CoreIF for F2/F4 is not different, use CPUID to distinguish. F4 errata seems to give...
[fw/stlink] / example / blink_flash /
drwxr-xr-x   ..
-rw-r--r-- 1172 Makefile
-rw-r--r-- 2057 discover_board.h
-rw-r--r-- 4593 main.c
-rw-r--r-- 10559 startup_stm32l1xx_md.s
-rw-r--r-- 4899 stm32_flash.ld
-rw-r--r-- 13314 system_stm32l1xx.c