diff options
Diffstat (limited to 'sys/boot')
| -rw-r--r-- | sys/boot/forth/pnp.4th | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sys/boot/forth/pnp.4th b/sys/boot/forth/pnp.4th new file mode 100644 index 0000000..a9f2899 --- /dev/null +++ b/sys/boot/forth/pnp.4th @@ -0,0 +1,172 @@ +\ Copyright (c) 2000 Daniel C. Sobral <dcs@freebsd.org> +\ All rights reserved. +\ +\ Redistribution and use in source and binary forms, with or without +\ modification, are permitted provided that the following conditions +\ are met: +\ 1. Redistributions of source code must retain the above copyright +\ notice, this list of conditions and the following disclaimer. +\ 2. Redistributions in binary form must reproduce the above copyright +\ notice, this list of conditions and the following disclaimer in the +\ documentation and/or other materials provided with the distribution. +\ +\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +\ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +\ SUCH DAMAGE. +\ +\ $FreeBSD$ + +pnpdevices drop + +: enumerate + pnphandlers begin + dup @ + while + ." Probing " dup @ pnph.name @ dup strlen type ." ..." cr + 0 over @ pnph.enumerate @ ccall drop + cell+ + repeat +; + +: summary + ." PNP scan summary:" cr + pnpdevices stqh_first @ + begin + dup + while + dup pnpi.ident stqh_first @ pnpid.ident @ dup strlen type + dup pnpi.desc @ ?dup if + ." : " + dup strlen type + then + cr + pnpi.link stqe_next @ + repeat + drop +; + +: compare-pnpid ( addr addr' -- flag ) + begin + over c@ over c@ <> if drop drop false exit then + over c@ over c@ and + while + char+ swap char+ swap + repeat + c@ swap c@ or 0= +; + +: search-pnpid ( id -- flag ) + >r + pnpdevices stqh_first @ + begin ( pnpinfo ) + dup + while + dup pnpi.ident stqh_first @ + begin ( pnpinfo pnpident ) + dup pnpid.ident @ r@ compare-pnpid + if + r> drop + \ XXX Temporary debugging message + ." Found " pnpid.ident @ dup strlen type + pnpi.desc @ ?dup if + ." : " dup strlen type + then cr + \ drop drop + true + exit + then + pnpid.link stqe_next @ + ?dup 0= + until + pnpi.link stqe_next @ + repeat + r> drop + drop + false +; + +: skip-space ( addr -- addr' ) + begin + dup c@ bl = + over c@ 9 = or + while + char+ + repeat +; + +: skip-to-space ( addr -- addr' ) + begin + dup c@ bl <> + over c@ 9 <> and + over c@ and + while + char+ + repeat +; + +: premature-end? ( addr -- addr flag ) + postpone dup postpone c@ postpone 0= + postpone if postpone exit postpone then +; immediate + +0 value filename +0 value timestamp +0 value id + +only forth also support-functions + +: (load) load ; + +: check-pnpid ( -- ) + line_buffer .addr @ + \ Search for filename + skip-space premature-end? + dup to filename + \ Search for end of filename + skip-to-space premature-end? + 0 over c! char+ + \ Search for timestamp + skip-space premature-end? + dup to timestamp + skip-to-space premature-end? + 0 over c! char+ + \ Search for ids + begin + skip-space premature-end? + dup to id + skip-to-space dup c@ >r + 0 over c! char+ + id search-pnpid if + filename dup strlen 1 ['] (load) catch if + drop drop drop + ." Error loading " filename dup strlen type cr + then + r> drop exit + then + r> 0= + until +; + +: load-pnp + 0 to end_of_file? + reset_line_reading + s" /boot/pnpid.conf" fopen fd ! + fd @ -1 <> if + begin + end_of_file? 0= + while + read_line + check-pnpid + repeat + fd @ fclose + then +; + |
