APM_BIOS_CALL

NAME

SYNOPSIS

u8 apm_bios_call (u32 func, u32 ebx_in, u32 ecx_in, u32 * eax, u32 * ebx, u32 * ecx, u32 * edx, u32 * esi);  

ARGUMENTS

func

APM function to execute

ebx_in

EBX register for call entry

ecx_in

ECX register for call entry

eax

EAX register return

ebx

EBX register return

ecx

ECX register return

edx

EDX register return

esi

ESI register return

DESCRIPTION

Make an APM call using the 32bit protected mode interface. The caller is responsible for knowing if APM BIOS is configured and enabled. This call can disable interrupts for a long period of time on some laptops. The return value is in AH and the carry flag is loaded into AL. If there is an error, then the error code is returned in AH (bits 8-15 of eax) and this function returns non-zero.

Index

NAME

SYNOPSIS

ARGUMENTS

DESCRIPTION