forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/arch/ia64/kernel/entry.S
....@@ -38,12 +38,12 @@
3838  */
3939 
4040 
41
+#include <linux/pgtable.h>
4142 #include <asm/asmmacro.h>
4243 #include <asm/cache.h>
4344 #include <asm/errno.h>
4445 #include <asm/kregs.h>
4546 #include <asm/asm-offsets.h>
46
-#include <asm/pgtable.h>
4747 #include <asm/percpu.h>
4848 #include <asm/processor.h>
4949 #include <asm/thread_info.h>
....@@ -112,19 +112,16 @@
112112 	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8)
113113 	alloc r16=ar.pfs,8,2,6,0
114114 	DO_SAVE_SWITCH_STACK
115
-	adds r2=PT(R16)+IA64_SWITCH_STACK_SIZE+16,sp
116115 	mov loc0=rp
117
-	mov loc1=r16				// save ar.pfs across do_fork
116
+	mov loc1=r16                             // save ar.pfs across ia64_clone
118117 	.body
118
+	mov out0=in0
119119 	mov out1=in1
120120 	mov out2=in2
121
-	tbit.nz p6,p0=in0,CLONE_SETTLS_BIT
122
-	mov out3=in3	// parent_tidptr: valid only w/CLONE_PARENT_SETTID
123
-	;;
124
-(p6)	st8 [r2]=in5				// store TLS in r16 for copy_thread()
125
-	mov out4=in4	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID
126
-	mov out0=in0				// out0 = clone_flags
127
-	br.call.sptk.many rp=do_fork
121
+	mov out3=in3
122
+	mov out4=in4
123
+	mov out5=in5
124
+	br.call.sptk.many rp=ia64_clone
128125 .ret1:	.restore sp
129126 	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
130127 	mov ar.pfs=loc1
....@@ -143,19 +140,16 @@
143140 	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8)
144141 	alloc r16=ar.pfs,8,2,6,0
145142 	DO_SAVE_SWITCH_STACK
146
-	adds r2=PT(R16)+IA64_SWITCH_STACK_SIZE+16,sp
147143 	mov loc0=rp
148
-	mov loc1=r16				// save ar.pfs across do_fork
144
+	mov loc1=r16                             // save ar.pfs across ia64_clone
149145 	.body
146
+	mov out0=in0
150147 	mov out1=in1
151148 	mov out2=16				// stacksize (compensates for 16-byte scratch area)
152
-	tbit.nz p6,p0=in0,CLONE_SETTLS_BIT
153
-	mov out3=in2	// parent_tidptr: valid only w/CLONE_PARENT_SETTID
154
-	;;
155
-(p6)	st8 [r2]=in4				// store TLS in r13 (tp)
156
-	mov out4=in3	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID
157
-	mov out0=in0				// out0 = clone_flags
158
-	br.call.sptk.many rp=do_fork
149
+	mov out3=in3
150
+	mov out4=in4
151
+	mov out5=in5
152
+	br.call.sptk.many rp=ia64_clone
159153 .ret2:	.restore sp
160154 	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
161155 	mov ar.pfs=loc1
....@@ -590,7 +584,7 @@
590584 	nop.i 0
591585 	/*
592586 	 * We need to call schedule_tail() to complete the scheduling process.
593
-	 * Called by ia64_switch_to() after do_fork()->copy_thread().  r8 contains the
587
+	 * Called by ia64_switch_to() after ia64_clone()->copy_thread().  r8 contains the
594588 	 * address of the previously executing task.
595589 	 */
596590 	br.call.sptk.many rp=ia64_invoke_schedule_tail
....@@ -670,12 +664,12 @@
670664 	 *
671665 	 * p6 controls whether current_thread_info()->flags needs to be check for
672666 	 * extra work.  We always check for extra work when returning to user-level.
673
-	 * With CONFIG_PREEMPT, we also check for extra work when the preempt_count
667
+	 * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count
674668 	 * is 0.  After extra work processing has been completed, execution
675669 	 * resumes at ia64_work_processed_syscall with p6 set to 1 if the extra-work-check
676670 	 * needs to be redone.
