diff options
Diffstat (limited to 'arch/frv/include')
| -rw-r--r-- | arch/frv/include/asm/atomic.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/bitops.h | 29 | ||||
| -rw-r--r-- | arch/frv/include/asm/bitsperlong.h | 1 | ||||
| -rw-r--r-- | arch/frv/include/asm/elf.h | 1 | ||||
| -rw-r--r-- | arch/frv/include/asm/mman.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/page.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/pci.h | 20 | ||||
| -rw-r--r-- | arch/frv/include/asm/ptrace.h | 11 | ||||
| -rw-r--r-- | arch/frv/include/asm/signal.h | 123 | ||||
| -rw-r--r-- | arch/frv/include/asm/syscall.h | 123 | ||||
| -rw-r--r-- | arch/frv/include/asm/termios.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/thread_info.h | 10 |
12 files changed, 167 insertions, 159 deletions
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index 296c35cfb207..0409d981fd39 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -194,5 +194,5 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#include <asm-generic/atomic.h> +#include <asm-generic/atomic-long.h> #endif /* _ASM_ATOMIC_H */ diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h index 287f6f697ce2..50ae91b29674 100644 --- a/arch/frv/include/asm/bitops.h +++ b/arch/frv/include/asm/bitops.h @@ -112,7 +112,7 @@ extern unsigned long atomic_test_and_XOR_mask(unsigned long mask, volatile unsig #define atomic_clear_mask(mask, v) atomic_test_and_ANDNOT_mask((mask), (v)) #define atomic_set_mask(mask, v) atomic_test_and_OR_mask((mask), (v)) -static inline int test_and_clear_bit(int nr, volatile void *addr) +static inline int test_and_clear_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *ptr = addr; unsigned long mask = 1UL << (nr & 31); @@ -120,7 +120,7 @@ static inline int test_and_clear_bit(int nr, volatile void *addr) return (atomic_test_and_ANDNOT_mask(mask, ptr) & mask) != 0; } -static inline int test_and_set_bit(int nr, volatile void *addr) +static inline int test_and_set_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *ptr = addr; unsigned long mask = 1UL << (nr & 31); @@ -128,7 +128,7 @@ static inline int test_and_set_bit(int nr, volatile void *addr) return (atomic_test_and_OR_mask(mask, ptr) & mask) != 0; } -static inline int test_and_change_bit(int nr, volatile void *addr) +static inline int test_and_change_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *ptr = addr; unsigned long mask = 1UL << (nr & 31); @@ -136,22 +136,22 @@ static inline int test_and_change_bit(int nr, volatile void *addr) return (atomic_test_and_XOR_mask(mask, ptr) & mask) != 0; } -static inline void clear_bit(int nr, volatile void *addr) +static inline void clear_bit(unsigned long nr, volatile void *addr) { test_and_clear_bit(nr, addr); } -static inline void set_bit(int nr, volatile void *addr) +static inline void set_bit(unsigned long nr, volatile void *addr) { test_and_set_bit(nr, addr); } -static inline void change_bit(int nr, volatile void * addr) +static inline void change_bit(unsigned long nr, volatile void *addr) { test_and_change_bit(nr, addr); } -static inline void __clear_bit(int nr, volatile void * addr) +static inline void __clear_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask; @@ -161,7 +161,7 @@ static inline void __clear_bit(int nr, volatile void * addr) *a &= ~mask; } -static inline void __set_bit(int nr, volatile void * addr) +static inline void __set_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask; @@ -171,7 +171,7 @@ static inline void __set_bit(int nr, volatile void * addr) *a |= mask; } -static inline void __change_bit(int nr, volatile void *addr) +static inline void __change_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask; @@ -181,7 +181,7 @@ static inline void __change_bit(int nr, volatile void *addr) *a ^= mask; } -static inline int __test_and_clear_bit(int nr, volatile void * addr) +static inline int __test_and_clear_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask, retval; @@ -193,7 +193,7 @@ static inline int __test_and_clear_bit(int nr, volatile void * addr) return retval; } -static inline int __test_and_set_bit(int nr, volatile void * addr) +static inline int __test_and_set_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask, retval; @@ -205,7 +205,7 @@ static inline int __test_and_set_bit(int nr, volatile void * addr) return retval; } -static inline int __test_and_change_bit(int nr, volatile void * addr) +static inline int __test_and_change_bit(unsigned long nr, volatile void *addr) { volatile