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initcalls: Add initial implementation

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Create simple serial subsystem which makes use of initcalls, and convert
existing serial drivers to its use.
This commit is contained in:
Aaron Lindsay
2012-10-04 00:26:35 -04:00
parent 3f624153e7
commit 9d86813d8c
14 changed files with 219 additions and 102 deletions
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2
include/console.h
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@ -22,6 +22,6 @@
#define CONSOLE_H
void console_init(struct fb *f);
void console_putc(char c);
int console_putc(char c);
#endif /* CONSOLE_H */

27
include/drivers/serial.h Normal file
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@ -0,0 +1,27 @@
/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
struct serial_dev {
//TODO add more functions and attributes here
int (*putc)(char);
};
int serial_register_device(struct serial_dev *sdev);
struct serial_dev *serial_first_device();

34
include/init.h Normal file
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@ -0,0 +1,34 @@
/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
void init_earlyinitcalls();
void init_initcalls();
struct initcall_func {
void (*fptr)();
};
#define _initcall(level_name, level, func) struct initcall_func func##_##level##_initcall \
__attribute__ ((section ("." level_name "initcalls"))) = { func }
/* The actual calls to be used externally */
#define early_initcall(func) _initcall("early", 0, func)
#define driversubsys_initcall(func) _initcall("driversubsys", 1, func)
#define device_initcall(func) _initcall("device", 2, func)

4
include/print.h
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@ -21,8 +21,8 @@
#ifndef PRINT_H
#define PRINT_H
void print_init(void (*putc)(char));
void print_init(int (*putc)(char));
int print(char *fmt, ...);
int print_func(void (putcf)(char), char *fmt, ...);
int print_func(int (putcf)(char), char *fmt, ...);
#endif /* PRINT_H */