diff --git a/cmake/nuttx_add_rust.cmake b/cmake/nuttx_add_rust.cmake
index c8546f0fad4..2c28983f0ff 100644
--- a/cmake/nuttx_add_rust.cmake
+++ b/cmake/nuttx_add_rust.cmake
@@ -35,7 +35,8 @@ include(nuttx_parse_function_args)
 #   - riscv64: riscv64imac/imafdc-unknown-nuttx-elf
 #   - x86: i686-unknown-nuttx
 #   - x86_64: x86_64-unknown-nuttx
-#   - aarch64: aarch64-apple-darwin
+#   - aarch64: aarch64-unknown-nuttx-macho for sim on macOS,
+#              aarch64-unknown-nuttx otherwise
 #
 # Inputs:
 #   ARCHTYPE - Architecture type (e.g. thumbv7m, riscv32)
@@ -55,8 +56,11 @@ function(nuttx_rust_target_triple ARCHTYPE ABITYPE CPUTYPE OUTPUT)
   elseif(ARCHTYPE STREQUAL "x86")
     set(TARGET_TRIPLE "${APPDIR}/tools/i486-unknown-nuttx.json")
   elseif(ARCHTYPE STREQUAL "aarch64")
-    if(APPLE)
-      set(TARGET_TRIPLE "aarch64-apple-darwin")
+    if(CONFIG_ARCH_SIM AND CONFIG_HOST_MACOS)
+      set(TARGET_TRIPLE
+          "${PROJECT_SOURCE_DIR}/tools/aarch64-unknown-nuttx-macho.json")
+    else()
+      set(TARGET_TRIPLE "${APPDIR}/tools/aarch64-unknown-nuttx.json")
     endif()
   elseif(ARCHTYPE MATCHES "thumb")
     if(ARCHTYPE MATCHES "thumbv8m")
diff --git a/tools/Rust.mk b/tools/Rust.mk
index 3a5f728064b..4fc74af4e12 100644
--- a/tools/Rust.mk
+++ b/tools/Rust.mk
@@ -37,6 +37,8 @@
 #   - thumbv8m.base: thumbv8m.base-nuttx-eabi, thumbv8m.base-nuttx-eabihf
 #   - riscv32: riscv32imc/imac/imafc-unknown-nuttx-elf
 #   - riscv64: riscv64imac/imafdc-unknown-nuttx-elf
+#   - aarch64: aarch64-unknown-nuttx-macho for sim on macOS,
+#              aarch64-unknown-nuttx otherwise
 #
 # Usage:   $(call RUST_TARGET_TRIPLE)
 #
@@ -53,7 +55,10 @@ $(or \
     $(APPDIR)/tools/i486-unknown-nuttx.json \
   ), \
   $(and $(filter aarch64,$(LLVM_ARCHTYPE)), \
-    $(if $(filter y,$(CONFIG_HOST_MACOS)),aarch64-apple-darwin) \
+    $(if $(and $(filter sim,$(CONFIG_ARCH)),$(filter y,$(CONFIG_HOST_MACOS))), \
+      $(TOPDIR)/tools/aarch64-unknown-nuttx-macho.json, \
+      $(APPDIR)/tools/aarch64-unknown-nuttx.json \
+    ) \
   ), \
   $(and $(filter thumb%,$(LLVM_ARCHTYPE)), \
     $(if $(filter thumbv8m%,$(LLVM_ARCHTYPE)), \
diff --git a/tools/aarch64-unknown-nuttx.json b/tools/aarch64-unknown-nuttx.json
new file mode 100644
index 00000000000..04a333616fb
--- /dev/null
+++ b/tools/aarch64-unknown-nuttx.json
@@ -0,0 +1,42 @@
+{
+  "arch": "aarch64",
+  "crt-objects-fallback": "false",
+  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32",
+  "default-uwtable": true,
+  "disable-redzone": true,
+  "features": "+v8a,+strict-align,+neon",
+  "linker": "rust-lld",
+  "linker-flavor": "gnu-lld",
+  "llvm-target": "aarch64-unknown-nuttx",
+  "max-atomic-width": 128,
+  "metadata": {
+    "description": "aarch64 target for NuttX RTOS",
+    "host_tools": false,
+    "std": true,
+    "tier": 3
+  },
+  "os": "nuttx",
+  "panic-strategy": "abort",
+  "pre-link-args": {
+    "gnu": [
+      "--fix-cortex-a53-843419"
+    ],
+    "gnu-lld": [
+      "--fix-cortex-a53-843419"
+    ]
+  },
+  "relocation-model": "static",
+  "stack-probes": {
+    "kind": "inline"
+  },
+  "supported-sanitizers": [
+    "kcfi",
+    "kernel-address",
+    "kernel-hwaddress"
+  ],
+  "supports-xray": true,
+  "target-family": [
+    "unix"
+  ],
+  "target-pointer-width": 64
+}