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[Qemu-devel] [Bug 842290] Re: MIPS Malta mini-bootloader print function
From: |
Andrew Drake |
Subject: |
[Qemu-devel] [Bug 842290] Re: MIPS Malta mini-bootloader print function has bad jump instruction |
Date: |
Tue, 06 Sep 2011 02:44:43 -0000 |
** Patch added: "Patch to mips_malta.c"
https://bugs.launchpad.net/bugs/842290/+attachment/2359348/+files/malta.patch
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https://bugs.launchpad.net/bugs/842290
Title:
MIPS Malta mini-bootloader print function has bad jump instruction
Status in QEMU:
New
Bug description:
One of the hardcoded bootloader library instructions in the MIPS Malta
mini-bootloader's print function is:
stl_raw(p++, 0x08000205); /* j 814
*/
Since this function is loaded at 0xbfc00808, this jump jumps to the
middle of nowhere. The properly-encoded instruction is:
stl_raw(p++, 0x0bf00205); /* j 814
*/
With this patch, the print function behaves as expected.
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