On Thu, 12 Oct 2017 17:07:23 -0700 Alistair Francis <[email protected]> wrote:
> There are numorous QEMU machines that only have a single or a handful of > valid CPU options. To simplyfy the management of specificying which CPU > is/isn't valid let's create a property that can be set in the machine > init. We can then check to see if the user supplied CPU is in that list > or not. > > I have added the valid_cpu_types for some ARM machines only at the > moment. do you plan to complete work for other boards as well so that new interface would replace current opencoded checks across the tree? > Here is what specifying the CPUs looks like now: > > $ aarch64-softmmu/qemu-system-aarch64 -M netduino2 -kernel ./u-boot.elf > -nographic -cpu "cortex-m3" -S > QEMU 2.10.50 monitor - type 'help' for more information > (qemu) info cpus > * CPU #0: thread_id=24175 > (qemu) q > > $ aarch64-softmmu/qemu-system-aarch64 -M netduino2 -kernel ./u-boot.elf > -nographic -cpu "cortex-m4" -S > QEMU 2.10.50 monitor - type 'help' for more information > (qemu) q > > $ aarch64-softmmu/qemu-system-aarch64 -M netduino2 -kernel ./u-boot.elf > -nographic -cpu "cortex-m5" -S > qemu-system-aarch64: unable to find CPU model 'cortex-m5' > > $ aarch64-softmmu/qemu-system-aarch64 -M netduino2 -kernel ./u-boot.elf > -nographic -cpu "cortex-a9" -S > qemu-system-aarch64: Invalid CPU type: cortex-a9-arm-cpu > The valid types are: cortex-m3-arm-cpu, cortex-m4-arm-cpu > > V2: > - Rebase > - Reorder patches > - Add a Raspberry Pi 2 CPU fix > V1: > - Small fixes to prepare a series instead of RFC > - Add commit messages for the commits > - Expand the machine support to ARM machines > RFC v2: > - Rebase on Igor's work > - Use more QEMUisms inside the code > - List the supported machines in a NULL terminated array > > Alistair Francis (5): > netduino2: Specify the valid CPUs > bcm2836: Use the Cortex-A7 instead of Cortex-A15 > raspi: Specify the valid CPUs > xlnx-zcu102: Specify the valid CPUs > xilinx_zynq: : Specify the valid CPUs > > hw/arm/bcm2836.c | 2 +- > hw/arm/netduino2.c | 10 +++++++++- > hw/arm/raspi.c | 7 +++++++ > hw/arm/xilinx_zynq.c | 6 ++++++ > hw/arm/xlnx-zcu102.c | 17 +++++++++++++++++ > 5 files changed, 40 insertions(+), 2 deletions(-) >
