0,0 → 1,90 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - 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. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. |
*/ |
|
/** @addtogroup klog KLog |
* @brief HelenOS KLog |
* @{ |
*/ |
/** |
* @file |
*/ |
|
#include <stdio.h> |
#include <ipc/ipc.h> |
#include <async.h> |
#include <ipc/services.h> |
#include <as.h> |
#include <sysinfo.h> |
|
/* Pointer to klog area */ |
static char *klog; |
|
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
{ |
int i; |
|
async_serialize_start(); |
for (i=0; klog[i + IPC_GET_ARG1(*call)] && i < IPC_GET_ARG2(*call); i++) |
putchar(klog[i + IPC_GET_ARG1(*call)]); |
putchar('\n'); |
async_serialize_end(); |
} |
|
int main(int argc, char *argv[]) |
{ |
int res; |
void *mapping; |
|
printf("Kernel console output.\n"); |
|
mapping = as_get_mappable_page(PAGE_SIZE); |
res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV, |
(sysarg_t) mapping, PAGE_SIZE, SERVICE_MEM_KLOG, |
NULL, NULL, NULL); |
if (res) { |
printf("Failed to initialize klog memarea\n"); |
_exit(1); |
} |
klog = mapping; |
|
int inr = sysinfo_value("klog.inr"); |
int devno = sysinfo_value("klog.devno"); |
if (ipc_register_irq(inr, devno, 0, NULL)) { |
printf("Error registering for klog service.\n"); |
return 0; |
} |
|
async_set_interrupt_received(interrupt_received); |
|
async_manager(); |
|
return 0; |
} |
|
/** @} |
*/ |