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-rw-r--r--arch/sparc64/kernel/entry.S17
-rw-r--r--arch/sparc64/kernel/irq.c20
-rw-r--r--arch/sparc64/kernel/process.c2
-rw-r--r--arch/sparc64/kernel/smp.c2
-rw-r--r--arch/sparc64/kernel/traps.c2
-rw-r--r--drivers/sbus/char/Kconfig14
-rw-r--r--drivers/sbus/char/aurora.c6
-rw-r--r--drivers/sbus/char/bbc_envctrl.c3
-rw-r--r--drivers/sbus/char/envctrl.c10
-rw-r--r--drivers/sbus/char/vfc_i2c.c8
-rw-r--r--include/asm-sparc64/bitops.h56
-rw-r--r--include/asm-sparc64/ptrace.h5
-rw-r--r--include/asm-sparc64/rwsem.h48
-rw-r--r--include/asm-sparc64/spitfire.h130
-rw-r--r--include/asm-sparc64/system.h11
-rw-r--r--include/asm-sparc64/thread_info.h12
-rw-r--r--include/asm-sparc64/timer.h41
17 files changed, 79 insertions, 308 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index d781f10adc5..88332f00094 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1600,11 +1600,11 @@ sys_clone: flushw
ba,pt %xcc, sparc_do_fork
add %sp, PTREGS_OFF, %o2
ret_from_syscall:
- /* Clear SPARC_FLAG_NEWCHILD, switch_to leaves thread.flags in
- * %o7 for us. Check performance counter stuff too.
+ /* Clear current_thread_info()->new_child, and
+ * check performance counter stuff too.
*/
- andn %o7, _TIF_NEWCHILD, %l0
- stx %l0, [%g6 + TI_FLAGS]
+ stb %g0, [%g6 + TI_NEW_CHILD]
+ ldx [%g6 + TI_FLAGS], %l0
call schedule_tail
mov %g7, %o0
andcc %l0, _TIF_PERFCTR, %g0
@@ -1720,12 +1720,11 @@ ret_sys_call:
/* Check if force_successful_syscall_return()
* was invoked.
*/
- ldx [%curptr + TI_FLAGS], %l0
- andcc %l0, _TIF_SYSCALL_SUCCESS, %g0
- be,pt %icc, 1f
- andn %l0, _TIF_SYSCALL_SUCCESS, %l0
+ ldub [%curptr + TI_SYS_NOERROR], %l0
+ brz,pt %l0, 1f
+ nop
ba,pt %xcc, 80f
- stx %l0, [%curptr + TI_FLAGS]
+ stb %g0, [%curptr + TI_SYS_NOERROR]
1:
cmp %o0, -ERESTART_RESTARTBLOCK
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index daa2fb93052..c9b69167632 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -782,8 +782,14 @@ static void distribute_irqs(void)
}
#endif
+struct sun5_timer {
+ u64 count0;
+ u64 limit0;
+ u64 count1;
+ u64 limit1;
+};
-struct sun5_timer *prom_timers;
+static struct sun5_timer *prom_timers;
static u64 prom_limit0, prom_limit1;
static void map_prom_timers(void)
@@ -839,18 +845,6 @@ static void kill_prom_timer(void)
: "g1", "g2");
}
-void enable_prom_timer(void)
-{
- if (!prom_timers)
- return;
-
- /* Set it to whatever was there before. */
- prom_timers->limit1 = prom_limit1;
- prom_timers->count1 = 0;
- prom_timers->limit0 = prom_limit0;
- prom_timers->count0 = 0;
-}
-
void init_irqwork_curcpu(void)
{
register struct irq_work_struct *workp asm("o2");
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index a0cd2b2494d..cffb1c8ab4f 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -621,8 +621,8 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
- _TIF_NEWCHILD |
(((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
+ t->new_child = 1;
t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
t->fpsaved[0] = 0;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 7e8e2919e18..b9b42491e11 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -137,7 +137,7 @@ void __init smp_callin(void)
/* Clear this or we will die instantly when we
* schedule back to this idler...
