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EM06 header
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@ -130,10 +130,11 @@ static int aggregate(int fd, char* first_level, char* second_level, char* kernel
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int emile_floppy_create_image(char* first_level, char* second_level,
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char* kernel_image, char* ramdisk,
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unsigned long buffer_size, char* image)
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char* image)
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{
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int ret;
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int fd;
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char configuration[1024];
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if (image == NULL)
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return -1;
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@ -183,12 +184,14 @@ int emile_floppy_create_image(char* first_level, char* second_level,
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/* set second level info */
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ret = emile_second_set_kernel(fd, kernel_image,
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sprintf(configuration, "kernel block:(fd0)0x%lx\n",
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FIRST_LEVEL_SIZE + emile_file_get_size(second_level));
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sprintf(configuration + strlen(configuration), "initrd block:(fd0)0x%lx,0x%lx",
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FIRST_LEVEL_SIZE +
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emile_file_get_size(second_level),
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ramdisk);
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lseek(fd, FIRST_LEVEL_SIZE, SEEK_SET);
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ret = emile_second_set_buffer_size(fd, buffer_size);
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emile_file_get_size(second_level) + emile_file_get_size(kernel_image),
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emile_file_get_size(ramdisk));
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ret = emile_second_set_configuration(fd, configuration);
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close(fd);
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35
libemile/emile_second_get_configuration.c
Normal file
35
libemile/emile_second_get_configuration.c
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@ -0,0 +1,35 @@
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/*
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*
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* (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "libemile.h"
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#include "emile.h"
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char* emile_second_get_configuration(int fd)
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{
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char *conf;
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emile_l2_header_t header;
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int ret;
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int size;
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ret = read(fd, &header, sizeof(header));
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if (ret != sizeof(header))
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return NULL;
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size = read_short(&header.conf_size);
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conf = (char*)malloc(size);
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if (conf == NULL)
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return NULL;
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ret = read(fd, conf, size);
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if (ret != size)
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return NULL;
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return conf;
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}
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42
libemile/emile_second_set_configuration.c
Normal file
42
libemile/emile_second_set_configuration.c
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@ -0,0 +1,42 @@
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/*
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*
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* (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libemile.h"
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#include "emile.h"
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#include "bootblock.h"
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int emile_second_set_configuration(int fd, char *configuration)
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{
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emile_l2_header_t header;
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int ret;
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int size;
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int len;
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if (configuration == NULL)
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return EEMILE_CANNOT_READ_SECOND;
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len = strlen (configuration) + 1; /* + 1 for ending 0 */
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ret = read(fd, &header, sizeof(header));
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if (ret != sizeof(header))
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return EEMILE_CANNOT_READ_SECOND;
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size = read_short(&header.conf_size);
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if (len > size)
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return EEMILE_CANNOT_READ_SECOND;
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ret = write(fd, configuration, len);
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if (ret != len)
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return EEMILE_CANNOT_WRITE_SECOND;
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return 0;
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}
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@ -97,7 +97,7 @@ extern int emile_second_get_buffer_size(int fd, unsigned int *buffer_size);
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extern int emile_second_set_kernel_scsi(int fd, char *kernel_name);
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extern int emile_floppy_create_image(char* first_level, char* second_level,
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char* kernel_image, char* ramdisk,
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unsigned long buffer_size, char* image);
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char* image);
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extern int emile_scsi_create_container(int fd,
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struct emile_container* container);
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extern emile_map_t* emile_map_open(char* dev, int flags);
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@ -144,4 +144,6 @@ extern int emile_map_set_bootinfo(emile_map_t *map, int bootstart, int bootsize,
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extern int emile_map_set_driver_info(emile_map_t *map, int number, int block, int size, int type);
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extern int emile_map_set_driver_number(emile_map_t *map, int number);
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extern int emile_block0_write(emile_map_t *map);
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extern char* emile_second_get_configuration(int fd);
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extern int emile_second_set_configuration(int fd, char *configuration);
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#endif
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