26 lines
		
	
	
		
			875 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			875 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "syslib.h"
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| 
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| /*===========================================================================*
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|  *                                sys_umap				     *
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|  *===========================================================================*/
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| int sys_umap(proc_ep, seg, vir_addr, bytes, phys_addr)
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| endpoint_t proc_ep;			/* process number to do umap for */
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| int seg;				/* T, D, or S segment */
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| vir_bytes vir_addr;			/* address in bytes with segment*/
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| vir_bytes bytes;			/* number of bytes to be copied */
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| phys_bytes *phys_addr;			/* placeholder for result */
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| {
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|     message m;
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|     int result;
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| 
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|     m.m_lsys_krn_sys_umap.src_endpt = proc_ep;
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|     m.m_lsys_krn_sys_umap.segment = seg;
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|     m.m_lsys_krn_sys_umap.src_addr = vir_addr;
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|     m.m_lsys_krn_sys_umap.nr_bytes = bytes;
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| 
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|     result = _kernel_call(SYS_UMAP, &m);
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|     *phys_addr = m.m_krn_lsys_sys_umap.dst_addr;
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|     return(result);
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| }
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| 
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