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[Qemu-devel] [Bug 424450] Re: FDC reset should reset the MSR
From: |
Launchpad Bug Tracker |
Subject: |
[Qemu-devel] [Bug 424450] Re: FDC reset should reset the MSR |
Date: |
Thu, 27 Oct 2016 04:17:18 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/424450
Title:
FDC reset should reset the MSR
Status in QEMU:
Expired
Bug description:
I believe that the MSR resgister should also be reset to zero on a
software reset. All of the FDC hardware I have does this. The current
code leaves the MSR as 0x80, which means that the controller is ready
for a write. The controller should not be ready for a write while in
reset.
fdc.c Line 899
/* Reset */
if (!(value & FD_DOR_nRESET)) {
+ fdctrl->msr = 0x00;
if (fdctrl->dor & FD_DOR_nRESET) {
FLOPPY_DPRINTF("controller enter RESET state\n");
}
} else {
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