view packages/NEWS @ 3247:6a85fd724dd8

* packages/hal/cortexm/stm32/stm32f4discovery/*: New STM32F4-Discovery platform HAL package. * packages/ecos.db: Add STM32F4-Discovery platform HAL package and target records. * doc/sgml/doclist: Add STM32F4-Discovery doc file.
author jld
date Wed, 12 Jun 2013 13:20:07 +0000
parents ce7ee640986b
children 0e7f32e78b4d
line wrap: on
line source

* STMicroelectronics STM32F4-Discovery platform HAL by John Dallaway.
* Cortex-M STM32 F2 processor support with board support for STM3220G-EVAL
  and STM3240G-EVAL, along with many STM32 improvements. Contributed
  by eCosCentric Limited.
* Freescale KwikStik platform HAL by Tomas Frydrych.
* Actel SmartFusion variant HAL and BSP by Christophe Coutand.
* Freescale Kinetis variant HAL and BSP for TWR-K60N512 and TWR-K40X256
  including Freescale UART and Ethernet drivers by Ilija Kocho.
* SPI flash driver for Silicon Storage Technology (SST25xx devices)
  by Christophe Coutand.
* SPI flash driver for Atmel AT25DFxxx devices by Christophe Coutand.
* LPC17XX variant HAL and BSP for Olimex LPC-1766-STK board including
  ethernet, serial and wallclock drivers by Ilija Kocho.
* LM3S variant HAL, generic support for the LM3S800 CPUs, and BSP for
  Stellaris EK-LM3S811 board including ADC and I2C drivers by Christophe
* USB mass storage function driver by Christophe Coutand
* AT91 USB slave driver halting endpoint support by Christophe Coutand
* USB slave device driver for STM32 by Chris Holgate
* Support for dynamic data endpoint configuration in USB serial function
  device package by John Dallaway
* Support for dynamic data endpoint configuration in USB slave API by
  Chris Holgate
* Update to uSTL 1.4 by Simon Kallweit
* ADC device driver for AT91 by Christophe Coutand 
* Major update of lwIP stack to v1.3.2 by Simon Kallweit
* Port of uSTL 1.3 by Uwe Kindler
* Port of PDCurses 3.4 by Sergei Gavrikov

