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[Qemu-devel] Is Little endian supported by Qemu -prep

From: Tero Kaarlela
Subject: [Qemu-devel] Is Little endian supported by Qemu -prep
Date: Thu, 07 Apr 2005 10:02:37 +0300
User-agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.0.1) Gecko/20020919 IBM Web Browser for OS/2

Still working on OS/2 PPC edition bootloading. I got patch to ppc_prep.c from J Mayer to make it support non-continuous I/O map mode. It seemed to work ok. But catched bug in the further code after line mfspr r3,1008. I modified ppc_prep.c Processor version from 0x00080000 (g3) to 0x00040000 (604) and problem was fixed. Now it crashes after code:

 subfic r0,r0,-32690
 mtlr r0
 (LR = ffef7f1e)
 r0 was 0x00100130 to begin with

This error happens shortly after changinfg MSR state from 0x00000030 to 0x00000031 (change mode from Big-endian to Little endian) So might Little-endian be reason why LR goes nuts?:)

Tero Kaarlela

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