Re: [Qemu-devel] [U-Boot] Support of latest qemux86-64

[Bin Meng]

On Wed, Nov 8, 2017 at 9:05 PM, Anton Gerasimov
<address@hidden> wrote:
> Adding Igor Mammedov to the loop.
>

Really add Igor Mammedov.

Igor, can you help look at this?

> On 11/08/2017 01:59 PM, Anton Gerasimov wrote:
>> To whoever might be interested: I've bisected qemu and the breaking
>> commit is 208fa0e43645edd0b0d8f838857dfc79daff40a8 (pc: make 'pc.rom'
>> readonly when machine has PCI enabled). It's just three lines added,
>> I'll paste the whole patch here. Not quite sure what can we do here though.
>>
>>
>>   diff --git a/hw/i386/pc.c b/hw/i386/pc.c
>>   index 22e16031b0..59435390ba 100644
>>   --- a/hw/i386/pc.c
>>   +++ b/hw/i386/pc.c
>>   @@ -1443,6 +1443,9 @@ void pc_memory_init(PCMachineState *pcms,
>>        option_rom_mr = g_malloc(sizeof(*option_rom_mr));
>>        memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
>>                               &error_fatal);
>>   +    if (pcmc->pci_enabled) {
>>   +        memory_region_set_readonly(option_rom_mr, true);
>>   +    }
>>        memory_region_add_subregion_overlap(rom_memory,
>>                                            PC_ROM_MIN_VGA,
>>                                            option_rom_mr,
>>
>>

Regards,
Bin