From 2957e8bf43edf8de6e579ce1ed7f95e5bb4a1437 Mon Sep 17 00:00:00 2001 From: Alper Nebi Yasak <alpernebiyasak@gmail.com> Date: Mon, 14 Aug 2023 20:39:41 +0300 Subject: [PATCH 1/4] arm: qemu: Enable Bochs video support Commit 716161663ec49 ("riscv: qemu: Enable Bochs video support") enables a video console for QEMU RISC-V virtual machines using an emulated Bochs VGA card. Similarly, enable it for ARM virtual machines as well. Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com> Reviewed-by: Bin Meng <bmeng@tinylab.org> Link: https://lore.kernel.org/u-boot/20230814173944.288356-2-alpernebiyasak@gmail.com/ --- arch/arm/Kconfig | 4 ++++ board/emulation/qemu-arm/qemu-arm.env | 3 +++ doc/board/emulation/qemu-arm.rst | 4 ++++ 3 files changed, 11 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 328e2ddc33af..d96e230e9ee8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1036,6 +1036,10 @@ config ARCH_QEMU imply DM_RTC imply RTC_PL031 imply OF_HAS_PRIOR_STAGE + imply VIDEO + imply VIDEO_BOCHS + imply SYS_WHITE_ON_BLACK + imply SYS_CONSOLE_IS_IN_ENV config ARCH_RMOBILE bool "Renesas ARM SoCs" diff --git a/board/emulation/qemu-arm/qemu-arm.env b/board/emulation/qemu-arm/qemu-arm.env index e658d5ee7d63..86a99a2e8713 100644 --- a/board/emulation/qemu-arm/qemu-arm.env +++ b/board/emulation/qemu-arm/qemu-arm.env @@ -2,6 +2,9 @@ /* environment for qemu-arm and qemu-arm64 */ +stdin=serial +stdout=serial,vidconsole +stderr=serial,vidconsole fdt_high=0xffffffff initrd_high=0xffffffff fdt_addr=0x40000000 diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst index 7291fa4a3150..c423fce76edd 100644 --- a/doc/board/emulation/qemu-arm.rst +++ b/doc/board/emulation/qemu-arm.rst @@ -67,6 +67,10 @@ Additional persistent U-Boot environment support can be added as follows: Additional peripherals that have been tested to work in both U-Boot and Linux can be enabled with the following command line parameters: +- To add a video console, remove "-nographic" and add e.g.:: + + -serial stdio -device VGA + - To add a Serial ATA disk via an Intel ICH9 AHCI controller, pass e.g.:: -drive if=none,file=disk.img,format=raw,id=mydisk \ -- 2.42.0 From 5330bc1c2ad84ba9ecc473f8c24d6e15b366adf9 Mon Sep 17 00:00:00 2001 From: Alper Nebi Yasak <alpernebiyasak@gmail.com> Date: Mon, 14 Aug 2023 20:39:42 +0300 Subject: [PATCH 2/4] arm: qemu: Enable PRE_CONSOLE_BUFFER Commit 608b80b5b855 ("riscv: qemu: Enable PRE_CONSOLE_BUFFER") enables buffering console messages for QEMU RISC-V virtual machines so those printed before the video console is available will still show up on the display. Similarly, enable it for ARM virtual machines as well. Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng@tinylab.org> Link: https://lore.kernel.org/u-boot/20230814173944.288356-3-alpernebiyasak@gmail.com/ --- arch/arm/Kconfig | 1 + board/emulation/qemu-arm/Kconfig | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d96e230e9ee8..1cc2be55140a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1040,6 +1040,7 @@ config ARCH_QEMU imply VIDEO_BOCHS imply SYS_WHITE_ON_BLACK imply SYS_CONSOLE_IS_IN_ENV + imply PRE_CONSOLE_BUFFER config ARCH_RMOBILE bool "Renesas ARM SoCs" diff --git a/board/emulation/qemu-arm/Kconfig b/board/emulation/qemu-arm/Kconfig index ed9949651c4b..09c95413a541 100644 --- a/board/emulation/qemu-arm/Kconfig +++ b/board/emulation/qemu-arm/Kconfig @@ -12,6 +12,10 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply VIRTIO_NET imply VIRTIO_BLK +config PRE_CON_BUF_ADDR + hex + default 0x40100000 + endif if TARGET_QEMU_ARM_64BIT && !TFABOOT -- 2.42.0 From 7f666214855d062dc939ff54a0fa52fbde9f0391 Mon Sep 17 00:00:00 2001 From: Alper Nebi Yasak <alpernebiyasak@gmail.com> Date: Mon, 14 Aug 2023 20:39:43 +0300 Subject: [PATCH 3/4] arm: qemu: Enable usb keyboard as an input device Commit 02be57caf730 ("riscv: qemu: Enable usb keyboard as an input device") adds PCI xHCI support to QEMU RISC-V virtual machines and enables using a USB keyboard as one of the input devices. Similarly, enable those for ARM virtual machines as well. Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng@tinylab.org> Link: https://lore.kernel.org/u-boot/20230814173944.288356-4-alpernebiyasak@gmail.com/ --- arch/arm/Kconfig | 5 +++++ board/emulation/qemu-arm/qemu-arm.c | 5 +++++ board/emulation/qemu-arm/qemu-arm.env | 2 +- configs/qemu_arm64_defconfig | 2 -- configs/qemu_arm_defconfig | 2 -- doc/board/emulation/qemu-arm.rst | 4 ++++ 6 files changed, 15 insertions(+), 5 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1cc2be55140a..4c739bd9bc82 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1041,6 +1041,11 @@ config ARCH_QEMU imply SYS_WHITE_ON_BLACK imply SYS_CONSOLE_IS_IN_ENV imply PRE_CONSOLE_BUFFER + imply USB + imply USB_XHCI_HCD + imply USB_XHCI_PCI + imply USB_KEYBOARD + imply CMD_USB config ARCH_RMOBILE bool "Renesas ARM SoCs" diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index dfea0d92a3c8..942f1fff5717 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -11,6 +11,7 @@ #include <fdtdec.h> #include <init.h> #include <log.h> +#include <usb.h> #include <virtio_types.h> #include <virtio.h> @@ -114,6 +115,10 @@ int board_late_init(void) */ virtio_init(); + /* start usb so that usb keyboard can be used as input device */ + if (CONFIG_IS_ENABLED(USB_KEYBOARD)) + usb_init(); + return 0; } diff --git a/board/emulation/qemu-arm/qemu-arm.env b/board/emulation/qemu-arm/qemu-arm.env index 86a99a2e8713..fb4adef281ed 100644 --- a/board/emulation/qemu-arm/qemu-arm.env +++ b/board/emulation/qemu-arm/qemu-arm.env @@ -2,7 +2,7 @@ /* environment for qemu-arm and qemu-arm64 */ -stdin=serial +stdin=serial,usbkbd stdout=serial,vidconsole stderr=serial,vidconsole fdt_high=0xffffffff diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig index 94bd96678443..f6b8ae530a4a 100644 --- a/configs/qemu_arm64_defconfig +++ b/configs/qemu_arm64_defconfig @@ -35,7 +35,6 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_CMD_DFU=y CONFIG_CMD_MTD=y CONFIG_CMD_PCI=y -CONFIG_CMD_USB=y CONFIG_CMD_TPM=y CONFIG_CMD_MTDPARTS=y CONFIG_ENV_IS_IN_FLASH=y @@ -68,7 +67,6 @@ CONFIG_SYSRESET=y CONFIG_SYSRESET_CMD_POWEROFF=y CONFIG_SYSRESET_PSCI=y CONFIG_TPM2_MMIO=y -CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_PCI=y CONFIG_TPM=y diff --git a/configs/qemu_arm_defconfig b/configs/qemu_arm_defconfig index 7cb1e9f037ff..1347b86f34b1 100644 --- a/configs/qemu_arm_defconfig +++ b/configs/qemu_arm_defconfig @@ -36,7 +36,6 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_CMD_DFU=y CONFIG_CMD_MTD=y CONFIG_CMD_PCI=y -CONFIG_CMD_USB=y CONFIG_CMD_TPM=y CONFIG_CMD_MTDPARTS=y CONFIG_ENV_IS_IN_FLASH=y @@ -69,7 +68,6 @@ CONFIG_SYSRESET=y CONFIG_SYSRESET_CMD_POWEROFF=y CONFIG_SYSRESET_PSCI=y CONFIG_TPM2_MMIO=y -CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_PCI=y CONFIG_TPM=y diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst index c423fce76edd..5481ef6da328 100644 --- a/doc/board/emulation/qemu-arm.rst +++ b/doc/board/emulation/qemu-arm.rst @@ -84,6 +84,10 @@ can be enabled with the following command line parameters: -device usb-ehci,id=ehci +- To add a USB keyboard attached to an emulated xHCI controller, pass e.g.:: + + -device qemu-xhci,id=xhci -device