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170 Commits

Author SHA1 Message Date
Gregory Nutt
c7f5435637 Implement deferred IRQ locking. The rest of the support for Xtensa. Untested. 2016-12-23 11:56:45 -06:00
Gregory Nutt
cb1cc66d81 Implement deferred IRQ locking. Adds partial support for Xtensa. More is needed. 2016-12-23 11:39:44 -06:00
Gregory Nutt
5f9caad078 Xtensa ESP32: Correct copyright info; update some comments 2016-12-22 12:34:55 -06:00
Gregory Nutt
714e6f80ca Xtensa ESP32: Corrects a problem with dispatching to signal handlers: Cannot vector directly to the signal handling function as in other ABIs under the Xtensa Window ABI. In that case, we need to go through a tiny hook when performs the correct window call (call4) otherwise registers will be scrambled in the signal handler 2016-12-22 11:19:38 -06:00
Gregory Nutt
733a57b4df Xtensa SMP: Avoid a nasty situation in SMP by assuring that up_release_pending() is not re-entered. 2016-12-21 13:34:01 -06:00
Gregory Nutt
e5182acbe3 Xtensa ESP32: Make sure that SMP configuratin still builds without errors. 2016-12-19 14:12:19 -06:00
Gregory Nutt
e61549d8b9 Xtensa ESP32: Clean-up and fixes from last commits 2016-12-19 13:57:37 -06:00
Gregory Nutt
a9a39800a4 Xtensa ESP32: Fixes some double faults and user errors, but I do not fully understand why. 2016-12-19 11:14:08 -06:00
Gregory Nutt
886ce88b4f Xtensa ESP32: Automatically mount /proc at start-up. 2016-12-19 09:43:16 -06:00
Gregory Nutt
4bd530d026 Xtensa ESP32: Last change should be conditioned on the window ABI. 2016-12-18 13:17:31 -06:00
Gregory Nutt
665c1647b5 Xtensa ESP32: Need to spill registers to memory as the last dying action before switching to a new thread. 2016-12-18 12:54:47 -06:00
Gregory Nutt
586f0aab50 Fix context save logic when called in window ABI configuration. Add an IDLE stack. Don't depend on the mystery stack received from the bootloader. 2016-12-18 10:08:08 -06:00
Gregory Nutt
93e6d16f75 Xtensa ESP32: wsr, not rsr. 2016-12-17 11:23:10 -06:00
Gregory Nutt
a88c50d366 Xtensa ESP32: Need to clone some logic for syncrhonous context switch. Window spill logic in the conmon restores logic is inappropriate in this context 2016-12-17 11:00:12 -06:00
Gregory Nutt
6b80e5f15f Xtensa ESP32: Fix clobbered a9 in co-processor context save/restore 2016-12-17 11:00:12 -06:00
Gregory Nutt
8de1127899 Xtensa ESP32: Using wrong register to disable interrupts. 2016-12-17 11:00:12 -06:00
Gregory Nutt
38ebe6c13f Xtensa ESP32: Change that should have been included in a previous commit was not. 2016-12-17 08:11:32 -06:00
Gregory Nutt
05e798488b One register getting clobber on context save 2016-12-17 08:10:10 -06:00
Gregory Nutt
adbacfc42c Xtensa ESP32: Fix a duplicate in Kconfig files. Level 1 should return via RFE. 2016-12-17 07:07:33 -06:00
Gregory Nutt
6599feb310 Xtensa ESP32: Fixes a few issue with restoring registers on interrupt return, but there is still a problem 2016-12-16 17:56:22 -06:00
Gregory Nutt
cdd8dc72a5 Xtensa ESP32: Basically a redesign of the interrupt dispatch logic. 2016-12-16 15:36:52 -06:00
Gregory Nutt
34a994b0f6 Correct a logic problem the prevented dumping the IDLE thread's stack on an assertion 2016-12-16 13:21:01 -06:00
Gregory Nutt
6337fadd8c Missing escape character on CR of CR-LF expansion. 2016-12-16 10:49:42 -06:00
Gregory Nutt
935e49f5bb Update some comments 2016-12-16 09:38:08 -06:00
Gregory Nutt
f1a5b91cd8 Use r6, not r2 when passing paramters with call4 2016-12-16 09:21:44 -06:00
Gregory Nutt
41cf32a20e Fix windowspill register handling + Use r6, not r2 when passing paramters with call4 2016-12-16 09:20:36 -06:00
Gregory Nutt
aa5a8b0ca2 Xtensa: Make sure that all C callable assembly functions includes ENTRY prologue and RET epilogue. 2016-12-15 14:02:19 -06:00
Gregory Nutt
c56268b416 Fix missing CALL0 ABI condition. 2016-12-15 11:06:41 -06:00
