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Rev 2217 Rev 2219
Line 10... Line 10...
10 
iglobal
 10 
iglobal
11 
IRQ_COUNT	dd	24
 11 
IRQ_COUNT    dd 24
12 
endg
 12 
endg
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 13 
 
14 
uglobal
 14 
uglobal
15 
APIC         rd  1
 15 
irq_mode     rd  1
16 
IOAPIC_base  rd  1
 16 
IOAPIC_base  rd  1
17 
LAPIC_BASE   rd  1
 17 
LAPIC_BASE   rd  1
Line 18... Line 18...
18 
endg
 18 
endg
Line 42... Line 42...
42 
IOAPIC_ARB      equ 0x2
 42 
IOAPIC_ARB      equ 0x2
43 
IOAPIC_REDTBL   equ 0x10
 43 
IOAPIC_REDTBL   equ 0x10
Line 44... Line 44...
44 
 
 44 
 
45 
align 4
 45 
align 4
46 
APIC_init:
 46 
APIC_init:
Line 47... Line 47...
47 
        mov dword[APIC], 0
 47 
        mov [irq_mode], IRQ_PIC
- 
 
 48 
 
- 
 
 49 
        cmp [acpi_ioapic_base], 0
- 
 
 50 
        jz .no_apic
- 
 
 51 
 
- 
 
 52 
        cmp [acpi_lapic_base], 0
- 
 
 53 
        jz .no_apic
48 
 
 54 
 
- 
 
 55 
        stdcall load_file, dev_data_path
49 
        mov eax, [acpi_ioapic_base]
 56 
        test eax, eax
Line 50... Line 57...
50 
        test eax, eax
 57 
        mov [acpi_dev_data], eax
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51 
        jz .no_apic
 58 
        jz .no_apic
Line 96... Line 103...
96 
        cmp ecx, [IRQ_COUNT]
 103 
        cmp ecx, [IRQ_COUNT]
97 
        jb  @b
 104 
        jb  @b
Line 98... Line 105...
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 105 
 
Line 99... Line 106...
99 
        call  LAPIC_init
 106 
        call  LAPIC_init
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100 
 
 107 
 
101 
        mov dword[APIC], 0xffffffff
 108 
        mov [irq_mode], IRQ_APIC
102 
 
 109 
 
103 
        mov al, 0x70
 110 
        mov al, 0x70
Line 104... Line -...
104 
        out 0x22, al
 - 
 
105 
        mov al, 1
 - 
 
106 
        out 0x23, al
 111 
        out 0x22, al
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107 
 
 112 
        mov al, 1
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	; mov	dword[irq_type_to_set], IRQ_TYPE_APIC
 113 
        out 0x23, al
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240 
        pop esi
 245 
        pop esi
241 
        ret
 246 
        ret
242 
;===========================================================
 247 
;===========================================================
243 
; Remap all IRQ to 0x20+ Vectors
 248 
; Remap all IRQ to 0x20+ Vectors
244 
; IRQ0 to vector 0x20, IRQ1 to vector 0x21....
 249 
; IRQ0 to vector 0x20, IRQ1 to vector 0x21....
- 
 
 250 
align 4
245 
PIC_init:
 251 
PIC_init:
246 
        cli
 252 
        cli
247 
        mov al,0x11   ;  icw4, edge triggered
 253 
        mov al,0x11   ;  icw4, edge triggered
248 
        out 0x20,al
 254 
        out 0x20,al
249 
        out 0xA0,al
 255 
        out 0xA0,al
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	; mov	dword[irq_type_to_set], IRQ_TYPE_PIC
 272 
	; mov	dword[irq_type_to_set], IRQ_TYPE_PIC
267 
        ret
 273 
        ret
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 274 
 
269 
; -----------------------------------------
 275 
; -----------------------------------------
- 
 
 276 
; TIMER SET TO 1/100 S
270 
; TIMER SET TO 1/100 S
 277 
align 4
271 
PIT_init:
 278 
PIT_init:
272 
        mov   al,0x34      ; set to 100Hz
 279 
        mov   al,0x34      ; set to 100Hz
273 
        out   0x43,al
 280 
        out   0x43,al
274 
        mov   al,0x9b      ; lsb    1193180 / 1193
 281 
        mov   al,0x9b      ; lsb    1193180 / 1193
275 
        out   0x40,al
 282 
        out   0x40,al
276 
        mov   al,0x2e      ; msb
 283 
        mov   al,0x2e      ; msb
277 
        out   0x40,al
 284 
        out   0x40,al
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278 
        ret
 285 
        ret
- 
 
 286 
 
279 
 
 287 
; -----------------------------------------
280 
; -----------------------------------------
 288 
align 4
281 
unmask_timer:
 289 
unmask_timer:
- 
 