*/
- clear_thread_flag(TIF_NEWCHILD);
+ current_thread_info()->new_child = 0;
/* Attach to the address space of init_task. */
atomic_inc(&init_mm.mm_count);
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index a9f4596d7c2..100b0107c4b 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2125,6 +2125,8 @@ void __init trap_init(void)
TI_PCR != offsetof(struct thread_info, pcr_reg) ||
TI_CEE_STUFF != offsetof(struct thread_info, cee_stuff) ||
TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
+ TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
+ TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
TI_FPREGS != offsetof(struct thread_info, fpregs) ||
(TI_FPREGS & (64 - 1)))
thread_info_offsets_are_bolixed_dave();
diff --git a/drivers/sbus/char/Kconfig b/drivers/sbus/char/Kconfig
index 90d8ef1f0bc..a41778a490d 100644
--- a/drivers/sbus/char/Kconfig
+++ b/drivers/sbus/char/Kconfig
@@ -71,20 +71,6 @@ config SUN_JSFLASH
# XXX Why don't we do "source drivers/char/Config.in" somewhere?
# no shit
-config APM_RTC_IS_GMT
- bool
- depends on EXPERIMENTAL && SPARC32 && PCI
- default y
- help
- Say Y here if your RTC (Real Time Clock a.k.a. hardware clock)
- stores the time in GMT (Greenwich Mean Time). Say N if your RTC
- stores localtime.
-
- It is in fact recommended to store GMT in your RTC, because then you
- don't have to worry about daylight savings time changes. The only
- reason not to use GMT in your RTC is if you also run a broken OS
- that doesn't understand GMT.
-
config RTC
tristate "PC-style Real Time Clock Support"
depends on PCI && EXPERIMENTAL && SPARC32
diff --git a/drivers/sbus/char/aurora.c b/drivers/sbus/char/aurora.c
index 650d5e924f4..d96cc47de56 100644
--- a/drivers/sbus/char/aurora.c
+++ b/drivers/sbus/char/aurora.c
@@ -1515,8 +1515,7 @@ static void aurora_close(struct tty_struct * tty, struct file * filp)
*/
timeout = jiffies+HZ;
while(port->SRER & SRER_TXEMPTY) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(port->timeout);
+ msleep_interruptible(jiffies_to_msecs(port->timeout));
if (time_after(jiffies, timeout))
break;
}
@@ -1533,8 +1532,7 @@ static void aurora_close(struct tty_struct * tty, struct file * filp)
port->tty = 0;
if (port->blocked_open) {
if (port->close_delay) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(port->close_delay);
+ msleep_interruptible(jiffies_to_msecs(port->close_delay));
}
wake_up_interruptible(&port->open_wait);
}
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index d5259f7fee6..b8a2c7353b0 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -4,13 +4,14 @@
* Copyright (C) 2001 David S. Miller (davem@redhat.com)
*/
+#define __KERNEL_SYSCALLS__
+
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <asm/oplib.h>
#include <asm/ebus.h>
-#define __KERNEL_SYSCALLS__
static int errno;
#include <asm/unistd.h>
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index f6ed35b24f4..9a8c572554f 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -19,6 +19,8 @@
* Daniele Bellucci <bellucda@tiscali.it>
*/
+#define __KERNEL_SYSCALLS__
+
#include <linux/config.h>
#include <linux/module.h>
#include <linux/sched.h>
@@ -35,7 +37,6 @@
#include <asm/uaccess.h>
#include <asm/envctrl.h>
-#define __KERNEL_SYSCALLS__
static int errno;
#include <asm/unistd.h>
@@ -1007,7 +1008,7 @@ static int kenvctrld(void *__unused)
return -ENODEV;
}
- poll_interval = 5 * HZ; /* TODO env_mon_interval */
+ poll_interval = 5000; /* TODO env_mon_interval */
daemonize("kenvctrld");
allow_signal(SIGKILL);
@@ -1016,10 +1017,7 @@ static int kenvctrld(void *__unused)
printk(KERN_INFO "envctrl: %s starting...\n", current->comm);
for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(poll_interval);
-
- if(signal_pending(current))
+ if(msleep_interruptible(poll_interval))
