diff options
Diffstat (limited to 'arch/sparc/include')
-rw-r--r-- | arch/sparc/include/asm/btext.h | 6 | ||||
-rw-r--r-- | arch/sparc/include/asm/cacheflush_32.h | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/cacheflush_64.h | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/fcntl.h | 19 | ||||
-rw-r--r-- | arch/sparc/include/asm/leon.h | 45 | ||||
-rw-r--r-- | arch/sparc/include/asm/pci_64.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/prom.h | 55 | ||||
-rw-r--r-- | arch/sparc/include/asm/rwsem.h | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/smp_32.h | 9 | ||||
-rw-r--r-- | arch/sparc/include/asm/socket.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/spinlock_32.h | 62 | ||||
-rw-r--r-- | arch/sparc/include/asm/spinlock_64.h | 54 | ||||
-rw-r--r-- | arch/sparc/include/asm/spinlock_types.h | 8 | ||||
-rw-r--r-- | arch/sparc/include/asm/string_32.h | 78 | ||||
-rw-r--r-- | arch/sparc/include/asm/string_64.h | 25 | ||||
-rw-r--r-- | arch/sparc/include/asm/thread_info_64.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/uaccess_32.h | 15 | ||||
-rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 23 | ||||
-rw-r--r-- | arch/sparc/include/asm/unistd.h | 3 |
19 files changed, 182 insertions, 232 deletions
diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h new file mode 100644 index 000000000000..9b2bc6b6ed0a --- /dev/null +++ b/arch/sparc/include/asm/btext.h @@ -0,0 +1,6 @@ +#ifndef _SPARC_BTEXT_H +#define _SPARC_BTEXT_H + +extern int btext_find_display(void); + +#endif /* _SPARC_BTEXT_H */ diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h index 68ac10910271..2e468773f250 100644 --- a/arch/sparc/include/asm/cacheflush_32.h +++ b/arch/sparc/include/asm/cacheflush_32.h @@ -75,6 +75,7 @@ BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) extern void sparc_flush_page_to_ram(struct page *page); +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 #define flush_dcache_page(page) sparc_flush_page_to_ram(page) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h index c43321729b3b..b95384033e89 100644 --- a/arch/sparc/include/asm/cacheflush_64.h +++ b/arch/sparc/include/asm/cacheflush_64.h @@ -37,6 +37,7 @@ extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page); #endif extern void __flush_dcache_range(unsigned long start, unsigned long end); +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *page); #define flush_icache_page(vma, pg) do { } while(0) diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h index d4d9c9d852c3..3b9cfb39175e 100644 --- a/arch/sparc/include/asm/fcntl.h +++ b/arch/sparc/include/asm/fcntl.h @@ -1,14 +1,12 @@ #ifndef _SPARC_FCNTL_H #define _SPARC_FCNTL_H -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ #define O_APPEND 0x0008 #define FASYNC 0x0040 /* fcntl, for BSD compatibility */ #define O_CREAT 0x0200 /* not fcntl */ #define O_TRUNC 0x0400 /* not fcntl */ #define O_EXCL 0x0800 /* not fcntl */ -#define O_SYNC 0x2000 +#define O_DSYNC 0x2000 /* used to be O_SYNC, see below */ #define O_NONBLOCK 0x4000 #if defined(__sparc__) && defined(__arch64__) #define O_NDELAY 0x0004 @@ -20,6 +18,21 @@ #define O_DIRECT 0x100000 /* direct disk access hint */ #define O_NOATIME 0x200000 #define O_CLOEXEC 0x400000 +/* + * Before Linux 2.6.32 only O_DSYNC semantics were implemented, but using + * the O_SYNC flag. We continue to use the existing numerical value + * for O_DSYNC semantics now, but using the correct symbolic name for it. + * This new value is used to request true Posix O_SYNC semantics. It is + * defined in this strange way to make sure applications compiled against + * new headers get at least O_DSYNC semantics on older kernels. + * + * This has the nice side-effect that we can simply test for O_DSYNC + * wherever we do not care if O_DSYNC or O_SYNC is used. + * + * Note: __O_SYNC must never be used directly. + */ +#define __O_SYNC 0x800000 +#define O_SYNC (__O_SYNC|O_DSYNC) #define F_GETOWN 5 /* for sockets. */ #define F_SETOWN 6 /* for sockets. */ diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 28a42b73f64f..3ea5964c43b4 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -148,7 +148,7 @@ static inline unsigned long leon_load_reg(unsigned long paddr) return retval; } -extern inline void leon_srmmu_disabletlb(void) +static inline void leon_srmmu_disabletlb(void) { unsigned int