sortix-mirror/sortix/log.cpp
2013-12-17 14:30:43 +01:00

64 lines
1.9 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
Sortix. If not, see <http://www.gnu.org/licenses/>.
log.cpp
A system for logging various messages to the kernel log.
*******************************************************************************/
#include <stddef.h>
#include <string.h>
#include <sortix/kernel/log.h>
#include <sortix/kernel/platform.h>
#include <sortix/kernel/syscall.h>
namespace Sortix {
namespace Log {
size_t (*device_callback)(void*, const char*, size_t) = NULL;
size_t (*device_width)(void*) = NULL;
size_t (*device_height)(void*) = NULL;
bool (*device_sync)(void*) = NULL;
void* device_pointer = NULL;
static size_t sys_print_string(const char* str)
{
// TODO: Check that str is a user-readable string!
return Print(str);
}
void Init(size_t (*callback)(void*, const char*, size_t),
size_t (*widthfunc)(void*),
size_t (*heightfunc)(void*),
bool (*syncfunc)(void*),
void* user)
{
device_callback = callback;
device_width = widthfunc;
device_height = heightfunc;
device_sync = syncfunc;
device_pointer = user;
Syscall::Register(SYSCALL_PRINT_STRING, (void*) sys_print_string);
}
} // namespace Log
} // namespace Sortix