From: JUNWEN JIA <jiajunwen123@gmail.com>
To: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: Andrew Fish <afish@apple.com>
Subject: EDK debug question
Date: Wed, 24 Jan 2018 14:31:43 +0800 [thread overview]
Message-ID: <5a68284f.ce336b0a.101b2.a31e@mx.google.com> (raw)
Hi, Andrew:
Thanks for your reply. What I was trying is to restart my computer after 1 minute shutdown in shell. That is why I need to get .efi file through EDK.
The following is the assembly language I wrote in Reboot.asm, and I put this file in BaseLib->Ia32,along with Reboot.asm, Reboot.c.
.code
Reboot PROC
mov al,0bh
out 70h,al
mov al,20h
out 71h,al ;enable RTC interrupt
mov al,01h
out 70h,al
mov al,00h
out 71h,al
mov al,03h
out 70h,al
mov al,01h
out 71h,al
mov al,05h
out 70h,al
mov al,12h
out 71h,al ;wirte cmos alarm
mov al,00h
out 70h,al
mov al,00h
out 71h,al
mov al,02h
out 70h,al
mov al,00h
out 71h,al
mov al,04h
out 70h,al
mov al,12h
out 71h,al ;set cmos time
ret
Reboot ENDP
END
Best regards!
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next reply other threads:[~2018-01-24 6:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-24 6:31 JUNWEN JIA [this message]
2018-01-24 6:55 ` EDK debug question Andrew Fish
-- strict thread matches above, loose matches on Subject: below --
2018-01-24 8:30 JUNWEN JIA
2018-01-24 2:23 JUNWEN JIA
2018-01-24 3:00 ` Andrew Fish
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