Usermode/ld-acess - Disabled PIC (not needed)
[tpg/acess2.git] / Kernel / threads.c
index c4169fe..d5e1b4c 100644 (file)
@@ -7,7 +7,9 @@
 #include <threads.h>
 #include <threads_int.h>
 #include <errno.h>
+#include <mutex.h>
 #include <semaphore.h>
+#include <hal_proc.h>
 
 // Configuration
 #define DEBUG_TRACE_TICKETS    0       // Trace ticket counts
@@ -23,7 +25,7 @@
 #define SCHEDULER_TYPE SCHED_RR_PRI
 
 // === CONSTANTS ===
-#define        DEFAULT_QUANTUM 10
+#define        DEFAULT_QUANTUM 5
 #define        DEFAULT_PRIORITY        5
 #define MIN_PRIORITY           10
 const enum eConfigTypes        cCONFIG_TYPES[] = {
@@ -33,10 +35,6 @@ const enum eConfigTypes      cCONFIG_TYPES[] = {
 };
 
 // === IMPORTS ===
-extern void    ArchThreads_Init(void);
-extern void    Proc_CallFaultHandler(tThread *Thread);
-extern void    Proc_DumpThreadCPUState(tThread *Thread);
-extern int     GetCPUNum(void);
 
 // === PROTOTYPES ===
 void   Threads_Init(void);
@@ -851,7 +849,7 @@ void Threads_AddActive(tThread *Thread)
        
        if( Thread->Status == THREAD_STAT_ACTIVE ) {
                tThread *cur = Proc_GetCurThread();
-               Warning("WTF, CPU%i %p (%i %s) is adding %p (%i %s) when it is active",
+               Log_Warning("Threads", "WTF, CPU%i %p (%i %s) is adding %p (%i %s) when it is active",
                        GetCPUNum(), cur, cur->TID, cur->ThreadName, Thread, Thread->TID, Thread->ThreadName);
                SHORTREL( &glThreadListLock );
                return ;
@@ -861,13 +859,23 @@ void Threads_AddActive(tThread *Thread)
        Thread->Status = THREAD_STAT_ACTIVE;
 //     Thread->CurCPU = -1;
        // Add to active list
-       #if SCHEDULER_TYPE == SCHED_RR_PRI
-       Thread->Next = gaActiveThreads[Thread->Priority];
-       gaActiveThreads[Thread->Priority] = Thread;
-       #else
-       Thread->Next = gActiveThreads;
-       gActiveThreads = Thread;
-       #endif
+       {
+               tThread *tmp, *prev = NULL;
+               #if SCHEDULER_TYPE == SCHED_RR_PRI
+               for( tmp = gaActiveThreads[Thread->Priority]; tmp; prev = tmp, tmp = tmp->Next );
+               if(prev)
+                       prev->Next = Thread;
+               else
+                       gaActiveThreads[Thread->Priority] = Thread;
+               #else
+               for( tmp = gActiveThreads; tmp; prev = tmp, tmp = tmp->Next );
+               if(prev)
+                       prev->Next = Thread;
+               else
+                       gActiveThreads = Thread;
+               #endif
+               Thread->Next = NULL;
+       }
        
        // Update bookkeeping
        giNumActiveThreads ++;
@@ -971,6 +979,7 @@ void Threads_Fault(int Num)
        
        // Double Fault? Oh, F**k
        if(thread->CurFaultNum != 0) {
+               Log_Warning("Threads", "Threads_Fault: Double fault on %i", thread->TID);
                Threads_Kill(thread, -1);       // For now, just kill
                HALT();
        }
@@ -986,7 +995,10 @@ void Threads_Fault(int Num)
  */
 void Threads_SegFault(tVAddr Addr)
 {
-       Warning("Thread #%i committed a segfault at address %p", Proc_GetCurThread()->TID, Addr);
+       tThread *cur = Proc_GetCurThread();
+       cur->bInstrTrace = 0;
+       Log_Warning("Threads", "Thread #%i committed a segfault at address %p", cur->TID, Addr);
+       MM_DumpTables(0, KERNEL_BASE);
        Threads_Fault( 1 );
        //Threads_Exit( 0, -1 );
 }
@@ -1280,7 +1292,7 @@ tThread *Threads_GetNextToRun(int CPU, tThread *Last)
                        }
                        // If we fall onto the same queue again, special handling is
                        // needed
-                       if( i == Last->Priority ) {
+                       if( Last && i == Last->Priority ) {
                                tThread *savedThread = thread;
                                
                                // Find the next unscheduled thread in the list

UCC git Repository :: git.ucc.asn.au