pinebuds/rtos/rtx/TARGET_ARM7/os_tcb.h
2022-08-15 17:20:27 +08:00

70 lines
3.2 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef OS_TCB_H
#define OS_TCB_H
/* Types */
typedef char S8;
typedef unsigned char U8;
typedef short S16;
typedef unsigned short U16;
typedef int S32;
typedef unsigned int U32;
typedef long long S64;
typedef unsigned long long U64;
typedef unsigned char BIT;
typedef unsigned int BOOL;
typedef void (*FUNCP)(void);
#define TCB_STACK_LR_OFFSET_BYTES (14*4) // prelast DWORD
#define TCB_STACK_LR_OFFSET_DWORDS (14) // prelast DWORD
#define TCB_STACK_R0_OFFSET_BYTES (1*4) // second DWORD
#define TCB_STACK_R0_OFFSET_DWORDS (1) // second DWORD
typedef struct OS_TCB {
/* General part: identical for all implementations. */
U8 cb_type; /* Control Block Type */
U8 state; /* Task state */
U8 prio; /* Execution priority */
U8 task_id; /* Task ID value for optimized TCB access */
struct OS_TCB *p_lnk; /* Link pointer for ready/sem. wait list */
struct OS_TCB *p_rlnk; /* Link pointer for sem./mbx lst backwards */
struct OS_TCB *p_dlnk; /* Link pointer for delay list */
struct OS_TCB *p_blnk; /* Link pointer for delay list backwards */
U16 delta_time; /* Time until time out */
U16 interval_time; /* Time interval for periodic waits */
U16 events; /* Event flags */
U16 waits; /* Wait flags */
void **msg; /* Direct message passing when task waits */
/* Hardware dependant part: specific for CM processor */
U8 stack_frame; /* Stack frame: 0=Basic, 1=Extended */
U8 reserved1;
U16 reserved2;
U32 priv_stack; /* Private stack size in bytes */
U32 tsk_stack; /* Current task Stack pointer (R13) */
U32 *stack; /* Pointer to Task Stack memory block */
/* Library dependant part */
#if defined (__CC_ARM) && !defined (__MICROLIB)
/* A memory space for arm standard library. */
U32 std_libspace[96/4];
#endif
/* Task entry point used for uVision debugger */
FUNCP ptask; /* Task entry address */
} *P_TCB;
#endif