| c1f23d63 |
1 | #******************************************************************************\r |
| 2 | #*\r |
| 3 | #* Copyright (c) 2006, Intel Corporation \r |
| 4 | #* All rights reserved. This program and the accompanying materials \r |
| 5 | #* are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | #* which accompanies this distribution. The full text of the license may be found at \r |
| 7 | #* http://opensource.org/licenses/bsd-license.php \r |
| 8 | #* \r |
| 9 | #* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | #* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | #*\r |
| 12 | #******************************************************************************\r |
| 13 | \r |
| 14 | .globl ASM_PFX(OrigVector)\r |
| 15 | .globl ASM_PFX(InterruptEntryStub)\r |
| 16 | .globl ASM_PFX(StubSize)\r |
| 17 | .globl ASM_PFX(CommonIdtEntry)\r |
| 18 | .globl ASM_PFX(FxStorSupport)\r |
| 19 | \r |
| 20 | ASM_PFX(AppEsp): .long 0x11111111 # ?\r |
| 21 | ASM_PFX(DebugEsp): .long 0x22222222 # ?\r |
| 22 | ASM_PFX(ExtraPush): .long 0x33333333 # ?\r |
| 23 | ASM_PFX(ExceptData): .long 0x44444444 # ?\r |
| 24 | ASM_PFX(Eflags): .long 0x55555555 # ?\r |
| 25 | ASM_PFX(OrigVector): .long 0x66666666 # ?\r |
| 26 | ASM_PFX(StubSize): .long ASM_PFX(InterruptEntryStubEnd) - ASM_PFX(InterruptEntryStub)\r |
| 27 | \r |
| 28 | .globl ASM_PFX(FxStorSupport)\r |
| 29 | ASM_PFX(FxStorSupport):\r |
| 30 | push %ebx\r |
| 31 | mov $0x1,%eax\r |
| 32 | cpuid \r |
| 33 | mov %edx,%eax\r |
| 34 | and $0x1000000,%eax\r |
| 35 | shr $0x18,%eax\r |
| 36 | pop %ebx\r |
| 37 | ret \r |
| 38 | \r |
| 39 | .globl ASM_PFX(GetIdtr)\r |
| 40 | ASM_PFX(GetIdtr):\r |
| 41 | push %ebp\r |
| 42 | mov %esp,%ebp\r |
| 43 | add $0xfffffff8,%esp\r |
| 44 | sidtl 0xfffffffa(%ebp)\r |
| 45 | mov 0xfffffffc(%ebp),%eax\r |
| 46 | leave \r |
| 47 | ret \r |
| 48 | \r |
| 49 | .globl ASM_PFX(WriteInterruptFlag)\r |
| 50 | ASM_PFX(WriteInterruptFlag):\r |
| 51 | push %ebp\r |
| 52 | mov %esp,%ebp\r |
| 53 | pushf \r |
| 54 | pop %eax\r |
| 55 | and $0x200,%eax\r |
| 56 | shr $0x9,%eax\r |
| 57 | mov 0x8(%ebp),%ecx\r |
| 58 | or %cl,%cl\r |
| 59 | jne ASM_PFX(WriteInterruptFlag+0x17)\r |
| 60 | cli \r |
| 61 | jmp ASM_PFX(WriteInterruptFlag+0x18)\r |
| 62 | sti \r |
| 63 | leave \r |
| 64 | ret \r |
| 65 | \r |
| 66 | .globl ASM_PFX(Vect2Desc)\r |
| 67 | ASM_PFX(Vect2Desc):\r |
| 68 | push %ebp\r |
| 69 | mov %esp,%ebp\r |
| 70 | mov 0xc(%ebp),%eax\r |
| 71 | mov 0x8(%ebp),%ecx\r |
| 72 | mov %ax,(%ecx)\r |
| 73 | movw $0x20,0x2(%ecx)\r |
| 74 | movw $0x8e00,0x4(%ecx)\r |
| 75 | shr $0x10,%eax\r |
| 76 | mov %ax,0x6(%ecx)\r |
| 77 | leave \r |
