rt-thread/bsp/at91sam9260/link_scripts/at91sam9260_ram.icf

//------------------------------------------------------------------------------
//      Linker scatter for running in external SDRAM on the AT91SAM9260
//------------------------------------------------------------------------------

//
// Define a memory region that covers the entire 4 GB addressible space of the
// processor.
//
define memory mem with size = 4G;

//
// Define a region for the on-chip flash.
//
define region FLASH = mem:[from 0x20000000 to 0x207FFFFF];

//
// Define a region for the on-chip SRAM.
//
define region SRAM  = mem:[from 0x20800000 to 0x23FFFFFF];

//
// Indicate that the read/write values should be initialized by copying from
// flash.
//
initialize by copy { readwrite };

//
// Indicate that the noinit values should be left alone.  This includes the
// stack, which if initialized will destroy the return address from the
// initialization code, causing the processor to branch to zero and fault.
//
do not initialize { section .noinit };

//
// Place the interrupt vectors at the start of flash.
//
place at start of FLASH { readonly section .intvec };

//
// Place the remainder of the read-only items into flash.
//
place in FLASH { readonly };

//
// Place the RAM vector table at the start of SRAM.
//
place at start of SRAM { section VTABLE };

//
// Place all read/write items into SRAM.
//
place in SRAM { readwrite};
keep { section FSymTab };
keep { section VSymTab };
keep { section .rti_fn* };