retval; __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), @@ -158,7 +158,7 @@ extern inline void leon_srmmu_disabletlb(void) "i"(ASI_LEON_MMUREGS) : "memory"); } -extern inline void leon_srmmu_enabletlb(void) +static inline void leon_srmmu_enabletlb(void) { unsigned int retval; __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), @@ -190,7 +190,7 @@ extern void leon_init_IRQ(void); extern unsigned long last_valid_pfn; -extern inline unsigned long sparc_leon3_get_dcachecfg(void) +static inline unsigned long sparc_leon3_get_dcachecfg(void) { unsigned int retval; __asm__ __volatile__("lda [%1] %2, %0\n\t" : @@ -201,7 +201,7 @@ extern inline unsigned long sparc_leon3_get_dcachecfg(void) } /* enable snooping */ -extern inline void sparc_leon3_enable_snooping(void) +static inline void sparc_leon3_enable_snooping(void) { __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" "set 0x800000, %%l2\n\t" @@ -209,7 +209,14 @@ extern inline void sparc_leon3_enable_snooping(void) "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); }; -extern inline void sparc_leon3_disable_cache(void) +static inline int sparc_leon3_snooping_enabled(void) +{ + u32 cctrl; + __asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl)); + return (cctrl >> 23) & 1; +}; + +static inline void sparc_leon3_disable_cache(void) { __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" "set 0x00000f, %%l2\n\t" @@ -340,6 +347,30 @@ extern int leon_flush_needed(void); extern void leon_switch_mm(void); extern int srmmu_swprobe_trace; +#ifdef CONFIG_SMP +extern int leon_smp_nrcpus(void); +extern void leon_clear_profile_irq(int cpu); +extern void leon_smp_done(void); +extern void leon_boot_cpus(void); +extern int leon_boot_one_cpu(int i); +void leon_init_smp(void); +extern void cpu_probe(void); +extern void cpu_idle(void); +extern void init_IRQ(void); +extern void cpu_panic(void); +extern int __leon_processor_id(void); +void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu); + +extern unsigned int real_irq_entry[], smpleon_ticker[]; +extern unsigned int patchme_maybe_smp_msg[]; +extern unsigned long trapbase_cpu1[]; +extern unsigned long trapbase_cpu2[]; +extern unsigned long trapbase_cpu3[]; +extern unsigned int t_nmi[], linux_trap_ipi15_leon[]; +extern unsigned int linux_trap_ipi15_sun4m[]; + +#endif /* CONFIG_SMP */ + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ @@ -356,6 +387,10 @@ extern int srmmu_swprobe_trace; #define leon_switch_mm() do {} while (0) #define leon_init_IRQ() do {} while (0) #define init_leon() do {} while (0) +#define leon_smp_done() do {} while (0) +#define leon_boot_cpus() do {} while (0) +#define leon_boot_one_cpu(i) 1 +#define leon_init_smp() do {} while (0) #endif /* !defined(CONFIG_SPARC_LEON) */ diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index b63e51c3c3ee..b0576df6ec83 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -16,8 +16,6 @@ #define PCI_IRQ_NONE 0xffffffff -#define PCI_CACHE_LINE_BYTES 64 - static inline void pcibios_set_master(struct pci_dev *dev) { /* No special bus mastering setup handling */ diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index 82a190d7efc1..f845828ca4c6 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -1,3 +1,4 @@ +#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ #ifndef _SPARC_PROM_H #define _SPARC_PROM_H #ifdef __KERNEL__ @@ -28,50 +29,11 @@ #define of_prop_cmp(s1, s2) strcasecmp((s1), (s2)) #define of_node_cmp(s1, s2) strcmp((s1), (s2)) -typedef u32 phandle; -typedef u32 ihandle; - -struct property { - char *name; - int length; - void *value; - struct property *next; - unsigned long _flags; - unsigned int unique_id; -}; - -struct of_irq_controller; -struct device_node { - const char *name; - const char *type; - phandle node; - char *path_component_name; - char *full_name; - - struct property *properties; - struct property *deadprops; /* removed properties */ - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; - unsigned int unique_id; - - struct of_irq_controller *irq_trans; -}; - struct of_irq_controller { unsigned int (*irq_build)(struct device_node *, unsigned int, void *); void *data; }; -#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) -#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) - extern struct device_node *of_find_node_by_cpuid(int cpuid); extern int of_set_property(struct device_node *node, const char *name, void *val, int len); extern struct mutex of_set_property_mutex; @@ -89,15 +51,6 @@ extern void prom_build_devicetree(void); extern void of_populate_present_mask(void); extern void of_fill_in_cpu_data(void); -/* Dummy ref counting routines - to be implemented later */ -static inline struct device_node *of_node_get(struct device_node *node) -{ - return node; -} -static inline void of_node_put(struct device_node *node) -{ -} - /* These routines are here to provide compatibility with how powerpc * handles IRQ mapping for OF device nodes. We precompute and permanently * register them in the of_device objects, whereas powerpc computes them @@ -108,12 +61,6 @@ static inline void irq_dispose_mapping(unsigned int virq) { } -/* - * NB: This is here while we transition from using asm/prom.h - * to linux/of.h - */ -#include <linux/of.h> - extern struct device_node *of_console_device; extern char *of_console_path; extern char *of_console_options; diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h index 1dc129ac2feb..6e5621006f85 100644 --- a/arch/sparc/include/asm/rwsem.h +++ b/arch/sparc/include/asm/rwsem.h @@ -35,8 +35,8 @@ struct rw_semaphore { #endif #define __RWSEM_INITIALIZER(name) \ -{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEP_MAP_INIT(name) } +{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \ + LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) } #define DECLARE_RWSEM(name) \ struct rw_semaphore name = __RWSEM_INITIALIZER(name) diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 58101dc70493..841905c10215 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -106,6 +106,15 @@ static inline int hard_smp4d_processor_id(void) return cpuid; } +extern inline int hard_smpleon_processor_id(void) +{ + int cpuid; + __asm__ __volatile__("rd %%asr17,%0\n\t" + "srl %0,28,%0" : + "=&r" (cpuid) : ); + return cpuid; +} + #ifndef MODULE static inline int hard_smp_processor_id(void) { diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h index 3a5ae3d12088..9d3fefcff2f5 100644 --- a/arch/sparc/include/asm/socket.h +++ b/arch/sparc/include/asm/socket.h @@ -56,6 +56,8 @@ #define SO_TIMESTAMPING 0x0023 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_RXQ_OVFL 0x0024 + /* Security levels - as per NRL IPv6 - don't actually do anything */ #define SO_SECURITY_AUTHENTICATION 0x5001 #define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index 857630cff636..7f9b9dba38a6 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -10,12 +10,12 @@ #include <asm/psr.h> -#define __raw_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) +#define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) -#define __raw_spin_unlock_wait(lock) \ - do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) +#define arch_spin_unlock_wait(lock) \ + do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0) -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { __asm__ __volatile__( "\n1:\n\t" @@ -35,7 +35,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) : "g2", "memory", "cc"); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { unsigned int result; __asm__ __volatile__("ldstub [%1], %0" @@ -45,7 +45,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) return (result == 0); } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { __asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory"); } @@ -65,7 +65,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) * Sort of like atomic_t's on Sparc, but even more clever. * * ------------------------------------ - * | 24-bit counter | wlock | raw_rwlock_t + * | 24-bit counter | wlock | arch_rwlock_t * ------------------------------------ * 31 8 7 0 * @@ -76,9 +76,9 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) * * Unfortunately this scheme limits us to ~16,000,000 cpus. */ -static inline void arch_read_lock(raw_rwlock_t *rw) +static inline void __arch_read_lock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -89,16 +89,16 @@ static inline void arch_read_lock(raw_rwlock_t *rw) : "g2", "g4", "memory", "cc"); } -#define __raw_read_lock(lock) \ +#define arch_read_lock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - arch_read_lock(lock); \ + __arch_read_lock(lock); \ local_irq_restore(flags); \ } while(0) -static inline void arch_read_unlock(raw_rwlock_t *rw) +static inline void __arch_read_unlock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -109,16 +109,16 @@ static inline void arch_read_unlock(raw_rwlock_t *rw) : "g2", "g4", "memory", "cc"); } -#define __raw_read_unlock(lock) \ +#define arch_read_unlock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - arch_read_unlock(lock); \ + __arch_read_unlock(lock); \ local_irq_restore(flags); \ } while(0) -static inline void __raw_write_lock(raw_rwlock_t *rw) +static inline void arch_write_lock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -130,7 +130,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) *(volatile __u32 *)&lp->lock = ~0U; } -static inline int __raw_write_trylock(raw_rwlock_t *rw) +static inline int arch_write_trylock(arch_rwlock_t *rw) { unsigned int val; @@ -150,9 +150,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) return (val == 0); } -static inline int arch_read_trylock(raw_rwlock_t *rw) +static inline int __arch_read_trylock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); register int res asm("o0"); lp = rw; __asm__ __volatile__( @@ -165,27 +165,27 @@ static inline int arch_read_trylock(raw_rwlock_t *rw) return res; } -#define __raw_read_trylock(lock) \ +#define arch_read_trylock(lock) \ ({ unsigned long flags; \ int res; \ local_irq_save(flags); \ - res = arch_read_trylock(lock); \ + res = __arch_read_trylock(lock); \ local_irq_restore(flags); \ res; \ }) -#define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0) +#define arch_write_unlock(rw) do { (rw)->lock = 0; } while(0) -#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) -#define __raw_read_lock_flags(rw, flags) __raw_read_lock(rw) -#define __raw_write_lock_flags(rw, flags) __raw_write_lock(rw) +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) +#define arch_read_lock_flags(rw, flags) arch_read_lock(rw) +#define arch_write_lock_flags(rw, flags) arch_write_lock(rw) -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() -#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) -#define __raw_write_can_lock(rw) (!(rw)->lock) +#define arch_read_can_lock(rw) (!((rw)->lock & 0xff)) +#define arch_write_can_lock(rw) (!(rw)->lock) #endif /* !(__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 43e514783582..073936a8b275 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -21,13 +21,13 @@ * the spinner sections must be pre-V9 branches. */ -#define __raw_spin_is_locked(lp) ((lp)->lock != 0) +#define arch_spin_is_locked(lp) ((lp)->lock != 0) -#define __raw_spin_unlock_wait(lp) \ +#define arch_spin_unlock_wait(lp) \ do { rmb(); \ } while((lp)->lock) -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { unsigned long tmp; @@ -46,7 +46,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) : "memory"); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { unsigned long result; @@ -59,7 +59,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) return (result == 0UL); } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { __asm__ __volatile__( " stb %%g0, [%0]" @@ -68,7 +68,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) : "memory"); } -static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) +static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { unsigned long tmp1, tmp2; @@ -92,7 +92,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ -static void inline arch_read_lock(raw_rwlock_t *lock) +static void inline arch_read_lock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -115,7 +115,7 @@ static void inline arch_read_lock(raw_rwlock_t *lock) : "memory"); } -static int inline arch_read_trylock(raw_rwlock_t *lock) +static int inline arch_read_trylock(arch_rwlock_t *lock) { int tmp1, tmp2; @@ -136,7 +136,7 @@ static int inline arch_read_trylock(raw_rwlock_t *lock) return tmp1; } -static void inline arch_read_unlock(raw_rwlock_t *lock) +static void inline arch_read_unlock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -152,7 +152,7 @@ static void inline arch_read_unlock(raw_rwlock_t *lock) : "memory"); } -static void inline arch_write_lock(raw_rwlock_t *lock) +static void inline arch_write_lock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2; @@ -177,7 +177,7 @@ static void inline arch_write_lock(raw_rwlock_t *lock) : "memory"); } -static void inline arch_write_unlock(raw_rwlock_t *lock) +static void inline arch_write_unlock(arch_rwlock_t *lock) { __asm__ __volatile__( " stw %%g0, [%0]" @@ -186,7 +186,7 @@ static void inline arch_write_unlock(raw_rwlock_t *lock) : "memory"); } -static int inline arch_write_trylock(raw_rwlock_t *lock) +static int inline arch_write_trylock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2, result; @@ -210,21 +210,21 @@ static int inline arch_write_trylock(raw_rwlock_t *lock) return result; } -#define __raw_read_lock(p) arch_read_lock(p) -#define __raw_read_lock_flags(p, f) arch_read_lock(p) -#define __raw_read_trylock(p) arch_read_trylock(p) -#define __raw_read_unlock(p) arch_read_unlock(p) -#define __raw_write_lock(p) arch_write_lock(p) -#define __raw_write_lock_flags(p, f) arch_write_lock(p) -#define __raw_write_unlock(p) arch_write_unlock(p) -#define __raw_write_trylock(p) arch_write_trylock(p) - -#define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) -#define __raw_write_can_lock(rw) (!(rw)->lock) - -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_read_lock(p) arch_read_lock(p) +#define arch_read_lock_flags(p, f) arch_read_lock(p) +#define arch_read_trylock(p) arch_read_trylock(p) +#define arch_read_unlock(p) arch_read_unlock(p) +#define arch_write_lock(p) arch_write_lock(p) +#define arch_write_lock_flags(p, f) arch_write_lock(p) +#define arch_write_unlock(p) arch_write_unlock(p) +#define arch_write_trylock(p) arch_write_trylock(p) + +#define arch_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) +#define arch_write_can_lock(rw) (!(rw)->lock) + +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() #endif /* !(__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h index 37cbe01c585b..9c454fdeaad8 100644 --- a/arch/sparc/include/asm/spinlock_types.h +++ b/arch/sparc/include/asm/spinlock_types.h @@ -7,14 +7,14 @@ typedef struct { volatile unsigned char lock; -} raw_spinlock_t; +} arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { 0 } +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } typedef struct { volatile unsigned int lock; -} raw_rwlock_t; +} arch_rwlock_t; -#define __RAW_RW_LOCK_UNLOCKED { 0 } +#define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h index 6c5fddb7e6b5..edf196ee4ef8 100644 --- a/arch/sparc/include/asm/string_32.h +++ b/arch/sparc/include/asm/string_32.h @@ -16,8 +16,6 @@ #ifdef __KERNEL__ extern void __memmove(void *,const void *,__kernel_size_t); -extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t); -extern __kernel_size_t __memset(void *,int,__kernel_size_t); #ifndef EXPORT_SYMTAB_STROPS @@ -32,82 +30,10 @@ extern __kernel_size_t __memset(void *,int,__kernel_size_t); }) #define __HAVE_ARCH_MEMCPY - -static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n) -{ - extern void __copy_1page(void *, const void *); - - if(n <= 32) { - __builtin_memcpy(to, from, n); - } else if (((unsigned int) to & 7) != 0) { - /* Destination is not aligned on the double-word boundary */ - __memcpy(to, from, n); - } else { - switch(n) { - case PAGE_SIZE: - __copy_1page(to, from); - break; - default: - __memcpy(to, from, n); - break; - } - } - return to; -} - -static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n) -{ - __memcpy(to, from, n); - return to; -} - -#undef memcpy -#define memcpy(t, f, n) \ -(__builtin_constant_p(n) ? \ - __constant_memcpy((t),(f),(n)) : \ - __nonconstant_memcpy((t),(f),(n))) +#define memcpy(t, f, n) __builtin_memcpy(t, f, n) #define __HAVE_ARCH_MEMSET - -static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count) -{ - extern void bzero_1page(void *); - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if(!c) { - if(count == PAGE_SIZE) - bzero_1page(s); - else - __bzero(s, count); - } else { - __memset(s, c, count); - } - return s; -} - -static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count) -{ - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if(!c) - __bzero(s, count); - else - __memset(s, c, count); - return s; -} - -static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count) -{ - __memset(s, c, count); - return s; -} - -#undef memset -#define memset(s, c, count) \ -(__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \ - __constant_c_and_count_memset((s), (c), (count)) : \ - __constant_c_memset((s), (c), (count))) \ - : __nonconstant_memset((s), (c), (count))) +#define memset(s, c, count) __builtin_memset(s, c, count) #define __HAVE_ARCH_MEMSCAN diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h index 43161f2d17eb..9623bc213158 