marlinfw/buildroot/share/PlatformIO/scripts/STM32F103RC_SKR_MINI.py

import os, marlin
Import("env")

STM32_FLASH_SIZE = 256
for define in env['CPPDEFINES']:
    if define[0] == "STM32_FLASH_SIZE":
        STM32_FLASH_SIZE = define[1]

# Relocate firmware from 0x08000000 to 0x08007000
marlin.relocate_firmware("0x08007000")

custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/STM32F103RC_SKR_MINI_" + str(STM32_FLASH_SIZE) + "K.ld")
for i, flag in enumerate(env["LINKFLAGS"]):
    if "-Wl,-T" in flag:
        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
    elif flag == "-T":
        env["LINKFLAGS"][i + 1] = custom_ld_script