X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4d15aeb193b2c68f1d38666c317f8d3734f5f083..5ba3f43ea354af8ad55bea84372a2bc834d8757c:/bsd/kern/bsd_init.c diff --git a/bsd/kern/bsd_init.c b/bsd/kern/bsd_init.c index 232e966ee..25395d352 100644 --- a/bsd/kern/bsd_init.c +++ b/bsd/kern/bsd_init.c @@ -119,6 +119,7 @@ #include #include /* for pseudo_inits */ #include +#include #include #include @@ -134,6 +135,7 @@ #include /* for mcache_init() */ #include /* for mbinit() */ #include /* for knote_init() */ +#include /* for eventhandler_init() */ #include /* for memorystatus_init() */ #include /* for aio_init() */ #include /* for psem_cache_init() */ @@ -167,6 +169,7 @@ #include /* for nstat_init() */ #include /* for tcp_cc_init() */ #include /* for mptcp_control_register() */ +#include /* for nwk_wq_init */ #include /* for assert() */ #include /* for init_system_override() */ @@ -240,7 +243,7 @@ int hostnamelen; char domainname[MAXDOMNAMELEN]; int domainnamelen; -char rootdevice[16]; /* device names have at least 9 chars */ +char rootdevice[DEVMAXNAMESIZE]; #if KMEMSTATS struct kmemstats kmemstats[M_LAST]; @@ -249,6 +252,9 @@ struct kmemstats kmemstats[M_LAST]; struct vnode *rootvp; int boothowto = RB_DEBUG; int minimalboot = 0; +#if CONFIG_EMBEDDED +int darkboot = 0; +#endif #if PROC_REF_DEBUG __private_extern__ int proc_ref_tracking_disabled = 0; /* disable panics on leaked proc refs across syscall boundary */ @@ -283,6 +289,9 @@ __private_extern__ vm_offset_t * execargs_cache = NULL; void bsd_exec_setup(int); +#if __arm64__ +__private_extern__ int bootarg_no64exec = 0; +#endif __private_extern__ int bootarg_vnode_cache_defeat = 0; #if CONFIG_JETSAM && (DEVELOPMENT || DEBUG) @@ -381,6 +390,8 @@ extern int (*mountroot)(void); lck_grp_t * proc_lck_grp; lck_grp_t * proc_slock_grp; lck_grp_t * proc_fdmlock_grp; +lck_grp_t * proc_kqhashlock_grp; +lck_grp_t * proc_knhashlock_grp; lck_grp_t * proc_ucred_mlock_grp; lck_grp_t * proc_mlock_grp; lck_grp_attr_t * proc_lck_grp_attr; @@ -476,13 +487,15 @@ bsd_init(void) proc_lck_grp_attr= lck_grp_attr_alloc_init(); proc_lck_grp = lck_grp_alloc_init("proc", proc_lck_grp_attr); + #if CONFIG_FINE_LOCK_GROUPS proc_slock_grp = lck_grp_alloc_init("proc-slock", proc_lck_grp_attr); - proc_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", proc_lck_grp_attr); proc_ucred_mlock_grp = lck_grp_alloc_init("proc-ucred-mlock", proc_lck_grp_attr); proc_mlock_grp = lck_grp_alloc_init("proc-mlock", proc_lck_grp_attr); + proc_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", proc_lck_grp_attr); #endif - + proc_kqhashlock_grp = lck_grp_alloc_init("proc-kqhashlock", proc_lck_grp_attr); + proc_knhashlock_grp = lck_grp_alloc_init("proc-knhashlock", proc_lck_grp_attr); /* Allocate proc lock attribute */ proc_lck_attr = lck_attr_alloc_init(); #if 0 @@ -526,7 +539,6 @@ bsd_init(void) * Initialize the MAC Framework */ mac_policy_initbsd(); - kernproc->p_mac_enforce = 0; #if defined (__i386__) || defined (__x86_64__) /* @@ -653,6 +665,8 @@ bsd_init(void) filedesc0.fd_knlist = NULL; filedesc0.fd_knhash = NULL; filedesc0.fd_knhashmask = 0; + lck_mtx_init(&filedesc0.fd_kqhashlock, proc_kqhashlock_grp, proc_lck_attr); + lck_mtx_init(&filedesc0.fd_knhashlock, proc_knhashlock_grp, proc_lck_attr); /* Create the limits structures. */ kernproc->p_limit = &limit0; @@ -689,7 +703,9 @@ bsd_init(void) &minimum, (vm_size_t)bsd_pageable_map_size, TRUE, - VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_KERN_MEMORY_BSD), + VM_FLAGS_ANYWHERE, + VM_MAP_KERNEL_FLAGS_NONE, + VM_KERN_MEMORY_BSD, &bsd_pageable_map); if (ret != KERN_SUCCESS) panic("bsd_init: Failed to allocate bsd pageable map"); @@ -705,12 +721,6 @@ bsd_init(void) bsd_init_kprintf("calling bsd_bufferinit\n"); bsd_bufferinit(); - /* Initialize the execve() semaphore */ - bsd_init_kprintf("calling semaphore_create\n"); - - if (ret != KERN_SUCCESS) - panic("bsd_init: Failed to create execve semaphore"); - /* * Initialize the calendar. */ @@ -753,6 +763,10 @@ bsd_init(void) bsd_init_kprintf("calling knote_init\n"); knote_init(); + /* Initialize event handler */ + bsd_init_kprintf("calling eventhandler_init\n"); + eventhandler_init(); + /* Initialize for async IO */ bsd_init_kprintf("calling aio_init\n"); aio_init(); @@ -797,6 +811,8 @@ bsd_init(void) * until everything is ready. */ #if NETWORKING + bsd_init_kprintf("calling nwk_wq_init\n"); + nwk_wq_init(); bsd_init_kprintf("calling dlil_init\n"); dlil_init(); bsd_init_kprintf("calling proto_kpi_init\n"); @@ -812,7 +828,6 @@ bsd_init(void) flow_divert_init(); #endif /* FLOW_DIVERT */ #endif /* SOCKETS */ - kernproc->p_fd->fd_cdir = NULL; kernproc->p_fd->fd_rdir = NULL; @@ -1026,7 +1041,7 @@ bsd_init(void) mountroot_post_hook(); #if 0 /* not yet */ - consider_zone_gc(); + consider_zone_gc(FALSE); #endif bsd_init_kprintf("done\n"); @@ -1056,6 +1071,10 @@ bsdinit_task(void) mac_cred_label_associate_user(p->p_ucred); #endif + vm_init_before_launchd(); + + + bsd_init_kprintf("bsd_do_post - done"); load_init_program(p); lock_trace = 1; @@ -1167,6 +1186,11 @@ parse_bsd_args(void) minimalboot = 1; } +#if __arm64__ + /* disable 64 bit grading */ + if (PE_parse_boot_argn("-no64exec", namep, sizeof (namep))) + bootarg_no64exec = 1; +#endif /* disable vnode_cache_is_authorized() by setting vnode_cache_defeat */ if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof (namep))) @@ -1204,6 +1228,18 @@ parse_bsd_args(void) #endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */ +#if CONFIG_EMBEDDED + /* + * The darkboot flag is specified by the bootloader and is stored in + * boot_args->bootFlags. This flag is available starting revision 2. + */ + boot_args *args = (boot_args *) PE_state.bootArgs; + if ((args != NULL) && (args->Revision >= kBootArgsRevision2)) { + darkboot = (args->bootFlags & kBootFlagsDarkBoot) ? 1 : 0; + } else { + darkboot = 0; + } +#endif #if PROC_REF_DEBUG if (PE_parse_boot_argn("-disable_procref_tracking", namep, sizeof(namep))) {