base_irq_inittab.S

• To: oskit-users@fast.cs.utah.edu
• Subject: base_irq_inittab.S
• From: "Rogelio M. Serrano Jr." <rogelio@evoserve.com>
• Date: Sat, 25 Nov 2000 06:57:41 +0800
• Sender: owner-oskit-users@fast.cs.utah.edu
• User-Agent: Mutt/1.2.5i

In oskit-20000901/kern/x86/pc/base_irq_inittab.S:

116        /* Save the current master PIC mask (bl) */
117        inb     $0x21,%al
118----->  movb    %al,%bl

What is the purpose of saving the PIC mask in bl? That value seems unused in later processing. Can I remove that line?

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