working zig on tiva tm4c

tiva/.gitignore

@@ -1 +1,2 @@
 .zig-cache/
+zig-out/

tiva/build.zig

@@ -17,11 +17,22 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
+    const cmsis_path = "/home/priec/programs/CMSIS";
+
+    // Generic CMSIS Core (for core_cm4.h)
+    tiva_module.addIncludePath(.{ .cwd_relative = cmsis_path ++ "/CMSIS/Include" });
+    // TM4C Device Specific (for TM4C123GH6PM.h)
+    tiva_module.addIncludePath(.{ .cwd_relative = cmsis_path ++ "/Device/TI/TM4C/Include" });
+
     const elf = b.addExecutable(.{
         .name = "tiva-app",
         .root_module = tiva_module,
     });
 
+    elf.root_module.strip = true; 
+    elf.root_module.omit_frame_pointer = true;
+    elf.root_module.unwind_tables = .none;
+
     // Disable red zone for bare metal
     elf.root_module.red_zone = false;
 

tiva/src/main.zig

@@ -0,0 +1,11 @@
+const cmsis = @cImport({
+    @cInclude("TM4C123GH6PM.h");
+});
+
+pub fn main() noreturn {
+    while (true) {}
+}
+
+pub fn panic(_: []const u8, _: ?*@import("std").builtin.StackTrace, _: ?usize) noreturn {
+    while (true) {}
+}