Changes in kernel/arch/ia64/include/mm/page.h [22f0561:c0699467] in mainline

File:

• kernel/arch/ia64/include/mm/page.h (modified) (1 diff)

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

@@ -43 +43 @@
 
 /** Bit width of the TLB-locked portion of kernel address space. */
-#define KERNEL_PAGE_WIDTH       28      /* 256M */
+#define KERNEL_PAGE_WIDTH  28  /* 256M */
+#define IO_PAGE_WIDTH      26  /* 64M */
+#define FW_PAGE_WIDTH      28  /* 256M */
+
+#define USPACE_IO_PAGE_WIDTH  12  /* 4K */
+
+
+/*
+ * Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses
+ * because of "minimal virtual bits implemented is 51" it is possible to
+ * have values up to 0x0007000000000000
+ */
+
+/* Firmware area (bellow 4GB in phys mem) */
+#define FW_OFFSET   0x00000000F0000000
+/* Legacy IO space */
+#define IO_OFFSET   0x0001000000000000
+/* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */
+#define VIO_OFFSET  0x0002000000000000
+
 
 #define PPN_SHIFT  12