mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-12-04 19:04:15 +01:00
72 lines
2.6 KiB
Plaintext
72 lines
2.6 KiB
Plaintext
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#ifdef ICEBREAKER
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# define MEM_TOTAL 0x20000 /* 128 KB */
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#elif HX8KDEMO
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# define MEM_TOTAL 0x200 /* 2 KB */
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#else
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# error "Set -DICEBREAKER or -DHX8KDEMO when compiling firmware.c"
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#endif
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x00100000, LENGTH = 0x400000 /* entire flash, 4 MiB */
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RAM (xrw) : ORIGIN = 0x00000000, LENGTH = MEM_TOTAL
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}
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SECTIONS {
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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*(.srodata) /* .rodata sections (constants, strings, etc.) */
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*(.srodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(4);
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_etext = .; /* define a global symbol at end of code */
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_sidata = _etext; /* This is used by the startup in order to initialize the .data secion */
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} >FLASH
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/* This is the initialized data section
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The program executes knowing that the data is in the RAM
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but the loader puts the initial values in the FLASH (inidata).
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It is one task of the startup to copy the initial values from FLASH to RAM. */
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.data : AT ( _sidata )
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
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_ram_start = .; /* create a global symbol at ram start for garbage collector */
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. = ALIGN(4);
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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*(.sdata) /* .sdata sections */
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*(.sdata*) /* .sdata* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
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} >RAM
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/* Uninitialized data section */
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.bss :
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{
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. = ALIGN(4);
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_sbss = .; /* define a global symbol at bss start; used by startup code */
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*(.bss)
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*(.bss*)
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*(.sbss)
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*(.sbss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end; used by startup code */
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} >RAM
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/* this is to define the start of the heap, and make sure we have a minimum size */
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.heap :
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{
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. = ALIGN(4);
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_heap_start = .; /* define a global symbol at heap start */
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} >RAM
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}
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