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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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19
src/arch/i386/include/pxe_call.h
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@@ -34,5 +34,24 @@ extern void pxe_activate ( struct net_device *netdev );
extern int pxe_deactivate ( void );
extern int pxe_start_nbp ( void );
extern __asmcall void pxe_api_call ( struct i386_all_regs *ix86 );
extern int _pxe_api_call_weak ( struct i386_all_regs *ix86 )
__attribute__ (( weak ));
/**
* Dispatch PXE API call weakly
*
* @v ix86 Registers for PXE call
* @ret present Zero if the PXE stack is present, nonzero if not
*
* A successful return only indicates that the PXE stack was available
* for dispatching the call; it says nothing about the success of
* whatever the call asked for.
*/
static inline int pxe_api_call_weak ( struct i386_all_regs *ix86 )
{
if ( _pxe_api_call_weak != NULL )
return _pxe_api_call_weak ( ix86 );
return -1;
}
#endif /* _PXE_CALL_H */