[yocto] Patch runqemu-internal in nativesdk
Moore, Thomas (FtWorth)
Thomas.Moore2 at ATK.COM
Tue Jan 27 13:41:39 PST 2015
Got it working. If anyone was curious, I utilized the patchdir flag:
SRC_URI_append = "file://runqemu_change_cpu_to_haswell.patch;patchdir=${WORKDIR}${COREBASE}"
Thomas
From: yocto-bounces at yoctoproject.org [mailto:yocto-bounces at yoctoproject.org] On Behalf Of Moore, Thomas (FtWorth)
Sent: Tuesday, January 27, 2015 11:57 AM
To: yocto at yoctoproject.org
Subject: [yocto] Patch runqemu-internal in nativesdk
My system has an Intel Core processor based on the Haswell architecture, and I'm using the corei7 tuning in my image. As it's currently implemented, the runqemu-internal script utilizes the core2dup cpu option when running the qemux86-64 QEMUARCH. However, in order to run my image with QEMU, I need to use the Haswell cpu option. While it's possible to run my image by adding 'qemuparams="-cpu Haswell"' to the runqemu command, I would like to change the cpu option in the runqemu-internal script as part of the nativesdk build so that users of the SDK don't have to mess with anything. I think this can be accomplished by appending the nativesdk-qemu-helper recipe to include a patch to make the simple change. However, it gets a little strange because the recipe includes the runqemu-internal script from the ${COREBASE} as such:
SRC_URI = "file://${COREBASE}/scripts/runqemu-internal<file:///\\$%7bCOREBASE%7d\scripts\runqemu-internal>"
Because of the dynamic nature of ${COREBASE}, I'm not exactly sure how to prepare my patch since the file will be located in some arbitrary folder within the ${WORKDIR}. I'm assuming I can do something creative in do_patch(), but I'm not sure where to start. Any suggestions?
Thanks,
Thomas
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