boot loader

Denis 'GNUtoo' Carikli GNUtoo at no-log.org
Fri Feb 28 07:19:45 UTC 2014


On Sat, 22 Feb 2014 20:01:54 +0330
ali fiujnomali <ali.fiujnomali at gmail.com> wrote:

> As I know, in every processor architecture, there is some interrupt
> (signal) handlers, that will execute whenever an interrupt occurred
> (like whenever a system clock interrupt occurred). It is possible to
> override every interrupt handlers and operating system must override
> all of them to catch interrupts/signals/exceptions generated from
> running processes.
Learn about system management mode.

Coreboot[2] is a solution to that issue, but not all supported
devices/mainboards/laptops are equals in term of freedom, and the
freedom difference can be huge.

References:
-----------
[1]https://en.wikipedia.org/wiki/System_Management_Mode
[2]http://www.coreboot.org
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