diff options
Diffstat (limited to 'include/asm-m32r')
| -rw-r--r-- | include/asm-m32r/atomic.h | 1 | ||||
| -rw-r--r-- | include/asm-m32r/cache.h | 2 | ||||
| -rw-r--r-- | include/asm-m32r/futex.h | 49 | ||||
| -rw-r--r-- | include/asm-m32r/ioctl.h | 79 | ||||
| -rw-r--r-- | include/asm-m32r/mutex.h | 9 | ||||
| -rw-r--r-- | include/asm-m32r/ptrace.h | 3 | ||||
| -rw-r--r-- | include/asm-m32r/system.h | 10 | ||||
| -rw-r--r-- | include/asm-m32r/thread_info.h | 2 |
8 files changed, 25 insertions, 130 deletions
diff --git a/include/asm-m32r/atomic.h b/include/asm-m32r/atomic.h index 70761278b6c..3122fe106f0 100644 --- a/include/asm-m32r/atomic.h +++ b/include/asm-m32r/atomic.h @@ -243,6 +243,7 @@ static __inline__ int atomic_dec_return(atomic_t *v) #define atomic_add_negative(i,v) (atomic_add_return((i), (v)) < 0) #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** * atomic_add_unless - add unless the number is a given value diff --git a/include/asm-m32r/cache.h b/include/asm-m32r/cache.h index 72482059698..9c2b2d9998b 100644 --- a/include/asm-m32r/cache.h +++ b/include/asm-m32r/cache.h @@ -7,6 +7,4 @@ #define L1_CACHE_SHIFT 4 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -#define L1_CACHE_SHIFT_MAX 4 - #endif /* _ASM_M32R_CACHE_H */ diff --git a/include/asm-m32r/futex.h b/include/asm-m32r/futex.h index 9feff4ce142..6a332a9f099 100644 --- a/include/asm-m32r/futex.h +++ b/include/asm-m32r/futex.h @@ -1,53 +1,6 @@ #ifndef _ASM_FUTEX_H #define _ASM_FUTEX_H -#ifdef __KERNEL__ +#include <asm-generic/futex.h> -#include <linux/futex.h> -#include <asm/errno.h> -#include <asm/uaccess.h> - -static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) -{ - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, ret; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) - return -EFAULT; - - inc_preempt_count(); - - switch (op) { - case FUTEX_OP_SET: - case FUTEX_OP_ADD: - case FUTEX_OP_OR: - case FUTEX_OP_ANDN: - case FUTEX_OP_XOR: - default: - ret = -ENOSYS; - } - - dec_preempt_count(); - - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } - return ret; -} - -#endif #endif diff --git a/include/asm-m32r/ioctl.h b/include/asm-m32r/ioctl.h index 87d8f7db6af..b279fe06dfe 100644 --- a/include/asm-m32r/ioctl.h +++ b/include/asm-m32r/ioctl.h @@ -1,78 +1 @@ -#ifndef _ASM_M32R_IOCTL_H -#define _ASM_M32R_IOCTL_H - -/* $Id$ */ - -/* orig : i386 2.4.18 */ - -/* - * linux/ioctl.h for Linux by H.H. Bergman. - */ - -/* ioctl command encoding: 32 bits total, command in lower 16 bits, - * size of the parameter structure in the lower 14 bits of the - * upper 16 bits. - * Encoding the size of the parameter structure in the ioctl request - * is useful for catching programs compiled with old versions - * and to avoid overwriting user space outside the user buffer area. - * The highest 2 bits are reserved for indicating the ``access mode''. - * NOTE: This limits the max parameter size to 16kB -1 ! - */ - -/* - * The following is for compatibility across the various Linux - * platforms. The i386 ioctl numbering scheme doesn't really enforce - * a type field. De facto, however, the top 8 bits of the lower 16 - * bits are indeed used as a type field, so we might just as well make - * this explicit here. Please be sure to use the decoding macros - * below from now on. - */ -#define _IOC_NRBITS 8 -#define _IOC_TYPEBITS 8 -#define _IOC_SIZEBITS 14 -#define _IOC_DIRBITS 2 - -#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) -#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) -#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) -#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) - -#define _IOC_NRSHIFT 0 -#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS) -#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS) -#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS) - -/* - * Direction bits. - */ -#define _IOC_NONE 0U -#define _IOC_WRITE 1U -#define _IOC_READ 2U - -#define _IOC(dir,type,nr,size) \ - (((dir) << _IOC_DIRSHIFT) | \ - ((type) << _IOC_TYPESHIFT) | \ - ((nr) << _IOC_NRSHIFT) | \ - ((size) << _IOC_SIZESHIFT)) - -/* used to create numbers */ -#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) -#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) -#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) -#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) - -/* used to decode ioctl numbers.. */ -#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) -#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) -#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) -#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK) - -/* ...and for the drivers/sound files... */ - -#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) -#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) -#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) -#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT) -#define IOCSIZE_SHIFT (_IOC_SIZESHIFT) - -#endif /* _ASM_M32R_IOCTL_H */ +#include <asm-generic/ioctl.h> diff --git a/include/asm-m32r/mutex.h b/include/asm-m32r/mutex.h new file mode 100644 index 00000000000..458c1f7fbc1 --- /dev/null +++ b/include/asm-m32r/mutex.h @@ -0,0 +1,9 @@ +/* + * Pull in the generic implementation for the mutex fastpath. + * + * TODO: implement optimized primitives instead, or leave the generic + * implementation in place, or pick the atomic_xchg() based generic + * implementation. (see asm-generic/mutex-xchg.h for details) + */ + +#include <asm-generic/mutex-dec.h> diff --git a/include/asm-m32r/ptrace.h b/include/asm-m32r/ptrace.h index 55cd7ecfde4..0d058b2d844 100644 --- a/include/asm-m32r/ptrace.h +++ b/include/asm-m32r/ptrace.h @@ -163,6 +163,9 @@ extern void show_regs(struct pt_regs *); extern void withdraw_debug_trap(struct pt_regs *regs); +#define task_pt_regs(task) \ + ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1) + #endif /* __KERNEL */ #endif /* _ASM_M32R_PTRACE_H */ diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h index dcf619a0a0b..06c12a037cb 100644 --- a/include/asm-m32r/system.h +++ b/include/asm-m32r/system.h @@ -68,6 +68,16 @@ last = __last; \ } while(0) +/* + * On SMP systems, when the scheduler does migration-cost autodetection, + * it needs a way to flush as much of the CPU's caches as possible. + * + * TODO: fill this in! + */ +static inline void sched_cacheflush(void) +{ +} + /* Interrupt Control */ #if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104) #define local_irq_enable() \ diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h index 0f589363f61..22aff3222d2 100644 --- a/include/asm-m32r/thread_info.h +++ b/include/asm-m32r/thread_info.h @@ -110,8 +110,6 @@ static inline struct thread_info *current_thread_info(void) #endif #define free_thread_info(info) kfree(info) -#define get_thread_info(ti) get_task_struct((ti)->task) -#define put_thread_info(ti) put_task_struct((ti)->task) #define TI_FLAG_FAULT_CODE_SHIFT 28 |