1 files changed, 69 insertions, 0 deletions
diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h
new file mode 100644
index 000000000000..24e42078f36f
--- /dev/null
+++ b/arch/sh/include/asm/kgdb.h
@@ -0,0 +1,69 @@
+/*
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * Based on original code by Glenn Engel, Jim Kingdon,
+ * David Grothe <dave@gcom.com>, Tigran Aivazian, <tigran@sco.com> and
+ * Amit S. Kale <akale@veritas.com>
+ * 
+ * Super-H port based on sh-stub.c (Ben Lee and Steve Chamberlain) by
+ * Henry Bell <henry.bell@st.com>
+ * 
+ * Header file for low-level support for remote debug using GDB. 
+ *
+ */
+
+#ifndef __KGDB_H
+#define __KGDB_H
+
+#include <asm/ptrace.h>
+
+/* Same as pt_regs but has vbr in place of syscall_nr */
+struct kgdb_regs {
+        unsigned long regs[16];
+        unsigned long pc;
+        unsigned long pr;
+        unsigned long sr;
+        unsigned long gbr;
+        unsigned long mach;
+        unsigned long macl;
+        unsigned long vbr;
+};
+
+/* State info */
+extern char kgdb_in_gdb_mode;
+extern int kgdb_nofault;	/* Ignore bus errors (in gdb mem access) */
+extern char in_nmi;		/* Debounce flag to prevent NMI reentry*/
+
+/* SCI */
+extern int kgdb_portnum;
+extern int kgdb_baud;
+extern char kgdb_parity;
+extern char kgdb_bits;
+
+/* Init and interface stuff */
+extern int kgdb_init(void);
+extern int (*kgdb_getchar)(void);
+extern void (*kgdb_putchar)(int);
+
+/* Trap functions */
+typedef void (kgdb_debug_hook_t)(struct pt_regs *regs);
+typedef void (kgdb_bus_error_hook_t)(void);
+extern kgdb_debug_hook_t  *kgdb_debug_hook;
+extern kgdb_bus_error_hook_t *kgdb_bus_err_hook;
+
+/* Console */
+struct console;
+void kgdb_console_write(struct console *co, const char *s, unsigned count);
+extern int kgdb_console_setup(struct console *, char *);
+
+/* Prototypes for jmp fns */
+#define _JBLEN 9
+typedef        int jmp_buf[_JBLEN];
+extern void    longjmp(jmp_buf __jmpb, int __retval);
+extern int     setjmp(jmp_buf __jmpb);
+
+/* Forced breakpoint */
+#define breakpoint()	__asm__ __volatile__("trapa   #0x3c")
+
+#endif