wtf

aarch64-unknown-none.json

@@ -1,33 +1,23 @@
 {
-  "arch": "aarch64",
+	"arch": "aarch64",
-  "crt-objects-fallback": "false",
+	"crt-objects-fallback": "false",
-  "data-layout": "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128",
+	"data-layout": "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128",
-  "disable-redzone": true,
+	"disable-redzone": true,
-  "features": "+v8a,+strict-align,+neon,+fp-armv8",
+	"features": "+v8a,+strict-align,-neon,+fp-armv8",
-  "linker": "rust-lld",
+	"linker": "rust-lld",
-  "linker-flavor": "gnu-lld",
+	"linker-flavor": "gnu-lld",
-  "llvm-target": "aarch64-unknown-none",
+	"llvm-target": "aarch64-unknown-none",
-  "max-atomic-width": 128,
+	"max-atomic-width": 128,
-  "panic-strategy": "abort",
+	"panic-strategy": "abort",
-  "pre-link-args": {
+	"pre-link-args": {
-    "gnu": [
+		"gnu": ["--fix-cortex-a53-843419"],
-      "--fix-cortex-a53-843419"
+		"gnu-lld": ["--fix-cortex-a53-843419", "-Taarch64-qemu.ld"],
-    ],
+		"ld.lld": ["-Taarch64-qemu.ld"]
-    "gnu-lld": [
+	},
-      "--fix-cortex-a53-843419",
+	"relocation-model": "static",
-      "-Taarch64-qemu.ld"
+	"stack-probes": {
-    ],
+		"kind": "inline"
-    "ld.lld": [
+	},
-      "-Taarch64-qemu.ld"
+	"supported-sanitizers": ["kcfi", "kernel-address"],
-    ]
+	"target-pointer-width": "64"
-  },
-  "relocation-model": "static",
-  "stack-probes": {
-    "kind": "inline"
-  },
-  "supported-sanitizers": [
-    "kcfi",
-    "kernel-address"
-  ],
-  "target-pointer-width": "64"
 }

run.sh

@@ -1,11 +1,14 @@
 set -euo pipefail
 cargo xbuild --target=aarch64-unknown-none.json
 
+DEBUG=
+# DEBUG="-s -S -d exec"
+
 printf "Running with qemu...\n"
 set -x
 exec qemu-system-aarch64 \
   -machine virt \
-  -s -S \
+  $DEBUG \
   -m 1024M \
   -cpu cortex-a53 \
   -nographic \