break;
for (whichcpu = 0; whichcpu < ENVCTRL_MAX_CPU; ++whichcpu) {
diff --git a/drivers/sbus/char/vfc_i2c.c b/drivers/sbus/char/vfc_i2c.c
index 95e3cebf792..1faf1e75f71 100644
--- a/drivers/sbus/char/vfc_i2c.c
+++ b/drivers/sbus/char/vfc_i2c.c
@@ -88,14 +88,16 @@ void vfc_i2c_delay_wakeup(struct vfc_dev *dev)
void vfc_i2c_delay_no_busy(struct vfc_dev *dev, unsigned long usecs)
{
+ DEFINE_WAIT(wait);
init_timer(&dev->poll_timer);
- dev->poll_timer.expires = jiffies +
- ((unsigned long)usecs*(HZ))/1000000;
+ dev->poll_timer.expires = jiffies + usecs_to_jiffies(usecs);
dev->poll_timer.data=(unsigned long)dev;
dev->poll_timer.function=(void *)(unsigned long)vfc_i2c_delay_wakeup;
add_timer(&dev->poll_timer);
- sleep_on(&dev->poll_wait);
+ prepare_to_wait(&dev->poll_wait, &wait, TASK_UNINTERRUPTIBLE);
+ schedule();
del_timer(&dev->poll_timer);
+ finish_wait(&dev->poll_wait, &wait);
}
void inline vfc_i2c_delay(struct vfc_dev *dev)
diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h
index 9d722dc8cca..9c5e7197028 100644
--- a/include/asm-sparc64/bitops.h
+++ b/include/asm-sparc64/bitops.h
@@ -20,52 +20,52 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr);
/* "non-atomic" versions... */
-static __inline__ void __set_bit(int nr, volatile unsigned long *addr)
+static inline void __set_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
*m |= (1UL << (nr & 63));
}
-static __inline__ void __clear_bit(int nr, volatile unsigned long *addr)
+static inline void __clear_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
*m &= ~(1UL << (nr & 63));
}
-static __inline__ void __change_bit(int nr, volatile unsigned long *addr)
+static inline void __change_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
*m ^= (1UL << (nr & 63));
}
-static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
- long old = *m;
- long mask = (1UL << (nr & 63));
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+ unsigned long old = *m;
+ unsigned long mask = (1UL << (nr & 63));
*m = (old | mask);
return ((old & mask) != 0);
}
-static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
- long old = *m;
- long mask = (1UL << (nr & 63));
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+ unsigned long old = *m;
+ unsigned long mask = (1UL << (nr & 63));
*m = (old & ~mask);
return ((old & mask) != 0);
}
-static __inline__ int __test_and_change_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
{
- volatile unsigned long *m = addr + (nr >> 6);
- long old = *m;
- long mask = (1UL << (nr & 63));
+ unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+ unsigned long old = *m;
+ unsigned long mask = (1UL << (nr & 63));
*m = (old ^ mask);
return ((old & mask) != 0);
@@ -79,13 +79,13 @@ static __inline__ int __test_and_change_bit(int nr, volatile unsigned long *addr
#define smp_mb__after_clear_bit() barrier()
#endif
-static __inline__ int test_bit(int nr, __const__ volatile unsigned long *addr)
+static inline int test_bit(int nr, __const__ volatile unsigned long *addr)
{
- return (1UL & ((addr)[nr >> 6] >> (nr & 63))) != 0UL;
+ return (1UL & (addr[nr >> 6] >> (nr & 63))) != 0UL;
}
/* The easy/cheese version for now. */
-static __inline__ unsigned long ffz(unsigned long word)
+static inline unsigned long ffz(unsigned long word)
{
unsigned long result;
@@ -103,7 +103,7 @@ static __inline__ unsigned long ffz(unsigned long word)
*
* Undefined if no bit exists, so code should check against 0 first.
*/
-static __inline__ unsigned long __ffs(unsigned long word)
+static inline unsigned long __ffs(unsigned long word)
{
unsigned long result = 0;
@@ -144,7 +144,7 @@ static inline int sched_find_first_bit(unsigned long *b)
* the libc and compiler builtin ffs routines, therefore
* differs in spirit from the above ffz (man ffs).
