| nvram2env.4 (233515) | nvram2env.4 (233648) |
|---|---|
| 1.\" Copyright (c) 2011 Aleksandr Rybalko 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2011 Aleksandr Rybalko 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man4/nvram2env.4 233515 2012-03-26 16:40:45Z joel $ | 25.\" $FreeBSD: head/share/man/man4/nvram2env.4 233648 2012-03-29 05:02:12Z eadler $ |
| 26.\" 27.Dd April 3, 2011 28.Dt NVRAM2ENV 4 29.Os 30.Sh NAME 31.Nm nvram2env 32.Nd "copy nvram-like data into kernel environment" 33.Sh SYNOPSIS --- 5 unchanged lines hidden (view full) --- 39used by various device drivers at boot-time. 40.Pp 41The NVRAM-like data is an array of zero terminated strings. Each string contains 42the string name, "=" delimiter and the string value. 43.Pp 44.Nm 45copies the environment values into kernel environment using the kernel setenv call. 46.Pp | 26.\" 27.Dd April 3, 2011 28.Dt NVRAM2ENV 4 29.Os 30.Sh NAME 31.Nm nvram2env 32.Nd "copy nvram-like data into kernel environment" 33.Sh SYNOPSIS --- 5 unchanged lines hidden (view full) --- 39used by various device drivers at boot-time. 40.Pp 41The NVRAM-like data is an array of zero terminated strings. Each string contains 42the string name, "=" delimiter and the string value. 43.Pp 44.Nm 45copies the environment values into kernel environment using the kernel setenv call. 46.Pp |
| 47Configuration of | 47Configuration of |
| 48.Nm 49is done in 50.Xr device.hints 5 51defining the NVRAM base address, fallback base address, maxsize and flags. 52.Pp 53.Nm 54is currently MIPS-specific. 55.Ss base --- 8 unchanged lines hidden (view full) --- 64.Bl -tag -width indent 65.It Fa 0x0001 66Avoid CRC checking. Currently CRC checking is not implemented, so to be future 67compatible, please set it to "1". 68.It Fa 0x0002 69Use format "Generic", skip uint32_t field, then zero terminating array of 70strings. 71.It Fa 0x0004 | 48.Nm 49is done in 50.Xr device.hints 5 51defining the NVRAM base address, fallback base address, maxsize and flags. 52.Pp 53.Nm 54is currently MIPS-specific. 55.Ss base --- 8 unchanged lines hidden (view full) --- 64.Bl -tag -width indent 65.It Fa 0x0001 66Avoid CRC checking. Currently CRC checking is not implemented, so to be future 67compatible, please set it to "1". 68.It Fa 0x0002 69Use format "Generic", skip uint32_t field, then zero terminating array of 70strings. 71.It Fa 0x0004 |
| 72Use Broadcom CFE format. uint32_t signature "FLSH", uint32_t size, | 72Use Broadcom CFE format. uint32_t signature "FLSH", uint32_t size, |
| 73three unused fields uint32_t, then data. 74.It Fa 0x0008 75Use U-Boot format, uint32_t crc, then zero terminating array of strings. 76.El 77.Sh EXAMPLES 78Usage in U-Boot case: 79.Bd -literal -offset indent 80hint.nvram.0.base=0x1f030000 --- 38 unchanged lines hidden --- | 73three unused fields uint32_t, then data. 74.It Fa 0x0008 75Use U-Boot format, uint32_t crc, then zero terminating array of strings. 76.El 77.Sh EXAMPLES 78Usage in U-Boot case: 79.Bd -literal -offset indent 80hint.nvram.0.base=0x1f030000 --- 38 unchanged lines hidden --- |