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baremetal-helloworld: Enable RISC-V 64 port

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Add support for MACHINE=qemuriscv64.

$ runqemu nographic

KERNEL: [tmp/deploy/images/qemuriscv64/baremetal-helloworld-image-qemuriscv64.bin]
MACHINE: [qemuriscv64]
FSTYPE: [bin]

runqemu - INFO - Running tmp/work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native/usr/bin/qemu-system-riscv64

Hello OpenEmbedded on RISC-V 64!

(From OE-Core rev: 31fde82640bf0d185eab55d2cbaf663c9faae801)

Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alejandro Hernandez Samaniego 2021-05-10 23:31:34 -06:00 committed by Richard Purdie
parent d875ba64e9
commit 4ba09d6a2b
2 changed files with 16 additions and 3 deletions
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5
meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb
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@ -4,7 +4,7 @@ DESCRIPTION = "These are introductory examples to showcase the use of QEMU to ru
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://LICENSE;md5=39346640a23c701e4f459e05f56f4449"
SRCREV = "99f4fa4a3b266b42b52af302610b0f4f429ba5e3"
SRCREV = "0bf9ea216e6f76be50726a3a74e527b7bbb0ad93"
PV = "0.1+git${SRCPV}"
SRC_URI = "git://github.com/aehs29/baremetal-helloqemu.git;protocol=https;branch=master"
@ -28,12 +28,13 @@ inherit baremetal-image
# machine that QEMU uses on OE, e.g. -machine virt -cpu cortex-a57
# but the examples can also be run on other architectures/machines
# such as vexpress-a15 by overriding the setting on the machine.conf
COMPATIBLE_MACHINE = "qemuarmv5|qemuarm|qemuarm64"
COMPATIBLE_MACHINE = "qemuarmv5|qemuarm|qemuarm64|qemuriscv64"
BAREMETAL_QEMUARCH ?= ""
BAREMETAL_QEMUARCH_qemuarmv5 = "versatile"
BAREMETAL_QEMUARCH_qemuarm = "arm"
BAREMETAL_QEMUARCH_qemuarm64 = "aarch64"
BAREMETAL_QEMUARCH_qemuriscv64 = "riscv64"
EXTRA_OEMAKE_append = " QEMUARCH=${BAREMETAL_QEMUARCH} V=1"

14
meta/classes/baremetal-image.bbclass
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@ -73,7 +73,19 @@ QB_DEFAULT_KERNEL ?= "${IMAGE_LINK_NAME}.bin"
QB_MEM ?= "-m 256"
QB_DEFAULT_FSTYPE ?= "bin"
QB_DTB ?= ""
QB_OPT_APPEND = "-nographic"
QB_OPT_APPEND_append = " -nographic"
# RISC-V tunes set the BIOS, unset, and instruct QEMU to
# ignore the BIOS and boot from -kernel
QB_DEFAULT_BIOS_qemuriscv64 = ""
QB_OPT_APPEND_append_qemuriscv64 = " -bios none"
# Use the medium-any code model for the RISC-V 64 bit implementation,
# since medlow can only access addresses below 0x80000000 and RAM
# starts at 0x80000000 on RISC-V 64
CFLAGS_append_qemuriscv64 = " -mcmodel=medany"
# This next part is necessary to trick the build system into thinking
# its building an image recipe so it generates the qemuboot.conf