diff options
Diffstat (limited to 'stmhal/modmachine.c')
| -rw-r--r-- | stmhal/modmachine.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/stmhal/modmachine.c b/stmhal/modmachine.c index a4166fdf2c..7f72359be6 100644 --- a/stmhal/modmachine.c +++ b/stmhal/modmachine.c @@ -419,42 +419,6 @@ STATIC mp_obj_t machine_reset_cause(void) { STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause); #endif -// To use compile-time constants we are restricted to 31-bit numbers (a small int, -// so it fits in a Micro Python object pointer). Thus, when extracting a constant -// from an object, we must clear the MSB. - -uintptr_t mod_machine_mem_get_read_addr(mp_obj_t addr_o, uint align) { - uint32_t addr = mp_obj_get_int_truncated(addr_o); - if (MP_OBJ_IS_SMALL_INT(addr_o)) { - addr &= 0x7fffffff; - } - /* - if (addr < 0x10000000) { - nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "cannot read from address %08x", addr)); - } - */ - if ((addr & (align - 1)) != 0) { - nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "address %08x is not aligned to %d bytes", addr, align)); - } - return addr; -} - -uintptr_t mod_machine_mem_get_write_addr(mp_obj_t addr_o, uint align) { - uint32_t addr = mp_obj_get_int_truncated(addr_o); - if (MP_OBJ_IS_SMALL_INT(addr_o)) { - addr &= 0x7fffffff; - } - if (addr < 0x10000000) { - // Everything below 0x10000000 is either ROM or aliased to something higher, so we don't - // lose anything by restricting writes to this area, and we gain some safety. - nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "cannot write to address %08x", addr)); - } - if ((addr & (align - 1)) != 0) { - nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "address %08x is not aligned to %d bytes", addr, align)); - } - return addr; -} - STATIC const mp_map_elem_t machine_module_globals_table[] = { { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_umachine) }, { MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&machine_info_obj }, |