aboutsummaryrefslogtreecommitdiff
path: root/libdiskfs/boot-start.c
diff options
context:
space:
mode:
Diffstat (limited to 'libdiskfs/boot-start.c')
-rw-r--r--libdiskfs/boot-start.c44
1 files changed, 34 insertions, 10 deletions
diff --git a/libdiskfs/boot-start.c b/libdiskfs/boot-start.c
index 0fb3e89d..f048badf 100644
--- a/libdiskfs/boot-start.c
+++ b/libdiskfs/boot-start.c
@@ -40,6 +40,7 @@
static mach_port_t diskfs_exec_ctl;
extern task_t diskfs_exec_server_task;
+extern task_t diskfs_kernel_task;
static task_t parent_task = MACH_PORT_NULL;
static pthread_mutex_t execstartlock;
@@ -206,9 +207,6 @@ diskfs_start_bootstrap ()
/* We have a boot command line to run instead of init. */
err = argz_create (_diskfs_boot_command, &exec_argv, &exec_argvlen);
assert_perror (err);
- initname = exec_argv;
- while (*initname == '/')
- initname++;
}
else
{
@@ -223,10 +221,42 @@ diskfs_start_bootstrap ()
err = argz_add_sep (&exec_argv, &exec_argvlen,
diskfs_boot_command_line, ' ');
assert_perror (err);
+ }
+
+ err = task_create (mach_task_self (),
+#ifdef KERN_INVALID_LEDGER
+ NULL, 0, /* OSF Mach */
+#endif
+ 0, &newt);
+ assert_perror (err);
- initname = exec_argv + 1;
+ if (MACH_PORT_VALID (diskfs_kernel_task))
+ {
+ mach_port_t kernel_task_name = MACH_PORT_NULL;
+ char buf[20];
+ int len;
+
+ do
+ {
+ kernel_task_name += 1;
+ err = mach_port_insert_right (newt, kernel_task_name,
+ diskfs_kernel_task, MACH_MSG_TYPE_MOVE_SEND);
+ }
+ while (err == KERN_NAME_EXISTS);
+ diskfs_kernel_task = MACH_PORT_NULL;
+
+ len = snprintf (buf, sizeof buf, "--kernel-task=%d", kernel_task_name);
+ assert (len < sizeof buf);
+ /* Insert as second argument. */
+ err = argz_insert (&exec_argv, &exec_argvlen,
+ argz_next (exec_argv, exec_argvlen, exec_argv), buf);
+ assert_perror (err);
}
+ initname = exec_argv;
+ while (*initname == '/')
+ initname++;
+
lookup_init:
err = dir_lookup (root_pt, (char *) initname, O_READ, 0, &retry, pathbuf,
&startup_pt);
@@ -270,12 +300,6 @@ diskfs_start_bootstrap ()
err = argz_create (environ, &exec_env, &exec_envlen);
assert_perror (err);
- err = task_create (mach_task_self (),
-#ifdef KERN_INVALID_LEDGER
- NULL, 0, /* OSF Mach */
-#endif
- 0, &newt);
- assert_perror (err);
if (_diskfs_boot_pause)
{
printf ("pausing for %s...\n", exec_argv);