micropython

Commit Graph

Author	SHA1	Message	Date
Damien George	a3c61004c2	py/binary: Do zero extension when storing a value larger than word size.	8 years ago
Paul Sokolovsky	9d787de2a1	py/objint: from_bytes, to_bytes: Require byteorder arg, require "little". CPython requires byteorder arg, make uPy compatible. As we support only "little", error out on anything else.	8 years ago
Damien George	93ee6603b1	py/asm: Fix x86 and ARM assemblers due to recent code refactoring.	8 years ago
Damien George	155fdc74d5	py/asm: Remove need for dummy_data when doing initial assembler passes. For all but the last pass the assembler only needs to count how much space is needed for the machine code, it doesn't actually need to emit anything. The dummy_data just uses unnecessary RAM and without it the code is not any more complex (and code size does not increase for Thumb and Xtensa archs).	8 years ago
Damien George	e920bab976	py/emitinline: Move common code for end of final pass to compiler. This patch moves some common code from the individual inline assemblers to the compiler, the code that calls the emit-glue to assign the machine code to the functions scope.	8 years ago
Damien George	dd53b12193	py/emitinline: Move inline-asm align and data methods to compiler. These are generic methods that don't depend on the architecture and so can be handled directly by the compiler.	8 years ago
Damien George	a7fd786a1f	py/emitinline: Embed entire asm struct instead of a pointer to it. This reduces fragmentation, and memory use by 1 word. But more importantly it means the emit_inline_asm_t struct now "derives" from mp_asm_base.	8 years ago
Damien George	f76b1bfa9f	py: Add inline Xtensa assembler. This patch adds the MICROPY_EMIT_INLINE_XTENSA option, which, when enabled, allows the @micropython.asm_xtensa decorator to be used. The following opcodes are currently supported (ax is a register, a0-a15): ret_n() callx0(ax) j(label) jx(ax) beqz(ax, label) bnez(ax, label) mov(ax, ay) movi(ax, imm) # imm can be full 32-bit, uses l32r if needed and_(ax, ay, az) or_(ax, ay, az) xor(ax, ay, az) add(ax, ay, az) sub(ax, ay, az) mull(ax, ay, az) l8ui(ax, ay, imm) l16ui(ax, ay, imm) l32i(ax, ay, imm) s8i(ax, ay, imm) s16i(ax, ay, imm) s32i(ax, ay, imm) l16si(ax, ay, imm) addi(ax, ay, imm) ball(ax, ay, label) bany(ax, ay, label) bbc(ax, ay, label) bbs(ax, ay, label) beq(ax, ay, label) bge(ax, ay, label) bgeu(ax, ay, label) blt(ax, ay, label) bnall(ax, ay, label) bne(ax, ay, label) bnone(ax, ay, label) Upon entry to the assembly function the registers a0, a12, a13, a14 are pushed to the stack and the stack pointer (a1) decreased by 16. Upon exit, these registers and the stack pointer are restored, and ret.n is executed to return to the caller (caller address is in a0). Note that the ABI for the Xtensa emitters is non-windowing.	8 years ago
Damien George	ad297a1950	py: Allow inline-assembler emitter to be generic. This patch refactors some code so that it is easier to integrate new inline assemblers for different architectures other than ARM Thumb.	8 years ago
Damien George	8e5aced1fd	py: Integrate Xtensa assembler into native emitter. The config option MICROPY_EMIT_XTENSA can now be enabled to target the Xtensa architecture with @micropython.native and @micropython.viper decorators.	8 years ago
Damien George	fcac4b07f1	py/asmxtensa: Add low-level Xtensa assembler.	8 years ago
Damien George	81316fa411	py/asmbase: Add MP_PLAT_COMMIT_EXEC option for handling exec code. If a port defines MP_PLAT_COMMIT_EXEC then this function is used to turn RAM data into executable code. For example a port may want to write the data to flash for execution. The function must return a pointer to the executable data.	8 years ago
Damien George	c8746e1e72	py: Move arch-specific assembler macros from emitnative to asmXXX.h.	8 years ago
