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Chapter 4 65
44 DEBUG_OEM_INIT_POWER_MAN Check special device initial power management
function
45 DEBUG_KEYB_SET_LEDS_2 Clear keyboard buffer and Update NUMLOCK
status
46 DEBUG_HWIO_FIND_80X87 Test For Coprocessor Installed, and enable
coprocessor interrupt
47 DEBUG_OEM_LAST_MINUTE_INIT Run OEM functions before boot, and enable
L1,L2 cache
48 DEBUG_MISC_LAUNCH_INT19 Post code will finish, ready to run int19 and load
OS
49 DEBUG_BEGIN_BOOT_CODE Into Int19, to boot from floppy or other boot
device
50 DEBUG_ACPI_INIT Initialize the ACPI function
51 DEBUG_PM_CPU_INIT Power manager initial & GEYSERVILLE CPU
initialize
52 DEBUG_USB_HC_INIT Clear USB status register and Initiallize the USB
Hub controller.
PCI BIOS -- PCICORE.ASM
D0 DEBUG_ROM_MAPPED_OK check PCI 1.x VGA card rom mapping and rom
signature
D1 DEBUG_SEGMENTENABLE_
COPYSTATE_1
enable PCI device use ram area, record in PCI
register
D2 DEBUG_COPY_HROM_RAM_1 Enable PCI device ROM copy to RAM, record in
PCI register
D3 DEBUG_SEGMENTENABLE_
READWRITE_1
update PCI device segment range attribute
registers
D4 DEBUG_MAP_MEM_1 Configure PCI device memory registers
D5 DEBUG_MAP_IO_1 Configure PCI device I/O registers
D6 DEBUG_MAP_IRQ_1 Configure PCI device IRQ assignments
D7 DEBUG_CONFIG_COM_REG_1 turn on PCI device
D8 DEBUG_REVISION_1 PCI 2.x video card rom mapping
D9 DEBUG_OEM_DEV_CLEANUP_1 OEM PCI device defined, and initial OEM rom
DA DEBUG_PCI_ADDIN_ROM_
DISABLE_1
disable add-in rom card decode
DB DEBUG_RET_PCI_1 PCI device config finish
DC DEBUG_SEGMENTENABLE_
COPYSTATE_2
enable PCI video device use ram area, record in
PCI register
DD DEBUG_COPY_HROM_RAM_2 Enable PCI video device ROM copy to RAM,
record in PCI register
DE DEBUG_SEGMENTENABLE_
READWRITE_2
update PCI video device segment range
attribute registers
DF DEBUG_MAP_MEM_2 configure PCI video device memory registers
E0 DEBUG_MAP_IO_2 configure PCI video device I/O registers
E1 DEBUG_MAP_IRQ_2 configure PCI video device IRQ assignments
E2 DEBUG_CONFIG_COM_REG_2 turn on PCI video device
E3 DEBUG_REVISION_2 PCI 2.x video rom mapping
E4 DEBUG_OEM_DEV_CLEANUP_2 OEM PCI video device defined, and initial OEM
rom
E5 DEBUG_PCI_ADDIN_ROM_
DISABLE_2
disable PCI video device add-in rom card decode
POST Code Macro Name Description