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-rw-r--r--arch/mips/include/asm/kgdb.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/include/asm/kgdb.h b/arch/mips/include/asm/kgdb.h
new file mode 100644
index 000000000..4f2302267
--- /dev/null
+++ b/arch/mips/include/asm/kgdb.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_KGDB_H_
+#define __ASM_KGDB_H_
+
+#ifdef __KERNEL__
+
+#include <asm/sgidefs.h>
+
+#if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \
+ (_MIPS_ISA == _MIPS_ISA_MIPS32)
+
+#define KGDB_GDB_REG_SIZE 32
+#define GDB_SIZEOF_REG sizeof(u32)
+
+#elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \
+ (_MIPS_ISA == _MIPS_ISA_MIPS64)
+
+#ifdef CONFIG_32BIT
+#define KGDB_GDB_REG_SIZE 32
+#define GDB_SIZEOF_REG sizeof(u32)
+#else /* CONFIG_CPU_32BIT */
+#define KGDB_GDB_REG_SIZE 64
+#define GDB_SIZEOF_REG sizeof(u64)
+#endif
+#else
+#error "Need to set KGDB_GDB_REG_SIZE for MIPS ISA"
+#endif /* _MIPS_ISA */
+
+#define BUFMAX 2048
+#define DBG_MAX_REG_NUM 72
+#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
+#define NUMCRITREGBYTES (12 * sizeof(GDB_SIZEOF_REG))
+#define BREAK_INSTR_SIZE 4
+#define CACHE_FLUSH_IS_SAFE 0
+
+extern void arch_kgdb_breakpoint(void);
+extern void *saved_vectors[32];
+extern void handle_exception(struct pt_regs *regs);
+extern void breakinst(void);
+extern int kgdb_ll_trap(int cmd, const char *str,
+ struct pt_regs *regs, long err, int trap, int sig);
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_KGDB_H_ */