1 /* Target-dependent code for Xilinx MicroBlaze. 2 3 Copyright (C) 2009-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef MICROBLAZE_TDEP_H 21 #define MICROBLAZE_TDEP_H 1 22 23 #include "gdbarch.h" 24 25 /* Microblaze architecture-specific information. */ 26 struct microblaze_gdbarch_tdep : gdbarch_tdep_base 27 { 28 }; 29 30 /* Register numbers. */ 31 enum microblaze_regnum 32 { 33 MICROBLAZE_R0_REGNUM, 34 MICROBLAZE_R1_REGNUM, MICROBLAZE_SP_REGNUM = MICROBLAZE_R1_REGNUM, 35 MICROBLAZE_R2_REGNUM, 36 MICROBLAZE_R3_REGNUM, MICROBLAZE_RETVAL_REGNUM = MICROBLAZE_R3_REGNUM, 37 MICROBLAZE_R4_REGNUM, 38 MICROBLAZE_R5_REGNUM, MICROBLAZE_FIRST_ARGREG = MICROBLAZE_R5_REGNUM, 39 MICROBLAZE_R6_REGNUM, 40 MICROBLAZE_R7_REGNUM, 41 MICROBLAZE_R8_REGNUM, 42 MICROBLAZE_R9_REGNUM, 43 MICROBLAZE_R10_REGNUM, MICROBLAZE_LAST_ARGREG = MICROBLAZE_R10_REGNUM, 44 MICROBLAZE_R11_REGNUM, 45 MICROBLAZE_R12_REGNUM, 46 MICROBLAZE_R13_REGNUM, 47 MICROBLAZE_R14_REGNUM, 48 MICROBLAZE_R15_REGNUM, 49 MICROBLAZE_R16_REGNUM, 50 MICROBLAZE_R17_REGNUM, 51 MICROBLAZE_R18_REGNUM, 52 MICROBLAZE_R19_REGNUM, 53 MICROBLAZE_R20_REGNUM, 54 MICROBLAZE_R21_REGNUM, 55 MICROBLAZE_R22_REGNUM, 56 MICROBLAZE_R23_REGNUM, 57 MICROBLAZE_R24_REGNUM, 58 MICROBLAZE_R25_REGNUM, 59 MICROBLAZE_R26_REGNUM, 60 MICROBLAZE_R27_REGNUM, 61 MICROBLAZE_R28_REGNUM, 62 MICROBLAZE_R29_REGNUM, 63 MICROBLAZE_R30_REGNUM, 64 MICROBLAZE_R31_REGNUM, 65 MICROBLAZE_PC_REGNUM, 66 MICROBLAZE_MSR_REGNUM, 67 MICROBLAZE_EAR_REGNUM, 68 MICROBLAZE_ESR_REGNUM, 69 MICROBLAZE_FSR_REGNUM, 70 MICROBLAZE_BTR_REGNUM, 71 MICROBLAZE_PVR0_REGNUM, 72 MICROBLAZE_PVR1_REGNUM, 73 MICROBLAZE_PVR2_REGNUM, 74 MICROBLAZE_PVR3_REGNUM, 75 MICROBLAZE_PVR4_REGNUM, 76 MICROBLAZE_PVR5_REGNUM, 77 MICROBLAZE_PVR6_REGNUM, 78 MICROBLAZE_PVR7_REGNUM, 79 MICROBLAZE_PVR8_REGNUM, 80 MICROBLAZE_PVR9_REGNUM, 81 MICROBLAZE_PVR10_REGNUM, 82 MICROBLAZE_PVR11_REGNUM, 83 MICROBLAZE_REDR_REGNUM, 84 MICROBLAZE_RPID_REGNUM, 85 MICROBLAZE_RZPR_REGNUM, 86 MICROBLAZE_RTLBX_REGNUM, 87 MICROBLAZE_RTLBSX_REGNUM, 88 MICROBLAZE_RTLBLO_REGNUM, 89 MICROBLAZE_RTLBHI_REGNUM, 90 MICROBLAZE_SLR_REGNUM, MICROBLAZE_NUM_CORE_REGS = MICROBLAZE_SLR_REGNUM, 91 MICROBLAZE_SHR_REGNUM, 92 MICROBLAZE_NUM_REGS 93 }; 94 95 struct microblaze_frame_cache 96 { 97 /* Base address. */ 98 CORE_ADDR base; 99 CORE_ADDR pc; 100 101 /* Do we have a frame? */ 102 int frameless_p; 103 104 /* Frame size. */ 105 int framesize; 106 107 /* Frame register. */ 108 int fp_regnum; 109 110 /* Offsets to saved registers. */ 111 int register_offsets[MICROBLAZE_NUM_REGS]; 112 113 /* Table of saved registers. */ 114 struct trad_frame_saved_reg *saved_regs; 115 }; 116 /* All registers are 32 bits. */ 117 #define MICROBLAZE_REGISTER_SIZE 4 118 119 /* MICROBLAZE_BREAKPOINT defines the breakpoint that should be used. 120 Only used for native debugging. */ 121 #define MICROBLAZE_BREAKPOINT {0xb9, 0xcc, 0x00, 0x60} 122 123 #endif /* microblaze-tdep.h */ 124