summaryrefslogtreecommitdiff
path: root/include/asm-powerpc/paca.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/paca.h')
-rw-r--r--include/asm-powerpc/paca.h36
1 files changed, 10 insertions, 26 deletions
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 92c765c35bd0..c9add8f1ad94 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -14,15 +14,16 @@
*/
#ifndef _ASM_POWERPC_PACA_H
#define _ASM_POWERPC_PACA_H
+#ifdef __KERNEL__
#include <linux/config.h>
#include <asm/types.h>
#include <asm/lppaca.h>
-#include <asm/iseries/it_lp_reg_save.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)
struct task_struct;
@@ -31,9 +32,9 @@ struct task_struct;
*
* This structure is not directly accessed by firmware or the service
* processor except for the first two pointers that point to the
- * lppaca area and the ItLpRegSave area for this CPU. Both the
- * lppaca and ItLpRegSave objects are currently contained within the
- * PACA but they do not need to be.
+ * lppaca area and the ItLpRegSave area for this CPU. The lppaca
+ * object is currently contained within the PACA but it doesn't need
+ * to be.
*/
struct paca_struct {
/*
@@ -48,7 +49,9 @@ struct paca_struct {
* accessed by the firmware
*/
struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */
- struct ItLpRegSave *reg_save_ptr; /* Pointer to LpRegSave for PLIC */
+#ifdef CONFIG_PPC_ISERIES
+ void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */
+#endif /* CONFIG_PPC_ISERIES */
/*
* MAGIC: the spinlock functions in arch/ppc64/lib/locks.c
@@ -59,11 +62,11 @@ struct paca_struct {
u16 lock_token; /* Constant 0x8000, used in locks */
u16 paca_index; /* Logical processor number */
- u32 default_decr; /* Default decrementer value */
u64 kernel_toc; /* Kernel TOC address */
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. */
@@ -90,31 +93,12 @@ struct paca_struct {
struct task_struct *__current; /* Pointer to current */
u64 kstack; /* Saved Kernel stack addr */
u64 stab_rr; /* stab/slb round-robin counter */
- u64 next_jiffy_update_tb; /* TB value for next jiffy update */
u64 saved_r1; /* r1 save for RTAS calls */
u64 saved_msr; /* MSR saved here by enter_rtas */
u8 proc_enabled; /* irq soft-enable flag */
-
- /* not yet used */
- u64 exdsi[8]; /* used for linear mapping hash table misses */
-
- /*
- * 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)));
-#ifdef CONFIG_PPC_ISERIES
- struct ItLpRegSave reg_save;
-#endif
};
extern struct paca_struct paca[];
+#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PACA_H */