diff --git a/configure b/configure
index 583efbc..1bd90c5 100755
--- a/configure
+++ b/configure
@@ -67,9 +67,14 @@ case `uname -m` in
 	machine="riscv"
 	CFLAGS="$CFLAGS -DMLX_RISCV64"
 	;;
+'sw_64')
+	machine="sw_64"
+	CFLAGS="$CFLAGS -DMLX_SW_64"
+	LDFLAGS="$LDFLAGS -llzma"
+	;;
 *)
 	echo "Error: unsupported machine: `uname -m`."
-	echo "Only x86, x86_64, arm, loongarch, riscv and aarch64 are supported."
+	echo "Only x86, x86_64, arm, loongarch, riscv, sw_64 and aarch64 are supported."
 	exit 2
 	;;
 esac
diff --git a/machines.h b/machines.h
index c92da46..97eb696 100644
--- a/machines.h
+++ b/machines.h
@@ -206,6 +206,35 @@ static inline int is_breakpoint(pid_t pid, uintptr_t address)
 {
 	return ptrace_get_data(pid, address) ==  0x00100073;
 }
+#elif defined(MLX_SW_64)
+static inline uintptr_t call_return_address(pid_t pid, registers_info_t *regs)
+{
+        return regs->regs[30];
+}
+static inline uintptr_t call_return_value(registers_info_t *regs)
+{
+        return regs->regs[0];
+}
+static inline uintptr_t call_arg1(pid_t pid, registers_info_t *regs)
+{
+        return regs->regs[0];
+}
+static inline uintptr_t call_arg2(pid_t pid, registers_info_t *regs)
+{
+        return regs->regs[1];
+}
+static inline uintptr_t pc_unwind(pid_t pid, registers_info_t *regs)
+{
+        return regs->pc;
+}
+static inline void set_breakpoint(pid_t pid, uintptr_t address, uintptr_t code)
+{
+        ptrace_set_data(pid, address, 0x00000080);
+}
+static inline int is_breakpoint(pid_t pid, uintptr_t address)
+{
+        return ptrace_get_data(pid, address) == 0x00000080;
+}
 #endif
 
 #endif
diff --git a/ptrace_utils.h b/ptrace_utils.h
index a9ef0f4..9a10327 100644
--- a/ptrace_utils.h
+++ b/ptrace_utils.h
@@ -17,8 +17,65 @@
 #include <elf.h>
 #include <sys/uio.h>
 #include <asm/ptrace.h>
+
+#ifdef MLX_SW_64
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+	union {
+		struct user_pt_regs user_regs;
+		struct {
+			unsigned long r0;
+			unsigned long r1;
+			unsigned long r2;
+			unsigned long r3;
+			unsigned long r4;
+			unsigned long r5;
+			unsigned long r6;
+			unsigned long r7;
+			unsigned long r8;
+			unsigned long r9;
+			unsigned long r10;
+			unsigned long r11;
+			unsigned long r12;
+			unsigned long r13;
+			unsigned long r14;
+			unsigned long r15;
+			unsigned long r16;
+			unsigned long r17;
+			unsigned long r18;
+			unsigned long r19;
+			unsigned long r20;
+			unsigned long r21;
+			unsigned long r22;
+			unsigned long r23;
+			unsigned long r24;
+			unsigned long r25;
+			unsigned long r26;
+			unsigned long r27;
+			unsigned long r28;
+			unsigned long gp;
+			unsigned long sp;
+			unsigned long pc;
+			unsigned long ps;
+		};
+	};
+	/* These are saved by HMcode: */
+	unsigned long hm_ps;
+	unsigned long hm_pc;
+	unsigned long hm_gp;
+	unsigned long hm_r16;
+	unsigned long hm_r17;
+	unsigned long hm_r18;
+};
+
+#endif
+#endif
+
   #ifdef MLX_ARMv7
 typedef struct user_regs registers_info_t;
+  #elif (defined MLX_SW_64)
+typedef struct user_pt_regs registers_info_t;
   #else
 typedef struct user_regs_struct registers_info_t;
   #endif