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I don't even know why using a lookup table fixes the object submission to be honest but the objects its submitting alos look completely screwed up

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starfrost013
2025-03-11 01:12:41 +00:00
parent dcd9cf9212
commit 363b2c2f4d
2 changed files with 43 additions and 11 deletions
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16
doc/nvidia_notes/NV3 DMA Engine.txt
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@@ -27,3 +27,19 @@ To set up DMA Cache1 Push: CACHE1_PUsh0 -> 1, changes to 0 when done
Set CACHES to 1
GO: Set DMA0 to 1
***** Implementation in Driver ******
You can dma to "localvidmem:", "sysvidmem:" or "sysmem:", this is represented by a driver
CAUSE OF FAILURE:
the pfifo is never free because it never processes the submitted objects
which means that the FIFO is never free
which means that the drivers spin forever waiting for the fifo to be free
DMA_OBJECT STRUCTURE IN RESOURCE MANAGER:
0x328: Valid
0x34c: base address?
0x374: actually do the transfer