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108 lines
3.9 KiB
108 lines
3.9 KiB
#ifndef __PPCDEBUG_H
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#define __PPCDEBUG_H
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/********************************************************************
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* Author: Adam Litke, IBM Corp
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* (c) 2001
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*
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* This file contains definitions and macros for a runtime debugging
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* system for ppc64 (This should also work on 32 bit with a few
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* adjustments.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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********************************************************************/
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#include <linux/config.h>
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#include <linux/types.h>
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#include <asm/udbg.h>
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#include <stdarg.h>
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#define PPCDBG_BITVAL(X) ((1UL)<<((unsigned long)(X)))
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/* Defined below are the bit positions of various debug flags in the
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* ppc64_debug_switch variable.
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* -- When adding new values, please enter them into trace names below --
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*
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* Values 62 & 63 can be used to stress the hardware page table management
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* code. They must be set statically, any attempt to change them dynamically
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* would be a very bad idea.
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*/
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#define PPCDBG_MMINIT PPCDBG_BITVAL(0)
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#define PPCDBG_MM PPCDBG_BITVAL(1)
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#define PPCDBG_SYS32 PPCDBG_BITVAL(2)
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#define PPCDBG_SYS32NI PPCDBG_BITVAL(3)
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#define PPCDBG_SYS32X PPCDBG_BITVAL(4)
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#define PPCDBG_SYS32M PPCDBG_BITVAL(5)
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#define PPCDBG_SYS64 PPCDBG_BITVAL(6)
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#define PPCDBG_SYS64NI PPCDBG_BITVAL(7)
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#define PPCDBG_SYS64X PPCDBG_BITVAL(8)
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#define PPCDBG_SIGNAL PPCDBG_BITVAL(9)
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#define PPCDBG_SIGNALXMON PPCDBG_BITVAL(10)
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#define PPCDBG_BINFMT32 PPCDBG_BITVAL(11)
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#define PPCDBG_BINFMT64 PPCDBG_BITVAL(12)
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#define PPCDBG_BINFMTXMON PPCDBG_BITVAL(13)
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#define PPCDBG_BINFMT_32ADDR PPCDBG_BITVAL(14)
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#define PPCDBG_ALIGNFIXUP PPCDBG_BITVAL(15)
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#define PPCDBG_TCEINIT PPCDBG_BITVAL(16)
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#define PPCDBG_TCE PPCDBG_BITVAL(17)
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#define PPCDBG_PHBINIT PPCDBG_BITVAL(18)
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#define PPCDBG_SMP PPCDBG_BITVAL(19)
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#define PPCDBG_BOOT PPCDBG_BITVAL(20)
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#define PPCDBG_BUSWALK PPCDBG_BITVAL(21)
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#define PPCDBG_PROM PPCDBG_BITVAL(22)
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#define PPCDBG_RTAS PPCDBG_BITVAL(23)
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#define PPCDBG_HTABSTRESS PPCDBG_BITVAL(62)
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#define PPCDBG_HTABSIZE PPCDBG_BITVAL(63)
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#define PPCDBG_NONE (0UL)
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#define PPCDBG_ALL (0xffffffffUL)
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/* The default initial value for the debug switch */
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#define PPC_DEBUG_DEFAULT 0
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/* #define PPC_DEBUG_DEFAULT PPCDBG_ALL */
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#define PPCDBG_NUM_FLAGS 64
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extern u64 ppc64_debug_switch;
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#ifdef WANT_PPCDBG_TAB
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/* A table of debug switch names to allow name lookup in xmon
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* (and whoever else wants it.
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*/
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char *trace_names[PPCDBG_NUM_FLAGS] = {
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/* Known debug names */
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"mminit", "mm",
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"syscall32", "syscall32_ni", "syscall32x", "syscall32m",
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"syscall64", "syscall64_ni", "syscall64x",
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"signal", "signal_xmon",
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"binfmt32", "binfmt64", "binfmt_xmon", "binfmt_32addr",
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"alignfixup", "tceinit", "tce", "phb_init",
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"smp", "boot", "buswalk", "prom",
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"rtas"
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};
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#else
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extern char *trace_names[64];
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#endif /* WANT_PPCDBG_TAB */
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#ifdef CONFIG_PPCDBG
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/* Macro to conditionally print debug based on debug_switch */
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#define PPCDBG(...) udbg_ppcdbg(__VA_ARGS__)
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/* Macro to conditionally call a debug routine based on debug_switch */
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#define PPCDBGCALL(FLAGS,FUNCTION) ifppcdebug(FLAGS) FUNCTION
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/* Macros to test for debug states */
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#define ifppcdebug(FLAGS) if (udbg_ifdebug(FLAGS))
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#define ppcdebugset(FLAGS) (udbg_ifdebug(FLAGS))
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#define PPCDBG_BINFMT (test_thread_flag(TIF_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64)
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#else
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#define PPCDBG(...) do {;} while (0)
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#define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0)
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#define ifppcdebug(...) if (0)
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#define ppcdebugset(FLAGS) (0)
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#endif /* CONFIG_PPCDBG */
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#endif /*__PPCDEBUG_H */
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