From: Peter Maydell <peter.maydell@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: Andrew Strauss <astrauss11@gmail.com>,
QEMU Developers <qemu-devel@nongnu.org>,
qemu-arm <qemu-arm@nongnu.org>
Subject: Re: [PATCH v3 1/2] semihosting/arm-compat: replace heuristic for softmmu SYS_HEAPINFO
Date: Fri, 18 Jun 2021 11:09:03 +0100 [thread overview]
Message-ID: <CAFEAcA-OtgCRHPayXBsVZ64mqP7-aJj8+TV4rrLTE6Jh8JcgXA@mail.gmail.com> (raw)
In-Reply-To: <CAFEAcA8t8q8pJNOOYK-zkDtME7hOWfXVUj3+HLVMRkFzY6Ei1g@mail.gmail.com>
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
next prev parent reply other threads:[~2021-06-18 10:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 16:57 [PATCH v3 0/2] semihosting/next (SYS_HEAPINFO) Alex Bennée
2021-06-15 16:57 ` [PATCH v3 1/2] semihosting/arm-compat: replace heuristic for softmmu SYS_HEAPINFO Alex Bennée
2021-06-17 19:22 ` Peter Maydell
2021-06-18 10:09 ` Peter Maydell [this message]
2021-06-18 15:01 ` Peter Maydell
2021-06-15 16:58 ` [PATCH v3 2/2] tests/tcg: port SYS_HEAPINFO to a system test Alex Bennée
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