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[config] Make PXE stack a compile-time option

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For extremely tight space requirements and specific applications, it is
sometimes desirable to create gPXE images that cannot provide the PXE API
functionality to client programs. Add a configuration header option,
PXE_STACK, that can be removed to remove this stack. Also add PXE_MENU
to control the PXE boot menu, which most uses of gPXE do not need.

Signed-off-by: Marty Connor <mdc@etherboot.org>
This commit is contained in:
Joshua Oreman
2009-10-06 19:15:06 -04:00
committed by Marty Connor
parent 9e9cc8c60f
commit fa4aec8f03
11 changed files with 135 additions and 48 deletions
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12
src/arch/i386/interface/pxe/pxe_call.c
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@@ -339,6 +339,18 @@ __asmcall void pxe_api_call ( struct i386_all_regs *ix86 ) {
ix86->regs.ax = ret;
}
/**
* Dispatch weak PXE API call with PXE stack available
*
* @v ix86 Registers for PXE call
* @ret present Zero (PXE stack present)
*/
int _pxe_api_call_weak ( struct i386_all_regs *ix86 )
{
pxe_api_call ( ix86 );
return 0;
}
/**
* Dispatch PXE loader call
*