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-rw-r--r--scripts/generate_rust_target.rs15
1 files changed, 13 insertions, 2 deletions
diff --git a/scripts/generate_rust_target.rs b/scripts/generate_rust_target.rs
index 38b3416bb979..7687b0dd5474 100644
--- a/scripts/generate_rust_target.rs
+++ b/scripts/generate_rust_target.rs
@@ -196,7 +196,9 @@ fn main() {
}
} else if cfg.has("X86_64") {
ts.push("arch", "x86_64");
- if cfg.rustc_version_atleast(1, 86, 0) {
+ if cfg.rustc_version_atleast(1, 98, 0) {
+ ts.push("rustc-abi", "softfloat");
+ } else if cfg.rustc_version_atleast(1, 86, 0) {
ts.push("rustc-abi", "x86-softfloat");
}
ts.push(
@@ -222,6 +224,11 @@ fn main() {
features += ",+harden-sls-ijmp";
features += ",+harden-sls-ret";
}
+ if cfg.has("X86_NATIVE_CPU") {
+ // Prevent the backend from generating APX instructions. The kernel is not yet prepared
+ // for general in-kernel EGPR use.
+ features += ",-apxf";
+ }
ts.push("features", features);
ts.push("llvm-target", "x86_64-linux-gnu");
ts.push("supported-sanitizers", ["kcfi", "kernel-address"]);
@@ -236,7 +243,9 @@ fn main() {
panic!("32-bit x86 only works under UML");
}
ts.push("arch", "x86");
- if cfg.rustc_version_atleast(1, 86, 0) {
+ if cfg.rustc_version_atleast(1, 98, 0) {
+ ts.push("rustc-abi", "softfloat");
+ } else if cfg.rustc_version_atleast(1, 86, 0) {
ts.push("rustc-abi", "x86-softfloat");
}
ts.push(
@@ -256,6 +265,8 @@ fn main() {
}
} else if cfg.has("LOONGARCH") {
panic!("loongarch uses the builtin rustc loongarch64-unknown-none-softfloat target");
+ } else if cfg.has("S390") {
+ panic!("s390 uses the builtin rustc s390x-unknown-none-softfloat target");
} else {
panic!("Unsupported architecture");
}