release notes: add release notes doc

Added release-notes.rst file.
Added MAINTAINER entry for the release notes.

Change-Id: Ia2e7645c905e709f014e7d971337bcfc9cb59597
Signed-off-by: Javier B Perez <[email protected]>

Author: Javier B Perez

MAINTAINERS

@@ -379,6 +379,13 @@ M:      Anas Nashif <[email protected]>
 S:	Supported
 F:	arch/x86/soc/intel_quark/quark_x1000/
 
+RELEASE NOTES
+M:      Anas Nashif <[email protected]>
+M:	Javier B Perez <[email protected]>
+M:	Kinder, David <[email protected]>
+S:	Supported
+F:	release-notes.rst
+
 SANITYCHECK
 M:	Andrew Boie <[email protected]>
 S:	Supported

release-notes.rst

@@ -0,0 +1,309 @@
+Zephyr Kernel 1.6.0 Release Notes
+#################################
+
+[Content: create executive summary]
+
+Major enhancements included with the release:
+
+* New Unified Kernel. The nano and micro kernel were removed.
+* The legacy API is still supported but deprecated. All the test were moved to tests/legacy.
+* Added Unified Kernel documentation.
+* Added support for ARM LTD Beetle SoC and V2M Beetle board.
+* Cleaned Build System and separated Kernel / Application build.
+* Added support for USB mass storage access to the internal filesystem.
+
+A detailed list of changes since v1.5.0 by component follows:
+
+Kernel
+******
+
+* Introduced Unified kernel.
+* Micro: Removed deprecated Tasks IRQs.
+* Removed deprecated dynamic interrupt API.
+* Added DLIST to operate in all elements of a doubly-linked list.
+* SLIST: Added sys_slist_get() to fetch and remove the head, also Added append_list and merge_slist.
+* Added nano_work_pending to check if it is pending execution.
+* ARM: Added choice to use floating point ABI.
+* Unified: Added support for k_malloc and k_free.
+* Renamed kernel objects event to alert and memory map to memory slab.
+* Changed memory pool, memory maps, message queues and event handling APIs.
+
+Architectures
+*************
+
+* ARC: Removed CONFIG_TIMER0_CLOCK_FREQ.
+* ARC: Unified linker scripts.
+* ARC: Removed dynamic interrupts.
+* ARM: Added NXP Kinetis kconfig options to configure clocks.
+* ARM: Removed dynamic interrupts and exceptions.
+* ARM: Atmel: Added constants and structures for watchdog registers.
+* x86: Removed dynamic interrupts and exceptions.
+* x86: Declared internal API for interrupt controllers.
+* x86: Changed IRQ controller to return -1 if cannot determine source vector.
+* x86: Grouped Quark SoC's under intel_quark family.
+* x86: Optimized and simplified IRQ and exception stubs.
+* Changed memory pool, memory maps, message queues and event handling APIs.
+
+Boards
+******
+
+* Renamed board Quark SE devboard to Quark SE C1000 devboard.
+* Renamed board Quark SE SSS devboard to Quark SE C1000 SS devboard.
+* Quark SE C1000: Disabled IPM and enabled UART0 on the Sensor SubSytem.
+* Removed basic_cortex_m3 and basic_minuteia.
+* Arduino 101: Removed backup/restore scripts use flashpack utility instead.
+* Renamed nRF52 Nitrogen to 96Boards Nitrogen.
+* Added ARM LTD Beetle SoC and V2M Beetle board.
+* SoC: Added Texas Instruments CC3200 LaunchXL support.
+* SoC: Added support for Nordic Semiconductor nRF51822.
+* SoC: Added support for ARM Cortex-M0/M0+.
+* Added support for NXP Hexiwear board.
+
+Drivers and Sensors
+*******************
+
+* SPI: Fixed typos in SPI port numbers.
+* Pinmux: Removed Quark dev unused file.
+* I2C: Added KSDK shim driver.
+* Ethernet: Added KSDK shim driver.
+* I2C: Changed config parameters to SoC specific.
+* QMSI: Implemented suspend and resume functions in WDT, I2C, SPI and AONPT.
+* Added HP206C sensor.
+* Changed config_info pointers to const.
+* Added support for SoCWatch driver.
+* Added FXOS8700 accelerometer / magnetometer sensor driver.
+
+Networking
+**********
+
+* [Content: component changes]
+
+Bluetooth
+*********
+
+* [Content: component changes]
