Mercurial > flash_v2

annotate packages/NEWS @ 132:0ae0bc38e387 ecos-sw-2000-10-31

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Merge from eCos master repository on 2000-10-31-00:30:36-GMT
author jlarmour
date Tue, 31 Oct 2000 20:53:09 +0000
parents eb9fd8c04db3
children d2f49caf9e38
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132
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1 * FLASH driver added for PowerPC/MBX
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2 * sigsetjmp() and siglongjmp() added
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3 * A choice of getcwd() implementations have been added
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4 * SH serial driver cleanup. SCIF driver added. SCI and SCIF drivers are
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5 now separate packages. SCIF driver uses full FIFO and can utilize
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6 DMA for transmit operations.
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7 * Move logical ethernet "driver" into io/eth where the interface can be shared
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8 between multiple implementations, e.g. BSD TCP/IP and Red Boot's TCP/IP
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9 stacks.
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10 * RedBoot - the Red Hat Bootstrap ROM monitor has been added, initially
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11 supporting ARM-EDB7xxx, ARM-EBSA285, and ARM-Assabet boards. Provides
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12 serial and ethernet GDB debugging support, flash image management and flash
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13 booting, BOOTP/DHCP and TFTP boot support and a CLI interface.
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14 * Added PCMCIA and Compact Flash support, including drivers for the ARM-Assabet
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15 board.
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16 * Added generic FLASH memory support
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17 * Added flash memory support for ARM-EBSA285 and ARM-EDB7xxx boards
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18 * Added Compact Flash Ethernet driver
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19 * Hitachi SH7707a variant support added.
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20 * Support added for both software and hardware flow control with an initial
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21 version of the latter available only for the ARM PID board at present.
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22 * Loopback serial device driver added
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23 * POSIX termios support added for EL/IX level 1 compatibility
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24 * Improved dynamic memory management support in the memory allocator
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25 package. Existing dynamic memory support in the kernel (fixed and variable
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26 block allocators) and in libc (malloc, etc.) has been moved to this
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27 package, located at services/memalloc/common. It is now possible to support
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28 memory pools occupying all of remaining memory (as determined by the MLT).
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29 New memory allocators can be "plugged in", and an example of Doug Lea's
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30 malloc (dlmalloc) has been included.
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31 * Plug-in filesystem support added, with a POSIX 1003.1 compatible API, found
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32 in the io/fileio package, and integrated with the C library.
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33 * An initial example filesystem implementation is provided in fs/ram. This
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34 is a RAM filesystem that attempts to both be a useful tool in its own
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35 right and an example of how to write a filesystem that plugs into the
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36 fileio infrastructure.
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37 The source of the filesystem is in fs/ram/VERSION/src/ramfs.c and is
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38 intended to be largely self documenting. The General Description at
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39 the beginning of the file gives an overview of the structure of the
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40 system, and comments within the code explain specific points. This
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41 code should be read in conjunction with the description of the fileio
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42 infrastructure.
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43 * Support added for POSIX 1003.1 threads, mutexes, semaphores, message queues,
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44 condition variables, clocks, timers and real-time signals in the POSIX
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45 compatibility package (part of the EL/IX compatibility initiative) found at
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46 compat/posix.
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47 * Kernel enhanced with Asynchronous Service Routines (ASRs) which are routines
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48 called back at the point a thread is scheduled.
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49 * Added (configurably) priority ceilings for kernel mutexes
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50 * Support sorted thread queues in kernel, rather than LIFO, controlled by the
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51 CYGIMP_KERNEL_SCHED_SORTED_QUEUES option.
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52 * The Kernel C API functions cyg_semaphore_wait() and cyg_cond_wait() now
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53 return booleans to indicate if the wait failed.
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54 * Added enhanced form of kernel message queue which is more flexible at runtime
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55 than mboxes - available in <cyg/kernel/mqueue.hxx>
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56 * Add a generic interface in <cyg/hal/hal_tables.h> to allow tables of
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57 data, particularly initialization data, to be included in an application
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58 image. This replaces the previous __DEVTAB__ and __NETDEVTAB__ references
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59 in linker scripts.
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60 * Most standard top-level header files now controlled by the "isoinfra"
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61 package
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62 * C library package split into separate packages on functional boundaries:
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63 i18n, setjmp, signals, startup, stdio, stdlib, time
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64 * Most targets now implement a standard form of "virtual vectors" - a
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65 mechanism to allow enhanced co-operation between ROM monitors and running
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66 applications. This allows the application to leave to the ROM things that
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67 the ROM supports rather than duplicating, including debug channels that may
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68 be via serial or ethernet. To take advantage of this, new GDB stub
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69 images/CygMon images should be programmed onto boards, although old images
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70 will continue to work - they will just not be able to use the new facilities.
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71 * DHCP support has been added to the TCP/IP support, in addition to the
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72 existing BOOTP support
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73 * CDL now supports type bool and booldata for interfaces
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74 * CDL now exports extra macros in header files, to indicate package version
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75 numbers
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76 * A port of the University of California at Davis (UCD) SNMP stack has been
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77 added
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78 * Hitachi SH7709A variant support added
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79 * NEC V85x architecture support added
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80 * NEC Cosmo CEB-V850/SA1 evaluation board platform HAL added
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81 * Serial device drivers added for systems based on NEC V850 SA1 (70F3017)
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82 or SB1 (70F3033) processors
94
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83 * Hitachi SH3 CqREEK (cq7708) platform HAL support added
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84 Contributed by Haruki Kashiwaya
94
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85 * Watchdog reworked much like wallclock.