Damien George	c2713592bc	py/emit.h: Remove long-obsolete declarations for cpython emitter.	8 years ago
Damien George	080a78b15e	py/compile: Simplify configuration of native emitter.	8 years ago
Damien George	304cfda8c4	py/stream: Move ad-hoc ioctl constants to stream.h and rename them. The constants MP_IOCTL_POLL_xxx, which were stmhal-specific, are moved from stmhal/pybioctl.h (now deleted) to py/stream.h. And they are renamed to MP_STREAM_POLL_xxx to be consistent with other such constants. All uses of these constants have been updated.	8 years ago
Damien George	63e82dcdfe	py/asmthumb: Fix build for F7 MCUs after recent code refactoring.	8 years ago
Damien George	612599587b	py: Factor out common code from assemblers into asmbase.[ch]. All assemblers should "derive" from mp_asm_base_t.	8 years ago
Damien George	e6cf5fb2cc	py/compile: Remove comment about TODO for short circuiting for if-stmt. Short circuiting is handled correctly by c_if_cond, and constants within short-circuit expressions are optimised by the parser.	8 years ago
Paul Sokolovsky	037e6912c6	py/objtype: Implement __call__ handling for an instance w/o heap alloc. By refactoring and reusing code from objboundmeth.	8 years ago
Paul Sokolovsky	8f5bc3ffc0	stmhal/moduselect: Move to extmod/ for reuse by other ports.	8 years ago
Damien George	5bdf1650de	py/lexer: Make lexer use an mp_reader as its source.	8 years ago
Damien George	66d955c218	py/lexer: Rewrite mp_lexer_new_from_fd in terms of mp_reader.	8 years ago
Damien George	e5ef15a9d7	py/lexer: Provide generic mp_lexer_new_from_file based on mp_reader. If a port defines MICROPY_READER_POSIX or MICROPY_READER_FATFS then lexer.c now provides an implementation of mp_lexer_new_from_file using the mp_reader_new_file function.	8 years ago
Damien George	511c083811	py/lexer: Rewrite mp_lexer_new_from_str_len in terms of mp_reader_mem.	8 years ago
Damien George	6b239c271c	py: Factor out persistent-code reader into separate files. Implementations of persistent-code reader are provided for POSIX systems and systems using FatFS. Macros to use these are MICROPY_READER_POSIX and MICROPY_READER_FATFS respectively. If an alternative implementation is needed then a port can define the function mp_reader_new_file.	8 years ago
Damien George	6810f2c134	py: Factor persistent code load/save funcs into persistentcode.[ch].	8 years ago
Damien George	9b525134d1	py/parse: Add code to fold logical constants in or/and/not operations. Adds about 200 bytes to the code size when constant folding is enabled.	8 years ago
Damien George	ed9c93f0f1	py/parse: Make mp_parse_node_new_leaf an inline function. It is split into 2 functions, one to make small ints and the other to make a non-small-int leaf node. This reduces code size by 32 bytes on bare-arm, 64 bytes on unix (x64-64) and 144 bytes on stmhal.	8 years ago
Damien George	b0cbfb0492	py/parse: Move function to check for const parse node to parse.[ch].	8 years ago
Damien George	659b06b250	py/*.mk: Replace uses of 'sed' with $(SED).	8 years ago
Dave Hylands	0400fa45ba	py/mkrules.mk: Rework find command so it works on OSX. The Mac version of find doesn't support -printf, so this changes things to use sed to strip off the leading path element instead.	8 years ago
Paul Sokolovsky	a0b2c6ad32	py/runtime: mp_resume: Fix exception handling for nanbox port.	8 years ago
Paul Sokolovsky	79d996a57b	py/runtime: mp_resume: Handle exceptions in Python __next__(). This includes StopIteration and thus are important to make Python-coded iterables work with yield from/await. Exceptions in Python send() are still not handled and left for future consideration and optimization.	8 years ago
