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[Bug 1914535] Re: PL110 8-bit mode is not emulated correctly
From: |
Peter Maydell |
Subject: |
[Bug 1914535] Re: PL110 8-bit mode is not emulated correctly |
Date: |
Fri, 19 Feb 2021 16:56:43 -0000 |
Lucky I looked at your screenshot, as half the repro instructions are only
given in that!
When the guest gets to a shell prompt, one needs to type:
# fbset -depth 8
# fbset
# dd if=/dev/urandom of=/dev/fb0
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https://bugs.launchpad.net/bugs/1914535
Title:
PL110 8-bit mode is not emulated correctly
Status in QEMU:
New
Bug description:
When the emulated pl110/pl111 is switched programmatically to 8-bit
color depth mode, the display is drawn green and blue, but the real
PL110 displays grayscale in 8-bit mode.
The bug appears in qemu-system-arm version 3.1.0 (Debian
1:3.1+dfsg-8+deb10u8) and qemu-system-arm version 5.2.50
(v5.2.0-1579-g99ae0cd90d).
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- [Bug 1914535] [NEW] PL110 8-bit mode is not emulated correctly, Vadim Averin, 2021/02/04
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Peter Maydell, 2021/02/15
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Vadim Averin, 2021/02/15
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly,
Peter Maydell <=
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Vadim Averin, 2021/02/19
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Peter Maydell, 2021/02/19
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Vadim Averin, 2021/02/22
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Vadim Averin, 2021/02/24
- [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly, Peter Maydell, 2021/02/24