| 0,0 → 1,105 |
|---|
| /* |
| * 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> |
| #include <io/stream.h> |
| #include <errno.h> |
| |
| #define NAME "klog" |
| |
| #define KLOG_SIZE PAGE_SIZE |
| |
| /* Pointer to klog area */ |
| static char *klog; |
| |
| static void console_wait(void) |
| { |
| while (get_cons_phone() < 0) |
| usleep(50000); // FIXME |
| } |
| |
| static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
| { |
| async_serialize_start(); |
| |
| size_t klog_start = (size_t) IPC_GET_ARG1(*call); |
| size_t klog_len = (size_t) IPC_GET_ARG2(*call); |
| size_t klog_stored = (size_t) IPC_GET_ARG3(*call); |
| size_t i; |
| for (i = klog_len - klog_stored; i < klog_len; i++) |
| putchar(klog[(klog_start + i) % KLOG_SIZE]); |
| |
| async_serialize_end(); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| console_wait(); |
| |
| klog = (char *) as_get_mappable_page(KLOG_SIZE); |
| if (klog == NULL) { |
| printf(NAME ": Error allocating memory area\n"); |
| return -1; |
| } |
| |
| int res = ipc_share_in_start_1_0(PHONE_NS, (void *) klog, KLOG_SIZE, |
| SERVICE_MEM_KLOG); |
| if (res != EOK) { |
| printf(NAME ": Error initializing memory area\n"); |
| return -1; |
| } |
| |
| int inr = sysinfo_value("klog.inr"); |
| int devno = sysinfo_value("klog.devno"); |
| if (ipc_register_irq(inr, devno, 0, NULL) != EOK) { |
| printf(NAME ": Error registering klog notifications\n"); |
| return -1; |
| } |
| |
| async_set_interrupt_received(interrupt_received); |
| klog_update(); |
| async_manager(); |
| |
| return 0; |
| } |
| |
| /** @} |
| */ |