On 11/24/25 3:47 PM, Timur Tabi wrote:
> On Wed, 2025-11-19 at 15:10 -0500, Joel Fernandes wrote:
>> sec2_falcon.reset(bar)?;
>> - if chipset > Chipset::GA100 {
>> + if booter_loader.flags() == BooterFlags::Secure {
>> sec2_falcon.dma_load(bar, &booter_loader)?;
>> } else {
>> sec2_falcon.pio_load(bar, &booter_loader, None)?;
>
> The problem with this is that it conflates (Non-)Secure IMEM with using
> PIO/DMA. I haven't looked
> at GA100 yet, but it's just coincidence that platforms that have Non-Secure
> IMEM sections also don't
> have (functioning) DMA hardware.
>
Hopper/Blackwell+ use PIO too. So the conflating could be a real
concern.
thanks,
--
John Hubbard
