Subversion Repositories HelenOS

Rev

Rev 1999 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1999 Rev 2005
1 
/*
 1 
/*
2 
 * Copyright (C) 2006 Martin Decky
 2 
 * Copyright (C) 2006 Martin Decky
3 
 * All rights reserved.
 3 
 * All rights reserved.
4 
 *
 4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
 5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions
 6 
 * modification, are permitted provided that the following conditions
7 
 * are met:
 7 
 * are met:
8 
 *
 8 
 *
9 
 * - Redistributions of source code must retain the above copyright
 9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
 10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
 11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
 12 
 *   notice, this list of conditions and the following disclaimer in the
13 
 *   documentation and/or other materials provided with the distribution.
 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
 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.
 15 
 *   derived from this software without specific prior written permission.
16 
 *
 16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 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
 18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 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
 23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 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
 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.
 26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
 27 
 */
28 
 
 28 
 
29 
/** @addtogroup rd
 29 
/** @addtogroup rd
30 
 * @{
 30 
 * @{
31 
 */
 31 
 */
32 
 
 32 
 
33 
/**
 33 
/**
34 
 * @file    rd.c
 34 
 * @file    rd.c
35 
 * @brief   Initial RAM disk for HelenOS.
 35 
 * @brief   Initial RAM disk for HelenOS.
36 
 */
 36 
 */
37 
 
 37 
 
38 
#include <ipc/ipc.h>
 38 
#include <ipc/ipc.h>
39 
#include <ipc/services.h>
 39 
#include <ipc/services.h>
40 
#include <ipc/ns.h>
 40 
#include <ipc/ns.h>
- 
 
 41 
#include <sysinfo.h>
- 
 
 42 
#include <as.h>
- 
 
 43 
#include <ddi.h>
- 
 
 44 
#include <align.h>
- 
 
 45 
#include <bool.h>
41 
#include <errno.h>
 46 
#include <errno.h>
42 
#include <async.h>
 47 
#include <async.h>
43 
 
 48 
 
44 
 
 49 
 
45 
static void rd_connection(ipc_callid_t iid, ipc_call_t *icall)
 50 
static void rd_connection(ipc_callid_t iid, ipc_call_t *icall)
46 
{
 51 
{
47 
    ipc_callid_t callid;
 52 
    ipc_callid_t callid;
48 
    ipc_call_t call;
 53 
    ipc_call_t call;
49 
    int retval;
 54 
    int retval;
50 
 
 55 
 
51 
    ipc_answer_fast(iid, 0, 0, 0);
 56 
    ipc_answer_fast(iid, 0, 0, 0);
52 
 
 57 
 
53 
    while (1) {
 58 
    while (1) {
54 
        callid = async_get_call(&call);
 59 
        callid = async_get_call(&call);
55 
        switch (IPC_GET_METHOD(call)) {
 60 
        switch (IPC_GET_METHOD(call)) {
56 
        case IPC_M_PHONE_HUNGUP:
 61 
        case IPC_M_PHONE_HUNGUP:
57 
            ipc_answer_fast(callid, 0,0,0);
 62 
            ipc_answer_fast(callid, 0,0,0);
58 
            return;
 63 
            return;
59 
        default:
 64 
        default:
60 
            retval = EINVAL;
 65 
            retval = EINVAL;
61 
        }
 66 
        }
62 
        ipc_answer_fast(callid, retval, 0, 0);
 67 
        ipc_answer_fast(callid, retval, 0, 0);
63 
    }  
 68 
    }  
64 
}
 69 
}
65 
 
 70 
 
66 
 
 71 
 
67 
int main(int argc, char **argv)
 72 
static bool rd_init(void)
68 
{
 73 
{
- 
 
 74 
    size_t rd_size = sysinfo_value("rd.size");
- 
 
 75 
    void * rd_ph_addr = (void *) sysinfo_value("rd.address.physical");
- 
 
 76 
   
69 
    ipcarg_t phonead;
 77 
    if (rd_size == 0)
- 
 
 78 
        return false;
70 
   
 79 
   
71 
    async_set_client_connection(rd_connection);
 80 
    void * rd_addr = as_get_mappable_page(rd_size);
72 
   
 81 
   
73 
    /* Register service at nameserver */
 - 
 
74 
    if (ipc_connect_to_me(PHONE_NS, SERVICE_RD, 0, &phonead) != 0)
 82 
    map_physmem(rd_ph_addr, rd_addr, ALIGN_UP(rd_size, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
- 
 
 83 
   
75 
        return -1;
 84 
    return true;
- 
 
 85 
}
76 
 
 86 
 
77 
    async_manager();
 - 
 
78 
 
 87 
 
- 
 
 88 
int main(int argc, char **argv)
- 
 
 89 
{
- 
 
 90 
    if (rd_init()) {
- 
 
 91 
        ipcarg_t phonead;
- 
 
 92 
       
- 
 
 93 
        async_set_client_connection(rd_connection);
- 
 
 94 
       
- 
 
 95 
        /* Register service at nameserver */
- 
 
 96 
        if (ipc_connect_to_me(PHONE_NS, SERVICE_RD, 0, &phonead) != 0)
- 
 
 97 
            return -1;
- 
 
 98 
       
- 
 
 99 
        async_manager();
- 
 
 100 
       
79 
    /* Never reached */
 101 
        /* Never reached */
80 
    return 0;
 102 
        return 0;
- 
 
 103 
    }
- 
 
 104 
   
- 
 
 105 
    return -1;
81 
}
 106 
}
82 
 
 107 
 
83 
/**
 108 
/**
84 
 * @}
 109 
 * @}
85 
 */
 110 
 */
86 
 
 111