Creality Ender 3 v2 (#17719)

buildroot/share/PlatformIO/ldscripts/creality.ld

@@ -0,0 +1,14 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K - 40
+  rom (rx)  : ORIGIN = 0x08007000, LENGTH = 512K - 28K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE common.inc

buildroot/share/PlatformIO/scripts/creality.py

@@ -0,0 +1,16 @@
+import os
+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x08007000
+for define in env['CPPDEFINES']:
+    if define[0] == "VECT_TAB_ADDR":
+        env['CPPDEFINES'].remove(define)
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08007000"))
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/creality.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
+

buildroot/share/tests/STM32F103RET6_creality-tests

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+#
+# Build tests for STM32F103RET6_creality
+#
+
+# exit on first failure
+set -e
+
+#
+# Build with configs included in the PR
+#
+use_example_configs "Creality/Ender-3 V2"
+exec_test $1 $2 "Ender 3 v2"
+
+restore_configs