usb-kbd,bus=xhci.0 + - To add an NVMe disk, pass e.g.:: -drive if=none,file=disk.img,id=mydisk -device nvme,drive=mydisk,serial=foo -- 2.42.0 From fcc1b6cb56beaaf90bf80928627a606f33a42c3c Mon Sep 17 00:00:00 2001 From: Alper Nebi Yasak <alpernebiyasak@gmail.com> Date: Mon, 14 Aug 2023 20:39:44 +0300 Subject: [PATCH 4/4] doc: qemu: arm: Add a section on booting Linux distros Add an example qemu-system-aarch64 command that can make U-Boot on QEMU boot into the Debian Installer, along with resulting console messages from U-Boot, based on the existing documentation section for the x86 version. Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com> Link: https://lore.kernel.org/u-boot/20230814173944.288356-5-alpernebiyasak@gmail.com/ --- doc/board/emulation/qemu-arm.rst | 68 ++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst index 5481ef6da328..1c91c7f3ac67 100644 --- a/doc/board/emulation/qemu-arm.rst +++ b/doc/board/emulation/qemu-arm.rst @@ -98,6 +98,74 @@ can be enabled with the following command line parameters: These have been tested in QEMU 2.9.0 but should work in at least 2.5.0 as well. +Booting distros +--------------- + +It is possible to install and boot a standard Linux distribution using +qemu_arm64 by setting up a root disk:: + + qemu-img create root.img 20G + +then using the installer to install. For example, with Debian 12:: + + qemu-system-aarch64 \ + -machine virt -cpu cortex-a53 -m 4G -smp 4 \ + -bios u-boot.bin \ + -serial stdio -device VGA \ + -nic user,model=virtio-net-pci \ + -device virtio-rng-pci \ + -device qemu-xhci,id=xhci \ + -device usb-kbd -device usb-tablet \ + -drive if=virtio,file=debian-12.0.0-arm64-netinst.iso,format=raw,readonly=on,media=cdrom \ + -drive if=virtio,file=root.img,format=raw,media=disk + +The output will be something like this:: + + U-Boot 2023.10-rc2-00075-gbe8fbe718e35 (Aug 11 2023 - 08:38:49 +0000) + + DRAM: 4 GiB + Core: 51 devices, 14 uclasses, devicetree: board + Flash: 64 MiB + Loading Environment from Flash... *** Warning - bad CRC, using default environment + + In: serial,usbkbd + Out: serial,vidconsole + Err: serial,vidconsole + Bus xhci_pci: Register 8001040 NbrPorts 8 + Starting the controller + USB XHCI 1.00 + scanning bus xhci_pci for devices... 3 USB Device(s) found + Net: eth0: virtio-net#32 + Hit any key to stop autoboot: 0 + Scanning for bootflows in all bootdevs + Seq Method State Uclass Part Name Filename + --- ----------- ------ -------- ---- ------------------------ ---------------- + Scanning global bootmeth 'efi_mgr': + Scanning bootdev 'fw-cfg@9020000.bootdev': + fatal: no kernel available + scanning bus for devices... + Scanning bootdev 'virtio-blk#34.bootdev': + 0 efi ready virtio 2 virtio-blk#34.bootdev.par efi/boot/bootaa64.efi + ** Booting bootflow 'virtio-blk#34.bootdev.part_2' with efi + Using prior-stage device tree + Failed to load EFI variables + Error: writing contents + ** Unable to write file ubootefi.var ** + Failed to persist EFI variables + Missing TPMv2 device for EFI_TCG_PROTOCOL + Booting /efi\boot\bootaa64.efi + Error: writing contents + ** Unable to write file ubootefi.var ** + Failed to persist EFI variables + Welcome to GRUB! + +Standard boot looks through various available devices and finds the virtio +disks, then boots from the first one. After a second or so the grub menu appears +and you can work through the installer flow normally. + +After the installation, you can boot into the installed system by running QEMU +again without the drive argument corresponding to the installer CD image. + Enabling TPMv2 support ---------------------- -- 2.42.0