*/
-static __inline__ int ffs(int x)
+static inline int ffs(int x)
{
if (!x)
return 0;
@@ -158,7 +158,7 @@ static __inline__ int ffs(int x)
#ifdef ULTRA_HAS_POPULATION_COUNT
-static __inline__ unsigned int hweight64(unsigned long w)
+static inline unsigned int hweight64(unsigned long w)
{
unsigned int res;
@@ -166,7 +166,7 @@ static __inline__ unsigned int hweight64(unsigned long w)
return res;
}
-static __inline__ unsigned int hweight32(unsigned int w)
+static inline unsigned int hweight32(unsigned int w)
{
unsigned int res;
@@ -174,7 +174,7 @@ static __inline__ unsigned int hweight32(unsigned int w)
return res;
}
-static __inline__ unsigned int hweight16(unsigned int w)
+static inline unsigned int hweight16(unsigned int w)
{
unsigned int res;
@@ -182,7 +182,7 @@ static __inline__ unsigned int hweight16(unsigned int w)
return res;
}
-static __inline__ unsigned int hweight8(unsigned int w)
+static inline unsigned int hweight8(unsigned int w)
{
unsigned int res;
@@ -236,7 +236,7 @@ extern unsigned long find_next_zero_bit(const unsigned long *,
#define test_and_clear_le_bit(nr,addr) \
test_and_clear_bit((nr) ^ 0x38, (addr))
-static __inline__ int test_le_bit(int nr, __const__ unsigned long * addr)
+static inline int test_le_bit(int nr, __const__ unsigned long * addr)
{
int mask;
__const__ unsigned char *ADDR = (__const__ unsigned char *) addr;
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 2d2b5a113d2..6194f771e9f 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -94,8 +94,9 @@ struct sparc_trapf {
#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
#ifdef __KERNEL__
-#define force_successful_syscall_return() \
- set_thread_flag(TIF_SYSCALL_SUCCESS)
+#define force_successful_syscall_return() \
+do { current_thread_info()->syscall_noerror = 1; \
+} while (0)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
#ifdef CONFIG_SMP
diff --git a/include/asm-sparc64/rwsem.h b/include/asm-sparc64/rwsem.h
index a1cc94f9598..4568ee4022d 100644
--- a/include/asm-sparc64/rwsem.h
+++ b/include/asm-sparc64/rwsem.h
@@ -46,54 +46,14 @@ extern void __up_read(struct rw_semaphore *sem);
extern void __up_write(struct rw_semaphore *sem);
extern void __downgrade_write(struct rw_semaphore *sem);
-static __inline__ int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
+static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
{
- int tmp = delta;
-
- __asm__ __volatile__(
- "1:\tlduw [%2], %%g1\n\t"
- "add %%g1, %1, %%g7\n\t"
- "cas [%2], %%g1, %%g7\n\t"
- "cmp %%g1, %%g7\n\t"
- "membar #StoreLoad | #StoreStore\n\t"
- "bne,pn %%icc, 1b\n\t"
- " nop\n\t"
- "mov %%g7, %0\n\t"
- : "=&r" (tmp)
- : "0" (tmp), "r" (sem)
- : "g1", "g7", "memory", "cc");
-
- return tmp + delta;
-}
-
-#define rwsem_atomic_add rwsem_atomic_update
-
-static __inline__ __u16 rwsem_cmpxchgw(struct rw_semaphore *sem, __u16 __old, __u16 __new)
-{
- u32 old = (sem->count & 0xffff0000) | (u32) __old;
- u32 new = (old & 0xffff0000) | (u32) __new;
- u32 prev;
-
-again:
- __asm__ __volatile__("cas [%2], %3, %0\n\t"
- "membar #StoreLoad | #StoreStore"
- : "=&r" (prev)
- : "0" (new), "r" (sem), "r" (old)
- : "memory");
-
- /* To give the same semantics as x86 cmpxchgw, keep trying
- * if only the upper 16-bits changed.
