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#include "syslib.h"
#include <sys/mman.h>
#include <minix/vm.h>
#include <stdarg.h>
#include <string.h>
void *
vm_map_phys(endpoint_t who, void *phaddr, size_t len)
{
message m;
int r;
memset(&m, 0, sizeof(m));
m.m_lsys_vm_map_phys.ep = who;
m.m_lsys_vm_map_phys.phaddr = (phys_bytes)phaddr;
m.m_lsys_vm_map_phys.len = len;
r = _taskcall(VM_PROC_NR, VM_MAP_PHYS, &m);
if (r != OK) return MAP_FAILED;
r = sef_llvm_add_special_mem_region(m.m_lsys_vm_map_phys.reply,
len, NULL);
if(r < 0) {
printf("vm_map_phys: add_special_mem_region failed: %d\n", r);
}
return m.m_lsys_vm_map_phys.reply;
}
int
vm_unmap_phys(endpoint_t who, void *vaddr, size_t len)
{
message m;
int r;
memset(&m, 0, sizeof(m));
m.m_lsys_vm_unmap_phys.ep = who;
m.m_lsys_vm_unmap_phys.vaddr = vaddr;
r = _taskcall(VM_PROC_NR, VM_UNMAP_PHYS, &m);
if(r != OK) return r;
r = sef_llvm_del_special_mem_region_by_addr(vaddr);
if(r < 0) {
printf("vm_map_phys: del_special_mem_region failed: %d\n", r);
}
return OK;
}
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