mirror of
https://github.com/vivier/EMILE.git
synced 2024-08-01 15:28:59 +00:00
80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
/*
|
|
*
|
|
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <malloc.h>
|
|
#include "bank.h"
|
|
#include "misc.h"
|
|
#include "glue.h"
|
|
#include "head.h"
|
|
#include "load.h"
|
|
|
|
#ifdef SCSI_SUPPORT
|
|
#include "scsi.h"
|
|
|
|
static int load_container(struct emile_container* container, char* image)
|
|
{
|
|
int target;
|
|
int i;
|
|
int err;
|
|
|
|
target = container->unit_id;
|
|
|
|
i = 0;
|
|
while (container->blocks[i].count != 0)
|
|
{
|
|
err = scsi_READ(target, container->blocks[i].offset,
|
|
container->blocks[i].count,
|
|
image,
|
|
container->block_size * container->blocks[i].count);
|
|
if (err != noErr)
|
|
return -1;
|
|
|
|
image += container->block_size * container->blocks[i].count;
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#else /* SCSI_SUPPORT */
|
|
|
|
static int load_blocks(unsigned long offset, unsigned long size, char *image)
|
|
{
|
|
int err;
|
|
ParamBlockRec_t param_block;
|
|
|
|
memset(¶m_block, 0, sizeof(param_block));
|
|
|
|
param_block.ioBuffer = (unsigned long)image;
|
|
param_block.ioVRefNum = 1;
|
|
param_block.ioRefNum = -5;
|
|
param_block.ioReqCount = size;
|
|
param_block.ioPosMode = fsFromStart;
|
|
param_block.ioPosOffset = offset;
|
|
|
|
err = PBReadSync(¶m_block);
|
|
if (err != noErr)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
#endif /* SCSI_SUPPORT */
|
|
|
|
int load_image(unsigned long offset, unsigned long size, char *image)
|
|
{
|
|
if (size == 0)
|
|
return -1;
|
|
|
|
if (image == NULL)
|
|
return -1;
|
|
|
|
#ifdef SCSI_SUPPORT
|
|
return load_container((struct emile_container*)offset, image);
|
|
#else
|
|
return load_blocks(offset, size, image);
|
|
#endif
|
|
}
|