Gregory Nutt
ea9e6c48e4 Cosmetic update to comments. 2016-12-15 10:43:34 -06:00
Gregory Nutt
10b9a10d2f Xtensa ESP32: Fix several build-related issues associated with vector section 2016-12-15 10:08:26 -06:00
Gregory Nutt
4052ec2d90 Add missing ENTRY() and RET() macros in C callable assembly language. At one time I though the that the ESP32 support the CALL0 ABI. I was mistaken so there may be a few more like this. 2016-12-14 12:14:51 -06:00
Gregory Nutt
d65be718c2 sched_note: Extend OS instrumentation to include some SMP events. 2016-11-27 17:14:57 -06:00
Gregory Nutt
e3fe320e08 SMP: Add support for linking spinlocks into a special, non-cached memory region. 2016-11-26 08:47:03 -06:00
Gregory Nutt
6a875bcb61 Xtensa: Add EXPERIMENTAL hooks to support lazy co-processor state restore in the future. 2016-11-16 06:48:13 -06:00
Gregory Nutt
c84db68103 Xtensa ESP32: Fix some compilation errors that snuck with some of the last changes 2016-11-14 13:29:08 -06:00
Gregory Nutt
b6d6b774e9 Xtensa: In this model, co-processor state restore must enable co-processors in CPENABLE. 2016-11-08 08:23:52 -06:00
Gregory Nutt
cfcc7edded Xtensa/ESP32: Add window spill logic; Add C++ support to linker script 2016-10-31 17:51:48 -06:00
Gregory Nutt
4d0b0e44f1 Xtensa/ESP32: Add up_cpu_idlestack() and fix some compile issues. 2016-10-31 14:56:48 -06:00
Gregory Nutt
28d1478480 Xtensa/ESP32: Add CPU1 startup logic 2016-10-31 13:15:15 -06:00
Gregory Nutt
a8e3f79494 Xtensa/ESP32: Add User Exception handler 2016-10-31 12:04:52 -06:00
Gregory Nutt
a787a99071 ESP32: Add inter-cpu interrupts 2016-10-31 08:29:28 -06:00
Gregory Nutt
6ff833e56e Forgot to add a file in the last commit 2016-10-30 15:40:42 -06:00
Gregory Nutt
85ed3dae9a Update some compilation issues 2016-10-30 15:38:51 -06:00
Gregory Nutt
a4c3fef0b7 Xtensa: Add more exception vectors. All just cause a PANIC now. 2016-10-30 12:20:11 -06:00
Gregory Nutt
fdede8099b Xtensa/ESP32: Add Level1 handler, panic handler, remove EXECHOOKS. 2016-10-30 10:57:57 -06:00
Gregory Nutt
eaa5968a22 Xtensa: Convert some CALL0 C calls to be compatible with Window ABI 2016-10-30 08:46:35 -06:00
Gregory Nutt
261e0edc61 Xtensa: Adapt co-processor state save/restore functions so that they are call-able from C with Windows ABI. 2016-10-30 08:35:09 -06:00
Gregory Nutt
c0da94fc3e Xtensa: Remove xtensa_macros.h; duplicates xtensa_abi.h 2016-10-30 07:45:28 -06:00
Gregory Nutt
8c96221093 Xtensa: Replace CONFIG_XTENSA_CALL0_ABI with compiler defined __XTENSA_CALL0_ABI__ 2016-10-30 07:37:51 -06:00
Gregory Nutt
dc82fa81b8 Xtensa: Remove XTENSA_EXTRA_SA_SIZE. It is not used. 2016-10-30 07:09:24 -06:00
Gregory Nutt
4997ec7a1e ESP32 Core V2: Add an SMP configuration to support development (not yet usable). 2016-10-29 14:56:07 -06:00
Gregory Nutt
c993a0267c Xtensa: Add Window vector 2016-10-29 12:30:24 -06:00
Gregory Nutt
804f9c5de7 Xtensa: Rename some files. 2016-10-29 11:24:02 -06:00
Gregory Nutt
d346f25aae Xtensa/ESP32: Fix some compile issues related to new co-processor logic 2016-10-29 10:27:46 -06:00
Gregory Nutt
4943b09ffa Xtensa: Remove co-processor ownership array. I think that this is not needed (but I might be wrong). 2016-10-29 09:50:51 -06:00
Gregory Nutt
ccf5b4e357 Xtensa: Cleanup of co-processor logic; remove some unnecessary things. 2016-10-29 09:36:33 -06:00
Gregory Nutt
2fa8b9ba34 Xtensa ESP32: Co-processor state is code complete but uncompiled and untested. 2016-10-28 13:03:25 -06:00
Gregory Nutt
9345c6f4db Xtensa: More co-processor save logic. Still not complete. 2016-10-28 11:56:35 -06:00
Gregory Nutt
a90d0bbf2e ESP32: A little more co-processor logic. Still not complete. 2016-10-28 11:19:23 -06:00
Gregory Nutt
b4b26285f1 ESP32: Add tie-asm.h 2016-10-28 10:53:14 -06:00
Gregory Nutt
be2a801e30 Xtensa: Add xtensa_coproc.h 2016-10-28 10:33:20 -06:00
