diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/bootloader_util_gcc.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/bootloader_util_gcc.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/bootloader_util_gcc.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/bootloader_util_gcc.c new file mode 100644 index 0000000..07494a7 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/bootloader_util_gcc.c @@ -0,0 +1,68 @@ +/** + * Copyright (c) 2013 - 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 "bootloader_util.h" +#include <stdint.h> +#include "nordic_common.h" +#include "bootloader_types.h" +#include <dfu_types.h> +#include "compiler_abstraction.h" + + +uint8_t m_boot_settings[CODE_PAGE_SIZE] __attribute__((section (".boot_settings"))) __attribute__((used)); +uint8_t m_boot_settings_pend[CODE_PAGE_SIZE] __attribute__((section (".boot_settings_pending"))) __attribute__((used)); +uint32_t m_uicr_bootloader_start_address __attribute__((section (".uicr_boot_start_address"))) __attribute__((used)) = BOOTLOADER_REGION_START; +#ifdef NRF52 +uint32_t m_uicr_nrffw_1 __attribute__((section (".uicr_mbr_retaining_address"))) __attribute__((used)) = BOOTLOADER_MBR_RETAINING_PAGE_ADDRESS; +#endif + + +void StartApplication(uint32_t start_addr) +{ + __ASM volatile( + "LDR R2, [%0] \n" //Get App MSP. + "MSR MSP, R2 \n" //Set the main stack pointer to the applications MSP. + "LDR R3, [%0, #0x00000004] \n" //Get application reset vector address. + "BX R3 \n" //No return - stack code is now activated only through SVC and plain interrupts. + ".ALIGN \n" + :: "r" (start_addr) // Argument list for the gcc assembly. start_addr is %0. + ); +} + |