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authorGuillaume Cottenceau <gc@mandriva.com>2003-10-22 19:17:52 +0000
committerGuillaume Cottenceau <gc@mandriva.com>2003-10-22 19:17:52 +0000
commit287245dab721c6049a946dffb32152fc2839c015 (patch)
tree30f930d553eef13c637ad93daac3b44414a2155b /mdk-stage1
parenta10fa197aa09ed22806d4677093d5ce44c5ec266 (diff)
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handle "boot" clp and "main" clp. passing argument "live" can force to not use the clp in favor of live tree.
Diffstat (limited to 'mdk-stage1')
-rw-r--r--mdk-stage1/Makefile2
-rw-r--r--mdk-stage1/config-stage1.h1
-rw-r--r--mdk-stage1/log.c2
-rw-r--r--mdk-stage1/log.h2
-rw-r--r--mdk-stage1/network.c2
-rw-r--r--mdk-stage1/stage1.c63
-rw-r--r--mdk-stage1/stage1.h2
-rw-r--r--mdk-stage1/tools.c3
-rw-r--r--mdk-stage1/tools.h2
9 files changed, 57 insertions, 22 deletions
diff --git a/mdk-stage1/Makefile b/mdk-stage1/Makefile
index bb63f5c07..d04c176e5 100644
--- a/mdk-stage1/Makefile
+++ b/mdk-stage1/Makefile
@@ -57,7 +57,7 @@ ifeq (i386, $(ARCH))
INITSRC = minilibc.c init.c
INIT_DEFS = -DINIT_HEADERS=\"minilibc.h\" -fno-builtin
INIT_DEFS_ADD = -DBINARY=\"/sbin/stage1\"
-INIT_DEFS_ADD_MANDRAKE_MOVE = -DBINARY=\"/usr/bin/runstage2\"
+INIT_DEFS_ADD_MANDRAKE_MOVE = -DBINARY=\"/usr/bin/runstage2.pl\"
else
ifeq (x86_64, $(ARCH))
INITSRC = minilibc.c init.c
diff --git a/mdk-stage1/config-stage1.h b/mdk-stage1/config-stage1.h
index 57041bfa5..68ffbff2a 100644
--- a/mdk-stage1/config-stage1.h
+++ b/mdk-stage1/config-stage1.h
@@ -38,6 +38,7 @@
#define SLASH_LOCATION "/sysroot"
#define RAW_LOCATION_REL "/image_raw"
#define LIVE_LOCATION_REL "/image"
+#define BOOT_LOCATION "/sysroot/image_boot"
#else
#define DISTRIB_NAME "Mandrake Linux"
#define IMAGE_LOCATION "/tmp/image"
diff --git a/mdk-stage1/log.c b/mdk-stage1/log.c
index 0404ba46b..e41653305 100644
--- a/mdk-stage1/log.c
+++ b/mdk-stage1/log.c
@@ -67,7 +67,7 @@ void log_message(const char * s, ...)
