Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 4 Aug 2003 10:33:18 -0700
From:      David Schultz <das@FreeBSD.ORG>
To:        pat bey <phaza7@yahoo.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Assembly interrupts and Developers handbook
Message-ID:  <20030804173318.GA3935@HAL9000.homeunix.com>
In-Reply-To: <20030802195041.36168.qmail@web41201.mail.yahoo.com>
References:  <20030802195041.36168.qmail@web41201.mail.yahoo.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Aug 02, 2003, pat bey wrote:
> Secondly, What can I find a list of other interrupts within
> FreeBSD like the int 80h.  Or is this the only interrupt. Like
> example interrupt for video stuff, disk access ....etc. .etc

On x86, all system calls are made through int 80h with %eax set to
the syscall number.  See src/sys/kern/syscalls.master.  In
general, you don't access the hardware directly unless you're
writing a device driver.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030804173318.GA3935>