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micropython/qemu-arm
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Damien George 7d4a2f773c all: Make use of $(TOP) variable in Makefiles, instead of "..". 
$(TOP) is defined in py/mkenv.mk and should be used to refer to the top
level of this repository.
 		2017-08-11 12:22:19 +10:00
..
Makefile all: Make use of $(TOP) variable in Makefiles, instead of "..". 2017-08-11 12:22:19 +10:00
README.md various: Spelling fixes 2017-05-29 11:36:05 +03:00
main.c qemu-arm: Move lexer constructors to within NLR handler block. 2017-03-14 11:52:05 +11:00
modmachine.c qemu-arm: Enable machine module and associated tests. 2017-03-02 16:39:58 +11:00
moduos.c ports: Add ilistdir in uos module. 2017-05-10 12:13:53 +10:00
mpconfigport.h all: Use the name MicroPython consistently in comments 2017-07-31 18:35:40 +10:00
mphalport.h qemu-arm: Enable lots of extmods and enable tests for them. 2016-10-14 00:08:19 +11:00
qstrdefsport.h qemu-arm: more generic port name. 2014-04-21 21:04:04 +01:00
test_main.c qemu-arm: Move lexer constructors to within NLR handler block. 2017-03-14 11:52:05 +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.