src/arch/i386/include/pxe_call.h

   1 #ifndef _PXE_CALL_H
   2 #define _PXE_CALL_H
   3
   4 /** @file
   5  *
   6  * PXE API entry point
   7  */
   8
   9 FILE_LICENCE ( GPL2_OR_LATER );
  10
  11 #include <pxe_api.h>
  12 #include <realmode.h>
  13 #include <setjmp.h>
  14
  15 struct net_device;
  16
  17 /** PXE load address segment */
  18 #define PXE_LOAD_SEGMENT 0
  19
  20 /** PXE load address offset */
  21 #define PXE_LOAD_OFFSET 0x7c00
  22
  23 /** PXE physical load address */
  24 #define PXE_LOAD_PHYS ( ( PXE_LOAD_SEGMENT << 4 ) + PXE_LOAD_OFFSET )
  25
  26 /** !PXE structure */
  27 extern struct s_PXE __text16 ( ppxe );
  28 #define ppxe __use_text16 ( ppxe )
  29
  30 /** PXENV+ structure */
  31 extern struct s_PXENV __text16 ( pxenv );
  32 #define pxenv __use_text16 ( pxenv )
  33
  34 /** PXENV_RESTART_TFTP jump buffer */
  35 extern rmjmp_buf pxe_restart_nbp;
  36
  37 extern void pxe_activate ( struct net_device *netdev );
  38 extern int pxe_deactivate ( void );
  39 extern int pxe_start_nbp ( void );
  40 extern __asmcall void pxe_api_call ( struct i386_all_regs *ix86 );
  41 extern int pxe_api_call_weak ( struct i386_all_regs *ix86 );
  42
  43 #endif /* _PXE_CALL_H */