diff options
Diffstat (limited to 'arch/microblaze')
67 files changed, 248 insertions, 2030 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index b50b845fdd50..2db722d80d4d 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -53,6 +53,9 @@ config GENERIC_HARDIRQS_NO__DO_IRQ config GENERIC_GPIO def_bool y +config GENERIC_CSUM + def_bool y + config PCI def_bool n diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile index d0bcf80a1136..8439598d4655 100644 --- a/arch/microblaze/Makefile +++ b/arch/microblaze/Makefile @@ -6,14 +6,16 @@ endif # What CPU vesion are we building for, and crack it open # as major.minor.rev -CPU_VER=$(subst ",,$(CONFIG_XILINX_MICROBLAZE0_HW_VER) ) -CPU_MAJOR=$(shell echo $(CPU_VER) | cut -d '.' -f 1) -CPU_MINOR=$(shell echo $(CPU_VER) | cut -d '.' -f 2) -CPU_REV=$(shell echo $(CPU_VER) | cut -d '.' -f 3) +CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER)) +CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1) +CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2) +CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3) export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV # Use cpu-related CONFIG_ vars to set compile options. +# The various CONFIG_XILINX cpu features options are integers 0/1/2... +# rather than bools y/n # Work out HW multipler support. This is icky. # 1. Spartan2 has no HW multiplers. @@ -34,30 +36,29 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) -# The various CONFIG_XILINX cpu features options are integers 0/1/2... -# rather than bools y/n - # r31 holds current when in kernel mode -CFLAGS_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) +KBUILD_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) LDFLAGS := LDFLAGS_vmlinux := -LDFLAGS_BLOB := --format binary --oformat elf32-microblaze -LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name) +LIBGCC := $(shell $(CC) $(KBUILD_KERNEL) -print-libgcc-file-name) -head-y := arch/microblaze/kernel/head.o -libs-y += arch/microblaze/lib/ $(LIBGCC) -core-y += arch/microblaze/kernel/ arch/microblaze/mm/ \ - arch/microblaze/platform/ +head-y := arch/microblaze/kernel/head.o +libs-y += arch/microblaze/lib/ +libs-y += $(LIBGCC) +core-y += arch/microblaze/kernel/ +core-y += arch/microblaze/mm/ +core-y += arch/microblaze/platform/ -boot := arch/$(ARCH)/boot +boot := arch/microblaze/boot # defines filename extension depending memory management type ifeq ($(CONFIG_MMU),) -MMUEXT := -nommu +MMU := -nommu endif -export MMUEXT + +export MMU all: linux.bin diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index 0de612ad7cb2..6d2e1d418be7 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -1,95 +1,7 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_ATOMIC_H #define _ASM_MICROBLAZE_ATOMIC_H -#include <linux/types.h> -#include <linux/compiler.h> /* likely */ -#include <asm/system.h> /* local_irq_XXX and friends */ - -#define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = (i)) - -#define atomic_inc(v) (atomic_add_return(1, (v))) -#define atomic_dec(v) (atomic_sub_return(1, (v))) - -#define atomic_add(i, v) (atomic_add_return(i, (v))) -#define atomic_sub(i, v) (atomic_sub_return(i, (v))) - -#define atomic_inc_return(v) (atomic_add_return(1, (v))) -#define atomic_dec_return(v) (atomic_sub_return(1, (v))) - -#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) -#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) - -#define atomic_inc_not_zero(v) (atomic_add_unless((v), 1, 0)) - -#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - local_irq_restore(flags); - - return ret; -} - -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - - c = atomic_read(v); - while (c != u && (old = atomic_cmpxchg((v), c, c + a)) != c) - c = old; - return c != u; -} - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) -{ - unsigned long flags; - - local_irq_save(flags); - *addr &= ~mask; - local_irq_restore(flags); -} - -/** - * atomic_add_return - add and return - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns @i + @v - */ -static inline int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int val; - - local_irq_save(flags); - val = v->counter; - v->counter = val += i; - local_irq_restore(flags); - - return val; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - return atomic_add_return(-i, v); -} +#include <asm-generic/atomic.h> /* * Atomically test *v and decrement if it is greater than 0. @@ -109,15 +21,4 @@ static inline int atomic_dec_if_positive(atomic_t *v) return res; } -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#include <asm-generic/atomic-long.h> - #endif /* _ASM_MICROBLAZE_ATOMIC_H */ diff --git a/arch/microblaze/include/asm/bitops.h b/arch/microblaze/include/asm/bitops.h index d6df1fd4e1e8..a72468f15c8b 100644 --- a/arch/microblaze/include/asm/bitops.h +++ b/arch/microblaze/include/asm/bitops.h @@ -1,27 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BITOPS_H -#define _ASM_MICROBLAZE_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - */ - -#include <asm/byteorder.h> /* swab32 */ -#include <asm/system.h> /* save_flags */ - -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() #include <asm-generic/bitops.h> -#include <asm-generic/bitops/__fls.h> - -#endif /* _ASM_MICROBLAZE_BITOPS_H */ diff --git a/arch/microblaze/include/asm/bug.h b/arch/microblaze/include/asm/bug.h index 8eb2cdde11d7..b12fd89e42e9 100644 --- a/arch/microblaze/include/asm/bug.h +++ b/arch/microblaze/include/asm/bug.h @@ -1,15 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUG_H -#define _ASM_MICROBLAZE_BUG_H - -#include <linux/kernel.h> #include <asm-generic/bug.h> - -#endif /* _ASM_MICROBLAZE_BUG_H */ diff --git a/arch/microblaze/include/asm/bugs.h b/arch/microblaze/include/asm/bugs.h index f2c6593653fb..61791e1ad9f5 100644 --- a/arch/microblaze/include/asm/bugs.h +++ b/arch/microblaze/include/asm/bugs.h @@ -1,17 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUGS_H -#define _ASM_MICROBLAZE_BUGS_H - -static inline void check_bugs(void) -{ - /* nothing to do */ -} - -#endif /* _ASM_MICROBLAZE_BUGS_H */ +#include <asm-generic/bugs.h> diff --git a/arch/microblaze/include/asm/checksum.h b/arch/microblaze/include/asm/checksum.h index 97ea46b5cf80..128bf03b54b7 100644 --- a/arch/microblaze/include/asm/checksum.h +++ b/arch/microblaze/include/asm/checksum.h @@ -10,12 +10,11 @@ #ifndef _ASM_MICROBLAZE_CHECKSUM_H #define _ASM_MICROBLAZE_CHECKSUM_H -#include <linux/in6.h> - /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ +#define csum_tcpudp_nofold csum_tcpudp_nofold static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, __wsum sum) @@ -30,71 +29,6 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, return sum; } -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * the same as csum_partial, but copies from src while it - * checksums - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy(const void *src, void *dst, int len, - __wsum sum); - -/* - * the same as csum_partial_copy, but copies from user space. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *csum_err); - -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy((src), (dst), (len), (sum)) - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -/* - * Fold a partial checksum - */ -static inline __sum16 csum_fold(__wsum csum) -{ - u32 sum = (__force u32)csum; - sum = (sum & 0xffff) + (sum >> 16); - sum = (sum & 0xffff) + (sum >> 16); - return (__force __sum16)~sum; -} - -static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -extern __sum16 ip_compute_csum(const void *buff, int len); +#include <asm-generic/checksum.h> #endif /* _ASM_MICROBLAZE_CHECKSUM_H */ diff --git a/arch/microblaze/include/asm/fb.h b/arch/microblaze/include/asm/fb.h new file mode 100644 index 000000000000..3a4988e8df45 --- /dev/null +++ b/arch/microblaze/include/asm/fb.h @@ -0,0 +1 @@ +#include <asm-generic/fb.h> diff --git a/arch/microblaze/include/asm/hardirq.h b/arch/microblaze/include/asm/hardirq.h index 0f2d6b013e11..41e1e1aa36ac 100644 --- a/arch/microblaze/include/asm/hardirq.h +++ b/arch/microblaze/include/asm/hardirq.h @@ -9,21 +9,11 @@ #ifndef _ASM_MICROBLAZE_HARDIRQ_H #define _ASM_MICROBLAZE_HARDIRQ_H -#include <linux/cache.h> -#include <linux/irq.h> -#include <asm/irq.h> -#include <asm/current.h> -#include <linux/ptrace.h> - /* should be defined in each interrupt controller driver */ extern unsigned int get_irq(struct pt_regs *regs); -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - +#define ack_bad_irq ack_bad_irq void ack_bad_irq(unsigned int irq); - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ +#include <asm-generic/hardirq.h> #endif /* _ASM_MICROBLAZE_HARDIRQ_H */ diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 5c173424d074..7c3ec13b44d8 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -14,7 +14,6 @@ #include <asm/byteorder.h> #include <asm/page.h> #include <linux/types.h> -#include <asm/byteorder.h> #include <linux/mm.h> /* Get struct page {...