776,7 → 776,29 |
call unmask_timer |
stdcall enable_irq, 2 ; @#$%! PIC |
stdcall enable_irq, 13 ; co-processor |
|
;----------------------------------------------------------------------------- |
; show SVN version of kernel on the message board |
;----------------------------------------------------------------------------- |
mov eax, [version_inf.rev] |
DEBUGF 1, "K : kernel SVN r%d\n", eax |
;----------------------------------------------------------------------------- |
; show CPU count on the message board |
;----------------------------------------------------------------------------- |
mov eax, [cpu_count] |
test eax, eax |
jnz @F |
mov al, 1 ; at least one CPU |
@@: |
DEBUGF 1, "K : %d CPU detected\n", eax |
;----------------------------------------------------------------------------- |
; detect Floppy drives |
;----------------------------------------------------------------------------- |
mov esi, boot_detectfloppy |
call boot_log |
include 'detect/dev_fd.inc' |
;----------------------------------------------------------------------------- |
; START of initialisation IDE ATA code |
;----------------------------------------------------------------------------- |
cmp [IDEContrProgrammingInterface], 0 |
je @f |
|
796,14 → 818,15 |
add dx, 2 ;0x376 |
out dx, al |
@@: |
; show base variables of IDE controller |
DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4 |
DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4 |
DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4 |
DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4 |
DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4 |
DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4 |
DEBUGF 1, "K : IDE_Interrupt %x \n", [IDE_Interrupt]:4 |
;----------------------------------------------------------------------------- |
;!!!!!!!!!!!!!!!!!!!!!!!!!! |
; mov esi, boot_detectdisks |
; call boot_log |
;include 'detect/disks.inc' |
mov esi, boot_detectfloppy |
call boot_log |
include 'detect/dev_fd.inc' |
mov esi, boot_detecthdcd |
call boot_log |
include 'detect/dev_hdcd.inc' |
813,8 → 836,132 |
mov esi, boot_detectpart |
call boot_log |
include 'detect/sear_par.inc' |
;!!!!!!!!!!!!!!!!!!!!!!!!!! |
;----------------------------------------------------------------------------- |
mov dx, [IDEContrRegsBaseAddr] |
; test whether it is our interrupt? |
add dx, 2 |
in al, dx |
test al, 100b |
jz @f |
; clear Bus Master IDE Status register |
; clear Interrupt bit |
out dx, al |
@@: |
add dx, 8 |
; test whether it is our interrupt? |
in al, dx |
test al, 100b |
jz @f |
; clear Bus Master IDE Status register |
; clear Interrupt bit |
out dx, al |
@@: |
; read status register and remove the interrupt request |
mov dx, [IDE_BAR0_val] ;0x1F0 |
add dx, 0x7 ;0x1F7 |
in al, dx |
mov dx, [IDE_BAR2_val] ;0x170 |
add dx, 0x7 ;0x177 |
in al, dx |
;----------------------------------------------------------------------------- |
push eax edx |
mov dx, [IDEContrRegsBaseAddr] |
xor eax, eax |
add dx, 2 |
in al, dx |
DEBUGF 1, "K : Primary Bus Master IDE Status Register %x\n", eax |
|
add dx, 8 |
in al, dx |
DEBUGF 1, "K : Secondary Bus Master IDE Status Register %x\n", eax |
pop edx eax |
|
cmp [IDEContrRegsBaseAddr], 0 |
setnz [dma_hdd] |
|
cmp [IDEContrProgrammingInterface], 0 |
je set_interrupts_for_IDE_controllers.continue |
;----------------------------------------------------------------------------- |
