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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 <linux/types.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
* ppc64_debug_switch variable.
* -- 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_SIGNALXMON PPCDBG_BITVAL(10)
#define PPCDBG_BINFMT32 PPCDBG_BITVAL(11)
#define PPCDBG_BINFMT64 PPCDBG_BITVAL(12)
#define PPCDBG_BINFMTXMON PPCDBG_BITVAL(13)
#define PPCDBG_BINFMT_32ADDR PPCDBG_BITVAL(14)
#define PPCDBG_ALIGNFIXUP PPCDBG_BITVAL(15)
#define PPCDBG_TCEINIT PPCDBG_BITVAL(16)
#define PPCDBG_TCE PPCDBG_BITVAL(17)
#define PPCDBG_PHBINIT PPCDBG_BITVAL(18)
#define PPCDBG_SMP PPCDBG_BITVAL(19)
#define PPCDBG_BOOT PPCDBG_BITVAL(20)
#define PPCDBG_BUSWALK PPCDBG_BITVAL(21)
#define PPCDBG_PROM PPCDBG_BITVAL(22)
#define PPCDBG_RTAS PPCDBG_BITVAL(23)
#define PPCDBG_HTABSTRESS PPCDBG_BITVAL(62)
#define PPCDBG_HTABSIZE PPCDBG_BITVAL(63)
#define PPCDBG_NONE (0UL)
#define PPCDBG_ALL (0xffffffffUL)
/* The default initial value for the debug switch */
#define PPC_DEBUG_DEFAULT 0
/* #define PPC_DEBUG_DEFAULT PPCDBG_ALL */
#define PPCDBG_NUM_FLAGS 64
extern u64 ppc64_debug_switch;
#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", "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 (test_thread_flag(TIF_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64)
#else
#define PPCDBG(...) do {;} while (0)
#define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0)
#define ifppcdebug(...) if (0)
#define ppcdebugset(FLAGS) (0)
#endif /* CONFIG_PPCDBG */
#endif /*__PPCDEBUG_H */
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