diff options
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/boot.c | 275 |
1 files changed, 49 insertions, 226 deletions
diff --git a/boot/boot.c b/boot/boot.c index 2d8177d9..e0f8f80a 100644 --- a/boot/boot.c +++ b/boot/boot.c @@ -1,5 +1,5 @@ /* Load a task using the single server, and then run it - as if we were the kernel. + as if we were the kernel. Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of the GNU Hurd. @@ -9,7 +9,7 @@ it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -The GNU Hurd is distributed in the hope that it will be useful, +The GNU Hurd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -259,7 +259,7 @@ struct sgttyb char unused[4]; short flags; }; - + #define SIGIO 23 #define SIGEMSG 30 @@ -282,7 +282,7 @@ sigsetmask (int mask) { return syscall (110, mask); } - + int sigpause (int mask) { @@ -348,7 +348,6 @@ int request_server (mach_msg_header_t *inp, mach_msg_header_t *outp) { - extern int exec_server (mach_msg_header_t *, mach_msg_header_t *); extern int io_server (mach_msg_header_t *, mach_msg_header_t *); extern int device_server (mach_msg_header_t *, mach_msg_header_t *); extern int notify_server (mach_msg_header_t *, mach_msg_header_t *); @@ -370,8 +369,7 @@ request_server (mach_msg_header_t *inp, } else #endif - return (exec_server (inp, outp) - || io_server (inp, outp) + return (io_server (inp, outp) || device_server (inp, outp) || notify_server (inp, outp) || term_server (inp, outp) @@ -399,7 +397,7 @@ load_image (task_t t, task_terminate (t); uxexit (1); } - + read (fd, &hdr, sizeof hdr); if (*(Elf32_Word *) hdr.e.e_ident == *(Elf32_Word *) "\177ELF") { @@ -426,7 +424,7 @@ load_image (task_t t, vm_allocate (t, (vm_address_t*)&ph->p_vaddr, ph->p_memsz, 0); vm_write (t, ph->p_vaddr, buf, bufsz); vm_deallocate (mach_task_self (), buf, bufsz); - vm_protect (t, ph->p_vaddr, ph->p_memsz, 0, + vm_protect (t, ph->p_vaddr, ph->p_memsz, 0, ((ph->p_flags & PF_R) ? VM_PROT_READ : 0) | ((ph->p_flags & PF_W) ? VM_PROT_WRITE : 0) | ((ph->p_flags & PF_X) ? VM_PROT_EXECUTE : 0)); @@ -444,7 +442,7 @@ load_image (task_t t, char *buf; headercruft = sizeof (struct exec) * (magic == ZMAGIC); - + amount = headercruft + hdr.a.a_text + hdr.a.a_data; rndamount = round_page (amount); vm_allocate (mach_task_self (), (u_int *)&buf, rndamount, 1); @@ -472,8 +470,6 @@ void msg_thread (); /* Callbacks for boot_script.c; see boot_script.h. */ -mach_port_t boot_script_task_port; - void * boot_script_malloc (int size) { @@ -487,51 +483,6 @@ boot_script_free (void *ptr, int size) } mach_port_t -boot_script_task_create () -{ - mach_port_t task; - - if (task_create (mach_task_self (), 0, &task)) - return MACH_PORT_NULL; - - /* We don't want it to inherit our UX bootstrap port. */ - task_set_bootstrap_port (task, MACH_PORT_NULL); - - return task; -} - -void -boot_script_task_terminate (mach_port_t task) -{ - task_terminate (task); -} - -void -boot_script_task_suspend (mach_port_t task) -{ - task_suspend (task); -} - -int -boot_script_task_resume (mach_port_t task) -{ - return task_resume (task); -} - -void -boot_script_port_deallocate (mach_port_t task, mach_port_t port) -{ - mach_port_deallocate (task, port); -} - -int -boot_script_port_insert_right (mach_port_t task, mach_port_t name, - mach_port_t port, mach_msg_type_name_t right) -{ - return mach_port_insert_right (task, name, port, right); -} - -mach_port_t boot_script_read_file (const char *filename) { static