diff options
Diffstat (limited to 'stm32-metapac-gen')
-rw-r--r-- | stm32-metapac-gen/src/assets/build.rs | 8 | ||||
-rw-r--r-- | stm32-metapac-gen/src/lib.rs | 40 |
2 files changed, 46 insertions, 2 deletions
diff --git a/stm32-metapac-gen/src/assets/build.rs b/stm32-metapac-gen/src/assets/build.rs index c16bd640..13050315 100644 --- a/stm32-metapac-gen/src/assets/build.rs +++ b/stm32-metapac-gen/src/assets/build.rs @@ -9,6 +9,14 @@ fn main() { .unwrap() .to_ascii_lowercase(); + // Put `memory.x` in our output directory and ensure it's + // on the linker search path. + let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap()); + //File::create(out.join("memory.x")) + //.unwrap() + //.write_all(include_bytes!("memory.x")) + //.unwrap(); + #[cfg(feature = "rt")] println!("cargo:rustc-link-search=src/chips/{}", _chip_name); diff --git a/stm32-metapac-gen/src/lib.rs b/stm32-metapac-gen/src/lib.rs index f508b365..93b81116 100644 --- a/stm32-metapac-gen/src/lib.rs +++ b/stm32-metapac-gen/src/lib.rs @@ -19,12 +19,24 @@ pub struct Chip { pub family: String, pub line: String, pub cores: Vec<Core>, - pub flash: u32, - pub ram: u32, + pub flash: Memory, + pub ram: Memory, pub packages: Vec<Package>, } #[derive(Debug, Eq, PartialEq, Clone, Deserialize)] +pub struct Memory { + pub bytes: u32, + pub regions: HashMap<String, MemoryRegion>, +} + +#[derive(Debug, Eq, PartialEq, Clone, Deserialize)] +pub struct MemoryRegion { + pub base: u32, + pub bytes: Option<u32>, +} + +#[derive(Debug, Eq, PartialEq, Clone, Deserialize)] pub struct Core { pub name: String, pub peripherals: HashMap<String, Peripheral>, @@ -636,6 +648,9 @@ pub fn gen(options: Options) { .unwrap() .write_all(device_x.as_bytes()) .unwrap(); + + // generate default memory.x + gen_memory_x(&chip_dir, &chip); } for (module, version) in all_peripheral_versions { @@ -674,6 +689,7 @@ pub fn gen(options: Options) { let re = Regex::new("# *! *\\[.*\\]").unwrap(); let data = re.replace_all(&data, ""); file.write_all(data.as_bytes()).unwrap(); + } // Generate src/lib_inner.rs @@ -734,6 +750,7 @@ pub fn gen(options: Options) { // Generate build.rs fs::write(out_dir.join("build.rs"), include_bytes!("assets/build.rs")).unwrap(); + } fn bytes_find(haystack: &[u8], needle: &[u8]) -> Option<usize> { @@ -741,3 +758,22 @@ fn bytes_find(haystack: &[u8], needle: &[u8]) -> Option<usize> { .windows(needle.len()) .position(|window| window == needle) } + +fn gen_memory_x(out_dir: &PathBuf, chip: &Chip) { + let mut memory_x = String::new(); + + let flash_bytes = chip.flash.regions.get("BANK_1").unwrap().bytes.unwrap(); + let flash_origin = chip.flash.regions.get("BANK_1").unwrap().base; + + let ram_bytes = chip.ram.regions.get("SRAM").unwrap().bytes.unwrap(); + let ram_origin = chip.ram.regions.get("SRAM").unwrap().base; + + write!(memory_x, "MEMORY\n{{\n").unwrap(); + write!(memory_x, " FLASH : ORIGIN = 0x{:x}, LENGTH = {}\n", flash_origin, flash_bytes).unwrap(); + write!(memory_x, " RAM : ORIGIN = 0x{:x}, LENGTH = {}\n", ram_origin, ram_bytes).unwrap(); + write!(memory_x, "}}").unwrap(); + + let mut file = File::create(out_dir.join("memory.x")).unwrap(); + file.write_all( memory_x.as_bytes() ).unwrap(); + +} |