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https://elinux.org/ARM_Hibernation
The swsusp framework provides hibernation support on mainline kernels. This page discusses adding that functionality to ARM.
https://patchwork.kernel.org/patch/798222/
May 19, 2011 · Anyway, here we go again, basic code to enable hibernation (suspend-to-disk) on ARM platforms. Any comments highly welcome. To use this, you need sleep.S modifications for your SoC type (to get __save/__restore_processor_state hooks).
https://elinux.org/images/b/b7/Dill-slides_1.pdf
Hibernation support for ARM • Minimum implementation – swsusp_arch_suspend Save current cpu state Call swsusp_save to snapshot memory Return control to swsusp_arch_suspend caller – swsusp_arch_resume Perform page copies of pages in the restore_pbelist – Copies pages from their restored location to their original location
https://hkg15.pathable.com/static/attachments/112407/1423779863.pdf
ARM hibernation basic support 3 Test hibernation using swap partition on SD-card: create swap partition on SD-card (512M) (can be done on regular PC) boot your device enable swap # mkswap <swap partition> -- set up swap area # swapon <swap partition> -- enable partition for swapping run smth - memtester can be used
https://github.com/russdill/linux/commit/498079e0d06d2c0bd575ab4114d16b09e1ff3111
This is the case e.g. for "secure" SoCs that have different sets of control registers and/or different CR reg access patterns. It's also the case e.g. for SoCs with L2 caches as the activation sequence there is SoC-dependent; a full off-on cycle for L2 is not done by the hibernation support code.
https://github.com/russdill/linux/commit/49d80fe10f549f83c2b8225e4571b490e506c515
I request you to specify the details regarding hibernation wrt android. P.S : One issue I am facing when I am doing hibernation shutdown or hibernation reboot is I am getting the following logs, [ 484.978881] usb usb1: USB disconnect, device number 1 [ 484.984222] usb 1-1: USB disconnect, device number 2
https://e2e.ti.com/support/legacy_forums/omap/f/447/t/70850?ARM-hibernation
Feb 11, 2014 · All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose ...
http://patchwork.ozlabs.org/patch/99297/
Jun 07, 2011 · On Tue, 7 Jun 2011, Rafael J. Wysocki wrote: > On Tuesday, June 07, 2011, Frank Hofmann wrote: [ ... ] >> * there's kind of a circular dependency between CONFIG_HIBERNATION and >> CONFIG_PM_SLEEP, on ARM. The latter is necessary so that cpu_suspend >> and cpu_resume are compiled in, but it cannot be selected via >> ARCH_HIBERNATION_POSSIBLE because …
https://community.nxp.com/thread/252990
Sep 27, 2011 · Im working on a freescale imx53 board with android 2.3 running on it. I'm trying add hibernation support for it. The kernel version im using is, 2.6.35, which doesn't have hibernation support for Cortex A8 series.Reviews: 5
https://developer.arm.com/docs/101104/latest/functional-description/power-control-infrastructure/wake-from-hibernation-using-pd_sys-power-control-q-channel-interface
Arm recommends that you do not depend on the PD_SYS power control Q-Channel interface to wake the system from hibernation and instead use interrupt signals on the EWC. This allows a request to wake a core which then in turn wakes the system and configures it before allowing other masters to access it.
https://e2e.ti.com/support/legacy_forums/omap/f/447/t/70850?ARM-hibernation
Feb 11, 2014 · All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose ...
http://patchwork.ozlabs.org/patch/99297/
Jun 07, 2011 · On Tue, 7 Jun 2011, Rafael J. Wysocki wrote: > On Tuesday, June 07, 2011, Frank Hofmann wrote: [ ... ] >> * there's kind of a circular dependency between CONFIG_HIBERNATION and >> CONFIG_PM_SLEEP, on ARM. The latter is necessary so that cpu_suspend >> and cpu_resume are compiled in, but it cannot be selected via >> ARCH_HIBERNATION_POSSIBLE because …
http://techland.time.com/2013/07/09/its-time-for-windows-rt-to-hibernate/
Jul 09, 2013 · Although Microsoft is unlikely to kill Windows RT outright, maybe it’s time for the ill-conceived operating system to fade away for a while. With poor sales, hardly any hardware support, and the potential to cause confusion with Windows 8, Windows RT is better off in hiding, while Windows 8 gets the entire spotlight to itself.
