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https://github.com/jam422470459/EPD-nRF52-hema213.git
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161 lines
7.9 KiB
C
161 lines
7.9 KiB
C
/**
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* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_SVCI_H__
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#define NRF_SVCI_H__
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#include "stdint.h"
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#include "compiler_abstraction.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NRF_SVCI_SVC_NUM 0 /**< SVC number used for all SVCI functions. */
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#define NRF_SVCI_SVC_NUM_INVALID (0xFFFFFFFF) /**< Invalid SVCI number. */
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#if defined (__CC_ARM)
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#define SVCI_DECL(svci_num, return_type, function_name, ...) \
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return_type __svc_indirect(NRF_SVCI_SVC_NUM) svci_##function_name(uint32_t _svci_num, ##__VA_ARGS__);
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#elif defined (__GNUC__)
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#ifdef __cplusplus
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#define GCC_CAST_CPP (uint8_t)
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#else
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#define GCC_CAST_CPP
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#endif
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#define SVCI_DECL(svci_num, return_type, function_name, ...) \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \
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__attribute__((naked, unused)) \
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static return_type function_name(uint32_t svci_num, \
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__VA_ARGS__) \
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{ \
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__asm __volatile ( \
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"mov r12, %1\n\t" \
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"svc %0\n\t" \
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"bx r14\n\t" \
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: /* no output */ \
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: "I" (GCC_CAST_CPP NRF_SVCI_SVC_NUM), "r" (svci_num) \
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: "r12" /* do we need to clobber? */ \
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); \
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} \
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_Pragma("GCC diagnostic pop")
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#elif defined (__ICCARM__)
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#define SVCI_DECL(svci_num, return_type, function_name, ...) \
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/* Suppress return value warming. */ \
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_Pragma("diag_suppress=Pe940") \
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static return_type function_name(uint32_t svci_num, \
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__VA_ARGS__) \
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{ \
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__asm volatile ( \
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"mov r12, %1\n\t" \
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"svc %0\n\t" \
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"bx r14\n\t" \
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: /* no output */ \
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: "I" (NRF_SVCI_SVC_NUM), "r" (svci_num) \
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: "r12" /* do we need to clobber? */ \
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); \
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}
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#else
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#define SVCI_DECL(svci_number, return_type, function_name, ...)
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#endif
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#define VA_NARGS_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, N, ...) N
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#define VA_NARGS(...) VA_NARGS_IMPL(__VA_ARGS__, 4, 4, 3, 3, 2, 2, 1, 1, 0)
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#ifdef SVC_INTERFACE_CALL_AS_NORMAL_FUNCTION
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#define SVCI_0(svci_num, return_type, function_name) \
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return_type function_name(void)
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#define SVCI_1(svci_num, return_type, function_name, p0t, p0n) \
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return_type function_name(p0t p0n)
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#define SVCI_2(svci_num, return_type, function_name, p0t, p0n, p1t, p1n) \
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return_type function_name(p0t p0n, p1t p1n)
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#define SVCI_3(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n) \
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return_type function_name(p0t p0n, p1t p1n, p2t p2n)
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#define SVCI_4(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n, p3t, p3n) \
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return_type function_name(p0t p0n, p1t p1n, p2t p2n, p3t p3n)
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#else
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#define SVCI_0(svci_num, return_type, function_name) \
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SVCI_DECL(svci_num, return_type, function_name) \
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static __INLINE return_type function_name(void) {return svci_##function_name(svci_num);}
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#define SVCI_1(svci_num, return_type, function_name, p0t, p0n) \
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SVCI_DECL(svci_num, return_type, function_name, p0t p0n) \
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static __INLINE return_type function_name(p0t p0n) {return svci_##function_name(svci_num, p0n);}
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#define SVCI_2(svci_num, return_type, function_name, p0t, p0n, p1t, p1n) \
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SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n) \
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static __INLINE return_type function_name(p0t p0n, p1t p1n) {return svci_##function_name(svci_num, p0n, p1n);}
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#define SVCI_3(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n) \
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SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n) \
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static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n) {return svci_##function_name(svci_num, p0n, p1n, p2n);}
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#define SVCI_4(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n, p3t, p3n) \
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SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n, p3t p3n) \
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static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n, p3t p3n) {return svci_##function_name(svci_num, p0n, p1n, p2n, p3n);}
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#endif // SVCALL_AS_NORMAL_FUNCTION
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#define SVCI_IMPLI(count, svci_num, return_type, function_name, ...) SVCI##_##count (svci_num, return_type, function_name, ##__VA_ARGS__)
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#define SVCI_IMPL(count, svci_num, return_type, function_name, ...) SVCI_IMPLI(count, svci_num, return_type, function_name, ##__VA_ARGS__)
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#define SVCI(svci_num, return_type, function_name, ...) SVCI_IMPL(VA_NARGS(__VA_ARGS__), svci_num, return_type, function_name, ##__VA_ARGS__)
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_SVCI_H__
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