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progtest.cc File Reference

#include "copyright.h"
#include "system.h"
#include "console.h"
#include "addrspace.h"
#include "synch.h"

Go to the source code of this file.

Functions

void StartProcess (char *filename)
void ReadAvail (int arg)
void WriteDone (int arg)
void ConsoleTest (char *in, char *out)

Variables

Console * console
Semaphore * readAvail
Semaphore * writeDone

Function Documentation

void ConsoleTest (  char *    in,
char *    out
) 
 

Definition at line 69 of file progtest.cc.

References Console::GetChar, Semaphore::P, Console::PutChar, ReadAvail, and WriteDone.

Referenced by main. 

00070 {
00071     char ch;
00072 
00073     console = new Console(in, out, ReadAvail, WriteDone, 0);
00074     readAvail = new Semaphore("read avail", 0);
00075     writeDone = new Semaphore("write done", 0);
00076     
00077     for (;;) {
00078         readAvail->P();         // wait for character to arrive
00079         ch = console->GetChar();
00080         console->PutChar(ch);   // echo it!
00081         writeDone->P() ;        // wait for write to finish
00082         if (ch == 'q') return;  // if q, quit
00083     }
00084 }

void ReadAvail (  int    arg )  [static]
 

Definition at line 59 of file progtest.cc.

References Semaphore::V.

Referenced by ConsoleTest. 

00059 { readAvail->V(); }

void StartProcess (  char *    filename ) 
 

Definition at line 24 of file progtest.cc.

References ASSERT, FALSE, AddrSpace::InitRegisters, NULL, and AddrSpace::RestoreState.

Referenced by main. 

00025 {
00026     OpenFile *executable = fileSystem->Open(filename);
00027     AddrSpace *space;
00028 
00029     if (executable == NULL) {
00030         printf("Unable to open file %s\n", filename);
00031         return;
00032     }
00033     space = new AddrSpace(executable);    
00034     currentThread->space = space;
00035 
00036     delete executable;                  // close file
00037 
00038     space->InitRegisters();             // set the initial register values
00039     space->RestoreState();              // load page table register
00040 
00041     machine->Run();                     // jump to the user progam
00042     ASSERT(FALSE);                      // machine->Run never returns;
00043                                         // the address space exits
00044                                         // by doing the syscall "exit"
00045 }

void WriteDone (  int    arg )  [static]
 

Definition at line 60 of file progtest.cc.

References Semaphore::V.

Referenced by ConsoleTest. 

00060 { writeDone->V(); }

Variable Documentation

Console* console [static]
 

Definition at line 50 of file progtest.cc.

Semaphore* readAvail [static]
 

Definition at line 51 of file progtest.cc.

Semaphore* writeDone [static]
 

Definition at line 52 of file progtest.cc.

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