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Annotation of qemu/roms/openbios/arch/ppc/mol/prom.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *   Creation Date: <2002/10/03 21:07:27 samuel>
                      3:  *   Time-stamp: <2003/10/22 22:45:26 samuel>
                      4:  *
                      5:  *     <prom.h>
                      6:  *
                      7:  *     device tree interface
                      8:  *
                      9:  *   Copyright (C) 2002, 2003 Samuel Rydh ([email protected])
                     10:  *
                     11:  *   This program is free software; you can redistribute it and/or
                     12:  *   modify it under the terms of the GNU General Public License
                     13:  *   as published by the Free Software Foundation
                     14:  *
                     15:  */
                     16: 
                     17: #ifndef _H_PROM
                     18: #define _H_PROM
                     19: 
                     20: /* Note 1: MOL uses -1 as the invalid phandle while OpenFirmware uses 0 as the
                     21:  * invalid phandle (it is also the root node).
                     22:  *
                     23:  * Note 2: phandles might be negative. For instance, phandles originating from
                     24:  * a real Open Firmware tree might look like 0xff123000 (a ROM address)...
                     25:  */
                     26: 
                     27: typedef enum { kGetRootPhandle=0 } mol_phandle_t;      /* must promote to int */
                     28: 
                     29: extern int                     prom_close( void );
                     30: 
                     31: extern mol_phandle_t           prom_peer( mol_phandle_t phandle );
                     32: extern mol_phandle_t           prom_child( mol_phandle_t phandle );
                     33: extern mol_phandle_t           prom_parent( mol_phandle_t phandle );
                     34: extern int                     prom_package_to_path( mol_phandle_t phandle, char *buf, long buflen );
                     35: extern int                     prom_get_prop_len( mol_phandle_t phandle, const char *name );
                     36: extern int                     prom_get_prop( mol_phandle_t phandle, const char *name, char *buf, long buflen );
                     37: extern int                     prom_get_prop_by_path( const char *path, const char *name, char *buf, long buflen );
                     38: extern int                     prom_next_prop( mol_phandle_t phandle, const char *prev, char *buf );
                     39: extern int                     prom_set_prop( mol_phandle_t phandle, const char *name, char *buf, long buflen );
                     40: extern mol_phandle_t           prom_create_node( const char *path );
                     41: extern mol_phandle_t           prom_find_device( const char *path );
                     42: 
                     43: extern mol_phandle_t           prom_find_device_type( const char *type, int index );
                     44: 
                     45: extern int                     prom_change_phandle( mol_phandle_t old_ph, mol_phandle_t new_ph );
                     46: 
                     47: #endif   /* _H_PROM */

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