circuitpython/ports/qemu-arm/nrf51.ld
Damien George e7332b0584 qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs.
Adds support for 3 Cortex-M boards, selectable via "BOARD" in the Makefile:
- microbit, Cortex-M0 via nRF51822
- netduino2, Cortex-M3 via STM32F205
- mps2-an385, Cortex-M3 via FPGA

netduino2 is the default board because it's supported by older qemu
versions (down to at least 2.5.0).
2019-02-12 13:50:01 +11:00

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MEMORY
{
ROM : ORIGIN = 0x00000000, LENGTH = 1M
RAM : ORIGIN = 0x20000000, LENGTH = 256K
}
_estack = ORIGIN(RAM) + LENGTH(RAM);
SECTIONS
{
.text : {
. = ALIGN(4);
KEEP(*(.isr_vector))
*(.text*)
*(.rodata*)
. = ALIGN(4);
_etext = .;
_sidata = _etext;
} > ROM
.data : AT ( _sidata )
{
. = ALIGN(4);
_sdata = .;
*(.data*)
. = ALIGN(4);
_edata = .;
} >RAM
.bss :
{
. = ALIGN(4);
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .;
} >RAM
}