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Re: [PATCH v3 1/2] semihosting/arm-compat: replace heuristic for softmmu
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH v3 1/2] semihosting/arm-compat: replace heuristic for softmmu SYS_HEAPINFO |
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Date: |
Fri, 18 Jun 2021 11:09:03 +0100 |
On Thu, 17 Jun 2021 at 20:22, Peter Maydell <peter.maydell@linaro.org> wrote:
> This will pick the first MR it finds that happens to be RAM (which
> could be some tiny thing). You don't want that, you want specifically
> whatever the board decided was the system RAM, which is the MemoryRegion
> MachineState::ram.
As a concrete example, on the mps3-an547 machine this code finds
the 512KB ITCM at 0x0 rather than the much more useful 2GB DRAM
at 0x6000_0000...
-- PMM