- */
- if (prev != old &&
- ((prev & 0xffff) == (old & 0xffff)))
- goto again;
-
- return prev & 0xffff;
+ return atomic_add_return(delta, (atomic_t *)(&sem->count));
}
-static __inline__ signed long rwsem_cmpxchg(struct rw_semaphore *sem, signed long old, signed long new)
+static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
{
- return cmpxchg(&sem->count,old,new);
+ atomic_add(delta, (atomic_t *)(&sem->count));
}
#endif /* __KERNEL__ */
diff --git a/include/asm-sparc64/spitfire.h b/include/asm-sparc64/spitfire.h
index 1aa932773af..962638c9d12 100644
--- a/include/asm-sparc64/spitfire.h
+++ b/include/asm-sparc64/spitfire.h
@@ -56,52 +56,6 @@ extern void cheetah_enable_pcache(void);
SPITFIRE_HIGHEST_LOCKED_TLBENT : \
CHEETAH_HIGHEST_LOCKED_TLBENT)
-static __inline__ unsigned long spitfire_get_isfsr(void)
-{
- unsigned long ret;
-
- __asm__ __volatile__("ldxa [%1] %2, %0"
- : "=r" (ret)
- : "r" (TLB_SFSR), "i" (ASI_IMMU));
- return ret;
-}
-
-static __inline__ unsigned long spitfire_get_dsfsr(void)
-{
- unsigned long ret;
-
- __asm__ __volatile__("ldxa [%1] %2, %0"
- : "=r" (ret)
- : "r" (TLB_SFSR), "i" (ASI_DMMU));
- return ret;
-}
-
-static __inline__ unsigned long spitfire_get_sfar(void)
-{
- unsigned long ret;
-
- __asm__ __volatile__("ldxa [%1] %2, %0"
- : "=r" (ret)
- : "r" (DMMU_SFAR), "i" (ASI_DMMU));
- return ret;
-}
-
-static __inline__ void spitfire_put_isfsr(unsigned long sfsr)
-{
- __asm__ __volatile__("stxa %0, [%1] %2\n\t"
- "membar #Sync"
- : /* no outputs */
- : "r" (sfsr), "r" (TLB_SFSR), "i" (ASI_IMMU));
-}
-
-static __inline__ void spitfire_put_dsfsr(unsigned long sfsr)
-{
- __asm__ __volatile__("stxa %0, [%1] %2\n\t"
- "membar #Sync"
- : /* no outputs */
- : "r" (sfsr), "r" (TLB_SFSR), "i" (ASI_DMMU));
-}
-
/* The data cache is write through, so this just invalidates the
* specified line.
*/
@@ -193,90 +147,6 @@ static __inline__ void spitfire_put_itlb_data(int entry, unsigned long data)
"i" (ASI_ITLB_DATA_ACCESS));
}
-/* Spitfire hardware assisted TLB flushes. */
-
-/* Context level flushes. */
-static __inline__ void spitfire_flush_dtlb_primary_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x40), "i" (ASI_DMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_itlb_primary_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x40), "i" (ASI_IMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_dtlb_secondary_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x50), "i" (ASI_DMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_itlb_secondary_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x50), "i" (ASI_IMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_dtlb_nucleus_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x60), "i" (ASI_DMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_itlb_nucleus_context(void)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (0x60), "i" (ASI_IMMU_DEMAP));
-}
-
-/* Page level flushes. */
-static __inline__ void spitfire_flush_dtlb_primary_page(unsigned long page)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (page), "i" (ASI_DMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_itlb_primary_page(unsigned long page)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (page), "i" (ASI_IMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_dtlb_secondary_page(unsigned long page)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (page | 0x10), "i" (ASI_DMMU_DEMAP));
-}
-
-static __inline__ void spitfire_flush_itlb_secondary_page(unsigned long page)
-{
- __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
- "membar #Sync"
- : /* No outputs */
- : "r" (page | 0x10), "i" (ASI_IMMU_DEMAP));
-}
-
static __inline__ void spitfire_flush_dtlb_nucleus_page(unsigned long page)
{
__asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index f9be2c5b4dc..ee4bdfc6b88 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -190,24 +190,23 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \
"wrpr %%g1, %%cwp\n\t" \
"ldx [%%g6 + %3], %%o6\n\t" \
"ldub [%%g6 + %2], %%o5\n\t" \
- "ldx [%%g6 + %4], %%o7\n\t" \
+ "ldub [%%g6 + %4], %%o7\n\t" \
"mov %%g6, %%l2\n\t" \
"wrpr %%o5, 0x0, %%wstate\n\t" \
