1 files changed, 29 insertions, 0 deletions
diff --git a/target/loongarch/csr.h b/target/loongarch/csr.h
new file mode 100644
index 0000000..81a656b
--- /dev/null
+++ b/target/loongarch/csr.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2025 Loongson Technology Corporation Limited
+ */
+
+#ifndef TARGET_LOONGARCH_CSR_H
+#define TARGET_LOONGARCH_CSR_H
+
+#include "cpu-csr.h"
+
+typedef void (*GenCSRFunc)(void);
+enum {
+    CSRFL_READONLY = (1 << 0),
+    CSRFL_EXITTB   = (1 << 1),
+    CSRFL_IO       = (1 << 2),
+    CSRFL_UNUSED   = (1 << 3),
+};
+
+typedef struct {
+    const char *name;
+    int offset;
+    int flags;
+    GenCSRFunc readfn;
+    GenCSRFunc writefn;
+} CSRInfo;
+
+CSRInfo *get_csr(unsigned int csr_num);
+bool set_csr_flag(unsigned int csr_num, int flag);
+#endif /* TARGET_LOONGARCH_CSR_H */