} */ diff --git a/arch/microblaze/include/asm/ioctls.h b/arch/microblaze/include/asm/ioctls.h index 03582b249204..ec34c760665e 100644 --- a/arch/microblaze/include/asm/ioctls.h +++ b/arch/microblaze/include/asm/ioctls.h @@ -1,91 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IOCTLS_H -#define _ASM_MICROBLAZE_IOCTLS_H - -#include <linux/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -/* Get Pty Number (of pty-mux device) */ -#define TIOCGPTN _IOR('T', 0x30, unsigned int) -#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ - -#define FIOQSIZE 0x545E - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif /* _ASM_MICROBLAZE_IOCTLS_H */ +#include <asm-generic/ioctls.h> diff --git a/arch/microblaze/include/asm/ipcbuf.h b/arch/microblaze/include/asm/ipcbuf.h index b056fa420654..84c7e51cb6d0 100644 --- a/arch/microblaze/include/asm/ipcbuf.h +++ b/arch/microblaze/include/asm/ipcbuf.h @@ -1,36 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IPCBUF_H -#define _ASM_MICROBLAZE_IPCBUF_H - -/* - * The user_ipc_perm structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm { - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_MICROBLAZE_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index db515deaa720..90f050535ebe 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -10,6 +10,7 @@ #define _ASM_MICROBLAZE_IRQ_H #define NR_IRQS 32 +#include <asm-generic/irq.h> #include <linux/interrupt.h> @@ -17,11 +18,6 @@ extern unsigned int nr_irq; #define NO_IRQ (-1) -static inline int irq_canonicalize(int irq) -{ - return irq; -} - struct pt_regs; extern void do_IRQ(struct pt_regs *regs); diff --git a/arch/microblaze/include/asm/mman.h b/arch/microblaze/include/asm/mman.h index 4914b1329445..8eebf89f5ab1 100644 --- a/arch/microblaze/include/asm/mman.h +++ b/arch/microblaze/include/asm/mman.h @@ -1,25 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMAN_H -#define _ASM_MICROBLAZE_MMAN_H - #include <asm-generic/mman.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* _ASM_MICROBLAZE_MMAN_H */ diff --git a/arch/microblaze/include/asm/mmu.h b/arch/microblaze/include/asm/mmu.h index 66cad6a99d77..8d6a654ceffb 100644 --- a/arch/microblaze/include/asm/mmu.h +++ b/arch/microblaze/include/asm/mmu.h @@ -12,12 +12,7 @@ #define _ASM_MICROBLAZE_MMU_H # ifndef CONFIG_MMU -# ifndef __ASSEMBLY__ -typedef struct { - struct vm_list_struct *vmlist; - unsigned long end_brk; -} mm_context_t; -# endif /* __ASSEMBLY__ */ +# include <asm-generic/mmu.h> # else /* CONFIG_MMU */ # ifdef __KERNEL__ # ifndef __ASSEMBLY__ diff --git a/arch/microblaze/include/asm/mmu_context.h b/arch/microblaze/include/asm/mmu_context.h index 385fed16bbfb..24eab1674d3e 100644 --- a/arch/microblaze/include/asm/mmu_context.h +++ b/arch/microblaze/include/asm/mmu_context.h @@ -1,5 +1,5 @@ #ifdef CONFIG_MMU # include "mmu_context_mm.h" #else -# include "mmu_context_no.h" +# include <asm-generic/mmu_context.h> #endif diff --git a/arch/microblaze/include/asm/mmu_context_no.h b/arch/microblaze/include/asm/mmu_context_no.h deleted file mode 100644 index ba5567190154..000000000000 --- a/arch/microblaze/include/asm/mmu_context_no.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2008-2009 PetaLogix - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H -#define _ASM_MICROBLAZE_MMU_CONTEXT_H - -# define init_new_context(tsk, mm) ({ 0; }) - -# define enter_lazy_tlb(mm, tsk) do {} while (0) -# define change_mm_context(old, ctx, _pml4) do {} while (0) -# define destroy_context(mm) do {} while (0) -# define deactivate_mm(tsk, mm) do {} while (0) -# define switch_mm(prev, next, tsk) do {} while (0) -# define activate_mm(prev, next) do {} while (0) - -#endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */ diff --git a/arch/microblaze/include/asm/module.h b/arch/microblaze/include/asm/module.h index 914565a90315..7be1347fce42 100644 --- a/arch/microblaze/include/asm/module.h +++ b/arch/microblaze/include/asm/module.h @@ -9,6 +9,8 @@ #ifndef _ASM_MICROBLAZE_MODULE_H #define _ASM_MICROBLAZE_MODULE_H +#include <asm-generic/module.h> + /* Microblaze Relocations */ #define R_MICROBLAZE_NONE 0 #define R_MICROBLAZE_32 1 @@ -24,14 +26,6 @@ /* Keep this the last entry. */ #define R_MICROBLAZE_NUM 11 -struct mod_arch_specific { - int foo; -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr - typedef struct { volatile int counter; } module_t; #endif /* _ASM_MICROBLAZE_MODULE_H */ diff --git a/arch/microblaze/include/asm/msgbuf.h b/arch/microblaze/include/asm/msgbuf.h index 09dd97097211..809134c644a6 100644 --- a/arch/microblaze/include/asm/msgbuf.h +++ b/arch/microblaze/include/asm/msgbuf.h @@ -1,31 +1 @@ -#ifndef _ASM_MICROBLAZE_MSGBUF_H -#define _ASM_MICROBLAZE_MSGBUF_H - -/* - * The msqid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct msqid64_ds { - struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ - unsigned long __unused1; - __kernel_time_t msg_rtime; /* last msgrcv time */ - unsigned long __unused2; - __kernel_time_t msg_ctime; /* last change time */ - unsigned long __unused3; - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused4; - unsigned long __unused5; -}; - -#endif /* _ASM_MICROBLAZE_MSGBUF_H */ +#include <asm-generic/msgbuf.h> diff --git a/arch/microblaze/include/asm/param.h b/arch/microblaze/include/asm/param.h index 8c538a49616d..965d45427975 100644 --- a/arch/microblaze/include/asm/param.h +++ b/arch/microblaze/include/asm/param.h @@ -1,30 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_PARAM_H -#define _ASM_MICROBLAZE_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* internal kernel timer frequency */ -#define USER_HZ 100 /* for user interfaces in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ -#endif /* __KERNEL__ */ - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_MICROBLAZE_PARAM_H */ +#include <asm-generic/param.h> diff --git a/arch/microblaze/include/asm/parport.h b/arch/microblaze/include/asm/parport.h new file mode 100644 index 000000000000..cf252af64590 --- /dev/null +++ b/arch/microblaze/include/asm/parport.h @@ -0,0 +1 @@ +#include <asm-generic/parport.h> diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index ca03794cf3f0..9f0df5faf2c8 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -1 +1 @@ -#include <linux/io.h> +#include <asm-generic/pci.h> diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h index 59a757e46ba5..b0131da1387b 100644 --- a/arch/microblaze/include/asm/pgalloc.h +++ b/arch/microblaze/include/asm/pgalloc.h @@ -180,7 +180,7 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage) __free_page(ptepage); } -#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) #define pmd_populate(mm, pmd, pte) (pmd_val(*(pmd)) = page_address(pte)) @@ -193,7 +193,7 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage) */ #define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) /*#define pmd_free(mm, x) do { } while (0)*/ -#define __pmd_free_tlb(tlb, x) do { } while (0) +#define __pmd_free_tlb(tlb, x, addr) do { } while (0) #define pgd_populate(mm, pmd, pte) BUG() extern int do_check_pgt_cache(int, int); diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 4c57a586a989..cc3a4dfc3eaa 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -185,6 +185,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } /* Definitions for MicroBlaze. */ #define _PAGE_GUARDED 0x001 /* G: page is guarded from prefetch */ +#define _PAGE_FILE 0x001 /* when !present: nonlinear file mapping */ #define _PAGE_PRESENT 0x002 /* software: PTE contains a translation */ #define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */ #define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */ @@ -320,8 +321,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; } static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } -/* FIXME */ -static inline int pte_file(pte_t pte) { return 0; } +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } @@ -488,7 +488,7 