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shmat/shmget for utcbs are working for now.

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faults on shared memory needs to be implemented.
This commit is contained in:
Bahadir Balban
2008-03-19 22:26:38 +00:00
parent 55d24dbbdf
commit 466138f125
10 changed files with 130 additions and 84 deletions
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11
tasks/mm0/src/mmap.c
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@@ -458,17 +458,18 @@ int mmap_address_validate(unsigned long map_address, unsigned int vm_flags)
} else
return 0;
/*
* Shared mappings can *also* go in the utcb address space,
* taking in account that utcb's are shared mappings done
* by individual tasks.
* Shared mappings can go in task, utcb, and shared
* memory address space,
*/
} else if (vm_flags & VMA_SHARED) {
if ((map_address >= UTCB_AREA_START &&
map_address < UTCB_AREA_END) ||
(map_address >= USER_AREA_START &&
map_address < USER_AREA_END))
map_address < USER_AREA_END) ||
(map_address >= SHM_AREA_START &&
map_address < SHM_AREA_END))
return 1;
else
else
return 0;
} else
BUG();