const char msg[] = ": cannot open\n"; @@ -641,8 +592,6 @@ main (int argc, char **argv, char **envp) defpager = MACH_PORT_NULL; vm_set_default_memory_manager (privileged_host_port, &defpager); - boot_script_task_port = mach_task_self (); - if (argc < 2 || (argv[1][0] == '-' && argc < 3)) { usage: @@ -678,8 +627,8 @@ main (int argc, char **argv, char **envp) mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_PORT_SET, &receive_set); - - mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, + + mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, &pseudo_master_device_port); mach_port_insert_right (mach_task_self (), pseudo_master_device_port, @@ -692,7 +641,7 @@ main (int argc, char **argv, char **envp) &pseudo_console); mach_port_move_member (mach_task_self (), pseudo_console, receive_set); mach_port_request_notification (mach_task_self (), pseudo_console, - MACH_NOTIFY_NO_SENDERS, 1, pseudo_console, + MACH_NOTIFY_NO_SENDERS, 1, pseudo_console, MACH_MSG_TYPE_MAKE_SEND_ONCE, &foo); if (foo != MACH_PORT_NULL) mach_port_deallocate (mach_task_self (), foo); @@ -803,12 +752,12 @@ main (int argc, char **argv, char **envp) cthread_detach (cthread_fork ((cthread_fn_t) msg_thread, (any_t) 0)); - + while (1) { sigpause (0); } - + /* mach_msg_server (request_server, __vm_page_size * 2, receive_set); */ } @@ -826,7 +775,7 @@ set_mach_stack_args (user_task, /* This code is lifted from .../mk/bootstrap/load.c. */ va_list argv_ptr; char * arg_ptr; - + int arg_len; int arg_count; char * arg_pos; @@ -857,7 +806,7 @@ set_mach_stack_args (user_task, arg_len += sizeof(integer_t) + (2 + arg_count) * sizeof(char *); arg_len = (arg_len + (sizeof(integer_t) - 1)) & ~(sizeof(integer_t)-1); - + /* This small piece is from .../mk/bootstrap/i386/exec.c. */ { vm_offset_t stack_start; @@ -898,7 +847,7 @@ set_mach_stack_args (user_task, reg_size); arg_pos = (void *) regs.uesp; - } + } /* * Copy out the arguments. @@ -1036,7 +985,7 @@ queue_read (enum read_type type, struct qr *qr; spin_lock (&queuelock); - + qr = malloc (sizeof (struct qr)); qr->type = type; qr->reply_port = reply_port; @@ -1061,24 +1010,24 @@ read_reply () int amtread; spin_lock (&queuelock); - + if (!qrhead) { spin_unlock (&queuelock); return; } - + qr = qrhead; qrhead = qr->next; if (qr == qrtail) qrtail = 0; spin_unlock (&queuelock); - + ioctl (0, FIONREAD, &avail); if (!avail) return; - + if (qr->type == DEV_READ) vm_allocate (mach_task_self (), (vm_address_t *)&buf, qr->amount, 1); else @@ -1094,7 +1043,7 @@ read_reply () else ds_device_read_reply (qr->reply_port, qr->reply_type, errno, 0, 0); break; - + case DEV_READI: if (amtread >= 0) ds_device_read_reply_inband (qr->reply_port, qr->reply_type, 0, @@ -1103,7 +1052,7 @@ read_reply () ds_device_read_reply_inband (qr->reply_port, qr->reply_type, errno, 0, 0); break; - + case IO_READ: if (amtread >= 0) io_read_reply (qr->reply_port, qr->reply_type, 0, @@ -1193,132 +1142,6 @@ bootstrap_compat(in, out) reply->RetCode = MIG_NO_REPLY; } - -/* Implementation of exec interface */ - - -kern_return_t -S_exec_exec (mach_port_t execserver, - mach_port_t file, - mach_port_t oldtask, - int flags, - data_t argv, - mach_msg_type_number_t argvCnt, - boolean_t argvSCopy, - data_t envp, - mach_msg_type_number_t envpCnt, - boolean_t envpSCopy, - portarray_t dtable, - mach_msg_type_number_t dtableCnt, - boolean_t dtableSCopy, - portarray_t portarray, - mach_msg_type_number_t portarrayCnt, - boolean_t