return;
}
-void log_perror(char *msg)
+void log_perror(const char *msg)
{
log_message("%s: %s", msg, strerror(errno));
}
diff --git a/mdk-stage1/log.h b/mdk-stage1/log.h
index 90aa3f6e6..ca4f54ebc 100644
--- a/mdk-stage1/log.h
+++ b/mdk-stage1/log.h
@@ -27,7 +27,7 @@
void log_message(const char * s, ...) __attribute__ ((format (printf, 1, 2)));
void vlog_message(const char * s, va_list args);
-void log_perror(char *msg);
+void log_perror(const char *msg);
void open_log(void);
void close_log(void);
diff --git a/mdk-stage1/network.c b/mdk-stage1/network.c
index f6834c55b..ca438736b 100644
--- a/mdk-stage1/network.c
+++ b/mdk-stage1/network.c
@@ -661,7 +661,7 @@ enum return_type nfs_prepare(void)
}
#ifdef MANDRAKE_MOVE
- if (access(IMAGE_LOCATION "/usr/bin/runstage2", R_OK) && access(IMAGE_LOCATION "/live_tree.clp", R_OK)) {
+ if (access(IMAGE_LOCATION "/live_tree/etc/fstab", R_OK) && access(IMAGE_LOCATION "/live_tree.clp", R_OK)) {
#else
if (access(IMAGE_LOCATION LIVE_LOCATION, R_OK)) {
#endif
diff --git a/mdk-stage1/stage1.c b/mdk-stage1/stage1.c
index 46b08be2c..21bfb3a6d 100644
--- a/mdk-stage1/stage1.c
+++ b/mdk-stage1/stage1.c
@@ -388,29 +388,53 @@ int mandrake_move_pre(void)
return RETURN_OK;
}
+
int mandrake_move_post(void)
{
FILE *f;
char buf[5000];
int fd;
char rootdev[] = "0x0100";
- int real_is_symlink_to_raw = 0;
+ int boot__real_is_symlink_to_raw = 0;
+ int main__real_is_symlink_to_raw = 0;
+ char* clp = IMAGE_LOCATION "/live_tree_boot.clp";
+ char* live = IMAGE_LOCATION "/live_tree_boot/usr/bin/runstage2.pl";
+
+ if (IS_LIVE || access(clp, R_OK)) {
+ log_message("no %s found (or disabled), trying to fallback on plain tree", clp);
+ if (!access(live, R_OK)) {
+ if (scall(symlink(IMAGE_LOCATION "/live_tree_boot", BOOT_LOCATION), "symlink"))
+ return RETURN_ERROR;
+ boot__real_is_symlink_to_raw = 1;
+ goto live_tree_clp;
+ }
+ log_message("move: panic, can't find %s nor %s", clp, live);
+ return RETURN_ERROR;
+ }
- if (!access(IMAGE_LOCATION "/move/symlinks", R_OK)) {
- log_message("move: seems we don't use a gzloop since " IMAGE_LOCATION "/move/symlinks is here");
- if (scall(symlink(IMAGE_LOCATION, IMAGE_LOCATION_REAL), "symlink"))
- return RETURN_ERROR;
- real_is_symlink_to_raw = 1;
- } else {
- if (access(IMAGE_LOCATION "/live_tree.clp", R_OK)) {
- log_message("move: panic, " IMAGE_LOCATION "/move/symlinks isn't here but " IMAGE_LOCATION "/live_tree.clp neither");
- return RETURN_ERROR;
- } else {
- if (lomount(IMAGE_LOCATION "/live_tree.clp", IMAGE_LOCATION_REAL, 1))
- stg1_error_message("Could not mount compressed loopback :(.");
+ if (lomount(clp, BOOT_LOCATION, NULL, 1))
+ stg1_error_message("Could not mount boot compressed loopback :(.");
+
+ live_tree_clp:
+ clp = IMAGE_LOCATION "/live_tree.clp";
+ live = IMAGE_LOCATION "/live_tree/etc/fstab";
+ if (IS_LIVE || access(clp, R_OK)) {
+ log_message("no %s found (or disabled), trying to fallback on plain tree", clp);
+ if (!access(live, R_OK)) {
+ if (scall(symlink(IMAGE_LOCATION "/live_tree", IMAGE_LOCATION_REAL), "symlink"))
+ return RETURN_ERROR;
+ main__real_is_symlink_to_raw = 1;
+ goto live_tree_ok;
}
