diff options
Diffstat (limited to 'include/asm-ppc64/ppcdebug.h')
| -rw-r--r-- | include/asm-ppc64/ppcdebug.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/asm-ppc64/ppcdebug.h b/include/asm-ppc64/ppcdebug.h new file mode 100644 index 000000000000..fd7f696065c4 --- /dev/null +++ b/include/asm-ppc64/ppcdebug.h @@ -0,0 +1,108 @@ +#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 */ |