+
+Build Infrastructure
+********************
+
+* Makefile: Changed outdir into board-specific directory to avoid build collisions.
+* Makefile: Changed to use HOST_OS environment variable.
+* Makefile: Added support for third party build systems.
+* printk: Added support for modifiers.
+* Sanity: Added support to filter using environment variables.
+* Sanity: Added support for multiple toolchains.
+* Sanity: Added ISSM and ARM GCC embedded toolchains to the supported toolchains.
+* Sanity: Added extra arguments to be passed to the build.
+* Sanity: Removed linker VMA/LMA offset check.
+* Sysgen: Added --kernel_type argument.
+* Modified build infrastructure to support unified kernel.
+* SDK: Zephyr: Added check for minimum required version.
+* Cleaned Build System and separated Kernel / Application build.
+
+Libraries
+*********
+
+* libc: Added subset of standard types in inttypes.h.
+* libc: Added support for 'z' length specifier.
+* libc: Removed stddef.h which is provided by the compiler.
+* libc: printf: Improved code for printing.
+* Imported Nordic MDK nRF51 files.
+* Imported Kinetis SDK Ethernet phy driver.
+* Imported SDK RNGA driver.
+* Imported get_maintainer.pl from kernel.
+* Added CoAP implementation for Zephyr.
+* File system: Added API to grow or shrink a file.
+* File system: Added API to get volume statistics.
+* File system: Added API to flush cache of an opened file.
+* QMSI: Updated to version 1.3.
+* HAL: Imported CC3200 SDK.
+
+Documentation
+*************
+
+* Drivers: Improved Zephyr Driver model.
+* Updated device power management API.
+* Unified Kernel primer.
+* Moved supported board information to the wiki.zephyrproject.org site.
+* Revised documentation for Kernel Event logger and Timing.
+
+Test and Samples
+****************
+
+* Fixed incorrect printk usage.
+* Removed test for dynamic exceptions.
+* Added USB sample.
+* Added microkernel support for the shell sample.
+* Added tests and samples for CoAP client and server.
+* Added philosophers unified sample.
+* Removed printf/printk wrappers.
+* Added Unified kernel API samples.
+* Imported tinycrypt test cases for CTR, ECC DSA and ECC DH algorithm.
+
+Deprecations
+************
+
+* Deprecated microkernel and nanokernel APIs.
+* Removed dynamic IRQs and exceptions.
+* Removed Tasks IRQs.
+
+JIRA Related Items
+******************
+
+Epic
+====
+
+* [ZEP-308] - Build System cleanup and Kernel / Application build separation
+* [ZEP-334] - Unified Kernel
+* [ZEP-760] - Clean up samples and sanitise them.
+* [ZEP-766] - USB Mass Storage access to internal filesystem
+* [ZEP-1090] - CPU x86 save/restore using new QMSI bootloader flow
+
+Story
+=====
+
+* [ZEP-48] - define API for interrupt controllers
+* [ZEP-233] - Support USB mass storage device class
+* [ZEP-237] - Support pre-built host tools
+* [ZEP-240] - printk/printf usage in samples
+* [ZEP-248] - Add a BOARD/SOC porting guide
+* [ZEP-328] - HW Encryption Abstraction
+* [ZEP-342] - USB DFU
+* [ZEP-451] - Quark SE output by default redirected to IPM
+* [ZEP-521] - ARM - add choice to floating point ABI selection
+* [ZEP-546] - UART interrupts not triggered on ARC
+* [ZEP-584] - warn user if SDK is out of date
+* [ZEP-614] - Port tinycrypt 2.0 test cases to Zephyr
+* [ZEP-622] - Add FS API to truncate/shrink a file
+* [ZEP-627] - Port Trickle support from Contiki into current stack
+* [ZEP-635] - Add FS API to grow a file
+* [ZEP-636] - Add FS API to get volume total and free space
+* [ZEP-640] - Remove dynamic IRQs/exceptions from Zephyr
+* [ZEP-653] - QMSI shim driver: Watchdog: Implement suspend and resume callbacks
+* [ZEP-654] - QMSI shim driver: I2C: Implement suspend and resume callbacks
+* [ZEP-657] - QMSI shim driver: AONPT: Implement suspend and resume callbacks
+* [ZEP-661] - QMSI shim driver: SPI: Implement suspend and resume callbacks
