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micropython/ports/qemu-arm
David Lechner 882533ad92
qemu-arm/Makefile: Allow overriding CROSS_COMPILE from another makefile. 		5 years ago
..
test-frzmpy qemu-arm: Add testing of frozen native modules. 5 years ago
Makefile qemu-arm/Makefile: Allow overriding CROSS_COMPILE from another makefile. 5 years ago
Makefile.test qemu-arm: Let tinytest.o be built by standard build rules. 5 years ago
README.md ports/qemu-arm: Rework "test" target using upytesthelper. 7 years ago
main.c py: Add global default_emit_opt variable to make emit kind persistent. 5 years ago
modmachine.c ports: Make new ports/ sub-directory and move all ports there. 7 years ago
moduos.c ports: Make new ports/ sub-directory and move all ports there. 7 years ago
mpconfigport.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
mphalport.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
mps2.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
nrf51.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
qstrdefsport.h ports: Make new ports/ sub-directory and move all ports there. 7 years ago
startup.c qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
stm32.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
test_main.c qemu-arm: Let tinytest.o be built by standard build rules. 5 years ago
uart.c qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago
uart.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 6 years ago

README.md

This is experimental, community-supported port for Cortex-M emulation as provided by QEMU (http://qemu.org).

The purposes of this port are to enable:

  1. Continuous integration
    • run tests against architecture-specific parts of code base
  2. Experimentation
    • simulation & prototyping of anything that has architecture-specific code
    • exploring instruction set in terms of optimising some part of MicroPython or a module
  3. Streamlined debugging
    • no need for JTAG or even an MCU chip itself
    • no need to use OpenOCD or anything else that might slow down the process in terms of plugging things together, pressing buttons, etc.

This port will only work with with GCC ARM Embedded toolchain and not with CodeSourcery toolchain. You will need to modify LDFLAGS if you want to use CodeSourcery's version of arm-none-eabi. The difference is that CodeSourcery needs -T generic-m-hosted.ld while ARM's version requires --specs=nano.specs --specs=rdimon.specs to be passed to the linker.

To build and run image with builtin testsuite:

make -f Makefile.test test