diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/svc/nrf_svci.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/svc/nrf_svci.h | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/svc/nrf_svci.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/svc/nrf_svci.h new file mode 100644 index 0000000..38d54e3 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/svc/nrf_svci.h @@ -0,0 +1,300 @@ +/** + * Copyright (c) 2016 - 2018, 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. + * + */ +/** @file + * + * @defgroup sdk_nrf_svci Supervisor instructions with indirect number + * @{ + * @ingroup app_common + * + * @brief Macros to create Supervisor instructions using indirect number. + */ + +#ifndef NRF_SVCI_H__ +#define NRF_SVCI_H__ + +#include "stdint.h" +#include "compiler_abstraction.h" +#include "app_util.h" + + + + +#ifdef __cplusplus +extern "C" { +#endif + +#define NRF_SVCI_SVC_NUM 0 /**< SVC number used for all SVCI functions. */ +#define NRF_SVCI_SVC_NUM_INVALID (0xFFFFFFFF) /**< Invalid SVCI number. */ + +#ifdef __cplusplus + #define GCC_CAST_CPP (uint8_t) +#else + #define GCC_CAST_CPP +#endif + +#if (__LINT__ != 1) + +#if defined (__CC_ARM) + + #define SVCI_DECL(svci_num, return_type, function_name, ...) \ + return_type __svc_indirect(NRF_SVCI_SVC_NUM) \ + svci_ ## function_name(uint32_t _svci_num, ##__VA_ARGS__); + + #define SVCI_DECL_0(svci_num, return_type, function_name) \ + return_type __svc_indirect(NRF_SVCI_SVC_NUM) \ + svci_ ## function_name(uint32_t _svci_num); + + #define SVCI_0(svci_num, return_type, function_name) \ + SVCI_DECL_0(svci_num, return_type, function_name) \ + static __INLINE return_type function_name(void) \ + { \ + return svci_ ## function_name(svci_num); \ + } + + #define SVCI_1(svci_num, return_type, function_name, p0t, p0n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n) \ + static __INLINE return_type function_name(p0t p0n) \ + { \ + return svci_ ## function_name(svci_num, p0n); \ + } + + #define SVCI_2(svci_num, return_type, function_name, p0t, p0n, p1t, p1n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n) \ + { \ + return svci_ ## function_name(svci_num, p0n, p1n); \ + } + + #define SVCI_3(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n) \ + { \ + return svci_ ## function_name(svci_num, p0n, p1n, p2n); \ + } + + #define SVCI_4(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n, p3t, p3n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n, p3t p3n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n, p3t p3n) \ + { \ + return svci_ ## function_name(svci_num, p0n, p1n, p2n, p3n); \ + } + +#else + +#if defined (__GNUC__) + + #define SVCI_DECL_0(svci_num, return_type, function_name) \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \ + __attribute__((naked, unused)) \ + static return_type svci_ ## function_name(void) \ + { \ + /* Do the SuperVisor call by using svc instruction with \ + R12 containing the SVCI number */ \ + __ASM __volatile \ + ( \ + " ldr r12, =%0 \n" \ + " svc %1 \n" \ + " bx lr \n" \ + " .ltorg" \ + : /* output */ \ + : /* input */ \ + "X"(svci_num), \ + "I"(GCC_CAST_CPP NRF_SVCI_SVC_NUM) \ + : /* clobbers */ \ + "r12" \ + ); \ + } \ + _Pragma("GCC diagnostic pop") + + #define SVCI_DECL(svci_num, return_type, function_name, ...) \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \ + __attribute__((naked, unused)) \ + static return_type svci_ ## function_name(__VA_ARGS__) \ + { \ + /* Do the SuperVisor call by using svc instruction with \ + R12 containing the SVCI number */ \ + __ASM __volatile \ + ( \ + " ldr.w r12, =%0 \n" \ + " svc %1 \n" \ + " bx lr \n" \ + " .ltorg" \ + : /* output */ \ + : /* input */ \ + "X"(svci_num), \ + "I"(GCC_CAST_CPP