portarraySCopy, - intarray_t intarray, - mach_msg_type_number_t intarrayCnt, - boolean_t intarraySCopy, - mach_port_array_t deallocnames, - mach_msg_type_number_t deallocnamesCnt, - mach_port_array_t destroynames, - mach_msg_type_number_t destroynamesCnt) -{ - return EOPNOTSUPP; -} - -kern_return_t -S_exec_init ( - mach_port_t execserver, - auth_t auth_handle, - process_t proc_server) -{ - /* Kludgy way to get a port to the auth server. */ - authserver = auth_handle; - if (proc_server != MACH_PORT_NULL) - mach_port_deallocate (mach_task_self (), proc_server); - return 0; -} - -kern_return_t -S_exec_setexecdata (mach_port_t execserver, - portarray_t ports, - mach_msg_type_number_t portsCnt, - boolean_t portsSCopy, - intarray_t ints, - mach_msg_type_number_t intsCnt, - boolean_t intsSCopy) -{ - return EOPNOTSUPP; -} - - -kern_return_t -S_exec_startup (mach_port_t port, - u_int *base_addr, - vm_size_t *stack_size, - int *flags, - char **argvP, - u_int *argvlen, - char **envpP, - u_int *envplen, - mach_port_t **dtableP, - mach_msg_type_name_t *dtablepoly, - u_int *dtablelen, - mach_port_t **portarrayP, - mach_msg_type_name_t *portarraypoly, - u_int *portarraylen, - int **intarrayP, - u_int *intarraylen) -{ - mach_port_t *portarray; - int *intarray, nc; - char argv[100]; - -#if 0 - if (!boot_like_hurd) - return EOPNOTSUPP; -#endif - - /* The argv string has nulls in it; so we use %c for the nulls - and fill with constant zero. */ - nc = sprintf (argv, "[BOOTSTRAP %s]%c%s%c%d%c%d%c%s", fsname, '\0', - bootstrap_args, '\0', php_child_name, '\0', - psmdp_child_name, '\0', bootdevice); - - if (nc > *argvlen) - vm_allocate (mach_task_self (), (vm_address_t *)argvP, nc, 1); - bcopy (argv, *argvP, nc); - *argvlen = nc; - - *base_addr = fs_stack_base; - *stack_size = fs_stack_size; - - *flags = 0; - - *envplen = 0; - - if (*portarraylen < INIT_PORT_MAX) - vm_allocate (mach_task_self (), (u_int *)portarrayP, - (INIT_PORT_MAX * sizeof (mach_port_t)), 1); - portarray = *portarrayP; - *portarraylen = INIT_PORT_MAX; - *portarraypoly = MACH_MSG_TYPE_COPY_SEND; - - *dtablelen = 0; - *dtablepoly = MACH_MSG_TYPE_COPY_SEND; - - if (*intarraylen < INIT_INT_MAX) - vm_allocate (mach_task_self (), (u_int *)intarrayP, - (INIT_INT_MAX * sizeof (mach_port_t)), 1); - intarray = *intarrayP; - *intarraylen = INIT_INT_MAX; - - bzero (portarray, INIT_PORT_MAX * sizeof (mach_port_t)); - bzero (intarray, INIT_INT_MAX * sizeof (int)); - - return 0; -} - - /* Imlementiation of tioctl interface */ /* This is bletcherously kludged to work with emacs in a fragile @@ -1361,7 +1184,7 @@ restore_termstate () #undef tcgetattr #undef tcsetattr -kern_return_t +kern_return_t S_tioctl_tiocgeta (mach_port_t port, int modes[], char ccs[], @@ -1379,7 +1202,7 @@ S_tioctl_tiocgeta (mach_port_t port, #else /* Emacs reads the terminal state in one of two cases: 1) Checking whether or not a preceding tiocseta succeeded; - 2) Finding out what the state of the terminal was on startup. + 2) Finding out what the state of the terminal was on startup. In case (1) in only cares that we return exactly what it set; in case (2) it only uses it for a later seta on exit. So we can just tell it what's lying around. */ @@ -1387,9 +1210,9 @@ S_tioctl_tiocgeta (mach_port_t port, modes[1] = term_modes[1]; modes[2] = term_modes[2]; modes[3] = term_modes[3]; - + bcopy (term_ccs, ccs, 20); - + speeds[0] = term_speeds[0]; speeds[1] = term_speeds[1]; return 