Gregory Nutt
e93bcda8ae ESP32: Partial co-processor state save logic. Incomplete and will probably be redesigned. 2016-10-28 09:05:39 -06:00
Gregory Nutt
afcda29646 ESP32: Fix some warnings 2016-10-27 16:46:34 -06:00
Gregory Nutt
650757bbf0 ESP32: Add GPIO support 2016-10-26 12:11:24 -06:00
Gregory Nutt
d5fceadacd Xtensa: Fix some compilation issues 2016-10-25 12:34:23 -06:00
Gregory Nutt
2a59205ffa ESP32: Add CPU interrupt managmement logic; improve level interrupt decoding. 2016-10-25 12:02:53 -06:00
Gregory Nutt
818b0171d7 ESP32: Clock configuration is not yet implemented. ESP32 will be running a XTAL frequency. 2016-10-24 07:30:11 -06:00
Gregory Nutt
4cf60022ca Xtensa: Correct some compile issues 2016-10-23 16:25:55 -06:00
Gregory Nutt
2514ddec8b Xtensa: Add NMI handler 2016-10-23 16:24:09 -06:00
Gregory Nutt
261eec110b Xtensa: Mismatched #endif 2016-10-23 14:19:08 -06:00
Gregory Nutt
9a9488ae92 ESP32: Fix heap initialization 2016-10-23 14:20:03 -06:00
Gregory Nutt
6bbe55602c Xtensa: Add tie.h 2016-10-23 13:25:41 -06:00
Gregory Nutt
1fcced12eb Xtensa: Timer code now compiles okay 2016-10-23 11:31:48 -06:00
Gregory Nutt
2b33768d09 Xtensa: Revert back to some XCHAL naming 2016-10-23 10:39:51 -06:00
Gregory Nutt
bf363d103b Merge branch 'esp32' of bitbucket.org:nuttx/nuttx into esp32 2016-10-23 10:47:31 -06:00
Gregory Nutt
9f06b13ffb Xtensa: Add core.h header file 2016-10-23 10:43:16 -06:00
Gregory Nutt
c3d76d56bc Xtensa: Fix some compilation issues 2016-10-23 10:06:30 -06:00
Gregory Nutt
09b462e419 Xtensa: Add region protected; Implement some missing signal handling logic. 2016-10-23 09:02:50 -06:00
Gregory Nutt
112b62a14e Xtensa: Correct variou compilation issues 2016-10-23 08:04:57 -06:00
Gregory Nutt
a9a4f6384d Xtensa: Add interrupt enable/disable controls. Add dummy timer and IRQ initialization. 2016-10-23 08:00:17 -06:00
Gregory Nutt
ea175cd98b Xtensa: Flesh out other interrupt handlers. Suppress nested interrupts, at least for now. 2016-10-23 07:08:19 -06:00
Gregory Nutt
75df09fd40 Remove support for software prioritization of interrupts 2016-10-23 06:37:28 -06:00
Gregory Nutt
2c83d79465 Xtensa: Remove 'virtual' interrupt support 2016-10-23 06:24:35 -06:00
Gregory Nutt
23b003c649 Xtensa: Some things in Kconfig are really core options, not user configurations. 2016-10-22 12:25:56 -06:00
Gregory Nutt
53de345f05 Xtensa: Add up_cpu_index() 2016-10-22 09:29:15 -06:00
Gregory Nutt
764ef72641 Xtensa: Restore XCHAL_ naming convenction 2016-10-22 09:03:43 -06:00
Gregory Nutt
1ea22b680d Xtensa: Add timer dispatch logic 2016-10-21 13:23:28 -06:00
Gregory Nutt
cf217c6e87 Xtensa: Fix a few more compilation issues 2016-10-21 11:24:23 -06:00
Gregory Nutt
c8fd15d315 Merge branch 'esp32' of bitbucket.org:nuttx/nuttx into esp32 2016-10-21 10:44:21 -06:00
Gregory Nutt
f07601a067 Xtensa: First cat at context switching functions 2016-10-21 10:43:59 -06:00
Gregory Nutt
7a007a1e8e ESP32: The ESP32 Core V2 board does not have any user controllable LEDs. 2016-10-21 07:35:56 -06:00
Gregory Nutt
363fe19ff6 Xtensa: Fix some compile issues 2016-10-20 16:42:37 -06:00
Gregory Nutt
7a89808deb ESP32: Add interrupt decode logic 2016-10-20 16:22:37 -06:00
Gregory Nutt
bd6633dd84 Xtensa: Add some data structures needed for SMP support. 2016-10-20 15:21:29 -06:00
Gregory Nutt
67c98baaea Xtensa: Add a missing include file 2016-10-20 14:28:13 -06:00
Gregory Nutt
520513f456 Xtensa: Add interrupt decode framework 2016-10-20 14:34:51 -06:00
Gregory Nutt
ed8377af72 Xtensa: More interrupt-related logic 2016-10-20 14:28:14 -06:00
Gregory Nutt
30c4a41332 Fix a few compile-related issues 2016-10-20 11:33:53 -06:00
Gregory Nutt
5c3afd088e Xtensa: A little more interrupt handling logic 2016-10-20 11:44:14 -06:00
Gregory Nutt
d75fb34b62 Xtensa: Fix some xtensa_context.S assemble issues 2016-10-20 08:58:33 -06:00