+* [ZEP-688] - unify duplicated sections of arch linker scripts
+* [ZEP-715] - Add K64F clock configurations
+* [ZEP-716] - Add Hexiwear board support
+* [ZEP-717] - Add ksdk I2C shim driver
+* [ZEP-718] - Add ksdk ethernet shim driver
+* [ZEP-721] - Add FXOS8700 accelerometer/magnetometer sensor driver
+* [ZEP-737] - Update host tools from upstream: fixdep.c
+* [ZEP-745] - Revisit design of PWM Driver API
+* [ZEP-750] - Arduino 101 board should support one configuration using original bootloader
+* [ZEP-758] - Rename Quark SE Devboard to its official name: Quark SE C1000
+* [ZEP-767] - Add FS API to flush cache of an open file
+* [ZEP-775] - Enable USB CDC by default on Arduino 101 and redirect serial to USB
+* [ZEP-783] - ARM Cortex-M0/M0+ support
+* [ZEP-784] - Add support for Nordic Semiconductor nRF51822 SoC
+* [ZEP-850] - remove obsolete boards basic_minuteia and basic_cortex_m3
+* [ZEP-906] - [unified] Add scheduler time slicing support
+* [ZEP-907] - Test memory pool support (with mailboxes)
+* [ZEP-908] - Add task offload to fiber support
+* [ZEP-909] - Adapt tickless idle + power management for ARM
+* [ZEP-910] - Adapt tickless idle for x86
+* [ZEP-911] - Refine thread priorities & locking
+* [ZEP-912] - Finish renaming kernel object types
+* [ZEP-916] - Eliminate kernel object API anomalies
+* [ZEP-920] - Investigate malloc/free support
+* [ZEP-921] - Miscellaneous documentation work
+* [ZEP-922] - Revise documentation for Kernel Event Logger
+* [ZEP-923] - Revise documentation for Timing
+* [ZEP-924] - Revise documentation for Interrupts
+* [ZEP-925] - API changes to message queues
+* [ZEP-926] - API changes to memory pools
+* [ZEP-927] - API changes to memory maps
+* [ZEP-928] - API changes to event handling
+* [ZEP-930] - Cutover to unified kernel
+* [ZEP-933] - Unified kernel ARC port
+* [ZEP-934] - NIOS_II port
+* [ZEP-935] - Kernel logger support (validation)
+* [ZEP-954] - Update device PM API to allow setting additional power states
+* [ZEP-957] - Create example sample for new unified kernel API usage
+* [ZEP-959] - sync checkpatch.pl with upstream Linux
+* [ZEP-981] - Add doxygen documentation to both include/kernel.h and include/legacy.h
+* [ZEP-989] - Cache next ready thread instead of finding out the long way
+* [ZEP-993] - Quark SE (x86): Refactor save/restore execution context feature
+* [ZEP-994] - Quark SE (ARC): Add PMA sample
+* [ZEP-996] - Refactor save/restore feature from i2c_qmsi driver
+* [ZEP-997] - Refactor save/restore feature from spi_qmsi driver
+* [ZEP-998] - Refactor save/restore feature from uart_qmsi driver
+* [ZEP-999] - Refactor save/restore feature from gpio_qmsi driver
+* [ZEP-1000] - Refactor save/restore feature from rtc_qmsi driver
+* [ZEP-1001] - Refactor save/restore feature from wdt_qmsi driver
+* [ZEP-1002] - Refactor save/restore feature from counter_qmsi_aonpt driver
+* [ZEP-1004] - Extend counter_qmsi_aon driver to support save/restore peripheral context
+* [ZEP-1005] - Extend dma_qmsi driver to support save/restore peripheral context
+* [ZEP-1006] - Extend soc_flash_qmsi driver to support save/restore peripheral context
+* [ZEP-1008] - Extend pwm_qmsi driver to support save/restore peripheral context
+* [ZEP-1030] - Enable QMSI shim drivers of SoC peripherals on the sensor subsystem
+* [ZEP-1045] - Add/Enhance shim layer to wrap SOC specific PM implementations
+* [ZEP-1046] - Implement RAM sharing between bootloader and Zephyr
+* [ZEP-1047] - Adapt to new PM related boot flow changes in QMSI boot loader
+* [ZEP-1106] - Fix all test failures from TCF
+* [ZEP-1107] - Update QMSI to 1.3
+* [ZEP-1109] - Texas Instruments CC3200 LaunchXL Support
+* [ZEP-1119] - move top level usb/ to sys/usb
+* [ZEP-1120] - move top level fs/ to sys/fs
+* [ZEP-1121] - Add config support for enabling SoCWatch in Zephyr
