56 lines
1.5 KiB
Plaintext
56 lines
1.5 KiB
Plaintext
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//------------------------------------------------------------------------------
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// Linker scatter for running in external SDRAM on the AT91SAM9260
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//------------------------------------------------------------------------------
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//
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// Define a memory region that covers the entire 4 GB addressible space of the
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// processor.
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//
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define memory mem with size = 4G;
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//
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// Define a region for the on-chip flash. size = 2MB
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//
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define region FLASH = mem:[from 0x20000000 to 0x201FFFFF];
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//
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// Define a region for the on-chip SRAM. size = 30MB
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//
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define region SRAM = mem:[from 0x20200000 to 0x21FFFFFF];
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//
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// Indicate that the read/write values should be initialized by copying from
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// flash.
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//
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initialize by copy { readwrite };
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//
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// Indicate that the noinit values should be left alone. This includes the
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// stack, which if initialized will destroy the return address from the
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// initialization code, causing the processor to branch to zero and fault.
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//
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do not initialize { section .noinit };
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//
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// Place the interrupt vectors at the start of flash.
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//
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place at start of FLASH { readonly section .intvec };
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//
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// Place the remainder of the read-only items into flash.
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//
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place in FLASH { readonly };
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//
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// Place the RAM vector table at the start of SRAM.
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//
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place at start of SRAM { section VTABLE };
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//
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// Place all read/write items into SRAM.
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//
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place in SRAM { readwrite};
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keep { section FSymTab };
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keep { section VSymTab };
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keep { section .rti_fn* };
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