*********** eCos 3.0 release ************

* Port to Olimex LPC-L2294-1MB including ethernet and Flash drivers by
  Sergei Gavrikov
* Port to Olimex LPC-E2294 including ethernet and Flash drivers by
  Sergei Gavrikov
* Port to Olimex LPC-H2294 including Flash drivers by Sergei Gavrikov
* Intel Strataflash v2 flash driver contributed by eCosCentric Ltd.
* New Flash API with lots of new goodies.
* ADC device driver for EA2468 OEM board
* ADC device driver for LP24XXX devices.
* Cortex-M Architecture HAL contributed by eCosCentric Ltd.
* STM32 Variant HAL, STM3210E platform HAL, serial device driver,
  on-chip flash driver contributed by eCosCentric Ltd.
* Synthetic target framebuffer device driver contributed by
  eCosCentric Ltd
* Generic framebuffer support contributed by eCosCentric Ltd.
* PATI PC/104+ board from MPL elektronik by Steven Clugston
* Ethernet driver for LPC2xxx by Uwe Kindler.
* Ethernet phy driver for Mircrel KSZ8001 by Uwe Kindler.
* Generic ADC support contributed by eCosCentric Ltd.
* drivers for LPC2xxx on-chip flash, RTC, I2C and SPI from Hans Rosenfeld.
* Port to Embedded Artists LPC2468 OEM board by Uwe Kindler.
* USB serial class driver by Frank Pagliughi.
* FR30 arch, mb91301 variant and skmb91302 platform by Lars Poeschel.
* phyCORE-LPC2294/92 port including flash and CAN by Uwe Kindler.
* AT91 CAN driver by Uwe Kindler.
* AT91 Ethernet device driver for EMAC by John Eigelaar and Andrew Lunn. 
* MMC/SPI driver provided by eCosCentric Ltd.
* USB device driver for Philips D12.
* Port to ATMEL AT91SAM7X by John Eigelaar
* Freescale MAC7100 varient and SIva MACE1 platfrom by Ilija Koco.
* Coldfire architecture HAL, the mcf5272 varient HAL and the m5272c3
  platform HAL. Contributed by Enrico Piria.
* AT91 USB device driver by Oliver Munz and Andrew Lunn
* Port to the ATMEL AT91SAM7S by Oliver Munz and Andrew Lunn
* Improved varient support for the AT91
* Support for the Ethenet device on the NETARM devices.
* Added support for the AT91 based PhyCore.
* Added support for Exys XSEngine (PXA255) based system.
* Port of ezXML parser added.
* Port to the Keil MCB2100, Olimex P2106 and Olimex LPC-MT by Jani Monoses
* Generic support for the lpc2xxx, hal, serial and watchdog by Jani Monoses
* Support for generic IDE disks using PIO, by Iztok Zupet.
* Support for SPI on the eb55 by Savin Zlobec.
* Added support for the Atmel JTST board by Andrea Michelotti.
* Added support for the AIM711 contributed by Roland Cassebohm.
* Added the lwIP TCP/IP stack. 
* Added PPP network support. Contributed by Nick Garnett of eCosCentric.
* Added support for network under vmWare using the LANCE chipset. Contributed
  by Iztok Zupet. 
* Added support for FAT12/16 filesystems. Contributed by
  Savin Zlobec of Elatec Engineering.
* Support for Spanning Tree Protocol in the old OpenBSD stack
* Add support for GPS-4020 (embedded ARM7 GPS receiver/controller)
* Basic IPSEC and libipsec support. 
* Flash driver for SST 39VFXXX devices
* Wall clock driver for Synthetic target.
* New port to TAMS MOAB (PowerPC 405GPr) development board
* FLASH layer can now support NAND devices
* RedBoot 'fconfig' data can now be stored in either FLASH or EEPROM
* VNC server (remote access graphic system), contributed by
  Chris Garry  <>
* New port to Analogue & Micro Rattler (Motorola MPC8250)
* Improved support for ethernet PHY devices.
* Improved variant support for Motorola Power-QUICC2 systems.
* Vastly improved networking speeds in RedBoot stack.
* New port for Motorola PrPMC1100 (Intel XScale IXC1100)
* SNTP client supports IPv6 multicast packets from time servers.
* DNS client support looking up IPv6 addresses and reverse lookups
* FTP client is IPv6 aware.
* httpd daemon is IPv6 aware.
* TFTP client and TFTP server now work with both IPv4 and IPv6.
* New port for Analogue & Micro Adder-II (PPC 852T) boards
* New ports for Intel XScale IXP425 boards (IXDP425 and Generic Residential
* Simple Network Time Protocol (SNTP) client contributed by Andrew Lunn.
* Added port for NMI uE250 (ARM Xscale PXA250) platform, contributed 
  by Mind, NV.