| 78 | ret \r |
| 79 | \r |
| 80 | .globl ASM_PFX(InterruptEntryStub)\r |
| 81 | ASM_PFX(InterruptEntryStub):\r |
| 82 | mov %esp,0x0\r |
| 83 | mov $0x0,%esp\r |
| 84 | push $0x0\r |
| 85 | jmp ASM_PFX(CommonIdtEntry)\r |
| 86 | .globl ASM_PFX(InterruptEntryStubEnd)\r |
| 87 | ASM_PFX(InterruptEntryStubEnd):\r |
| 88 | \r |
| 89 | .globl ASM_PFX(CommonIdtEntry)\r |
| 90 | ASM_PFX(CommonIdtEntry):\r |
| 91 | pusha \r |
| 92 | pushf \r |
| 93 | pop %eax\r |
| 94 | mov %eax,0x0\r |
| 95 | cmpl $0x8,0x0\r |
| 96 | jne ASM_PFX(CommonIdtEntry+0x20)\r |
| 97 | movl $0x1,0x0\r |
| 98 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 99 | cmpl $0xa,0x0\r |
| 100 | jne ASM_PFX(CommonIdtEntry+0x35)\r |
| 101 | movl $0x1,0x0\r |
| 102 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 103 | cmpl $0xb,0x0\r |
| 104 | jne ASM_PFX(CommonIdtEntry+0x4a)\r |
| 105 | movl $0x1,0x0\r |
| 106 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 107 | cmpl $0xc,0x0\r |
| 108 | jne ASM_PFX(CommonIdtEntry+0x5f)\r |
| 109 | movl $0x1,0x0\r |
| 110 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 111 | cmpl $0xd,0x0\r |
| 112 | jne ASM_PFX(CommonIdtEntry+0x74)\r |
| 113 | movl $0x1,0x0\r |
| 114 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 115 | cmpl $0xe,0x0\r |
| 116 | jne ASM_PFX(CommonIdtEntry+0x89)\r |
| 117 | movl $0x1,0x0\r |
| 118 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 119 | cmpl $0x11,0x0\r |
| 120 | jne ASM_PFX(CommonIdtEntry+0x9e)\r |
| 121 | movl $0x1,0x0\r |
| 122 | jmp ASM_PFX(CommonIdtEntry+0xa8)\r |
| 123 | movl $0x0,0x0\r |
| 124 | cmpl $0x1,0x0\r |
| 125 | jne ASM_PFX(CommonIdtEntry+0xc8)\r |
| 126 | mov 0x0,%eax\r |
| 127 | mov (%eax),%ebx\r |
| 128 | mov %ebx,0x0\r |
| 129 | add $0x4,%eax\r |
| 130 | mov %eax,0x0\r |
| 131 | jmp ASM_PFX(CommonIdtEntry+0xd2)\r |
| 132 | movl $0x0,0x0\r |
| 133 | mov 0xc(%esp),%eax\r |
| 134 | mov %eax,0x0\r |
| 135 | mov 0x0,%eax\r |
| 136 | add $0xc,%eax\r |
| 137 | mov %eax,0xc(%esp)\r |
| 138 | mov %ss,%eax\r |
| 139 | push %eax\r |
| 140 | mov 0x0,%eax\r |
| 141 | movzwl 0x4(%eax),%eax\r |
| 142 | push %eax\r |
| 143 | mov %ds,%eax\r |
| 144 | push %eax\r |
| 145 | mov %es,%eax\r |
| 146 | push %eax\r |
| 147 | mov %fs,%eax\r |
| 148 | push %eax\r |
| 149 | mov %gs,%eax\r |
| 150 | push %eax\r |
| 151 | mov 0x0,%eax\r |
| 152 | pushl (%eax)\r |
| 153 | push $0x0\r |
| 154 | push $0x0\r |
| 155 | sidtl (%esp)\r |
| 156 | push $0x0\r |
| 157 | push $0x0\r |
| 158 | sgdtl (%esp)\r |
| 159 | xor %eax,%eax\r |
| 160 | str %eax\r |
| 161 | push %eax\r |
| 162 | sldt %eax\r |
| 163 | push %eax\r |
| 164 | mov 0x0,%eax\r |
| 165 | pushl 0x8(%eax)\r |