100644 --- a/arch/sparc/include/asm/string_64.h +++ b/arch/sparc/include/asm/string_64.h @@ -15,8 +15,6 @@ #include <asm/asi.h> -extern void *__memset(void *,int,__kernel_size_t); - #ifndef EXPORT_SYMTAB_STROPS /* First the mem*() things. */ @@ -24,29 +22,10 @@ extern void *__memset(void *,int,__kernel_size_t); extern void *memmove(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMCPY -extern void *memcpy(void *, const void *, __kernel_size_t); +#define memcpy(t, f, n) __builtin_memcpy(t, f, n) #define __HAVE_ARCH_MEMSET -extern void *__builtin_memset(void *,int,__kernel_size_t); - -static inline void *__constant_memset(void *s, int c, __kernel_size_t count) -{ - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if (!c) { - __bzero(s, count); - return s; - } else - return __memset(s, c, count); -} - -#undef memset -#define memset(s, c, count) \ -((__builtin_constant_p(count) && (count) <= 32) ? \ - __builtin_memset((s), (c), (count)) : \ - (__builtin_constant_p(c) ? \ - __constant_memset((s), (c), (count)) : \ - __memset((s), (c), (count)))) +#define memset(s, c, count) __builtin_memset(s, c, count) #define __HAVE_ARCH_MEMSCAN diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 1b45a7bbe407..7257ebb8f394 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -227,6 +227,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); /* flag bit 8 is available */ #define TIF_SECCOMP 9 /* secure computing */ #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ +#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ /* 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 @@ -246,6 +247,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_32BIT (1<<TIF_32BIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1<<TIF_FREEZE) diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 8303ac481034..489d2ba92bcb 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -260,8 +260,23 @@ static inline unsigned long __copy_to_user(void __user *to, const void *from, un return __copy_user(to, (__force void __user *) from, n); } +extern void copy_from_user_overflow(void) +#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS + __compiletime_error("copy_from_user() buffer size is not provably correct") +#else + __compiletime_warning("copy_from_user() buffer size is not provably correct") +#endif +; + static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { + int sz = __compiletime_object_size(to); + + if (unlikely(sz != -1 && sz < n)) { + copy_from_user_overflow(); + return -EFAULT; + } + if (n && __access_ok((unsigned long) from, n)) return __copy_user((__force void __user *) to, from, n); else diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 9ea271e19c70..dbc141660994 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -6,6 +6,7 @@ */ #ifdef __KERNEL__ +#include <linux/errno.h> #include <linux/compiler.h> #include <linux/string.h> #include <linux/thread_info.h> @@ -204,6 +205,14 @@ __asm__ __volatile__( \ extern int __get_user_bad(void); +extern void copy_from_user_overflow(void) +#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS + __compiletime_error("copy_from_user() buffer size is not provably correct") +#else + __compiletime_warning("copy_from_user() buffer size is not provably correct") +#endif +; + extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long size); @@ -212,10 +221,16 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from, static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long size) { - unsigned long ret = ___copy_from_user(to, from, size); - - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); + unsigned long ret = (unsigned long) -EFAULT; + int sz = __compiletime_object_size(to); + + if (likely(sz == -1 || sz >= size)) { + ret = ___copy_from_user(to, from, size); + if (unlikely(ret)) + ret = copy_from_user_fixup(to, from, size); + } else { + copy_from_user_overflow(); + } return ret; } #define __copy_from_user copy_from_user diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 42f2316c3eaa..cb4b9bfd0d87 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -396,8 +396,9 @@ #define __NR_pwritev 325 #define __NR_rt_tgsigqueueinfo 326 #define __NR_perf_event_open 327 +#define __NR_recvmmsg 328 -#define NR_SYSCALLS 328 +#define NR_syscalls 329 #ifdef __32bit_syscall_numbers__ /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, |