From 3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Thu, 23 Aug 2018 17:08:59 +0200 Subject: o Initial import. --- .../experimental_stack_guard/nrf_stack_guard.c | 92 ++++++++++++++++++++++ .../experimental_stack_guard/nrf_stack_guard.h | 80 +++++++++++++++++++ 2 files changed, 172 insertions(+) create mode 100644 thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.c create mode 100644 thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard') diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.c new file mode 100644 index 0000000..344da2f --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.c @@ -0,0 +1,92 @@ +/** + * 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. + * + */ + +#include +#include "nrf.h" +#include "nrf_assert.h" +#include "nrf_strerror.h" +#include "nrf_mpu.h" +#include "nrf_stack_guard.h" + +#define NRF_LOG_MODULE_NAME stack_guard + +#if NRF_STACK_GUARD_CONFIG_LOG_ENABLED +#define NRF_LOG_LEVEL NRF_STACK_GUARD_CONFIG_LOG_LEVEL +#define NRF_LOG_INFO_COLOR NRF_STACK_GUARD_CONFIG_INFO_COLOR +#define NRF_LOG_DEBUG_COLOR NRF_STACK_GUARD_CONFIG_DEBUG_COLOR +#endif +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#if NRF_STACK_GUARD_ENABLED +STATIC_ASSERT(STACK_GUARD_SIZE >= 32); + +ret_code_t nrf_stack_guard_init(void) +{ + nrf_mpu_region_t region; + uint32_t attributes; + ret_code_t status; + + ASSERT((STACK_GUARD_BASE + STACK_GUARD_SIZE) < (uint32_t)((void *)(STACK_TOP))); + + attributes = (0x05 << MPU_RASR_TEX_Pos) | (1 << MPU_RASR_B_Pos) | /* Normal memory, WBWA/WBWA */ + (0x07 << MPU_RASR_AP_Pos) | (1 << MPU_RASR_XN_Pos); /* Access: RO/RO, XN */ + + status = nrf_mpu_region_create(®ion, + (void *)(STACK_GUARD_BASE), + STACK_GUARD_SIZE, + attributes); + + if (status == NRF_SUCCESS) + { + NRF_LOG_INFO("Stack Guard: 0x%08X-0x%08X (usable stack area: %u bytes)", + STACK_GUARD_BASE, + STACK_GUARD_BASE + STACK_GUARD_SIZE - 1, + REAL_STACK_SIZE); + } + else + { + NRF_LOG_ERROR("Cannot create stack guard page! Error: %u [%s]", status, (uint32_t)nrf_strerror_get(status)); + } + + return status; +} + +#endif /* NRF_STACK_GUARD_ENABLED */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h new file mode 100644 index 0000000..d5f9f18 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h @@ -0,0 +1,80 @@ +/** + * Copyright (c) 2017 - 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. + * + */ + +#ifndef __NRF_STACK_GUARD_H__ +#define __NRF_STACK_GUARD_H__ + +/** +* @defgroup nrf_stack_guard Stack guard +* @{ +* @ingroup app_common +* @brief Functions for enabling stack violation control +*/ +#include "sdk_config.h" +#include "app_util.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#if NRF_STACK_GUARD_ENABLED +#define STACK_GUARD_SIZE (1ul << NRF_STACK_GUARD_CONFIG_SIZE) +#define STACK_GUARD_BASE (((uint32_t)((void *)(STACK_BASE)) + STACK_GUARD_SIZE - 1) \ + & ~(STACK_GUARD_SIZE - 1)) +#define REAL_STACK_SIZE (((int32_t)(STACK_TOP)) - (int32_t)(STACK_GUARD_BASE + STACK_GUARD_SIZE)) +#else /* !NRF_STACK_GUARD_ENABLED */ +#define REAL_STACK_SIZE (((int32_t)(STACK_TOP)) - (int32_t)((void *)(STACK_BASE))) +#endif /* NRF_STACK_GUARD_ENABLED */ + +/**@brief Initialize Stack Guard Page */ +ret_code_t nrf_stack_guard_init(void); + +#if NRF_STACK_GUARD_ENABLED +#define NRF_STACK_GUARD_INIT() nrf_stack_guard_init() +#else +#define NRF_STACK_GUARD_INIT() NRF_SUCCESS +#endif + +#ifdef __cplusplus +} +#endif + +#endif //__NRF_STACK_GUARD_H__ +/** @} */ -- cgit v1.2.3