STM32 persistent MVP, cross-compiled & binaries

ldscripts/jtag.ld

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+/*
+ * libmaple linker script for "JTAG" builds.
+ *
+ * A "JTAG" build puts .text (and .rodata) in Flash, and
+ * .data/.bss/heap (of course) in SRAM, but links starting at the
+ * Flash and SRAM starting addresses (0x08000000 and 0x20000000
+ * respectively). This will wipe out a Maple bootloader if there's one
+ * on the board, so only use this if you know what you're doing.
+ *
+ * Of course, a "JTAG" build is perfectly usable for upload over SWD,
+ * the system memory bootloader, etc. The name is just a historical
+ * artifact.
+ */
+
+/*
+ * This pulls in the appropriate MEMORY declaration from the right
+ * subdirectory of stm32/mem/ (the environment must call ld with the
+ * right include directory flags to make this happen). Boards can also
+ * use this file to use any of libmaple's memory-related hooks (like
+ * where the heap should live).
+ */
+INCLUDE mem-jtag.inc
+
+/* 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 ldscripts/common.inc