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-rw-r--r--arch/csky/abiv2/inc/abi/regdef.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/csky/abiv2/inc/abi/regdef.h b/arch/csky/abiv2/inc/abi/regdef.h
new file mode 100644
index 000000000000..c72abb781bdc
--- /dev/null
+++ b/arch/csky/abiv2/inc/abi/regdef.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef __ASM_CSKY_REGDEF_H
+#define __ASM_CSKY_REGDEF_H
+
+#define syscallid r7
+#define r11_sig r11
+
+#define regs_syscallid(regs) regs->regs[3]
+
+/*
+ * PSR format:
+ * | 31 | 30-24 | 23-16 | 15 14 | 13-10 | 9 | 8-0 |
+ * S VEC TM MM
+ *
+ * S: Super Mode
+ * VEC: Exception Number
+ * TM: Trace Mode
+ * MM: Memory unaligned addr access
+ */
+#define DEFAULT_PSR_VALUE 0x80000200
+
+#define SYSTRACE_SAVENUM 5
+
+#endif /* __ASM_CSKY_REGDEF_H */