+* [ZEP-1188] - Add an API to retrieve pending interrupts for wake events
+* [ZEP-1191] - Create wiki page for Hexiwear board
+* [ZEP-1245] - ARM LTD V2M Beetle Support
+* [ZEP-1313] - porting and user guides must include a security section
+
+Task
+====
+
+* [ZEP-592] - Sanitycheck support for multiple toolchains
+* [ZEP-740] - PWM API: Check if 'flags' argument is really required
+
+Bug
+===
+
+* [ZEP-145] - no 'make flash' for Arduino Due
+* [ZEP-199] - Zephyr driver model is undocumented
+* [ZEP-471] - Ethernet packet with multicast address is not working
+* [ZEP-472] - Ethernet packets are getting missed if sent in quick succession.
+* [ZEP-517] - build on windows failed "zephyr/Makefile:869: *** multiple target patterns"
+* [ZEP-528] - ARC has 2 almost identical copies of the linker script
+* [ZEP-577] - Sample application source does not compile on Windows
+* [ZEP-601] - enable CONFIG_DEBUG_INFO
+* [ZEP-602] - unhandled CPU exceptions/interrupts report wrong faulting vector if triggered by CPU
+* [ZEP-615] - Un-supported flash erase size listed in SPI flash w25qxxdv driver header file
+* [ZEP-639] - device_pm_ops structure should be defined as static
+* [ZEP-686] - docs: Info in "Application Development Primer" and "Developing an Application and the Build System" is largely duplicated
+* [ZEP-698] - samples/task_profiler issues
+* [ZEP-707] - mem_safe test stomps on top of .data and bottom of .noinit
+* [ZEP-724] - build on windows failed: 'make: execvp: uname: File or path name too long'
+* [ZEP-733] - Minimal libc shouldn't be providing stddef.h
+* [ZEP-762] - unexpected "abspath" and "notdir" from mingw make system
+* [ZEP-777] - samples/driver/i2c_stts751: kconfig build warning from "select DMA_QMSI"
+* [ZEP-778] - Samples/drivers/i2c_lsm9ds0: kconfig build warning from "select DMA_QMSI"
+* [ZEP-779] - Using current MinGW gcc version 5.3.0 breaks Zephyr build on Windows
+* [ZEP-905] - hello_world compilation for arduino_due target fails when using CROSS_COMPILE
+* [ZEP-950] - USB: Device is not listed by USB20CV test suite
+* [ZEP-961] - samples: other cases cannot execute after run aon_counter case
+* [ZEP-1025] - Unified kernel build sometimes breaks on a missing .d dependency file.
+* [ZEP-1027] - Doccumentation for GCC ARM is not accurate
+* [ZEP-1048] - grove_lcd sample: sample does not work if you disable serial
+* [ZEP-1100] - Current master still identifies itself as 1.5.0
+* [ZEP-1101] - SYS_KERNEL_VER_PATCHLEVEL() and friends artificially limit version numbers to 4 bits
+* [ZEP-1130] - region `RAM' overflowed occurs while building test_hmac_prng
+* [ZEP-1141] - Tinycrypt SHA256 test fails with system crash using unified kernel type
+* [ZEP-1144] - Tinycrypt AES128 fixed-key with variable-text test fails using unified kernel type
+* [ZEP-1145] - system hang after tinycrypt HMAC test
+* [ZEP-1146] - zephyrproject.org home page needs technical scrub for 1.6 release
+* [ZEP-1149] - port ztest framework to unified kernel
+* [ZEP-1155] - Fix filesystem API namespace
+* [ZEP-1163] - LIB_INCLUDE_DIR is clobbered in Makefile second pass
+* [ZEP-1164] - ztest skip waiting the test case to finish its execution
+* [ZEP-1179] - Build issues when compiling with LLVM from ISSM (icx)
+* [ZEP-1226] - cortex M7 port assembler error
+* [ZEP-1287] - ARC SPI 1 Port is not working
+* [ZEP-1297] - test/legacy/kernel/test_mail: failure on ARC platforms
+* [ZEP-1299] - System can't resume completely with DMA suspend and resume operation
+* [ZEP-1303] - Configuration talks about >32 thread prios, but the kernel does not support it
+* [ZEP-1309] - ARM uses the end of memory for its init stack
+* [ZEP-1310] - ARC uses the end of memory for its init stack
+* [ZEP-1319] - Zephyr is unable to compile when CONFIG_RUNTIME_NMI is enabled on ARM platforms