irixinv.c
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上传日期:2013-02-24
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文件大小:2k
- /*
- * Support the inventory interface for IRIX binaries
- * This is invoked before the mm layer is working, so we do not
- * use the linked lists for the inventory yet.
- *
- * Miguel de Icaza, 1997.
- *
- * $Id: irixinv.c,v 1.3 1998/04/05 11:23:51 ralf Exp $
- */
- #include <linux/mm.h>
- #include <linux/init.h>
- #include <linux/slab.h>
- #include <asm/uaccess.h>
- #include <asm/inventory.h>
- #define MAX_INVENTORY 50
- int inventory_items = 0;
- static inventory_t inventory [MAX_INVENTORY];
- void
- add_to_inventory (int class, int type, int controller, int unit, int state)
- {
- inventory_t *ni = &inventory [inventory_items];
- if (inventory_items == MAX_INVENTORY)
- return;
-
- ni->inv_class = class;
- ni->inv_type = type;
- ni->inv_controller = controller;
- ni->inv_unit = unit;
- ni->inv_state = state;
- ni->inv_next = ni;
- inventory_items++;
- }
- int
- dump_inventory_to_user (void *userbuf, int size)
- {
- inventory_t *inv = &inventory [0];
- inventory_t *user = userbuf;
- int v;
- if ((v = verify_area (VERIFY_WRITE, userbuf, size)))
- return v;
- for (v = 0; v < inventory_items; v++){
- inv = &inventory [v];
- copy_to_user (user, inv, sizeof (inventory_t));
- user++;
- }
- return inventory_items * sizeof (inventory_t);
- }
- void __init init_inventory (void)
- {
- /* gross hack while we put the right bits all over the kernel
- * most likely this will not let just anyone run the X server
- * until we put the right values all over the place
- */
-
- add_to_inventory (10, 3, 0, 0, 16400);
- add_to_inventory (1, 1, 150, -1, 12);
- add_to_inventory (1, 3, 0, 0, 8976);
- add_to_inventory (1, 2, 0, 0, 8976);
- add_to_inventory (4, 8, 0, 0, 2);
- add_to_inventory (5, 5, 0, 0, 1);
- add_to_inventory (3, 3, 0, 0, 32768);
- add_to_inventory (3, 4, 0, 0, 32768);
- add_to_inventory (3, 8, 0, 0, 524288);
- add_to_inventory (3, 9, 0, 0, 64);
- add_to_inventory (3, 1, 0, 0, 67108864);
- add_to_inventory (12, 3, 0, 0, 16);
- add_to_inventory (8, 7, 17, 0, 16777472);
- add_to_inventory (8, 0, 0, 0, 1);
- add_to_inventory (2, 1, 0, 13, 2);
- add_to_inventory (2, 2, 0, 2, 0);
- add_to_inventory (2, 2, 0, 1, 0);
- add_to_inventory (7, 14, 0, 0, 6);
- }