From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Tue, 20 Feb 2024 01:20:52 +0000 Subject: [PATCH] add new system file --- kernel/arch/ia64/kernel/entry.S | 377 +++-------------------------------------------------- 1 files changed, 23 insertions(+), 354 deletions(-) diff --git a/kernel/arch/ia64/kernel/entry.S b/kernel/arch/ia64/kernel/entry.S index 68362b3..e98e3da 100644 --- a/kernel/arch/ia64/kernel/entry.S +++ b/kernel/arch/ia64/kernel/entry.S @@ -38,12 +38,12 @@ */ +#include <linux/pgtable.h> #include <asm/asmmacro.h> #include <asm/cache.h> #include <asm/errno.h> #include <asm/kregs.h> #include <asm/asm-offsets.h> -#include <asm/pgtable.h> #include <asm/percpu.h> #include <asm/processor.h> #include <asm/thread_info.h> @@ -112,19 +112,16 @@ .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8) alloc r16=ar.pfs,8,2,6,0 DO_SAVE_SWITCH_STACK - adds r2=PT(R16)+IA64_SWITCH_STACK_SIZE+16,sp mov loc0=rp - mov loc1=r16 // save ar.pfs across do_fork + mov loc1=r16 // save ar.pfs across ia64_clone .body + mov out0=in0 mov out1=in1 mov out2=in2 - tbit.nz p6,p0=in0,CLONE_SETTLS_BIT - mov out3=in3 // parent_tidptr: valid only w/CLONE_PARENT_SETTID - ;; -(p6) st8 [r2]=in5 // store TLS in r16 for copy_thread() - mov out4=in4 // child_tidptr: valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID - mov out0=in0 // out0 = clone_flags - br.call.sptk.many rp=do_fork + mov out3=in3 + mov out4=in4 + mov out5=in5 + br.call.sptk.many rp=ia64_clone .ret1: .restore sp adds sp=IA64_SWITCH_STACK_SIZE,sp // pop the switch stack mov ar.pfs=loc1 @@ -143,19 +140,16 @@ .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8) alloc r16=ar.pfs,8,2,6,0 DO_SAVE_SWITCH_STACK - adds r2=PT(R16)+IA64_SWITCH_STACK_SIZE+16,sp mov loc0=rp - mov loc1=r16 // save ar.pfs across do_fork + mov loc1=r16 // save ar.pfs across ia64_clone .body + mov out0=in0 mov out1=in1 mov out2=16 // stacksize (compensates for 16-byte scratch area) - tbit.nz p6,p0=in0,CLONE_SETTLS_BIT - mov out3=in2 // parent_tidptr: valid only w/CLONE_PARENT_SETTID - ;; -(p6) st8 [r2]=in4 // store TLS in r13 (tp) - mov out4=in3 // child_tidptr: valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID - mov out0=in0 // out0 = clone_flags - br.call.sptk.many rp=do_fork + mov out3=in3 + mov out4=in4 + mov out5=in5 + br.call.sptk.many rp=ia64_clone .ret2: .restore sp adds sp=IA64_SWITCH_STACK_SIZE,sp // pop the switch stack mov ar.pfs=loc1 @@ -590,7 +584,7 @@ nop.i 0 /* * We need to call schedule_tail() to complete the scheduling process. - * Called by ia64_switch_to() after do_fork()->copy_thread(). r8 contains the + * Called by ia64_switch_to() after ia64_clone()->copy_thread(). r8 contains the * address of the previously executing task. */ br.call.sptk.many rp=ia64_invoke_schedule_tail @@ -670,12 +664,12 @@ * * p6 controls whether current_thread_info()->flags needs to be check for * extra work. We always check for extra work when returning to user-level. - * With CONFIG_PREEMPT, we also check for extra work when the preempt_count + * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count * is 0. After extra work processing has been completed, execution * resumes at ia64_work_processed_syscall with p6 set to 1 if the extra-work-check * needs