Searched refs:seta20 (Results 1 - 5 of 5) sorted by relevance

/freebsd-9.3-release/sys/boot/i386/gptboot/
H A Dgptldr.S105 seta20: cli # Disable interrupts label
106 seta20.1: dec %cx # Timeout?
107 jz seta20.3 # Yes
110 jnz seta20.1 # Yes
113 seta20.2: inb $0x64,%al # Get status
115 jnz seta20.2 # Yes
118 seta20.3: sti # Enable interrupts
/freebsd-9.3-release/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
/freebsd-9.3-release/sys/boot/i386/cdboot/
H A Dcdboot.S202 call seta20 # Turn A20 on
488 seta20: cli # Disable interrupts label
490 seta20.1: inc %cx # Increment, overflow?
491 jz seta20.3 # Yes
494 jnz seta20.1 # Yes
497 seta20.2: in $0x64,%al # Get status
499 jnz seta20.2 # Yes
502 seta20.3: sti # Enable interrupts
/freebsd-9.3-release/sys/boot/i386/zfsboot/
H A Dzfsldr.S142 seta20: cli # Disable interrupts label
143 seta20.1: dec %cx # Timeout?
144 jz seta20.3 # Yes
147 jnz seta20.1 # Yes
150 seta20.2: inb $0x64,%al # Get status
152 jnz seta20.2 # Yes
155 seta20.3: sti # Enable interrupts
/freebsd-9.3-release/sys/boot/i386/boot2/
H A Dboot1.S202 seta20: cli # Disable interrupts label
203 seta20.1: dec %cx # Timeout?
204 jz seta20.3 # Yes
207 jnz seta20.1 # Yes
210 seta20.2: inb $0x64,%al # Get status
212 jnz seta20.2 # Yes
215 seta20.3: sti # Enable interrupts

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