 290 
        cmp  [irq_mode], IRQ_APIC
282 
        test  dword[APIC], 0xffffffff
 291 
        je @f
283 
        jnz @f
 292 
 
284 
        stdcall enable_irq, 0
 293 
        stdcall enable_irq, 0
285 
        ret
 294 
        ret
286 
@@:
 295 
@@:
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304 
        mov [esi + APIC_LVT_timer], eax
 313 
        mov [esi + APIC_LVT_timer], eax
305 
        ret
 314 
        ret
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306 
 
 315 
 
307 
; -----------------------------------------
 316 
; -----------------------------------------
- 
 
 317 
; Disable all IRQ
308 
; Disable all IRQ
 318 
align 4
309 
IRQ_mask_all:
 319 
IRQ_mask_all:
310 
        test  dword[APIC], 0xffffffff
 320 
        cmp [irq_mode], IRQ_APIC
- 
 
 321 
        je .APIC
311 
        jnz .APIC
 322 
 
312 
        mov al, 0xFF
 323 
        mov al, 0xFF
313 
        out 0x21, al
 324 
        out 0x21, al
314 
        out 0xA1, al
 325 
        out 0xA1, al
315 
        mov ecx,0x1000
 326 
        mov ecx,0x1000
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329 
        ret
 340 
        ret
Line 330... Line 341...
330 
 
 341 
 
331 
; -----------------------------------------
 342 
; -----------------------------------------
332 
; End Of Interrupt
 343 
; End Of Interrupt
333 
; cl - IRQ number
 344 
; cl - IRQ number
334 
align 16
 345 
align 4
335 
irq_eoi:         ; __fastcall
 346 
irq_eoi:         ; __fastcall
336 
        test  dword[APIC], 0xffffffff
 347 
        cmp [irq_mode], IRQ_APIC
Line 337... Line 348...
337 
        jnz .APIC
 348 
        je .APIC
338 
 
 349 
 
339 
        cmp cl, 8
 350 
        cmp cl, 8
340 
        mov al, 0x20
 351 
        mov al, 0x20
Line 352... Line 363...
352 
; -----------------------------------------
 363 
; -----------------------------------------
353 
; from dll.inc
 364 
; from dll.inc
354 
align 4
 365 
align 4
355 
proc enable_irq stdcall, irq_line:dword
 366 
proc enable_irq stdcall, irq_line:dword
356 
        mov ebx, [irq_line]
 367 
        mov ebx, [irq_line]
357 
        test  dword[APIC], 0xffffffff
 368 
        cmp [irq_mode], IRQ_APIC
358 
        jnz .APIC
 369 
        je .APIC
Line 359... Line 370...
359 
 
 370 
 
360 
        mov edx, 0x21
 371 
        mov edx, 0x21
361 
        cmp ebx, 8
 372 
        cmp ebx, 8
Line 377... Line 388...
377 
        xchg  eax, ebx
 388 
        xchg  eax, ebx
378 
        call  IOAPIC_write
 389 
        call  IOAPIC_write
379 
        ret
 390 
        ret
380 
endp
 391 
endp
Line -... Line 392...
- 
 
 392 
 
- 
 
 393 
align 4
- 
 
 394 
pci_irq_fixup:
- 
 
 395 
 
- 
 
 396 
        push ebp
- 
 
 397 
 
- 
 
 398 
        mov esi, [acpi_dev_data]
- 
 
 399 
        mov ebx, [acpi_dev_size]
- 
 
 400 
 
- 
 
 401 
        lea edi, [esi+ebx]
- 
 
 402 
 
- 
 
 403 
.iterate:
- 
 
 404 
 
- 
 
 405 
        cmp esi, edi
- 
 
 406 
        jae .done
- 
 
 407 
 
- 
 
 408 
        mov eax, [esi]
- 
 
 409 
 
- 
 
 410 
        cmp eax, -1
- 
 
 411 
        je .done
- 
 
 412 
 
- 
 
 413 
        movzx ebx, al
- 
 
 414 
        movzx ebp, ah
- 
 
 415 
 
- 
 
 416 
        stdcall pci_read32, ebp, ebx, 0
- 
 
 417 
 
- 
 
 418 
        cmp eax, [esi+4]
- 
 
 419 
        jne .skip
- 
 
 420 
 
- 
 
 421 
        mov eax, [esi+8]
- 
 
 422 
        stdcall pci_write8, ebp, ebx, 0x3C, eax
- 
 
 423 
.skip:
- 
 
 424 
        add esi, 16
- 
 
 425 
        jmp .iterate
- 
 
 426 
 
- 
 
 427 
.done:
- 
 
 428 
.fail:
- 
 
 429 
        pop ebp
Line 381... Line 430...
381 
 
 430 
        ret
382 
 
 431 
 
383 
 
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