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py/persistentcode: Bump .mpy version due to change in bytecode.

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This commit is contained in:
Damien George
2017-02-17 00:19:34 +11:00
parent c264414746
commit 6a11048af1
2 changed files with 11 additions and 7 deletions
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13
py/persistentcode.c
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@@ -38,6 +38,9 @@
#include "py/smallint.h"
// The current version of .mpy files
#define MPY_VERSION (1)
// The feature flags byte encodes the compile-time config options that
// affect the generate bytecode.
#define MPY_FEATURE_FLAGS ( \
@@ -209,10 +212,10 @@ STATIC mp_raw_code_t *load_raw_code(mp_reader_t *reader) {
mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader) {
byte header[4];
read_bytes(reader, header, sizeof(header));
if (strncmp((char*)header, "M\x00", 2) != 0) {
mp_raise_ValueError("invalid .mpy file");
}
if (header[2] != MPY_FEATURE_FLAGS || header[3] > mp_small_int_bits()) {
if (header[0] != 'M'
|| header[1] != MPY_VERSION
|| header[2] != MPY_FEATURE_FLAGS
|| header[3] > mp_small_int_bits()) {
mp_raise_ValueError("incompatible .mpy file");
}
mp_raw_code_t *rc = load_raw_code(reader);
@@ -359,7 +362,7 @@ void mp_raw_code_save(mp_raw_code_t *rc, mp_print_t *print) {
// byte version
// byte feature flags
// byte number of bits in a small int
byte header[4] = {'M', 0, MPY_FEATURE_FLAGS_DYNAMIC,
byte header[4] = {'M', MPY_VERSION, MPY_FEATURE_FLAGS_DYNAMIC,
#if MICROPY_DYNAMIC_COMPILER
mp_dynamic_compiler.small_int_bits,
#else