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| author | Michael Brown | 2008-02-11 16:06:26 +0100 |
|---|---|---|
| committer | Michael Brown | 2008-02-11 16:06:26 +0100 |
| commit | f8a0b5f682561bf1e78aef64b16c05cc9ee70902 (patch) | |
| tree | a26fc5965a71e7ef74af5283d2c800cdce5f92bb | |
| parent | Fixes for EqualLogic iSCSI targets: (diff) | |
| download | ipxe-f8a0b5f682561bf1e78aef64b16c05cc9ee70902.tar.gz ipxe-f8a0b5f682561bf1e78aef64b16c05cc9ee70902.tar.xz ipxe-f8a0b5f682561bf1e78aef64b16c05cc9ee70902.zip | |
Use internal 16-bit stack for added safety.
| -rw-r--r-- | src/arch/i386/prefix/pxeprefix.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/i386/prefix/pxeprefix.S b/src/arch/i386/prefix/pxeprefix.S index ca1a00c9..31b2102f 100644 --- a/src/arch/i386/prefix/pxeprefix.S +++ b/src/arch/i386/prefix/pxeprefix.S @@ -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 |