Port dma_dyn test to rp235x

Author: jannic

on-target-tests/.cargo/config.toml

@@ -35,3 +35,26 @@ runner = "elf2uf2-rs -d"
 # This runner will find a supported SWD debug probe and flash your RP2040 over
 # SWD:
 # runner = "probe-rs run --chip RP2040"
+
+# This is the hard-float ABI for Arm mode.
+#
+# The FPU is enabled by default, and float function arguments use FPU
+# registers.
+[target.thumbv8m.main-none-eabihf]
+# Pass some extra options to rustc, some of which get passed on to the linker.
+#
+# * linker argument --nmagic turns off page alignment of sections (which saves
+#   flash space)
+# * linker argument -Tlink.x tells the linker to use link.x as a linker script.
+#   This is usually provided by the cortex-m-rt crate, and by default the
+#   version in that crate will include a file called `memory.x` which describes
+#   the particular memory layout for your specific chip.
+# * linker argument -Tdefmt.x also tells the linker to use `defmt.x` as a
+#   secondary linker script. This is required to make defmt_rtt work.
+rustflags = [
+    "-C", "link-arg=--nmagic",
+    "-C", "link-arg=-Tlink.x",
+    "-C", "link-arg=-Tdefmt.x",
+    "-C", "target-cpu=cortex-m33",
+]
+

on-target-tests/Cargo.toml

@@ -64,10 +64,12 @@ once_cell = { version = "1.19.0", default-features = false, features = ["critica
 panic-probe = {version = "0.3", features = ["print-defmt"]}
 rp2040-boot2 = { version = "0.3.0", optional = true }
 rp2040-hal = {path = "../rp2040-hal", features = ["critical-section-impl", "defmt", "rt", "i2c-write-iter"], optional = true}
+rp235x-hal = {path = "../rp235x-hal", features = ["critical-section-impl", "defmt", "rt", "i2c-write-iter"], optional = true}
 
 [features]
 
 rp2040 = ["dep:rp2040-boot2", "dep:rp2040-hal"]
+rp235x = ["dep:rp235x-hal"]
 
 [profile.dev]
 codegen-units = 1

on-target-tests/tests/dma_dyn.rs

@@ -8,6 +8,8 @@ use defmt_test as _;
 use panic_probe as _;
 #[cfg(feature = "rp2040")]
 use rp2040_hal as hal; // memory layout // panic handler
+#[cfg(feature = "rp235x")]
+use rp235x_hal as hal;
 
 /// The linker will place this boot block at the start of our program image. We
 /// need this to help the ROM bootloader get our code up and running.
@@ -18,6 +20,12 @@ use rp2040_hal as hal; // memory layout // panic handler
 #[used]
 pub static BOOT2: [u8; 256] = rp2040_boot2::BOOT_LOADER_GENERIC_03H;
 
+/// Tell the Boot ROM about our application
+#[cfg(feature = "rp235x")]
+#[link_section = ".start_block"]
+#[used]
+pub static IMAGE_DEF: hal::block::ImageDef = hal::block::ImageDef::secure_exe();
+
 /// External high-speed crystal on the Raspberry Pi Pico board is 12 MHz. Adjust
 /// if your board has a different frequency
 const XTAL_FREQ_HZ: u32 = 12_000_000u32;
@@ -55,6 +63,8 @@ mod tests {
     use panic_probe as _;
     #[cfg(feature = "rp2040")]
     use rp2040_hal as hal;
+    #[cfg(feature = "rp235x")]
+    use rp235x_hal as hal;
 
     use hal::{clocks::init_clocks_and_plls, pac, watchdog::Watchdog};
 
@@ -66,6 +76,7 @@ mod tests {
             hal::sio::spinlock_reset();
         }
         let mut pac = pac::Peripherals::take().unwrap();
+        #[cfg(feature = "rp2040")]
         let _core = pac::CorePeripherals::take().unwrap();
         let mut watchdog = Watchdog::new(pac.WATCHDOG);