0; @@ -1412,7 +1235,7 @@ S_tioctl_tiocseta (mach_port_t port, #else /* Emacs sets the termanal stet in one of two cases: 1) Putting the terminal into raw mode for running; - 2) Restoring the terminal to its original state. + 2) Restoring the terminal to its original state. Because ICANON is set in the original state, and because emacs always clears ICANON when running, this tells us which is going on. */ @@ -1481,7 +1304,7 @@ ds_device_open (mach_port_t master_port, { if (master_port != pseudo_master_device_port) return D_INVALID_OPERATION; - + if (!strcmp (name, "console")) { #if 0 @@ -1494,7 +1317,7 @@ ds_device_open (mach_port_t master_port, *devicetype = MACH_MSG_TYPE_MAKE_SEND; return 0; } - + *devicetype = MACH_MSG_TYPE_MOVE_SEND; return device_open (master_device_port, mode, name, device); } @@ -1523,14 +1346,14 @@ ds_device_write (device_t device, #if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } #endif *bytes_written = write (1, data, datalen); - + return (*bytes_written == -1 ? D_IO_ERROR : D_SUCCESS); } @@ -1550,14 +1373,14 @@ ds_device_write_inband (device_t device, #if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } #endif *bytes_written = write (1, data, datalen); - + return (*bytes_written == -1 ? D_IO_ERROR : D_SUCCESS); } @@ -1573,14 +1396,14 @@ ds_device_read (device_t device, { int avail; int mask; - + if (device != pseudo_console) return D_NO_SUCH_DEVICE; -#if 0 +#if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } @@ -1619,10 +1442,10 @@ ds_device_read_inband (device_t device, if (device != pseudo_console) return D_NO_SUCH_DEVICE; -#if 0 +#if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } @@ -1763,7 +1586,7 @@ do_mach_notify_no_senders (mach_port_t notify, else { mach_port_request_notification (mach_task_self (), pseudo_console, - MACH_NOTIFY_NO_SENDERS, + MACH_NOTIFY_NO_SENDERS, console_mscount, pseudo_console, MACH_MSG_TYPE_MAKE_SEND_ONCE, &foo); if (foo != MACH_PORT_NULL) @@ -1810,7 +1633,7 @@ S_io_write (mach_port_t object, #if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } @@ -1834,11 +1657,11 @@ S_io_read (mach_port_t object, if (object != pseudo_console) return EOPNOTSUPP; - + #if 0 if (console_send_rights) { - mach_port_mod_refs (mach_task_self (), pseudo_console, + mach_port_mod_refs (mach_task_self (), pseudo_console, MACH_PORT_TYPE_SEND, -console_send_rights); console_send_rights = 0; } @@ -1862,7 +1685,7 @@ S_io_read (mach_port_t object, } } -kern_return_t +kern_return_t S_io_seek (mach_port_t object, mach_port_t reply_port, mach_msg_type_name_t reply_type, @@ -1885,7 +1708,7 @@ S_io_readable (mach_port_t object, return 0; } -kern_return_t +kern_return_t S_io_set_all_openmodes (mach_port_t object, mach_port_t reply_port, mach_msg_type_name_t reply_type, @@ -2007,7 +1830,7 @@ S_io_stat (mach_port_t object, { if (object != pseudo_console) return EOPNOTSUPP; - + bzero (st, sizeof (struct stat)); st->st_blksize = 1024; return 0; @@ -2022,8 +1845,8 @@ S_io_reauthenticate (mach_port_t object, uid_t *gu, *au; gid_t *gg, *ag; unsigned int gulen = 0, aulen = 0, gglen = 0, aglen = 0; - - if (! auth_server_authenticate (authserver, + + if (! auth_server_authenticate (authserver, object, MACH_MSG_TYPE_MAKE_SEND, rend, MACH_MSG_TYPE_MOVE_SEND, object, MACH_MSG_TYPE_MAKE_SEND, @@ -2188,7 +2011,7 @@ S_io_pathconf (mach_port_t obj, { return EOPNOTSUPP; } - + /* Implementation of the Hurd terminal driver interface, which we only |