| Robin Getz | 230d001 | 2009-12-21 16:35:48 -0500 | [diff] [blame] | 1 | /* Blackfin KGDB header |
| 2 | * |
| 3 | * Copyright 2005-2009 Analog Devices Inc. |
| 4 | * |
| 5 | * Licensed under the GPL-2 or later. |
| 6 | */ |
| 7 | |
| 8 | #ifndef __ASM_BLACKFIN_KGDB_H__ |
| 9 | #define __ASM_BLACKFIN_KGDB_H__ |
| 10 | |
| 11 | /* gdb locks */ |
| 12 | #define KGDB_MAX_NO_CPUS 8 |
| 13 | |
| 14 | /* |
| 15 | * BUFMAX defines the maximum number of characters in inbound/outbound buffers. |
| 16 | * At least NUMREGBYTES*2 are needed for register packets. |
| 17 | * Longer buffer is needed to list all threads. |
| 18 | */ |
| 19 | #define BUFMAX 2048 |
| 20 | |
| 21 | enum regnames { |
| 22 | /* Core Registers */ |
| 23 | BFIN_R0 = 0, |
| 24 | BFIN_R1, |
| 25 | BFIN_R2, |
| 26 | BFIN_R3, |
| 27 | BFIN_R4, |
| 28 | BFIN_R5, |
| 29 | BFIN_R6, |
| 30 | BFIN_R7, |
| 31 | BFIN_P0, |
| 32 | BFIN_P1, |
| 33 | BFIN_P2, |
| 34 | BFIN_P3, |
| 35 | BFIN_P4, |
| 36 | BFIN_P5, |
| 37 | BFIN_SP, |
| 38 | BFIN_FP, |
| 39 | BFIN_I0, |
| 40 | BFIN_I1, |
| 41 | BFIN_I2, |
| 42 | BFIN_I3, |
| 43 | BFIN_M0, |
| 44 | BFIN_M1, |
| 45 | BFIN_M2, |
| 46 | BFIN_M3, |
| 47 | BFIN_B0, |
| 48 | BFIN_B1, |
| 49 | BFIN_B2, |
| 50 | BFIN_B3, |
| 51 | BFIN_L0, |
| 52 | BFIN_L1, |
| 53 | BFIN_L2, |
| 54 | BFIN_L3, |
| 55 | BFIN_A0_DOT_X, |
| 56 | BFIN_A0_DOT_W, |
| 57 | BFIN_A1_DOT_X, |
| 58 | BFIN_A1_DOT_W, |
| 59 | BFIN_ASTAT, |
| 60 | BFIN_RETS, |
| 61 | BFIN_LC0, |
| 62 | BFIN_LT0, |
| 63 | BFIN_LB0, |
| 64 | BFIN_LC1, |
| 65 | BFIN_LT1, |
| 66 | BFIN_LB1, |
| 67 | BFIN_CYCLES, |
| 68 | BFIN_CYCLES2, |
| 69 | BFIN_USP, |
| 70 | BFIN_SEQSTAT, |
| 71 | BFIN_SYSCFG, |
| 72 | BFIN_RETI, |
| 73 | BFIN_RETX, |
| 74 | BFIN_RETN, |
| 75 | BFIN_RETE, |
| 76 | |
| 77 | /* Pseudo Registers */ |
| 78 | BFIN_PC, |
| 79 | BFIN_CC, |
| 80 | BFIN_EXTRA1, /* Address of .text section. */ |
| 81 | BFIN_EXTRA2, /* Address of .data section. */ |
| 82 | BFIN_EXTRA3, /* Address of .bss section. */ |
| 83 | BFIN_FDPIC_EXEC, |
| 84 | BFIN_FDPIC_INTERP, |
| 85 | |
| 86 | /* MMRs */ |
| 87 | BFIN_IPEND, |
| 88 | |
| 89 | /* LAST ENTRY SHOULD NOT BE CHANGED. */ |
| 90 | BFIN_NUM_REGS /* The number of all registers. */ |
| 91 | }; |
| 92 | |
| 93 | /* Number of bytes of registers. */ |
| 94 | #define NUMREGBYTES (BFIN_NUM_REGS * 4) |
| 95 | |
| 96 | static inline void arch_kgdb_breakpoint(void) |
| 97 | { |
| 98 | asm volatile ("EXCPT 2;"); |
| 99 | } |
| 100 | #define BREAK_INSTR_SIZE 2 |
| 101 | #define CACHE_FLUSH_IS_SAFE 1 |
| 102 | #define GDB_ADJUSTS_BREAK_OFFSET |
| 103 | #define GDB_SKIP_HW_WATCH_TEST |
| 104 | #define HW_INST_WATCHPOINT_NUM 6 |
| 105 | #define HW_WATCHPOINT_NUM 8 |
| 106 | #define TYPE_INST_WATCHPOINT 0 |
| 107 | #define TYPE_DATA_WATCHPOINT 1 |
| 108 | |
| 109 | /* Instruction watchpoint address control register bits mask */ |
| 110 | #define WPPWR 0x1 |
| 111 | #define WPIREN01 0x2 |
| 112 | #define WPIRINV01 0x4 |
| 113 | #define WPIAEN0 0x8 |
| 114 | #define WPIAEN1 0x10 |
| 115 | #define WPICNTEN0 0x20 |
| 116 | #define WPICNTEN1 0x40 |
| 117 | #define EMUSW0 0x80 |
| 118 | #define EMUSW1 0x100 |
| 119 | #define WPIREN23 0x200 |
| 120 | #define WPIRINV23 0x400 |
| 121 | #define WPIAEN2 0x800 |
| 122 | #define WPIAEN3 0x1000 |
| 123 | #define WPICNTEN2 0x2000 |
| 124 | #define WPICNTEN3 0x4000 |
| 125 | #define EMUSW2 0x8000 |
| 126 | #define EMUSW3 0x10000 |
| 127 | #define WPIREN45 0x20000 |
| 128 | #define WPIRINV45 0x40000 |
| 129 | #define WPIAEN4 0x80000 |
| 130 | #define WPIAEN5 0x100000 |
| 131 | #define WPICNTEN4 0x200000 |
| 132 | #define WPICNTEN5 0x400000 |
| 133 | #define EMUSW4 0x800000 |
| 134 | #define EMUSW5 0x1000000 |
| 135 | #define WPAND 0x2000000 |
| 136 | |
| 137 | /* Data watchpoint address control register bits mask */ |
| 138 | #define WPDREN01 0x1 |
| 139 | #define WPDRINV01 0x2 |
| 140 | #define WPDAEN0 0x4 |
| 141 | #define WPDAEN1 0x8 |
| 142 | #define WPDCNTEN0 0x10 |
| 143 | #define WPDCNTEN1 0x20 |
| 144 | |
| 145 | #define WPDSRC0 0xc0 |
| 146 | #define WPDACC0_OFFSET 8 |
| 147 | #define WPDSRC1 0xc00 |
| 148 | #define WPDACC1_OFFSET 12 |
| 149 | |
| 150 | /* Watchpoint status register bits mask */ |
| 151 | #define STATIA0 0x1 |
| 152 | #define STATIA1 0x2 |
| 153 | #define STATIA2 0x4 |
| 154 | #define STATIA3 0x8 |
| 155 | #define STATIA4 0x10 |
| 156 | #define STATIA5 0x20 |
| 157 | #define STATDA0 0x40 |
| 158 | #define STATDA1 0x80 |
| 159 | |
| 160 | #endif |