*********** eCos 2.0 release ************

* SNMP code now works with the FreeBSD stack
* Port added for IDT MIPS IDT79RC32334 reference platform, including Flash,
  ethernet, and serial drivers as well as RedBoot support. Contributed by
  Tim Michals working for IDT.
* Port added for Texas Instruments ARM9 OMAP Innovator board. Contributed by
  Patrick Doyle of Delphi Communication Systems.
* Add XScale PXA2x0 support, with Microplex Printer control 5.0 (mpc50)
  target incorporating flash support.
* Add support for Cogent CSB281 - PowerPC 8245 board.
* Add support for PowerPC 8260 based systems - one from Motorola (VADS)
  and another from Delphi Communications.  Contributed by Delphi.
* Add support for Analogue & Micro Adder (PowerPC 850) boards
* Update MN10300 ASB2303 HAL to support RedBoot
* New package for application level profiling (histogram only)
* Support for NPWR Linux Engine (Xscale IOP310) from Team ASA
* Support for Allied Telesyn TS1000 (PowerPC 855T based design)
* Yoshinori Sato has contributed a watchdog driver for the Hitachi H8/300H.
* Add AT91 watchdog driver. Contributed by Thomas Koeller of Basler Vision
* SMP support added for x86.
* Ported new networking stack from FreeBSD to eCos. Includes IPv6 support.
* Added generic power management support, plus platform support for the iPAQ.
* Ported Microwindows windowing graphics system. This port is still alpha.
* Added hooks in common ethernet driver for lwIP lightweight IP stack.
* Added RedBoot only ports to Samsung Calmrisc16 and Calmrisc32 architectures.
  Includes board ports to Calm16 Core and Calm32 Core eval boards. 
* Added Samsung ARM KS32c5000 SNDS100 eval board port including RedBoot and
  ethernet support. Contributed by Grant Edwards of Comtrol.
* eCos+RedBoot port to the Altera ARM9 Excalibur board. Includes FLASH driver.
* eCos+RedBoot port to Hitachi SH3-based HS7729PCI board, with SH 7729 CPU.
  Includes FLASH, ethernet, watchdog and wallclock drivers. The ethernet
  driver includes generic support for the VIA Rhine chipset.
* eCos+RedBoot port to Hitachi SH3-based Solution Engine SE77x9 board.
  Includes FLASH, ethernet, serial and watchdog drivers.
* eCos+RedBoot port to Hitachi SH4-based Solution Engine SE7751 board.
  Includes FLASH, ethernet, serial and watchdog drivers.
* Support for the SH2 core, and SH2 on-chip etherc added.
* Port to Matsushita AM33-2 based ASB2305 board added, including serial,
  ethernet and FLASH support.
* Ethernet, serial and USB drivers for NEC MIPS uPD985xx chip family added.
* RedBoot-only port to MIPS Malta evaluation board (Mips32 4Kc and Mips64 5Kc
  cores) added, including FLASH and ethernet support.
* Port to NEC MIPS VRC4375-based 'Blue Nile' evaluation board. Includes
  FLASH, serial and ethernet drivers (the latter being new support for the
  i21143 chipset).
* Ethernet driver for Intel i82544 Gigabit ethernet added.
* Support for Samsung ARM KS32C5000 on-core ethernet broken out into "generic"
* New architectural port to Fujitsu FR-V added. Initial board port to FR-V 400
  development board, including RedBoot support and ethernet and FLASH drivers.
  Currently pre-alpha quality only.
* Support added to port remote file operations using the remote protocol for
  newlib applications run under RedBoot.
* eCos+RedBoot port to Intel XScale IQ80321 port added, including FLASH,
  ethernet, and serial drivers.  
* ARM Integrator port rewritten. Now includes ARM9 support.
* RedBoot+eCos port to the Agilent ARM9-based AAED2000 evaluation board.
  Includes FLASH, ethernet, keyboard and touchscreen drivers.
* eCos relicensed to be under a GPL+exception licence, instead of the RHEPL.
* All eCos documentation now available in DocBook format, licensed under the
* CYGPKG_IO_ETH_DRIVERS now puts its headers in install/include/cyg/io/eth
* All platforms are now expected to be using Virtual Vectors. The
  removed so recently built applications will fail to run on
  boards that have old-style GDB stubs without VV support.
* Added ELF and wider decompression support to RedBoot.