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address) /* Encode and decode a nonlinear file mapping entry */ #define PTE_FILE_MAX_BITS 29 #define pte_to_pgoff(pte) (pte_val(pte) >> 3) -#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) }) +#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE }) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; diff --git a/arch/microblaze/include/asm/posix_types.h b/arch/microblaze/include/asm/posix_types.h index 8c758b231f37..0e15039673e3 100644 --- a/arch/microblaze/include/asm/posix_types.h +++ b/arch/microblaze/include/asm/posix_types.h @@ -1,73 +1,9 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_POSIX_TYPES_H #define _ASM_MICROBLAZE_POSIX_TYPES_H -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_ino_t; typedef unsigned short __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned int __kernel_old_uid_t; -typedef unsigned int __kernel_old_gid_t; -typedef unsigned int __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset(fdsetp, 0, sizeof(*(fd_set *)fdsetp))) +#define __kernel_mode_t __kernel_mode_t -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ +#include <asm-generic/posix_types.h> #endif /* _ASM_MICROBLAZE_POSIX_TYPES_H */ diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 20f7b3a926e8..37e6f305a68e 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -16,6 +16,18 @@ #define _ASM_MICROBLAZE_PROM_H #ifdef __KERNEL__ +/* Definitions used by the flattened device tree */ +#define OF_DT_HEADER 0xd00dfeed /* marker */ +#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ +#define OF_DT_END_NODE 0x2 /* End node */ +#define OF_DT_PROP 0x3 /* Property: name off, size, content */ +#define OF_DT_NOP 0x4 /* nop */ +#define OF_DT_END 0x9 + +#define OF_DT_VERSION 0x10 + +#ifndef __ASSEMBLY__ + #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/platform_device.h> @@ -29,16 +41,6 @@ #define of_prop_cmp(s1, s2) strcmp((s1), (s2)) #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - /* * This is what gets passed to the kernel by prom_init or kexec * @@ -309,5 +311,6 @@ extern void __iomem *of_iomap(struct device_node *device, int index); */ #include <linux/of.h> +#endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h index 08ff1d049b42..35d786fe93ae 100644 --- a/arch/microblaze/include/asm/scatterlist.h +++ b/arch/microblaze/include/asm/scatterlist.h @@ -1,28 +1 @@ -/* - * Copyright (C) 2008 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SCATTERLIST_H -#define _ASM_MICROBLAZE_SCATTERLIST_H - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - dma_addr_t dma_address; - unsigned int offset; - unsigned int length; -}; - -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) - -#define ISA_DMA_THRESHOLD (~0UL) - -#endif /* _ASM_MICROBLAZE_SCATTERLIST_H */ +#include <asm-generic/scatterlist.h> diff --git a/arch/microblaze/include/asm/sembuf.h b/arch/microblaze/include/asm/sembuf.h index b804ed71a57e..7673b83cfef7 100644 --- a/arch/microblaze/include/asm/sembuf.h +++ b/arch/microblaze/include/asm/sembuf.h @@ -1,34 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SEMBUF_H -#define _ASM_MICROBLAZE_SEMBUF_H - -/* - * The semid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ - unsigned long __unused1; - __kernel_time_t sem_ctime; /* last change time */ - unsigned long __unused2; - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused3; - unsigned long __unused4; -}; - - -#endif /* _ASM_MICROBLAZE_SEMBUF_H */ +#include <asm-generic/sembuf.h> diff --git a/arch/microblaze/include/asm/serial.h b/arch/microblaze/include/asm/serial.h index 39bfc8ce6af5..a0cb0caff152 100644 --- a/arch/microblaze/include/asm/serial.h +++ b/arch/microblaze/include/asm/serial.h @@ -1,14 +1 @@ -/* - * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SERIAL_H -#define _ASM_MICROBLAZE_SERIAL_H - -# define BASE_BAUD (1843200 / 16) - -#endif /* _ASM_MICROBLAZE_SERIAL_H */ +#include <asm-generic/serial.h> diff --git a/arch/microblaze/include/asm/shmbuf.h b/arch/microblaze/include/asm/shmbuf.h index f829c5843618..83c05fc2de38 100644 --- a/arch/microblaze/include/asm/shmbuf.h +++ b/arch/microblaze/include/asm/shmbuf.h @@ -1,42 +1 @@ -#ifndef _ASM_MICROBLAZE_SHMBUF_H -#define _ASM_MICROBLAZE_SHMBUF_H - -/* - * The shmid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ - unsigned long __unused1; - __kernel_time_t shm_dtime; /* last detach time */ - unsigned long __unused2; - __kernel_time_t shm_ctime; /* last change time */ - unsigned long __unused3; - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _ASM_MICROBLAZE_SHMBUF_H */ +#include <asm-generic/shmbuf.h> diff --git a/arch/microblaze/include/asm/shmparam.h b/arch/microblaze/include/asm/shmparam.h index 9f5fc2b3b6a3..93f30deb95d0 100644 --- a/arch/microblaze/include/asm/shmparam.h +++ b/arch/microblaze/include/asm/shmparam.h @@ -1,6 +1 @@ -#ifndef _ASM_MICROBLAZE_SHMPARAM_H -#define _ASM_MICROBLAZE_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* _ASM_MICROBLAZE_SHMPARAM_H */ +#include <asm-generic/shmparam.h> diff --git a/arch/microblaze/include/asm/siginfo.h b/arch/microblaze/include/asm/siginfo.h index f162911a8f50..0815d29d82e5 100644 --- a/arch/microblaze/include/asm/siginfo.h +++ b/arch/microblaze/include/asm/siginfo.h @@ -1,15 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGINFO_H -#define _ASM_MICROBLAZE_SIGINFO_H - -#include <linux/types.h> #include <asm-generic/siginfo.h> - -#endif /* _ASM_MICROBLAZE_SIGINFO_H */ diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h index 46bc2267d949..7b1573ce19de 100644 --- a/arch/microblaze/include/asm/signal.h +++ b/arch/microblaze/include/asm/signal.h @@ -1,165 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * Yasushi SHOJI <yashi@atmark-techno.com> - * Tetsuya OHKAWA <tetsuya@atmark-techno.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGNAL_H -#define _ASM_MICROBLAZE_SIGNAL_H - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -# ifndef __ASSEMBLY__ -# include <linux/types.h> -# include <asm-generic/signal-defs.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -# ifdef __KERNEL__ -/* - * Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ -# define _NSIG 64 -# define _NSIG_BPW 32 -# define _NSIG_WORDS (_NSIG / _NSIG_BPW) - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; - -# include <asm/sigcontext.h> -# undef __HAVE_ARCH_SIG_BITOPS - -# define ptrace_signal_deliver(regs, cookie) do { } while (0) - -# else /* !__KERNEL__ */ - -/* Here we must cater to libcs that poke about in kernel headers. */ - -# define NSIG 32 -typedef unsigned long sigset_t; - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -# define sa_handler _u._sa_handler -# define sa_sigaction _u._sa_sigaction - -# endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_SIGNAL_H */ +#include <asm-generic/signal.h> diff --git a/arch/microblaze/include/asm/socket.h b/arch/microblaze/include/asm/socket.h index 825936860314..6b71384b9d8b 100644 --- a/arch/microblaze/include/asm/socket.h +++ b/arch/microblaze/include/asm/socket.h @@ -1,69 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKET_H -#define _ASM_MICROBLAZE_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockoptions(2) */ -#define SOL_SOCKET 1 - -#define SO_DEBUG 1 -#define SO_REUSEADDR 2 -#define SO_TYPE 3 -#define SO_ERROR 4 -#define SO_DONTROUTE 5 -#define SO_BROADCAST 6 -#define SO_SNDBUF 7 -#define SO_RCVBUF 8 -#define SO_SNDBUFFORCE 32 -#define SO_RCVBUFFORCE 33 -#define SO_KEEPALIVE 9 -#define SO_OOBINLINE 10 -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_LINGER 13 -#define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ -#define SO_PASSCRED 16 -#define SO_PEERCRED 17 -#define SO_RCVLOWAT 18 -#define SO_SNDLOWAT 19 -#define SO_RCVTIMEO 20 -#define SO_SNDTIMEO 21 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 22 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 -#define SO_SECURITY_ENCRYPTION_NETWORK 24 - -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_ACCEPTCONN 30 - -#define SO_PEERSEC 31 -#define SO_PASSSEC 34 - -#define SO_TIMESTAMPNS 35 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -#define SO_MARK 36 - -#define SO_TIMESTAMPING 37 -#define SCM_TIMESTAMPING SO_TIMESTAMPING - -#endif /* _ASM_MICROBLAZE_SOCKET_H */ +#include <asm-generic/socket.h> diff --git a/arch/microblaze/include/asm/sockios.h b/arch/microblaze/include/asm/sockios.h index 9fff57a701e1..def6d4746ee7 100644 --- a/arch/microblaze/include/asm/sockios.h +++ b/arch/microblaze/include/asm/sockios.h @@ -1,23 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKIOS_H -#define _ASM_MICROBLAZE_SOCKIOS_H - -#include <linux/ioctl.h> - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ -#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ - -#endif /* _ASM_MICROBLAZE_SOCKIOS_H */ +#include <asm-generic/sockios.h> diff --git a/arch/microblaze/include/asm/stat.h b/arch/microblaze/include/asm/stat.h index a15f77520bfd..3dc90fa92c70 100644 --- a/arch/microblaze/include/asm/stat.h +++ b/arch/microblaze/include/asm/stat.h @@ -1,68 +1 @@ -/* - * Microblaze stat structure - * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#ifndef _ASM_MICROBLAZE_STAT_H -#define _ASM_MICROBLAZE_STAT_H - -#include <linux/posix_types.h> - -#define STAT_HAVE_NSEC 1 - -struct stat { - unsigned long st_dev; - unsigned long st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned int st_uid; - unsigned int st_gid; - unsigned long st_rdev; - unsigned long __pad1; - long st_size; - int st_blksize; - int __pad2; - long st_blocks; - int st_atime; - unsigned int st_atime_nsec; - int st_mtime; - unsigned int st_mtime_nsec; - int st_ctime; - unsigned int st_ctime_nsec; - unsigned long __unused4; - unsigned long __unused5; -}; - -struct stat64 { - unsigned long long st_dev; /* Device. */ - unsigned long long st_ino; /* File serial number. */ - unsigned int st_mode; /* File mode. */ - unsigned int st_nlink; /* Link count. */ - unsigned int st_uid; /* User ID of the file's owner. */ - unsigned int st_gid; /* Group ID of the file's group. */ - unsigned long long st_rdev; /* Device number, if device. */ - unsigned long long __pad1; - long long st_size; /* Size of file, in bytes. */ - int st_blksize; /* Optimal block size for I/O. */ - int __pad2; - long long st_blocks; /* Number 512-byte blocks allocated. */ - int st_atime; /* Time of last access. */ - unsigned int st_atime_nsec; - int st_mtime; /* Time of last modification. */ - unsigned int st_mtime_nsec; - int st_ctime; /* Time of last status change. */ - unsigned int st_ctime_nsec; - unsigned int __unused4; - unsigned int __unused5; -}; - -#endif /* _ASM_MICROBLAZE_STAT_H */ - +#include <asm-generic/stat.h> diff --git a/arch/microblaze/include/asm/swab.h b/arch/microblaze/include/asm/swab.h index b375d7b65ad7..7847e563ab66 100644 --- a/arch/microblaze/include/asm/swab.h +++ b/arch/microblaze/include/asm/swab.h @@ -1,8 +1 @@ -#ifndef _ASM_MICROBLAZE_SWAB_H -#define _ASM_MICROBLAZE_SWAB_H - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) -#define __SWAB_64_THRU_32__ -#endif - -#endif /* _ASM_MICROBLAZE_SWAB_H */ +#include <asm-generic/swab.h> diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h index ddea9eb31f8d..720761cc741f 100644 --- a/arch/microblaze/include/asm/syscalls.h +++ b/arch/microblaze/include/asm/syscalls.h @@ -1,48 +1,8 @@ #ifndef __ASM_MICROBLAZE_SYSCALLS_H -#define __ASM_MICROBLAZE_SYSCALLS_H -#ifdef __KERNEL__ -#include <linux/compiler.h> -#include <linux/linkage.h> -#include <linux/types.h> -#include <linux/signal.h> +asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs); +#define sys_clone sys_clone -/* FIXME will be removed */ -asmlinkage int sys_ipc(uint call, int first, int second, - int third, void *ptr, long fifth); +#include <asm-generic/syscalls.h> -struct pt_regs; -asmlinkage int sys_vfork(struct pt_regs *regs); -asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs); -asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv, - char __user *__user *envp, struct pt_regs *regs); - -asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); - -asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset); - -/* from signal.c */ -asmlinkage int sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs); - -asmlinkage int sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, - struct pt_regs *regs); - -asmlinkage int sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact); - -asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact, size_t sigsetsize); - -asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - struct pt_regs *regs); - -asmlinkage int sys_sigreturn(struct pt_regs *regs); - -asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); - -#endif /* __KERNEL__ */ #endif /* __ASM_MICROBLAZE_SYSCALLS_H */ diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h index c4e308850b5d..b1ed61590660 100644 --- a/arch/microblaze/include/asm/system.h +++ b/arch/microblaze/include/asm/system.h @@ -13,6 +13,9 @@ #include <asm/setup.h> #include <asm/irqflags.h> +#include <asm-generic/cmpxchg.h> +#include <asm-generic/cmpxchg-local.h> + struct task_struct; struct thread_info; diff --git a/arch/microblaze/include/asm/termbits.h b/arch/microblaze/include/asm/termbits.h index a1b64bc4724a..3935b106de79 100644 --- a/arch/microblaze/include/asm/termbits.h +++ b/arch/microblaze/include/asm/termbits.h @@ -1,203 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMBITS_H -#define _ASM_MICROBLAZE_TERMBITS_H - -#include <linux/posix_types.h> - -typedef unsigned char cc_t; -typedef unsigned int speed_t; -typedef unsigned int tcflag_t; - -#define NCCS 19 -struct termios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ -}; - -struct ktermios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ - speed_t c_ispeed; /* input speed */ - speed_t c_ospeed; /* output speed */ -}; - -/* c_cc characters */ - -#define VINTR 0 -#define VQUIT 1 -#define VERASE 2 -#define VKILL 3 -#define VEOF 4 -#define VTIME 5 -#define VMIN 6 -#define VSWTC 7 -#define VSTART 8 -#define VSTOP 9 -#define VSUSP 10 -#define VEOL 11 -#define VREPRINT 12 -#define VDISCARD 13 -#define VWERASE 14 -#define VLNEXT 15 -#define VEOL2 16 - -/* c_iflag bits */ - -#define IGNBRK 0000001 -#define BRKINT 0000002 -#define IGNPAR 0000004 -#define PARMRK 0000010 -#define INPCK 0000020 -#define ISTRIP 0000040 -#define INLCR 0000100 -#define IGNCR 0000200 -#define ICRNL 0000400 -#define IUCLC 0001000 -#define IXON 0002000 -#define IXANY 0004000 -#define IXOFF 0010000 -#define IMAXBEL 0020000 -#define IUTF8 0040000 - -/* c_oflag bits */ - -#define OPOST 0000001 -#define OLCUC 0000002 -#define ONLCR 0000004 -#define OCRNL 0000010 -#define ONOCR 0000020 -#define ONLRET 0000040 -#define OFILL 0000100 -#define OFDEL 0000200 -#define NLDLY 0000400 -#define NL0 0000000 -#define NL1 0000400 -#define CRDLY 0003000 -#define CR0 0000000 -#define CR1 0001000 -#define CR2 0002000 -#define CR3 0003000 -#define TABDLY 0014000 -#define TAB0 0000000 -#define TAB1 0004000 -#define TAB2 0010000 -#define TAB3 0014000 -#define XTABS 0014000 -#define BSDLY 0020000 -#define BS0 0000000 -#define BS1 0020000 -#define VTDLY 0040000 -#define VT0 0000000 -#define VT1 0040000 -#define FFDLY 0100000 -#define FF0 0000000 -#define FF1 0100000 - -/* c_cflag bit meaning */ - -#define CBAUD 0010017 -#define B0 0000000 /* hang up */ -#define B50 0000001 -#define B75 0000002 -#define B110 0000003 -#define B134 0000004 -#define B150 0000005 -#define B200 0000006 -#define B300 0000007 -#define B600 0000010 -#define B1200 0000011 -#define B1800 0000012 -#define B2400 0000013 -#define B4800 0000014 -#define B9600 0000015 -#define B19200 0000016 -#define B38400 0000017 -#define EXTA B19200 -#define EXTB B38400 -#define CSIZE 0000060 -#define CS5 0000000 -#define CS6 0000020 -#define CS7 0000040 -#define CS8 0000060 -#define CSTOPB 0000100 -#define CREAD 0000200 -#define PARENB 0000400 -#define PARODD 0001000 -#define HUPCL 0002000 -#define CLOCAL 0004000 -#define CBAUDEX 0010000 -#define B57600 0010001 -#define B115200 0010002 -#define B230400 0010003 -#define B460800 0010004 -#define B500000 0010005 -#define B576000 0010006 -#define B921600 0010007 -#define BOTHER 0010000 -#define B1000000 0010010 -#define B1152000 0010011 -#define B1500000 0010012 -#define B2000000 0010013 -#define B2500000 0010014 -#define B3000000 0010015 -#define B3500000 0010016 -#define B4000000 0010017 -#define CIBAUD 002003600000 /* input baud rate (not used) */ -#define CMSPAR 010000000000 /* mark or space (stick) parity */ -#define CRTSCTS 020000000000 /* flow control */ - -#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ - -/* c_lflag bits */ - -#define ISIG 0000001 -#define ICANON 0000002 -#define XCASE 0000004 -#define ECHO 0000010 -#define ECHOE 0000020 -#define ECHOK 0000040 -#define ECHONL 0000100 -#define NOFLSH 0000200 -#define TOSTOP 0000400 -#define ECHOCTL 0001000 -#define ECHOPRT 0002000 -#define ECHOKE 0004000 -#define FLUSHO 0010000 -#define PENDIN 0040000 -#define IEXTEN 0100000 - -/* tcflow() and TCXONC use these */ - -#define TCOOFF 0 -#define TCOON 1 -#define TCIOFF 2 -#define TCION 3 - -/* tcflush() and TCFLSH use these */ - -#define TCIFLUSH 0 -#define TCOFLUSH 1 -#define TCIOFLUSH 2 - -/* tcsetattr uses these */ - -#define TCSANOW 0 -#define TCSADRAIN 1 -#define TCSAFLUSH 2 - -#endif /* _ASM_MICROBLAZE_TERMBITS_H */ +#include <asm-generic/termbits.h> diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/asm/termios.h index 47a46d1fbe26..280d78a9d966 100644 --- a/arch/microblaze/include/asm/termios.h +++ b/arch/microblaze/include/asm/termios.h @@ -1,88 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMIOS_H -#define _ASM_MICROBLAZE_TERMIOS_H - -#include <linux/string.h> -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#ifdef __KERNEL__ -/* intr=^C quit=^| erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* Modem lines */ - -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -/* Line disciplines */ - -#define N_TTY 0 -#define N_SLIP 1 -#define N_MOUSE 2 -#define N_PPP 3 -#define N_STRIP 4 -#define N_AX25 5 -#define N_X25 6 /* X.25 async */ -#define N_6PACK 7 -#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ -#define N_R3964 9 /* Reserved for Simatic R3964 module */ -#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ -#define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */ -#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards - about SMS messages */ -#define N_HDLC 13 /* synchronous HDLC */ -#define N_SYNC_PPP 14 -#define N_HCI 15 /* Bluetooth HCI UART */ - -#ifdef __KERNEL__ - -#include <asm-generic/termios-base.h> - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_TERMIOS_H */ +#include <asm-generic/termios.h> diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 7fac44498445..6e92885d381a 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -75,8 +75,6 @@ struct thread_info { /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #define INIT_THREAD_INFO(tsk) \ { \ @@ -84,7 +82,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ diff --git a/arch/microblaze/include/asm/timex.h b/arch/microblaze/include/asm/timex.h index 678525dc6d0b..befcf3de5532 100644 --- a/arch/microblaze/include/asm/timex.h +++ b/arch/microblaze/include/asm/timex.h @@ -9,10 +9,8 @@ #ifndef _ASM_MICROBLAZE_TIMEX_H #define _ASM_MICROBLAZE_TIMEX_H -#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ - -typedef unsigned long cycles_t; +#include <asm-generic/timex.h> -#define get_cycles() (0) +#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ #endif /* _ASM_TIMEX_H */ diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h index c472d2801132..e8abd4a0349c 100644 --- a/arch/microblaze/include/asm/tlb.h +++ b/arch/microblaze/include/asm/tlb.h @@ -11,7 +11,7 @@ #ifndef _ASM_MICROBLAZE_TLB_H #define _ASM_MICROBLAZE_TLB_H -#define tlb_flush(tlb) do {} while (0) +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) #include <asm-generic/tlb.h> diff --git a/arch/microblaze/include/asm/types.h b/arch/microblaze/include/asm/types.h index bebc018318f5..b9e79bc580dd 100644 --- a/arch/microblaze/include/asm/types.h +++ b/arch/microblaze/include/asm/types.h @@ -1,38 +1 @@ -/* - * Copyright (C) Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TYPES_H -#define _ASM_MICROBLAZE_TYPES_H - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -#include <asm-generic/int-ll64.h> - -# ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -# ifdef __KERNEL__ -# define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -# endif/* __KERNEL__ */ -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_TYPES_H */ +#include <asm-generic/types.h> diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 65adad61e7e9..5431b4631a7a 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -189,7 +189,7 @@ extern long strnlen_user(const char *src, long count); #define __put_user(x, ptr) \ ({ \ - __typeof__(*(ptr)) __gu_val = x; \ + __typeof__(*(ptr)) volatile __gu_val = (x); \ long __gu_err = 0; \ switch (sizeof(__gu_val)) { \ case 1: \ diff --git a/arch/microblaze/include/asm/ucontext.h b/arch/microblaze/include/asm/ucontext.h index 11f6bb3ae3a4..9bc07b9f30fb 100644 --- a/arch/microblaze/include/asm/ucontext.h +++ b/arch/microblaze/include/asm/ucontext.h @@ -1,22 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_UCONTEXT_H -#define _ASM_MICROBLAZE_UCONTEXT_H - -#include <asm/sigcontext.h> - -struct ucontext { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* _ASM_MICROBLAZE_UCONTEXT_H */ +#include <asm-generic/ucontext.h> diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index b5e2f5fa5c53..0b852327c0e7 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -380,8 +380,10 @@ #define __NR_accept04 362 /* new */ #define __NR_preadv 363 /* new */ #define __NR_pwritev 364 /* new */ +#define __NR_rt_tgsigqueueinfo 365 /* new */ +#define __NR_perf_counter_open 366 /* new */ -#define __NR_syscalls 365 +#define __NR_syscalls 367 #ifdef __KERNEL__ #ifndef __ASSEMBLY__ @@ -408,7 +410,7 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION -/* #define __ARCH_WANT_SYS_RT_SIGSUSPEND */ +#define __ARCH_WANT_SYS_RT_SIGSUSPEND /* * "Conditional" syscalls diff --git a/arch/microblaze/include/asm/vga.h b/arch/microblaze/include/asm/vga.h index 8b137891791f..89d82fd8fcf1 100644 --- a/arch/microblaze/include/asm/vga.h +++ b/arch/microblaze/include/asm/vga.h @@ -1 +1 @@ - +#include <asm-generic/vga.h> diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index f4a5e19a20eb..d487729683de 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -17,4 +17,4 @@ obj-$(CONFIG_HEART_BEAT) += heartbeat.o obj-$(CONFIG_MODULES) += microblaze_ksyms.o module.o obj-$(CONFIG_MMU) += misc.o -obj-y += entry$(MMUEXT).o +obj-y += entry$(MMU).o diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c index 153f57c57b6d..c259786e7faa 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c +++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c @@ -22,7 +22,7 @@ #define CI(c, p) { ci->c = PVR_##p(pvr); } #define err_printk(x) \ - early_printk("ERROR: Microblaze " x " - different for PVR and DTS\n"); + early_printk("ERROR: Microblaze " x "-different for PVR and DTS\n"); void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu) { diff --git a/arch/microblaze/kernel/cpu/cpuinfo-static.c b/arch/microblaze/kernel/cpu/cpuinfo-static.c index 450ca6bb828d..adb448f93d5f 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo-static.c +++ b/arch/microblaze/kernel/cpu/cpuinfo-static.c @@ -18,7 +18,7 @@ static const char family_string[] = CONFIG_XILINX_MICROBLAZE0_FAMILY; static const char cpu_ver_string[] = CONFIG_XILINX_MICROBLAZE0_HW_VER; #define err_printk(x) \ - early_printk("ERROR: Microblaze " x "- different for kernel and DTS\n"); + early_printk("ERROR: Microblaze " x "-different for kernel and DTS\n"); void __init set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu) { diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c index a10bea119b94..c411c6757deb 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo.c +++ b/arch/microblaze/kernel/cpu/cpuinfo.c @@ -26,6 +26,8 @@ const struct cpu_ver_key cpu_ver_lookup[] = { {"7.10.b", 0x09}, {"7.10.c", 0x0a}, {"7.10.d", 0x0b}, + {"7.20.a", 0x0c}, + {"7.20.b", 0x0d}, /* FIXME There is no keycode defined in MBV for these versions */ {"2.10.a", 0x10}, {"3.00.a", 0x20}, diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S index 1fce6b803f54..9083d85376a4 100644 --- a/arch/microblaze/kernel/entry-nommu.S +++ b/arch/microblaze/kernel/entry-nommu.S @@ -551,30 +551,22 @@ no_work_pending: rtid r14, 0 nop -sys_vfork_wrapper: - brid sys_vfork +sys_vfork: + brid microblaze_vfork addk r5, r1, r0 -sys_clone_wrapper: - brid sys_clone +sys_clone: + brid microblaze_clone addk r7, r1, r0 -sys_execve_wrapper: - brid sys_execve +sys_execve: + brid microblaze_execve addk r8, r1, r0 -sys_sigreturn_wrapper: - brid sys_sigreturn - addk r5, r1, r0 - sys_rt_sigreturn_wrapper: brid sys_rt_sigreturn addk r5, r1, r0 -sys_sigsuspend_wrapper: - brid sys_rt_sigsuspend - addk r6, r1, r0 - sys_rt_sigsuspend_wrapper: brid sys_rt_sigsuspend addk r7, r1, r0 diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 91a0e7b185dd..c7353e79f4a2 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -429,12 +429,11 @@ C_ENTRY(ret_from_fork): brid ret_from_trap; /* Do normal trap return */ nop; -C_ENTRY(sys_vfork_wrapper): +C_ENTRY(sys_vfork): + brid microblaze_vfork /* Do real work (tail-call) */ la r5, r1, PTO - brid sys_vfork /* Do real work (tail-call) */ - nop -C_ENTRY(sys_clone_wrapper): +C_ENTRY(sys_clone): bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */ 1: la r7, r1, PTO; /* Arg 2: parent context */ @@ -444,20 +443,9 @@ C_ENTRY(sys_clone_wrapper): brid do_fork /* Do real work (tail-call) */ nop; -C_ENTRY(sys_execve_wrapper): +C_ENTRY(sys_execve): la r8, r1, PTO; /* add user context as 4th arg */ - brid sys_execve; /* Do real work (tail-call).