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#ifndef __PPCDEBUG_H

#define __PPCDEBUG_H

/********************************************************************

 * Author: Adam Litke, IBM Corp

 * (c) 2001

 *

 * This file contains definitions and macros for a runtime debugging

 * system for ppc64 (This should also work on 32 bit with a few

 * adjustments.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 *

 ********************************************************************/

#include <linux/config.h>

#include <asm/udbg.h>

#include <stdarg.h>

#define PPCDBG_BITVAL(X)     ((1UL)<<((unsigned long)(X)))

/* Defined below are the bit positions of various debug flags in the

 * debug_switch variable (defined in naca.h).

 * -- When adding new values, please enter them into trace names below --

 *

 * Values 62 & 63 can be used to stress the hardware page table management

 * code.  They must be set statically, any attempt to change them dynamically

 * would be a very bad idea.

 */

#define PPCDBG_MMINIT           PPCDBG_BITVAL(0)

#define PPCDBG_MM               PPCDBG_BITVAL(1)

#define PPCDBG_SYS32            PPCDBG_BITVAL(2)

#define PPCDBG_SYS32NI          PPCDBG_BITVAL(3)

#define PPCDBG_SYS32X           PPCDBG_BITVAL(4)

#define PPCDBG_SYS32M           PPCDBG_BITVAL(5)

#define PPCDBG_SYS64            PPCDBG_BITVAL(6)

#define PPCDBG_SYS64NI          PPCDBG_BITVAL(7)

#define PPCDBG_SYS64X           PPCDBG_BITVAL(8)

#define PPCDBG_SIGNAL           PPCDBG_BITVAL(9)

#define PPCDBG_SIGNAL64         PPCDBG_BITVAL(10)

#define PPCDBG_SIGNALXMON       PPCDBG_BITVAL(11)

#define PPCDBG_BINFMT32         PPCDBG_BITVAL(12)

#define PPCDBG_BINFMT64         PPCDBG_BITVAL(13)

#define PPCDBG_BINFMTXMON       PPCDBG_BITVAL(14)

#define PPCDBG_BINFMT_32ADDR    PPCDBG_BITVAL(15)

#define PPCDBG_ALIGNFIXUP       PPCDBG_BITVAL(16)

#define PPCDBG_TCEINIT          PPCDBG_BITVAL(17)

#define PPCDBG_TCE              PPCDBG_BITVAL(18)

#define PPCDBG_PHBINIT          PPCDBG_BITVAL(19)

#define PPCDBG_SMP              PPCDBG_BITVAL(20)

#define PPCDBG_BOOT             PPCDBG_BITVAL(21)

#define PPCDBG_BUSWALK          PPCDBG_BITVAL(22)

#define PPCDBG_PROM             PPCDBG_BITVAL(23)

#define PPCDBG_RTAS             PPCDBG_BITVAL(24)

#define PPCDBG_HTABSTRESS       PPCDBG_BITVAL(62)

#define PPCDBG_HTABSIZE         PPCDBG_BITVAL(63)

#define PPCDBG_NONE             (0UL)

#define PPCDBG_ALL              (0xffffffffUL)

#define PPCDBG_NUM_FLAGS     64

/* The default initial value for the debug switch */

#if 0

# define PPC_DEBUG_DEFAULT      PPCDBG_ALL

#else

# define PPC_DEBUG_DEFAULT      PPCDBG_NONE 

#endif

#ifdef WANT_PPCDBG_TAB

/* A table of debug switch names to allow name lookup in xmon

 * (and whoever else wants it.

 */

char *trace_names[PPCDBG_NUM_FLAGS] = {

        /* Known debug names */

        "mminit",       "mm",

        "syscall32",    "syscall32_ni", "syscall32x",   "syscall32m",

        "syscall64",    "syscall64_ni", "syscall64x",

        "signal",       "signal64",     "signal_xmon",

        "binfmt32",     "binfmt64",     "binfmt_xmon",  "binfmt_32addr",

        "alignfixup",   "tceinit",      "tce",          "phb_init",

        "smp",          "boot",         "buswalk",      "prom",

        "rtas"

};

#else

extern char *trace_names[64];

#endif /* WANT_PPCDBG_TAB */

#ifdef CONFIG_PPCDBG

/* Macro to conditionally print debug based on debug_switch */

#define PPCDBG(...) udbg_ppcdbg(__VA_ARGS__)

/* Macro to conditionally call a debug routine based on debug_switch */

#define PPCDBGCALL(FLAGS,FUNCTION) ifppcdebug(FLAGS) FUNCTION

/* Macros to test for debug states */

#define ifppcdebug(FLAGS) if (udbg_ifdebug(FLAGS))

#define ppcdebugset(FLAGS) (udbg_ifdebug(FLAGS))

#define PPCDBG_BINFMT ((current->thread.flags & PPC_FLAG_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64)

#ifdef CONFIG_XMON

#define PPCDBG_ENTER_DEBUGGER() xmon(0)

#define PPCDBG_ENTER_DEBUGGER_REGS(X) xmon(X)

#endif

#else

#define PPCDBG(...) do {;} while (0)

#define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0)

#define ifppcdebug(...) if (0)

#define ppcdebugset(FLAGS) (0)

#endif /* CONFIG_PPCDBG */

#ifndef PPCDBG_ENTER_DEBUGGER

#define PPCDBG_ENTER_DEBUGGER() do {;} while(0)

#endif

#ifndef PPCDBG_ENTER_DEBUGGER_REGS

#define PPCDBG_ENTER_DEBUGGER_REGS(A) do {;} while(0)

#endif

#endif /*__PPCDEBUG_H */