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Re: [Qemu-ppc] [PATCH v3 01/10] ppc/pnv: add skeleton PowerNV platform
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-ppc] [PATCH v3 01/10] ppc/pnv: add skeleton PowerNV platform |
Date: |
Wed, 21 Sep 2016 09:32:14 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 |
On 09/20/2016 09:53 AM, David Gibson wrote:
> On Thu, Sep 15, 2016 at 02:45:51PM +0200, Cédric Le Goater wrote:
>> From: Benjamin Herrenschmidt <address@hidden>
>>
>> The goal is to emulate a PowerNV system at the level of the skiboot
>> firmware, which loads the OS and provides some runtime services. Power
>> Systems have a lower firmware (HostBoot) that does low level system
>> initialization, like DRAM training. This is beyond the scope of what
>> qemu will address in a PowerNV guest.
>>
>> No devices yet, not even an interrupt controller. Just to get started,
>> some RAM to load the skiboot firmware, the kernel and initrd. The
>> device tree is fully created in the machine reset op.
>>
>> Signed-off-by: Benjamin Herrenschmidt <address@hidden>
>> [clg: - updated for qemu-2.7
>> - replaced fprintf by error_report
>> - used a common definition of _FDT macro
>> - removed VMStateDescription as migration is not yet supported
>> - added IBM Copyright statements
>> - reworked kernel_filename handling
>> - merged PnvSystem and sPowerNVMachineState
>> - removed PHANDLE_XICP
>> - added ppc_create_page_sizes_prop helper
>> - removed nmi support
>> - removed kvm support
>> - updated powernv machine to version 2.8
>> - removed chips and cpus, They will be provided in another patches
>> - added a machine reset routine to initialize the device tree (also)
>> - french has a squelette and english a skeleton.
>> - improved commit log.
>> - reworked prototypes parameters
>> - added a check on the ram size (thanks to Michael Ellerman)
>> - fixed chip-id cell
>> - changed MAX_CPUS to 2048
>> - simplified memory node creation to one node only
>> - removed machine version
>> - rewrote the device tree creation with the fdt "rw" routines
>> - s/sPowerNVMachineState/PnvMachineState/
>> - etc.
>> ]
>> Signed-off-by: Cédric Le Goater <address@hidden>
>
> Looking pretty good, just a couple of minor details noted below.
I will add the fixes in v4.
Thanks,
C.
- [Qemu-ppc] [PATCH v3 00/10] ppc/pnv: loading skiboot and booting the kernel, Cédric Le Goater, 2016/09/15
- [Qemu-ppc] [PATCH v3 02/10] ppc/pnv: add a PnvChip object, Cédric Le Goater, 2016/09/15
- [Qemu-ppc] [PATCH v3 01/10] ppc/pnv: add skeleton PowerNV platform, Cédric Le Goater, 2016/09/15
- [Qemu-ppc] [PATCH v3 03/10] ppc/pnv: add a core mask to PnvChip, Cédric Le Goater, 2016/09/15
- [Qemu-ppc] [PATCH v3 04/10] ppc/pnv: add a PIR handler to PnvChip, Cédric Le Goater, 2016/09/15
- [Qemu-ppc] [PATCH v3 05/10] ppc/pnv: add a PnvCore object, Cédric Le Goater, 2016/09/15