On Mon, May 10, 2021 at 8:36 AM Alejandro Hernandez Samaniego <[email protected]> wrote: > > > > On Sun, May 9, 2021, 7:25 PM Alistair Francis <[email protected]> wrote: >> >> On Sat, May 8, 2021 at 6:30 PM Alejandro Hernandez Samaniego >> <[email protected]> wrote: >> > >> > Add support for MACHINE=qemuriscv64. >> > >> > $ runqemu nographic >> > >> > BIOS: >> > [tmp/deploy/images/qemuriscv64/baremetal-helloworld-image-qemuriscv64.elf] >> > MACHINE: [qemuriscv64] >> > >> > 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! >> > >> > Signed-off-by: Alejandro Enedino Hernandez Samaniego >> > <[email protected]> >> > --- >> > .../baremetal-examples/baremetal-helloworld_git.bb | 12 ++++++++++-- >> > 1 file changed, 10 insertions(+), 2 deletions(-) >> > >> > diff --git >> > a/meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb >> > >> > b/meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb >> > index ee945c1ff0..3b7b8193a7 100644 >> > --- >> > a/meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb >> > +++ >> > b/meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb >> > @@ -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" >> > >> > @@ -49,3 +50,10 @@ FILES_${PN} += " \ >> > ${base_libdir}/firmware/${BAREMETAL_BINNAME}.bin \ >> > ${base_libdir}/firmware/${BAREMETAL_BINNAME}.elf \ >> > " >> > + >> > +# RISC-V tunes set the BIOS, redefine since runqemu jumps there >> > +QB_DEFAULT_BIOS_qemuriscv64 = "${IMAGE_LINK_NAME}.elf" >> >> >> > Hey Alistair, > > The issue here is that the runqemu script doesn't have wiring to pass "-bios > none", if a Bios isn't defined the bios paremeter isn't passed at all and it > ends up booting to opensbi, if it makes more sense I can force "-bios none" > using QB_OPT_APPEND and unset QB_DEFAULT_BIOS >
yes that sounds good to me. > Cheers, > > Alejandro > >> >> You should also just be able to say `-bios none` and then use the >> -kernel argument as normal. >> >> Alistair >> >> > + >> > +# Use the medium-any code model for the RISC-V 64 bit implementation, >> > +# since medlow can only access addresses below 0x80000000 >> > +CFLAGS_append_qemuriscv64 = " -mcmodel=medany" >> > -- >> > 2.25.1 >> > >> > >> > >> > > > > >
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#151568): https://lists.openembedded.org/g/openembedded-core/message/151568 Mute This Topic: https://lists.openembedded.org/mt/82674159/21656 Group Owner: [email protected] Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