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86 Common code and API in io/watchdog, simpler (smaller) low-level drivers in
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87 devs/watchdog/<arch>.
86
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88 * IO serial driver
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89 The common serial driver has been extended with a configurable option for
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90 a non-blocking read/write mode. It has also been given some new callbacks
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91 which allow low-level drivers to transfer data in blocks instead of as
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92 single characters.
82
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93 * SH HAL
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94 Now provides ROMRAM startup type, copying code and data to RAM before
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95 executing, improving performance at cost of memory.
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96 * IO serial drivers reworked by separating into distinct platform
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97 packages, making it simpler to implement new drivers.
80
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98 * WallClock reworked, making it simpler to implement new drivers.
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99 New drivers
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100 o SH3 RTC module
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101
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102 -------- eCos 1.3.1 public net release:
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103
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104 * New architectures and variants
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105 o ARM Thumb
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106 o ARM9
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107 o Hitachi SH3
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108 o Cirrus Logic CL-PS7111, EP72xx
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109 o Intel StrongARM
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110 o Matsushita AM33
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111 o NEC MIPS VR4300
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112
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113 * New platforms
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114 o ARM AEB-1 rev C
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115 o ARM PID support extended: ARM9, Thumb and big-endian
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116 o Cirrus Logic EDB7xxx
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117 o Cogent CMA222 and CMA230 ARM boards. (CMA222 contributed by Mark Salter)
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118 o Hitachi EDK7708
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119 o Intel x86 PC (base port contributed by Patrick O'Grady)
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120 o Intel EBSA285
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121 o Matsushita STB
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122 o Motorola MBX evaluation board
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123 o NEC VRC4373
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124
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125 * New hosts
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126 o Windows 2000 host support (beta)
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127 o Red Hat Linux 6.x (should work on other distributions, but only
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128 Red Hat Linux 6.x has been used for testing).
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129
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130 * Configuration system revised
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131 o Tools based on GPL'd configuration library (only tested on
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132 Windows and Red Hat Linux 6.x)
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133 o Tools available for both Windows (graphical) and Linux (CLI).
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134 o Target side configuration much more flexible now, even though
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135 existing configuration data has not yet been changed to take full
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136 advantage of the new features.
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137
76
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138 * TCP/IP stack and drivers [distributed in separate package]
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139 o OpenBSD based, supporting UDP, TCP and ICMP.
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140 o Motorola MBX (quicc) driver.
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141 o Cirrus Logic EDB7xxx driver.
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142
76
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143 * PCI bus library
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144 o Simple API for configuring PCI resources.
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145 o Intel EBSA285 HAL implementation.
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146 o NEC VRC4373 HAL implementation.
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147
76
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148 * New watchdog drivers
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149 o ARM AEB-1
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150 o Hitachi EDK7708
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151 o Intel EBSA285
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152
76
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153 * Debugging
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154 o Stack monitoring
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155 The file <cyg/kernel/test/stackmon.h> defines some functions
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156 that can be used to profile stack usage.
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157
76
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158 * API changes
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159 o KAPI
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160 include/kapi.h (cyg_thread_delete): is now a boolean function to
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161 indicate success. Failure is when the thread needs to run in
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162 order to become killed.
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163
76
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164 * HAL changes
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165 o i386/linux
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166 The eCos idle loop will not load the host system anymore (except
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167 in special configurations, see linux_misc.c).
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168 o MIPS
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169 Split into arch/variant/platform hierarchy.
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170 o MN10300
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171 Split into arch/variant/platform hierarchy.
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172 o PowerPC
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173 Split into arch/variant/platform hierarchy.
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174 Major revamp of exception handling - _not_ backwards compatible
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175 (see vectors.S for the reasoning behind the change).
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176 o SPARClite
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177 Where supported by the targetted platform, it is now possible to
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178 use Multiple Vector Trapping (MVT).
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179
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180 * CygMon
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181 o Integration of CygMon ROM monitor into eCos by porting it on top
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182 of the eCos HAL
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183
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184 --------- eCos 1.2.1 public net release:
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185
76
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186 * Architectures and variants
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187 o ARM7TDMI
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188 o Fujitsu SPARClite
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189 o Intel x86 [incomplete, unsupported]
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190 o Matsushita MN10300
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191 o Motorola PowerPC
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192 o Sharp LH77790 (ARM7DI core)
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193 o Toshiba TX39 (MIPS R3900 derivative)
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194
76
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195 * Platforms
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196 o ARM PID7T board
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197 o ARM AEB-1 board (rev B)
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198 o Cogent CMA287-23 (MPC823), CMA287-50 (MPC850), CMA286-60 (MPC860)
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199 o Fujitsu MB8683x boards
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200 o Linux/x86 Synthetic Target
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201 o Matsushita standard evaluation board
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202 o Matsushita standard evaluation board simulator
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203 o Motorola FADS board [unsupported] (contributed by Kevin Hester)
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204 o PSIM - PowerPC architectural simulator
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205 o Toshiba JMR3904 evaluation board
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206 o Toshiba JMR3904 evaluation board simulator
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207 o SIS - SPARClite simulator [unsupported]
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208
76
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209 * Hosts
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210 o Redhat Linux 4.2 and later
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211 o Solaris 2.5.1 and later
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212 o Windows NT 4.0SP3 and later
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213 o Windows 95/98 (Beta)