* Added support for SuperH SH2 CPUs
* Added port for Motorola MCF5272c3 ColdFire evaulation board from 
  Wade Jensen <>.
* Added ports to Wuerz Elektronik and Axiom Manufacturing MPC555 based eval
  boards. Contributed by Bob Koninckx  <>
  from Katholieke Universiteit Leuven. Includes FLASH, serial and wallclock
* Added H8/300 port contributed by Yoshinori Sato  <>
  Initially for Akizuki H8/3068 board with ethernet and serial driver support,
  and H8/300H simulator.
* Added RedBoot support for remote file I/O operations using the GDB remote
* Added SPARC_LEON port contributed by Jiri Gaisler <> -
  see <> for information about the TSIM simulator
  and Leon project per se.
* Added port to CerfCube and CerfPDA, contributed by the manufacturer,
  Intrinsyc. Includes ethernet drivers.
* Added alpha of JFFS2 journalling flash file system v2 support.
* Add synthetic target synthetic flash driver, contributed by Andrew Lunn.
* CqREEK SH7750 FLASH driver added, contributed by Koichi Nagashima
* EDB7xxx ethernet driver rewritten to be a generic Cirrus Logic CS8900A
* Incorporated FTP client code (library and test) from Andrew Lunn.
* Incorporated ARM Development board aka INTEGRATOR port from Philippe Robin
  at ARM. Includes FLASH, ethernet and serial drivers, along with RedBoot
* Added ARM E7T (AEB-2) serial device drivers contributed by 
  Lars Lindqvist at Combitech <>
* Flash driver added for the SH EDK7708 platform.
* Added rudimentary ELF loader, including support for dynamic objects under
* DNS lookup support added. Contributed by Andrew Lunn <>
* Cogent [Cirrus Logic] EDB7312 platform added.
* Dallas wallclock driver implemented for x86 PC.
* AMD PCNet ethernet driver added.
* Generic SMP support added.
* RedBoot support added to AM33-STB port.
* Add Atmel AT91/EB40 port, including flash and serial drivers.
* Added HAL port to SEGA Dreamcast.
  Contributed by Takeshi Yaegashi <>
* Added port to Bright Star Engineering SA11x0 based Flexanet handheld board,
  including flash and ethernet support.
  Contributed by Jordi Colomer <>
* Added support for loading files from disk. Currently supports IDE drives
  with Linux EXT2 filesystems.
* Added wallclock driver for DS12887
* AM33 STB flash driver added.
* C library now supports multiple locales with multibyte character set support,
  and the possibility of plugging in more. Current locales supported
  are now C, C-SJIS, C-EUCJP and C-JIS.
* Major reorganization of x86 HAL. Support for RedBoot and PCI added, based on
  Fabrice Gautier's patches. i82559 ethernet driver added (Intel Etherexpress).
  Synthetic HAL redesigned and moved to separate hal/synth hierarchy.
* Added ethernet drivers for SMSC lan91cxx 
* Added driver for Motorola PowerPC 8xxT "Fast Ethernet Controller".
* Added support for Analogue & Micro "viper" - PowerPC 860T based
  board.  Currently this is only alpha since full test farm testing
  has not yet been started.  Includes RedBoot, Flash and FEC ethernet.
* RedBoot and eCos ported to Bright Star Engineering nanoEngine
  StrongARM SA1110 board, including Flash, watchdog, serial, ethernet
  drivers and PCI support.
* Added support for ARM Evaluator7T (e7t) board.
* Ported to Compaq StrongARM SA1110 PocketPC (iPAQ), including keypad,
  touch screen, watchdog, FLASH, PCMCIA and Compact Flash drivers.
  Also includes RedBoot, with support for booting ARM Linux.
  Derived from an initial port by Richard Panton of 3G Lab.
* Added flash verification checksums to RedBoot.
* Added watchdog driver for Intel SA11x0 StrongARM.
* Added generic Intel FlashFile 28Fxxx flash driver.
* Added generic Intel StrataFLASH driver.
* Support flash and ROMRAM startup for V850 HAL and Cosmo CEB board; also
  adding support for the NEC V850/SB1 CPU variant. Also support for
  thread debugging via ICE and gdbserv.
* Added support for MIPS32/64 MIPS variants and Atlas platform, using both
  the MIPS32 4Kc and MIPS64 5Kc processor modules. Includes PCI, serial,
  ethernet and flash drivers. This is a RedBoot-only port at this time, not
  full eCos.
