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dev-amdgpu: Add memory manager for GPU VRAM

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The memory manager is responsible for reading and writes to VRAM memory
for direct requests that bypass GPU caches.

Change-Id: I4aa1e77737ce52f2f2c01929b58984126bdcb925
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/51850
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Matthew Poremba
2021-10-20 15:22:57 -05:00
parent b7826f1329
commit 42b56ceb7b
6 changed files with 255 additions and 3 deletions
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6
src/dev/amdgpu/SConscript
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@@ -33,11 +33,13 @@ if not env['BUILD_GPU']:
Return()
# Controllers
SimObject('AMDGPU.py', sim_objects=['AMDGPUDevice', 'AMDGPUInterruptHandler']
, tags='x86 isa')
SimObject('AMDGPU.py', sim_objects=['AMDGPUDevice', 'AMDGPUInterruptHandler',
'AMDGPUMemoryManager'], tags='x86 isa')
Source('amdgpu_device.cc', tags='x86 isa')
Source('interrupt_handler.cc', tags='x86 isa')
Source('memory_manager.cc', tags='x86 isa')
Source('mmio_reader.cc', tags='x86 isa')
DebugFlag('AMDGPUDevice', tags='x86 isa')
DebugFlag('AMDGPUMem', tags='x86 isa')