8aa6180e92
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10854 a1c6a512-1295-4272-9138-f99709370657
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Ulf Ralberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef THREAD_H
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#define THREAD_H
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#include <stdbool.h>
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#if CONFIG_CODEC == SWCODEC
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#define MAXTHREADS 16
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#else
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#define MAXTHREADS 11
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#endif
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#define DEFAULT_STACK_SIZE 0x400 /* Bytes */
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#ifndef SIMULATOR
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/* Need to keep structures inside the header file because debug_menu
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* needs them. */
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#ifdef CPU_COLDFIRE
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struct regs
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{
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unsigned int macsr; /* EMAC status register */
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unsigned int d[6]; /* d2-d7 */
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unsigned int a[5]; /* a2-a6 */
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void *sp; /* Stack pointer (a7) */
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void *start; /* Thread start address, or NULL when started */
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};
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#elif CONFIG_CPU == SH7034
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struct regs
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{
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unsigned int r[7]; /* Registers r8 thru r14 */
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void *sp; /* Stack pointer (r15) */
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void *pr; /* Procedure register */
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void *start; /* Thread start address, or NULL when started */
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};
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#elif defined(CPU_ARM)
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struct regs
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{
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unsigned int r[8]; /* Registers r4-r11 */
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void *sp; /* Stack pointer (r13) */
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unsigned int lr; /* r14 (lr) */
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void *start; /* Thread start address, or NULL when started */
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};
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#elif CONFIG_CPU == TCC730
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struct regs
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{
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void *sp; /* Stack pointer (a15) */
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void *start; /* Thread start address */
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int started; /* 0 when not started */
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};
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#endif
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struct thread_entry {
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struct regs context;
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const char *name;
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void *stack;
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int stack_size;
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};
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struct core_entry {
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int num_threads;
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volatile int num_sleepers;
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int current_thread;
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struct thread_entry threads[MAXTHREADS];
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};
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#endif
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int create_thread(void (*function)(void), void* stack, int stack_size,
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const char *name);
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int create_thread_on_core(unsigned int core, void (*function)(void), void* stack, int stack_size,
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const char *name);
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void remove_thread(int threadnum);
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void remove_thread_on_core(unsigned int core, int threadnum);
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void switch_thread(void);
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void sleep_thread(void);
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void wake_up_thread(void);
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void init_threads(void);
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int thread_stack_usage(int threadnum);
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int thread_stack_usage_on_core(unsigned int core, int threadnum);
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#ifdef RB_PROFILE
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void profile_thread(void);
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#endif
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#endif
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