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dev,gpu-compute: Use a TranslationGen in DmaVirtDevice.

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Use a TranslationGen to iterate over the translations for a region,
rather than using a ChunkGenerator with a fixed page size the device
needs to know.

Change-Id: I5da565232bd5282074ef279ca74e556daeffef70
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/50763
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Matthew Poremba <matthew.poremba@amd.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Matthew Poremba <matthew.poremba@amd.com>
This commit is contained in:
Gabe Black
2021-09-21 17:12:00 -07:00
parent 74c246d15b
commit 07c613ff5e
6 changed files with 25 additions and 39 deletions
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16
src/gpu-compute/gpu_command_processor.cc
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@@ -65,19 +65,15 @@ GPUCommandProcessor::hsaPacketProc()
return *hsaPP;
}
void
GPUCommandProcessor::translateOrDie(Addr vaddr, Addr &paddr)
TranslationGenPtr
GPUCommandProcessor::translate(Addr vaddr, Addr size)
{
/**
* Grab the process and try to translate the virtual address with it;
* with new extensions, it will likely be wrong to just arbitrarily
* grab context zero.
*/
// Grab the process and try to translate the virtual address with it; with
// new extensions, it will likely be wrong to just arbitrarily grab context
// zero.
auto process = sys->threads[0]->getProcessPtr();
if (!process->pTable->translate(vaddr, paddr)) {
fatal("failed translation: vaddr 0x%x\n", vaddr);
}
return process->pTable->translateRange(vaddr, size);
}
/**