os/kernel64/src/isr.asm at main · reindeer002/os · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
[BITS 64]

SECTION .text

extern kCommonExceptionHandler, kCommonInterruptHandler, kKeyboardHandler

global kISRDivideError, kISRDebug, kISRNMI, kISRBreakPoint, kISROverflow
global kISRBoundRangeExceeded, kISRInvalidOpcode, kISRDeviceNotAvailable, kISRDoubleFault
global kISRCoprocessorSegmentOverrun, kISRInvalidTSS, kISRSegmentNotPresent
global kISRStackSegmentFault, kISRGeneralProtection, kISRPageFault, kISR15
global kISRFPUError, kISRAlignmentCheck, kISRMachineCheck, kISRSIMDError, kISRETCException

global kISRTimer, kISRKeyboard, kISRSlavePIC, kISRSerial2, kISRSerial1, kISRParallel2
global kISRFloppy, kISRParallel1, kISRRTC, kISRReserved, kISRNotUsed1, kISRNotUsed2
global kISRMouse, kISRCoprocessor, kISRHDD1, kISRHDD2, kISRETCInterrupt

%macro KSAVECONTEXT 0
    push rbp
    mov rbp, rsp
    push rax
    push rbx
    push rcx
    push rdx
    push rdi
    push rsi
    push r8
    push r9
    push r10
    push r11
    push r12
    push r13
    push r14
    push r15

    mov ax, ds
    push rax
    mov ax, es
    push rax
    push fs
    push gs

    mov ax, 0x10
    mov ds, ax
    mov es, ax
    mov fs, ax
    mov gs, ax
%endmacro

%macro KLOADCONTEXT 0
    pop gs
    pop fs
    pop rax
    mov es, ax
    pop rax
    mov ds, ax

    pop r15
    pop r14
    pop r13
    pop r12
    pop r11
    pop r10
    pop r9
    pop r8
    pop rsi
    pop rdi
    pop rdx
    pop rcx
    pop rbx
    pop rax
    pop rbp
%endmacro

; Exception Handler
kISRDivideError:
    KSAVECONTEXT

    mov rdi, 0
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRDebug:
    KSAVECONTEXT

    mov rdi, 1
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRNMI:
    KSAVECONTEXT

    mov rdi, 2
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRBreakPoint:
    KSAVECONTEXT

    mov rdi, 3
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISROverflow:
    KSAVECONTEXT

    mov rdi, 4
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRBoundRangeExceeded:
    KSAVECONTEXT

    mov rdi, 5
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRInvalidOpcode:
    KSAVECONTEXT

    mov rdi, 6
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRDeviceNotAvailable:
    KSAVECONTEXT

    mov rdi, 7
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRDoubleFault:
    KSAVECONTEXT

    mov rdi, 8
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRCoprocessorSegmentOverrun:
    KSAVECONTEXT

    mov rdi, 9
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRInvalidTSS:
    KSAVECONTEXT

    mov rdi, 10
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRSegmentNotPresent:
    KSAVECONTEXT

    mov rdi, 11
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRStackSegmentFault:
    KSAVECONTEXT

    mov rdi, 12
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRGeneralProtection:
    KSAVECONTEXT

    mov rdi, 13
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRPageFault:
    KSAVECONTEXT

    mov rdi, 14
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISR15:
    KSAVECONTEXT

    mov rdi, 15
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRFPUError:
    KSAVECONTEXT

    mov rdi, 16
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRAlignmentCheck:
    KSAVECONTEXT

    mov rdi, 17
    mov rsi, qword [rbp + 8]        ; error code
    call kCommonExceptionHandler

    KLOADCONTEXT
    add rsp, 8                      ; erase error code in stack
    iretq

kISRMachineCheck:
    KSAVECONTEXT

    mov rdi, 18
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRSIMDError:
    KSAVECONTEXT

    mov rdi, 19
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

kISRETCException:
    KSAVECONTEXT

    mov rdi, 20
    call kCommonExceptionHandler

    KLOADCONTEXT
    iretq

; Interrupt Handler
kISRTimer:
    KSAVECONTEXT

    mov rdi, 32
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRKeyboard:
    KSAVECONTEXT

    mov rdi, 33
    call kKeyboardHandler

    KLOADCONTEXT
    iretq

kISRSlavePIC:
    KSAVECONTEXT

    mov rdi, 34
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRSerial2:
    KSAVECONTEXT

    mov rdi, 35
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRSerial1:
    KSAVECONTEXT

    mov rdi, 36
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRParallel2:
    KSAVECONTEXT

    mov rdi, 37
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRFloppy:
    KSAVECONTEXT

    mov rdi, 38
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRParallel1:
    KSAVECONTEXT

    mov rdi, 39
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRRTC:
    KSAVECONTEXT

    mov rdi, 40
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRReserved:
    KSAVECONTEXT

    mov rdi, 41
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRNotUsed1:
    KSAVECONTEXT

    mov rdi, 42
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRNotUsed2:
    KSAVECONTEXT

    mov rdi, 43
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRMouse:
    KSAVECONTEXT

    mov rdi, 44
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRCoprocessor:
    KSAVECONTEXT

    mov rdi, 45
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRHDD1:
    KSAVECONTEXT

    mov rdi, 46
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRHDD2:
    KSAVECONTEXT

    mov rdi, 47
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq

kISRETCInterrupt:
    KSAVECONTEXT

    mov rdi, 48
    call kCommonInterruptHandler

    KLOADCONTEXT
    iretq