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Generify vhd, too

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This commit is contained in:
Dave Vasilevsky 2013-02-24 15:57:18 -05:00
parent 5c7af60f16
commit 17aabc4c40
6 changed files with 46 additions and 94 deletions
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1
BasiliskII/src/Unix/disk_unix.h
View File

@ -36,5 +36,6 @@ struct disk_generic {
typedef disk_generic *(disk_factory)(const char *path, bool read_only);
extern disk_factory disk_sparsebundle_factory;
extern disk_factory disk_vhd_factory;
#endif

57
BasiliskII/src/Unix/sys_unix.cpp
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@ -62,9 +62,6 @@
#include "bincue_unix.h"
#endif
#if defined(HAVE_LIBVHD)
#include "vhd_unix.h"
#endif
#define DEBUG 0
@ -72,6 +69,9 @@
static disk_factory *disk_factories[] = {
disk_sparsebundle_factory,
#if defined(HAVE_LIBVHD)
disk_vhd_factory,
#endif
NULL
};
@ -104,11 +104,6 @@ struct mac_file_handle {
bool is_bincue; // Flag: BIN CUE file
void *bincue_fd;
#endif
#if defined(HAVE_LIBVHD)
bool is_vhd; // Flag: VHD file
void *vhd_fd;
#endif
};
// Open file handles
@ -608,22 +603,6 @@ void *Sys_open(const char *name, bool read_only)
#endif
#if defined(HAVE_LIBVHD)
int vhdsize;
void *vhdfd = vhd_unix_open(name, &vhdsize, read_only);
if (vhdfd) {
mac_file_handle *fh = open_filehandle(name);
D(bug("opening %s as vnd\n", name));
fh->is_vhd = true;
fh->vhd_fd = vhdfd;
fh->read_only = read_only;
fh->file_size = vhdsize;
fh->is_media_present = true;
sys_add_mac_file_handle(fh);
return fh;
}
#endif
for (disk_factory **f = disk_factories; *f; ++f) {
disk_generic *generic = (*f)(name, read_only);
if (generic) {
@ -739,11 +718,6 @@ void Sys_close(void *arg)
sys_remove_mac_file_handle(fh);
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
vhd_unix_close(fh->vhd_fd);
#endif
#if defined(BINCUE)
if (fh->is_bincue)
close_bincue(fh->bincue_fd);
@ -777,11 +751,6 @@ size_t Sys_read(void *arg, void *buffer, loff_t offset, size_t length)
return read_bincue(fh->bincue_fd, buffer, offset, length);
#endif
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
return vhd_unix_read(fh->vhd_fd, buffer, offset, length);
#endif
if (fh->generic_disk)
return fh->generic_disk->read(buffer, offset, length);
@ -805,11 +774,6 @@ size_t Sys_write(void *arg, void *buffer, loff_t offset, size_t length)
if (!fh)
return 0;
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
return vhd_unix_write(fh->vhd_fd, buffer, offset, length);
#endif
if (fh->generic_disk)
return fh->generic_disk->write(buffer, offset, length);
@ -837,11 +801,6 @@ loff_t SysGetFileSize(void *arg)
return size_bincue(fh->bincue_fd);
#endif
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
return fh->file_size;
#endif
if (fh->generic_disk)
return fh->file_size;
@ -978,11 +937,6 @@ bool SysIsFixedDisk(void *arg)
if (!fh)
return true;
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
return true;
#endif
if (fh->generic_disk)
return true;
@ -1005,11 +959,6 @@ bool SysIsDiskInserted(void *arg)
if (!fh)
return false;
#if defined(HAVE_LIBVHD)
if (fh->is_vhd)
return true;
#endif
if (fh->generic_disk)
return true;

