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Add Syscall: Exit, PutChar, GetCar, PutString, GetString

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Yorick Barbanneau 2021-10-11 22:41:17 +02:00
parent 6f405265a5
commit 80fc250109
15 changed files with 359 additions and 17 deletions
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36
code/userprog/syscall.h
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@ -20,18 +20,23 @@
/* system call codes -- used by the stubs to tell the kernel which system call
* is being asked for
*/
#define SC_Halt 0
#define SC_Exit 1
#define SC_Exec 2
#define SC_Join 3
#define SC_Create 4
#define SC_Open 5
#define SC_Read 6
#define SC_Write 7
#define SC_Close 8
#define SC_Fork 9
#define SC_Yield 10
#define SC_Halt 0
#define SC_Exit 1
#define SC_Exec 2
#define SC_Join 3
#define SC_Create 4
#define SC_Open 5
#define SC_Read 6
#define SC_Write 7
#define SC_Close 8
#define SC_Fork 9
#define SC_Yield 10
#ifdef CHANGED
#define SC_PutChar 11 // My first SysCall :')
#define SC_PutString 12
#define SC_GetChar 13
#define SC_GetString 14
#endif
#ifdef IN_USER_MODE
// LB: This part is read only on compiling the test/*.c files.
@ -130,6 +135,13 @@ void Fork (void (*func) ());
*/
void Yield ();
#ifdef CHANGED
void PutChar (char c);
void PutString (char * s);
void GetChar(char c);
void GetString(char * s, int n );
#endif // CHANGED
#endif // IN_USER_MODE
#endif /* SYSCALL_H */