* Added simple ROM based file system support, contributed by 
  Richard Panton of 3G Lab.
* Added support for MIPS PMC-Sierra RM7000 variant and Ocelot board, including
  PCI, ethernet and FLASH support.
* Added gzip/zlib decompression support to RedBoot.
* Added zlib decompression library.
* GDB stubs no longer reboot the board in response to a 'k' packet. Instead
  from within GDB a "maintenance packet r" must be sent, followed by a
  "detach". Then you can reconnect to the board.a
* Added generic AMD AM29xxxxx flash driver based on MBX driver, and make
  the MBX use it.
* Added RedBoot support to PID target.
* Added Atmel AT29C040 flash driver.
* Added Intel XScale support with the IQ80310 Software Development and
  Processor Evaluation Kit. Support includes flash and ethernet drivers,
  and RedBoot support.
* Added support for USB slave devices. This includes generic USB slave
  support, a device driver for the SA11x0 on-chip USB device, and an
  additional support package for developing USB-ethernet and similar
* Added POSIX cancellation points for the sigwait family of functions,
  pthread_join, pthread_cond_wait, pthread_cond_timedwait, sleep and
* Virtual vectors initialization can now be configured with a finer 
  granularity. Diagnostic output should also appear on the same channel
  (possibly ethernet) as the application was launched from.
* Added cyg_pci_find_matching() to PCI library API to allow more generalized
  matching on device properties.
* ARM EBSA285 now configured to use virtual vectors all the time. Users with
  old GDB stub ROM images should upgrade to newer GDB stub ROM images, or
  better still to RedBoot.
* Stack usage measurement has been added, with the functions
  pthread_measure_stack_usage() in the POSIX thread API and
  cyg_thread_measure_stack_usage() in the kernel C API.
* Thread stack checking support added. See CYGFUN_KERNEL_THREADS_STACK_CHECKING
  in the kernel CDL for information.
* Add syscall support to RedBoot for compatibility with newlib-based BSPs
* Bridge support added to the PCI library. Use cyg_pci_configure_bus() to
  configure all busses.
* Added a port to the Toshiba MIPS TX49 chip, with the REF4955 reference
  platform. This includes serial device driver and wallclock device driver
* PowerPC 40x variant support added.
* Added SH4 support. Split SH architecture HAL into variants in the process.
* Added SH4/CQ7750 platform support [still untested]
* Port to Intel SA1100 Multimedia evalulation board added, including serial
  device driver, FLASH driver and RedBoot support 
* FLASH driver added for PowerPC/MBX
* sigsetjmp() and siglongjmp() added
* A choice of getcwd() implementations have been added
* SH serial driver cleanup. SCIF driver added. SCI and SCIF drivers are
  now separate packages. SCIF driver uses full FIFO and can utilize
  DMA for transmit operations.
* Move logical ethernet "driver" into io/eth where the interface can be shared
  between multiple implementations, e.g. BSD TCP/IP and Red Boot's TCP/IP
* RedBoot - the Red Hat Bootstrap ROM monitor has been added, initially
  supporting ARM-EDB7xxx, ARM-EBSA285, and ARM-Assabet boards. Provides
  serial and ethernet GDB debugging support, flash image management and flash
  booting, BOOTP/DHCP and TFTP boot support and a CLI interface.
* Added PCMCIA and Compact Flash support, including drivers for the ARM-Assabet
* Added generic FLASH memory support
* Added flash memory support for ARM-EBSA285 and ARM-EDB7xxx boards
* Added Compact Flash Ethernet driver
* Hitachi SH7707a variant support added.
* Support added for both software and hardware flow control with an initial
  version of the latter available only for the ARM PID board at present.
* Loopback serial device driver added
* POSIX termios support added for EL/IX level 1 compatibility
* Improved dynamic memory management support in the memory allocator
  package. Existing dynamic memory support in the kernel (fixed and variable
  block allocators) and in libc (malloc, etc.) has been moved to this
