Linux KerneL CompiLe Guide: �� ȯ��

4. �� ȯ��

�� IBM PC ��Ÿ�� ý�� Ϲ� ��ڸ� �� ȯ�� մϴ�. �� ý��̳� �� ӽ�� ִٸ� �ѱ� �� Ʈ �� Ȩ�� ã�ư� ��ϴ�.

4.1 �̸� �˰� �� ͵�

�� ȯ�� ϵ�� صӴϴ�. �� ī��, ��Ʈ��ũ ��̽� �� IRQ, I/O port, DMA addreSS, �׸�� ī�� ġ�� Ư�� ˰� �־�� մϴ�.

�� ý��ۿ� � ��ġ�� Ĩ�� ִ�� ˾ƺ�� /proc/pci, /proc/sound, /proc/scsi/scsi �� �ϴ�. �� ִ� �� ڽ��Դϴ�. PCI �� ϴ� Ĩ�°� ��ġ �� Ȯ�� ֽ��ϴ�:

 # cat /proc/pci 
PCI devices found:
Bus  0, device   0, function  0:
  Host bridge: VIA Technologies VT 82C598 Apollo MVP3 (rev 4).
    Medium devsel. Fast back-to-back capable. Master Capable. Latency=16. 
    Prefetchable 32 bit memory at 0xe0000000 [0xe0000008].
Bus  0, device   1, function  0:
  PCI bridge: VIA Technologies VT 82C598 Apollo MVP3 AGP (rev 0).
    Medium devsel. Master Capable. No bursts. Min Gnt=12.
Bus  0, device   7, function  0:
  ISA bridge: VIA Technologies VT 82C586 Apollo ISA (rev 71).
    Medium devsel. Master Capable. No bursts. 
Bus  0, device   7, function  1:
  IDE interface: VIA Technologies VT 82C586 Apollo IDE (rev 6).
    Medium devsel. Fast back-to-back capable. Master Capable. Latency=32. 
    I/O at 0x6400 [0x6401].
Bus  0, device   7, function  2:
  USB Controller: VIA Technologies VT 82C586 Apollo USB (rev 2).
    Medium devsel. IRQ 9. Master Capable. Latency=32. 
    I/O at 0x6800 [0x6801].
Bus  0, device   7, function  3:
  Host bridge: VIA Technologies VT 82C586B Apollo ACPI (rev 16).
    Medium devsel. Fast back-to-back capable. 
Bus  0, device  11, function  0:
  Ethernet controller: AMD Unknown device (rev 82).
    Vendor id=1022. Device id=2001.
    Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable. Latency=32. Min Gnt=24.Max Lat=24.
    I/O at 0x6c00 [0x6c01].
    Non-prefetchable 32 bit memory at 0xed001000 [0xed001000].
Bus  0, device  12, function  0:
  Ethernet controller: DEC DC21140 (rev 34).
    Medium devsel. Fast back-to-back capable. IRQ 10. Master Capable. Latency=32. Min Gnt=20.Max Lat=40.
    I/O at 0x7000 [0x7001].
    Non-prefetchable 32 bit memory at 0xed000000 [0xed000000].
Bus  1, device   0, function  0:
  VGA compatible controller: NVidia Unknown device (rev 21).
    Vendor id=10de. Device id=2c.
    Medium devsel. Fast back-to-back capable. IRQ 10. Master Capable. Latency=32. Min Gnt=5.Max Lat=1.
    Non-prefetchable 32 bit memory at 0xe8000000 [0xe8000000].
    Prefetchable 32 bit memory at 0xea000000 [0xea000008].

