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[Qemu-devel] [Bug 1806824] Re: SIE-200 (TrustZone) MPC: BLK_MAX returns
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From: |
Alex Bennée |
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Subject: |
[Qemu-devel] [Bug 1806824] Re: SIE-200 (TrustZone) MPC: BLK_MAX returns an incorrect value |
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Date: |
Wed, 05 Dec 2018 11:05:02 -0000 |
As per https://www.qemu.org/contribute/report-a-bug/ could you please
provide:
- the command line you are using
- details about the guest you are running (or test case)
** Tags added: arm
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https://bugs.launchpad.net/bugs/1806824
Title:
SIE-200 (TrustZone) MPC: BLK_MAX returns an incorrect value
Status in QEMU:
New
Bug description:
Version:
$ qemu-system-arm --version
QEMU emulator version 3.0.92 (v3.1.0-rc2-31-gd522fba244)
Arm SIE-200 Technical Reference Manual describes that BLK_MAX
indicates the maximum value of "block based index register" (BLK_IDX).
For example, the value 1 would indicate that BLK_IDX can be 0 or 1.
According to my experiments, the AN505 FPGA image apparently follows
this behavior.
In the current implementation of QEMU, it appears to indicate the
number of possible values for BLK_IDX, i.e., one plus the value it's
supposed to return.
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