30 lines
		
	
	
		
			843 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			843 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* The kernel call implemented in this file:
 | |
|  *   m_type:	SYS_MEMSET
 | |
|  *
 | |
|  * The parameters for this kernel call are:
 | |
|  *    m2_p1:	MEM_PTR		(virtual address)	
 | |
|  *    m2_l1:	MEM_COUNT	(returns physical address)	
 | |
|  *    m2_l2:	MEM_PATTERN	(size of datastructure) 	
 | |
|  */
 | |
| 
 | |
| #include "../system.h"
 | |
| 
 | |
| #if USE_MEMSET
 | |
| 
 | |
| /*===========================================================================*
 | |
|  *				do_memset				     *
 | |
|  *===========================================================================*/
 | |
| PUBLIC int do_memset(m_ptr)
 | |
| register message *m_ptr;
 | |
| {
 | |
| /* Handle sys_memset(). This writes a pattern into the specified memory. */
 | |
|   unsigned long p;
 | |
|   unsigned char c = m_ptr->MEM_PATTERN;
 | |
|   p = c | (c << 8) | (c << 16) | (c << 24);
 | |
|   phys_memset((phys_bytes) m_ptr->MEM_PTR, p, (phys_bytes) m_ptr->MEM_COUNT);
 | |
|   return(OK);
 | |
| }
 | |
| 
 | |
| #endif /* USE_MEMSET */
 | |
| 
 | 
