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micropython/ports/qemu-arm
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Yonatan Goldschmidt 973f68780d qemu-arm: Add ldscript dependency in the final firmware.elf target. 
So that the target is rebuilt if the linker script changes.
 		2019-11-15 10:25:48 +11:00
..
test-frzmpy qemu-arm: Add testing of frozen native modules. 2019-08-20 15:14:08 +10:00
Makefile qemu-arm: Add ldscript dependency in the final firmware.elf target. 2019-11-15 10:25:48 +11:00
Makefile.test qemu-arm: Add ldscript dependency in the final firmware.elf target. 2019-11-15 10:25:48 +11:00
README.md ports/qemu-arm: Rework "test" target using upytesthelper. 2017-12-13 09:07:51 +02:00
main.c py: Add global default_emit_opt variable to make emit kind persistent. 2019-08-28 12:47:58 +10:00
modmachine.c ports: Make new ports/ sub-directory and move all ports there. 2017-09-06 13:40:51 +10:00
moduos.c ports: Make new ports/ sub-directory and move all ports there. 2017-09-06 13:40:51 +10:00
mpconfigport.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
mphalport.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
mps2.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
nrf51.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
qstrdefsport.h ports: Make new ports/ sub-directory and move all ports there. 2017-09-06 13:40:51 +10:00
startup.c qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
stm32.ld qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
test_main.c qemu-arm: Use gchelper code to get registers for GC scanning. 2019-02-12 14:48:29 +11:00
uart.c qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00
uart.h qemu-arm: Rework to run bare-metal on boards with Cortex-M CPUs. 2019-02-12 13:50:01 +11:00

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