+ log_message("move: panic, can't find %s nor %s", clp, live);
+ return RETURN_ERROR;
}
+ if (lomount(clp, IMAGE_LOCATION_REAL, NULL, 1))
+ stg1_error_message("Could not mount main compressed loopback :(.");
+
+
+live_tree_ok:
if (scall(!(f = fopen(IMAGE_LOCATION_REAL "/move/symlinks", "rb")), "fopen"))
return RETURN_ERROR;
while (fgets(buf, sizeof(buf), f)) {
@@ -441,13 +465,20 @@ int mandrake_move_post(void)
}
fclose(f);
- if (real_is_symlink_to_raw) {
+ if (boot__real_is_symlink_to_raw) {
+ if (scall(unlink(BOOT_LOCATION), "unlink"))
+ return RETURN_ERROR;
+ if (scall(symlink(RAW_LOCATION_REL "/live_tree_boot", BOOT_LOCATION), "symlink"))
+ return RETURN_ERROR;
+ }
+
+ if (main__real_is_symlink_to_raw) {
if (scall(unlink(IMAGE_LOCATION_REAL), "unlink"))
return RETURN_ERROR;
- if (scall(symlink(RAW_LOCATION_REL, IMAGE_LOCATION_REAL), "symlink"))
+ if (scall(symlink(RAW_LOCATION_REL "/live_tree", IMAGE_LOCATION_REAL), "symlink"))
return RETURN_ERROR;
}
-
+
log_message("move: pivot_rooting");
// trick so that kernel won't try to mount the root device when initrd exits
if (scall((fd = open("/proc/sys/kernel/real-root-dev", O_WRONLY)) < 0, "open"))
diff --git a/mdk-stage1/stage1.h b/mdk-stage1/stage1.h
index 94f99e7c7..0b47b7b93 100644
--- a/mdk-stage1/stage1.h
+++ b/mdk-stage1/stage1.h
@@ -36,6 +36,7 @@ extern char * stage2_kickstart;
#define MODE_EXPERT (1 << 1)
#define MODE_RESCUE (1 << 3)
#define MODE_AUTOMATIC (1 << 4)
+#define MODE_LIVE (1 << 5)
#define MODE_SPECIAL_STAGE2 (1 << 8)
#define MODE_RAMDISK (1 << 9)
#define MODE_CHANGEDISK (1 << 10)
@@ -48,6 +49,7 @@ extern char * stage2_kickstart;
#define IS_EXPERT (get_param(MODE_EXPERT))
#define IS_RESCUE (get_param(MODE_RESCUE))
#define IS_AUTOMATIC (get_param(MODE_AUTOMATIC))
+#define IS_LIVE (get_param(MODE_LIVE))
#define IS_SPECIAL_STAGE2 (get_param(MODE_SPECIAL_STAGE2))
#define IS_RAMDISK (get_param(MODE_RAMDISK))
#define IS_CHANGEDISK (get_param(MODE_CHANGEDISK))
diff --git a/mdk-stage1/tools.c b/mdk-stage1/tools.c
index 89c87fbd1..aa9be8f83 100644
--- a/mdk-stage1/tools.c
+++ b/mdk-stage1/tools.c
@@ -94,6 +94,7 @@ void process_cmdline(void)
if (!strcmp(name, "netauto")) set_param(MODE_NETAUTO);
if (!strcmp(name, "recovery")) set_param(MODE_RECOVERY);
if (!strcmp(name, "special_stage2")) set_param(MODE_SPECIAL_STAGE2);
+ if (!strcmp(name, "live")) set_param(MODE_LIVE);
if (!strcmp(name, "automatic")) {
set_param(MODE_AUTOMATIC);
grab_automatic_params(value);
@@ -180,7 +181,7 @@ void unset_param(int i)
// warning, many things rely on the fact that:
// - when failing it returns 0
// - it stops on first non-digit char
-int charstar_to_int(char * s)
+int charstar_to_int(const char * s)
{
int number = 0;
while (*s && isdigit(*s)) {
diff --git a/mdk-stage1/tools.h b/mdk-stage1/tools.h
index c6c9aea14..9da8c3445 100644
--- a/mdk-stage1/tools.h
+++ b/mdk-stage1/tools.h
@@ -28,7 +28,7 @@ void process_cmdline(void);
int get_param(int i);
void set_param(int i);
void unset_param(int i);
-int charstar_to_int(char * s);
+int charstar_to_int(const char * s);
int total_memory(void);
int ramdisk_possible(void);
char * get_ramdisk_realname(void);