677671 	 */
678
-#ifdef CONFIG_PREEMPT
672
+#ifdef CONFIG_PREEMPTION
679673 	RSM_PSR_I(p0, r2, r18)			// disable interrupts
680674 	cmp.eq pLvSys,p0=r0,r0			// pLvSys=1: leave from syscall
681675 (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13
....@@ -685,7 +679,7 @@
685679 (pUStk)	mov r21=0			// r21 <- 0
686680 	;;
687681 	cmp.eq p6,p0=r21,r0		// p6 <- pUStk || (preempt_count == 0)
688
-#else /* !CONFIG_PREEMPT */
682
+#else /* !CONFIG_PREEMPTION */
689683 	RSM_PSR_I(pUStk, r2, r18)
690684 	cmp.eq pLvSys,p0=r0,r0		// pLvSys=1: leave from syscall
691685 (pUStk)	cmp.eq.unc p6,p0=r0,r0		// p6 <- pUStk
....@@ -814,12 +808,12 @@
814808 	 *
815809 	 * p6 controls whether current_thread_info()->flags needs to be check for
816810 	 * extra work.  We always check for extra work when returning to user-level.
817
-	 * With CONFIG_PREEMPT, we also check for extra work when the preempt_count
811
+	 * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count
818812 	 * is 0.  After extra work processing has been completed, execution
819813 	 * resumes at .work_processed_syscall with p6 set to 1 if the extra-work-check
820814 	 * needs to be redone.
821815 	 */
822
-#ifdef CONFIG_PREEMPT
816
+#ifdef CONFIG_PREEMPTION
823817 	RSM_PSR_I(p0, r17, r31)			// disable interrupts
824818 	cmp.eq p0,pLvSys=r0,r0			// pLvSys=0: leave from kernel
825819 (pKStk)	adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13
....@@ -1120,7 +1114,7 @@
11201114 
11211115 	/*
11221116 	 * On entry:
1123
-	 *	r20 = &current->thread_info->pre_count (if CONFIG_PREEMPT)
1117
+	 *	r20 = &current->thread_info->pre_count (if CONFIG_PREEMPTION)
11241118 	 *	r31 = current->thread_info->flags
11251119 	 * On exit:
11261120 	 *	p6 = TRUE if work-pending-check needs to be redone
....@@ -1426,335 +1420,10 @@
14261420 
14271421 #endif /* CONFIG_FUNCTION_TRACER */
14281422 
1423
+#define __SYSCALL(nr, entry, nargs) data8 entry
14291424 	.rodata
14301425 	.align 8
14311426 	.globl sys_call_table
14321427 sys_call_table:
1433
-	data8 sys_ni_syscall		//  This must be sys_ni_syscall!  See ivt.S.
1434
-	data8 sys_exit				// 1025
1435
-	data8 sys_read
1436
-	data8 sys_write
1437
-	data8 sys_open
1438
-	data8 sys_close
1439
-	data8 sys_creat				// 1030
1440
-	data8 sys_link
1441
-	data8 sys_unlink
1442
-	data8 ia64_execve
1443
-	data8 sys_chdir
1444
-	data8 sys_fchdir			// 1035
1445
-	data8 sys_utimes
1446
-	data8 sys_mknod
1447
-	data8 sys_chmod
1448
-	data8 sys_chown
1449
-	data8 sys_lseek				// 1040
1450
-	data8 sys_getpid
1451
-	data8 sys_getppid
1452
-	data8 sys_mount
1453
-	data8 sys_umount
1454
-	data8 sys_setuid			// 1045
1455
-	data8 sys_getuid
1456
-	data8 sys_geteuid
1457
-	data8 sys_ptrace
1458
-	data8 sys_access
1459
-	data8 sys_sync				// 1050
1460
-	data8 sys_fsync
1461
-	data8 sys_fdatasync
1462
-	data8 sys_kill
1463
-	data8 sys_rename
1464
-	data8 sys_mkdir				// 1055
1465
-	data8 sys_rmdir
1466
-	data8 sys_dup
1467
-	data8 sys_ia64_pipe
1468
-	data8 sys_times
1469
-	data8 ia64_brk				// 1060
1470
-	data8 sys_setgid
1471
-	data8 sys_getgid
1472
-	data8 sys_getegid
1473
-	data8 sys_acct
1474
-	data8 sys_ioctl				// 1065
1475
-	data8 sys_fcntl
1476
-	data8 sys_umask
1477
-	data8 sys_chroot
1478
-	data8 sys_ustat
1479
