Message ID | cover.1506037164.git.alistair.francis@xilinx.com |
---|---|
Headers | show |
Series | Add a valid_cpu_types property | expand |
On Thu, Sep 21, 2017 at 4:41 PM, Alistair Francis <alistair.francis@xilinx.com> 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. > > 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: cortex-a9-arm-cpu > The valid options are: cortex-m3-arm-cpu, cortex-m4-arm-cpu > Any comments on this? Otherwise I'll prepare a patch series and start adding support for more machines. Thanks, Alistair > RFC v2: > - Rebase on Igor's work > - Use more QEMUisms inside the code > - List the supported machines in a NULL terminated array > > Alistair Francis (2): > machine: Add a valid_cpu_types property > netduino2: Specify the valid CPUs > > hw/arm/netduino2.c | 10 +++++++++- > hw/core/machine.c | 35 +++++++++++++++++++++++++++++++++++ > include/hw/boards.h | 1 + > 3 files changed, 45 insertions(+), 1 deletion(-) > > -- > 2.11.0 >
Hi Alistair, On 10/02/2017 03:42 PM, Alistair Francis wrote: > On Thu, Sep 21, 2017 at 4:41 PM, Alistair Francis > <alistair.francis@xilinx.com> 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. >> >> 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: cortex-a9-arm-cpu >> The valid options are: cortex-m3-arm-cpu, cortex-m4-arm-cpu >> > > Any comments on this? No negative comment, so far so good! > > Otherwise I'll prepare a patch series and start adding support for > more machines. Yes please, I'm waiting your work get merged to continue some SoC cleanups/improvements. > > Thanks, > Alistair > >> RFC v2: >> - Rebase on Igor's work >> - Use more QEMUisms inside the code >> - List the supported machines in a NULL terminated array >> >> Alistair Francis (2): >> machine: Add a valid_cpu_types property >> netduino2: Specify the valid CPUs >> >> hw/arm/netduino2.c | 10 +++++++++- >> hw/core/machine.c | 35 +++++++++++++++++++++++++++++++++++ >> include/hw/boards.h | 1 + >> 3 files changed, 45 insertions(+), 1 deletion(-) >> >> -- >> 2.11.0 >> >