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Remove unused duplicate grant code in umap

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This commit is contained in:
Erik van der Kouwe 2011-06-09 05:06:34 +00:00
parent 1e5f9dfa14
commit b08dff6011
3 changed files with 0 additions and 44 deletions
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4
kernel/arch/i386/memory.c
View File

@ -350,10 +350,6 @@ vir_bytes bytes; /* # of bytes to be copied */
vir_bytes linear;
u32_t phys = 0;
if(seg == MEM_GRANT) {
return umap_grant(rp, (cp_grant_id_t) vir_addr, bytes);
}
if(!(linear = umap_local(rp, seg, vir_addr, bytes))) {
printf("SYSTEM:umap_virtual: umap_local failed\n");
phys = 0;

1
kernel/proto.h
View File

@ -84,7 +84,6 @@ _PROTOTYPE( void kernel_call, (message *m_user, struct proc * caller) );
_PROTOTYPE( void system_init, (void) );
#define numap_local(proc_nr, vir_addr, bytes) \
umap_local(proc_addr(proc_nr), D, (vir_addr), (bytes))
_PROTOTYPE( phys_bytes umap_grant, (struct proc *, cp_grant_id_t, vir_bytes));
_PROTOTYPE( void clear_endpoint, (struct proc *rc) );
_PROTOTYPE( void clear_ipc_refs, (struct proc *rc, int caller_ret) );
_PROTOTYPE( phys_bytes umap_bios, (vir_bytes vir_addr, vir_bytes bytes));

39
kernel/system.c
View File

@ -478,45 +478,6 @@ vir_bytes bytes; /* # of bytes to be copied */
}
#endif
/*===========================================================================*
* umap_grant *
*===========================================================================*/
PUBLIC phys_bytes umap_grant(rp, grant, bytes)
struct proc *rp; /* pointer to proc table entry for process */
cp_grant_id_t grant; /* grant no. */
vir_bytes bytes; /* size */
{
int proc_nr;
vir_bytes offset, ret;
endpoint_t granter;
/* See if the grant in that process is sensible, and
* find out the virtual address and (optionally) new
* process for that address.
*
* Then convert that process to a slot number.
*/
if(verify_grant(rp->p_endpoint, ANY, grant, bytes, 0, 0,
&offset, &granter) != OK) {
printf("SYSTEM: umap_grant: verify_grant failed\n");
return 0;
}
if(!isokendpt(granter, &proc_nr)) {
printf("SYSTEM: umap_grant: isokendpt failed\n");
return 0;
}
/* Do the mapping from virtual to physical. */
ret = umap_virtual(proc_addr(proc_nr), D, offset, bytes);
if(!ret) {
printf("SYSTEM:umap_grant:umap_virtual failed; grant %s:%d -> %s: vir 0x%lx\n",
rp->p_name, grant,
proc_addr(proc_nr)->p_name, offset);
}
return ret;
}
/*===========================================================================*
* clear_ipc *
*===========================================================================*/