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Make SimAXIMem start at expected memory base instead of zero #2628

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merged 1 commit into from
Sep 23, 2020

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KireinaHoro
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Type of change: feature request

Impact: no functional change

Development Phase: implementation

Release Notes

SimAXIMem currently assumes physical memory always starts at zero; this is not the case as it is possible to modify p(ExtMem).get.master.base for scenarios where the memory does not actually start there (e.g. when instantiating on Zynq FPGA and using the upper half of DRAM). This change adds support for this situation by reading the base of ExtMem and ExtBus from the parameters for instantiation.

@KireinaHoro KireinaHoro changed the title Make SimAXIMem start at expected memory boundary instead of zero Make SimAXIMem start at expected memory base instead of zero Sep 4, 2020
@KireinaHoro
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Hmm, I have no idea why the test failed; it passed before the default parameter change and the logs aren't so obvious about exactly what failed

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@sequencer sequencer left a comment

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Just re-trigger the test, seems passed yesterday.
Checked this module is non-used in our internal design nor chipyard, so it won't break anything.
@hcook any further suggestions?

@hcook hcook self-requested a review September 23, 2020 23:41
@sequencer sequencer merged commit a764c77 into chipsalliance:master Sep 23, 2020
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3 participants