*/ - nop; - -C_ENTRY(sys_sigsuspend_wrapper): - swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - swi r4, r1, PTO+PT_R4; - la r6, r1, PTO; /* add user context as 2nd arg */ - bralid r15, sys_sigsuspend; /* Do real work.*/ - nop; - lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - lwi r4, r1, PTO+PT_R4; - bri ret_from_trap /* fall through will not work here due to align */ + brid microblaze_execve; /* Do real work (tail-call).*/ nop; C_ENTRY(sys_rt_sigsuspend_wrapper): @@ -471,18 +459,6 @@ C_ENTRY(sys_rt_sigsuspend_wrapper): bri ret_from_trap /* fall through will not work here due to align */ nop; - -C_ENTRY(sys_sigreturn_wrapper): - swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - swi r4, r1, PTO+PT_R4; - la r5, r1, PTO; /* add user context as 1st arg */ - brlid r15, sys_sigreturn; /* Do real work.*/ - nop; - lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - lwi r4, r1, PTO+PT_R4; - bri ret_from_trap /* fall through will not work here due to align */ - nop; - C_ENTRY(sys_rt_sigreturn_wrapper): swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ swi r4, r1, PTO+PT_R4; diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index e568d6ec621b..e41c6ce2a7be 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -31,6 +31,7 @@ #include <linux/linkage.h> #include <asm/thread_info.h> #include <asm/page.h> +#include <asm/prom.h> /* for OF_DT_HEADER */ #ifdef CONFIG_MMU #include <asm/setup.h> /* COMMAND_LINE_SIZE */ @@ -54,11 +55,19 @@ ENTRY(_start) andi r1, r1, ~2 mts rmsr, r1 -/* save fdt to kernel location */ -/* r7 stores pointer to fdt blob */ - beqi r7, no_fdt_arg +/* r7 may point to an FDT, or there may be one linked in. + if it's in r7, we've got to save it away ASAP. + We ensure r7 points to a valid FDT, just in case the bootloader + is broken or non-existent */ + beqi r7, no_fdt_arg /* NULL pointer? don't copy */ + lw r11, r0, r7 /* Does r7 point to a */ + rsubi r11, r11, OF_DT_HEADER /* valid FDT? */ + beqi r11, _prepare_copy_fdt + or r7, r0, r0 /* clear R7 when not valid DTB */ + bnei r11, no_fdt_arg /* No - get out of here */ +_prepare_copy_fdt: or r11, r0, r0 /* incremment */ - ori r4, r0, TOPHYS(_fdt_start) /* save bram context */ + ori r4, r0, TOPHYS(_fdt_start) ori r3, r0, (0x4000 - 4) _copy_fdt: lw r12, r7, r11 /* r12 = r7 + r11 */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 9d591cd74fc2..3288c9737671 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -74,6 +74,7 @@ #include <asm/mmu.h> #include <asm/pgtable.h> +#include <asm/signal.h> #include <asm/asm-offsets.h> /* Helpful Macros */ @@ -428,19 +429,9 @@ handle_unaligned_ex: mfs r17, rbtr; /* ESR[DS] set - return address in BTR */ nop _no_delayslot: -#endif - -#ifdef CONFIG_MMU - /* Check if unaligned address is last on a 4k page */ - andi r5, r4, 0xffc - xori r5, r5, 0xffc - bnei r5, _unaligned_ex2 - _unaligned_ex1: - RESTORE_STATE; -/* Another page must be accessed or physical address not in page table */ - bri unaligned_data_trap - - _unaligned_ex2: + /* jump to high level unaligned handler */ + RESTORE_STATE; + bri unaligned_data_trap #endif andi r6, r3, 0x3E0; /* Mask and extract the register operand */ srl r6, r6; /* r6 >> 5 */ @@ -450,45 +441,6 @@ _no_delayslot: srl r6, r6; /* Store the register operand in a temporary location */ sbi r6, r0, TOPHYS(ex_reg_op); -#ifdef CONFIG_MMU - /* Get physical address */ - /* If we are faulting a kernel address, we have to use the - * kernel page tables. - */ - ori r5, r0, CONFIG_KERNEL_START - cmpu r5, r4, r5 - bgti r5, _unaligned_ex3 - ori r5, r0, swapper_pg_dir - bri _unaligned_ex4 - - /* Get the PGD for the current thread. */ -_unaligned_ex3: /* user thread */ - addi r5 ,CURRENT_TASK, TOPHYS(0); /* get current task address */ - lwi r5, r5, TASK_THREAD + PGDIR -_unaligned_ex4: - tophys(r5,r5) - BSRLI(r6,r4,20) /* Create L1 (pgdir/pmd) address */ - andi r6, r6, 0xffc -/* Assume pgdir aligned on 4K boundary, no need for "andi r5,r5,0xfffff003" */ - or r5, r5, r6 - lwi r6, r5, 0 /* Get L1 entry */ - andi r5, r6, 0xfffff000 /* Extract L2 (pte) base address. */ - beqi r5, _unaligned_ex1 /* Bail if no table */ - - tophys(r5,r5) - BSRLI(r6,r4,10) /* Compute PTE address */ - andi r6, r6, 0xffc - andi r5, r5, 0xfffff003 - or r5, r5, r6 - lwi r5, r5, 0 /* Get Linux PTE */ - - andi r6, r5, _PAGE_PRESENT - beqi r6, _unaligned_ex1 /* Bail if no page */ - - andi r5, r5, 0xfffff000 /* Extract RPN */ - andi r4, r4, 0x00000fff /* Extract offset */ - or r4, r4, r5 /* Create physical address */ -#endif /* CONFIG_MMU */ andi r6, r3, 0x400; /* Extract ESR[S] */ bnei r6, ex_sw; @@ -959,15 +911,15 @@ _unaligned_data_exception: andi r6, r3, 0x800; /* Extract ESR[W] - delay slot */ ex_lw_vm: beqid r6, ex_lhw_vm; - lbui r5, r4, 0; /* Exception address in r4 - delay slot */ +load1: lbui r5, r4, 0; /* Exception address in r4 - delay slot */ /* Load a word, byte-by-byte from destination address and save it in tmp space*/ la r6, r0, ex_tmp_data_loc_0; sbi r5, r6, 0; - lbui r5, r4, 1; +load2: lbui r5, r4, 1; sbi r5, r6, 1; - lbui r5, r4, 2; +load3: lbui r5, r4, 2; sbi r5, r6, 2; - lbui r5, r4, 3; +load4: lbui r5, r4, 3; sbi r5, r6, 3; brid ex_lw_tail_vm; /* Get the destination register value into r3 - delay slot */ @@ -977,7 +929,7 @@ ex_lhw_vm: * save it in tmp space */ la r6, r0, ex_tmp_data_loc_0; sbi r5, r6, 0; - lbui r5, r4, 1; +load5: lbui r5, r4, 1; sbi r5, r6, 1; lhui r3, r6, 0; /* Get the destination register value into r3 */ ex_lw_tail_vm: @@ -996,22 +948,53 @@ ex_sw_tail_vm: swi r3, r5, 0; /* Get the word - delay slot */ /* Store the word, byte-by-byte into destination address */ lbui r3, r5, 0; - sbi r3, r4, 0; +store1: sbi r3, r4, 0; lbui r3, r5, 1; - sbi r3, r4, 1; +store2: sbi r3, r4, 1; lbui r3, r5, 2; - sbi r3, r4, 2; +store3: sbi r3, r4, 2; lbui r3, r5, 3; brid ret_from_exc; - sbi r3, r4, 3; /* Delay slot */ +store4: sbi r3, r4, 3; /* Delay slot */ ex_shw_vm: /* Store the lower half-word, byte-by-byte into destination address */ lbui r3, r5, 2; - sbi r3, r4, 0; +store5: sbi r3, r4, 0; lbui r3, r5, 3; brid ret_from_exc; - sbi r3, r4, 1; /* Delay slot */ +store6: sbi r3, r4, 1; /* Delay slot */ ex_sw_end_vm: /* Exception handling of store word, ends. */ + +/* We have to prevent cases that get/put_user macros get unaligned pointer + * to bad page area. We have to find out which origin instruction caused it + * and called fixup for that origin instruction not instruction in unaligned + * handler */ +ex_unaligned_fixup: + ori r5, r7, 0 /* setup pointer to pt_regs */ + lwi r6, r7, PT_PC; /* faulting address is one instruction above */ + addik r6, r6, -4 /* for finding proper fixup */ + swi r6, r7, PT_PC; /* a save back it to PT_PC */ + addik r7, r0, SIGSEGV + /* call bad_page_fault for finding aligned fixup, fixup address is saved + * in PT_PC which is used as return address from exception */ + la r15, r0, ret_from_exc-8 /* setup return address */ + brid bad_page_fault + nop + +/* We prevent all load/store because it could failed any attempt to access */ +.section __ex_table,"a"; + .word load1,ex_unaligned_fixup; + .word load2,ex_unaligned_fixup; + .word load3,ex_unaligned_fixup; + .word load4,ex_unaligned_fixup; + .word load5,ex_unaligned_fixup; + .word store1,ex_unaligned_fixup; + .word store2,ex_unaligned_fixup; + .word store3,ex_unaligned_fixup; + .word store4,ex_unaligned_fixup; + .word store5,ex_unaligned_fixup; + .word store6,ex_unaligned_fixup; +.previous; .end _unaligned_data_exception #endif /* CONFIG_MMU */ diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c index 51414171326f..5a45b1adfef1 100644 --- a/arch/microblaze/kernel/module.c +++ b/arch/microblaze/kernel/module.c @@ -57,7 +57,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr; Elf32_Sym *sym; unsigned long int *location; - unsigned long int locoffs; unsigned long int value; #if __GNUC__ < 4 unsigned long int old_value; @@ -113,10 +112,12 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, break; case R_MICROBLAZE_64_PCREL: - locoffs = (location[0] & 0xFFFF) << 16 | +#if __GNUC__ < 4 + old_value = (location[0] & 0xFFFF) << 16 | (location[1] & 0xFFFF); - value -= (unsigned long int)(location) + 4 + - locoffs; + value -= old_value; +#endif + value -= (unsigned long int)(location) + 4; location[0] = (location[0] & 0xFFFF0000) | (value >> 16); location[1] = (location[1] & 0xFFFF0000) | @@ -125,6 +126,14 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, value); break; + case R_MICROBLAZE_32_PCREL_LO: + pr_debug("R_MICROBLAZE_32_PCREL_LO\n"); + break; + + case R_MICROBLAZE_64_NONE: + pr_debug("R_MICROBLAZE_NONE\n"); + break; + case R_MICROBLAZE_NONE: pr_debug("R_MICROBLAZE_NONE\n"); break; @@ -133,7 +142,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, printk(KERN_ERR "module %s: " "Unknown relocation: %u\n", module->name, - ELF32_R_TYPE(rela->r_info)); + ELF32_R_TYPE(rela[i].r_info)); return -ENOEXEC; } } diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index b86aa623e36d..53ff39af6a5c 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -27,7 +27,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/signal.h> diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 8709bea09604..2a97bf513b64 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -138,8 +138,12 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, setup_early_printk(NULL); #endif - early_printk("Ramdisk addr 0x%08x, FDT 0x%08x\n", ram, fdt); - printk(KERN_NOTICE "Found FDT at 0x%08x\n", fdt); + early_printk("Ramdisk addr 0x%08x, ", ram); + if (fdt) + early_printk("FDT at 0x%08x\n", fdt); + else + early_printk("Compiled-in FDT at 0x%08x\n", + (unsigned int)_fdt_start); #ifdef CONFIG_MTD_UCLINUX early_printk("Found romfs @ 0x%08x (0x%08x)\n", diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 4c0e6521b114..1c80e4fc40ce 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -21,7 +21,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> @@ -45,91 +44,8 @@ asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_sycall); -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs) -{ - sigset_t saveset; - - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->r3 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset, 1)) - return -EINTR; - } -} - -asmlinkage int -sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, - struct pt_regs *regs) -{ - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->r3 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset, 1)) - return -EINTR; - } -} - -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -asmlinkage int +asmlinkage long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) { @@ -139,7 +55,6 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, /* * Do a signal return; undo the signal stack. */ - struct sigframe { struct sigcontext sc; unsigned long extramask[_NSIG_WORDS-1]; @@ -176,40 +91,7 @@ static int restore_sigcontext(struct pt_regs *regs, return err; } -asmlinkage int sys_sigreturn(struct pt_regs *regs) -{ - struct sigframe *frame = - (struct sigframe *)(regs->r1 + STATE_SAVE_ARG_SPACE); - - sigset_t set; - int rval; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_NSIG_WORDS > 1 - && __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - if (restore_sigcontext(regs, &frame->sc, &rval)) - goto badframe; - return rval; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) +asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(regs->r1 + STATE_SAVE_ARG_SPACE); @@ -324,21 +206,17 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up to return from userspace. If provided, use a stub already in userspace. */ /* minus 8 is offset to cater for "rtsd r15,8" */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->r15 = ((unsigned long)ka->sa.sa_restorer)-8; - } else { - /* addi r12, r0, __NR_sigreturn */ - err |= __put_user(0x31800000 | __NR_rt_sigreturn , - frame->tramp + 0); - /* brki r14, 0x8 */ - err |= __put_user(0xb9cc0008, frame->tramp + 1); - - /* Return from sighandler will jump to the tramp. - Negative 8 offset because return is rtsd r15, 8 */ - regs->r15 = ((unsigned long)frame->tramp)-8; - - __invalidate_cache_sigtramp((unsigned long)frame->tramp); - } + /* addi r12, r0, __NR_sigreturn */ + err |= __put_user(0x31800000 | __NR_rt_sigreturn , + frame->tramp + 0); + /* brki r14, 0x8 */ + err |= __put_user(0xb9cc0008, frame->tramp + 1); + + /* Return from sighandler will jump to the tramp. + Negative 8 offset because return is rtsd r15, 8 */ + regs->r15 = ((unsigned long)frame->tramp)-8; + + __invalidate_cache_sigtramp((unsigned long)frame->tramp); if (err) goto give_sigsegv; @@ -405,7 +283,7 @@ do_restart: * OK, we're invoking a handler */ -static void +static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { @@ -426,6 +304,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); } + return 1; } /* @@ -456,7 +335,9 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_syscall) if (kernel_mode(regs)) return 1; - if (!oldset) + if (current_thread_info()->status & TS_RESTORE_SIGMASK) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, NULL); @@ -464,13 +345,31 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_syscall) /* Whee! Actually deliver the signal. */ if (in_syscall) handle_restart(regs, &ka, 1); - handle_signal(signr, &ka, &info, oldset, regs); + if (handle_signal(signr, &ka, &info, oldset, regs)) { + /* + * A signal was successfully delivered; the saved + * sigmask will have been stored in the signal frame, + * and will be restored by sigreturn, so we can simply + * clear the TS_RESTORE_SIGMASK flag. + */ + current_thread_info()->status &= + ~TS_RESTORE_SIGMASK; + } return 1; } if (in_syscall) handle_restart(regs, NULL, 0); + /* + * If there's no signal to deliver, we just put the saved sigmask + * back. + */ + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } + /* Did we come from a system call? */ return 0; } diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index 31905ff590b7..b96f1682bb24 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -15,7 +15,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/sem.h> #include <linux/msg.h> @@ -34,120 +33,21 @@ #include <linux/unistd.h> #include <asm/syscalls.h> -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. This will be remove with new toolchain. - */ -asmlinkage int -sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - ret = -EINVAL; - switch (call) { - case SEMOP: - ret = sys_semop(first, (struct sembuf *)ptr, second); - break; - case SEMGET: - ret = sys_semget(first, second, third); - break; - case SEMCTL: - { - union semun fourth; - - if (!ptr) - break; - ret = (access_ok(VERIFY_READ, ptr, sizeof(long)) ? 0 : -EFAULT) - || (get_user(fourth.__pad, (void **)ptr)) ; - if (ret) - break; - ret = sys_semctl(first, second, third, fourth); - break; - } - case MSGSND: - ret = sys_msgsnd(first, (struct msgbuf *) ptr, second, third); - break; - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - - if (!ptr) - break; - ret = (access_ok(VERIFY_READ, ptr, sizeof(tmp)) - ? 0 : -EFAULT) || copy_from_user(&tmp, - (struct ipc_kludge *) ptr, sizeof(tmp)); - if (ret) - break; - ret = sys_msgrcv(first, tmp.msgp, second, tmp.msgtyp, - third); - break; - } - default: - ret = sys_msgrcv(first, (struct msgbuf *) ptr, - second, fifth, third); - break; - } - break; - case MSGGET: - ret = sys_msgget((key_t) first, second); - break; - case MSGCTL: - ret = sys_msgctl(first, second, (struct msqid_ds *) ptr); - break; - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = access_ok(VERIFY_WRITE, (ulong *) third, - sizeof(ulong)) ? 