aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/asm-sparc/processor.h1
-rw-r--r--include/asm-sparc/segment.h6
-rw-r--r--include/asm-sparc/system.h1
-rw-r--r--include/asm-sparc64/atomic.h8
-rw-r--r--include/asm-sparc64/bitops.h4
-rw-r--r--include/asm-sparc64/processor.h1
-rw-r--r--include/asm-sparc64/segment.h6
-rw-r--r--include/asm-sparc64/sfafsr.h82
-rw-r--r--include/asm-sparc64/spinlock.h42
-rw-r--r--include/asm-sparc64/system.h17
10 files changed, 123 insertions, 45 deletions
diff --git a/include/asm-sparc/processor.h b/include/asm-sparc/processor.h
index 32c9699367c..5a7a1a8d29a 100644
--- a/include/asm-sparc/processor.h
+++ b/include/asm-sparc/processor.h
@@ -19,7 +19,6 @@
#include <asm/ptrace.h>
#include <asm/head.h>
#include <asm/signal.h>
-#include <asm/segment.h>
#include <asm/btfixup.h>
#include <asm/page.h>
diff --git a/include/asm-sparc/segment.h b/include/asm-sparc/segment.h
deleted file mode 100644
index a1b7ffc9eec..00000000000
--- a/include/asm-sparc/segment.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC_SEGMENT_H
-#define __SPARC_SEGMENT_H
-
-/* Only here because we have some old header files that expect it.. */
-
-#endif
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 898562ebe94..3557781a4bf 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -9,7 +9,6 @@
#include <linux/threads.h> /* NR_CPUS */
#include <linux/thread_info.h>
-#include <asm/segment.h>
#include <asm/page.h>
#include <asm/psr.h>
#include <asm/ptrace.h>
diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h
index d80f3379669..e175afcf2cd 100644
--- a/include/asm-sparc64/atomic.h
+++ b/include/asm-sparc64/atomic.h
@@ -72,10 +72,10 @@ extern int atomic64_sub_ret(int, atomic64_t *);
/* Atomic operations are already serializing */
#ifdef CONFIG_SMP
-#define smp_mb__before_atomic_dec() membar("#StoreLoad | #LoadLoad")
-#define smp_mb__after_atomic_dec() membar("#StoreLoad | #StoreStore")
-#define smp_mb__before_atomic_inc() membar("#StoreLoad | #LoadLoad")
-#define smp_mb__after_atomic_inc() membar("#StoreLoad | #StoreStore")
+#define smp_mb__before_atomic_dec() membar_storeload_loadload();
+#define smp_mb__after_atomic_dec() membar_storeload_storestore();
+#define smp_mb__before_atomic_inc() membar_storeload_loadload();
+#define smp_mb__after_atomic_inc() membar_storeload_storestore();
#else
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h
index 9c5e7197028..6388b8376c5 100644
--- a/include/asm-sparc64/bitops.h
+++ b/include/asm-sparc64/bitops.h
@@ -72,8 +72,8 @@ static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
}
#ifdef CONFIG_SMP
-#define smp_mb__before_clear_bit() membar("#StoreLoad | #LoadLoad")
-#define smp_mb__after_clear_bit() membar("#StoreLoad | #StoreStore")
+#define smp_mb__before_clear_bit() membar_storeload_loadload()
+#define smp_mb__after_clear_bit() membar_storeload_storestore()
#else
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h
index d0bee241356..3169f3e2237 100644
--- a/include/asm-sparc64/processor.h
+++ b/include/asm-sparc64/processor.h
@@ -18,7 +18,6 @@
#include <asm/a.out.h>
#include <asm/pstate.h>
#include <asm/ptrace.h>
-#include <asm/segment.h>
#include <asm/page.h>
/* The sparc has no problems with write protection */
diff --git a/include/asm-sparc64/segment.h b/include/asm-sparc64/segment.h
deleted file mode 100644
index b03e709fc94..00000000000
--- a/include/asm-sparc64/segment.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC64_SEGMENT_H
-#define __SPARC64_SEGMENT_H
-
-/* Only here because we have some old header files that expect it.. */
-
-#endif
diff --git a/include/asm-sparc64/sfafsr.h b/include/asm-sparc64/sfafsr.h
new file mode 100644
index 00000000000..2f792c20b53
--- /dev/null
+++ b/include/asm-sparc64/sfafsr.h
@@ -0,0 +1,82 @@
+#ifndef _SPARC64_SFAFSR_H
+#define _SPARC64_SFAFSR_H
+
