37 lines
		
	
	
		
			668 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			668 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "syslib.h"
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| 
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| #include <sys/mman.h>
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| #include <minix/vm.h>
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| #include <stdarg.h>
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| #include <string.h>
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| 
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| void *
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| vm_map_phys(endpoint_t who, void *phaddr, size_t len)
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| {
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| 	message m;
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| 	int r;
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| 
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| 	memset(&m, 0, sizeof(m));
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| 	m.m_lsys_vm_map_phys.ep = who;
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| 	m.m_lsys_vm_map_phys.phaddr = phaddr;
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| 	m.m_lsys_vm_map_phys.len = len;
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| 
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| 	r = _taskcall(VM_PROC_NR, VM_MAP_PHYS, &m);
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| 
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| 	if (r != OK) return MAP_FAILED;
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| 
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| 	return m.m_lsys_vm_map_phys.reply;
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| }
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| 
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| int
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| vm_unmap_phys(endpoint_t who, void *vaddr, size_t len)
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| {
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| 	message m;
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| 
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| 	memset(&m, 0, sizeof(m));
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| 	m.m_lsys_vm_unmap_phys.ep = who;
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| 	m.m_lsys_vm_unmap_phys.vaddr = vaddr;
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| 
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| 	return _taskcall(VM_PROC_NR, VM_UNMAP_PHYS, &m);
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| }
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