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Unify VM cleanup code 

Before we were skipping reset of the standard busses after boot and
repl which could lead to a crash in a subsequent VM run.

Fixes #1806
This commit is contained in:
Scott Shawcroft 2019-04-17 14:52:00 -07:00
parent 49c4c1e2ac
commit 92ba5c26b0
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GPG Key ID: FD0EDC4B6C53CA59
1 changed files with 19 additions and 26 deletions
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45
main.c
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@ -176,6 +176,22 @@ bool maybe_run_list(const char ** filenames, pyexec_result_t* exec_result) {
return true;
}
void cleanup_after_vm(supervisor_allocation* heap) {
// Turn off the display and flush the fileystem before the heap disappears.
#if CIRCUITPY_DISPLAYIO
reset_displays();
#endif
filesystem_flush();
stop_mp();
free_memory(heap);
supervisor_move_memory();
reset_port();
reset_board_busses();
reset_board();
reset_status_led();
}
bool run_code_py(safe_mode_t safe_mode) {
bool serial_connected_at_start = serial_connected();
#ifdef CIRCUITPY_AUTORELOAD_DELAY_MS
@ -219,19 +235,7 @@ bool run_code_py(safe_mode_t safe_mode) {
serial_write_compressed(translate("WARNING: Your code filename has two extensions\n"));
}
}
// Turn off the display and flush the fileystem before the heap disappears.
#if CIRCUITPY_DISPLAYIO
reset_displays();
#endif
filesystem_flush();
stop_mp();
free_memory(heap);
supervisor_move_memory();
reset_port();
reset_board_busses();
reset_board();
reset_status_led();
cleanup_after_vm(heap);
if (result.return_code & PYEXEC_FORCED_EXIT) {
return reload_requested;
@ -359,13 +363,7 @@ void __attribute__ ((noinline)) run_boot_py(safe_mode_t safe_mode) {
boot_output_file = NULL;
#endif
// Reset to remove any state that boot.py setup. It should only be used to
// change internal state that's not in the heap.
reset_port();
reset_board();
stop_mp();
free_memory(heap);
supervisor_move_memory();
cleanup_after_vm(heap);
}
}
@ -382,12 +380,7 @@ int run_repl(void) {
} else {
exit_code = pyexec_friendly_repl();
}
filesystem_flush();
reset_port();
reset_board();
stop_mp();
free_memory(heap);
supervisor_move_memory();
cleanup_after_vm(heap);
autoreload_resume();
return exit_code;
}