+#include <asm/const.h>
+
+/* Spitfire Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */
+
+#define SFAFSR_ME (_AC(1,UL) << SFAFSR_ME_SHIFT)
+#define SFAFSR_ME_SHIFT 32
+#define SFAFSR_PRIV (_AC(1,UL) << SFAFSR_PRIV_SHIFT)
+#define SFAFSR_PRIV_SHIFT 31
+#define SFAFSR_ISAP (_AC(1,UL) << SFAFSR_ISAP_SHIFT)
+#define SFAFSR_ISAP_SHIFT 30
+#define SFAFSR_ETP (_AC(1,UL) << SFAFSR_ETP_SHIFT)
+#define SFAFSR_ETP_SHIFT 29
+#define SFAFSR_IVUE (_AC(1,UL) << SFAFSR_IVUE_SHIFT)
+#define SFAFSR_IVUE_SHIFT 28
+#define SFAFSR_TO (_AC(1,UL) << SFAFSR_TO_SHIFT)
+#define SFAFSR_TO_SHIFT 27
+#define SFAFSR_BERR (_AC(1,UL) << SFAFSR_BERR_SHIFT)
+#define SFAFSR_BERR_SHIFT 26
+#define SFAFSR_LDP (_AC(1,UL) << SFAFSR_LDP_SHIFT)
+#define SFAFSR_LDP_SHIFT 25
+#define SFAFSR_CP (_AC(1,UL) << SFAFSR_CP_SHIFT)
+#define SFAFSR_CP_SHIFT 24
+#define SFAFSR_WP (_AC(1,UL) << SFAFSR_WP_SHIFT)
+#define SFAFSR_WP_SHIFT 23
+#define SFAFSR_EDP (_AC(1,UL) << SFAFSR_EDP_SHIFT)
+#define SFAFSR_EDP_SHIFT 22
+#define SFAFSR_UE (_AC(1,UL) << SFAFSR_UE_SHIFT)
+#define SFAFSR_UE_SHIFT 21
+#define SFAFSR_CE (_AC(1,UL) << SFAFSR_CE_SHIFT)
+#define SFAFSR_CE_SHIFT 20
+#define SFAFSR_ETS (_AC(0xf,UL) << SFAFSR_ETS_SHIFT)
+#define SFAFSR_ETS_SHIFT 16
+#define SFAFSR_PSYND (_AC(0xffff,UL) << SFAFSR_PSYND_SHIFT)
+#define SFAFSR_PSYND_SHIFT 0
+
+/* UDB Error Register, ASI=0x7f VA<63:0>=0x0(High),0x18(Low) for read
+ * ASI=0x77 VA<63:0>=0x0(High),0x18(Low) for write
+ */
+
+#define UDBE_UE (_AC(1,UL) << 9)
+#define UDBE_CE (_AC(1,UL) << 8)
+#define UDBE_E_SYNDR (_AC(0xff,UL) << 0)
+
+/* The trap handlers for asynchronous errors encode the AFSR and
+ * other pieces of information into a 64-bit argument for C code
+ * encoded as follows:
+ *
+ * -----------------------------------------------
+ * | UDB_H | UDB_L | TL>1 | TT | AFSR |
+ * -----------------------------------------------
+ * 63 54 53 44 42 41 33 32 0
+ *
+ * The AFAR is passed in unchanged.
+ */
+#define SFSTAT_UDBH_MASK (_AC(0x3ff,UL) << SFSTAT_UDBH_SHIFT)
+#define SFSTAT_UDBH_SHIFT 54
+#define SFSTAT_UDBL_MASK (_AC(0x3ff,UL) << SFSTAT_UDBH_SHIFT)
+#define SFSTAT_UDBL_SHIFT 44
+#define SFSTAT_TL_GT_ONE (_AC(1,UL) << SFSTAT_TL_GT_ONE_SHIFT)
+#define SFSTAT_TL_GT_ONE_SHIFT 42
+#define SFSTAT_TRAP_TYPE (_AC(0x1FF,UL) << SFSTAT_TRAP_TYPE_SHIFT)
+#define SFSTAT_TRAP_TYPE_SHIFT 33
+#define SFSTAT_AFSR_MASK (_AC(0x1ffffffff,UL) << SFSTAT_AFSR_SHIFT)
+#define SFSTAT_AFSR_SHIFT 0
+
+/* ESTATE Error Enable Register, ASI=0x4b VA<63:0>=0x0 */
+#define ESTATE_ERR_CE 0x1 /* Correctable errors */
+#define ESTATE_ERR_NCE 0x2 /* TO, BERR, LDP, ETP, EDP, WP, UE, IVUE */
+#define ESTATE_ERR_ISAP 0x4 /* System address parity error */
+#define ESTATE_ERR_ALL (ESTATE_ERR_CE | \
+ ESTATE_ERR_NCE | \
+ ESTATE_ERR_ISAP)
+
+/* The various trap types that report using the above state. */
+#define TRAP_TYPE_IAE 0x09 /* Instruction Access Error */
+#define TRAP_TYPE_DAE 0x32 /* Data Access Error */
+#define TRAP_TYPE_CEE 0x63 /* Correctable ECC Error */
+
+#endif /* _SPARC64_SFAFSR_H */
diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h
index 9cb93a5c2b4..a02c4370eb4 100644
--- a/include/asm-sparc64/spinlock.h
+++ b/include/asm-sparc64/spinlock.h
@@ -43,7 +43,7 @@ typedef struct {
#define spin_is_locked(lp) ((lp)->lock != 0)
#define spin_unlock_wait(lp) \
-do { membar("#LoadLoad"); \
+do { rmb(); \
} while((lp)->lock)
static inline void _raw_spin_lock(spinlock_t *lock)
@@ -129,15 +129,18 @@ typedef struct {
#define spin_is_locked(__lock) ((__lock)->lock != 0)
#define spin_unlock_wait(__lock) \
do { \
- membar("#LoadLoad"); \
+ rmb(); \
} while((__lock)->lock)
-extern void _do_spin_lock (spinlock_t *lock, char *str);
-extern void _do_spin_unlock (spinlock_t *lock);
-extern int _do_spin_trylock (spinlock_t *lock);
+extern void _do_spin_lock(spinlock_t *lock, char *str, unsigned long caller);
