diff --git a/cmake/modules/rust.cmake b/cmake/modules/rust.cmake
index 560763b21cb4d..1f22d62e97744 100644
--- a/cmake/modules/rust.cmake
+++ b/cmake/modules/rust.cmake
@@ -44,6 +44,10 @@ function(_rust_map_target)
     else()
       message(FATAL_ERROR "Rust: Unsupported riscv ISA")
     endif()
+  elseif(CONFIG_ARCH_POSIX AND CONFIG_64BIT AND (${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "x86_64"))
+    set(RUST_TARGET "x86_64-unknown-none" PARENT_SCOPE)
+  elseif(CONFIG_ARCH_POSIX AND CONFIG_64BIT AND (${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "aarch64"))
+    set(RUST_TARGET "aarch64-unknown-none" PARENT_SCOPE)
   else()
     message(FATAL_ERROR "Rust: Add support for other target")
   endif()
diff --git a/lib/rust/Kconfig b/lib/rust/Kconfig
index 0d99cb4034381..5f38d68fced68 100644
--- a/lib/rust/Kconfig
+++ b/lib/rust/Kconfig
@@ -8,7 +8,8 @@ menu "Rust Language Support"
 config RUST_SUPPORTED
 	bool
 	default y if (CPU_CORTEX_M || \
-		(RISCV && !RISCV_ISA_RV32E && !RISCV_ISA_RV128I))
+		(RISCV && !RISCV_ISA_RV32E && !RISCV_ISA_RV128I) || \
+		(ARCH_POSIX && 64BIT))
 	help
 	  Selected for platforms that have support for Rust.