diff options
Diffstat (limited to 'src/arch/i386/include/pxe_call.h')
-rw-r--r-- | src/arch/i386/include/pxe_call.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/arch/i386/include/pxe_call.h b/src/arch/i386/include/pxe_call.h index 50667e62..4d245616 100644 --- a/src/arch/i386/include/pxe_call.h +++ b/src/arch/i386/include/pxe_call.h @@ -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 */ |