Artesyn MOTLoad Firmware Package User's Manual (Febru User Manual Page 271
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Appendix E
MOTLoad Firmware Package User’s Manual (6806800C24D)
271
E Safe Start and Alternate Boot Image
E.1 Overview
MOTLoad supports a safe-start mechanism that enables customers to recover from
inadvertent board configurations that may cause performance degradation, inoperable
functionality, or even firmware boot failures. Recent versions of MOTLoad incorporate
Alternate Boot Image support as part of Safe Start. The concept of Alternate Boot Image
support is to enable a product to retain a pristine copy of MOTLoad firmware in the primary
boot block while enabling customers to select an alternate boot image such as an updated
version of MOTLoad, a Power On Self Test (POST), or even a bootable kernel or other desired
firmware. The primary boot block is intended to contain factory-injected firmware and remain
unchanged. Hence, customers can resort to the pristine copy of firmware to recover from
software-induced failure conditions.
E.2 Safe Start
Safe Start is typically controllable through an on-board jumper or switch option. MOTLoad’s
behavior under Safe Start may vary slightly between products but generally entails the
following:
With recent versions of MOTLoad, the MOTLoad boot loader invokes an interactive boot
menu that provides the capability to select an alternate boot image. If a user selects an
alternate MOTLoad image, the boot loader transfers control to the selected MOTLoad
image and the image continues in Safe Start. Note that the Safe-Start jumper or switch
option may not impact behavior of other types of boot images; for example, VxWorks.
MOTLoad ignores all GEVs. For example, MOTLoad disables the autoboot mechanism,
defined test suites, configurable POST, SCSI, and ATA probing performance
enhancements, and other configurations that are dependent on GEVs.
MOTLoad bypasses the use of VPD and SPD as configuration parameters.
Note: Without the use of VPD, MOTLoad does not provide Ethernet support for
embedded Ethernet controllers since MAC addresses of embedded Ethernet controllers
are resident in VPD storage.
MOTLoad disables use of VME operations for VME-based products. MOTLoad leaves the
VME controller in an uninitialized state.
- MOTLoad Firmware Package 1
- Trademarks 2
- Contact Address 2
- Contents 10
- List of Tables 11
- About this Manual 13
- Abbreviations 14
- Conventions 14
- Summary of Changes 16
- Introduction 19
- 1.1.4 MOTLoad Tests 20
- Using MOTLoad 23
- 2.1.2 Command Line Help 24
- 2.1.3 Command Line Rules 25
- 2.1.4 Command History Buffer 26
- 2.1.5 pseudo-Vi Mode 26
- 2.3 User Download Buffer 31
- 2.4.1 Error Message Formats 32
- 2.4.2 IOCTL Codes (Block) 32
- 3.1.2 as 41
- 3.1.3 bcb bch bcw 43
- 3.1.4 bdTempShow 44
- 3.1.5 bfb bfh bfw 45
- 3.1.6 blkCp 46
- 3.1.7 blkFmt 48
- 3.1.8 blkRd 49
- 3.1.9 blkShow 51
- 3.1.10 blkVe 52
- 3.1.11 blkWr 54
- 3.1.12 bmb bmh bmw 56
- 3.1.13 br 57
- 3.1.14 bsb bsh bsw 58
- 3.1.15 bvb bvh bvw 59
- 3.1.16 cdDir 60
- 3.1.17 cdGet 62
- 3.1.18 clear 64
- 3.1.19 cm 65
- 3.1.20 csb csh csw 67
- 3.1.21 csUserAltBoot 68
- 3.1.22 devShow 69
- 3.1.23 diskBoot 70
- 3.1.24 docBoot 73