; set interrupts for IDE Controller |
;----------------------------------------------------------------------------- |
mov esi, boot_set_int_IDE |
call boot_log |
set_interrupts_for_IDE_controllers: |
mov ax, [IDEContrProgrammingInterface] |
cmp ax, 0x0180 |
je .pata_ide |
|
cmp ax, 0x018a |
jne .sata_ide |
;-------------------------------------- |
.pata_ide: |
cmp [IDEContrRegsBaseAddr], 0 |
je .end_set_interrupts |
|
stdcall attach_int_handler, 14, IDE_irq_14_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ14 return code %x\n", eax |
stdcall attach_int_handler, 15, IDE_irq_15_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ15 return code %x\n", eax |
jmp .enable_IDE_interrupt |
;-------------------------------------- |
.sata_ide: |
cmp ax, 0x0185 |
je .sata_ide_1 |
|
cmp ax, 0x018f |
jne .end_set_interrupts |
;-------------------------------------- |
.sata_ide_1: |
cmp [IDEContrRegsBaseAddr], 0 |
je .end_set_interrupts |
|
mov ax, [IDE_Interrupt] |
movzx eax, al |
stdcall attach_int_handler, eax, IDE_common_irq_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [IDE_Interrupt]:1, eax |
;-------------------------------------- |
.enable_IDE_interrupt: |
mov esi, boot_enabling_ide |
call boot_log |
; Enable interrupts in IDE controller for DMA |
mov al, 0 |
mov ah, [DRIVE_DATA+1] |
test ah, 10100000b |
jz @f |
|
DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
jmp .ch2_check |
@@: |
mov dx, [IDE_BAR1_val] ;0x3F4 |
add dx, 2 ;0x3F6 |
out dx, al |
DEBUGF 1, "K : IDE CH1 DMA enabled\n" |
.ch2_check: |
test ah, 1010b |
jz @f |
|
DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
jmp .end_set_interrupts |
@@: |
mov dx, [IDE_BAR3_val] ;0x374 |
add dx, 2 ;0x376 |
out dx, al |
DEBUGF 1, "K : IDE CH2 DMA enabled\n" |
;-------------------------------------- |
.end_set_interrupts: |
;----------------------------------------------------------------------------- |
cmp [dma_hdd], 0 |
je .print_pio |
.print_dma: |
DEBUGF 1, "K : IDE DMA mode\n" |
jmp .continue |
|
.print_pio: |
DEBUGF 1, "K : IDE PIO mode\n" |
.continue: |
;----------------------------------------------------------------------------- |
; END of initialisation IDE ATA code |
;----------------------------------------------------------------------------- |
mov esi, boot_init_sys |
call boot_log |
call Parser_params |
827,7 → 974,6 |
include 'boot/rdload.inc' |
;!!!!!!!!!!!!!!!!!!!!!!! |
end if |
; mov [dma_hdd],1 |
|
if 0 |
mov ax, [OS_BASE+0x10000+bx_from_load] |
881,34 → 1027,7 |
|
mov [pci_access_enabled], 1 |
call pci_enum |
;----------------------------------------------------------------------------- |
mov dx, [IDEContrRegsBaseAddr] |
; test whether it is our interrupt? |
add dx, 2 |
in al, dx |
test al, 100b |
jz @f |
; clear Bus Master IDE Status register |
; clear Interrupt bit |
out dx, al |
@@: |
add dx, 8 |
; test whether it is our interrupt? |
in al, dx |
test al, 100b |
jz @f |
; clear Bus Master IDE Status register |
; clear Interrupt bit |
out dx, al |
@@: |
; read status register and remove the interrupt request |
mov dx, [IDE_BAR0_val] ;0x1F0 |
add dx, 0x7 ;0x1F7 |
in al, dx |
mov dx, [IDE_BAR2_val] ;0x170 |
add dx, 0x7 ;0x177 |
in al, dx |
;----------------------------------------------------------------------------- |
|
include "detect/vortex86.inc" ; Vortex86 SoC detection code |
|
stdcall load_driver, szVidintel |