| 166 | mov %cr4,%eax\r |
| 167 | or $0x208,%eax\r |
| 168 | mov %eax,%cr4\r |
| 169 | push %eax\r |
| 170 | mov %cr3,%eax\r |
| 171 | push %eax\r |
| 172 | mov %cr2,%eax\r |
| 173 | push %eax\r |
| 174 | push $0x0\r |
| 175 | mov %cr0,%eax\r |
| 176 | push %eax\r |
| 177 | mov %db7,%eax\r |
| 178 | push %eax\r |
| 179 | xor %eax,%eax\r |
| 180 | mov %eax,%db7\r |
| 181 | mov %db6,%eax\r |
| 182 | push %eax\r |
| 183 | xor %eax,%eax\r |
| 184 | mov %eax,%db6\r |
| 185 | mov %db3,%eax\r |
| 186 | push %eax\r |
| 187 | mov %db2,%eax\r |
| 188 | push %eax\r |
| 189 | mov %db1,%eax\r |
| 190 | push %eax\r |
| 191 | mov %db0,%eax\r |
| 192 | push %eax\r |
| 193 | sub $0x200,%esp\r |
| 194 | mov %esp,%edi\r |
| 195 | fxsave (%edi)\r |
| 196 | mov 0x0,%eax\r |
| 197 | push %eax\r |
| 198 | mov %esp,%eax\r |
| 199 | push %eax\r |
| 200 | mov 0x0,%eax\r |
| 201 | push %eax\r |
| 202 | call ASM_PFX(CommonIdtEntry+0x184)\r |
| 203 | add $0x8,%esp\r |
| 204 | add $0x4,%esp\r |
| 205 | mov %esp,%esi\r |
| 206 | fxrstor (%esi)\r |
| 207 | add $0x200,%esp\r |
| 208 | pop %eax\r |
| 209 | mov %eax,%db0\r |
| 210 | pop %eax\r |
| 211 | mov %eax,%db1\r |
| 212 | pop %eax\r |
| 213 | mov %eax,%db2\r |
| 214 | pop %eax\r |
| 215 | mov %eax,%db3\r |
| 216 | add $0x4,%esp\r |
| 217 | pop %eax\r |
| 218 | mov %eax,%db7\r |
| 219 | pop %eax\r |
| 220 | mov %eax,%cr0\r |
| 221 | add $0x4,%esp\r |
| 222 | pop %eax\r |
| 223 | mov %eax,%cr2\r |
| 224 | pop %eax\r |
| 225 | mov %eax,%cr3\r |
| 226 | pop %eax\r |
| 227 | mov %eax,%cr4\r |
| 228 | mov 0x0,%eax\r |
| 229 | popl 0x8(%eax)\r |
| 230 | add $0x18,%esp\r |
| 231 | popl (%eax)\r |
| 232 | pop %gs\r |
| 233 | pop %fs\r |
| 234 | pop %es\r |
| 235 | pop %ds\r |
| 236 | popl 0x4(%eax)\r |
| 237 | pop %ss\r |
| 238 | mov 0xc(%esp),%ebx\r |
| 239 | mov 0x0,%eax\r |
| 240 | add $0xc,%eax\r |
| 241 | cmp %eax,%ebx\r |
| 242 | je ASM_PFX(CommonIdtEntry+0x202)\r |
| 243 | mov 0x0,%eax\r |
| 244 | mov (%eax),%ecx\r |
| 245 | mov %ecx,(%ebx)\r |
| 246 | mov 0x4(%eax),%ecx\r |
| 247 | mov %ecx,0x4(%ebx)\r |
| 248 | mov 0x8(%eax),%ecx\r |
| 249 | mov %ecx,0x8(%ebx)\r |
| 250 | mov %ebx,%eax\r |
| 251 | mov %eax,0x0\r |
| 252 | mov 0x0,%eax\r |
| 253 | mov %eax,0xc(%esp)\r |
| 254 | cmpl $0x68,0x0\r |
| 255 | jne PhonyIretd+0xd\r |
| 256 | mov 0x0,%eax\r |
| 257 | mov 0x8(%eax),%ebx\r |
| 258 | and $0xfffffcff,%ebx\r |
| 259 | push %ebx\r |
| 260 | push %cs\r |
| 261 | push $0x0\r |
| 262 | iret \r |
| 263 | \r |
| 264 | PhonyIretd:\r |
| 265 | popa \r |
| 266 | mov 0x0,%esp\r |
| 267 | jmp *0x0\r |
| 268 | popa \r |
| 269 | mov 0x0,%esp\r |
| 270 | iret \r |
projects / mirror_edk2.git / blame