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-rw-r--r--mdk-stage1/cdrom.c161
1 files changed, 103 insertions, 58 deletions
diff --git a/mdk-stage1/cdrom.c b/mdk-stage1/cdrom.c
index c3ff2e802..71db1da16 100644
--- a/mdk-stage1/cdrom.c
+++ b/mdk-stage1/cdrom.c
@@ -1,7 +1,7 @@
/*
- * Guillaume Cottenceau (gc@mandrakesoft.com)
+ * Guillaume Cottenceau (gc)
*
- * Copyright 2000 MandrakeSoft
+ * Copyright 2000 Mandriva
*
* This software may be freely redistributed under the terms of the GNU
* public license.
@@ -30,6 +30,8 @@
#include "probing.h"
#include "log.h"
#include "mount.h"
+#include "tools.h"
+#include "utils.h"
#include "cdrom.h"
@@ -37,17 +39,15 @@
static int mount_that_cd_device(char * dev_name)
{
char device_fullname[50];
+ int mount_result;
- strcpy(device_fullname, "/dev/");
- strcat(device_fullname, dev_name);
+ snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
- return my_mount(device_fullname, IMAGE_LOCATION, "iso9660", 0);
-}
+ mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
+ create_IMAGE_LOCATION(MEDIA_LOCATION);
-static int test_that_cd()
-{
- return access(IMAGE_LOCATION LIVE_LOCATION, R_OK);
+ return mount_result;
}
@@ -55,9 +55,9 @@ static enum return_type try_with_device(char * dev_name, char * dev_model);
static enum return_type do_with_device(char * dev_name, char * dev_model)
{
- if (test_that_cd()) {
+ if (!image_has_stage2()) {
enum return_type results;
- umount(IMAGE_LOCATION);
+ umount(MEDIA_LOCATION);
results = ask_yes_no("That CDROM disc does not seem to be a " DISTRIB_NAME " Installation CDROM.\nRetry with another disc?");
if (results == RETURN_OK)
return try_with_device(dev_name, dev_model);
@@ -66,13 +66,13 @@ static enum return_type do_with_device(char * dev_name, char * dev_model)
log_message("found a " DISTRIB_NAME " CDROM, good news!");
- if (IS_SPECIAL_STAGE2 || ramdisk_possible())
- load_ramdisk(); /* we don't care about return code, we'll do it live if we failed */
+ may_load_compressed_image();
- if (IS_RESCUE)
- umount(IMAGE_LOCATION);
+ if (!KEEP_MOUNTED)
+ /* in rescue mode, we don't need the media anymore */
+ umount(MEDIA_LOCATION);
- method_name = strdup("cdrom");
+ add_to_env("METHOD", "cdrom");
return RETURN_OK;
}
@@ -83,7 +83,7 @@ static enum return_type try_with_device(char * dev_name, char * dev_model)
if (mount_that_cd_device(dev_name) == -1) {
enum return_type results;
char msg[500];
- unset_param(MODE_AUTOMATIC); /* we are in a fallback mode */
+ unset_automatic(); /* we are in a fallback mode */
remove_wait_message();
snprintf(msg, sizeof(msg), "I can't access a " DISTRIB_NAME " Installation disc in your CDROM drive (%s).\nRetry?", dev_model);
@@ -97,27 +97,94 @@ static enum return_type try_with_device(char * dev_name, char * dev_model)
return do_with_device(dev_name, dev_model);
}
+int try_automatic(char ** medias, char ** medias_models)
+{
+ static char * already_tried[50] = { NULL };
+ char ** model = medias_models;
+ char ** ptr = medias;
+ int i = 0;
+ while (ptr && *ptr) {
+ char ** p;
+ for (p = already_tried; p && *p; p++)
+ if (streq(*p, *ptr))
+ goto try_automatic_already_tried;
+ *p = strdup(*ptr);
+ *(p+1) = NULL;
+
+ wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
+ if (mount_that_cd_device(*ptr) != -1) {
+ if (image_has_stage2()) {
+ remove_wait_message();
+ return i;
+ }
+ else
+ umount(MEDIA_LOCATION);
+ }
+ remove_wait_message();
+
+ try_automatic_already_tried:
+ ptr++;
+ model++;
+ i++;
+ }
+ return -1;
+}
+
enum return_type cdrom_prepare(void)
{
char ** medias, ** ptr, ** medias_models;
char * choice;
int i, count = 0;
enum return_type results;
+ static int already_probed_ide_generic = 0;
- my_insmod("ide-cd", ANY_DRIVER_TYPE, NULL);
- my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL);
-
- get_medias(CDROM, &medias, &medias_models);
+ my_modprobe("ide_cd_mod", ANY_DRIVER_TYPE, NULL);
- ptr = medias;
- while (ptr && *ptr) {
- count++;
- ptr++;
- }
+ if (IS_AUTOMATIC) {
+ get_medias(CDROM, &medias, &medias_models, BUS_IDE);
+ if ((i = try_automatic(medias, medias_models)) != -1)
+ return do_with_device(medias[i], medias_models[i]);
+
+ get_medias(CDROM, &medias, &medias_models, BUS_PCMCIA);
+ if ((i = try_automatic(medias, medias_models)) != -1)
+ return do_with_device(medias[i], medias_models[i]);
+
+ my_modprobe("sr_mod", ANY_DRIVER_TYPE, NULL);
+ get_medias(CDROM, &medias, &medias_models, BUS_SCSI);
+ if ((i = try_automatic(medias, medias_models)) != -1)
+ return do_with_device(medias[i], medias_models[i]);
+
+ get_medias(CDROM, &medias, &medias_models, BUS_USB);
+ if ((i = try_automatic(medias, medias_models)) != -1)
+ return do_with_device(medias[i], medias_models[i]);
+
+ /* detect hybrid isos (isos dumped to an USB stick) */
+ my_modprobe("sd_mod", ANY_DRIVER_TYPE, NULL);
+ get_medias(DISK, &medias, &medias_models, BUS_USB);
+ if ((i = try_automatic(medias, medias_models)) != -1) {
+ return do_with_device(medias[i], medias_models[i]);
+ }
+
+ unset_automatic();
+ } else
+ my_modprobe("sr_mod", ANY_DRIVER_TYPE, NULL);
+
+
+ get_medias(CDROM, &medias, &medias_models, BUS_ANY);
+ ptr = medias;
+ while (ptr && *ptr) {
+ count++;
+ ptr++;
+ }
if (count == 0) {
+ if (!already_probed_ide_generic) {
+ already_probed_ide_generic = 1;
+ my_modprobe("ide_generic", ANY_DRIVER_TYPE, NULL);
+ return cdrom_prepare();
+ }
stg1_error_message("No CDROM device found.");
- i = ask_insmod(SCSI_ADAPTERS);
+ i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
@@ -127,54 +194,32 @@ enum return_type cdrom_prepare(void)
results = try_with_device(*medias, *medias_models);
if (results == RETURN_OK)
return RETURN_OK;
- i = ask_insmod(SCSI_ADAPTERS);
+ i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
- if (IS_AUTOMATIC) {
+ results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
+ if (results == RETURN_OK) {
char ** model = medias_models;
ptr = medias;
- while (ptr && *ptr) {
- wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
- if (mount_that_cd_device(*ptr) != -1) {
- if (!test_that_cd()) {
- remove_wait_message();
- return do_with_device(*ptr, *model);
- }
- else
- umount(IMAGE_LOCATION);
- }
- remove_wait_message();
+ while (ptr && *ptr && model && *model) {
+ if (!strcmp(*ptr, choice))
+ break;
ptr++;
model++;
}
- unset_param(MODE_AUTOMATIC);
- return cdrom_prepare();
- }
- else {
- results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
- if (results == RETURN_OK) {
- char ** model = medias_models;
- ptr = medias;
- while (ptr && *ptr && model && *model) {
- if (!strcmp(*ptr, choice))
- break;
- ptr++;
- model++;
- }
results = try_with_device(choice, *model);
- } else
- return results;
- }
+ } else
+ return results;
if (results == RETURN_OK)
return RETURN_OK;
if (results == RETURN_BACK)
return cdrom_prepare();
- i = ask_insmod(SCSI_ADAPTERS);
+ i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();