Paul Sokolovsky	c3d96d387c	py/objexcept: Allow clearing traceback with 'exc.__traceback__ = None'. We allow 'exc.__traceback__ = None' assignment as a low-level optimization of pre-allocating exception instance and raising it repeatedly - this avoids memory allocation during raise. However, uPy will keep adding traceback entries to such exception instance, so before throwing it, traceback should be cleared like above. 'exc.__traceback__ = None' syntax is CPython compatible. However, unlike it, reading that attribute or setting it to any other value is not supported (and not intended to be supported, again, the only reason for adding this feature is to allow zero-memalloc exception raising).	8 years ago
Paul Sokolovsky	59a1201da9	all: Remove readall() method, which is equivalent to read() w/o args. Its addition was due to an early exploration on how to add CPython-like stream interface. It's clear that it's not needed and just takes up bytes in all ports.	8 years ago
Damien George	0f3388de1e	py/emitnative: Fix native import emitter when in viper mode.	8 years ago
Damien George	fcda6a2a78	py: Strip leading dirs from frozen mpy files, so any path can be used. With this patch one can now do "make FROZEN_MPY_DIR=../../frozen" to specify a directory containing scripts to be frozen (as well as absolute paths). The compiled .mpy files are now stored in $(BUILD)/frozen_mpy/.	8 years ago
Damien George	bdf33bc136	py: Move frozen bytecode Makefile rules from ports to common mk files. Now, to use frozen bytecode all a port needs to do is define FROZEN_MPY_DIR to the directory containing the .py files to freeze, and define MICROPY_MODULE_FROZEN_MPY and MICROPY_QSTR_EXTRA_POOL.	8 years ago
Damien George	561844f3ba	py: Add MICROPY_FLOAT_CONST macro for defining float constants. All float constants in the core should use this macro to prevent unnecessary creation of double-precision floats, which makes code less efficient.	8 years ago
Colin Hogben	828df54bfe	py: Change config default so m_malloc0 uses memset if GC not enabled. With MICROPY_ENABLE_GC set to false the alternate memory manager may not clear all memory that is allocated, so it must be cleared in m_malloc0.	8 years ago
Colin Hogben	f9b6b37cf6	py: Fix wrong assumption that m_renew will not move if shrinking In both parse.c and qstr.c, an internal chunking allocator tidies up by calling m_renew to shrink an allocated chunk to the size used, and assumes that the chunk will not move. However, when MICROPY_ENABLE_GC is false, m_renew calls the system realloc, which does not guarantee this behaviour. Environments where realloc may return a different pointer include: (1) mbed-os with MBED_HEAP_STATS_ENABLED (which adds a wrapper around malloc & friends; this is where I was hit by the bug); (2) valgrind on linux (how I diagnosed it). The fix is to call m_renew_maybe with allow_move=false.	8 years ago
Jan Pochyla	ffb04a5845	unix: fix symbol references for x86 Mac	9 years ago
Pavol Rusnak	7ffc959c00	py: remove asserts that are always true in emitbc.c	8 years ago
Pavol Rusnak	3679ee9b52	py: fix null pointer dereference in mpz.c, fix missing va_end in warning.c	8 years ago
Fabio Utzig	8908e505ce	py/sequence: Fix reverse slicing of lists.	8 years ago
Paul Sokolovsky	76146b3d9a	extmod/utime_mphal: Allow ticks functions period be configurable by a port. Using MICROPY_PY_UTIME_TICKS_PERIOD config var.	8 years ago
Paul Sokolovsky	8a49905a2f	py/stream: Typo fix in comment.	8 years ago
Paul Sokolovsky	f00ecdb54d	extmod/moduos_dupterm: Renamed to uos_dupterm. As part of file naming clean up (moduos_dupterm doesn't implement a full module, so should skip "mod" prefix, similar to other files in extmod/).	8 years ago
Damien George	5076e5c339	py: Add "delattr" builtin, conditional on MICROPY_CPYTHON_COMPAT.	8 years ago

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3011 Commits (08a196697c5dfb8cbe3b3e85c1c5f94e3a27804c)