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Diffstat (limited to 'distrib/notes/cats/prep')
-rw-r--r-- | distrib/notes/cats/prep | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/distrib/notes/cats/prep b/distrib/notes/cats/prep index fd778ad089e..2d501520f18 100644 --- a/distrib/notes/cats/prep +++ b/distrib/notes/cats/prep @@ -1,19 +1,41 @@ -dnl $OpenBSD: prep,v 1.1 2004/02/08 00:35:14 drahn Exp $ +dnl $OpenBSD: prep,v 1.2 2004/02/08 23:12:14 miod Exp $ To be able to boot the OpenBSD/MACHINE installation program, you will need to acquire some limited knowledge of ABLE Firmware, the low-level process that controls the microprocessor after hardware initialization and diagnostics are performed but before control is handed to the operating system. -Important ABLE Firmware command examples: +A complete documentation on the ABLE firmware is available from Simtec at +the following URL: + http://www.simtec.co.uk/products/SWABLE/files/able-doc-allset/ + +For convenience, a few ABLE commands are described below: boot (hd0)bsd - boot the ELF file 'bsd' from the disk partition idenfied + boot the ELF file 'bsd' from the disk partition identified by firmware as hd0. +nvset variable value + sets a firmware environment variable. + +nvsave + saves all variable changes to non-volatile memory. + +nvclear + restores environment variables defaults. -XXX autoboot +The following environment variables control the system startup: -XXX arguments to kernel +boot.auto + when set to "true" (which is its default value), the system will + attempt to execute the command set in the "boot.cmd" variable + after "boot.timeout" seconds. +boot.cmd + command used to auto-boot, such as "boot (hd0)bsd" to boot the + bsd kernel from the first hard disk drive. +boot.timeout + delay until the system boots, in seconds -XXX bootable partitions +dnl XXX arguments to kernel +dnl +dnl XXX bootable partitions |