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* Implement task profilingRandall Spangler2012-04-241-1/+13
| | | | | | | | | | | | | | Also tracks the distribution of IRQs, so we can see what's triggering interrupts. Task profiling is optional, enabled via CONFIG_TASK_PROFILING. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:7464 TEST=taskinfo Change-Id: I266f2b49bff9648cda446210d5a302b460fec244
* Re-enable watchdog in watchdog_reload()Randall Spangler2012-04-121-0/+9
| | | | | | | | | | | | | | | | Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:8971 TEST=manual waitms 1500 (see watchdog trace) waitms 1500 (should see watchdog trace again) waitms 3000 (should see trace, then system should reboot) Change-Id: Ieb5009d7a7bc9e1ed795e58efb0cb44a1eeb2706
* Change task messages to eventsRandall Spangler2012-04-061-47/+49
| | | | | | | | | | | | | Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:7461 TEST=manual make BOARD={bds,link,daisy} make tests flash link system and make sure it boots Change-Id: I1241a1895c083e387e38ddab01ac346ca4474eb9
* Support warm reboot from one EC image to another.Randall Spangler2012-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | This is necessary at init-time for verified boot to jump from RO to one of the RW images. It's also used by factory EC update to update one image and then jump to the updated image to finish the update. In this case, the x86 does NOT reboot. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:8449 TEST=manual 1) power on x86 and log in 2) sysjump a --> system is in a; x86 has not rebooted 3) sysjump ro --> system is back in RO; x86 has not rebooted 4) reboot -> system is in RO; x86 HAS rebooted Change-Id: I9dbadcf9775e146a0718abfd4ee0758b65350a87
* FPU controlVic Yang2012-02-161-0/+7
| | | | | | | | | | | | | Implement enable_fpu() and disable_fpu(). enable_fpu() disables interrupt and then enables FPU. disable_fpu() disables FPU and enables interrupt. Also added a CONFIG_FPU flag. BUG=chrome-os-partner:7920 TEST=none Change-Id: I2d71f396d9c7d7ac4a6a2d525f3d86f8aae87521 Signed-off-by: Vic Yang <victoryang@chromium.org>
* expand properly the IRQ number for IRQ declaration macroVincent Palatin2012-01-301-1/+1
| | | | | | | | | | | | Expand the macros before building the priority variable name in order to ensure we have a valid name. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=None TEST=check manually preprocessor expansion for several combinations. Change-Id: I926821d42c966ac674e7d24254c9f22779f93ca2
* Go back to SoC independant IRQ vectors declarationVincent Palatin2012-01-251-6/+5
| | | | | | | | | | | | | | | | | Preparatory work to introduce a second SoC : 1/5 Instead of putting hardcoded IRQ SoC name in the vector table, upgrade the DECLARE_IRQ macro to expand its argument. Also add a parameter to set the size of the NVIC table to save flash memory. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=None TEST=run EC on BDS and see timer IRQs firing. Change-Id: I44fefdabdd37d756492a71f24554979c72c1b50f
* Initial mutex implementationVincent Palatin2012-01-251-0/+15
| | | | | | | | | | | | | | | | | | | They are designed to protect shared hardware resources (e.g. I2C controller). Please refrain using them as a general purpose synchronization primitive for the tasks to avoid unintended slippery effects (e.g. priority inversion), use the provided message-passing functions instead for that purpose. The mutex variable (ie the "struct mutex") should be initially filled with 0, but this is the default compiler behavior if you declare it as a global variable. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=None TEST=make qemu-tests Change-Id: I328f7eadf5257560944dbbbeda0b99d5b24520e8
* Handle all GPIO IRQs. Interrupts no longer enabled by default.Randall Spangler2012-01-171-3/+3
| | | | | | | | | Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:7456 TEST=if it runs, it works Change-Id: Ib82afab7d53203af31eefc9887feb98679266ac1
* Use #defined constants for IRQ namesRandall Spangler2011-12-191-3/+4
| | | | | | | | | Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=none Change-Id: If07ac671cef6b9d0e9fe0a96bf04455a3d2626ff
* Add IRQ constants, and task functions to enable/disable/trigger IRQs.Randall Spangler2011-12-121-6/+20
| | | | | | | | | | | | | The constants don't work with the DECLARE_IRQ() macro yet, because it relies on stringizing the IRQ number. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=none Change-Id: Ie6ddecd79e28c319b095089131579ba994a17da3 (cherry picked from commit e24904644a977f2618f51629cc066b93a3d53595)
* Initial sources import 3/3Vincent Palatin2011-12-071-0/+95
source files mainly done by Vincent. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Change-Id: Ic2d1becd400c9b4b4a14d4a243af1bdf77d9c1e2
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