diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index 2aa3e0a70c..3ec14336c8 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -50,6 +50,8 @@ pub const Os = struct {
         windows,
         uefi,
 
+        @"3ds",
+
         ps3,
         ps4,
         ps5,
@@ -194,6 +196,8 @@ pub const Os = struct {
 
                 .uefi,
 
+                .@"3ds",
+
                 .wasi,
 
                 .amdhsa,
@@ -603,7 +607,12 @@ pub const Os = struct {
                         .max = .{ .major = 2, .minor = 11, .patch = 0 },
                     },
                 },
-
+                .@"3ds" => .{
+                    .semver = .{
+                        .min = .{ .major = 2, .minor = 27, .patch = 0 }, // 1.0.0-0
+                        .max = .{ .major = 2, .minor = 58, .patch = 0 }, // 11.17.0-50
+                    },
+                },
                 .wasi => .{
                     .semver = .{
                         .min = .{ .major = 0, .minor = 1, .patch = 0 },
@@ -861,6 +870,7 @@ pub const Abi = enum {
             .tvos, .visionos, .watchos => if (arch == .x86_64) .simulator else .none,
             .windows => .gnu,
             .uefi => .msvc,
+            .@"3ds" => .eabihf,
             .wasi, .emscripten => .musl,
 
             .contiki,
@@ -1828,7 +1838,10 @@ pub const Cpu = struct {
         pub fn baseline(arch: Arch, os: Os) *const Model {
             return switch (arch) {
                 .amdgcn => &amdgcn.cpu.gfx906,
-                .arm, .armeb, .thumb, .thumbeb => &arm.cpu.baseline,
+                .arm, .armeb, .thumb, .thumbeb => switch (os.tag) {
+                    .@"3ds" => &arm.cpu.mpcore,
+                    else => &arm.cpu.baseline,
+                },
                 .aarch64 => switch (os.tag) {
                     .driverkit, .macos => &aarch64.cpu.apple_m1,
                     .ios, .tvos => &aarch64.cpu.apple_a7,
@@ -2055,6 +2068,7 @@ pub fn requiresLibC(target: *const Target) bool {
         .vulkan,
         .plan9,
         .other,
+        .@"3ds",
         => false,
     };
 }
@@ -2153,6 +2167,8 @@ pub const DynamicLinker = struct {
             .uefi,
             .windows,
 
+            .@"3ds",
+
             .emscripten,
             .wasi,
 
@@ -2537,6 +2553,8 @@ pub const DynamicLinker = struct {
             .uefi,
             .windows,
 
+            .@"3ds",
+
             .emscripten,
             .wasi,
 
@@ -3044,6 +3062,13 @@ pub fn cTypeBitSize(target: *const Target, c_type: CType) u16 {
             .longdouble => return 128,
         },
 
+        .@"3ds" => switch (c_type) {
+            .char => return 8,
+            .short, .ushort => return 16,
+            .int, .uint, .float, .long, .ulong => return 32,
+            .longlong, .ulonglong, .double, .longdouble => return 64,
+        },
+
         .ps4, .ps5 => switch (c_type) {
             .char => return 8,
             .short, .ushort => return 16,
diff --git a/src/Compilation.zig b/src/Compilation.zig
index f0c4dbf473..db15eee954 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -6924,6 +6924,11 @@ pub fn addCCArgs(
                 },
             }
 
+            switch (target.os.tag) {
+                .@"3ds" => try argv.append("-D__3DS__"),
+                else => {},
+            }
+
             if (comp.config.link_libc) {
                 if (target.isGnuLibC()) {
                     const target_version = target.os.versionRange().gnuLibCVersion().?;
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 5c683a965a..9d58dbd869 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -228,6 +228,7 @@ pub fn targetTriple(allocator: Allocator, target: *const std.Target) ![]const u8
         .serenity => "serenity",
         .vulkan => "vulkan",
 
+        .@"3ds",
         .opengl,
         .plan9,
         .contiki,
diff --git a/test/llvm_targets.zig b/test/llvm_targets.zig
index 3cb867f763..fe64aa7bda 100644
--- a/test/llvm_targets.zig
+++ b/test/llvm_targets.zig
@@ -48,6 +48,7 @@ const targets = [_]std.Target.Query{
     .{ .cpu_arch = .arc, .os_tag = .linux, .abi = .gnu },
     .{ .cpu_arch = .arc, .os_tag = .linux, .abi = .none },
 
+    .{ .cpu_arch = .arm, .os_tag = .@"3ds", .abi = .eabihf },
     .{ .cpu_arch = .arm, .os_tag = .freebsd, .abi = .eabihf },
     .{ .cpu_arch = .arm, .os_tag = .freestanding, .abi = .eabi },
     .{ .cpu_arch = .arm, .os_tag = .freestanding, .abi = .eabihf },
@@ -250,6 +251,7 @@ const targets = [_]std.Target.Query{
     .{ .cpu_arch = .sparc64, .os_tag = .rtems, .abi = .none },
     .{ .cpu_arch = .sparc64, .os_tag = .solaris, .abi = .none },
 
+    .{ .cpu_arch = .thumb, .os_tag = .@"3ds", .abi = .eabihf },
     .{ .cpu_arch = .thumb, .os_tag = .freestanding, .abi = .eabi },
     .{ .cpu_arch = .thumb, .os_tag = .freestanding, .abi = .eabihf },
     .{ .cpu_arch = .thumb, .os_tag = .linux, .abi = .eabi },