"ldx [%%sp + 2047 + 0x70], %%i6\n\t" \
"ldx [%%sp + 2047 + 0x78], %%i7\n\t" \
"wrpr %%g0, 0x94, %%pstate\n\t" \
"mov %%l2, %%g6\n\t" \
- "ldx [%%g6 + %7], %%g4\n\t" \
+ "ldx [%%g6 + %6], %%g4\n\t" \
"wrpr %%g0, 0x96, %%pstate\n\t" \
- "andcc %%o7, %6, %%g0\n\t" \
- "beq,pt %%icc, 1f\n\t" \
+ "brz,pt %%o7, 1f\n\t" \
" mov %%g7, %0\n\t" \
"b,a ret_from_syscall\n\t" \
"1:\n\t" \
: "=&r" (last) \
: "0" (next->thread_info), \
- "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_FLAGS), "i" (TI_CWP), \
- "i" (_TIF_NEWCHILD), "i" (TI_TASK) \
+ "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \
+ "i" (TI_CWP), "i" (TI_TASK) \
: "cc", \
"g1", "g2", "g3", "g7", \
"l2", "l3", "l4", "l5", "l6", "l7", \
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index a1d25c06f92..352d9943661 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -47,7 +47,9 @@ struct thread_info {
struct pt_regs *kregs;
struct exec_domain *exec_domain;
int preempt_count; /* 0 => preemptable, <0 => BUG */
- int __pad;
+ __u8 new_child;
+ __u8 syscall_noerror;
+ __u16 __pad;
unsigned long *utraps;
@@ -87,6 +89,8 @@ struct thread_info {
#define TI_KREGS 0x00000028
#define TI_EXEC_DOMAIN 0x00000030
#define TI_PRE_COUNT 0x00000038
+#define TI_NEW_CHILD 0x0000003c
+#define TI_SYS_NOERROR 0x0000003d
#define TI_UTRAPS 0x00000040
#define TI_REG_WINDOW 0x00000048
#define TI_RWIN_SPTRS 0x000003c8
@@ -219,10 +223,10 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
#define TIF_NEWSIGNALS 6 /* wants new-style signals */
#define TIF_32BIT 7 /* 32-bit binary */
-#define TIF_NEWCHILD 8 /* just-spawned child process */
+/* flag bit 8 is available */
#define TIF_SECCOMP 9 /* secure computing */
#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
-#define TIF_SYSCALL_SUCCESS 11
+/* flag bit 11 is available */
/* NOTE: Thread flags >= 12 should be ones we have no interest
* in using in assembly, else we can't use the mask as
* an immediate value in instructions such as andcc.
@@ -239,10 +243,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
#define _TIF_NEWSIGNALS (1<<TIF_NEWSIGNALS)
#define _TIF_32BIT (1<<TIF_32BIT)
-#define _TIF_NEWCHILD (1<<TIF_NEWCHILD)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_SYSCALL_SUCCESS (1<<TIF_SYSCALL_SUCCESS)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-sparc64/timer.h b/include/asm-sparc64/timer.h
index ba33a2b6b7b..edc8e08c3a3 100644
--- a/include/asm-sparc64/timer.h
+++ b/include/asm-sparc64/timer.h
@@ -9,49 +9,8 @@
#include <linux/types.h>
-/* How timers work:
- *
- * On uniprocessors we just use counter zero for the system wide
- * ticker, this performs thread scheduling, clock book keeping,
- * and runs timer based events. Previously we used the Ultra
- * %tick interrupt for this purpose.
- *
- * On multiprocessors we pick one cpu as the master level 10 tick
- * processor. Here this counter zero tick handles clock book
- * keeping and timer events only. Each Ultra has it's level
- * 14 %tick interrupt set to fire off as well, even the master
- * tick cpu runs this locally. This ticker performs thread
- * scheduling, system/user tick counting for the current thread,
- * and also profiling if enabled.
- */
-
#include <linux/config.h>
-/* Two timers, traditionally steered to PIL's 10 and 14 respectively.
- * But since INO packets are used on sun5, we could use any PIL level
- * we like, however for now we use the normal ones.
- *
- * The 'reg' and 'interrupts' properties for these live in nodes named
- * 'counter-timer'. The first of three 'reg' properties describe where
- * the sun5_timer registers are. The other two I have no idea. (XXX)
- */
-struct sun5_timer {
- u64 count0;
- u64 limit0;
- u64 count1;
- u64 limit1;
-};
-
-#define SUN5_LIMIT_ENABLE 0x80000000
-#define SUN5_LIMIT_TOZERO 0x40000000
-#define SUN5_LIMIT_ZRESTART 0x20000000
-#define SUN5_LIMIT_CMASK 0x1fffffff
-
-/* Given a HZ value, set the limit register to so that the timer IRQ
- * gets delivered that often.
- */
-#define SUN5_HZ_TO_LIMIT(__hz) (1000000/(__hz))
-
struct sparc64_tick_ops {
void (*init_tick)(unsigned long);
unsigned long (*get_tick)(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 07:56:50 +0000