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Messages - isengaara

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Applications and Porting / Re: Porting Godot 4 to POWER9 and the Libre-SOC.
« on: September 23, 2021, 11:17:22 am »
Before getting embree working, I need to get Vulkan rendering on the CPU as there is no GPU on the Talos II.
On the Libre-SOC the CPU is the GPU, the PowerISA is extended to do GPU workloads at 2.5 Watts.
Minetest and other 3D OpenGL are playable on a quadcore Talos II, but Vulkan complains that there is
no DRI3 support.

lspci
0000:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0000:01:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961/SM963
0001:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0001:01:00.0 Audio device: Creative Labs Sound Core3D [Sound Blaster Recon3D / Z-Series] (rev 01)
0002:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0003:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0003:01:00.0 USB controller: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI Host Controller (rev 02)
0004:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0004:01:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe
0004:01:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe
0005:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0005:01:00.0 PCI bridge: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge (rev 04)
0005:02:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 41)

glxgears
5432 frames in 5.0 seconds = 1086.261 FPS
5643 frames in 5.0 seconds = 1128.498 FPS

./gears
WARNING: lavapipe is not a conformant vulkan implementation, testing use only.
vulkan: No DRI3 support detected - required for presentation
Note: you can probably enable DRI3 in your Xorg config
Could not find a graphics and/or presenting queue!

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Applications and Porting / Porting Godot 4 to POWER9 and the Libre-SOC.
« on: September 19, 2021, 09:41:03 am »
I tried to compile Godot 4 on my Talos II, it failed because the Talos II does not not use an Intel CPU. The embree library currently only runs on latest Intel CPUs and the Apple M1 afaik.

3
Talos II / Trying out GUIX on my Talos II
« on: April 10, 2021, 02:36:48 am »
I recently saw a post on the GUIX mailing list "Please review blog post draft: powerpc64le-linux support"

> I've been using the Free Software firmware replacement for the NIC
> since a while now and it's working great:
> https://github.com/meklort/bcm5719-fw/

So I compiled the firmware and installed it on my Talos II. When GUIX for powerpc64le-linux comes out, I will try out.

4
Operating Systems and Porting / Guix now running on the Talos II
« on: November 21, 2020, 06:49:01 am »
I've started porting GNU Guix to modern PowerPC hardware. Currently it runs on my Talos II in BigEndian mode. BigEndian because the 32 bit boostrap binaries already run on older PowerPC hardware which was usually operated in BigEndian Mode. The video for the port is here. The discussion will happen tomorrow.

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