1 | /* |
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2 | * hal_kentry.h - General values used in the different kernel entries |
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3 | * |
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4 | * Copyright (c) 2017 Maxime Villard |
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5 | * |
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6 | * This file is part of ALMOS-MKH. |
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7 | * |
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8 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; version 2.0 of the License. |
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11 | * |
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12 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with ALMOS-MKH.; if not, write to the Free Software Foundation, |
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19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | */ |
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21 | |
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22 | #define T_PRIVINFLT 0 /* privileged instruction */ |
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23 | #define T_BPTFLT 1 /* breakpoint trap */ |
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24 | #define T_ARITHTRAP 2 /* arithmetic trap */ |
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25 | #define T_ASTFLT 3 /* asynchronous system trap */ |
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26 | #define T_PROTFLT 4 /* protection fault */ |
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27 | #define T_TRCTRAP 5 /* trace trap */ |
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28 | #define T_PAGEFLT 6 /* page fault */ |
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29 | #define T_ALIGNFLT 7 /* alignment fault */ |
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30 | #define T_DIVIDE 8 /* integer divide fault */ |
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31 | #define T_NMI 9 /* non-maskable interrupt */ |
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32 | #define T_OFLOW 10 /* overflow trap */ |
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33 | #define T_BOUND 11 /* bounds check fault */ |
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34 | #define T_DNA 12 /* device not available fault */ |
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35 | #define T_DOUBLEFLT 13 /* double fault */ |
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36 | #define T_FPOPFLT 14 /* fp coprocessor operand fetch fault */ |
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37 | #define T_TSSFLT 15 /* invalid tss fault */ |
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38 | #define T_SEGNPFLT 16 /* segment not present fault */ |
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39 | #define T_STKFLT 17 /* stack fault */ |
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40 | #define T_MCA 18 /* machine check */ |
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41 | #define T_XMM 19 /* SSE FP exception */ |
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42 | #define T_RESERVED 20 /* reserved fault base */ |
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43 | |
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44 | /* Trap's coming from user mode */ |
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45 | #define T_USER 0x100 |
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46 | |
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47 | #ifndef x86_ASM |
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48 | |
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49 | /* |
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50 | * The x86_64 trap frame. |
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51 | */ |
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52 | struct trapframe { |
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53 | uint64_t tf_rdi; |
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54 | uint64_t tf_rsi; |
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55 | uint64_t tf_rdx; |
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56 | uint64_t tf_r10; |
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57 | uint64_t tf_r8; |
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58 | uint64_t tf_r9; |
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59 | |
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60 | uint64_t tf_arg6; |
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61 | uint64_t tf_arg7; |
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62 | uint64_t tf_arg8; |
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63 | uint64_t tf_arg9; |
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64 | |
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65 | uint64_t tf_rcx; |
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66 | uint64_t tf_r11; |
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67 | uint64_t tf_r12; |
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68 | uint64_t tf_r13; |
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69 | uint64_t tf_r14; |
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70 | uint64_t tf_r15; |
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71 | uint64_t tf_rbp; |
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72 | uint64_t tf_rbx; |
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73 | uint64_t tf_rax; |
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74 | |
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75 | uint64_t tf_gs; |
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76 | uint64_t tf_fs; |
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77 | uint64_t tf_es; |
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78 | uint64_t tf_ds; |
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79 | |
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80 | uint64_t tf_trapno; |
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81 | |
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82 | /* These are pushed for a trap */ |
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83 | uint64_t tf_err; |
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84 | uint64_t tf_rip; |
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85 | uint64_t tf_cs; |
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86 | uint64_t tf_rflags; |
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87 | |
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88 | /* These are always pushed */ |
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89 | uint64_t tf_rsp; |
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90 | uint64_t tf_ss; |
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91 | }; |
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92 | |
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93 | /* |
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94 | * Our small trap frame. |
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95 | */ |
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96 | struct small_trapframe { |
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97 | uint64_t tf_trapno; |
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98 | |
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99 | /* These are pushed for a trap */ |
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100 | uint64_t tf_err; |
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101 | uint64_t tf_rip; |
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102 | uint64_t tf_cs; |
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103 | uint64_t tf_rflags; |
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104 | |
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105 | /* These are always pushed */ |
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106 | uint64_t tf_rsp; |
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107 | uint64_t tf_ss; |
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108 | }; |
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109 | |
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110 | #endif |
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111 | |
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