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Rev 3176 Rev 3194
Line 56... Line 56...
56 
;;
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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 58 
 
Line 59... Line 59...
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include 'macros.inc'
 59 
include 'macros.inc'
Line 60... Line 60...
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 60 
 
Line 61... Line 61...
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$Revision: 3176 $
 61 
$Revision: 3194 $
Line 246... Line 246...
246 
 
 246 
 
247 
align 4
 247 
align 4
248 
bios32_entry	dd ?
 248 
bios32_entry	dd ?
Line 249... Line -...
249 
tmp_page_tabs	dd ?
 - 
 
250 
 
 - 
 
251 
;use16
 - 
 
252 
;org $-0x10000
 - 
 
253 
;include "boot/shutdown.inc" ; shutdown or restart
 - 
 
254 
;org $+0x10000
 - 
 
Line 255... Line 249...
255 
 
 249 
tmp_page_tabs	dd ?
256 
use32
 250 
 
257 
 
 251 
 
Line 289... Line 283...
289 
 
 283 
 
290 
	   mov eax, cr3
 284 
	   mov eax, cr3
Line 291... Line 285...
291 
	   mov cr3, eax 	  ; flush TLB
 285 
	   mov cr3, eax 	  ; flush TLB
292 
 
 286 
 
293 
; SAVE REAL MODE VARIABLES
 287 
; SAVE REAL MODE VARIABLES
294 
	mov	ax, [BOOT_VAR + 0x9031]
 - 
 
295 
	mov	[IDEContrRegsBaseAddr], ax
 - 
 
296 
; --------------- APM ---------------------
 - 
 
297 
 
 - 
 
298 
; init selectors
 - 
 
299 
    mov ebx,[BOOT_VAR+0x9040]			; offset of APM entry point
 - 
 
300 
    movzx eax,word [BOOT_VAR+0x9050]	; real-mode segment base address of
 - 
 
301 
						; protected-mode 32-bit code segment
 - 
 
302 
    movzx ecx,word [BOOT_VAR+0x9052]	; real-mode segment base address of
 - 
 
303 
						; protected-mode 16-bit code segment
 - 
 
304 
    movzx edx,word [BOOT_VAR+0x9054]	; real-mode segment base address of
 - 
 
305 
						; protected-mode 16-bit data segment
 - 
 
306 
 
 - 
 
307 
    shl    eax, 4
 - 
 
308 
    mov    [dword apm_code_32 + 2], ax
 - 
 
309 
    shr    eax, 16
 - 
 
310 
    mov    [dword apm_code_32 + 4], al
 - 
 
311 
 
 - 
 
312 
    shl    ecx, 4
 - 
 
313 
    mov    [dword apm_code_16 + 2], cx
 - 
 
314 
    shr    ecx, 16
 - 
 
315 
    mov    [dword apm_code_16 + 4], cl
 - 
 
316 
 
 - 
 
317 
    shl    edx, 4
 - 
 
318 
    mov    [dword apm_data_16 + 2], dx
 - 
 
319 
    shr    edx, 16
 - 
 
320 
    mov    [dword apm_data_16 + 4], dl
 - 
 
321 
 
 - 
 
322 
    mov    dword[apm_entry], ebx
 - 
 
323 
    mov    word [apm_entry + 4], apm_code_32 - gdts
 - 
 
324 
 
 - 
 
325 
    mov    eax, [BOOT_VAR + 0x9044]    ; version & flags
 288 
	xor	eax, eax
- 
 
 289 
	mov	[IDEContrRegsBaseAddr], ax
326 
    mov    [apm_vf], eax
 290 
; -----------------------------------------
327 
; -----------------------------------------
 291 
	inc	eax
328 
	mov	al, [BOOT_VAR+0x901F]		; DMA access
 292 
;        mov     al, [BOOT_VAR+0x901F]           ; DMA access
329 
	mov	[allow_dma_access], al
 293 
	mov	[allow_dma_access], al
330 
	mov	eax, 32 			; << bpp
 294 
	mov	eax, 32 			; << bpp
Line 4377... Line 4341...
4377 
 
 4341 
 
4378 
.epic_fail:
 4342 
.epic_fail:
Line 4379... Line 4343...
4379 
	hlt			; Houston, we've had a problem
 4343 
	hlt			; Houston, we've had a problem
4380 
 
 - 
 
4381 
; --------------- APM ---------------------
 - 
 
4382 
uglobal
 - 
 
4383 
apm_entry	dp	0
 - 
 
Line 4384... Line 4344...
4384 
apm_vf		dd	0
 4344 
 
4385 
endg
 4345 
; --------------- APM ---------------------
4386 
 
 4346 
 
4387 
align 4
 - 
 
4388 
sys_apm:
 - 
 
4389 
	xor	eax,eax
 4347 
align 4
4390 
	cmp	word [apm_vf], ax	; Check APM BIOS enable
 4348 
sys_apm:
4391 
	jne	@f
 4349 
	xor	eax,eax
4392 
	inc	eax
 4350 
	inc	eax
4393 
	or	dword [esp + 44], eax	; error
 4351 
	or	dword [esp + 44], eax	; error
Line 4394... Line -...
4394 
	add	eax,7
 - 
 
4395 
	mov	dword [esp + 32], eax	; 32-bit protected-mode interface not supported
 - 
 
4396 
	ret
 - 
 
4397 
 
 - 
 
4398 
@@:
 - 
 
4399 
;       xchg    eax, ecx
 - 
 
4400 
;       xchg    ebx, ecx
 - 
 
4401 
 
 - 
 
4402 
	cmp	dx, 3
 - 
 
4403 
	ja	@f
 - 
 
4404 
	and	[esp + 44], byte 0xfe	 ; emulate func 0..3 as func 0
 - 
 
4405 
	mov	eax,[apm_vf]
 - 
 
4406 
	mov	[esp + 32], eax
 - 
 
4407 
	shr	eax, 16
 - 
 
4408 
	mov	[esp + 28], eax
 - 
 
4409 
	ret
 - 
 
4410 
 
 - 
 
4411 
@@:
 - 
 
4412 
 
 - 
 
4413 
	mov	esi,[master_tab+(OS_BASE shr 20)]
 - 
 
4414 
	xchg	[master_tab], esi
 - 
 
4415 
	push	esi
 - 
 
4416 
	mov	edi, cr3
 - 
 
4417 
	mov	cr3, edi		;flush TLB
 - 
 
4418 
 
 - 
 
4419 
	call	pword [apm_entry]	;call APM BIOS
 - 
 
4420 
 
 - 
 
4421 
	xchg	eax, [esp]
 - 
 
4422 
	mov	[master_tab], eax
 - 
 
4423 
	mov	eax, cr3
 - 
 
4424 
	mov	cr3, eax
 - 
 
4425 
	pop eax
 - 
 
4426 
 
 - 
 
4427 
	mov	[esp + 4 ], edi
 - 
 
4428 
	mov	[esp + 8], esi
 - 
 
4429 
	mov	[esp + 20], ebx
 - 
 
4430 
	mov	[esp + 24], edx
 - 
 
4431 
	mov	[esp + 28], ecx
 - 
 
4432 
	mov	[esp + 32], eax
 - 
 
4433 
	setc	al
 4352 
	add	eax,7
Line 4434... Line 4353...
4434 
	and	[esp + 44], byte 0xfe
 4353 
	mov	dword [esp + 32], eax	; 32-bit protected-mode interface not supported
Line 4435... Line 4354...
4435 
	or	[esp + 44], al
 4354 
	ret