Only re-compile version.c as often as necessary

[proxmark3-svn] / bootrom / ldscript-flash

INCLUDE ../common/ldscript.common\r
\r
ENTRY(flashstart)\r
SECTIONS\r
{\r
    . = 0;\r
    \r
    .bootphase1 : {\r
    	*(.startup) \r
    	*(.bootphase1)\r
    	\r
    	/* It seems to be impossible to flush align a section at the\r
    	   end of a memory segment. Instead, we'll put the version_information\r
    	   wherever the linker wants it, and then put a pointer to the start\r
    	   of the version information at the end of the section.\r
    	   -- Henryk Plötz <henryk@ploetzli.ch> 2009-08-28 */\r
    	   \r
    	_version_information_start = ABSOLUTE(.);\r
    	*(.version_information);\r
    	\r
	/* Why doesn't this work even though _bootphase1_version_pointer = 0x1001fc?
	  . = _bootphase1_version_pointer - ORIGIN(bootphase1); */\r
	/* This works, apparently it fools the linker into accepting an absolute address */\r
	. = _bootphase1_version_pointer - ORIGIN(bootphase1) + ORIGIN(bootphase1);\r
    	LONG(_version_information_start)\r
    } >bootphase1\r
    \r
    .bootphase2 : {\r
    	__bootphase2_start__ = .;\r
    	*(.startphase2)\r
    	*(.text)\r
    	*(.glue_7)\r
    	*(.glue_7t)\r
    	*(.rodata)\r
        *(.data)\r
    	. = ALIGN( 32 / 8 );\r
    	__bootphase2_end__ = .;\r
    } >ram AT>bootphase2\r
    \r
    .bss : {\r
    	__bss_start__ = .; \r
    	*(.bss)\r
    } >ram\r
    \r
    . = ALIGN( 32 / 8 );\r
    __bss_end__ = .;\r
}\r