- 3.1.25 docProgram 75
- 3.1.26 docRead 77
- 3.1.27 downLoad 78
- 3.1.28 ds 80
- 3.1.29 echo 82
- 3.1.30 elfLoader 83
- 3.1.31 errorDisplay 86
- 3.1.32 eval 88
- 3.1.33 execProgram 90
- 3.1.34 fatDir 91
- 3.1.35 fatGet 93
- 3.1.36 fdShow 95
- 3.1.37 flashLock 97
- 3.1.38 flashProgram 100
- MOTLoad Commands 101
- 3.1.39 flashShow 103
- 3.1.40 flashUnlock 104
- 3.1.41 gd 107
- 3.1.42 gevDelete 108
- 3.1.43 gevDump 109
- 3.1.44 gevEdit 111
- 3.1.45 gevInit 112
- 3.1.46 gevList 113
- 3.1.47 gevShow 114
- 3.1.48 gn 115
- 3.1.49 go 116
- 3.1.50 gt 117
- 3.1.51 hbd 118
- 3.1.52 hbx 119
- 3.1.53 help 120
- 3.1.54 l2CacheShow 122
- 3.1.55 l3CacheShow 123
- 3.1.56 mdb mdh mdw 124
- 3.1.57 memShow 125
- 3.1.58 mmb mmh mmw 126
- 3.1.62 netBoot 132
- 3.1.63 netShow 135
- 3.1.64 netShut 137
- 3.1.65 netStats 138
- 3.1.66 noCm 140
- 3.1.67 pciDataRd 141
- 3.1.68 pciDataWr 142
- 3.1.69 pciDump 143
- 3.1.70 pciShow 144
- 3.1.71 pciSpace 146
- 3.1.72 ping 148
- 3.1.73 portSet 150
- 3.1.74 portShow 152
- 3.1.75 rd 153
- 3.1.76 reset 154
- 3.1.77 rs 155
- 3.1.78 set 156
- 3.1.79 sromRead 158
- 3.1.80 sromWrite 160
- 3.1.81 sta 162
- 3.1.82 stl 164
- 3.1.83 stop 166
- 3.1.84 taskActive 167
- 3.1.85 tc 169
- 3.1.86 td 170
- 3.1.87 testDisk 171
- 3.1.88 testDocHwInt 173
- 3.1.89 testEnetPtP 174
- 3.1.90 testNvramRd 175
- 3.1.91 testNvramRdWr 176
- 3.1.92 testRam 177
- 3.1.93 testRamAddr 179
- 3.1.94 testRamAlt 181
- 3.1.95 testRamBitToggle 182
- 3.1.96 testRamBounce 184
- 3.1.97 testRamCodeCopy 185
- 3.1.98 testRamEccMonitor 186
- 3.1.99 testRamMarch 187
- 3.1.100 testRamPatterns 188
- 3.1.101 testRamPerm 189
- 3.1.102 testRamQuick 190
- 3.1.103 testRamRandom 191
- 3.1.104 testRtcAlarm 192
- 3.1.105 testRtcReset 193
- 3.1.106 testRtcRollOver 194
- 3.1.107 testRtcTick 195
- 3.1.108 testSerialExtLoop 196
- 3.1.109 testSerialIntLoop 197
- 3.1.110 testStatus 198
- 3.1.111 testSuite 200
- 3.1.112 testSuiteMake 203
- 3.1.113 testThermoOp 205
- 3.1.114 testThermoQ 206
- 3.1.115 testThermoRange 207
- 3.1.116 testWatchdogTimer 208
- 3.1.117 tftpGet 209
- 3.1.118 tftpPut 212
- 3.1.119 time 215
- 3.1.120 transparentMode 217
- 3.1.121 tsShow 219
- 3.1.122 upLoad 220
- 3.1.123 version 222
- 3.1.124 vmeCfg 223
- 3.1.125 vpdDisplay 225
- 3.1.126 vpdEdit 227
- 3.1.127 wait 229
- 3.1.128 waitProbe 230
- MOTLoad Non-Volatile Data 231
- A.2.4 Restoring the Archive 233
- A.2.5 Editing VPD 234
- A.3.2 Reserved GEVs 236
- A.3.2.2 Network GEVs 238
- A.3.2.4 Disk Boot Option GEV 239
- A.3.2.5 Boot Results GEV 239
- A.3.2.6 IDE GEV 240
- A.3.2.7 SCSI GEV 241
- A.3.2.8 Test Suite GEVs 241
- A.3.2.10 Other GEVs 242
- A.3.3 Viewing GEV Values 243
- A.3.4 Viewing GEV Labels 243
- A.3.5 Creating GEVs 244
- A.3.6 Editing GEVs 245
- A.3.7 Deleting GEVs 245
- Remote Start 247
- B.2.11 VME Remote Start 256
- VME Configuration Parameters 263
- C.4 Editing VME Settings 264
- C.5 Deleting VME Settings 265
- Auto Boot 267
- D.2 Auto Boot From a Disk 268
- Appendix E 271
- E.1 Overview 271
- E.2 Safe Start 271
- E.3 Alternate Boot Images 272
- E.4 Firmware Startup Sequence 272
- E.6 Valid Boot Images 274
- E.6.1 Checksum Algorithm 275
- E.6.2 Boot Image Flags 275
- Related Documentation 279
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