diff options
Diffstat (limited to 'sysdeps/microblaze/bits')
-rw-r--r-- | sysdeps/microblaze/bits/atomic.h | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/sysdeps/microblaze/bits/atomic.h b/sysdeps/microblaze/bits/atomic.h deleted file mode 100644 index f1cbf43876..0000000000 --- a/sysdeps/microblaze/bits/atomic.h +++ /dev/null @@ -1,272 +0,0 @@ -/* Copyright (C) 2003-2015 Free Software Foundation, Inc. - - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <stdint.h> -#include <sysdep.h> - - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - -#define __HAVE_64B_ATOMICS 0 -#define USE_ATOMIC_COMPILER_BUILTINS 0 - - -/* Microblaze does not have byte and halfword forms of load and reserve and - store conditional. So for microblaze we stub out the 8- and 16-bit forms. */ -#define __arch_compare_and_exchange_bool_8_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_bool_8_rel(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_bool_16_rel(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ - ({ \ - __typeof (*(mem)) __tmp; \ - __typeof (mem) __memp = (mem); \ - int test; \ - __asm __volatile ( \ - " addc r0, r0, r0;" \ - "1: lwx %0, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - " cmp %1, %0, %4;" \ - " bnei %1, 2f;" \ - " swx %5, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - "2:" \ - : "=&r" (__tmp), \ - "=&r" (test), \ - "=m" (*__memp) \ - : "r" (__memp), \ - "r" (oldval), \ - "r" (newval) \ - : "cc", "memory"); \ - __tmp; \ - }) - -#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*mem) == 4) \ - __result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \ - else \ - abort (); \ - __result; \ - }) - -#define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*mem) == 4) \ - __result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \ - else \ - abort (); \ - __result; \ - }) - -#define __arch_atomic_exchange_32_acq(mem, value) \ - ({ \ - __typeof (*(mem)) __tmp; \ - __typeof (mem) __memp = (mem); \ - int test; \ - __asm __volatile ( \ - " addc r0, r0, r0;" \ - "1: lwx %0, %4, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - " swx %3, %4, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - : "=&r" (__tmp), \ - "=&r" (test), \ - "=m" (*__memp) \ - : "r" (value), \ - "r" (__memp) \ - : "cc", "memory"); \ - __tmp; \ - }) - -#define __arch_atomic_exchange_64_acq(mem, newval) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_exchange_acq(mem, value) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*mem) == 4) \ - __result = __arch_atomic_exchange_32_acq (mem, value); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_atomic_exchange_64_acq (mem, value); \ - else \ - abort (); \ - __result; \ - }) - -#define atomic_exchange_rel(mem, value) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*mem) == 4) \ - __result = __arch_atomic_exchange_32_acq (mem, value); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_atomic_exchange_64_acq (mem, value); \ - else \ - abort (); \ - __result; \ - }) - -#define __arch_atomic_exchange_and_add_32(mem, value) \ - ({ \ - __typeof (*(mem)) __tmp; \ - __typeof (mem) __memp = (mem); \ - int test; \ - __asm __volatile ( \ - " addc r0, r0, r0;" \ - "1: lwx %0, %4, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - " add %1, %3, %0;" \ - " swx %1, %4, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - : "=&r" (__tmp), \ - "=&r" (test), \ - "=m" (*__memp) \ - : "r" (value), \ - "r" (__memp) \ - : "cc", "memory"); \ - __tmp; \ - }) - -#define __arch_atomic_exchange_and_add_64(mem, value) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_exchange_and_add(mem, value) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*mem) == 4) \ - __result = __arch_atomic_exchange_and_add_32 (mem, value); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_atomic_exchange_and_add_64 (mem, value); \ - else \ - abort (); \ - __result; \ - }) - -#define __arch_atomic_increment_val_32(mem) \ - ({ \ - __typeof (*(mem)) __val; \ - int test; \ - __asm __volatile ( \ - " addc r0, r0, r0;" \ - "1: lwx %0, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - " addi %0, %0, 1;" \ - " swx %0, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - : "=&r" (__val), \ - "=&r" (test), \ - "=m" (*mem) \ - : "r" (mem), \ - "m" (*mem) \ - : "cc", "memory"); \ - __val; \ - }) - -#define __arch_atomic_increment_val_64(mem) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_increment_val(mem) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*(mem)) == 4) \ - __result = __arch_atomic_increment_val_32 (mem); \ - else if (sizeof (*(mem)) == 8) \ - __result = __arch_atomic_increment_val_64 (mem); \ - else \ - abort (); \ - __result; \ - }) - -#define atomic_increment(mem) ({ atomic_increment_val (mem); (void) 0; }) - -#define __arch_atomic_decrement_val_32(mem) \ - ({ \ - __typeof (*(mem)) __val; \ - int test; \ - __asm __volatile ( \ - " addc r0, r0, r0;" \ - "1: lwx %0, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - " rsubi %0, %0, 1;" \ - " swx %0, %3, r0;" \ - " addic %1, r0, 0;" \ - " bnei %1, 1b;" \ - : "=&r" (__val), \ - "=&r" (test), \ - "=m" (*mem) \ - : "r" (mem), \ - "m" (*mem) \ - : "cc", "memory"); \ - __val; \ - }) - -#define __arch_atomic_decrement_val_64(mem) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_decrement_val(mem) \ - ({ \ - __typeof (*(mem)) __result; \ - if (sizeof (*(mem)) == 4) \ - __result = __arch_atomic_decrement_val_32 (mem); \ - else if (sizeof (*(mem)) == 8) \ - __result = __arch_atomic_decrement_val_64 (mem); \ - else \ - abort (); \ - __result; \ - }) - -#define atomic_decrement(mem) ({ atomic_decrement_val (mem); (void) 0; }) |