| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __PPCDEBUG_H |
| 2 | #define __PPCDEBUG_H |
| 3 | /******************************************************************** |
| 4 | * Author: Adam Litke, IBM Corp |
| 5 | * (c) 2001 |
| 6 | * |
| 7 | * This file contains definitions and macros for a runtime debugging |
| 8 | * system for ppc64 (This should also work on 32 bit with a few |
| 9 | * adjustments. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License |
| 13 | * as published by the Free Software Foundation; either version |
| 14 | * 2 of the License, or (at your option) any later version. |
| 15 | * |
| 16 | ********************************************************************/ |
| 17 | |
| 18 | #include <linux/config.h> |
| 19 | #include <linux/types.h> |
| 20 | #include <asm/udbg.h> |
| 21 | #include <stdarg.h> |
| 22 | |
| 23 | #define PPCDBG_BITVAL(X) ((1UL)<<((unsigned long)(X))) |
| 24 | |
| 25 | /* Defined below are the bit positions of various debug flags in the |
| 26 | * ppc64_debug_switch variable. |
| 27 | * -- When adding new values, please enter them into trace names below -- |
| 28 | * |
| 29 | * Values 62 & 63 can be used to stress the hardware page table management |
| 30 | * code. They must be set statically, any attempt to change them dynamically |
| 31 | * would be a very bad idea. |
| 32 | */ |
| 33 | #define PPCDBG_MMINIT PPCDBG_BITVAL(0) |
| 34 | #define PPCDBG_MM PPCDBG_BITVAL(1) |
| 35 | #define PPCDBG_SYS32 PPCDBG_BITVAL(2) |
| 36 | #define PPCDBG_SYS32NI PPCDBG_BITVAL(3) |
| 37 | #define PPCDBG_SYS32X PPCDBG_BITVAL(4) |
| 38 | #define PPCDBG_SYS32M PPCDBG_BITVAL(5) |
| 39 | #define PPCDBG_SYS64 PPCDBG_BITVAL(6) |
| 40 | #define PPCDBG_SYS64NI PPCDBG_BITVAL(7) |
| 41 | #define PPCDBG_SYS64X PPCDBG_BITVAL(8) |
| 42 | #define PPCDBG_SIGNAL PPCDBG_BITVAL(9) |
| 43 | #define PPCDBG_SIGNALXMON PPCDBG_BITVAL(10) |
| 44 | #define PPCDBG_BINFMT32 PPCDBG_BITVAL(11) |
| 45 | #define PPCDBG_BINFMT64 PPCDBG_BITVAL(12) |
| 46 | #define PPCDBG_BINFMTXMON PPCDBG_BITVAL(13) |
| 47 | #define PPCDBG_BINFMT_32ADDR PPCDBG_BITVAL(14) |
| 48 | #define PPCDBG_ALIGNFIXUP PPCDBG_BITVAL(15) |
| 49 | #define PPCDBG_TCEINIT PPCDBG_BITVAL(16) |
| 50 | #define PPCDBG_TCE PPCDBG_BITVAL(17) |
| 51 | #define PPCDBG_PHBINIT PPCDBG_BITVAL(18) |
| 52 | #define PPCDBG_SMP PPCDBG_BITVAL(19) |
| 53 | #define PPCDBG_BOOT PPCDBG_BITVAL(20) |
| 54 | #define PPCDBG_BUSWALK PPCDBG_BITVAL(21) |
| 55 | #define PPCDBG_PROM PPCDBG_BITVAL(22) |
| 56 | #define PPCDBG_RTAS PPCDBG_BITVAL(23) |
| 57 | #define PPCDBG_HTABSTRESS PPCDBG_BITVAL(62) |
| 58 | #define PPCDBG_HTABSIZE PPCDBG_BITVAL(63) |
| 59 | #define PPCDBG_NONE (0UL) |
| 60 | #define PPCDBG_ALL (0xffffffffUL) |
| 61 | |
| 62 | /* The default initial value for the debug switch */ |
| 63 | #define PPC_DEBUG_DEFAULT 0 |
| 64 | /* #define PPC_DEBUG_DEFAULT PPCDBG_ALL */ |
| 65 | |
| 66 | #define PPCDBG_NUM_FLAGS 64 |
| 67 | |
| 68 | extern u64 ppc64_debug_switch; |
| 69 | |
| 70 | #ifdef WANT_PPCDBG_TAB |
| 71 | /* A table of debug switch names to allow name lookup in xmon |
| 72 | * (and whoever else wants it. |
| 73 | */ |
| 74 | char *trace_names[PPCDBG_NUM_FLAGS] = { |
| 75 | /* Known debug names */ |
| 76 | "mminit", "mm", |
| 77 | "syscall32", "syscall32_ni", "syscall32x", "syscall32m", |
| 78 | "syscall64", "syscall64_ni", "syscall64x", |
| 79 | "signal", "signal_xmon", |
| 80 | "binfmt32", "binfmt64", "binfmt_xmon", "binfmt_32addr", |
| 81 | "alignfixup", "tceinit", "tce", "phb_init", |
| 82 | "smp", "boot", "buswalk", "prom", |
| 83 | "rtas" |
| 84 | }; |
| 85 | #else |
| 86 | extern char *trace_names[64]; |
| 87 | #endif /* WANT_PPCDBG_TAB */ |
| 88 | |
| 89 | #ifdef CONFIG_PPCDBG |
| 90 | /* Macro to conditionally print debug based on debug_switch */ |
| 91 | #define PPCDBG(...) udbg_ppcdbg(__VA_ARGS__) |
| 92 | |
| 93 | /* Macro to conditionally call a debug routine based on debug_switch */ |
| 94 | #define PPCDBGCALL(FLAGS,FUNCTION) ifppcdebug(FLAGS) FUNCTION |
| 95 | |
| 96 | /* Macros to test for debug states */ |
| 97 | #define ifppcdebug(FLAGS) if (udbg_ifdebug(FLAGS)) |
| 98 | #define ppcdebugset(FLAGS) (udbg_ifdebug(FLAGS)) |
| 99 | #define PPCDBG_BINFMT (test_thread_flag(TIF_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64) |
| 100 | |
| 101 | #else |
| 102 | #define PPCDBG(...) do {;} while (0) |
| 103 | #define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0) |
| 104 | #define ifppcdebug(...) if (0) |
| 105 | #define ppcdebugset(FLAGS) (0) |
| 106 | #endif /* CONFIG_PPCDBG */ |
| 107 | |
| 108 | #endif /*__PPCDEBUG_H */ |