| 140,6 → 140,10 |
|---|
| cache_ide10 IDE_CACHE |
| cache_ide11 IDE_CACHE |
| ;-------------------------------------- |
| IDE_device_1 rd 2 |
| IDE_device_2 rd 2 |
| IDE_device_3 rd 2 |
| ;-------------------------------------- |
| endg |
| ;----------------------------------------------------------------------------- |
| ; START of initialisation IDE ATA code |
| 295,15 → 299,53 |
|---|
| .check_DRIVE_DATA: |
| mov al, 0 |
| mov ah, [ebx+DRIVE_DATA+1] |
| test ah, 10100000b |
| test ah, 10100000b ; check for ATAPI devices |
| jz @f |
| |
| ;-------------------------------------- |
| .ch1_pio_set_ATAPI: |
| DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
| mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 0 |
| |
| jmp .ch1_pio_set_for_all |
| ;-------------------------------------- |
| .ch1_pio_set_no_devices: |
| DEBUGF 1, "K : IDE CH1 PIO because no devices\n" |
| jmp .ch1_pio_set_for_all |
| ;------------------------------------- |
| .ch1_pio_set: |
| DEBUGF 1, "K : IDE CH1 PIO because device not support UDMA\n" |
| ;------------------------------------- |
| .ch1_pio_set_for_all: |
| mov [ecx+IDE_DATA.dma_hdd_channel_1], al |
| jmp .ch2_check |
| ;-------------------------------------- |
| @@: |
| xor ebx, ebx |
| call calculate_IDE_device_values_storage |
| |
| test ah, 1010000b |
| jz .ch1_pio_set_no_devices |
| |
| test ah, 1000000b |
| jz @f |
| |
| cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
| je .ch1_pio_set |
| |
| cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
| je .ch1_pio_set |
| ;-------------------------------------- |
| @@: |
| test ah, 10000b |
| jz @f |
| |
| add ebx, 2 |
| |
| cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
| je .ch1_pio_set |
| |
| cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
| je .ch1_pio_set |
| ;-------------------------------------- |
| @@: |
| mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4 |
| add dx, 2 ;0x3F6 |
| out dx, al |
| 311,15 → 353,53 |
|---|
| mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 1 |
| ;-------------------------------------- |
| .ch2_check: |
| test ah, 1010b |
| test ah, 1010b ; check for ATAPI devices |
| jz @f |
| |
| ;-------------------------------------- |
| .ch2_pio_set_ATAPI: |
| DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
| mov [ecx+IDE_DATA.dma_hdd_channel_2], byte 0 |
| |
| jmp .ch2_pio_set_for_all |
| ;-------------------------------------- |
| .ch2_pio_set_no_devices: |
| DEBUGF 1, "K : IDE CH2 PIO because no devices\n" |
| jmp .ch2_pio_set_for_all |
| ;-------------------------------------- |
| .ch2_pio_set: |
| DEBUGF 1, "K : IDE CH2 PIO because device not support UDMA\n" |
| ;-------------------------------------- |
| .ch2_pio_set_for_all: |
| mov [ecx+IDE_DATA.dma_hdd_channel_2], al |
| jmp .end_set_interrupts |
| ;-------------------------------------- |
| @@: |
| mov ebx, 4 |
| call calculate_IDE_device_values_storage |
| |
| test ah, 101b |
| jz .ch2_pio_set_no_devices |
| |
| test ah, 100b |
| jz @f |
| |
| cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
| je .ch2_pio_set |
| |
| cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
| je .ch2_pio_set |
| ;-------------------------------------- |
| @@: |
| test ah, 1b |
| jz @f |
| |
| add ebx, 2 |
| |
| cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al |
| je .ch2_pio_set |
| |
| cmp [ebx+IDE_DEVICE.UDMA_set_mode], al |
| je .ch2_pio_set |
| ;-------------------------------------- |
| @@: |
| mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374 |
| add dx, 2 ;0x376 |
| out dx, al |
| 350,6 → 430,16 |
|---|
| call boot_log |
| include 'sear_par.inc' |
| ;----------------------------------------------------------------------------- |
| mov esi, boot_init_sys |
| call boot_log |
| call Parser_params |
| |
| if ~ defined extended_primary_loader |
| ; ramdisk image should be loaded by extended primary loader if it exists |
| ; READ RAMDISK IMAGE FROM HD |
| include '../boot/rdload.inc' |
| end if |
| ;----------------------------------------------------------------------------- |
| mov ecx, IDE_controller_1 |
| mov [IDE_controller_pointer], ecx |
| call Init_IDE_ATA_controller_2 |