#define _ASM_POWERPC_PACA_H
#ifdef __KERNEL__
-#include <linux/config.h>
#include <asm/types.h>
#include <asm/lppaca.h>
#include <asm/mmu.h>
register struct paca_struct *local_paca asm("r13");
#define get_paca() local_paca
+#define get_lppaca() (get_paca()->lppaca_ptr)
+#define get_slb_shadow() (get_paca()->slb_shadow_ptr)
struct task_struct;
#endif /* CONFIG_PPC_ISERIES */
/*
- * MAGIC: the spinlock functions in arch/ppc64/lib/locks.c
+ * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c
* load lock_token and paca_index with a single lwz
* instruction. They must travel together and be properly
* aligned.
u64 stab_real; /* Absolute address of segment table */
u64 stab_addr; /* Virtual address of segment table */
void *emergency_sp; /* pointer to emergency stack */
+ u64 data_offset; /* per cpu data offset */
s16 hw_cpu_id; /* Physical processor number */
u8 cpu_start; /* At startup, processor spins until */
/* this becomes non-zero. */
+ struct slb_shadow *slb_shadow_ptr;
/*
* Now, starting in cacheline 2, the exception save areas
u64 exmc[10]; /* used for machine checks */
u64 exslb[10]; /* used for SLB/segment table misses
* on the linear mapping */
-#ifdef CONFIG_PPC_64K_PAGES
- pgd_t *pgdir;
-#endif /* CONFIG_PPC_64K_PAGES */
mm_context_t context;
- u16 slb_cache[SLB_CACHE_ENTRIES];
+ u16 vmalloc_sllp;
u16 slb_cache_ptr;
+ u16 slb_cache[SLB_CACHE_ENTRIES];
/*
* then miscellaneous read-write fields
u64 stab_rr; /* stab/slb round-robin counter */
u64 saved_r1; /* r1 save for RTAS calls */
u64 saved_msr; /* MSR saved here by enter_rtas */
- u8 proc_enabled; /* irq soft-enable flag */
+ u16 trap_save; /* Used when bad stack is encountered */
+ u8 soft_enabled; /* irq soft-enable flag */
+ u8 hard_enabled; /* set if irqs are enabled in MSR */
+ u8 io_sync; /* writel() needs spin_unlock sync */
- /*
- * iSeries structure which the hypervisor knows about -
- * this structure should not cross a page boundary.
- * The vpa_init/register_vpa call is now known to fail if the
- * lppaca structure crosses a page boundary.
- * The lppaca is also used on POWER5 pSeries boxes.
- * The lppaca is 640 bytes long, and cannot readily change
- * since the hypervisor knows its layout, so a 1kB
- * alignment will suffice to ensure that it doesn't
- * cross a page boundary.
- */
- struct lppaca lppaca __attribute__((__aligned__(0x400)));
+ /* Stuff for accurate time accounting */
+ u64 user_time; /* accumulated usermode TB ticks */
+ u64 system_time; /* accumulated system TB ticks */
+ u64 startpurr; /* PURR/TB value snapshot */
};
extern struct paca_struct paca[];
+void setup_boot_paca(void);
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PACA_H */