Changeset 46321fb in mainline for kernel/arch/ia64/include

Timestamp:

2008-11-25T20:22:04Z (17 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

83d9712

Parents:

14c331a

Message:

IA64: Userspace I/O support

Location:

kernel/arch/ia64/include

Files:

• mm/page.h (modified) (1 diff)
• mm/tlb.h (modified) (1 diff)
• proc/task.h (modified) (1 diff)

kernel/arch/ia64/include/mm/page.h

@@ -49 +49 @@
 #define FW_PAGE_WIDTH                   28      /* 256M */
 
-/** Staticly mapped IO spaces */
+#define USPACE_IO_PAGE_WIDTH            12      /* 4K */
+
+
+
+/** Staticly mapped IO spaces - offsets to 0xe...00 of virtual adresses 
+becauce of "minimal virtual bits implemented is 51"
+it is possible to have here values up to 0x0007000000000000
+*/
 
 /* Firmware area (bellow 4GB in phys mem) */

kernel/arch/ia64/include/mm/tlb.h

@@ -47 +47 @@
 #define DTR_KERNEL      0
 #define ITR_KERNEL      0
-#define DTR_KSTACK1     1
-#define DTR_KSTACK2     2
+#define DTR_KSTACK1     4
+#define DTR_KSTACK2     5
 
 /** Portion of TLB insertion format data structure. */

kernel/arch/ia64/include/proc/task.h

@@ -32 +32 @@
 /** @file
  */
+#include <proc/task.h>
 
 #ifndef KERN_ia64_TASK_H_
 #define KERN_ia64_TASK_H_
 
+#include <adt/bitmap.h>
+
 typedef struct {
+        bitmap_t *iomap;
 } task_arch_t;
 
-#define task_create_arch(t)
+
+#define task_create_arch(t) {(t)->arch.iomap=NULL;}
 #define task_destroy_arch(t)