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Diffstat (limited to 'softdevice/s112/headers/nrf_svc.h')
| -rw-r--r-- | softdevice/s112/headers/nrf_svc.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/softdevice/s112/headers/nrf_svc.h b/softdevice/s112/headers/nrf_svc.h new file mode 100644 index 0000000..231a54f --- /dev/null +++ b/softdevice/s112/headers/nrf_svc.h @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2012 - 2019, Nordic Semiconductor ASA + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef NRF_SVC__ +#define NRF_SVC__ + +#include "stdint.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** @brief Supervisor call declaration. + * + * A call to a function marked with @ref SVCALL, will trigger a Supervisor Call (SVC) Exception. + * The SVCs with SVC numbers 0x00-0x0F are forwared to the application. All other SVCs are handled by the SoftDevice. + * + * @param[in] number The SVC number to be used. + * @param[in] return_type The return type of the SVC function. + * @param[in] signature Function signature. The function can have at most four arguments. + */ + +#ifdef SVCALL_AS_NORMAL_FUNCTION +#define SVCALL(number, return_type, signature) return_type signature +#else + +#ifndef SVCALL +#if defined (__CC_ARM) +#define SVCALL(number, return_type, signature) return_type __svc(number) signature +#elif defined (__GNUC__) +#ifdef __cplusplus +#define GCC_CAST_CPP (uint16_t) +#else +#define GCC_CAST_CPP +#endif +#define SVCALL(number, return_type, signature) \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \ + __attribute__((naked)) \ + __attribute__((unused)) \ + static return_type signature \ + { \ + __asm( \ + "svc %0\n" \ + "bx r14" : : "I" (GCC_CAST_CPP number) : "r0" \ + ); \ + } \ + _Pragma("GCC diagnostic pop") + +#elif defined (__ICCARM__) +#define PRAGMA(x) _Pragma(#x) +#define SVCALL(number, return_type, signature) \ +PRAGMA(swi_number = (number)) \ + __swi return_type signature; +#else +#define SVCALL(number, return_type, signature) return_type signature +#endif +#endif // SVCALL + +#endif // SVCALL_AS_NORMAL_FUNCTION + +#ifdef __cplusplus +} +#endif +#endif // NRF_SVC__ |