rt-thread-official/bsp/asm9260t/link_scripts/sdram.icf

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//------------------------------------------------------------------------------
// 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. size = 2MB
//
define region FLASH = mem:[from 0x20000000 to 0x201FFFFF];
//
// Define a region for the on-chip SRAM. size = 30MB
//
define region SRAM = mem:[from 0x20200000 to 0x21FFFFFF];
//
// 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* };