  package, located at services/memalloc/common. It is now possible to support
  memory pools occupying all of remaining memory (as determined by the MLT).
  New memory allocators can be "plugged in", and an example of Doug Lea's
  malloc (dlmalloc) has been included.
* Plug-in filesystem support added, with a POSIX 1003.1 compatible API, found
  in the io/fileio package, and integrated with the C library.
* An initial example filesystem implementation is provided in fs/ram. This
  is a RAM filesystem that attempts to both be a useful tool in its own
  right and an example of how to write a filesystem that plugs into the
  fileio infrastructure.
  The source of the filesystem is in fs/ram/VERSION/src/ramfs.c and is
  intended to be largely self documenting. The General Description at
  the beginning of the file gives an overview of the structure of the
  system, and comments within the code explain specific points. This
  code should be read in conjunction with the description of the fileio
* Support added for POSIX 1003.1 threads, mutexes, semaphores, message queues,
  condition variables, clocks, timers and real-time signals in the POSIX
  compatibility package (part of the EL/IX compatibility initiative) found at
* Kernel enhanced with Asynchronous Service Routines (ASRs) which are routines
  called back at the point a thread is scheduled.
* Added (configurably) priority ceilings for kernel mutexes
* Support sorted thread queues in kernel, rather than LIFO, controlled by the
* The Kernel C API functions cyg_semaphore_wait() and cyg_cond_wait() now
  return booleans to indicate if the wait failed.
* Added enhanced form of kernel message queue which is more flexible at runtime
  than mboxes - available in <cyg/kernel/mqueue.hxx>
* Add a generic interface in <cyg/hal/hal_tables.h> to allow tables of
  data, particularly initialization data, to be included in an application
  image. This replaces the previous __DEVTAB__ and __NETDEVTAB__ references
  in linker scripts.
* Most standard top-level header files now controlled by the "isoinfra"
* C library package split into separate packages on functional boundaries:
  i18n, setjmp, signals, startup, stdio, stdlib, time
* Most targets now implement a standard form of "virtual vectors" - a
  mechanism to allow enhanced co-operation between ROM monitors and running
  applications. This allows the application to leave to the ROM things that
  the ROM supports rather than duplicating, including debug channels that may
  be via serial or ethernet. To take advantage of this, new GDB stub
  images/CygMon images should be programmed onto boards, although old images
  will continue to work - they will just not be able to use the new facilities.
* DHCP support has been added to the TCP/IP support, in addition to the
  existing BOOTP support
* CDL now supports type bool and booldata for interfaces
* CDL now exports extra macros in header files, to indicate package version
* A port of the University of California at Davis (UCD) SNMP stack has been
* Hitachi SH7709A variant support added
* NEC V85x architecture support added
* NEC Cosmo CEB-V850/SA1 evaluation board platform HAL added
* Serial device drivers added for systems based on NEC V850 SA1 (70F3017)
  or SB1 (70F3033) processors
* Hitachi SH3 CqREEK (cq7708) platform HAL support added
  Contributed by Haruki Kashiwaya
* Watchdog reworked much like wallclock.
  Common code and API in io/watchdog, simpler (smaller) low-level drivers in
* IO serial driver
  The common serial driver has been extended with a configurable option for
  a non-blocking read/write mode. It has also been given some new callbacks
  which allow low-level drivers to transfer data in blocks instead of as
  single characters.
  Now provides ROMRAM startup type, copying code and data to RAM before
  executing, improving performance at cost of memory.
* IO serial drivers reworked by separating into distinct platform
  packages, making it simpler to implement new drivers.
* WallClock reworked, making it simpler to implement new drivers.
  New drivers
  o SH3 RTC module