1126,25 → 1245,6 |
out dx, al |
|
end if |
|
mov eax, [version_inf.rev] |
DEBUGF 1, "K : kernel SVN r%d\n", eax |
|
mov eax, [cpu_count] |
test eax, eax |
jnz @F |
mov al, 1 ; at least one CPU |
@@: |
DEBUGF 1, "K : %d CPU detected\n", eax |
|
DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4 |
DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4 |
DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4 |
DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4 |
DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4 |
DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4 |
DEBUGF 1, "K : IDE_Interrupt %x \n", [IDE_Interrupt]:4 |
|
; START MULTITASKING |
|
; A 'All set - press ESC to start' messages if need |
1157,102 → 1257,6 |
jne .bll1 |
end if |
|
push eax edx |
mov dx, [IDEContrRegsBaseAddr] |
xor eax, eax |
add dx, 2 |
in al, dx |
DEBUGF 1, "K : Primary Bus Master IDE Status Register %x\n", eax |
|
add dx, 8 |
in al, dx |
DEBUGF 1, "K : Secondary Bus Master IDE Status Register %x\n", eax |
pop edx eax |
|
cmp [IDEContrRegsBaseAddr], 0 |
setnz [dma_hdd] |
|
cmp [IDEContrProgrammingInterface], 0 |
je set_interrupts_for_IDE_controllers.continue |
;----------------------------------------------------------------------------- |
; set interrupts for IDE Controller |
;----------------------------------------------------------------------------- |
mov esi, boot_set_int_IDE |
call boot_log |
set_interrupts_for_IDE_controllers: |
mov ax, [IDEContrProgrammingInterface] |
cmp ax, 0x0180 |
je .pata_ide |
|
cmp ax, 0x018a |
jne .sata_ide |
;-------------------------------------- |
.pata_ide: |
cmp [IDEContrRegsBaseAddr], 0 |
je .end_set_interrupts |
|
stdcall attach_int_handler, 14, IDE_irq_14_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ14 return code %x\n", eax |
stdcall attach_int_handler, 15, IDE_irq_15_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ15 return code %x\n", eax |
jmp .enable_IDE_interrupt |
;-------------------------------------- |
.sata_ide: |
cmp ax, 0x0185 |
je .sata_ide_1 |
|
cmp ax, 0x018f |
jne .end_set_interrupts |
;-------------------------------------- |
.sata_ide_1: |
cmp [IDEContrRegsBaseAddr], 0 |
je .end_set_interrupts |
|
mov ax, [IDE_Interrupt] |
movzx eax, al |
stdcall attach_int_handler, eax, IDE_common_irq_handler, 0 |
DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [IDE_Interrupt]:1, eax |
;-------------------------------------- |
.enable_IDE_interrupt: |
mov esi, boot_enabling_ide |
call boot_log |
; Enable interrupts in IDE controller for DMA |
mov al, 0 |
mov ah, [DRIVE_DATA+1] |
test ah, 10100000b |
jz @f |
|
DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
jmp .ch2_check |
@@: |
mov dx, [IDE_BAR1_val] ;0x3F4 |
add dx, 2 ;0x3F6 |
out dx, al |
DEBUGF 1, "K : IDE CH1 DMA enabled\n" |
.ch2_check: |
test ah, 1010b |
jz @f |
|
DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
jmp .end_set_interrupts |
@@: |
mov dx, [IDE_BAR3_val] ;0x374 |
add dx, 2 ;0x376 |
out dx, al |
DEBUGF 1, "K : IDE CH2 DMA enabled\n" |
;-------------------------------------- |
.end_set_interrupts: |
;----------------------------------------------------------------------------- |
cmp [dma_hdd], 0 |
je .print_pio |
.print_dma: |
DEBUGF 1, "K : IDE DMA mode\n" |
jmp .continue |
|
.print_pio: |
DEBUGF 1, "K : IDE PIO mode\n" |
.continue: |
|
mov [timer_ticks_enable], 1 ; for cd driver |
|
sti |