-	data8 sys_dup2				// 1070
1480
-	data8 sys_setreuid
1481
-	data8 sys_setregid
1482
-	data8 sys_getresuid
1483
-	data8 sys_setresuid
1484
-	data8 sys_getresgid			// 1075
1485
-	data8 sys_setresgid
1486
-	data8 sys_getgroups
1487
-	data8 sys_setgroups
1488
-	data8 sys_getpgid
1489
-	data8 sys_setpgid			// 1080
1490
-	data8 sys_setsid
1491
-	data8 sys_getsid
1492
-	data8 sys_sethostname
1493
-	data8 sys_setrlimit
1494
-	data8 sys_getrlimit			// 1085
1495
-	data8 sys_getrusage
1496
-	data8 sys_gettimeofday
1497
-	data8 sys_settimeofday
1498
-	data8 sys_select
1499
-	data8 sys_poll				// 1090
1500
-	data8 sys_symlink
1501
-	data8 sys_readlink
1502
-	data8 sys_uselib
1503
-	data8 sys_swapon
1504
-	data8 sys_swapoff			// 1095
1505
-	data8 sys_reboot
1506
-	data8 sys_truncate
1507
-	data8 sys_ftruncate
1508
-	data8 sys_fchmod
1509
-	data8 sys_fchown			// 1100
1510
-	data8 ia64_getpriority
1511
-	data8 sys_setpriority
1512
-	data8 sys_statfs
1513
-	data8 sys_fstatfs
1514
-	data8 sys_gettid			// 1105
1515
-	data8 sys_semget
1516
-	data8 sys_semop
1517
-	data8 sys_semctl
1518
-	data8 sys_msgget
1519
-	data8 sys_msgsnd			// 1110
1520
-	data8 sys_msgrcv
1521
-	data8 sys_msgctl
1522
-	data8 sys_shmget
1523
-	data8 sys_shmat
1524
-	data8 sys_shmdt				// 1115
1525
-	data8 sys_shmctl
1526
-	data8 sys_syslog
1527
-	data8 sys_setitimer
1528
-	data8 sys_getitimer
1529
-	data8 sys_ni_syscall			// 1120		/* was: ia64_oldstat */
1530
-	data8 sys_ni_syscall					/* was: ia64_oldlstat */
1531
-	data8 sys_ni_syscall					/* was: ia64_oldfstat */
1532
-	data8 sys_vhangup
1533
-	data8 sys_lchown
1534
-	data8 sys_remap_file_pages		// 1125
1535
-	data8 sys_wait4
1536
-	data8 sys_sysinfo
1537
-	data8 sys_clone
1538
-	data8 sys_setdomainname
1539
-	data8 sys_newuname			// 1130
1540
-	data8 sys_adjtimex
1541
-	data8 sys_ni_syscall					/* was: ia64_create_module */
1542
-	data8 sys_init_module
1543
-	data8 sys_delete_module
1544
-	data8 sys_ni_syscall			// 1135		/* was: sys_get_kernel_syms */
1545
-	data8 sys_ni_syscall					/* was: sys_query_module */
1546
-	data8 sys_quotactl
1547
-	data8 sys_bdflush
1548
-	data8 sys_sysfs
1549
-	data8 sys_personality			// 1140
1550
-	data8 sys_ni_syscall		// sys_afs_syscall
1551
-	data8 sys_setfsuid
1552
-	data8 sys_setfsgid
1553
-	data8 sys_getdents
1554
-	data8 sys_flock				// 1145
1555
-	data8 sys_readv
1556
-	data8 sys_writev
1557
-	data8 sys_pread64
1558
-	data8 sys_pwrite64
1559
-	data8 sys_sysctl			// 1150
1560
-	data8 sys_mmap
1561
-	data8 sys_munmap
1562
-	data8 sys_mlock
1563
-	data8 sys_mlockall
1564
-	data8 sys_mprotect			// 1155
1565
-	data8 ia64_mremap
1566
-	data8 sys_msync
1567
-	data8 sys_munlock
1568
-	data8 sys_munlockall
1569
-	data8 sys_sched_getparam		// 1160
1570
-	data8 sys_sched_setparam
1571
-	data8 sys_sched_getscheduler
1572
-	data8 sys_sched_setscheduler
1573
-	data8 sys_sched_yield
1574
-	data8 sys_sched_get_priority_max	// 1165
1575
-	data8 sys_sched_get_priority_min
1576
-	data8 sys_sched_rr_get_interval
1577
-	data8 sys_nanosleep
1578
-	data8 sys_ni_syscall			// old nfsservctl
1579
-	data8 sys_prctl				// 1170
1580
-	data8 sys_getpagesize
1581
-	data8 sys_mmap2
1582
-	data8 sys_pciconfig_read
1583
-	data8 sys_pciconfig_write
1584
-	data8 sys_perfmonctl			// 1175
1585
