With -O2 or -Os (size optimization), the compiler will:
: Most UF2 files are for ARM-based chips. You'll need to know if it's an M0, M4, or something else to set up your disassembler correctly. uf2 decompiler
UF2 files consist of 512-byte blocks. Each block contains a header with magic numbers, the target flash address, the data payload size, and the total number of blocks. With -O2 or -Os (size optimization), the compiler
void _start(void) // Cleared BSS // Copied data from flash to RAM // Called main() With -O2 or -Os (size optimization)