Difference between revisions of "IPCCommandExample"

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(Created page with "=Request= {{IPC/Request}} {{#vardefine:ipc_offset|0}} {{IPC/RequestEntry|Header code [0x00040080]}} {{IPC/RequestEntry|GPU address based at 0x1EB00000, must be word-aligne...")
 
(As suggested by wwylele)
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{{IPC/RequestEnd}}
 
{{IPC/RequestEnd}}
  
The following is located 0x100-bytes after the beginning of the above command buffer:
+
{{IPC/RequestStaticBuffers}}
{{IPC/Request}}
 
 
{{#vardefine:ipc_offset|0}}
 
{{#vardefine:ipc_offset|0}}
 
{{IPC/RequestEntry|Header code [0x00040080]}}
 
{{IPC/RequestEntry|Header code [0x00040080]}}

Revision as of 15:46, 9 September 2016

Request

Index Word Description
0 Header code [0x00040080]
1 GPU address based at 0x1EB00000, must be word-aligned
2 Size, must be <=0x80 and word-aligned

The handler for this IPC command expects the following 0x100-bytes after the beginning of the above command buffer:

Index Word Description
0 Header code [0x00040080]
1 Descriptor for static buffer
2 Output buffer address

Response

Index Word Description
0 Header code
1 Result code
2 Descriptor for static buffer
3 Output data pointer

Description

The GPU register offset must be <0x420000.