/* minik.h */ /* * Copyright (c) 1997-2015 Wind River Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2) Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3) Neither the name of Wind River Systems nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef MINIK_H #define MINIK_H #include #include #define KERNEL_ENTRY(A) K_taskcall(A) extern const knode_t K_ThisNode; extern struct k_proc K_TaskList[]; extern struct k_tqhd K_PrioList[]; extern int K_NodeCount; extern int K_TaskCount; extern int K_PrioCount; #ifndef LITE extern struct map_struct K_MapList[]; #endif extern struct mbx_struct K_MbxList[]; extern struct mutex_struct K_MutexList[]; extern struct sem_struct K_SemList[]; extern struct que_struct K_QueList[]; extern struct pool_struct K_PoolList[]; extern struct pipe_struct K_PipeList[]; #ifndef LITE extern int K_MapCount; #endif extern int K_MbxCount; extern int K_MutexCount; extern int K_SemCount; extern int K_QueCount; extern int K_PoolCount; extern int K_PipeCount; extern const int K_DataSize; extern int K_DataNall; extern int K_ArgsNall; #ifndef LITE extern int K_TimerNall; #endif extern struct k_proc *K_Task; extern uint32_t K_PrioBitMap[]; #ifndef LITE extern K_TIMER *K_Thead; extern K_TIMER *K_Ttail; #endif extern int64_t K_LowTime; extern struct nano_stack K_Args; extern struct nano_lifo LinkIn[6]; extern struct nano_lifo LinkOut[6]; extern struct nano_lifo K_DataFree; extern struct nano_lifo K_ArgsFree; #ifndef LITE extern struct nano_lifo K_TimerFree; #endif extern void _Cput(struct nano_lifo *, void *); extern void _Cpsh(struct nano_stack *, uint32_t); extern void *_Cget(struct nano_lifo *); extern void set_state_bit(struct k_proc *, uint32_t); extern void reset_state_bit(struct k_proc *, uint32_t); extern void K_taskcall(struct k_args *); #ifndef LITE extern void delist_timeout(K_TIMER *T); extern void enlist_timeout(struct k_args *A); extern void force_timeout(struct k_args *A); #endif extern void init_drivers(void); /* * The task status flags may be OR'ed together to form a task's state. The * existence of one or more non-zero bits indicates that the task can not be * scheduled for execution because of the conditions associated with those * bits. The task status flags are divided into four (4) groups as follows: * * Break flags (bits 0..5) are associated with conditions that require an * external entity to permit further execution. * * Spare flags (bits 6..10) are located between the break and wait flags * to allow either set to be extended without impacting the other group. * * Wait flags (bits 11..27) are associated with operations that the task itself * initiated, and for which task execution will resume when the requested * operation completes. * * Monitoring bits (bits 28..31) are reserved for use with task level * monitoring. */ #define TF_STOP 0x00000001 /* Not started */ #define TF_TERM 0x00000002 /* Terminated */ #define TF_SUSP 0x00000004 /* Suspended */ #define TF_BLCK 0x00000008 /* Blocked by host server debugger */ #define TF_GDBSTOP 0x00000010 /* Stopped by GDB agent */ #define TF_PRIO 0x00000020 /* Task priority is changing */ #define TF_TIME 0x00000800 /* Sleeping */ #define TF_DRIV 0x00001000 /* Waiting for arch specific driver */ #define TF_DATA 0x00002000 /* Waiting for movedata to complete */ #define TF_EVNT 0x00004000 /* Waiting for an event */ #define TF_ENQU 0x00008000 /* Waiting to put data on a FIFO */ #define TF_DEQU 0x00010000 /* Waiting to get data from a FIFO */ #define TF_SEND 0x00020000 /* Waiting to send via mbox or channel */ #define TF_RECV 0x00040000 /* Waiting to recv via mbox or channel */ #define TF_SEMA 0x00080000 /* Waiting for a semaphore */ #define TF_LIST 0x00100000 /* Waiting for a group of semaphores */ #define TF_LOCK 0x00200000 /* Waiting for a mutex */ #define TF_ALLO 0x00400000 /* Waiting on a memory mapping */ #define TF_GTBL 0x00800000 /* Waiting on a memory pool */ #define TF_FIFO 0x01000000 /* Waiting on a remote FIFO operation */ #define TF_NETW 0x02000000 /* Obsolete */ #define TF_RECVDATA 0x04000000 /* Waiting to receive data */ #define TF_SENDDATA 0x08000000 /* Waiting to send data */ #define TF_ALLW 0x0FFFF800 /* Mask of all wait flags */ #ifdef CONFIG_TASK_DEBUG extern int K_DebugHalt; extern char *K_NodeNames[]; extern char **K_TaskNames[]; #ifndef LITE extern char **K_MapNames[]; #endif extern char **K_MbxNames[]; extern char **K_MutexNames[]; extern char **K_SemNames[]; extern char **K_QueNames[]; #define TASK_INFO 1 #define WSP_INFO 2 #define MAP_INFO 3 #define MBX_INFO 4 #define QUE_INFO 5 #define RES_INFO 6 #define SEM_INFO 7 #define TIMER_INFO 8 #define APCK_INFO 9 #define DPCK_INFO 10 #define RESET_COUNTS 11 #define MONIT_INFO 12 #endif #ifdef CONFIG_TASK_MONITOR extern void K_monitor_task(struct k_proc *, uint32_t d2); extern void K_monitor_args(struct k_args *); extern void K_monitor_read(struct k_args *); extern const int K_monitor_mask; /* task level monitor bits */ #define MO_STBIT0 0x20000000 #define MO_STBIT1 0x30000000 #define MO_EVENT 0x40000000 #define MO_LCOMM 0x50000000 #define MO_RCOMM 0x60000000 #endif #ifdef CONFIG_WORKLOAD_MONITOR extern void wlMonitorCalibrate(void); #endif #define INSERT_ELM(L, E) \ { \ struct k_args *X = (L); \ struct k_args *Y = NULL; \ while (X && (X->Prio <= (E)->Prio)) { \ Y = X; \ X = X->Forw; \ } \ if (Y) \ Y->Forw = (E); \ else \ (L) = (E); \ (E)->Forw = X; \ (E)->Head = &(L); \ } #define REMOVE_ELM(E) \ { \ struct k_args *X = *((E)->Head); \ struct k_args *Y = NULL; \ \ while (X && (X != (E))) { \ Y = X; \ X = X->Forw; \ } \ if (X) { \ if (Y) \ Y->Forw = X->Forw; \ else \ *((E)->Head) = X->Forw; \ } \ } #define GETARGS(A) \ do { \ (A) = _Cget(&K_ArgsFree); \ } while (0) #define GETDATA(D) \ do { \ (D) = _Cget(&K_DataFree); \ } while (0) #ifndef LITE #define GETTIMER(T) \ do { \ (T) = _Cget(&K_TimerFree); \ } while (0) #endif #define FREEARGS(A) _Cput(&K_ArgsFree, (A)) #define FREEDATA(D) _Cput(&K_DataFree, (D)) #ifndef LITE #define FREETIMER(T) _Cput(&K_TimerFree, (T)) #endif #define TO_ALIST(L, A) _Cpsh((L), (uint32_t)(A)) #define SENDARGS(A) _Cpsh(&K_Args, (uint32_t)(A)) #endif