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move from stdio to device_io_t

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This commit is contained in:
Laurent Vivier 2007-10-09 19:02:42 +00:00
parent ce59576cf7
commit 0139be9609
11 changed files with 31 additions and 83 deletions
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3
libmap/Makefile
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@ -13,11 +13,12 @@ ifeq ($(TARGET), m68k-linux)
68000FLAGS = -m68000 -Wa,-m68000
CFLAGS += -fpic -O2 -Os
endif
CPPFLAGS += -I$(TOP)/../libstream -I$(TOP)/../libemile
LIBRARY = libmap.a
SOURCES = map_bootblock_get_type.c map_bootblock_is_valid.c \
map_bootblock_read.c map_bootblock_write.c map_close.c map_dev.c \
map_bootblock_read.c map_bootblock_write.c map_close.c \
map_geometry.c map_get_bootinfo.c map_get_driver_info.c \
map_get_driver_number.c map_get_driver_signature.c map_get_number.c \
map_get_partition_geometry.c map_get_partition_name.c \

16
libmap/libmap.h
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@ -8,7 +8,9 @@
#define _LIBMAP_H
#include <sys/types.h>
#include "../libemile/emile.h"
#include "libstream.h"
#include "emile.h"
enum {
kPartitionAUXIsValid= 0x00000001,
@ -120,8 +122,7 @@ struct Partition {
#define MAP_NAME_LEN 256
typedef struct {
int fd;
char name[MAP_NAME_LEN];
device_io_t *device;
int current;
struct DriverDescriptor drivers;
struct Partition partition;
@ -138,7 +139,7 @@ enum {
#define FIRST_LEVEL_SIZE (FLOPPY_SECTOR_SIZE * 2)
#define BOOTBLOCK_SIZE (FLOPPY_SECTOR_SIZE * 2)
extern map_t* map_open(char* dev, int flags);
extern map_t* map_open(device_io_t *device);
extern void map_close(map_t *map);
extern int map_get_number(map_t *map);
extern int map_read(map_t *map, int part);
@ -165,16 +166,11 @@ extern int map_bootblock_read(map_t* map, char* bootblock);
extern int map_bootblock_write(map_t* map, char* bootblock);
extern int map_bootblock_get_type(char* bootblock);
extern int map_bootblock_is_valid(char *bootblock);
extern int emile_scsi_get_dev(int fd, int* driver, int *disk, int *partition);
extern int emile_get_dev_name(char *s, int driver, int disk, int partition);
extern int map_set_startup(char* dev_name, int partition);
extern int emile_scsi_get_rdev(char* dev_name, int* driver, int *disk, int *partition);
extern int map_set_startup(map_t *map, int partition);
extern int emile_is_apple_driver(map_t *map);
extern int map_has_apple_driver(map_t *map);
extern int map_seek_driver_partition(map_t *map, int start);
extern int emile_get_uncompressed_size(char *file);
extern int map_get_bootinfo(map_t* map, int* bootstart, int *bootsize, int *bootaddr, int *bootentry, int* checksum, char* processor);
extern char* map_dev(map_t *map);
extern int map_set_bootinfo(map_t *map, int bootstart, int bootsize, int bootaddr, int bootentry, int checksum, char* processor);
extern int map_set_driver_info(map_t *map, int number, int block, int size, int type);
extern int map_set_driver_number(map_t *map, int number);

7
libmap/map_block0_write.c
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@ -13,11 +13,8 @@ int map_block0_write(map_t *map)
{
int ret;
ret = lseek(map->fd, 0, SEEK_SET);
if (ret != 0)
return -1;
ret = write(map->fd, &map->drivers, sizeof(map->drivers));
ret = map->device->write_sector(map->device, 0,
&map->drivers, sizeof(map->drivers));
return ret;
}

10
libmap/map_bootblock_read.c
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@ -16,20 +16,14 @@ int map_bootblock_read(map_t* map, char* bootblock)
{
off_t offset;
int ret;
int fd;
if (!map_partition_is_valid(map))
return -1;
fd = open(map->name, O_RDONLY);
if (fd == -1)
return -1;
offset = read_long((u_int32_t*)&map->partition.PyPartStart) * 512;
lseek(fd, offset, SEEK_SET);
ret = read(fd, bootblock, BOOTBLOCK_SIZE);
close(fd);
ret = map->device->read_sector(map->device,
offset, bootblock, BOOTBLOCK_SIZE);
return ret;
}

