Mercurial > flash_v2

annotate packages/NEWS @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents 02ea4320376c
children 6bd9d475ed4b
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115
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1 * Move logical ethernet "driver" into io/eth where the interface can be shared
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2 between multiple implementations, e.g. BSD TCP/IP and Red Boot's TCP/IP
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3 stacks.
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4 * RedBoot - the Red Hat Bootstrap ROM monitor has been added, initially
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5 supporting ARM-EDB7xxx, ARM-EBSA285, and ARM-Assabet boards. Provides
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6 serial and ethernet GDB debugging support, flash image management and flash
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7 booting, BOOTP/DHCP and TFTP boot support and a CLI interface.
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8 * Added PCMCIA and Compact Flash support, including drivers for the ARM-Assabet
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9 board.
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10 * Added generic FLASH memory support
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11 * Added flash memory support for ARM-EBSA285 and ARM-EDB7xxx boards
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12 * Added Compact Flash Ethernet driver
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13 * Hitachi SH7707a variant support added.
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14 * Support added for both software and hardware flow control (the latter
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15 initially only for the ARM PID board)
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16 * Loopback serial device driver added
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17 * POSIX termios support added for EL/IX level 1 compatibility
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18 * Improved dynamic memory management support in the memory allocator
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19 package. Existing dynamic memory support in the kernel (fixed and variable
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20 block allocators) and in libc (malloc, etc.) has been moved to this
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21 package, located at services/memalloc/common. It is now possible to support
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22 memory pools occupying all of remaining memory (as determined by the MLT).
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23 New memory allocators can be "plugged in", and an example of Doug Lea's
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24 malloc (dlmalloc) has been included.
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25 * Plug-in filesystem support added, with a POSIX 1003.1 compatible API, found
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26 in the io/fileio package, and integrated with the C library.
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27 * An initial example filesystem implementation is provided in fs/ram. This
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28 is a RAM filesystem that attempts to both be a useful tool in its own
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29 right and an example of how to write a filesystem that plugs into the
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30 fileio infrastructure.
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31 The source of the filesystem is in fs/ram/VERSION/src/ramfs.c and is
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32 intended to be largely self documenting. The General Description at
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33 the beginning of the file gives an overview of the structure of the
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34 system, and comments within the code explain specific points. This
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35 code should be read in conjunction with the description of the fileio
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36 infrastructure.
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37 * Support added for POSIX 1003.1 threads, mutexes, semaphores, message queues,
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38 condition variables, clocks, timers and real-time signals in the POSIX
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39 compatibility package (part of the EL/IX compatibility initiative) found at
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40 compat/posix.
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41 * Kernel enhanced with Asynchronous Service Routines (ASRs) which are routines
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42 called back at the point a thread is scheduled.
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43 * Added (configurably) priority ceilings for kernel mutexes
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44 * Support sorted thread queues in kernel, rather than LIFO, controlled by the
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45 CYGIMP_KERNEL_SCHED_SORTED_QUEUES option.
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46 * The Kernel C API functions cyg_semaphore_wait() and cyg_cond_wait() now
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47 return booleans to indicate if the wait failed.
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48 * Added enhanced form of kernel message queue which is more flexible at runtime
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49 than mboxes - available in <cyg/kernel/mqueue.hxx>
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50 * Add a generic interface in <cyg/hal/hal_tables.h> to allow tables of
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51 data, particularly initialization data, to be included in an application
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52 image. This replaces the previous __DEVTAB__ and __NETDEVTAB__ references
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53 in linker scripts.
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54 * Most standard top-level header files now controlled by the "isoinfra"
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55 package
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56 * C library package split into separate packages on functional boundaries:
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57 i18n, setjmp, signals, startup, stdio, stdlib, time
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58 * Most targets now implement a standard form of "virtual vectors" - a
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59 mechanism to allow enhanced co-operation between ROM monitors and running
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60 applications. This allows the application to leave to the ROM things that
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61 the ROM supports rather than duplicating. It also will permit network
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62 debugging in future. To take advantage of this, new GDB stub
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63 images/CygMon images should be programmed onto boards.
112
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64 * DHCP support has been added to the TCP/IP support, in addition to the
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65 existing BOOTP support
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66 * CDL now supports type bool and booldata for interfaces
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67 * CDL now exports extra macros in header files, to indicate package version
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68 numbers
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69 * A port of the University of California at Davis (UCD) SNMP stack has been
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70 added
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71 * Hitachi SH7709A variant support added
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72 * NEC V85x architecture support added
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73 * NEC Cosmo CEB-V850/SA1 evaluation board platform HAL added
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74 * Serial device drivers added for systems based on NEC V850 SA1 (70F3017)
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75 or SB1 (70F3033) processors
94
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76 * Hitachi SH3 CqREEK (cq7708) platform HAL support added
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77 Contributed by Haruki Kashiwaya
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78 * Watchdog reworked much like wallclock.
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79 Common code and API in io/watchdog, simpler (smaller) low-level drivers in
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80 devs/watchdog/<arch>.
