diff options
Diffstat (limited to 'firmware/target/arm/tcc780x/app.lds')
-rw-r--r-- | firmware/target/arm/tcc780x/app.lds | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/firmware/target/arm/tcc780x/app.lds b/firmware/target/arm/tcc780x/app.lds new file mode 100644 index 0000000000..069dd24b9c --- /dev/null +++ b/firmware/target/arm/tcc780x/app.lds @@ -0,0 +1,170 @@ +#include "config.h" + +ENTRY(start) + +OUTPUT_FORMAT(elf32-littlearm) +OUTPUT_ARCH(arm) +INPUT(target/arm/tcc780x/crt0.o) + +#define PLUGINSIZE PLUGIN_BUFFER_SIZE +#define CODECSIZE CODEC_SIZE + +#ifdef DEBUG +#define STUBOFFSET 0x10000 +#else +#define STUBOFFSET 0 +#endif + +#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE + +#define DRAMORIG 0x20000000 + STUBOFFSET +#define ITCMORIG 0x00000000 +#define ITCMSIZE 0x1000 +#define DTCMORIG 0xA0000000 +#define DTCMSIZE 0x2000 +#define SRAMORIG 0x10000000 +#define SRAMSIZE 0xc000 + +/* End of the audio buffer, where the codec buffer starts */ +#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE) + +/* Where the codec buffer ends, and the plugin buffer starts */ +#define ENDADDR (ENDAUDIOADDR + CODECSIZE) + +MEMORY +{ + DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE + /* Seperate data & instruction TCMs plus SRAM. */ + ITCM : ORIGIN = ITCMORIG, LENGTH = ITCMSIZE + DTCM : ORIGIN = DTCMORIG, LENGTH = DTCMSIZE + SRAM : ORIGIN = SRAMORIG, LENGTH = SRAMSIZE +} + +SECTIONS +{ + .text : + { + loadaddress = .; + _loadaddress = .; + . = ALIGN(0x200); + *(.init.text) + *(.text*) + *(.glue_7) + *(.glue_7t) + . = ALIGN(0x4); + } > DRAM + + .rodata : + { + *(.rodata) /* problems without this, dunno why */ + *(.rodata*) + *(.rodata.str1.1) + *(.rodata.str1.4) + . = ALIGN(0x4); + + /* Pseudo-allocate the copies of the data sections */ + _datacopy = .; + } > DRAM + + /* TRICK ALERT! For RAM execution, we put the .data section at the + same load address as the copy. Thus, we don't waste extra RAM + when we don't actually need the copy. */ + .data : AT ( _datacopy ) + { + _datastart = .; + *(.data*) + . = ALIGN(0x4); + _dataend = .; + } > DRAM + + /DISCARD/ : + { + *(.eh_frame) + } + + .vectors ITCMORIG : + { + _vectorsstart = .; + *(.vectors); + _vectorsend = .; + } > ITCM AT> DRAM + + _vectorscopy = LOADADDR(.vectors); + + .itcm : + { + _itcmstart = .; + _itcmend = .; + } > ITCM AT> DRAM + + _itcmcopy = LOADADDR(.itcm); + + .dtcm : + { + _dtcmstart = .; + _dtcmend = .; + } > DTCM AT> DRAM + + _dtcmcopy = LOADADDR(.dtcm); + + .iram : + { + _iramstart = .; + *(.irodata) + *(.idata) + *(.icode) + . = ALIGN(0x4); + _iramend = .; + } > SRAM AT> DRAM + + _iramcopy = LOADADDR(.iram); + + .ibss (NOLOAD) : + { + _iedata = .; + *(.ibss) + . = ALIGN(0x4); + _iend = .; + } > SRAM + + .stack : + { + *(.stack) + stackbegin = .; + . += 0x2000; + stackend = .; + } > SRAM + + .bss : + { + _edata = .; + *(.bss*) + *(COMMON) + . = ALIGN(0x4); + _end = .; + } > DRAM + + .audiobuf ALIGN(4) : + { + _audiobuffer = .; + audiobuffer = .; + } > DRAM + + .audiobufend ENDAUDIOADDR: + { + audiobufend = .; + _audiobufend = .; + } > DRAM + + .codec ENDAUDIOADDR: + { + codecbuf = .; + _codecbuf = .; + } + + .plugin ENDADDR: + { + _pluginbuf = .; + pluginbuf = .; + } +} |