[Buildroot] [git commit] configs/qemu_aarch64_sbsa_defconfig: new config for QEMU sbsa-ref

Yann E. MORIN yann.morin.1998 at free.fr
Mon Jun 7 15:17:35 UTC 2021


commit: https://git.buildroot.net/buildroot/commit/?id=a8466cc5acd29711e534b48764e0db12e5472cf8
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

This introduces a configuration for the SBSA reference machine under
QEMU that is intended for developing and testing firmware. It consists
of ATF that load EDK2 as BL33 which in turn will load GRUB2.

Included with the board files is a minimal kernel configuration, almost
identical to that of board/qemu/aarch64-virt/linux.config. The main
difference is the addition of ACPI which is preferred over DTB for
booting an UEFI system.

Signed-off-by: Dick Olsson <hi at senzilla.io>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
---
 board/qemu/aarch64-sbsa/assemble-flash-images | 11 +++++
 board/qemu/aarch64-sbsa/genimage.cfg          | 30 ++++++++++++
 board/qemu/aarch64-sbsa/grub.cfg              |  6 +++
 board/qemu/aarch64-sbsa/linux.config          | 68 +++++++++++++++++++++++++++
 board/qemu/aarch64-sbsa/readme.txt            | 32 +++++++++++++
 configs/qemu_aarch64_sbsa_defconfig           | 49 +++++++++++++++++++
 6 files changed, 196 insertions(+)

diff --git a/board/qemu/aarch64-sbsa/assemble-flash-images b/board/qemu/aarch64-sbsa/assemble-flash-images
new file mode 100755
index 0000000000..abcc276b0b
--- /dev/null
+++ b/board/qemu/aarch64-sbsa/assemble-flash-images
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+BOARD_DIR="$(dirname $0)"
+
+cp -f ${BOARD_DIR}/grub.cfg ${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg
+
+# The QEMU sbsa machine expects flash devices to be 256M.
+truncate -s 256M ${BINARIES_DIR}/SBSA_FLASH0.fd
+truncate -s 256M ${BINARIES_DIR}/SBSA_FLASH1.fd
diff --git a/board/qemu/aarch64-sbsa/genimage.cfg b/board/qemu/aarch64-sbsa/genimage.cfg
new file mode 100644
index 0000000000..285b308d90
--- /dev/null
+++ b/board/qemu/aarch64-sbsa/genimage.cfg
@@ -0,0 +1,30 @@
+image efi-part.vfat {
+  vfat {
+    file startup.nsh {
+      image = "efi-part/startup.nsh"
+    }
+    file EFI {
+      image = "efi-part/EFI"
+    }
+    file Image {
+      image = "Image"
+    }
+  }
+  size = 32M
+}
+
+image disk.img {
+  hdimage {
+    gpt = true
+  }
+
+  partition boot {
+    partition-type = 0xEF
+    image = "efi-part.vfat"
+  }
+
+  partition root {
+    partition-type = 0x83
+    image = "rootfs.ext2"
+  }
+}
diff --git a/board/qemu/aarch64-sbsa/grub.cfg b/board/qemu/aarch64-sbsa/grub.cfg
new file mode 100644
index 0000000000..cd486caf4c
--- /dev/null
+++ b/board/qemu/aarch64-sbsa/grub.cfg
@@ -0,0 +1,6 @@
+set default="0"
+set timeout="5"
+
+menuentry "Buildroot" {
+	linux /Image root=/dev/sda2 rootwait console=ttyAMA0
+}
diff --git a/board/qemu/aarch64-sbsa/linux.config b/board/qemu/aarch64-sbsa/linux.config
new file mode 100644
index 0000000000..a60cce02ec
--- /dev/null
+++ b/board/qemu/aarch64-sbsa/linux.config
@@ -0,0 +1,68 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_TASKSTATS=y
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_PROFILING=y
+CONFIG_ARCH_VEXPRESS=y
+CONFIG_COMPAT=y
+CONFIG_FW_CFG_SYSFS=y
+CONFIG_FW_CFG_SYSFS_CMDLINE=y
+CONFIG_ACPI=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_BLK_DEV_BSGLIB=y
+CONFIG_BINFMT_MISC=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_PACKET_DIAG=y
+CONFIG_UNIX=y
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_BRIDGE=m
+CONFIG_NET_SCHED=y
+CONFIG_VSOCKETS=y
+CONFIG_PCI=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_VIRTIO=y
+CONFIG_ATA=y
+CONFIG_SATA_AHCI_PLATFORM=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_MACVLAN=y
+CONFIG_VIRTIO_NET=y
+CONFIG_NLMON=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_VIRTIO=y
+CONFIG_TCG_TPM=y
+CONFIG_TCG_TIS=y
+CONFIG_DRM=y
+CONFIG_DRM_VIRTIO_GPU=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PL031=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
+CONFIG_MAILBOX=y
+CONFIG_PL320_MBOX=y
+CONFIG_ARM_SMMU_V3=y
+CONFIG_EXT4_FS=y
+CONFIG_FUSE_FS=y
+CONFIG_VIRTIO_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
diff --git a/board/qemu/aarch64-sbsa/readme.txt b/board/qemu/aarch64-sbsa/readme.txt
new file mode 100644
index 0000000000..7935108ef1
--- /dev/null
+++ b/board/qemu/aarch64-sbsa/readme.txt
@@ -0,0 +1,32 @@
+Intro
+=====
+
+The QEMU sbsa-ref machine is primarily meant for firmware development
+and testing according to ARM's SBSA and SBBR standards.
+
+Build
+=====
+
+  $ make qemu_aarch64_sbsa_defconfig
+  $ make
+
+Emulation
+=========
+
+Run the emulation with:
+
+  qemu-system-aarch64 \
+    -M sbsa-ref \
+    -cpu cortex-a53 \
+    -smp 4 \
+    -m 1024 \
+    -nographic \
+    -pflash output/images/SBSA_FLASH0.fd \
+    -pflash output/images/SBSA_FLASH1.fd \
+    -hda output/images/disk.img
+
+Note that if you want to run sbsa-ref emulation with QEMU provided by
+your distro (i.e., not host-qemu by Buildroot) then you may need to
+install the SeaBIOS package for some required drivers. On Debian:
+
+  # apt install seabios
diff --git a/configs/qemu_aarch64_sbsa_defconfig b/configs/qemu_aarch64_sbsa_defconfig
new file mode 100644
index 0000000000..20ae393cd7
--- /dev/null
+++ b/configs/qemu_aarch64_sbsa_defconfig
@@ -0,0 +1,49 @@
+# Architecture
+BR2_aarch64=y
+BR2_cortex_a53=y
+
+# Toolchain
+BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
+
+# System
+BR2_SYSTEM_DHCP="eth0"
+BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+
+# Filesystem
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+# BR2_TARGET_ROOTFS_TAR is not set
+
+# Image
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/aarch64-sbsa/assemble-flash-images support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/qemu/aarch64-sbsa/genimage.cfg"
+
+# Linux headers same as kernel, a 5.10 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.10.34"
+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+
+# UEFI firmware
+BR2_TARGET_EDK2=y
+BR2_TARGET_EDK2_PLATFORM_QEMU_SBSA=y
+BR2_TARGET_GRUB2=y
+BR2_TARGET_GRUB2_ARM64_EFI=y
+
+# ARM Trusted Firmware
+BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="qemu_sbsa"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP=y
+
+# Host tools for genimage
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_MTOOLS=y
+
+# host-qemu for gitlab testing
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y


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