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opengnsys_ipxe
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[prefix] Halt system without burning CPU if we cannot access the payload 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/27/merge
Michael Brown 2014-08-26 14:46:14 +01:00
parent bfe9f06f9b
commit 9d21e13522
1 changed files with 4 additions and 1 deletions
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5
src/arch/i386/prefix/libprefix.S
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@ -748,7 +748,10 @@ a20_death_message:
call print_hex_dword
movw $payload_death_message, %si
call print_message
2: jmp 2b
2: /* Halt system */
cli
hlt
jmp 2b
.section ".prefix.data", "aw", @progbits
payload_death_message:
.asciz "\nPayload inaccessible - cannot continue\n"