3 /********************************************************************
4 * Author: Adam Litke, IBM Corp
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
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.
16 ********************************************************************/
18 #include <linux/config.h>
22 #define PPCDBG_BITVAL(X) ((1UL)<<((unsigned long)(X)))
24 /* Defined below are the bit positions of various debug flags in the
25 * debug_switch variable (defined in naca.h).
26 * -- When adding new values, please enter them into trace names below --
28 * Values 62 & 63 can be used to stress the hardware page table management
29 * code. They must be set statically, any attempt to change them dynamically
30 * would be a very bad idea.
32 #define PPCDBG_MMINIT PPCDBG_BITVAL(0)
33 #define PPCDBG_MM PPCDBG_BITVAL(1)
34 #define PPCDBG_SYS32 PPCDBG_BITVAL(2)
35 #define PPCDBG_SYS32NI PPCDBG_BITVAL(3)
36 #define PPCDBG_SYS32X PPCDBG_BITVAL(4)
37 #define PPCDBG_SYS32M PPCDBG_BITVAL(5)
38 #define PPCDBG_SYS64 PPCDBG_BITVAL(6)
39 #define PPCDBG_SYS64NI PPCDBG_BITVAL(7)
40 #define PPCDBG_SYS64X PPCDBG_BITVAL(8)
41 #define PPCDBG_SIGNAL PPCDBG_BITVAL(9)
42 #define PPCDBG_SIGNAL64 PPCDBG_BITVAL(10)
43 #define PPCDBG_SIGNALXMON PPCDBG_BITVAL(11)
44 #define PPCDBG_BINFMT32 PPCDBG_BITVAL(12)
45 #define PPCDBG_BINFMT64 PPCDBG_BITVAL(13)
46 #define PPCDBG_BINFMTXMON PPCDBG_BITVAL(14)
47 #define PPCDBG_BINFMT_32ADDR PPCDBG_BITVAL(15)
48 #define PPCDBG_ALIGNFIXUP PPCDBG_BITVAL(16)
49 #define PPCDBG_TCEINIT PPCDBG_BITVAL(17)
50 #define PPCDBG_TCE PPCDBG_BITVAL(18)
51 #define PPCDBG_PHBINIT PPCDBG_BITVAL(19)
52 #define PPCDBG_SMP PPCDBG_BITVAL(20)
53 #define PPCDBG_BOOT PPCDBG_BITVAL(21)
54 #define PPCDBG_BUSWALK PPCDBG_BITVAL(22)
55 #define PPCDBG_PROM PPCDBG_BITVAL(23)
56 #define PPCDBG_RTAS PPCDBG_BITVAL(24)
57 #define PPCDBG_HTABSTRESS PPCDBG_BITVAL(62)
58 #define PPCDBG_HTABSIZE PPCDBG_BITVAL(63)
59 #define PPCDBG_NONE (0UL)
60 #define PPCDBG_ALL (0xffffffffUL)
62 #define PPCDBG_NUM_FLAGS 64
64 /* The default initial value for the debug switch */
66 # define PPC_DEBUG_DEFAULT PPCDBG_ALL
68 # define PPC_DEBUG_DEFAULT PPCDBG_NONE
71 #ifdef WANT_PPCDBG_TAB
72 /* A table of debug switch names to allow name lookup in xmon
73 * (and whoever else wants it.
75 char *trace_names[PPCDBG_NUM_FLAGS] = {
76 /* Known debug names */
78 "syscall32", "syscall32_ni", "syscall32x", "syscall32m",
79 "syscall64", "syscall64_ni", "syscall64x",
80 "signal", "signal64", "signal_xmon",
81 "binfmt32", "binfmt64", "binfmt_xmon", "binfmt_32addr",
82 "alignfixup", "tceinit", "tce", "phb_init",
83 "smp", "boot", "buswalk", "prom",
87 extern char *trace_names[64];
88 #endif /* WANT_PPCDBG_TAB */
91 /* Macro to conditionally print debug based on debug_switch */
92 #define PPCDBG(...) udbg_ppcdbg(__VA_ARGS__)
94 /* Macro to conditionally call a debug routine based on debug_switch */
95 #define PPCDBGCALL(FLAGS,FUNCTION) ifppcdebug(FLAGS) FUNCTION
97 /* Macros to test for debug states */
98 #define ifppcdebug(FLAGS) if (udbg_ifdebug(FLAGS))
99 #define ppcdebugset(FLAGS) (udbg_ifdebug(FLAGS))
100 #define PPCDBG_BINFMT ((current->thread.flags & PPC_FLAG_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64)
103 #define PPCDBG_ENTER_DEBUGGER() xmon(0)
104 #define PPCDBG_ENTER_DEBUGGER_REGS(X) xmon(X)
108 #define PPCDBG(...) do {;} while (0)
109 #define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0)
110 #define ifppcdebug(...) if (0)
111 #define ppcdebugset(FLAGS) (0)
112 #endif /* CONFIG_PPCDBG */
114 #ifndef PPCDBG_ENTER_DEBUGGER
115 #define PPCDBG_ENTER_DEBUGGER() do {;} while(0)
118 #ifndef PPCDBG_ENTER_DEBUGGER_REGS
119 #define PPCDBG_ENTER_DEBUGGER_REGS(A) do {;} while(0)
122 #endif /*__PPCDEBUG_H */