This is now fixed in git master, in commit 619d54a8d854e797bf562, and
will be in the upcoming 4.0 release.
** Changed in: qemu
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1806824
Title:
SIE-200 (TrustZone) MPC: BLK_MAX returns an incorrect value
Status in QEMU:
Fix Committed
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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