IRIX inventory support. Right now it has hardcoded my machine's

information.  This needs to be fixed at least to report the proper
graphics capabilities on the machine.  Optimally, we should scatter
the right calls to the inventory all over the kernel source.

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
+
+
+