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Annotation of qemu/roms/openbios/libopenbios/load.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *   Creation Date: <2010/06/25 20:00:00 mcayland>
        !             3:  *   Time-stamp: <2010/06/25 20:00:00 mcayland>
        !             4:  *
        !             5:  *     <load.c>
        !             6:  *
        !             7:  *     C implementation of load
        !             8:  *
        !             9:  *   Copyright (C) 2010 Mark Cave-Ayland ([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:  *   version 2
        !            14:  *
        !            15:  */
        !            16: 
        !            17: #include "config.h"
        !            18: #include "kernel/kernel.h"
        !            19: #include "libopenbios/bindings.h"
        !            20: #include "libopenbios/sys_info.h"
        !            21: #include "libopenbios/load.h"
        !            22: 
        !            23: #ifdef CONFIG_LOADER_ELF
        !            24: #include "libopenbios/elf_load.h"
        !            25: #endif
        !            26: 
        !            27: #ifdef CONFIG_LOADER_AOUT
        !            28: #include "libopenbios/aout_load.h"
        !            29: #endif
        !            30: 
        !            31: #ifdef CONFIG_LOADER_FCODE
        !            32: #include "libopenbios/fcode_load.h"
        !            33: #endif
        !            34: 
        !            35: #ifdef CONFIG_LOADER_FORTH
        !            36: #include "libopenbios/forth_load.h"
        !            37: #endif
        !            38: 
        !            39: 
        !            40: struct sys_info sys_info;
        !            41: void *elf_boot_notes = NULL;
        !            42: 
        !            43: void load(ihandle_t dev)
        !            44: {
        !            45:        /* Invoke the loaders on the specified device */
        !            46:        char *param;
        !            47:         ucell valid;
        !            48: 
        !            49: #ifdef CONFIG_LOADER_ELF
        !            50: 
        !            51:        /* Grab the boot arguments */
        !            52:        push_str("bootargs");
        !            53:        push_str("/chosen");
        !            54:        fword("(find-dev)");
        !            55:        POP();
        !            56:        fword("get-package-property");
        !            57:        POP();
        !            58:        param = pop_fstr_copy();
        !            59: 
        !            60:        elf_load(&sys_info, dev, param, &elf_boot_notes);
        !            61:         feval("state-valid @");
        !            62:         valid = POP();
        !            63:         if (valid) {
        !            64:                 return;
        !            65:         }
        !            66: #endif
        !            67: 
        !            68: #ifdef CONFIG_LOADER_AOUT
        !            69:        aout_load(&sys_info, dev);
        !            70:         feval("state-valid @");
        !            71:         valid = POP();
        !            72:         if (valid) {
        !            73:                 return;
        !            74:         }
        !            75: #endif
        !            76: 
        !            77: #ifdef CONFIG_LOADER_FCODE
        !            78:        fcode_load(dev);
        !            79:         feval("state-valid @");
        !            80:         valid = POP();
        !            81:         if (valid) {
        !            82:                 return;
        !            83:         }
        !            84: #endif
        !            85: 
        !            86: #ifdef CONFIG_LOADER_FORTH
        !            87:        forth_load(dev);
        !            88:         feval("state-valid @");
        !            89:         valid = POP();
        !            90:         if (valid) {
        !            91:                 return;
        !            92:         }
        !            93: #endif
        !            94: 
        !            95: }

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