diff --git a/include/tcg/helper-info.h b/include/tcg/helper-info.h
new file mode 100644
index 0000000000..f65f81c2e7
--- /dev/null
+++ b/include/tcg/helper-info.h
@@ -0,0 +1,59 @@
+/*
+ * TCG Helper Infomation Structure
+ *
+ * Copyright (c) 2023 Linaro Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef TCG_HELPER_INFO_H
+#define TCG_HELPER_INFO_H
+
+#ifdef CONFIG_TCG_INTERPRETER
+#include <ffi.h>
+#endif
+
+/*
+ * Describe the calling convention of a given argument type.
+ */
+typedef enum {
+    TCG_CALL_RET_NORMAL,         /* by registers */
+    TCG_CALL_RET_BY_REF,         /* for i128, by reference */
+    TCG_CALL_RET_BY_VEC,         /* for i128, by vector register */
+} TCGCallReturnKind;
+
+typedef enum {
+    TCG_CALL_ARG_NORMAL,         /* by registers (continuing onto stack) */
+    TCG_CALL_ARG_EVEN,           /* like normal, but skipping odd slots */
+    TCG_CALL_ARG_EXTEND,         /* for i32, as a sign/zero-extended i64 */
+    TCG_CALL_ARG_EXTEND_U,       /*      ... as a zero-extended i64 */
+    TCG_CALL_ARG_EXTEND_S,       /*      ... as a sign-extended i64 */
+    TCG_CALL_ARG_BY_REF,         /* for i128, by reference, first */
+    TCG_CALL_ARG_BY_REF_N,       /*       ... by reference, subsequent */
+} TCGCallArgumentKind;
+
+typedef struct TCGCallArgumentLoc {
+    TCGCallArgumentKind kind    : 8;
+    unsigned arg_slot           : 8;
+    unsigned ref_slot           : 8;
+    unsigned arg_idx            : 4;
+    unsigned tmp_subindex       : 2;
+} TCGCallArgumentLoc;
+
+typedef struct TCGHelperInfo {
+    void *func;
+    const char *name;
+#ifdef CONFIG_TCG_INTERPRETER
+    ffi_cif *cif;
+#endif
+    unsigned typemask           : 32;
+    unsigned flags              : 8;
+    unsigned nr_in              : 8;
+    unsigned nr_out             : 8;
+    TCGCallReturnKind out_kind  : 8;
+
+    /* Maximum physical arguments are constrained by TCG_TYPE_I128. */
+    TCGCallArgumentLoc in[MAX_CALL_IARGS * (128 / TCG_TARGET_REG_BITS)];
+} TCGHelperInfo;
+
+#endif /* TCG_HELPER_INFO_H */
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h
index 67b698bd5c..fbe62b31b8 100644
--- a/tcg/tcg-internal.h
+++ b/tcg/tcg-internal.h
@@ -25,55 +25,10 @@
 #ifndef TCG_INTERNAL_H
 #define TCG_INTERNAL_H
 
-#ifdef CONFIG_TCG_INTERPRETER
-#include <ffi.h>
-#endif
+#include "tcg/helper-info.h"
 
 #define TCG_HIGHWATER 1024
 
-/*
- * Describe the calling convention of a given argument type.
- */
-typedef enum {
-    TCG_CALL_RET_NORMAL,         /* by registers */
-    TCG_CALL_RET_BY_REF,         /* for i128, by reference */
-    TCG_CALL_RET_BY_VEC,         /* for i128, by vector register */
-} TCGCallReturnKind;
-
-typedef enum {
-    TCG_CALL_ARG_NORMAL,         /* by registers (continuing onto stack) */
-    TCG_CALL_ARG_EVEN,           /* like normal, but skipping odd slots */
-    TCG_CALL_ARG_EXTEND,         /* for i32, as a sign/zero-extended i64 */
-    TCG_CALL_ARG_EXTEND_U,       /*      ... as a zero-extended i64 */
-    TCG_CALL_ARG_EXTEND_S,       /*      ... as a sign-extended i64 */
-    TCG_CALL_ARG_BY_REF,         /* for i128, by reference, first */
-    TCG_CALL_ARG_BY_REF_N,       /*       ... by reference, subsequent */
-} TCGCallArgumentKind;
-
-typedef struct TCGCallArgumentLoc {
-    TCGCallArgumentKind kind    : 8;
-    unsigned arg_slot           : 8;
-    unsigned ref_slot           : 8;
-    unsigned arg_idx            : 4;
-    unsigned tmp_subindex       : 2;
-} TCGCallArgumentLoc;
-
-typedef struct TCGHelperInfo {
-    void *func;
-    const char *name;
-#ifdef CONFIG_TCG_INTERPRETER
-    ffi_cif *cif;
-#endif
-    unsigned typemask           : 32;
-    unsigned flags              : 8;
-    unsigned nr_in              : 8;
-    unsigned nr_out             : 8;
-    TCGCallReturnKind out_kind  : 8;
-
-    /* Maximum physical arguments are constrained by TCG_TYPE_I128. */
-    TCGCallArgumentLoc in[MAX_CALL_IARGS * (128 / TCG_TARGET_REG_BITS)];
-} TCGHelperInfo;
-
 extern TCGContext tcg_init_ctx;
 extern TCGContext **tcg_ctxs;
 extern unsigned int tcg_cur_ctxs;
