/[pupa]/pupa/kern/loader.c
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Diff of /pupa/kern/loader.c

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revision 1.2 by okuji, Fri Jan 17 02:52:05 2003 UTC revision 1.3 by jeroen, Sun Nov 16 16:36:36 2003 UTC
# Line 1  Line 1 
1  /*  /*
2   *  PUPA  --  Preliminary Universal Programming Architecture for GRUB   *  PUPA  --  Preliminary Universal Programming Architecture for GRUB
3   *  Copyright (C) 2002  Yoshinori K. Okuji <okuji@enbug.org>   *  Copyright (C) 2002  Yoshinori K. Okuji <okuji@enbug.org>
4     *  Copyright (C) 2003  Jeroen Dekkers <jeroen@dekkers.cx>
5   *   *
6   *  PUPA is free software; you can redistribute it and/or modify   *  PUPA is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by   *  it under the terms of the GNU General Public License as published by
# Line 32  pupa_loader_set (pupa_err_t (*boot) (voi Line 33  pupa_loader_set (pupa_err_t (*boot) (voi
33                   pupa_err_t (*unload) (void))                   pupa_err_t (*unload) (void))
34  {  {
35    if (pupa_loader_loaded && pupa_loader_unload_func)    if (pupa_loader_loaded && pupa_loader_unload_func)
36      if (pupa_loader_unload_func () != PUPA_ERR_NONE)      pupa_loader_unload_func ();
       return;  
37        
38    pupa_loader_boot_func = boot;    pupa_loader_boot_func = boot;
39    pupa_loader_unload_func = unload;    pupa_loader_unload_func = unload;
# Line 41  pupa_loader_set (pupa_err_t (*boot) (voi Line 41  pupa_loader_set (pupa_err_t (*boot) (voi
41    pupa_loader_loaded = 1;    pupa_loader_loaded = 1;
42  }  }
43    
44    void
45    pupa_loader_unset(void)
46    {
47      if (pupa_loader_loaded && pupa_loader_unload_func)
48        pupa_loader_unload_func ();
49      
50      pupa_loader_boot_func = 0;
51      pupa_loader_unload_func = 0;
52    
53      pupa_loader_loaded = 0;
54    }
55    
56  pupa_err_t  pupa_err_t
57  pupa_loader_boot (void)  pupa_loader_boot (void)
58  {  {

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