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#include "syslib.h"
/*===========================================================================*
* sys_umap_remote *
*===========================================================================*/
int sys_umap_remote(proc_ep, grantee, seg, vir_addr, bytes, phys_addr)
endpoint_t proc_ep; /* process number to do umap for */
endpoint_t grantee; /* process nr to check as grantee */
int seg; /* T, D, or S segment */
vir_bytes vir_addr; /* address in bytes with segment*/
vir_bytes bytes; /* number of bytes to be copied */
phys_bytes *phys_addr; /* placeholder for result */
{
message m;
int result;
/* Note about the grantee parameter:
* - Is ignored for non-grant umap calls, but should be SELF to
* pass the sanity check in that case;
* - May be SELF to get the same behaviour as sys_umap, namely that the
* caller must be the grantee;
* - In all other cases, should be a valid endpoint (neither ANY nor NONE).
*/
m.m_lsys_krn_sys_umap.src_endpt = proc_ep;
m.m_lsys_krn_sys_umap.dst_endpt = grantee;
m.m_lsys_krn_sys_umap.segment = seg;
m.m_lsys_krn_sys_umap.src_addr = vir_addr;
m.m_lsys_krn_sys_umap.nr_bytes = bytes;
result = _kernel_call(SYS_UMAP_REMOTE, &m);
*phys_addr = m.m_krn_lsys_sys_umap.dst_addr;
return(result);
}
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