14
libmap/map_bootblock_write.c
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@ -14,22 +14,16 @@
int map_bootblock_write(map_t* map, char* bootblock)
{
char name[MAP_NAME_LEN];
off_t offset;
int ret;
int fd;
if (!map_partition_is_valid(map))
return -1;
sprintf(name, "%s%d", map->name, map->current + 1);
offset = read_long((u_int32_t*)&map->partition.PyPartStart) * 512;
fd = open(name, O_WRONLY);
if (fd == -1)
return -1;
ret = write(fd, bootblock, BOOTBLOCK_SIZE);
close(fd);
ret = map->device->write_sector(map->device,
offset, bootblock, BOOTBLOCK_SIZE);
return ret;
}

1
libmap/map_close.c
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@ -11,6 +11,5 @@
void map_close(map_t *map)
{
close(map->fd);
free(map);
}

17
libmap/map_dev.c
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@ -1,17 +0,0 @@
/*
*
* (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <stdio.h>
#include "libmap.h"
char* map_dev(map_t *map)
{
if (!map_partition_is_valid(map))
return NULL;
return map->name;
}

17
libmap/map_open.c
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@ -13,7 +13,7 @@
#include "libmap.h"
map_t* map_open(char *dev, int flags)
map_t* map_open(device_io_t *device)
{
map_t *map;
int ret;
@ -27,23 +27,18 @@ map_t* map_open(char *dev, int flags)
if (map == NULL)
return NULL;
map->fd = open(dev, flags);
if (map->fd == -1)
{
free(map);
return NULL;
}
strncpy(map->name, dev, MAP_NAME_LEN);
map->name[MAP_NAME_LEN - 1] = 0;
map->device = device;
ret = read(map->fd, &map->drivers, sizeof(map->drivers));
ret = device->read_sector(map->device, 0,
&map->drivers, sizeof(map->drivers));
if (ret == -1)
{
free(map);
return NULL;
}
ret = read(map->fd, &map->partition, sizeof(map->partition));
ret = device->read_sector(map->device, sizeof(map->drivers),
&map->partition, sizeof(map->partition));
if (ret == -1)
{
free(map);

9
libmap/map_read.c
View File

@ -22,12 +22,9 @@ int map_read(map_t *map, int part)
offset = part * sizeof(struct Partition) + sizeof(struct DriverDescriptor);
ret = lseek(map->fd, offset, SEEK_SET);
if (ret != offset)
return -1;
ret = read(map->fd, &map->partition, sizeof(struct Partition));
if (ret != sizeof(struct Partition))
ret = map->device->read_sector(map->device, offset, &map->partition,
sizeof(struct Partition));
if (ret == -1)
return -1;
map->current = part;

8
libmap/map_set_startup.c
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@ -12,17 +12,12 @@
#include "libmap.h"
int map_set_startup(char* dev_name, int partition)
int map_set_startup(map_t *map, int partition)
{
map_t* map;
char *part_type;
int ret;
int i;
map = map_open(dev_name, O_RDWR);
if (map == NULL)
return -1;
/* check partition type */
ret = map_read(map, partition);
@ -52,7 +47,6 @@ int map_set_startup(char* dev_name, int partition)
return -1;
}
}
map_close(map);
return 0;
}

12
libmap/map_write.c
View File

@ -17,14 +17,12 @@ int map_write(map_t *map, int part)
if (part > map->partition.MapBlkCnt)
return -1;
offset = part * sizeof(struct Partition) + sizeof(struct DriverDescriptor);
offset = part * sizeof(struct Partition) +
sizeof(struct DriverDescriptor);
ret = lseek(map->fd, offset, SEEK_SET);
if (ret != offset)
return -1;
ret = write(map->fd, &map->partition, sizeof(struct Partition));
if (ret != sizeof(struct Partition))
ret = map->device->write_sector(map->device, offset, &map->partition,
sizeof(struct Partition));
if (ret != -1)
return -1;
map->current = part;