Rev 532 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 210 | decky | 1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | #include "main.h" |
||
| 30 | |||
| 31 | ofw_entry ofw; |
||
| 32 | |||
| 33 | phandle ofw_chosen; |
||
| 34 | ihandle ofw_stdout; |
||
| 35 | |||
| 36 | void init(void) |
||
| 37 | { |
||
| 38 | ofw_chosen = ofw_find_device("/chosen"); |
||
| 39 | if (ofw_chosen == -1) |
||
| 40 | ofw_call("exit", 0, 0); |
||
| 41 | |||
| 42 | if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
||
| 43 | ofw_stdout = 0; |
||
| 44 | } |
||
| 45 | |||
| 46 | int ofw_call(const char *service, const int nargs, const int nret, ...) |
||
| 47 | { |
||
| 48 | va_list list; |
||
| 49 | ofw_args_t args; |
||
| 50 | int i; |
||
| 51 | |||
| 52 | args.service = service; |
||
| 53 | args.nargs = nargs; |
||
| 54 | args.nret = nret; |
||
| 55 | |||
| 56 | va_start(list, nret); |
||
| 57 | for (i = 0; i < nargs; i++) |
||
| 58 | args.args[i] = va_arg(list, ofw_arg_t); |
||
| 59 | va_end(list); |
||
| 60 | |||
| 61 | for (i = 0; i < nret; i++) |
||
| 62 | args.args[i + nargs] = 0; |
||
| 63 | |||
| 64 | ofw(&args); |
||
| 65 | |||
| 66 | return args.args[nargs]; |
||
| 67 | } |
||
| 68 | |||
| 69 | void ofw_write(const char *str, const int len) |
||
| 70 | { |
||
| 71 | if (ofw_stdout == 0) |
||
| 72 | return; |
||
| 73 | |||
| 74 | ofw_call("write", 3, 1, ofw_stdout, str, len); |
||
| 75 | } |
||
| 76 | |||
| 77 | void ofw_puts(const char *str) |
||
| 78 | { |
||
| 79 | int len = 0; |
||
| 80 | |||
| 81 | while (str[len] != 0) |
||
| 82 | len++; |
||
| 83 | |||
| 84 | ofw_write(str, len); |
||
| 85 | } |
||
| 86 | |||
| 87 | phandle ofw_find_device(const char *name) |
||
| 88 | { |
||
| 89 | return ofw_call("finddevice", 1, 1, name); |
||
| 90 | } |
||
| 91 | |||
| 92 | int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen) |
||
| 93 | { |
||
| 94 | return ofw_call("getprop", 4, 1, device, name, buf, buflen); |
||
| 95 | } |
||
| 96 | |||
| 97 | void bootstrap(void) |
||
| 98 | { |
||
| 99 | ofw_puts("\nHelenOS PPC Bootloader\n"); |
||
| 100 | |||
| 101 | while (1); |
||
| 102 | } |