Memory Write/Read feature for remote memory access

[ThibFrgsGmz]

Hello,

For a project, I need two key features for our FSW that I didn't see as being natively available (or at least matching my need) and I'm having a hard time seeing how to implement it easily.

Could I have your advice please?

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Our FSW must have two key features:

1. The first is memory write consisting of a request and a response (TBC).

• The request must upload a binary buffer of arbitrary size to the address specified in the request content.
• The response must return a report indicating whether there was a problem during the upload.

2. The second is the memory read, also consisting of a request and a response.

• The read request indicates the address in memory and the size of the buffer to be retrieved.
• The response is the contents of the memory location (a memory dump).

Memory write would be used to reload a FSW, modify parameters at specific addresses, or configure electronic devices (DDR, sensor,...) arranged on an AMBA bus for example.

Memory read would be used to retrieve areas of memory for diagnostic purposes, or to more easily retrieve electronic device data.

From the GSE point of view, I imagine to have on the front-end GDS:

• For the write request, a field for the upload address and a field to the binary file to upload.
• For the read request, a field for the address, another for the buffer size. And also a path to the file to be filled with the memory dump (this file is not transmitted to the FSW, it is retrieved by the GSE for the response and where it puts the buffer content).

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What do you recommend?

How do you see it? Would a single component named e.g. "RemoteMemoryAccess" do on the FSW side, maybe two?
Are there any existing components that should be used as a base?