mirror of https://gitee.com/openkylin/linux.git
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* Support the inventory interface for IRIX binaries
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* This is invoked before the mm layer is working, so we do not
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* use the linked lists for the inventory yet.
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*
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* Miguel de Icaza, 1997.
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*/
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#include <linux/mm.h>
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#include <asm/inventory.h>
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#include <asm/uaccess.h>
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#define MAX_INVENTORY 50
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int inventory_items = 0;
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static inventory_t inventory [MAX_INVENTORY];
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void add_to_inventory (int class, int type, int controller, int unit, int state)
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{
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inventory_t *ni = &inventory [inventory_items];
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if (inventory_items == MAX_INVENTORY)
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return;
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ni->inv_class = class;
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ni->inv_type = type;
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ni->inv_controller = controller;
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ni->inv_unit = unit;
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ni->inv_state = state;
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ni->inv_next = ni;
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inventory_items++;
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}
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int dump_inventory_to_user (void __user *userbuf, int size)
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{
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inventory_t *inv = &inventory [0];
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inventory_t __user *user = userbuf;
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int v;
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if (!access_ok(VERIFY_WRITE, userbuf, size))
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return -EFAULT;
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for (v = 0; v < inventory_items; v++){
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inv = &inventory [v];
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if (copy_to_user (user, inv, sizeof (inventory_t)))
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return -EFAULT;
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user++;
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}
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return inventory_items * sizeof (inventory_t);
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}
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int __init init_inventory(void)
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{
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/*
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* gross hack while we put the right bits all over the kernel
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* most likely this will not let just anyone run the X server
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* until we put the right values all over the place
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*/
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add_to_inventory (10, 3, 0, 0, 16400);
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add_to_inventory (1, 1, 150, -1, 12);
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add_to_inventory (1, 3, 0, 0, 8976);
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add_to_inventory (1, 2, 0, 0, 8976);
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add_to_inventory (4, 8, 0, 0, 2);
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add_to_inventory (5, 5, 0, 0, 1);
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add_to_inventory (3, 3, 0, 0, 32768);
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add_to_inventory (3, 4, 0, 0, 32768);
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add_to_inventory (3, 8, 0, 0, 524288);
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add_to_inventory (3, 9, 0, 0, 64);
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add_to_inventory (3, 1, 0, 0, 67108864);
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add_to_inventory (12, 3, 0, 0, 16);
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add_to_inventory (8, 7, 17, 0, 16777472);
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add_to_inventory (8, 0, 0, 0, 1);
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add_to_inventory (2, 1, 0, 13, 2);
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add_to_inventory (2, 2, 0, 2, 0);
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add_to_inventory (2, 2, 0, 1, 0);
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add_to_inventory (7, 14, 0, 0, 6);
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return 0;
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}
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