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80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include <malloc.h>
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#include "bank.h"
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#include "misc.h"
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#include "glue.h"
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#include "head.h"
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#include "load.h"
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#ifdef SCSI_SUPPORT
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#include "scsi.h"
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static int load_container(struct emile_container* container, char* image)
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{
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int target;
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int i;
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int err;
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target = container->unit_id;
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i = 0;
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while (container->blocks[i].count != 0)
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{
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err = scsi_READ(target, container->blocks[i].offset,
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container->blocks[i].count,
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image,
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container->block_size * container->blocks[i].count);
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if (err != noErr)
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return -1;
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image += container->block_size * container->blocks[i].count;
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i++;
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}
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return 0;
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}
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#else /* SCSI_SUPPORT */
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static int load_blocks(unsigned long offset, unsigned long size, char *image)
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{
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int err;
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ParamBlockRec_t param_block;
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memset(¶m_block, 0, sizeof(param_block));
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param_block.ioBuffer = (unsigned long)image;
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param_block.ioVRefNum = 1;
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param_block.ioRefNum = -5;
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param_block.ioReqCount = size;
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param_block.ioPosMode = fsFromStart;
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param_block.ioPosOffset = offset;
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err = PBReadSync(¶m_block);
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if (err != noErr)
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return -1;
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return 0;
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}
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#endif /* SCSI_SUPPORT */
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int load_image(unsigned long offset, unsigned long size, char *image)
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{
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if (size == 0)
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return -1;
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if (image == NULL)
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return -1;
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#ifdef SCSI_SUPPORT
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return load_container((struct emile_container*)offset, image);
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#else
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return load_blocks(offset, size, image);
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#endif
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}
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