From: Mark Corbin <mark.corbin@embecosm.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v4 2/3] configs/qemu: add qemu_riscv32_virt_defconfig
Date: Sun, 21 Oct 2018 20:12:02 +0100 [thread overview]
Message-ID: <20181021191203.2148-2-mark.corbin@embecosm.com> (raw)
In-Reply-To: <20181021191203.2148-1-mark.corbin@embecosm.com>
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>
---
Changes v3 -> v4:
- set new variable BR2_RISCV_32 in qemu_riscv32_virt_defconfig
---
board/qemu/riscv32-virt/linux.config | 23 +++++++++++++++++++++++
board/qemu/riscv32-virt/readme.txt | 7 +++++++
configs/qemu_riscv32_virt_defconfig | 25 +++++++++++++++++++++++++
3 files changed, 55 insertions(+)
create mode 100644 board/qemu/riscv32-virt/linux.config
create mode 100644 board/qemu/riscv32-virt/readme.txt
create mode 100644 configs/qemu_riscv32_virt_defconfig
diff --git a/board/qemu/riscv32-virt/linux.config b/board/qemu/riscv32-virt/linux.config
new file mode 100644
index 0000000000..c25583f768
--- /dev/null
+++ b/board/qemu/riscv32-virt/linux.config
@@ -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
diff --git a/board/qemu/riscv32-virt/readme.txt b/board/qemu/riscv32-virt/readme.txt
new file mode 100644
index 0000000000..2da99580e5
--- /dev/null
+++ b/board/qemu/riscv32-virt/readme.txt
@@ -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
diff --git a/configs/qemu_riscv32_virt_defconfig b/configs/qemu_riscv32_virt_defconfig
new file mode 100644
index 0000000000..40b4fa16ae
--- /dev/null
+++ b/configs/qemu_riscv32_virt_defconfig
@@ -0,0 +1,25 @@
+# Architecture
+BR2_riscv=y
+BR2_RISCV_32=y
+
+# System
+BR2_SYSTEM_DHCP="eth0"
+
+# Filesystem
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_GENERIC_GETTY=y
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
+
+# 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
--
2.17.1
next prev parent reply other threads:[~2018-10-21 19:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-21 19:12 [Buildroot] [PATCH v4 1/3] arch: add support for RISC-V 32-bit (riscv32) architecture Mark Corbin
2018-10-21 19:12 ` Mark Corbin [this message]
2018-11-02 3:09 ` [Buildroot] [PATCH v4 2/3] configs/qemu: add qemu_riscv32_virt_defconfig Matthew Weber
2019-01-10 20:32 ` Thomas Petazzoni
2018-10-21 19:12 ` [Buildroot] [PATCH v4 3/3] support/config-fragments: add RISC-V 32-bit to autobuild configs Mark Corbin
2018-11-02 3:09 ` Matthew Weber
2019-01-10 20:32 ` Thomas Petazzoni
2018-11-02 3:08 ` [Buildroot] [PATCH v4 1/3] arch: add support for RISC-V 32-bit (riscv32) architecture Matthew Weber
2019-01-06 13:18 ` Thomas Petazzoni
2019-01-07 14:36 ` Mark Corbin
2019-01-07 15:21 ` Thomas Petazzoni
2019-01-14 20:44 ` Thomas Petazzoni
2019-01-15 10:19 ` Mark Corbin
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