| 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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