unsigned long *a = addr; int mask, retval; @@ -220,12 +220,13 @@ static inline int __test_and_change_bit(int nr, volatile void * addr) /* * This routine doesn't need to be atomic. */ -static inline int __constant_test_bit(int nr, const volatile void * addr) +static inline int +__constant_test_bit(unsigned long nr, const volatile void *addr) { return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0; } -static inline int __test_bit(int nr, const volatile void * addr) +static inline int __test_bit(unsigned long nr, const volatile void *addr) { int * a = (int *) addr; int mask; diff --git a/arch/frv/include/asm/bitsperlong.h b/arch/frv/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/frv/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/arch/frv/include/asm/elf.h b/arch/frv/include/asm/elf.h index 7279ec07d62e..7bbf6e47f8c8 100644 --- a/arch/frv/include/asm/elf.h +++ b/arch/frv/include/asm/elf.h @@ -116,6 +116,7 @@ do { \ } while(0) #define USE_ELF_CORE_DUMP +#define CORE_DUMP_USE_REGSET #define ELF_FDPIC_CORE_EFLAGS EF_FRV_FDPIC #define ELF_EXEC_PAGESIZE 16384 diff --git a/arch/frv/include/asm/mman.h b/arch/frv/include/asm/mman.h index b4371e928683..58c1d11e2ac7 100644 --- a/arch/frv/include/asm/mman.h +++ b/arch/frv/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __ASM_MMAN_H__ #define __ASM_MMAN_H__ -#include <asm-generic/mman.h> +#include <asm-generic/mman-common.h> #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h index bd9c220094c7..25c6a5002355 100644 --- a/arch/frv/include/asm/page.h +++ b/arch/frv/include/asm/page.h @@ -73,6 +73,6 @@ extern unsigned long max_pfn; #endif /* __ASSEMBLY__ */ #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _ASM_PAGE_H */ diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 585d9b49949a..492b5c4dfed6 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -10,8 +10,8 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef ASM_PCI_H -#define ASM_PCI_H +#ifndef _ASM_FRV_PCI_H +#define _ASM_FRV_PCI_H #include <linux/mm.h> #include <asm/scatterlist.h> @@ -43,12 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* The PCI address space does equal the physical memory - * address space. The networking and block device layers use - * this boolean for bounce buffer decisions. - */ -#define PCI_DMA_BUS_IS_PHYS (1) - /* pci_unmap_{page,single} is a nop so... */ #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) @@ -87,8 +81,7 @@ static inline void pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction) { - if (direction == PCI_DMA_NONE) - BUG(); + BUG_ON(direction == PCI_DMA_NONE); frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle), (unsigned long)bus_to_virt(dma_handle) + size); @@ -105,14 +98,11 @@ static inline void pci_dma_sync_sg(struct pci_dev *hwdev, int nelems, int direction) { int i; - - if (direction == PCI_DMA_NONE) - BUG(); + BUG_ON(direction == PCI_DMA_NONE); for (i = 0; i < nelems; i++) frv_cache_wback_inv(sg_dma_address(&sg[i]), sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); } - -#endif +#endif /* _ASM_FRV_PCI_H */ diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index cf6934012b64..a54b535c9e49 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -65,6 +65,8 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ +struct task_struct; + /* * we dedicate GR28 to keeping a pointer to the current exception frame * - gr28 is destroyed on entry to the kernel from userspace @@ -73,11 +75,18 @@ register struct pt_regs *__frame asm("gr28"); #define user_mode(regs) (!((regs)->psr & PSR_S)) #define instruction_pointer(regs) ((regs)->pc) +#define user_stack_pointer(regs) ((regs)->sp) extern unsigned long user_stack(const struct pt_regs *); extern void show_regs(struct pt_regs *); #define profile_pc(regs) ((regs)->pc) -#endif + +#define task_pt_regs(task) ((task)->thread.frame0) + +#define arch_has_single_step() (1) +extern void user_enable_single_step(struct task_struct *); +extern void user_disable_single_step(struct task_struct *); #endif /* !__ASSEMBLY__ */ +#endif /* __KERNEL__ */ #endif /* _ASM_PTRACE_H */ diff --git a/arch/frv/include/asm/signal.h b/arch/frv/include/asm/signal.h index 2079197d483d..f071e813dcb3 100644 --- a/arch/frv/include/asm/signal.h +++ b/arch/frv/include/asm/signal.h @@ -3,107 +3,15 @@ #include <linux/types.