4.2 ȯ�漳�� ̽�

ȯ�� ̽�� make config, make menuconfig, make xconfig �� ֽ��ϴ�(�� ״�� ä ��ο� �ɼǵ鿡 ��ؼ�� �� make oldconfig�� ֽ��ϴ�).

make�� "makefile"�� ȱ�Ģ�� ̿��Ͽ� �ҽ��ڵ� ��ϵ�� մϴ�. �ֱ� �� Ͽ� �ҽ��ڵ带 ��Ʈ ��Ϸ� ��ϰ� ��̺귯�� ϰ� ��ũ�Ͽ� �� Ϸ� �� ϴ� �� ڵ�� ó��մϴ�.

make config �Ǵ� make oldconfig

�� ȯ�� ϴ� make config�� bash�� csh�� ˴ϴ�. �� ̽�� ʽ��ϴ�. �׷�� make oldconfig�� մϴ�.

make menuconfig

�Ʒ�� ޴�� ȭ�� Դϴ�.

Linux Kernel v2.4.2 Configuration
---------------------------------------------------------------------------- 
+---------------------------- Console drivers ----------------------------+
|  Arrow keys navigate the menu. <Enter> selects submenus --->.           |   
|  Highlighted letters are hotkeys. Pressing <Y> includes, <N> excludes,  |   
|  <M> modularizes features. Press <Esc><Esc> to exit, <?> for Help.     |
|  Legend: [*] built-in  [ ] excluded  <M> module  < > module capable     |   
| +---------------------------------------------------------------------+ |   
| |         [*] VGA text console                                        | |   
| |         [ ] Video mode selection support                            | |   
| |         <M> MDA text console (dual-headed) (EXPERIMENTAL)           | |   
| |         Frame-buffer support  --->                                  | |   
| |                                                                     | |   
| |                                                                     | |   
| |                                                                     | |   
| |                                                                     | |   
| |                                                                     | |   
| |                                                                     | |   
| +---------------------------------------------------------------------+ |   
+-------------------------------------------------------------------------+   
|                    <Select>    < Exit >    < Help >                     |   
+-------------------------------------------------------------------------+

�޴�� ȭ�鿡�� ۼ�(�� ۾�)�� Ű�� ޴� ��̸� �Ű� �ٴ� �� ֽ��ϴ�. "---->" ǥ�ð� �ִ� �� Ű�� ޴�� ϴ�. <ESC>�� ι� ��ų� <Exit>�� ϸ� �� ޴�� ö󰩴ϴ�. <h>�� ֽ��ϴ�. <Tab> Ű�� Ʈ�� ̸� �Űܴٴմϴ�.

�� Y�� Ŀ�ο� ��, N�� , M�� մϴ�. �� ´� [ ] �Ǵ� < > �ȿ�*(��), M(��), ��ĭ(��)�� ǥ�õ˴ϴ�. ��(M)�� "< >"�� ǥ�õ� �� ֽ��ϴ�.

�� ٸ� �� ޴�� "Save Configration to an ALternate FiLe"�� Ͽ� �� Ϸ� ��մϴ�. �� о�� "Load an ALternate Configration FiLe" �޴�� մϴ�.

make menuconfig�� ncurses(new-curses) Library�� մϴ�. ncurses�� ȭ�� ¿� ��̴� ��̺귯��Դϴ�. ncurses�� ġ�� ʾҴٸ� �� ʴ� ��α׷�� Ƿ� �ݵ�� ġ�մϴ�.

# mount /mnt/cdrom
# rpm -Uvh /mnt/cdrom/RedHat/RPMS/ncurses*

make xconfig

X �͹̳ο�� 콺�� ̿��Ͽ� ��մϴ�. make xconfig�� ϱ� ��ؼ�� X ��TcL/Tk ��/��Ŷ ��̺귯�� ݵ�� ʿ��մϴ�.

�� ȭ�� "Store Configurationto FiLe"�׸񿡼� �� Ϸ� �� ֽ��ϴ�. �� ȯ�� /usr/src/linux/arch/i386/config.in�� Ǿ� �ֽ��ϴ�. ��Ʈ �� ϰ� �ʹٸ� �纻�� Ӵϴ�:

# cd /usr/src/linux/arch/i386
# cp config.in{,.old}

��

4. ������ ȯ�� ���� ����

4.1 �̸� �˰� ������ ���� �͵�

4.2 ȯ�漳�� �������̽