/* If this CPU supports segmentation, hook up the helpers */
#ifdef P1SEG
+/*
+ [ P0/U0 (virtual) ] 0x00000000 <------ User space
+ [ P1 (fixed) cached ] 0x80000000 <------ Kernel space
+ [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access
+ [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area
+ [ P4 control ] 0xE0000000
+ */
+
/* Returns the privileged segment base of a given address */
#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
* Copyright (C) 1999 Niibe Yutaka
*/
-/*
- [ P0/U0 (virtual) ] 0x00000000 <------ User space
- [ P1 (fixed) cached ] 0x80000000 <------ Kernel space
- [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access
- [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area
- [ P4 control ] 0xE0000000
- */
-
#ifdef __KERNEL__
/* PAGE_SHIFT determines the page size */
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-/*
- * IF YOU CHANGE THIS, PLEASE ALSO CHANGE
- *
- * arch/sh/kernel/vmlinux.lds.S
- *
- * which has the same constant encoded..
- */
-
#define __MEMORY_START CONFIG_MEMORY_START
#define __MEMORY_SIZE CONFIG_MEMORY_SIZE