| /kernel/trunk/blkdev/hd_drv.inc |
|---|
| 1174,9 → 1174,9 |
| ;----------------------------------------------------------------------------- |
| uglobal |
| align 4 |
| IDEContrProgrammingInterface dd ? |
| IDE_Interrupt dw ? |
| IDEContrRegsBaseAddr dw ? |
| IDEContrProgrammingInterface dw ? |
| IDE_BAR0_val dw ? |
| IDE_BAR1_val dw ? |
| IDE_BAR2_val dw ? |
| /kernel/trunk/boot/bootcode.inc |
|---|
| 401,129 → 401,7 |
| push 0 |
| pop es |
| xor ax, ax |
| and word [es:BOOT_IDE_BASE_ADDR], ax ;0 |
| and word [es:BOOT_IDE_BAR0_16], ax ;0 |
| and word [es:BOOT_IDE_BAR1_16], ax ;0 |
| and word [es:BOOT_IDE_BAR2_16], ax ;0 |
| and word [es:BOOT_IDE_BAR3_16], ax ;0 |
| ; \begin{Mario79} |
| ; find HDD IDE DMA PCI device |
| ; check for PCI BIOS |
| mov ax, 0xB101 |
| int 0x1A |
| jc .nopci |
| cmp edx, 'PCI ' |
| jnz .nopci |
| ; find PCI class code |
| ; class 1 = mass storage |
| ; subclass 1 = IDE controller |
| ; a) class 1, subclass 1, programming interface 0x80 |
| ; This is a Parallel IDE Controller which uses IRQs 14 and 15. |
| mov ax, 0xB103 |
| mov ecx, 1*10000h + 1*100h + 0x80 |
| mov [es:BOOT_IDE_PI_16], cx |
| xor si, si ; device index = 0 |
| int 0x1A |
| jnc .found_1 ; Parallel IDE Controller |
| ; b) class 1, subclass 1, programming interface 0x8f |
| mov ax, 0xB103 |
| mov ecx, 1*10000h + 1*100h + 0x8f |
| mov [es:BOOT_IDE_PI_16], cx |
| xor si, si ; device index = 0 |
| int 0x1A |
| jnc .found_1 |
| ; c) class 1, subclass 1, programming interface 0x85 |
| mov ax, 0xB103 |
| mov ecx, 1*10000h + 1*100h + 0x85 |
| mov [es:BOOT_IDE_PI_16], cx |
| xor si, si ; device index = 0 |
| int 0x1A |
| jnc .found_1 |
| ; d) class 1, subclass 1, programming interface 0x8A |
| ; This is a Parallel IDE Controller which uses IRQs 14 and 15. |
| mov ax, 0xB103 |
| mov ecx, 1*10000h + 1*100h + 0x8A |
| mov [es:BOOT_IDE_PI_16], cx |
| xor si, si ; device index = 0 |
| int 0x1A |
| jnc .found_1 ; Parallel IDE Controller |
| ; Controller not found! |
| xor ax, ax |
| mov [es:BOOT_IDE_PI_16], ax |
| jmp .nopci |
| ;-------------------------------------- |
| .found_1: |
| ; get memory base BAR4 |
| mov ax, 0xB10A |
| mov di, 0x20 ; memory base is config register at 0x20 |
| push cx |
| int 0x1A |
| jc .no_BAR4 ;.nopci |
| and cx, 0xFFFC ; clear address decode type |
| mov [es:BOOT_IDE_BASE_ADDR], cx |
| .no_BAR4: |
| pop cx |
| ;-------------------------------------- |
| .found: |
| ; get Interrupt Line |
| mov ax, 0xB10A |
| mov di, 0x3c ; memory base is config register at 0x3c |
| push cx |
| int 0x1A |
| jc .no_Interrupt ;.nopci |
| mov [es:BOOT_IDE_INTERR_16], cx |
| .no_Interrupt: |
| pop cx |
| ;-------------------------------------- |
| ; get memory base BAR0 |
| mov ax, 0xB10A |
| mov di, 0x10 ; memory base is config register at 0x10 |
| push cx |
| int 0x1A |
| jc .no_BAR0 ;.nopci |
| mov [es:BOOT_IDE_BAR0_16], cx |
| .no_BAR0: |
| pop cx |
| ;-------------------------------------- |
| ; get memory base BAR1 |
| mov ax, 0xB10A |
| mov di, 0x14 ; memory base is config register at 0x14 |
| push cx |
| int 0x1A |
| jc .no_BAR1 ;.nopci |
| mov [es:BOOT_IDE_BAR1_16], cx |
| .no_BAR1: |
| pop cx |
| ;-------------------------------------- |
| ; get memory base BAR2 |
| mov ax, 0xB10A |
| mov di, 0x18 ; memory base is config register at 0x18 |
| push cx |
| int 0x1A |
| jc .no_BAR2 ;.nopci |
| mov [es:BOOT_IDE_BAR2_16], cx |
| .no_BAR2: |
| pop cx |
| ;-------------------------------------- |
| ; get memory base BAR3 |
| mov ax, 0xB10A |
| mov di, 0x1C ; memory base is config register at 0x1c |
