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30 .\" @(#)boot_sparc.8 8.2 (Berkeley) 4/19/94
37 .Nd system bootstrapping procedures
43 .\" .Ar -- <boot string>
46 .Ss Power fail and crash recovery
47 Normally, the system will reboot itself at power-up or after crashes.
48 An automatic consistency check of the file systems will be performed
51 and unless this fails, the system will resume multi-user operations.
54 .Pa ( /usr/mdec/ufsboot )
57 from partition A of the boot device,
58 which must currently be an
61 Alternatively, network boot program
62 .Pa ( /usr/mdec/netboot )
65 from the NFS root as determined by the procedure described in
67 .Ss Boot program options
70 Prompt for the root file system device, the system crash dump
71 device, and the path to
74 Bring the system up in debug mode.
75 Here it waits for a kernel debugger connect; see
78 Boot the system in quiet mode.
80 Bring the system up in single-user mode.
82 Boot the system in verbose mode.
85 Any extra flags or arguments, or the
87 after the -- separator are passed to the boot PROM.
88 Other flags are currently ignored.
90 At any time you can break back to the ROM by pressing the
94 keys at the same time (if the console is a serial port the same is
97 If you do this accidentally you can continue whatever was in progress
100 followed by the return key.
102 .Bl -tag -width /usr/mdec/installboot -compact
105 .It Pa /usr/mdec/bootxx
106 first-level boot block for disks
107 .It Pa /usr/mdec/netboot
108 boot program for NFS (diskless) boot
109 .It Pa /usr/mdec/ufsboot
110 second-level boot program for UFS disks
111 .It Pa /usr/mdec/installboot
112 program to install bootxx on a disk