Changeset 651 for trunk/kernel/mm/mapper.c

Timestamp:

Nov 14, 2019, 11:50:09 AM (4 years ago)

Author:

alain

Message:

1) Improve the VMM MMAP allocator: implement the "buddy" algorithm
to allocate only aligned blocks.
2) fix a bug in the pthread_join() / pthread_exit() mmechanism.

File:

• trunk/kernel/mm/mapper.c (modified) (2 diffs)

trunk/kernel/mm/mapper.c

@@ -442 +442 @@
         if ( page_xp == XPTR_NULL ) return -1;
 
-        // compute extended pointer in kernel mapper
+        // compute extended pointer on kernel mapper
         xptr_t     map_xp  = ppm_page2base( page_xp ) + page_offset;
 
@@ -448 +448 @@
 if( DEBUG_MAPPER_MOVE_USER < cycle )
 printk("\n[%s] thread[%x,%x] : get buffer(%x,%x) in mapper\n",
-__FUNCTION__, this->process->pid, this->trdid, map_cxy, map_ptr );
+__FUNCTION__, this->process->pid, this->trdid, GET_CXY(map_xp), GET_PTR(map_xp) );
 #endif
         // compute pointer in user buffer