| push cx |
| int 0x1A |
| jc .no_BAR3 ;.nopci |
| mov [es:BOOT_IDE_BAR3_16], cx |
| .no_BAR3: |
| pop cx |
| ;-------------------------------------- |
| .nopci: |
| ; \end{Mario79} |
| mov al, 0xf6 ; Сброс клавиатуры, разрешить сканирование |
| out 0x60, al |
| xor cx, cx |
| /kernel/trunk/const.inc |
|---|
| 302,7 → 302,7 |
| BOOT_DMA equ 0x901F ; |
| BOOT_PCI_DATA equ 0x9020 ;8bytes pci data |
| BOOT_VRR equ 0x9030 ;byte VRR start enabled 1, 2-no |
| BOOT_IDE_BASE_ADDR equ 0x9031 ;word IDEContrRegsBaseAddr |
| ;BOOT_IDE_BASE_ADDR equ 0x9031 ;word IDEContrRegsBaseAddr ; now free and is not used |
| BOOT_MEM_AMOUNT equ 0x9034 ;dword memory amount |
| BOOT_APM_ENTRY equ 0x9040 |
| 311,12 → 311,12 |
| BOOT_APM_CODE_32 equ 0x9050 |
| BOOT_APM_CODE_16 equ 0x9052 |
| BOOT_APM_DATA_16 equ 0x9054 |
| BOOT_IDE_BAR0_16 equ 0x9056 |
| BOOT_IDE_BAR1_16 equ 0x9058 |
| BOOT_IDE_BAR2_16 equ 0x905A |
| BOOT_IDE_BAR3_16 equ 0x905C |
| BOOT_IDE_PI_16 equ 0x905E |
| BOOT_IDE_INTERR_16 equ 0x9060 |
| ;BOOT_IDE_BAR0_16 equ 0x9056 ; now free and is not used |
| ;BOOT_IDE_BAR1_16 equ 0x9058 ; now free and is not used |
| ;BOOT_IDE_BAR2_16 equ 0x905A ; now free and is not used |
| ;BOOT_IDE_BAR3_16 equ 0x905C ; now free and is not used |
| ;BOOT_IDE_PI_16 equ 0x905E ; now free and is not used |
| ;BOOT_IDE_INTERR_16 equ 0x9060 ; now free and is not used |
| TMP_FILE_NAME equ 0 |
| TMP_CMD_LINE equ 1024 |
| /kernel/trunk/detect/dev_hdcd.inc |
|---|
| 85,19 → 85,44 |
| xor eax, eax |
| mov ax, [Sector512+64*2] |
| DEBUGF 1, "K : PIO mode %x\n", eax |
| DEBUGF 1, "K : PIO mode possible modes %x\n", al |
| mov ax, [Sector512+51*2] |
| mov al, ah |
| call convert_Sector512_value |
| DEBUGF 1, "K : PIO mode set mode %x\n", ah |
| mov ax, [Sector512+63*2] |
| DEBUGF 1, "K : Multiword DMA mode %x\n", eax |
| DEBUGF 1, "K : Multiword DMA possible modes %x\n", al |
| mov al, ah |
| call convert_Sector512_value |
| DEBUGF 1, "K : Multiword DMA set mode %x\n", ah |
| mov ax, [Sector512+88*2] |
| DEBUGF 1, "K : Ultra DMA mode %x\n", eax |
| DEBUGF 1, "K : Ultra DMA possible modes %x\n", al |
| mov al, ah |
| call convert_Sector512_value |
| DEBUGF 1, "K : Ultra DMA set mode %x\n", ah |
| FindHDD_2_2: |
| ret |
| ;----------------------------------------------------------------------------- |
| FindHDD_3: |
| call FindHDD_1 |
| shl byte [DRIVE_DATA+1], 2 |
| ret |
| ;----------------------------------------------------------------------------- |
| convert_Sector512_value: |
| mov ecx, 8 |
| xor ah, ah |
| @@: |
| test al, 1b |
| jnz .end |
| shr al, 1 |
| inc ah |
| loop @b |
| xor ah, ah |
| .end: |
| ret |
| ;----------------------------------------------------------------------------- |
| ; Адрес считываемого сектора в режиме LBA |
| uglobal |
| SectorAddress DD ? |
| /kernel/trunk/detect/init_ata.inc |
|---|
| 0,0 → 1,267 |
| ;----------------------------------------------------------------------------- |
| ; find the IDE controller in the device list |
| ;----------------------------------------------------------------------------- |
| mov esi, pcidev_list |
| .loop: |
| mov esi, [esi+PCIDEV.fd] |
| cmp esi, pcidev_list |
| jz .done |
| mov eax, [esi+PCIDEV.class] |
| shr eax, 4 |
| cmp eax, 0x01018 |
| jnz .loop |
| .found: |
| mov eax, [esi+PCIDEV.class] |
| DEBUGF 1, 'K : IDE controller programming interface %x\n', eax |
| mov [IDEContrProgrammingInterface], eax |
| mov ah, [esi+PCIDEV.bus] |
| mov al, 2 |
| mov bh, [esi+PCIDEV.devfn] |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x10 |
