MN10300: Use KGDB
diff --git a/arch/mn10300/include/asm/kgdb.h b/arch/mn10300/include/asm/kgdb.h
new file mode 100644
index 0000000..eb245f1
--- /dev/null
+++ b/arch/mn10300/include/asm/kgdb.h
@@ -0,0 +1,81 @@
+/* Kernel debugger for MN10300
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_KGDB_H
+#define _ASM_KGDB_H
+
+/*
+ * BUFMAX defines the maximum number of characters in inbound/outbound
+ * buffers at least NUMREGBYTES*2 are needed for register packets
+ * Longer buffer is needed to list all threads
+ */
+#define BUFMAX 1024
+
+/*
+ * Note that this register image is in a different order than the register
+ * image that Linux produces at interrupt time.
+ */
+enum regnames {
+ GDB_FR_D0 = 0,
+ GDB_FR_D1 = 1,
+ GDB_FR_D2 = 2,
+ GDB_FR_D3 = 3,
+ GDB_FR_A0 = 4,
+ GDB_FR_A1 = 5,
+ GDB_FR_A2 = 6,
+ GDB_FR_A3 = 7,
+
+ GDB_FR_SP = 8,
+ GDB_FR_PC = 9,
+ GDB_FR_MDR = 10,
+ GDB_FR_EPSW = 11,
+ GDB_FR_LIR = 12,
+ GDB_FR_LAR = 13,
+ GDB_FR_MDRQ = 14,
+
+ GDB_FR_E0 = 15,
+ GDB_FR_E1 = 16,
+ GDB_FR_E2 = 17,
+ GDB_FR_E3 = 18,
+ GDB_FR_E4 = 19,
+ GDB_FR_E5 = 20,
+ GDB_FR_E6 = 21,
+ GDB_FR_E7 = 22,
+
+ GDB_FR_SSP = 23,
+ GDB_FR_MSP = 24,
+ GDB_FR_USP = 25,
+ GDB_FR_MCRH = 26,
+ GDB_FR_MCRL = 27,
+ GDB_FR_MCVF = 28,
+
+ GDB_FR_FPCR = 29,
+ GDB_FR_DUMMY0 = 30,
+ GDB_FR_DUMMY1 = 31,
+
+ GDB_FR_FS0 = 32,
+
+ GDB_FR_SIZE = 64,
+};
+
+#define GDB_ORIG_D0 41
+#define NUMREGBYTES (GDB_FR_SIZE*4)
+
+static inline void arch_kgdb_breakpoint(void)
+{
+ asm(".globl __arch_kgdb_breakpoint; __arch_kgdb_breakpoint: break");
+}
+extern u8 __arch_kgdb_breakpoint;
+
+#define BREAK_INSTR_SIZE 1
+#define CACHE_FLUSH_IS_SAFE 1
+
+#endif /* _ASM_KGDB_H */
diff --git a/arch/mn10300/include/asm/smp.h b/arch/mn10300/include/asm/smp.h
index e3d13a8..6745dbe 100644
--- a/arch/mn10300/include/asm/smp.h
+++ b/arch/mn10300/include/asm/smp.h
@@ -62,8 +62,9 @@
* An alternate way of dealing with this could be to use the EPSW.S bits to
* cache this information for systems with up to four CPUs.
*/
+#define arch_smp_processor_id() (CPUID)
#if 0
-#define raw_smp_processor_id() (CPUID)
+#define raw_smp_processor_id() (arch_smp_processor_id())
#else
#define raw_smp_processor_id() (current_thread_info()->cpu)
#endif