build.zig and memory.x as ld file for tivatm4c123g

tiva/build.zig

@@ -0,0 +1,35 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.resolveTargetQuery(.{
+        .cpu_arch = .thumb,
+        .os_tag = .freestanding,
+        .abi = .eabi,
+        .cpu_model = .{ .explicit = &std.Target.arm.cpu.cortex_m4 },
+    });
+
+    const optimize = b.standardOptimizeOption(.{});
+
+    // Create the module separately
+    const tiva_module = b.createModule(.{
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const elf = b.addExecutable(.{
+        .name = "tiva-app",
+        .root_module = tiva_module,
+    });
+
+    // Disable red zone for bare metal
+    elf.root_module.red_zone = false;
+
+    // Provide basic built-in functions
+    elf.bundle_compiler_rt = true;
+
+    // Use your custom linker script
+    elf.setLinkerScript(b.path("layout.ld"));
+
+    b.installArtifact(elf);
+}