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Re: [Qemu-arm] [Qemu-devel] [PATCH] hw/ssi/xilinx_spips: add lqspi_write
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH] hw/ssi/xilinx_spips: add lqspi_write routine |
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Date: |
Thu, 4 Jul 2019 11:42:54 +0100 |
On Thu, 4 Jul 2019 at 11:11, Philippe Mathieu-Daudé <address@hidden> wrote:
> However, looking at the datasheet 'UG1085 (v1.0) November 24, 2015',
> Chapter 22: Quad-SPI Controller, I understand this region is only
> accessible by the CPU in READ mode, as an AXI slave.
>
> So, if we model this, even logging LOG_GUEST_ERROR is incorrect, we
> should trap some AXI bus access error.
Well, that depends on what the decode and the device really do --
often datasheets are pretty sloppy and just describe what
software "should" do, not what the h/w does if software does
odd things...
thanks
-- PMM