Searched defs:seta20 (Results 1 - 3 of 3) sorted by relevance

/illumos-gate/usr/src/boot/sys/boot/i386/gptzfsboot/
H A Dgptldr.S122 seta20: cli # Disable interrupts label
123 seta20.1: dec %cx # Timeout?
124 jz seta20.3 # Yes
127 jnz seta20.1 # Yes
130 seta20.2: inb $0x64,%al # Get status
132 jnz seta20.2 # Yes
135 seta20.3: sti # Enable interrupts
/illumos-gate/usr/src/boot/sys/boot/i386/pxeldr/
H A Dpxeldr.S137 callw seta20 # Turn A20 on
241 seta20: cli # Disable interrupts label
243 seta20.1: inc %cx # Increment, overflow?
244 jz seta20.3 # Yes
247 jnz seta20.1 # Yes
250 seta20.2: inb $0x64,%al # Get status
252 jnz seta20.2 # Yes
255 seta20.3: sti # Enable interrupts
/illumos-gate/usr/src/boot/sys/boot/i386/cdboot/
H A Dcdboot.S211 call seta20 # Turn A20 on
497 seta20: cli # Disable interrupts label
499 seta20.1: inc %cx # Increment, overflow?
500 jz seta20.3 # Yes
503 jnz seta20.1 # Yes
506 seta20.2: in $0x64,%al # Get status
508 jnz seta20.2 # Yes
511 seta20.3: sti # Enable interrupts

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