#ifndef _PPC_MMU_H_
#define _PPC_MMU_H_
-#include <linux/config.h>
#ifndef __ASSEMBLY__
#define PHYS_FMT "%16Lx"
#endif
-/* Default "unsigned long" context */
-typedef unsigned long mm_context_t;
+typedef struct {
+ unsigned long id;
+ unsigned long vdso_base;
+} mm_context_t;
/* Hardware Page Table Entry */
typedef struct _PTE {
-#ifdef CONFIG_PPC64BRIDGE
- unsigned long long vsid:52;
- unsigned long api:5;
- unsigned long :5;
- unsigned long h:1;
- unsigned long v:1;
- unsigned long long rpn:52;
-#else /* CONFIG_PPC64BRIDGE */
unsigned long v:1; /* Entry is valid */
unsigned long vsid:24; /* Virtual segment identifier */
unsigned long h:1; /* Hash algorithm indicator */
unsigned long api:6; /* Abbreviated page index */
unsigned long rpn:20; /* Real (physical) page number */
-#endif /* CONFIG_PPC64BRIDGE */
unsigned long :3; /* Unused */
unsigned long r:1; /* Referenced */
unsigned long c:1; /* Changed */
} P601_BATU;
typedef struct _BATU { /* Upper part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
- unsigned long long bepi:47;
-#else /* CONFIG_PPC64BRIDGE */
unsigned long bepi:15; /* Effective page index (virtual address) */
-#endif /* CONFIG_PPC64BRIDGE */
unsigned long :4; /* Unused */
unsigned long bl:11; /* Block size mask */
unsigned long vs:1; /* Supervisor valid */
} P601_BATL;
typedef struct _BATL { /* Lower part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
- unsigned long long brpn:47;
-#else /* CONFIG_PPC64BRIDGE */
unsigned long brpn:15; /* Real page index (physical address) */
-#endif /* CONFIG_PPC64BRIDGE */
unsigned long :10; /* Unused */
unsigned long w:1; /* Write-thru cache */
unsigned long i:1; /* Cache inhibit */