All of lore.kernel.org
 help / color / mirror / Atom feed
From: Waldemar Brodkorb <wbx@openadk.org>
To: buildroot@buildroot.org
Subject: [Buildroot] [PATCH 2/2] configs/qemu_riscv32_nommu_virt: new defconfig
Date: Sun, 12 May 2024 12:07:15 +0200	[thread overview]
Message-ID: <ZkCU03+ru07pxr5d@waldemar-brodkorb.de> (raw)

Add new defconfig for Qemu RISCV32 w/o MMU.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
 DEVELOPERS                                    |  2 ++
 board/qemu/riscv32-virt/linux-nommu.config    | 21 ++++++++++++
 .../patches/linux-headers/linux-headers.hash  |  2 ++
 .../riscv32-virt/patches/linux/linux.hash     |  2 ++
 board/qemu/riscv32-virt/readme.txt            |  2 ++
 configs/qemu_riscv32_nommu_virt_defconfig     | 34 +++++++++++++++++++
 6 files changed, 63 insertions(+)
 create mode 100644 board/qemu/riscv32-virt/linux-nommu.config
 create mode 100644 board/qemu/riscv32-virt/patches/linux-headers/linux-headers.hash
 create mode 100644 board/qemu/riscv32-virt/patches/linux/linux.hash
 create mode 100644 configs/qemu_riscv32_nommu_virt_defconfig

diff --git a/DEVELOPERS b/DEVELOPERS
index 67ce43e9cc..2991c51455 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -3198,6 +3198,8 @@ 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/
diff --git a/board/qemu/riscv32-virt/linux-nommu.config b/board/qemu/riscv32-virt/linux-nommu.config
new file mode 100644
index 0000000000..784b12f18a
--- /dev/null
+++ b/board/qemu/riscv32-virt/linux-nommu.config
@@ -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
diff --git a/board/qemu/riscv32-virt/patches/linux-headers/linux-headers.hash b/board/qemu/riscv32-virt/patches/linux-headers/linux-headers.hash
new file mode 100644
index 0000000000..a6c777192c
--- /dev/null
+++ b/board/qemu/riscv32-virt/patches/linux-headers/linux-headers.hash
@@ -0,0 +1,2 @@
+# From https://cdn.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  4e43d8c5fba14f7c82597838011648056487b7550fd83276ad534559e8499b1d  linux-6.6.18.tar.xz
diff --git a/board/qemu/riscv32-virt/patches/linux/linux.hash b/board/qemu/riscv32-virt/patches/linux/linux.hash
new file mode 100644
index 0000000000..a6c777192c
--- /dev/null
+++ b/board/qemu/riscv32-virt/patches/linux/linux.hash
@@ -0,0 +1,2 @@
+# From https://cdn.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  4e43d8c5fba14f7c82597838011648056487b7550fd83276ad534559e8499b1d  linux-6.6.18.tar.xz
diff --git a/board/qemu/riscv32-virt/readme.txt b/board/qemu/riscv32-virt/readme.txt
index 32b4333512..555924f949 100644
--- a/board/qemu/riscv32-virt/readme.txt
+++ b/board/qemu/riscv32-virt/readme.txt
@@ -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.
diff --git a/configs/qemu_riscv32_nommu_virt_defconfig b/configs/qemu_riscv32_nommu_virt_defconfig
new file mode 100644
index 0000000000..3634260899
--- /dev/null
+++ b/configs/qemu_riscv32_nommu_virt_defconfig
@@ -0,0 +1,34 @@
+# 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
-- 
2.30.2

_______________________________________________
buildroot mailing list
buildroot@buildroot.org
https://lists.buildroot.org/mailman/listinfo/buildroot

             reply	other threads:[~2024-05-12 10:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-12 10:07 Waldemar Brodkorb [this message]
2024-05-12 10:20 ` [Buildroot] [PATCH 2/2] configs/qemu_riscv32_nommu_virt: new defconfig Thomas Petazzoni via buildroot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZkCU03+ru07pxr5d@waldemar-brodkorb.de \
    --to=wbx@openadk.org \
    --cc=buildroot@buildroot.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.