virt/readme.txt Normal file
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@ -0,0 +1,7 @@
Run the emulation with:
qemu-system-riscv32 -M virt -kernel output/images/bbl -append "root=/dev/vda ro console=ttyS0" -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
The login prompt will appear in the terminal that started Qemu.
Tested with QEMU 2.12.1

25
configs/qemu_riscv32_virt_defconfig Normal file
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@ -0,0 +1,25 @@
# Architecture
BR2_riscv=y
BR2_RISCV_32=y
# System
BR2_SYSTEM_DHCP="eth0"
BR2_TARGET_GENERIC_GETTY=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
# Filesystem
BR2_TARGET_ROOTFS_EXT2=y
# Linux headers same as kernel, a 4.15 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_15=y
# Kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_GIT=y
BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/riscv/riscv-linux.git"
BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="fe92d7905c6ea0ebeabeb725b8040754ede7c220"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/riscv32-virt/linux.config"
# Bootloader
BR2_TARGET_RISCV_PK=y