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Use internal 16-bit stack for added safety.

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This commit is contained in:
Michael Brown 2008-02-11 15:06:26 +00:00
parent 428c6342bc
commit f8a0b5f682
1 changed files with 4 additions and 0 deletions
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4
src/arch/i386/prefix/pxeprefix.S
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@ -700,6 +700,10 @@ run_etherboot:
/* Install Etherboot */
call install
/* Set up real-mode stack */
movw %bx, %ss
movw $_estack16, %sp
#ifdef PXELOADER_KEEP_UNDI
/* Copy our undi_device structure to the preloaded_undi variable */
movw %bx, %es