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grub_exit instead of grub_stop

From: Yoshinori K. Okuji
Subject: grub_exit instead of grub_stop
Date: Sun, 23 Apr 2006 15:43:53 +0200
User-agent: KMail/1.8.2

I've changed the API a bit. GRUB now uses grub_abort instead of grub_stop. 
Then grub_abort calls grub_exit. This is the function which must be defined 
in every architecture.

The implementation of grub_abort is to wait for a key input, if the terminal 
is alive, then call grub_exit. The desirable behavior of grub_exit is to 
return to the firmware. For Open Firmware, I simply renamed abort to 
grub_exit. For PC, I try INT 18H first, and reboot if that failed. For EFI, I 
renamed grub_efi_exit to grub_exit.

I took care of not destroying the code, but I haven't tested the Open Firmware 
part. If you find anything wrong, let me know.


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