NRF_SVCI_SVC_NUM) \ + : /* clobbers */ \ + "r12" \ + ); \ + } \ + _Pragma("GCC diagnostic pop") + +#elif defined (__ICCARM__) + + #define SVCI_DECL_0(svci_num, return_type, function_name) \ + /* Suppress return value warning. */ \ + _Pragma("diag_suppress=Pe940") \ + static __root return_type svci_ ## function_name(void) \ + { \ + /* Do the SuperVisor call by using svc instruction with \ + R12 containing the SVCI number */ \ + __ASM volatile \ + ( \ + " mov r12, %0 \n" \ + " svc %1 \n" \ + : /*no output*/ \ + : "r" (svci_num), "I" (NRF_SVCI_SVC_NUM) \ + : \ + ); \ + } + + #define SVCI_DECL(svci_num, return_type, function_name, ...) \ + /* Suppress return value warning. */ \ + _Pragma("diag_suppress=Pe940") \ + static __root return_type svci_ ## function_name(__VA_ARGS__) \ + { \ + /* We stack r0-r3 as r0 is used to set high register (r12) \ + This CODE MUST BE IN ITS OWN __ASM BLOCK! */ \ + __ASM volatile ( "push {r0, r1, r2, r3}\n\t" ); \ + /* Set R12 to the svc_number, this will use r0 as indirect \ + * storage. Pop r0-r3 to reset value before SVCI. */ \ + __ASM volatile \ + ( \ + " mov r12, %0 \n" \ + " pop {r0, r1, r2, r3} \n" \ + : /*no output */ \ + : "r" (svci_num) \ + : \ + ); \ + /* Do the SuperVisor call by using svc instruction with \ + R12 containing the SVCI number */ \ + __ASM volatile \ + ( \ + " svc %0 \n" \ + " bx lr \n" \ + : /*no output*/ \ + : "I" (NRF_SVCI_SVC_NUM) \ + : \ + ); \ + } +#else // Not defined (__ICCARM__) or defined (__GNUC__) + + #error Unsupported compiler for SVCI interface + +#endif // Not defined (__ICCARM__) or defined (__GNUC__) + + #define SVCI_0(svci_num, return_type, function_name) \ + SVCI_DECL_0(svci_num, return_type, function_name) \ + static __INLINE return_type function_name(void) \ + { \ + return svci_ ## function_name(); \ + } + + #define SVCI_1(svci_num, return_type, function_name, p0t, p0n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n) \ + static __INLINE return_type function_name(p0t p0n) \ + { \ + return svci_ ## function_name(p0n); \ + } + + #define SVCI_2(svci_num, return_type, function_name, p0t, p0n, p1t, p1n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n) \ + { \ + return svci_ ## function_name(p0n, p1n); \ + } + + #define SVCI_3(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n) \ + { \ + return svci_ ## function_name(p0n, p1n, p2n); \ + } + + #define SVCI_4(svci_num, return_type, function_name, p0t, p0n, p1t, p1n, p2t, p2n, p3t, p3n) \ + SVCI_DECL(svci_num, return_type, function_name, p0t p0n, p1t p1n, p2t p2n, p3t p3n) \ + static __INLINE return_type function_name(p0t p0n, p1t p1n, p2t p2n, p3t p3n) \ + { \ + return svci_ ## function_name(p0n, p1n, p2n, p3n); \ + } + +#endif // Not __CC_ARM + +#define VA_NARGS_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, N, ...) N +#define VA_NARGS(...) VA_NARGS_IMPL(__VA_ARGS__, 4, 4, 3, 3, 2, 2, 1, 1, 0) + +#ifdef SVCALL_INDIRECT_AS_NORMAL_FUNCTION + +#define SVCI(svci_num, return_type, function_name, ...) \ + return_type function_name(##__VA_ARGS__) + +#else + + +#define SVCI_IMPLI(count, svci_num, return_type, function_name, ...) \ + SVCI##_##count (svci_num, return_type, function_name, ##__VA_ARGS__) + +#define SVCI_IMPL(count, svci_num, return_type, function_name, ...) \ + SVCI_IMPLI(count, svci_num, return_type, function_name, ##__VA_ARGS__) + +#define SVCI(svci_num, return_type, function_name, ...) \ + SVCI_IMPL(VA_NARGS(__VA_ARGS__), svci_num, return_type, function_name, ##__VA_ARGS__) + + +#endif // SVCALL_INDIRECT_AS_NORMAL_FUNCTION + +#else // (__LINT__ == 1) + #define SVCI(svci_num, return_type, function_name, ...) +#endif + +#ifdef __cplusplus +} +#endif + + + +#endif // NRF_SVCI_H__ + + + + +/** @} */ |