X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8652988d62b19631e498b62a3800f0decb5e743a..e3ae0257834f7d134c7f80db6fa23668b5a5fa6d:/bootrom/ldscript-flash diff --git a/bootrom/ldscript-flash b/bootrom/ldscript-flash index fa6fb26e..142924a8 100644 --- a/bootrom/ldscript-flash +++ b/bootrom/ldscript-flash @@ -1,32 +1,37 @@ -MEMORY -{ - /* AT91SAM7S256 has 256k Flash and 64k RAM */ - /* Important note: the correct ORIGIN for bootphase1 is 0x00100000 and for bootphase2 is 0x00100200 - However, this will confuse the currently deployed flash code which expects logical and and not - physical addresses and performs no sanity checks at all. If confronted with physical addresses, - it will happily erase everything and brick the device. So for the time being pretend these addresses - to start at 0x0 while updating all the flash code with proper sanity checks, then come back later and - fix the addresses. -- Henryk Plötz 2009-08-27 */ - bootphase1 : ORIGIN = 0x00000000, LENGTH = 0x200 /* Phase 1 bootloader: Copies real bootloader to RAM */ - bootphase2 : ORIGIN = 0x00000200, LENGTH = 0x2000 - 0x200 /* Main bootloader code, stored in Flash, executed from RAM */ - ram : ORIGIN = 0x00200000, LENGTH = 32K -} - +INCLUDE ../common/ldscript.common +ENTRY(flashstart) SECTIONS { . = 0; - bootphase1 : { + .bootphase1 : { *(.startup) *(.bootphase1) + + /* It seems to be impossible to flush align a section at the + end of a memory segment. Instead, we'll put the version_information + wherever the linker wants it, and then put a pointer to the start + of the version information at the end of the section. + -- Henryk Plötz 2009-08-28 */ + + _version_information_start = ABSOLUTE(.); + *(.version_information); + + /* Why doesn't this work even though _bootphase1_version_pointer = 0x1001fc? + . = _bootphase1_version_pointer - ORIGIN(bootphase1); */ + /* This works, apparently it fools the linker into accepting an absolute address */ + . = _bootphase1_version_pointer - ORIGIN(bootphase1) + ORIGIN(bootphase1); + LONG(_version_information_start) } >bootphase1 - bootphase2 : { + __bootphase2_src_start__ = ORIGIN(bootphase2); + .bootphase2 : { __bootphase2_start__ = .; *(.startphase2) *(.text) *(.glue_7) + *(.glue_7t) *(.rodata) *(.data) . = ALIGN( 32 / 8 );