0 : -EFAULT; - if (ret) - break; - ret = do_shmat(first, (char *) ptr, second, &raddr); - if (ret) - break; - ret = put_user(raddr, (ulong *) third); - break; - } - case 1: /* iBCS2 emulator entry point */ - if (!segment_eq(get_fs(), get_ds())) - break; - ret = do_shmat(first, (char *) ptr, second, - (ulong *) third); - break; - } - break; - case SHMDT: - ret = sys_shmdt((char *)ptr); - break; - case SHMGET: - ret = sys_shmget(first, second, third); - break; - case SHMCTL: - ret = sys_shmctl(first, second, (struct shmid_ds *) ptr); - break; - } - return ret; -} -asmlinkage int sys_vfork(struct pt_regs *regs) +asmlinkage long microblaze_vfork(struct pt_regs *regs) { return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->r1, regs, 0, NULL, NULL); } -asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs) +asmlinkage long microblaze_clone(int flags, unsigned long stack, struct pt_regs *regs) { if (!stack) stack = regs->r1; return do_fork(flags, stack, regs, 0, NULL, NULL); } -asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv, +asmlinkage long microblaze_execve(char __user *filenamei, char __user *__user *argv, char __user *__user *envp, struct pt_regs *regs) { int error; @@ -163,8 +63,8 @@ out: return error; } -asmlinkage unsigned long -sys_mmap2(unsigned long addr, size_t len, +asmlinkage long +sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { @@ -189,18 +89,18 @@ out: return ret; } -asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, +asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset) + unsigned long fd, off_t pgoff) { int err = -EINVAL; - if (offset & ~PAGE_MASK) { + if (pgoff & ~PAGE_MASK) { printk(KERN_INFO "no pagemask in mmap\r\n"); goto out; } - err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); + err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); out: return err; } diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 376d1789f7c0..216db817beb6 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -15,7 +15,7 @@ ENTRY(sys_call_table) .long sys_creat .long sys_link .long sys_unlink /* 10 */ - .long sys_execve_wrapper + .long sys_execve .long sys_chdir .long sys_time .long sys_mknod @@ -71,12 +71,12 @@ ENTRY(sys_call_table) .long sys_getppid .long sys_getpgrp /* 65 */ .long sys_setsid - .long sys_sigaction + .long sys_ni_syscall /* sys_sigaction */ .long sys_sgetmask .long sys_ssetmask .long sys_setreuid /* 70 */ .long sys_setregid - .long sys_sigsuspend_wrapper + .long sys_ni_syscall /* sys_sigsuspend_wrapper */ .long sys_sigpending .long sys_sethostname .long sys_setrlimit /* 75 */ @@ -121,10 +121,10 @@ ENTRY(sys_call_table) .long sys_wait4 .long sys_swapoff /* 115 */ .long sys_sysinfo - .long sys_ipc + .long sys_ni_syscall /* old sys_ipc */ .long sys_fsync - .long sys_sigreturn_wrapper - .long sys_clone_wrapper /* 120 */ + .long sys_ni_syscall /* sys_sigreturn_wrapper */ + .long sys_clone /* 120 */ .long sys_setdomainname .long sys_newuname .long sys_ni_syscall /* modify_ldt */ @@ -194,7 +194,7 @@ ENTRY(sys_call_table) .long sys_sendfile .long sys_ni_syscall /* reserved for streams1 */ .long sys_ni_syscall /* reserved for streams2 */ - .long sys_vfork_wrapper /* 190 */ + .long sys_vfork /* 190 */ .long sys_getrlimit .long sys_mmap2 /* mmap2 */ .long sys_truncate64 @@ -369,3 +369,5 @@ ENTRY(sys_call_table) .long sys_ni_syscall .long sys_ni_syscall .long sys_ni_syscall + .long sys_rt_tgsigqueueinfo /* 365 */ + .long sys_perf_counter_open diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index 71c8cb6c9e43..b579db068c06 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -2,7 +2,7 @@ # Makefile # -lib-y := memset.o checksum.o +lib-y := memset.o ifeq ($(CONFIG_OPT_LIB_ASM),y) lib-y += fastcopy.o diff --git a/arch/microblaze/lib/checksum.c b/arch/microblaze/lib/checksum.c deleted file mode 100644 index f08e74591418..000000000000 --- a/arch/microblaze/lib/checksum.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * IP/TCP/UDP checksumming routines - * - * Authors: Jorge Cwik, <jorge@laser.satlink.net> - * Arnt Gulbrandsen, <agulbra@nvg.unit.no> - * Tom May, <ftom@netcom.com> - * Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de> - * Lots of code moved from tcp.c and ip.c; see those files - * for more names. - * - * 03/02/96 Jes Sorensen, Andreas Schwab, Roman Hodek: - * Fixed some nasty bugs, causing some horrible crashes. - * A: At some points, the sum (%0) was used as - * length-counter instead of the length counter - * (%1). Thanks to Roman Hodek for pointing this out. - * B: GCC seems to mess up if one uses too many - * data-registers to hold input values and one tries to - * specify d0 and d1 as scratch registers. Letting gcc - * choose these registers itself solves the problem. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -/* Revised by Kenneth Albanowski for m68knommu. Basic problem: unaligned access - kills, so most of the assembly has to go. */ - -#include <linux/module.h> -#include <net/checksum.h> - -#include <asm/byteorder.h> - -static inline unsigned short from32to16(unsigned long x) -{ - /* add up 16-bit and 16-bit for 16+c bit */ - x = (x & 0xffff) + (x >> 16); - /* add up carry.. */ - x = (x & 0xffff) + (x >> 16); - return x; -} - -static unsigned int do_csum(const unsigned char *buff, int len) -{ - int odd, count; - unsigned long result = 0; - - if (len <= 0) - goto out; - odd = 1 & (unsigned long) buff; - if (odd) { - result = *buff; - len--; - buff++; - } - count = len >> 1; /* nr of 16-bit words.. */ - if (count) { - if (2 & (unsigned long) buff) { - result += *(unsigned short *) buff; - count--; - len -= 2; - buff += 2; - } - count >>= 1; /* nr of 32-bit words.. */ - if (count) { - unsigned long carry = 0; - do { - unsigned long w = *(unsigned long *) buff; - count--; - buff += 4; - result += carry; - result += w; - carry = (w > result); - } while (count); - result += carry; - result = (result & 0xffff) + (result >> 16); - } - if (len & 2) { - result += *(unsigned short *) buff; - buff += 2; - } - } - if (len & 1) - result += (*buff << 8); - result = from32to16(result); - if (odd) - result = ((result >> 8) & 0xff) | ((result & 0xff) << 8); -out: - return result; -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - */ -__sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - return (__force __sum16)~do_csum(iph, ihl*4); -} -EXPORT_SYMBOL(ip_fast_csum); - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum wsum) -{ - unsigned int sum = (__force unsigned int)wsum; - unsigned int result = do_csum(buff, len); - - /* add in old sum, and carry.. */ - result += sum; - if (sum > result) - result += 1; - return (__force __wsum)result; -} -EXPORT_SYMBOL(csum_partial); - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -__sum16 ip_compute_csum(const void *buff, int len) -{ - return (__force __sum16)~do_csum(buff, len); -} -EXPORT_SYMBOL(ip_compute_csum); - -/* - * copy from fs while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy_from_user(const void __user *src, void *dst, int len, - __wsum sum, int *csum_err) -{ - int missing; - - missing = __copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *csum_err = -EFAULT; - } else - *csum_err = 0; - - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy_from_user); - -/* - * copy from ds while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy(const void *src, void *dst, int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy); diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c index 956607a63f4c..d9d249a66ff2 100644 --- a/arch/microblaze/mm/fault.c +++ b/arch/microblaze/mm/fault.c @@ -69,7 +69,7 @@ static int store_updates_sp(struct pt_regs *regs) * It is called from do_page_fault above and from some of the procedures * in traps.c. */ -static void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) +void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) { const struct exception_table_entry *fixup; /* MS: no context */ @@ -122,15 +122,10 @@ void do_page_fault(struct pt_regs *regs, unsigned long address, } #endif /* CONFIG_KGDB */ - if (in_atomic() || mm == NULL) { - /* FIXME */ - if (kernel_mode(regs)) { - printk(KERN_EMERG - "Page fault in kernel mode - Oooou!!! pid %d\n", - current->pid); - _exception(SIGSEGV, regs, code, address); - return; - } + if (in_atomic() || !mm) { + if (kernel_mode(regs)) + goto bad_area_nosemaphore; + /* in_atomic() in user mode is really bad, as is current->mm == NULL. */ printk(KERN_EMERG "Page fault in user mode with " diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index b5a701cd71e0..8d92c4efe9a4 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -80,15 +80,15 @@ void __init setup_memory(void) memory_size = memory_end - memory_start; PAGE_OFFSET = memory_start; printk(KERN_INFO "%s: Main mem: 0x%x-0x%x, " - "size 0x%08x\n", __func__, memory_start, - memory_end, memory_size); + "size 0x%08x\n", __func__, (u32) memory_start, + (u32) memory_end, (u32) memory_size); break; } } if (!memory_start || !memory_end) { panic("%s: Missing memory setting 0x%08x-0x%08x\n", - __func__, memory_start, memory_end); + __func__, (u32) memory_start, (u32) memory_end); } /* reservation of region where is the kernel */ |