Re: [PATCH 1/2] hw/hppa: Support up to 256 GiB RAM on 64-bit machines

[Helge Deller <deller@gmx.de>]

On 1/24/25 18:52, Philippe Mathieu-Daudé wrote:
> On 22/1/25 19:09, deller@kernel.org wrote:
>> From: Helge Deller <deller@gmx.de>
>>
>> Allow up to 256 GB RAM, which is the maximum a rp8440 machine (the very
>> last 64-bit PA-RISC machine) physically supports.
>>
>> Signed-off-by: Helge Deller <deller@gmx.de>
>> ---
>>   hw/hppa/hppa_hardware.h |  2 ++
>>   hw/hppa/machine.c       | 26 +++++++++++++++++++-------
>>   2 files changed, 21 insertions(+), 7 deletions(-)
>>
>> diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h
>> index a9be7bb851..a276240967 100644
>> --- a/hw/hppa/hppa_hardware.h
>> +++ b/hw/hppa/hppa_hardware.h
>> @@ -49,4 +49,6 @@
>>   #define CPU_HPA_CR_REG  7       /* store CPU HPA in cr7 (SeaBIOS internal) */
>>   #define PIM_STORAGE_SIZE 600    /* storage size of pdc_pim_toc_struct (64bit) */
>> +#define RAM_MAP_HIGH  0x0100000000  /* memory above 3.75 GB is mapped here */
>
> Should we use ull suffix?

I prefer not to add this suffix, as this file is shared as-is with SeaBIOS-hppa
sources and included by the hppa assembler.

Helge