diff options
Diffstat (limited to 'arch/tile/include/asm')
116 files changed, 12011 insertions, 0 deletions
diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild new file mode 100644 index 000000000000..3b8f55b82dee --- /dev/null +++ b/arch/tile/include/asm/Kbuild @@ -0,0 +1,3 @@ +include include/asm-generic/Kbuild.asm + +header-y += ucontext.h diff --git a/arch/tile/include/asm/asm-offsets.h b/arch/tile/include/asm/asm-offsets.h new file mode 100644 index 000000000000..d370ee36a182 --- /dev/null +++ b/arch/tile/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h new file mode 100644 index 000000000000..b8c49f98a44c --- /dev/null +++ b/arch/tile/include/asm/atomic.h @@ -0,0 +1,159 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * 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, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Atomic primitives. + */ + +#ifndef _ASM_TILE_ATOMIC_H +#define _ASM_TILE_ATOMIC_H + +#ifndef __ASSEMBLY__ + +#include <linux/compiler.h> +#include <asm/system.h> + +#define ATOMIC_INIT(i) { (i) } + +/** + * atomic_read - read atomic variable + * @v: pointer of type atomic_t + * + * Atomically reads the value of @v. + */ +static inline int atomic_read(const atomic_t *v) +{ + return v->counter; +} + +/** + * atomic_sub_return - subtract integer and return + * @v: pointer of type atomic_t + * @i: integer value to subtract + * + * Atomically subtracts @i from @v and returns @v - @i + */ +#define atomic_sub_return(i, v) atomic_add_return((int)(-(i)), (v)) + +/** + * atomic_sub - subtract integer from atomic variable + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v. + */ +#define atomic_sub(i, v) atomic_add((int)(-(i)), (v)) + +/** + * atomic_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns true if the result is + * zero, or false for all other cases. + */ +#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) + +/** + * atomic_inc_return - increment memory and return + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 and returns the new value. + */ +#define atomic_inc_return(v) atomic_add_return(1, (v)) + +/** + * atomic_dec_return - decrement memory and return + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and returns the new value. + */ +#define atomic_dec_return(v) atomic_sub_return(1, (v)) + +/** + * atomic_inc - increment atomic variable + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1. + */ +#define atomic_inc(v) atomic_add(1, (v)) + +/** + * atomic_dec - decrement atomic variable + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1. + */ +#define atomic_dec(v) atomic_sub(1, (v)) + +/** + * atomic_dec_and_test - decrement and test + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and returns true if the result is 0. + */ +#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) + +/** + * atomic |