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From: | John Paul Adrian Glaubitz |
Subject: | Re: Looking for advise on debugging a non-boot kernel on qemu-system-sh4 |
Date: | Tue, 26 Oct 2021 00:10:51 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 |
Hi Zoltan! On 10/23/21 15:22, BALATON Zoltan wrote: >> You either need to strip the kernel with "strip vmlinux" or use the image >> from arch/sh/ >> boot/zImage. > > I've actually used that kernel but looked at the wrong uncompressed size, > it's indeed just > 9.2MB when stripped so that should work. I was trying to debug further and > found two problems: > > Commit abb0cd93494 (accel/tcg: Split out log_cpu_exec) seems to have broken > -singlestep -d in_asm,cpu > output with sh after a delay slot. Since that commit I get: > (...) > This seems to take a wrong turn at the delayed branch and somehow ends up at > 0x8c800964 instead of > 0x8c801528 but I'm not sure where to look firther why. I'm cc-ing Richard for > both the -d cpu and > this hoping he has some more insight. Shall we open a bug report? Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@debian.org `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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