30 lines
1.4 KiB
Plaintext
30 lines
1.4 KiB
Plaintext
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/* Flash layout: bootloader_head | softdevice | application | filesystem | bootloader_tail */
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/* RAM layout: bootloader RAM | softdevice RAM | application RAM */
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_bootloader_head_size = DEFINED(_bootloader_head_size) ? _bootloader_head_size : 0;
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_bootloader_tail_size = DEFINED(_bootloader_tail_size) ? _bootloader_tail_size : 0;
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_bootloader_head_ram_size = DEFINED(_bootloader_head_ram_size) ? _bootloader_head_ram_size : 0;
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_head_size = DEFINED(_sd_size) ? _sd_size : _bootloader_head_size;
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_head_ram = DEFINED(_sd_ram) ? _sd_ram : _bootloader_head_ram_size;
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_sd_size = DEFINED(_sd_size) ? _sd_size : 0;
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_sd_ram = DEFINED(_sd_ram) ? _sd_ram : 0;
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_fs_size = DEFINED(_fs_size) ? _fs_size : 64K; /* TODO: set to 0 if not using the filesystem */
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_app_size = _flash_size - _head_size - _fs_size - _bootloader_tail_size;
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_app_start = _head_size;
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_fs_start = _head_size + _app_size;
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_fs_end = _fs_start + _fs_size;
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_app_ram_start = 0x20000000 + _head_ram;
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_app_ram_size = _ram_size - _head_ram;
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_heap_start = _ebss;
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_heap_end = _ram_end - _stack_size;
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_heap_size = _heap_end - _heap_start;
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ASSERT(_heap_size >= _minimum_heap_size, "not enough RAM left for heap")
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/* Specify the memory areas */
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MEMORY
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{
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FLASH_TEXT (rx) : ORIGIN = _app_start, LENGTH = _app_size /* app */
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RAM (xrw) : ORIGIN = _app_ram_start, LENGTH = _app_ram_size
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}
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