| 
                Last change
                  on this file was
                  949,
                  checked in by cfuguet, 11 years ago
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          | 
               
preloader: when loading LINUX, copy the DTB in low memory addresses 
 
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        | 
            File size:
            811 bytes
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| 1 | /** | 
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| 2 |  * \file   : preloader.ld.in | 
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| 3 |  * \author : Cesar Fuguet | 
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| 4 |  * \date   : July 24, 2014 | 
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| 5 |  * | 
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| 6 |  * \brief  : preloader ldscript template | 
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| 7 |  * \note   : must be compiled with gcc to generate an instance | 
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| 8 |  */ | 
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| 9 |  | 
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| 10 | #include <defs.h> | 
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| 11 |  | 
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| 12 | /* Definition of the base address for code segment */ | 
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| 13 |  | 
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| 14 | seg_code_base = RESET_ADDRESS; | 
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| 15 | seg_data_base = SEG_RAM_BASE + SEG_RAM_SIZE - RESET_STACK_SIZE - 0x4000; | 
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| 16 |  | 
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| 17 | /* Grouping sections into segments */ | 
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| 18 |  | 
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| 19 | ENTRY(reset) | 
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| 20 |  | 
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| 21 | SECTIONS | 
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| 22 | { | 
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| 23 |     . = seg_code_base; | 
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| 24 |     .text : | 
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| 25 |     { | 
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| 26 |         *(.reset) | 
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| 27 |         *(.text) | 
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| 28 |         . = ALIGN(0x4); | 
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| 29 |         dtb_start = .; | 
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| 30 | #if USE_DT == 1 | 
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| 31 |         INCLUDE "build/platform.ld"; | 
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| 32 | #endif | 
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| 33 |         dtb_end = .; | 
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| 34 |         *(.rodata) | 
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| 35 |         *(.rodata.*) | 
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| 36 |     } | 
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| 37 |  | 
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| 38 |     . = seg_data_base; | 
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| 39 |     .bss ALIGN(0x4) (NOLOAD) : | 
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| 40 |     { | 
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| 41 |         *(.data) | 
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| 42 |         *(.bss) | 
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| 43 |         *(COMMON) | 
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| 44 |     } | 
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| 45 | } | 
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