diff options
Diffstat (limited to 'tools/mpy-tool.py')
| -rwxr-xr-x | tools/mpy-tool.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/mpy-tool.py b/tools/mpy-tool.py index 648d56fe0..7938ea5dc 100755 --- a/tools/mpy-tool.py +++ b/tools/mpy-tool.py @@ -471,6 +471,14 @@ class RawCodeNative(RawCode): else: self.fun_data_attributes = '__attribute__((section(".text,\\"ax\\",%progbits @ ")))' + # Allow single-byte alignment by default for x86/x64/xtensa, but on ARM we need halfword- or word- alignment. + if config.native_arch == MP_NATIVE_ARCH_ARMV6: + # ARMV6 -- four byte align. + self.fun_data_attributes += ' __attribute__ ((aligned (4)))' + elif MP_NATIVE_ARCH_ARMV6M <= config.native_arch <= MP_NATIVE_ARCH_ARMV7EMDP: + # ARMVxxM -- two byte align. + self.fun_data_attributes += ' __attribute__ ((aligned (2)))' + def _asm_thumb_rewrite_mov(self, pc, val): print(' (%u & 0xf0) | (%s >> 12),' % (self.bytecode[pc], val), end='') print(' (%u & 0xfb) | (%s >> 9 & 0x04),' % (self.bytecode[pc + 1], val), end='') |