something is problematic

.cargo/config.toml

@@ -0,0 +1,37 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# uncomment ONE of these three option to make `cargo run` start a GDB session
+# which option to pick depends on your system
+# runner = "arm-none-eabi-gdb -q -x jlink.gdb"
+# runner = "gdb-multiarch -q -x jlink.gdb"
+# runner = "gdb -q -x openocd.gdb"
+runner = "gdb-multiarch -q -x jlink.gdb"
+
+rustflags = [
+  # This is needed if your flash or ram addresses are not aligned to 0x10000 in memory.x
+  # See https://github.com/rust-embedded/cortex-m-quickstart/pull/95
+  "-C", "link-arg=--nmagic",
+
+  # LLD (shipped with the Rust toolchain) is used as the default linker
+  "-C", "link-arg=-Tlink.x",
+
+  # if you run into problems with LLD switch to the GNU linker by commenting out
+  # this line
+  # "-C", "linker=arm-none-eabi-ld",
+
+  # if you need to link to pre-compiled C libraries provided by a C toolchain
+  # use GCC as the linker by commenting out both lines above and then
+  # uncommenting the three lines below
+  # "-C", "linker=arm-none-eabi-gcc",
+  # "-C", "link-arg=-Wl,-Tlink.x",
+  # "-C", "link-arg=-nostartfiles",
+]
+
+[build]
+# Pick ONE of these compilation targets
+# target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"        # Cortex-M3
+# target = "thumbv7em-none-eabi"       # Cortex-M4 and Cortex-M7 (no FPU)
+target = "thumbv7em-none-eabihf"     # Cortex-M4F and Cortex-M7F (with FPU)
+# target = "thumbv8m.base-none-eabi"   # Cortex-M23
+# target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
+# target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)

.vscode/launch.json

@@ -14,7 +14,7 @@
             "device": "VA41620",
             "svdFile": "./va108xx-rs/svd/va416xx-base.svd",
             "preLaunchTask": "rust: cargo build led blinky",
-            "executable": "${workspaceFolder}/target/thumbv6m-none-eabi/debug/examples/blinky-leds",
+            "executable": "${workspaceFolder}/target/thumbv7em-none-eabihf/debug/examples/blinky",
             "interface": "swd",
             "runToMain": true,
         },

jlink.gdb

@@ -0,0 +1,10 @@
+target remote localhost:2331
+
+monitor reset
+
+# *try* to stop at the user entry point (it might be gone due to inlining)
+break main
+
+load
+
+continue

memory.x

@@ -0,0 +1,14 @@
+MEMORY
+{
+	FLASH : ORIGIN = 0x00000000, LENGTH = 0x40000 /* 256K */
+	/* RAM is a mandatory region. This RAM refers to the SRAM_0 */
+	RAM : ORIGIN = 0x1FFF8000, LENGTH = 0x08000 /* 32K */
+	SRAM_1 : ORIGIN = 0x20000000, LENGTH = 0x08000 /* 32K */
+}
+
+/* This is where the call stack will be allocated. */
+/* The stack is of the full descending type. */
+/* NOTE Do NOT modify `_stack_start` unless you know what you are doing */
+/* SRAM_0 can be used for all busses: Instruction, Data and System */
+/* SRAM_1 only supports the system bus */
+_stack_start = ORIGIN(RAM) + LENGTH(RAM);

va416xx-hal

@@ -1 +1 @@
-Subproject commit 7aa367e9eaaa774f86ef55539b245484e6c7c4fc
+Subproject commit d59bd2b41d0c38de187f1e59e410cb0e60953a1f