| push eax |
| call pci_read_reg |
| and eax, 0xFFFC |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .show_BAR0 |
| @@: |
| mov ax, 0x1F0 |
| .show_BAR0: |
| DEBUGF 1, 'K : BAR0 IDE base addr %x\n', ax |
| mov [StandardATABases], ax |
| mov [hd_address_table], eax |
| mov [hd_address_table+8], eax |
| mov [IDE_BAR0_val], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x14 |
| push eax |
| call pci_read_reg |
| and eax, 0xFFFC |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .show_BAR1 |
| @@: |
| mov ax, 0x3F4 |
| .show_BAR1: |
| DEBUGF 1, 'K : BAR1 IDE base addr %x\n', ax |
| mov [IDE_BAR1_val], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x18 |
| push eax |
| call pci_read_reg |
| and eax, 0xFFFC |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .show_BAR2 |
| @@: |
| mov ax, 0x170 |
| .show_BAR2: |
| DEBUGF 1, 'K : BAR2 IDE base addr %x\n', ax |
| mov [StandardATABases+2], ax |
| mov [hd_address_table+16], eax |
| mov [hd_address_table+24], eax |
| mov [IDE_BAR2_val], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x1C |
| push eax |
| call pci_read_reg |
| and eax, 0xFFFC |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .show_BAR3 |
| @@: |
| mov ax, 0x374 |
| .show_BAR3: |
| DEBUGF 1, 'K : BAR3 IDE base addr %x\n', ax |
| mov [IDE_BAR3_val], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x20 |
| push eax |
| call pci_read_reg |
| and eax, 0xFFFC |
| DEBUGF 1, 'K : BAR4 IDE controller register base addr %x\n', ax |
| mov [IDEContrRegsBaseAddr], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| mov bl, 0x3C |
| push eax |
| call pci_read_reg |
| and eax, 0xFF |
| DEBUGF 1, 'K : IDE Interrupt %x\n', al |
| mov [IDE_Interrupt], ax |
| pop eax |
| ;----------------------------------------------------------------------------- |
| .done: |
| ;----------------------------------------------------------------------------- |
| ; START of initialisation IDE ATA code |
| ;----------------------------------------------------------------------------- |
| cmp [IDEContrProgrammingInterface], 0 |
| je set_interrupts_for_IDE_controllers.continue |
| mov esi, boot_disabling_ide |
| call boot_log |
| ;-------------------------------------- |
| ; Disable IDE interrupts, because the search |
| ; for IDE partitions is in the PIO mode. |
| ;-------------------------------------- |
| .disable_IDE_interrupt: |
| ; Disable interrupts in IDE controller for PIO |
| mov al, 2 |
| mov dx, [IDE_BAR1_val] ;0x3F4 |
| add dx, 2 ;0x3F6 |
| out dx, al |
| mov dx, [IDE_BAR3_val] ;0x374 |
| 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_detecthdcd |
| call boot_log |
| include 'detect/dev_hdcd.inc' |
| mov esi, boot_getcache |
| call boot_log |
| include 'detect/getcache.inc' |
| 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] |
| ;----------------------------------------------------------------------------- |
| ; set interrupts for IDE Controller |
| ;----------------------------------------------------------------------------- |
| mov esi, boot_set_int_IDE |
| call boot_log |
| set_interrupts_for_IDE_controllers: |
| mov eax, [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 |
| ;----------------------------------------------------------------------------- |
| Property changes: |
| Added: svn:eol-style |
| +native |
| \ No newline at end of property |
| /kernel/trunk/kernel.asm |
|---|
| 372,75 → 372,6 |
| ;----------------------------------------------------------------------------- |
| ; SAVE REAL MODE VARIABLES |
