djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Discard pystack_size

Browse Source
This commit is contained in:
Bill Sideris 2023-02-15 22:43:57 +02:00
parent c3b9567641
commit 818d1d4cb1
No known key found for this signature in database
GPG Key ID: 1BEF1BCEBA58EA33
1 changed files with 12 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
main.c
View File

@ -133,24 +133,25 @@ static void reset_devices(void) {
}
#if MICROPY_ENABLE_PYSTACK
STATIC mp_int_t fetch_pystack_size(void) {
STATIC supervisor_allocation __attribute__ ((noinline)) * alloc_pystack(void) {
mp_int_t pystack_size = CIRCUITPY_PYSTACK_SIZE;
#if CIRCUITPY_OS_GETENV
// Fetch value if exists from settings.toml
// Leaves size to build default on any failure
(void)common_hal_os_getenv_int("CIRCUITPY_PYSTACK_SIZE", &pystack_size);
// Check if value is valid
if ((CIRCUITPY_PYSTACK_SIZE != pystack_size) && ((pystack_size < 1) || (pystack_size % sizeof(size_t) != 0))) {
if ((CIRCUITPY_PYSTACK_SIZE != pystack_size) && ((pystack_size < 384) || (pystack_size % sizeof(size_t) != 0))) {
pystack_size = CIRCUITPY_PYSTACK_SIZE; // Reset
// TODO: Find a way to inform the user about it.
// Perhaps safemode? Or is it too much?
}
#endif
return pystack_size;
supervisor_allocation *pystack = allocate_memory(pystack_size, false, false);
return pystack;
}
#endif
STATIC void start_mp(supervisor_allocation *heap, supervisor_allocation *pystack, mp_int_t pystack_size) {
STATIC void start_mp(supervisor_allocation *heap, supervisor_allocation *pystack) {
supervisor_workflow_reset();
// Stack limit should be less than real stack size, so we have a chance
@ -178,7 +179,7 @@ STATIC void start_mp(supervisor_allocation *heap, supervisor_allocation *pystack
readline_init0();
#if MICROPY_ENABLE_PYSTACK
mp_pystack_init(pystack->ptr, pystack->ptr + (pystack_size / sizeof(size_t)));
mp_pystack_init(pystack->ptr, pystack->ptr + (get_allocation_length(pystack) / sizeof(size_t)));
#endif
#if MICROPY_ENABLE_GC
@ -419,11 +420,10 @@ STATIC bool run_code_py(safe_mode_t safe_mode, bool *simulate_reset) {
#endif
#if MICROPY_ENABLE_PYSTACK
mp_int_t pystack_size = fetch_pystack_size();
supervisor_allocation *pystack = allocate_memory(pystack_size, false, false);
supervisor_allocation *pystack = alloc_pystack();
#endif
supervisor_allocation *heap = allocate_remaining_memory();
start_mp(heap, pystack, pystack_size);
start_mp(heap, pystack);
#if CIRCUITPY_USB
usb_setup_with_vm();
@ -768,11 +768,10 @@ STATIC void __attribute__ ((noinline)) run_boot_py(safe_mode_t safe_mode) {
// Do USB setup even if boot.py is not run.
#if MICROPY_ENABLE_PYSTACK
mp_int_t pystack_size = fetch_pystack_size();
supervisor_allocation *pystack = allocate_memory(pystack_size, false, false);
supervisor_allocation *pystack = alloc_pystack();
#endif
supervisor_allocation *heap = allocate_remaining_memory();
start_mp(heap, pystack, pystack_size);
start_mp(heap, pystack);
#if CIRCUITPY_USB
// Set up default USB values after boot.py VM starts but before running boot.py.
@ -874,11 +873,10 @@ STATIC int run_repl(void) {
stack_resize();
filesystem_flush();
#if MICROPY_ENABLE_PYSTACK
mp_int_t pystack_size = fetch_pystack_size();
supervisor_allocation *pystack = allocate_memory(pystack_size, false, false);
supervisor_allocation *pystack = alloc_pystack();
#endif
supervisor_allocation *heap = allocate_remaining_memory();
start_mp(heap, pystack, pystack_size);
start_mp(heap, pystack);
#if CIRCUITPY_USB
usb_setup_with_vm();