to be redone. */ -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION RSM_PSR_I(p0, r2, r18) // disable interrupts cmp.eq pLvSys,p0=r0,r0 // pLvSys=1: leave from syscall (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13 @@ -685,7 +679,7 @@ (pUStk) mov r21=0 // r21 <- 0 ;; cmp.eq p6,p0=r21,r0 // p6 <- pUStk || (preempt_count == 0) -#else /* !CONFIG_PREEMPT */ +#else /* !CONFIG_PREEMPTION */ RSM_PSR_I(pUStk, r2, r18) cmp.eq pLvSys,p0=r0,r0 // pLvSys=1: leave from syscall (pUStk) cmp.eq.unc p6,p0=r0,r0 // p6 <- pUStk @@ -814,12 +808,12 @@ * * p6 controls whether current_thread_info()->flags needs to be check for * extra work. We always check for extra work when returning to user-level. - * With CONFIG_PREEMPT, we also check for extra work when the preempt_count + * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count * is 0. After extra work processing has been completed, execution * resumes at .work_processed_syscall with p6 set to 1 if the extra-work-check * needs to be redone. */ -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION RSM_PSR_I(p0, r17, r31) // disable interrupts cmp.eq p0,pLvSys=r0,r0 // pLvSys=0: leave from kernel (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13 @@ -1120,7 +1114,7 @@ /* * On entry: - * r20 = ¤t->thread_info->pre_count (if CONFIG_PREEMPT) + * r20 = ¤t->thread_info->pre_count (if CONFIG_PREEMPTION) * r31 = current->thread_info->flags * On exit: * p6 = TRUE if work-pending-check needs to be redone @@ -1426,335 +1420,10 @@ #endif /* CONFIG_FUNCTION_TRACER */ +#define __SYSCALL(nr, entry, nargs) data8 entry .rodata .align 8 .globl sys_call_table sys_call_table: - data8 sys_ni_syscall // This must be sys_ni_syscall! See ivt.S. - data8 sys_exit // 1025 - data8 sys_read - data8 sys_write - data8 sys_open - data8 sys_close - data8 sys_creat // 1030 - data8 sys_link - data8 sys_unlink - data8 ia64_execve - data8 sys_chdir - data8 sys_fchdir // 1035 - data8 sys_utimes - data8 sys_mknod - data8 sys_chmod - data8 sys_chown - data8 sys_lseek // 1040 - data8 sys_getpid - data8 sys_getppid - data8 sys_mount - data8 sys_umount - data8 sys_setuid // 1045 - data8 sys_getuid - data8 sys_geteuid - data8 sys_ptrace - data8 sys_access - data8 sys_sync // 1050 - data8 sys_fsync - data8 sys_fdatasync - data8 sys_kill - data8 sys_rename - data8 sys_mkdir // 1055 - data8 sys_rmdir - data8 sys_dup - data8 sys_ia64_pipe - data8 sys_times - data8 ia64_brk // 1060 - data8 sys_setgid - data8 sys_getgid - data8 sys_getegid - data8 sys_acct - data8 sys_ioctl // 1065 - data8 sys_fcntl - data8 sys_umask - data8 sys_chroot - data8 sys_ustat - data8 sys_dup2 // 1070 - data8 sys_setreuid - data8 sys_setregid - data8 sys_getresuid - data8 sys_setresuid - data8 sys_getresgid // 1075 - data8 sys_setresgid - data8 sys_getgroups - data8 sys_setgroups - data8 sys_getpgid - data8 sys_setpgid // 1080 - data8 sys_setsid - data8 sys_getsid - data8 sys_sethostname - data8 sys_setrlimit - data8 sys_getrlimit // 1085 - data8 sys_getrusage - data8 sys_gettimeofday - data8 sys_settimeofday - data8 sys_select - data8 sys_poll // 1090 - data8 sys_symlink - data8 sys_readlink - data8 sys_uselib - data8 sys_swapon - data8 sys_swapoff // 1095 - data8 sys_reboot - data8 sys_truncate - data8 sys_ftruncate - data8 sys_fchmod - data8 sys_fchown // 1100 - data8 ia64_getpriority - data8 sys_setpriority - data8 sys_statfs - data8 sys_fstatfs - data8 sys_gettid // 1105 - data8 sys_semget - data8 sys_semop - data8 sys_semctl - data8 sys_msgget - data8 sys_msgsnd // 1110 - data8 sys_msgrcv - data8 sys_msgctl - data8 sys_shmget - data8 sys_shmat - data8 sys_shmdt // 1115 - data8 sys_shmctl - data8 sys_syslog - data8 sys_setitimer - data8 sys_getitimer - data8 sys_ni_syscall // 1120 /* was: ia64_oldstat */ - data8 sys_ni_syscall /* was: ia64_oldlstat */ - data8 sys_ni_syscall /* was: ia64_oldfstat */ - data8 sys_vhangup - data8 sys_lchown - data8 sys_remap_file_pages // 1125 - data8 sys_wait4 - data8 sys_sysinfo - data8 sys_clone - data8 sys_setdomainname - data8 sys_newuname // 1130 - data8 sys_adjtimex - data8 sys_ni_syscall /* was: ia64_create_module */ - data8 sys_init_module - data8 sys_delete_module - data8 sys_ni_syscall // 1135 /* was: sys_get_kernel_syms */ - data8 sys_ni_syscall /* was: sys_query_module */ - data8 sys_quotactl - data8 sys_bdflush - data8 sys_sysfs - data8 sys_personality // 1140 - data8 sys_ni_syscall // sys_afs_syscall - data8 sys_setfsuid - data8 sys_setfsgid - data8 sys_getdents - data8 sys_flock // 1145 - data8 sys_readv - data8 sys_writev - data8 sys_pread64 - data8 sys_pwrite64 - data8 sys_sysctl // 1150 - data8 sys_mmap - data8 sys_munmap - data8 sys_mlock - data8 sys_mlockall - data8 sys_mprotect // 1155 - data8 ia64_mremap - data8 sys_msync - data8 sys_munlock - data8 sys_munlockall - data8 sys_sched_getparam // 1160 - data8 sys_sched_setparam - data8 sys_sched_getscheduler - data8 sys_sched_setscheduler - data8 sys_sched_yield - data8 sys_sched_get_priority_max // 1165 - data8 sys_sched_get_priority_min - data8 sys_sched_rr_get_interval - data8 sys_nanosleep - data8 sys_ni_syscall // old nfsservctl - data8 sys_prctl // 1170 - data8 sys_getpagesize - data8 sys_mmap2 - data8 sys_pciconfig_read - data8 sys_pciconfig_write - data8 sys_perfmonctl // 1175 - data8 sys_sigaltstack - data8 sys_rt_sigaction - data8 sys_rt_sigpending - data8 sys_rt_sigprocmask - data8 sys_rt_sigqueueinfo // 1180 - data8 sys_rt_sigreturn - data8 sys_rt_sigsuspend - data8 sys_rt_sigtimedwait - data8 sys_getcwd - data8 sys_capget // 1185 - data8 sys_capset - data8 sys_sendfile64 - data8 sys_ni_syscall // sys_getpmsg (STREAMS) - data8 sys_ni_syscall // sys_putpmsg (STREAMS) - data8 sys_socket // 1190 - data8 sys_bind - data8 sys_connect - data8 sys_listen - data8 sys_accept - data8 sys_getsockname // 1195 - data8 sys_getpeername - data8 sys_socketpair - data8 sys_send - data8 sys_sendto - data8 sys_recv // 1200 - data8 sys_recvfrom - data8 sys_shutdown - data8 sys_setsockopt - data8 sys_getsockopt - data8 sys_sendmsg // 1205 - data8 sys_recvmsg - data8 sys_pivot_root - data8 sys_mincore - data8 sys_madvise - data8 sys_newstat // 1210 - data8 sys_newlstat - data8 sys_newfstat - data8 sys_clone2 - data8 sys_getdents64 - data8 sys_getunwind // 1215 - data8 sys_readahead - data8 sys_setxattr - data8 sys_lsetxattr - data8 sys_fsetxattr - data8 sys_getxattr // 1220 - data8 sys_lgetxattr - data8 sys_fgetxattr - data8 sys_listxattr - data8 sys_llistxattr - data8 sys_flistxattr // 1225 - data8 sys_removexattr - data8 sys_lremovexattr - data8 sys_fremovexattr - data8 sys_tkill - data8 sys_futex // 1230 - data8 sys_sched_setaffinity - data8 sys_sched_getaffinity - data8 sys_set_tid_address - data8 sys_fadvise64_64 - data8 sys_tgkill // 1235 - data8 sys_exit_group - data8 sys_lookup_dcookie - data8 sys_io_setup - data8 sys_io_destroy - data8 sys_io_getevents // 1240 - data8 sys_io_submit - data8 sys_io_cancel - data8 sys_epoll_create - data8 sys_epoll_ctl - data8 sys_epoll_wait // 1245 - data8 sys_restart_syscall - data8 sys_semtimedop - data8 sys_timer_create - data8 sys_timer_settime - data8 sys_timer_gettime // 1250 - data8 sys_timer_getoverrun - data8 sys_timer_delete - data8 sys_clock_settime - data8 sys_clock_gettime - data8 sys_clock_getres // 1255 - data8 sys_clock_nanosleep - data8 sys_fstatfs64 - data8 sys_statfs64 - data8 sys_mbind - data8 sys_get_mempolicy // 1260 - data8 sys_set_mempolicy - data8 sys_mq_open - data8 sys_mq_unlink - data8 sys_mq_timedsend - data8 sys_mq_timedreceive // 1265 - data8 sys_mq_notify - data8 sys_mq_getsetattr - data8 sys_kexec_load - data8 sys_ni_syscall // reserved for vserver - data8 sys_waitid // 1270 - data8 sys_add_key - data8 sys_request_key - data8 sys_keyctl - data8 sys_ioprio_set - data8 sys_ioprio_get // 1275 - data8 sys_move_pages - data8 sys_inotify_init - data8 sys_inotify_add_watch - data8 sys_inotify_rm_watch - data8 sys_migrate_pages // 1280 - data8 sys_openat - data8 sys_mkdirat - data8 sys_mknodat - data8 sys_fchownat - data8 sys_futimesat // 1285 - data8 sys_newfstatat - data8 sys_unlinkat - data8 sys_renameat - data8 sys_linkat - data8 sys_symlinkat // 1290 - data8 sys_readlinkat - data8 sys_fchmodat - data8 sys_faccessat - data8 sys_pselect6 - data8 sys_ppoll // 1295 - data8 sys_unshare - data8 sys_splice - data8 sys_set_robust_list - data8 sys_get_robust_list - data8 sys_sync_file_range // 1300 - data8 sys_tee - data8 sys_vmsplice - data8 sys_fallocate - data8 sys_getcpu - data8 sys_epoll_pwait // 1305 - data8 sys_utimensat - data8 sys_signalfd - data8 sys_ni_syscall - data8 sys_eventfd - data8 sys_timerfd_create // 1310 - data8 sys_timerfd_settime - data8 sys_timerfd_gettime - data8 sys_signalfd4 - data8 sys_eventfd2 - data8 sys_epoll_create1 // 1315 - data8 sys_dup3 - data8 sys_pipe2 - data8 sys_inotify_init1 - data8 sys_preadv - data8 sys_pwritev // 1320 - data8 sys_rt_tgsigqueueinfo - data8 sys_recvmmsg - data8 sys_fanotify_init - data8 sys_fanotify_mark - data8 sys_prlimit64 // 1325 - data8 sys_name_to_handle_at - data8 sys_open_by_handle_at - data8 sys_clock_adjtime - data8 sys_syncfs - data8 sys_setns // 1330 - data8 sys_sendmmsg - data8 sys_process_vm_readv - data8 sys_process_vm_writev - data8 sys_accept4 - data8 sys_finit_module // 1335 - data8 sys_sched_setattr - data8 sys_sched_getattr - data8 sys_renameat2 - data8 sys_getrandom - data8 sys_memfd_create // 1340 - data8 sys_bpf - data8 sys_execveat - data8 sys_userfaultfd - data8 sys_membarrier - data8 sys_kcmp // 1345 - data8 sys_mlock2 - data8 sys_copy_file_range - data8 sys_preadv2 - data8 sys_pwritev2 - - .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls +#include <asm/syscall_table.h> +#undef __SYSCALL -- Gitblit v1.6.2