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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Ulf Ralberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef THREAD_H
#define THREAD_H
#include <stdbool.h>
#if CONFIG_CODEC == SWCODEC
#define MAXTHREADS 16
#else
#define MAXTHREADS 11
#endif
#define DEFAULT_STACK_SIZE 0x400 /* Bytes */
#ifndef SIMULATOR
/* Need to keep structures inside the header file because debug_menu
* needs them. */
#ifdef CPU_COLDFIRE
struct regs
{
unsigned int macsr; /* EMAC status register */
unsigned int d[6]; /* d2-d7 */
unsigned int a[5]; /* a2-a6 */
void *sp; /* Stack pointer (a7) */
void *start; /* Thread start address, or NULL when started */
};
#elif CONFIG_CPU == SH7034
struct regs
{
unsigned int r[7]; /* Registers r8 thru r14 */
void *sp; /* Stack pointer (r15) */
void *pr; /* Procedure register */
void *start; /* Thread start address, or NULL when started */
};
#elif defined(CPU_ARM)
struct regs
{
unsigned int r[8]; /* Registers r4-r11 */
void *sp; /* Stack pointer (r13) */
unsigned int lr; /* r14 (lr) */
void *start; /* Thread start address, or NULL when started */
};
#elif CONFIG_CPU == TCC730
struct regs
{
void *sp; /* Stack pointer (a15) */
void *start; /* Thread start address */
int started; /* 0 when not started */
};
#endif
struct thread_entry {
struct regs context;
const char *name;
void *stack;
int stack_size;
};
struct core_entry {
int num_threads;
volatile int num_sleepers;
int current_thread;
struct thread_entry threads[MAXTHREADS];
};
#endif
int create_thread(void (*function)(void), void* stack, int stack_size,
const char *name);
int create_thread_on_core(unsigned int core, void (*function)(void), void* stack, int stack_size,
const char *name);
void remove_thread(int threadnum);
void remove_thread_on_core(unsigned int core, int threadnum);
void switch_thread(void);
void sleep_thread(void);
void wake_up_thread(void);
void init_threads(void);
int thread_stack_usage(int threadnum);
int thread_stack_usage_on_core(unsigned int core, int threadnum);
#ifdef RB_PROFILE
void profile_thread(void);
#endif
#endif
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