rename profile.dev to profile.dev-opt

Binary size is not critical for tools so we can only set optimizations for
debug build of `td-shim` and `td-payload`.

By renaming the `profile.dev`, we can use the `dev-opt` profile for required
packages and use the default `dev` profile for others.

Signed-off-by: Jiaqi Gao <[email protected]>

Author: gaojiaqi7

.cargo/config.toml

@@ -6,5 +6,5 @@ kbuild = "build --target x86_64-custom.json -Zbuild-std=core -Zbuild-std-feature
 kimage = "run --target x86_64-custom.json -Zbuild-std=core -Zbuild-std-features=compiler-builtins-mem -- --no-run"
 krun = "run --target x86_64-custom.json -Zbuild-std=core -Zbuild-std-features=compiler-builtins-mem"
 ktest = "xtest --target x86_64-custom.json"
-xtask = "run -p xtask --release --"
+xtask = "run -p xtask --"
 image = "xtask image"

Cargo.toml

@@ -21,8 +21,9 @@ members = [
     "xtask",
 ]
 
-# the profile used for `cargo build`
-[profile.dev]
+# the profile used for debug build of `td-shim` and `td-payload`
+[profile.dev-opt]
+inherits = "dev"
 panic = "abort" # disable stack unwinding on panic
 opt-level = "z"
 lto = true

README.md

@@ -138,6 +138,13 @@ cargo xbuild -p td-payload --target x86_64-unknown-none --release --bin example
 cargo run -p td-shim-tools --bin td-shim-ld -- target/x86_64-unknown-none/release/ResetVector.bin target/x86_64-unknown-none/release/td-shim -t executable -p target/x86_64-unknown-none/release/example -o target/release/final-elf.bin
 ```
 
+To build the debug TdShim, please use `dev-opt` profile to build `td-shim` binary. For example:
+
+```
+cargo xbuild -p td-shim --target x86_64-unknown-none --profile dev-opt --features=main,tdx
+cargo run -p td-shim-tools --bin td-shim-ld --features=linker -- target/x86_64-unknown-none/dev-opt/ResetVector.bin target/x86_64-unknown-none/dev-opt/td-shim -o target/debug/final.bin
+```
+
 ## Run
 REF: https://github.com/tianocore/edk2-staging/tree/TDVF
 

xtask/src/build.rs

@@ -18,6 +18,7 @@ lazy_static! {
         Path::new(env!("CARGO_MANIFEST_DIR")).parent().unwrap();
     static ref SHIM_OUTPUT: PathBuf = PROJECT_ROOT.join("target/x86_64-unknown-none/");
     static ref IMAGE_OUTPUT: PathBuf = PROJECT_ROOT.join("target/release/final.bin");
+    static ref IMAGE_OUTPUT_DEBUG: PathBuf = PROJECT_ROOT.join("target/debug/final.bin");
     static ref METADATA: PathBuf = PROJECT_ROOT.join("td-shim-tools/etc/metadata.json");
 }
 
@@ -227,15 +228,15 @@ impl BuildArgs {
         if self.release {
             "release"
         } else {
-            "dev"
+            "dev-opt"
         }
     }
 
     fn profile_path(&self) -> &str {
         if self.release {
             "release"
         } else {
-            "debug"
+            "dev-opt"
         }
     }
 
@@ -255,7 +256,11 @@ impl BuildArgs {
     }
 
     fn output(&self) -> Result<PathBuf> {
-        let path = self.output.as_ref().unwrap_or(&IMAGE_OUTPUT);
+        let path = self.output.as_ref().unwrap_or(if self.release {
+            &IMAGE_OUTPUT
+        } else {
+            &IMAGE_OUTPUT_DEBUG
+        });
 
         // Get the absolute path of the target file
         let absolute = if path.is_absolute() {