| ;----------------------------------------------------------------------------- |
| save_variables_IDE_controller: |
| xor eax, eax |
| mov ax, [BOOT_VARS + BOOT_IDE_INTERR_16] |
| mov [IDE_Interrupt], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_PI_16] |
| mov [IDEContrProgrammingInterface], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_BASE_ADDR] |
| mov [IDEContrRegsBaseAddr], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_BAR0_16] |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .no_PATA_BAR0 |
| @@: |
| mov ax, 0x1F0 |
| jmp @f |
| .no_PATA_BAR0: |
| and ax, 0xFFFC |
| @@: |
| mov [StandardATABases], ax |
| mov [hd_address_table], eax |
| mov [hd_address_table+8], eax |
| mov [IDE_BAR0_val], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_BAR1_16] |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .no_PATA_BAR1 |
| @@: |
| mov ax, 0x3F4 |
| jmp @f |
| .no_PATA_BAR1: |
| and ax, 0xFFFC |
| @@: |
| mov [IDE_BAR1_val], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_BAR2_16] |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .no_PATA_BAR2 |
| @@: |
| mov ax, 0x170 |
| jmp @f |
| .no_PATA_BAR2: |
| and ax, 0xFFFC |
| @@: |
| mov [StandardATABases+2], ax |
| mov [hd_address_table+16], eax |
| mov [hd_address_table+24], eax |
| mov [IDE_BAR2_val], ax |
| ;-------------------------------------- |
| mov ax, [BOOT_VARS + BOOT_IDE_BAR3_16] |
| cmp ax, 0 |
| je @f |
| cmp ax, 1 |
| jne .no_PATA_BAR3 |
| @@: |
| mov ax, 0x374 |
| jmp @f |
| .no_PATA_BAR3: |
| and ax, 0xFFFC |
| @@: |
| mov [IDE_BAR3_val], ax |
| ; --------------- APM --------------------- |
| ; init selectors |
| 797,168 → 728,15 |
| call boot_log |
| include 'detect/dev_fd.inc' |
| ;----------------------------------------------------------------------------- |
| ; START of initialisation IDE ATA code |
| ; create pci-devices list |
| ;----------------------------------------------------------------------------- |
| cmp [IDEContrProgrammingInterface], 0 |
| je set_interrupts_for_IDE_controllers.continue |
| mov esi, boot_disabling_ide |
| call boot_log |
| ;-------------------------------------- |
| ; Disable IDE interrupts, because the search |
| ; for IDE partitions is in the PIO mode. |
| ;-------------------------------------- |
| .disable_IDE_interrupt: |
| ; Disable interrupts in IDE controller for PIO |
| mov al, 2 |
| mov dx, [IDE_BAR1_val] ;0x3F4 |
| add dx, 2 ;0x3F6 |
| out dx, al |
| mov dx, [IDE_BAR3_val] ;0x374 |
| 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 [pci_access_enabled], 1 |
| call pci_enum |
| ;----------------------------------------------------------------------------- |
| mov esi, boot_detecthdcd |
| call boot_log |
| include 'detect/dev_hdcd.inc' |
| mov esi, boot_getcache |
| call boot_log |
| include 'detect/getcache.inc' |
| mov esi, boot_detectpart |
| call boot_log |
| include 'detect/sear_par.inc' |
| ; initialisation IDE ATA code |
| ;----------------------------------------------------------------------------- |
| 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/init_ata.inc' |
| ;----------------------------------------------------------------------------- |
| 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] |
| ;----------------------------------------------------------------------------- |
| ; 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 |
| 1022,8 → 800,6 |
| ; mov esi, boot_devices |
| ; call boot_log |
| mov [pci_access_enabled], 1 |
| call pci_enum |
| call clear_pci_ide_interrupts |
| include "detect/vortex86.inc" ; Vortex86 SoC detection code |