https://developer.arm.com/ip-products/processors/cortex-m/cortex-m0-plus
Arm Support. Arm training courses and on-site system-design advisory services enable licensees to efficiently integrate the Cortex-M0+ processor into their design to realize maximum system performance with lowest risk and fastest time-to-market. Arm training courses Arm Design Reviews Open a support …
http://lkml.iu.edu/hypermail/linux/kernel/1403.2/01447.html
Enable hibernation for ARM architectures and provide ARM architecture specific calls used during hibernation. The swsusp hibernation framework depends on the platform first having functional suspend/resume. Then, in order to enable hibernation on a given platform, a platform_hibernation_ops structure may need to be registered with
http://patchwork.ozlabs.org/patch/96434/
On Mon, May 23, 2011 at 11:01:32AM +0100, Dave Martin wrote: > On Fri, May 20, 2011 at 07:05:10PM +0100, Russell King - ARM Linux wrote: > > Out of the list you mention above, the only thing which isn't saved are the > > FIQ registers, and that's a problem for S2RAM too, and should be done by > > arch/arm/kernel/fiq.c hooking into the suspend paths. > > The alternative view is that the driver ...
http://lkml.iu.edu/hypermail/linux/kernel/1403.2/02342.html
When I try to make the hibernation snapshot image, the kernel hint "NULL pointer dereference", when enter the "swsusp_arch_suspend" function. This function comes from the first patch link. The function is called in file tuxonice_builtin.c , the code snappit is showed below:
http://infocenter.arm.com/help/topic/com.arm.doc.101104_0200_00_en/chq1490790920817.html
Arm recommends that you do not depend on the PD_SYS power control Q-Channel interface to wake the system from hibernation and instead use interrupt signals on the EWC. This allows a request to wake a core which then in turn wakes the system and configures it before allowing other masters to access it.
https://embeddedlinuxconference2013.sched.com/event/14ZATCT/extending-the-swsusp-hibernation-framework-to-arm-russell-dill-texas-instruments-inc
This talk looks at bringing hibernation support to ARM, with a focus on OMAP. The presentation will include a brief technical overview of the swsusp framework (the mainline hibernation framework), followed by an in-depth discussion of implementations on AM33XX and OMAP3.
https://bear.org/bear-facts/black-bears/hibernation/
Chipmunk hibernation Black bear hibernation Preparation Eastern chipmunks (Tamias striatus) store food in a burrow system. ... Strong Arm Tactics. New Scientist News Service, February 21, 2001, Andy Coghlan Bears hardly lose any muscle when they hibernate, say zoologists at the University of Wyoming. ... Help support the North American Bear ...
https://www.youtube.com/watch?v=3hdbH-Ur-hE
Nov 15, 2013 · This talk looks at bringing hibernation support to ARM, with a focus on OMAP. The presentation will include a brief technical overview of the swsusp framework (the mainline hibernation …
https://community.nxp.com/docs/DOC-99733
Hibernation requires user create the hibernation image each time. The hibernation image stores memory information and can restore system then. File system has the inode and the related information also in the memory so it will be stored with hibernation images. This is good for most of PC, NB. But it is not practical for most embedded system.
https://lkml.org/lkml/2014/3/11/486
Mar 11, 2014 · Enable hibernation for ARM architectures and provide ARM architecture specific calls used during hibernation. The swsusp hibernation framework depends on the platform first having functional suspend/resume. Then, in order to enable hibernation on a given platform, a platform_hibernation_ops structure may need to be registered with
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