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; - -#else +#ifndef __KERNEL__ /* Here we must cater to libcs that poke about in kernel headers. */ #define NSIG 32 typedef unsigned long sigset_t; -#endif /* __KERNEL__ */ - -#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-1) - -/* - * 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 /* not supported yet */ -#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 +#endif /* !__KERNEL__ */ -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 +#define SA_RESTORER 0x04000000 /* to get struct sigaction correct */ #include <asm-generic/signal.h> @@ -115,16 +23,6 @@ struct old_sigaction { __sigrestore_t sa_restorer; }; -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - __sigrestore_t sa_restorer; - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; #else /* Here we must cater to libcs that poke about in kernel headers. */ @@ -143,19 +41,4 @@ struct sigaction { #endif /* __KERNEL__ */ -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#ifdef __KERNEL__ - -#include <asm/sigcontext.h> -#undef __HAVE_ARCH_SIG_BITOPS - -#endif /* __KERNEL__ */ - #endif /* _ASM_SIGNAL_H */ diff --git a/arch/frv/include/asm/syscall.h b/arch/frv/include/asm/syscall.h new file mode 100644 index 000000000000..70689eb29b98 --- /dev/null +++ b/arch/frv/include/asm/syscall.h @@ -0,0 +1,123 @@ +/* syscall parameter access functions + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H + +#include <linux/err.h> +#include <asm/ptrace.h> + +/* + * Get the system call number or -1 + */ +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->syscallno; +} + +/* + * Restore the clobbered GR8 register + * (1st syscall arg was overwritten with syscall return or error) + */ +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->gr8 = regs->orig_gr8; +} + +/* + * See if the syscall return value is an error, returning it if it is and 0 if + * not + */ +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return IS_ERR_VALUE(regs->gr8) ? regs->gr8 : 0; +} + +/* + * Get the syscall return value + */ +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->gr8; +} + +/* + * Set the syscall return value + */ +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + if (error) + regs->gr8 = -error; + else + regs->gr8 = val; +} + +/* + * Retrieve the system call arguments + */ +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + /* + * Do this simply for now. If we need to start supporting + * fetching arguments from arbitrary indices, this will need some + * extra logic. Presently there are no in-tree users that depend + * on this behaviour. + */ + BUG_ON(i); + + /* Argument pattern is: GR8, GR9, GR10, GR11, GR12, GR13 */ + switch (n) { + case 6: args[5] = regs->gr13; + case 5: args[4] = regs->gr12; + case 4: args[3] = regs->gr11; + case 3: args[2] = regs->gr10; + case 2: args[1] = regs->gr9; + case 1: args[0] = regs->gr8; + break; + default: + BUG(); + } +} + +/* + * Alter the system call arguments + */ +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + /* Same note as above applies */ + BUG_ON(i); + + switch (n) { + case 6: regs->gr13 = args[5]; + case 5: regs->gr12 = args[4]; + case 4: regs->gr11 = args[3]; + case 3: regs->gr10 = args[2]; + case 2: regs->gr9 = args[1]; + case 1: regs->gr8 = args[0]; + break; + default: + BUG(); + } +} + +#endif /* _ASM_SYSCALL_H */ diff --git a/arch/frv/include/asm/termios.h b/arch/frv/include/asm/termios.h index a62fb5872375..b4868aafe79c 100644 --- a/arch/frv/include/asm/termios.h +++ b/arch/frv/include/asm/termios.h @@ -52,7 +52,7 @@ struct termio { /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ #ifdef __KERNEL__ -#include <asm-generic/termios.h> +#include <asm-generic/termios-base.h> #endif #endif /* _ASM_TERMIOS_H */ diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index bb53ab753ffb..e8a5ed7be021 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -109,20 +109,20 @@ register struct thread_info *__current_thread_info asm("gr15"); * - other flags in MSW */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ -#define TIF_SIGPENDING 1 /* signal pending */ -#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ -#define TIF_IRET 4 /* return with iret */ +#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ +#define TIF_SIGPENDING 2 /* signal pending */ +#define TIF_NEED_RESCHED 3 /* rescheduling necessary */ +#define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 /* OOM killer killed process */ #define TIF_FREEZE 18 /* freezing for suspend */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_IRET (1 << TIF_IRET) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1 << TIF_FREEZE) |