File content as of revision 181:57724642e740:

/* mbed Microcontroller Library
 * Copyright (c) 2016 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MBED_MBED_RTX_H
#define MBED_MBED_RTX_H

#if defined(TARGET_MCU_NRF51822)

#ifndef INITIAL_SP
#   if defined(TARGET_MCU_NORDIC_32K)
#       define INITIAL_SP            (0x20008000UL)
#   elif defined(TARGET_MCU_NORDIC_16K)
#       define INITIAL_SP            (0x20004000UL)
#   endif
#endif

#ifndef OS_SYSTICK
#define OS_SYSTICK              0
#endif

#elif defined(TARGET_MCU_NRF52832)

#ifndef INITIAL_SP
#define INITIAL_SP              (0x20010000UL)
#endif

#define OS_IDLE_THREAD_STACK_SIZE  512

#elif defined(TARGET_MCU_NRF52840)

#ifndef INITIAL_SP
#define INITIAL_SP              (0x20040000UL)
#endif

// More than 256 bytes are needed for the idle thread stack on the NRF52840
#define OS_IDLE_THREAD_STACK_SIZE  512

#endif // defined(TARGET_MCU_NRF51822)...

#endif // #ifndef MBED_MBED_RTX_H