diff options
| -rw-r--r-- | arch/mips/kernel/irixinv.c | 80 | ||||
| -rw-r--r-- | include/asm-mips/inventory.h | 26 |
2 files changed, 106 insertions, 0 deletions
diff --git a/arch/mips/kernel/irixinv.c b/arch/mips/kernel/irixinv.c new file mode 100644 index 000000000..22c90047c --- /dev/null +++ b/arch/mips/kernel/irixinv.c @@ -0,0 +1,80 @@ +/* + * 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. + */ +#include <linux/config.h> +#include <linux/mm.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_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); +} diff --git a/include/asm-mips/inventory.h b/include/asm-mips/inventory.h new file mode 100644 index 000000000..2d6b896d5 --- /dev/null +++ b/include/asm-mips/inventory.h @@ -0,0 +1,26 @@ +#ifndef __ASM_MIPS_INVENTORY_H +#define __ASM_MIPS_INVENTORY_H + +#ifdef CONFIG_BINFMT_IRIX +typedef struct inventory_s { + struct inventory_s *inv_next; + int inv_class; + int inv_type; + int inv_controller; + int inv_unit; + int inv_state; +} inventory_t; + +extern int inventory_items; +void add_to_inventory (int class, int type, int controller, int unit, int state); +int dump_inventory_to_user (void *userbuf, int size); +void init_inventory (void); + +#else +#define add_to_inventory(c,t,o,u,s) +#define init_inventory() +#endif +#endif + + + |