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allow to manage several kernels

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This commit is contained in:
Laurent Vivier 2007-05-24 17:27:35 +00:00
parent d13cb5bd7a
commit 8d44531bf9
1 changed files with 38 additions and 12 deletions
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46
second/config.c
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@ -13,6 +13,7 @@
#endif
#include "arch.h"
#include "misc.h"
#include "bank.h"
#define MAX_KERNELS 20
@ -88,22 +89,38 @@ static int get_next_property(int8_t *configuration, int index, char *name, char
return next_line - (char*)configuration;
}
static int get_property(int8_t *configuration, char *name, char *property)
static int get_indexed_property(int8_t *configuration, char *index_name, char *index_property, char *name, char *property)
{
int found = (index_property == NULL); /* means not indexed */
int index = 0;
char current_name[256];
while (1)
{
index = get_next_property(configuration, index,
current_name, property);
if (index == -1)
break;
return -1;
if (found)
{
if (strcmp(name, current_name) == 0)
return 0;
}
else
{
if ( (strcmp(index_name, current_name) == 0) &&
(strcmp(index_property, property) == 0) )
found = 1;
}
}
return -1;
}
static int get_property(int8_t *configuration, char *name, char *property)
{
return get_indexed_property(configuration, NULL, NULL, name, property);
}
static int8_t *open_config(emile_l2_header_t *info)
{
stream_t *stream;
@ -263,6 +280,12 @@ int read_config(emile_l2_header_t* info,
configuration = open_config(info);
if (get_property(configuration, "gestaltID", property) == 0)
{
machine_id = strtol(property, NULL, 0);
printf("User forces gestalt ID to %ld\n", machine_id);
}
for (index = 0; index < MAX_KERNELS; index++)
{
memset(config + index, 0, sizeof(emile_config_t));
@ -277,7 +300,8 @@ int read_config(emile_l2_header_t* info,
}
}
if (get_property(configuration, "kernel", property) == 0)
if (get_indexed_property(configuration, "title", config[index].title,
"kernel", property) == 0)
{
config[index].kernel = strdup(property);
if (config[index].kernel == NULL)
@ -293,7 +317,8 @@ int read_config(emile_l2_header_t* info,
break;
}
if (get_property(configuration, "parameters", property) == 0)
if (get_indexed_property(configuration, "title", config[index].title,
"parameters", property) == 0)
{
config[index].parameters =
(char*)malloc(COMMAND_LINE_LENGTH);
@ -307,7 +332,8 @@ int read_config(emile_l2_header_t* info,
COMMAND_LINE_LENGTH - 1);
}
if (get_property(configuration, "initrd", property) == 0)
if (get_indexed_property(configuration, "title", config[index].title,
"initrd", property) == 0)
{
config[index].initrd = strdup(property);
if (config[index].initrd == NULL)
@ -317,13 +343,13 @@ int read_config(emile_l2_header_t* info,
}
}
if (get_property(configuration, "gestaltID", property) == 0)
{
machine_id = strtol(property, NULL, 0);
printf("User forces gestalt ID to %ld\n", machine_id);
}
if (config[index].title == NULL) /* if no title, only one entry */
break;
}
printf("EMILE v"VERSION" (c) 2004-2007 Laurent Vivier (%ld kB)\n",
bank_mem_avail() / 1024);
*kernel_path = config[0].kernel;
*command_line = config[0].parameters;
*ramdisk_path = config[0].initrd;