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From: cvs at opencores.org<cvs@o...>
Date: Sat May 26 22:00:16 CEST 2007
Subject: [cvs-checkins] MODIFIED: mlite ...
Date: 00/07/05 26:22:00

Modified: mlite/kernel rtos.c
Log:
Added comments


Revision Changes Path
1.11 mlite/kernel/rtos.c

http://www.opencores.org/cvsweb.shtml/mlite/kernel/rtos.c.diff?r1=1.10&r2=1.11

(In the diff below, changes in quantity of whitespace are not shown.)

Index: rtos.c
===================================================================
RCS file: /cvsroot/rhoads/mlite/kernel/rtos.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -b -r1.10 -r1.11
--- rtos.c 21 May 2007 02:42:21 -0000 1.10
+++ rtos.c 26 May 2007 20:00:15 -0000 1.11
@@ -64,24 +64,26 @@
} OS_ThreadState_e;

struct OS_Thread_s {
- const char *name;
- OS_ThreadState_e state;
- int cpuIndex;
- int cpuLock;
- jmp_buf env;
- OS_FuncPtr_t funcPtr;
- void *arg;
- uint32 priority;
- uint32 ticksTimeout;
- void *info;
- OS_Semaphore_t *semaphorePending;
- int returnCode;
- uint32 spinLocks;
- uint32 processId;
- OS_Heap_t *heap;
- struct OS_Thread_s *next, *prev;
- struct OS_Thread_s *nextTimeout, *prevTimeout;
- uint32 magic[1];
+ const char *name; //Name of thread
+ OS_ThreadState_e state; //Pending, ready, or running
+ int cpuIndex; //Which CPU is running the thread
+ int cpuLock; //Lock the thread to a specific CPU
+ jmp_buf env; //Registers saved during context swap
+ OS_FuncPtr_t funcPtr; //First function called
+ void *arg; //Argument to first function called
+ uint32 priority; //Priority of thread (0=low, 255=high)
+ uint32 ticksTimeout; //Tick value when semaphore pend times out
+ void *info; //User storage
+ OS_Semaphore_t *semaphorePending; //Semaphore thread is blocked on
+ int returnCode; //Return value from semaphore pend
+ uint32 spinLocks; //Recursion depth of spin locks
+ uint32 processId; //Process ID if using MMU
+ OS_Heap_t *heap; //Heap used if no heap specified
+ struct OS_Thread_s *next; //Linked list of threads by priority
+ struct OS_Thread_s *prev;
+ struct OS_Thread_s *nextTimeout; //Linked list of threads by timeout
+ struct OS_Thread_s *prevTimeout;
+ uint32 magic[1]; //Bottom of stack to detect stack overflow
};
//typedef struct OS_Thread_s OS_Thread_t;

@@ -1491,6 +1493,9 @@
/************** WIN32 Support *************/
#ifdef WIN32
//Support RTOS inside Windows
+#undef kbhit
+#undef getch
+#undef putch
extern int kbhit();
extern int getch(void);
extern int putch(int);