50
BasiliskII/src/Unix/vhd_unix.cpp
View File

@ -19,7 +19,7 @@
*/
#include "sysdeps.h"
#include "vhd_unix.h"
#include "disk_unix.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -32,7 +32,7 @@ extern "C" {
#define DEBUG 0
#include "debug.h"
void *vhd_unix_open(const char *name, int *size, bool read_only)
static void *vhd_unix_open(const char *name, int *size, bool read_only)
{
int amode = read_only ? R_OK : (R_OK | W_OK);
int fid;
@ -79,9 +79,9 @@ void *vhd_unix_open(const char *name, int *size, bool read_only)
}
}
int vhd_unix_read(void *arg, void *buffer, loff_t offset, size_t length)
static int vhd_unix_read(vhd_context_t *ctx, void *buffer, loff_t offset,
size_t length)
{
vhd_context_t *ctx = (vhd_context_t *) arg;
int err;
if ((offset % VHD_SECTOR_SIZE) || (length % VHD_SECTOR_SIZE)) {
printf("vhd read only supported on sector boundaries (%d)\n",
@ -97,10 +97,10 @@ int vhd_unix_read(void *arg, void *buffer, loff_t offset, size_t length)
return length;
}
int vhd_unix_write(void *arg, void *buffer, loff_t offset, size_t length)
static int vhd_unix_write(vhd_context_t *ctx, void *buffer, loff_t offset,
size_t length)
{
int err;
vhd_context_t *ctx = (vhd_context_t *) arg;
if ((offset % VHD_SECTOR_SIZE) || (length % VHD_SECTOR_SIZE)) {
printf("vhd write only supported on sector boundaries (%d)\n",
@ -116,9 +116,41 @@ int vhd_unix_write(void *arg, void *buffer, loff_t offset, size_t length)
return length;
}
void vhd_unix_close(void *arg)
static void vhd_unix_close(vhd_context_t *ctx)
{
D(bug("vhd close\n"));
vhd_close((vhd_context_t *) arg);
free(arg);
vhd_close(ctx);
free(ctx);
}
struct disk_vhd : disk_generic {
disk_vhd(vhd_context_t *ctx, bool read_only, loff_t size)
: ctx(ctx), read_only(read_only), file_size(size) { }
virtual ~disk_vhd() { vhd_unix_close(ctx); }
virtual bool is_read_only() { return read_only; }
virtual loff_t size() { return file_size; }
virtual size_t read(void *buf, loff_t offset, size_t length) {
return vhd_unix_read(ctx, buf, offset, length);
}
virtual size_t write(void *buf, loff_t offset, size_t length) {
return vhd_unix_write(ctx, buf, offset, length);
}
protected:
vhd_context_t *ctx;
bool read_only;
loff_t file_size;
};
disk_generic *disk_vhd_factory(const char *path, bool read_only) {
int size;
vhd_context_t *ctx = (vhd_context_t*)vhd_unix_open(path, &size, read_only);
if (!ctx)
return NULL;
return new disk_vhd(ctx, read_only, size);
}

29
BasiliskII/src/Unix/vhd_unix.h
View File

@ -1,29 +0,0 @@
/*
* vhd_unix.h -- support for disk images in vhd format
*
* (C) 2010 Geoffrey Brown
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef VHD_H
#define VHD_H
void *vhd_unix_open(const char *name, int *size, bool read_only);
int vhd_unix_read(void *arg, void *buffer, loff_t offset, size_t length);
int vhd_unix_write(void *arg, void *buffer, loff_t offset, size_t length);
void vhd_unix_close(void *arg);
#endif

2
SheepShaver/Makefile
View File

@ -61,7 +61,7 @@ links:
BeOS/serial_beos.cpp BeOS/sys_beos.cpp BeOS/timer_beos.cpp \
BeOS/xpram_beos.cpp BeOS/SheepDriver BeOS/SheepNet \
Unix/audio_oss_esd.cpp Unix/bincue_unix.cpp Unix/bincue_unix.h \
Unix/vhd_unix.cpp Unix/vhd_unix.h \
Unix/vhd_unix.cpp \
Unix/extfs_unix.cpp Unix/serial_unix.cpp \
Unix/sshpty.h Unix/sshpty.c Unix/strlcpy.h Unix/strlcpy.c \
Unix/sys_unix.cpp Unix/timer_unix.cpp Unix/xpram_unix.cpp \

1
SheepShaver/src/Unix/vhd_unix.h
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@ -1 +0,0 @@
../../../BasiliskII/src/Unix/vhd_unix.h