86
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81 * IO serial driver
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82 The common serial driver has been extended with a configurable option for
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83 a non-blocking read/write mode. It has also been given some new callbacks
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84 which allow low-level drivers to transfer data in blocks instead of as
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85 single characters.
82
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86 * SH HAL
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87 Now provides ROMRAM startup type, copying code and data to RAM before
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88 executing, improving performance at cost of memory.
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89 * IO serial drivers reworked by separating into distinct platform
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90 packages, making it simpler to implement new drivers.
80
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91 * WallClock reworked, making it simpler to implement new drivers.
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92 New drivers
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93 o SH3 RTC module
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94
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95 -------- eCos 1.3.1 public net release:
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96
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97 * New architectures and variants
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98 o ARM Thumb
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99 o ARM9
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100 o Hitachi SH3
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101 o Cirrus Logic CL-PS7111, EP72xx
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102 o Intel StrongARM
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103 o Matsushita AM33
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104 o NEC MIPS VR4300
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105
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106 * New platforms
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107 o ARM AEB-1 rev C
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108 o ARM PID support extended: ARM9, Thumb and big-endian
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109 o Cirrus Logic EDB7xxx
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110 o Cogent CMA222 and CMA230 ARM boards. (CMA222 contributed by Mark Salter)
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111 o Hitachi EDK7708
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112 o Intel x86 PC (base port contributed by Patrick O'Grady)
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113 o Intel EBSA285
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114 o Matsushita STB
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115 o Motorola MBX evaluation board
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116 o NEC VRC4373
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117
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118 * New hosts
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119 o Windows 2000 host support (beta)
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120 o Red Hat Linux 6.x (should work on other distributions, but only
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121 Red Hat Linux 6.x has been used for testing).
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122
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123 * Configuration system revised
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124 o Tools based on GPL'd configuration library (only tested on
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125 Windows and Red Hat Linux 6.x)
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126 o Tools available for both Windows (graphical) and Linux (CLI).
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127 o Target side configuration much more flexible now, even though
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128 existing configuration data has not yet been changed to take full
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129 advantage of the new features.
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130
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131 * TCP/IP stack and drivers [distributed in separate package]
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132 o OpenBSD based, supporting UDP, TCP and ICMP.
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133 o Motorola MBX (quicc) driver.
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134 o Cirrus Logic EDB7xxx driver.
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135
76
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136 * PCI bus library
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137 o Simple API for configuring PCI resources.
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138 o Intel EBSA285 HAL implementation.
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139 o NEC VRC4373 HAL implementation.
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140
76
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141 * New watchdog drivers
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142 o ARM AEB-1
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143 o Hitachi EDK7708
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144 o Intel EBSA285
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145
76
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146 * Debugging
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147 o Stack monitoring
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148 The file <cyg/kernel/test/stackmon.h> defines some functions
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149 that can be used to profile stack usage.
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150
76
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151 * API changes
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152 o KAPI
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153 include/kapi.h (cyg_thread_delete): is now a boolean function to
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154 indicate success. Failure is when the thread needs to run in
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155 order to become killed.
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156
76
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157 * HAL changes
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158 o i386/linux
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159 The eCos idle loop will not load the host system anymore (except
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160 in special configurations, see linux_misc.c).
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161 o MIPS
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162 Split into arch/variant/platform hierarchy.
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163 o MN10300
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164 Split into arch/variant/platform hierarchy.
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165 o PowerPC
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166 Split into arch/variant/platform hierarchy.
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167 Major revamp of exception handling - _not_ backwards compatible
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168 (see vectors.S for the reasoning behind the change).
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169 o SPARClite
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170 Where supported by the targetted platform, it is now possible to
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171 use Multiple Vector Trapping (MVT).
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172
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173 * CygMon
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174 o Integration of CygMon ROM monitor into eCos by porting it on top
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175 of the eCos HAL
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176
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177 --------- eCos 1.2.1 public net release:
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178
76
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179 * Architectures and variants
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180 o ARM7TDMI
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181 o Fujitsu SPARClite
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182 o Intel x86 [incomplete, unsupported]
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183 o Matsushita MN10300
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184 o Motorola PowerPC
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185 o Sharp LH77790 (ARM7DI core)
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186 o Toshiba TX39 (MIPS R3900 derivative)
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187
76
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188 * Platforms
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189 o ARM PID7T board
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190 o ARM AEB-1 board (rev B)
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191 o Cogent CMA287-23 (MPC823), CMA287-50 (MPC850), CMA286-60 (MPC860)
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192 o Fujitsu MB8683x boards
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193 o Linux/x86 Synthetic Target
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194 o Matsushita standard evaluation board
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195 o Matsushita standard evaluation board simulator
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196 o Motorola FADS board [unsupported] (contributed by Kevin Hester)
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197 o PSIM - PowerPC architectural simulator
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198 o Toshiba JMR3904 evaluation board
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199 o Toshiba JMR3904 evaluation board simulator
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200 o SIS - SPARClite simulator [unsupported]
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201
76
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202 * Hosts
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203 o Redhat Linux 4.2 and later
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204 o Solaris 2.5.1 and later
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205 o Windows NT 4.0SP3 and later
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206 o Windows 95/98 (Beta)