-------- eCos 1.3.1 public net release:

* New architectures and variants
  o ARM Thumb
  o ARM9
  o Hitachi SH3
  o Cirrus Logic CL-PS7111, EP72xx
  o Intel StrongARM
  o Matsushita AM33
  o NEC MIPS VR4300

* New platforms
  o ARM AEB-1 rev C
  o ARM PID support extended: ARM9, Thumb and big-endian
  o Cirrus Logic EDB7xxx
  o Cogent CMA222 and CMA230 ARM boards. (CMA222 contributed by Mark Salter)
  o Hitachi EDK7708
  o Intel x86 PC (base port contributed by Patrick O'Grady)
  o Intel EBSA285
  o Matsushita STB
  o Motorola MBX evaluation board
  o NEC VRC4373

* New hosts
  o Windows 2000 host support (beta)
  o Red Hat Linux 6.x (should work on other distributions, but only
    Red Hat Linux 6.x has been used for testing).

* Configuration system revised
  o Tools based on GPL'd configuration library (only tested on
    Windows and Red Hat Linux 6.x)
  o Tools available for both Windows (graphical) and Linux (CLI).
  o Target side configuration much more flexible now, even though
    existing configuration data has not yet been changed to take full
    advantage of the new features.

* TCP/IP stack and drivers [distributed in separate package]
  o OpenBSD based, supporting UDP, TCP and ICMP.
  o Motorola MBX (quicc) driver.
  o Cirrus Logic EDB7xxx driver.

* PCI bus library
  o Simple API for configuring PCI resources.
  o Intel EBSA285 HAL implementation.
  o NEC VRC4373 HAL implementation.

* New watchdog drivers
  o ARM AEB-1
  o Hitachi EDK7708
  o Intel EBSA285

* Debugging
  o Stack monitoring
    The file <cyg/kernel/test/stackmon.h> defines some functions
    that can be used to profile stack usage.

* API changes
  o KAPI
    include/kapi.h (cyg_thread_delete): is now a boolean function to
    indicate success.  Failure is when the thread needs to run in
    order to become killed.

* HAL changes
  o i386/linux
    The eCos idle loop will not load the host system anymore (except
    in special configurations, see linux_misc.c).
  o MIPS
    Split into arch/variant/platform hierarchy.
  o MN10300
    Split into arch/variant/platform hierarchy.
  o PowerPC
    Split into arch/variant/platform hierarchy.
    Major revamp of exception handling - _not_ backwards compatible
    (see vectors.S for the reasoning behind the change).
  o SPARClite
    Where supported by the targetted platform, it is now possible to
    use Multiple Vector Trapping (MVT).
  o ARM
    The ARM Multi-ICE JTAG debugging interface is now supported on the
    relevant platforms. eCos has also been extended to provide thread
    debugging when debugging via Multi-ICE.

* CygMon
  o Integration of CygMon ROM monitor into eCos by porting it on top
    of the eCos HAL

--------- eCos 1.2.1 public net release:

* Architectures and variants
  o Fujitsu SPARClite
  o Intel x86 [incomplete, unsupported]
  o Matsushita MN10300
  o Motorola PowerPC
  o Sharp LH77790 (ARM7DI core)
  o Toshiba TX39 (MIPS R3900 derivative)

* Platforms
  o ARM PID7T board
  o ARM AEB-1 board (rev B)
  o Cogent CMA287-23 (MPC823), CMA287-50 (MPC850), CMA286-60 (MPC860)
  o Fujitsu MB8683x boards
  o Linux/x86 Synthetic Target
  o Matsushita standard evaluation board
  o Matsushita standard evaluation board simulator
  o Motorola FADS board [unsupported] (contributed by Kevin Hester)
  o PSIM - PowerPC architectural simulator
  o Toshiba JMR3904 evaluation board
  o Toshiba JMR3904 evaluation board simulator
  o SIS - SPARClite simulator [unsupported]

* Hosts
  o Redhat Linux 4.2 and later
  o Solaris 2.5.1 and later
  o Windows NT 4.0SP3 and later
  o Windows 95/98 (Beta)