threads.c
97 lines
| 2.1 KiB
| text/x-c
|
CLexer
r71 | /*------------------------------------------------------------------------------ | |||
-- This file is a part of the libuc, microcontroler library | ||||
-- Copyright (C) 2013, Alexis Jeandet | ||||
-- | ||||
-- 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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------- | ||||
-- Author : Alexis Jeandet | ||||
-- Mail : alexis.jeandet@member.fsf.org | ||||
-------------------------------------------------------------------------------*/ | ||||
#define __THREAD_PRIVATE__ | ||||
#include <thread.h> | ||||
#include <stdio.h> | ||||
/* | ||||
For CM4 cf lazy Stacking and context switching form ARM | ||||
List of automatically saved registers: | ||||
R0 | ||||
R1 | ||||
R2 | ||||
R3 | ||||
R4 | ||||
R5 | ||||
R6 | ||||
R7 | ||||
R8 | ||||
R9 | ||||
R10 | ||||
R11 | ||||
R12 | ||||
R13(SP) | ||||
R14(LR) | ||||
R15(PC) | ||||
xPSR | ||||
S0 to S15 (if enabled) | ||||
List of registers to save: | ||||
S16 to S31 | ||||
*/ | ||||
r78 | #ifndef __mainThreadStackSize__ | |||
#define __mainThreadStackSize__ (8*1024) | ||||
#endif | ||||
char __mainThreadStack__[__mainThreadStackSize__]__attribute__ ((aligned (4))); | ||||
thread_t mainThread; | ||||
r71 | ||||
void __cpusavecontext(void* dataspace) | ||||
{ | ||||
} | ||||
void __cpurestorecontext(void* dataspace) | ||||
{ | ||||
} | ||||
void __initThreading() | ||||
{ | ||||
r78 | extern int libuc_main(); | |||
thread_t mainThread; | ||||
mainThread.func=libuc_main; | ||||
r71 | mainThread.next=NULL; | |||
mainThread.prev=NULL; | ||||
mainThread.priority=0; | ||||
r78 | mainThread.__stack__=(void*)__mainThreadStack__; | |||
mainThread.stackSize=__mainThreadStackSize__; | ||||
r71 | } | |||