forked from KolibriOS/kolibrios
kernel: don't use ramdisk if asked.
The blue screen is not aware of this option. git-svn-id: svn://kolibrios.org@8089 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -287,13 +287,13 @@ else
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; \end{diamond}[02.12.2005]
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; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source disk
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; (see comment to BOOT_LO.bx_from_load and loader_doc.txt)
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mov word [es:BOOT_LO.bx_from_load], 'r1' ; default value: /rd/1
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; (see comment to BOOT_LO.sys_disk and loader_doc.txt)
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mov word [es:BOOT_LO.sys_disk], 'r1' ; default value: /rd/1
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cmp cx, 'HA'
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jnz no_hd_load
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cmp dx, 'RD'
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jnz no_hd_load
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mov [es:BOOT_LO.bx_from_load], bx
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mov [es:BOOT_LO.sys_disk], bx
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no_hd_load:
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; set up stack
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@ -971,14 +971,14 @@ end if
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mov al, [preboot_device]
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dec al
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mov [es:BOOT_LO.dev], al
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mov [es:BOOT_LO.rd_load_from], al
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; GET MEMORY MAP
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include '../detect/biosmem.inc'
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; READ DISKETTE TO MEMORY
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cmp byte [es:BOOT_LO.dev], 0
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cmp byte [es:BOOT_LO.rd_load_from], RD_LOAD_FROM_FLOPPY
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jne no_sys_on_floppy
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mov si, diskload
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call print
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@ -1305,7 +1305,7 @@ no_sys_on_floppy:
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out dx, al
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if defined extended_primary_loader
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cmp [es:BOOT_LO.dev], 1
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cmp [es:BOOT_LO.rd_load_from], RD_LOAD_FROM_HD
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jne no_sys_from_primary
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; load kolibri.img using callback from primary loader
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and word [movedesc + 24 + 2], 0
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@ -26,9 +26,9 @@ preboot_gprobe db 0 ; probe vesa3 videomodes (1-no, 2-yes)
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preboot_debug db 0 ; load kernel in debug mode? (1-yes, 2-no)
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preboot_launcher db 0 ; start launcher after kernel is loaded? (1-yes, 2-no)
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preboot_dma db 0 ; use DMA for access to HDD (1-always, 2-only for read, 3-never)
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preboot_device db 0 ; boot device
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; (1-floppy 2-harddisk 3-kernel restart 4-format ram disk)
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;!!!! 0 - autodetect !!!!
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preboot_device db 0 ; device to load ramdisk from
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; 0-floppy 1-harddisk 2-kernel restart
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; 3-format ram disk 4-don't use ramdisk
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preboot_biosdisk db 0 ; use V86 to access disks through BIOS (1-yes, 2-no)
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if defined extended_primary_loader
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; timeout in 1/18th of second for config settings screen
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@ -11,7 +11,7 @@ $Revision$
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read_ramdisk:
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; READ RAMDISK IMAGE FROM HD (only for IDE0, IDE1, IDE2, IDE3)
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cmp byte [BOOT.dev], 1
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cmp byte [BOOT.rd_load_from], RD_LOAD_FROM_HD
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jne no_sys_on_hd.1
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xor ebp, ebp
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@ -112,7 +112,7 @@ no_sys_on_hd:
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DEBUGF 1, "K : RD not found\n"
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.1:
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; test_to_format_ram_disk (need if not using ram disk)
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cmp byte [BOOT.dev], 3
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cmp byte [BOOT.rd_load_from], RD_LOAD_FROM_FORMAT
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jne not_format_ram_disk
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; format_ram_disk
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mov edi, RAMDISK
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@ -232,7 +232,7 @@ main:
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mov word[esi + BOOT_LO.apm_code_16], 0
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mov word[esi + BOOT_LO.apm_data_16], 0
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mov byte[esi + BOOT_LO.bios_hd_cnt], 0
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mov word[esi + BOOT_LO.bx_from_load], 'r1' ; boot from /rd/1
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mov word[esi + BOOT_LO.sys_disk], 'r1' ; boot from /rd/1
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lgdt [cs:GDTR]
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@ -683,6 +683,12 @@ struct e820entry
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type dd ?
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ends
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RD_LOAD_FROM_FLOPPY = 0
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RD_LOAD_FROM_HD = 1
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RD_LOAD_FROM_MEMORY = 2
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RD_LOAD_FROM_FORMAT = 3
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RD_LOAD_FROM_NONE = 4
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struct boot_data
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bpp db ? ; bits per pixel
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pitch dw ? ; scanline length
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@ -710,13 +716,10 @@ struct boot_data
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apm_code_32 dw ?
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apm_code_16 dw ?
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apm_data_16 dw ?
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dev db ?
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rd_load_from db ? ; Device to load ramdisk from, RD_LOAD_FROM_*
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db ?
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kernel_restart dw ?
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bx_from_load dw ?
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; low byte: a,b,c,d -- hdX, r -- rdX
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; high byte: symbol 'X' as in the line above, e.g. '1', not 1
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; see loader_doc.txt for details
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sys_disk dw ? ; Device to mount on /sys/, see loader_doc.txt for details
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acpi_rsdp dd ?
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rb 0x1f
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bios_hd_cnt db ? ; number of BIOS hard disks
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@ -28,7 +28,7 @@ proc Parser_params
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locals
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buff rb 4 ; for test cd
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endl
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mov ax, [BOOT.bx_from_load]
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mov ax, [BOOT.sys_disk]
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mov ecx, sysdir_path
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mov [ecx-64], dword 'sys'
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mov [ecx-2], byte 3
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@ -697,12 +697,11 @@ endg
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call PIT_init
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; Register ramdisk file system
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cmp byte [BOOT.dev], 1
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cmp [BOOT.rd_load_from], RD_LOAD_FROM_HD ; will be loaded later
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je @f
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mov esi, boot_initramdisk
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call boot_log
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call ramdisk_init
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cmp [BOOT.rd_load_from], RD_LOAD_FROM_NONE
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je @f
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call register_ramdisk
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;--------------------------------------
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@@:
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mov esi, boot_initapic
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@ -794,7 +793,7 @@ include 'detect/dev_fd.inc'
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include 'detect/init_ata.inc'
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;-----------------------------------------------------------------------------
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if 0
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mov ax, [BOOT.bx_from_load]
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mov ax, [BOOT.sys_disk]
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cmp ax, 'r1'; if using not ram disk, then load librares and parameters {SPraid.simba}
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je no_lib_load
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