+extern void _do_spin_unlock(spinlock_t *lock);
+extern int _do_spin_trylock(spinlock_t *lock, unsigned long caller);
-#define _raw_spin_trylock(lp) _do_spin_trylock(lp)
-#define _raw_spin_lock(lock) _do_spin_lock(lock, "spin_lock")
+#define _raw_spin_trylock(lp) \
+ _do_spin_trylock(lp, (unsigned long) __builtin_return_address(0))
+#define _raw_spin_lock(lock) \
+ _do_spin_lock(lock, "spin_lock", \
+ (unsigned long) __builtin_return_address(0))
#define _raw_spin_unlock(lock) _do_spin_unlock(lock)
#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
@@ -279,37 +282,41 @@ typedef struct {
#define RW_LOCK_UNLOCKED (rwlock_t) { 0, 0, 0xff, { } }
#define rwlock_init(lp) do { *(lp) = RW_LOCK_UNLOCKED; } while(0)
-extern void _do_read_lock(rwlock_t *rw, char *str);
-extern void _do_read_unlock(rwlock_t *rw, char *str);
-extern void _do_write_lock(rwlock_t *rw, char *str);
-extern void _do_write_unlock(rwlock_t *rw);
-extern int _do_write_trylock(rwlock_t *rw, char *str);
+extern void _do_read_lock(rwlock_t *rw, char *str, unsigned long caller);
+extern void _do_read_unlock(rwlock_t *rw, char *str, unsigned long caller);
+extern void _do_write_lock(rwlock_t *rw, char *str, unsigned long caller);
+extern void _do_write_unlock(rwlock_t *rw, unsigned long caller);
+extern int _do_write_trylock(rwlock_t *rw, char *str, unsigned long caller);
#define _raw_read_lock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- _do_read_lock(lock, "read_lock"); \
+ _do_read_lock(lock, "read_lock", \
+ (unsigned long) __builtin_return_address(0)); \
local_irq_restore(flags); \
} while(0)
#define _raw_read_unlock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- _do_read_unlock(lock, "read_unlock"); \
+ _do_read_unlock(lock, "read_unlock", \
+ (unsigned long) __builtin_return_address(0)); \
local_irq_restore(flags); \
} while(0)
#define _raw_write_lock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- _do_write_lock(lock, "write_lock"); \
+ _do_write_lock(lock, "write_lock", \
+ (unsigned long) __builtin_return_address(0)); \
local_irq_restore(flags); \
} while(0)
#define _raw_write_unlock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- _do_write_unlock(lock); \
+ _do_write_unlock(lock, \
+ (unsigned long) __builtin_return_address(0)); \
local_irq_restore(flags); \
} while(0)
@@ -317,7 +324,8 @@ do { unsigned long flags; \
({ unsigned long flags; \
int val; \
local_irq_save(flags); \
- val = _do_write_trylock(lock, "write_trylock"); \
+ val = _do_write_trylock(lock, "write_trylock", \
+ (unsigned long) __builtin_return_address(0)); \
local_irq_restore(flags); \
val; \
})
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index ee4bdfc6b88..5e94c05dc2f 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -28,6 +28,14 @@ enum sparc_cpu {
#define ARCH_SUN4C_SUN4 0
#define ARCH_SUN4 0
+extern void mb(void);
+extern void rmb(void);
+extern void wmb(void);
+extern void membar_storeload(void);
+extern void membar_storeload_storestore(void);
+extern void membar_storeload_loadload(void);
+extern void membar_storestore_loadstore(void);
+
#endif
#define setipl(__new_ipl) \
@@ -78,16 +86,11 @@ enum sparc_cpu {
#define nop() __asm__ __volatile__ ("nop")
-#define membar(type) __asm__ __volatile__ ("membar " type : : : "memory")
-#define mb() \
- membar("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad")
-#define rmb() membar("#LoadLoad")
-#define wmb() membar("#StoreStore")
#define read_barrier_depends() do { } while(0)
#define set_mb(__var, __value) \
- do { __var = __value; membar("#StoreLoad | #StoreStore"); } while(0)
+ do { __var = __value; membar_storeload_storestore(); } while(0)
#define set_wmb(__var, __value) \
- do { __var = __value; membar("#StoreStore"); } while(0)
+ do { __var = __value; wmb(); } while(0)
#ifdef CONFIG_SMP
#define smp_mb() mb()