-	data8 sys_sigaltstack
1586
-	data8 sys_rt_sigaction
1587
-	data8 sys_rt_sigpending
1588
-	data8 sys_rt_sigprocmask
1589
-	data8 sys_rt_sigqueueinfo		// 1180
1590
-	data8 sys_rt_sigreturn
1591
-	data8 sys_rt_sigsuspend
1592
-	data8 sys_rt_sigtimedwait
1593
-	data8 sys_getcwd
1594
-	data8 sys_capget			// 1185
1595
-	data8 sys_capset
1596
-	data8 sys_sendfile64
1597
-	data8 sys_ni_syscall		// sys_getpmsg (STREAMS)
1598
-	data8 sys_ni_syscall		// sys_putpmsg (STREAMS)
1599
-	data8 sys_socket			// 1190
1600
-	data8 sys_bind
1601
-	data8 sys_connect
1602
-	data8 sys_listen
1603
-	data8 sys_accept
1604
-	data8 sys_getsockname			// 1195
1605
-	data8 sys_getpeername
1606
-	data8 sys_socketpair
1607
-	data8 sys_send
1608
-	data8 sys_sendto
1609
-	data8 sys_recv				// 1200
1610
-	data8 sys_recvfrom
1611
-	data8 sys_shutdown
1612
-	data8 sys_setsockopt
1613
-	data8 sys_getsockopt
1614
-	data8 sys_sendmsg			// 1205
1615
-	data8 sys_recvmsg
1616
-	data8 sys_pivot_root
1617
-	data8 sys_mincore
1618
-	data8 sys_madvise
1619
-	data8 sys_newstat			// 1210
1620
-	data8 sys_newlstat
1621
-	data8 sys_newfstat
1622
-	data8 sys_clone2
1623
-	data8 sys_getdents64
1624
-	data8 sys_getunwind			// 1215
1625
-	data8 sys_readahead
1626
-	data8 sys_setxattr
1627
-	data8 sys_lsetxattr
1628
-	data8 sys_fsetxattr
1629
-	data8 sys_getxattr			// 1220
1630
-	data8 sys_lgetxattr
1631
-	data8 sys_fgetxattr
1632
-	data8 sys_listxattr
1633
-	data8 sys_llistxattr
1634
-	data8 sys_flistxattr			// 1225
1635
-	data8 sys_removexattr
1636
-	data8 sys_lremovexattr
1637
-	data8 sys_fremovexattr
1638
-	data8 sys_tkill
1639
-	data8 sys_futex				// 1230
1640
-	data8 sys_sched_setaffinity
1641
-	data8 sys_sched_getaffinity
1642
-	data8 sys_set_tid_address
1643
-	data8 sys_fadvise64_64
1644
-	data8 sys_tgkill 			// 1235
1645
-	data8 sys_exit_group
1646
-	data8 sys_lookup_dcookie
1647
-	data8 sys_io_setup
1648
-	data8 sys_io_destroy
1649
-	data8 sys_io_getevents			// 1240
1650
-	data8 sys_io_submit
1651
-	data8 sys_io_cancel
1652
-	data8 sys_epoll_create
1653
-	data8 sys_epoll_ctl
1654
-	data8 sys_epoll_wait			// 1245
1655
-	data8 sys_restart_syscall
1656
-	data8 sys_semtimedop
1657
-	data8 sys_timer_create
1658
-	data8 sys_timer_settime
1659
-	data8 sys_timer_gettime			// 1250
1660
-	data8 sys_timer_getoverrun
1661
-	data8 sys_timer_delete
1662
-	data8 sys_clock_settime
1663
-	data8 sys_clock_gettime
1664
-	data8 sys_clock_getres			// 1255
1665
-	data8 sys_clock_nanosleep
1666
-	data8 sys_fstatfs64
1667
-	data8 sys_statfs64
1668
-	data8 sys_mbind
1669
-	data8 sys_get_mempolicy			// 1260
1670
-	data8 sys_set_mempolicy
1671
-	data8 sys_mq_open
1672
-	data8 sys_mq_unlink
1673
-	data8 sys_mq_timedsend
1674
-	data8 sys_mq_timedreceive		// 1265
1675
-	data8 sys_mq_notify
1676
-	data8 sys_mq_getsetattr
1677
-	data8 sys_kexec_load
1678
-	data8 sys_ni_syscall			// reserved for vserver
1679
-	data8 sys_waitid			// 1270
1680
-	data8 sys_add_key
1681
-	data8 sys_request_key
1682
-	data8 sys_keyctl
1683
-	data8 sys_ioprio_set
1684
-	data8 sys_ioprio_get			// 1275
1685
-	data8 sys_move_pages
1686
-	data8 sys_inotify_init
1687
-	data8 sys_inotify_add_watch
1688
-	data8 sys_inotify_rm_watch
1689
-	data8 sys_migrate_pages			// 1280
1690
-	data8 sys_openat
1691
-	data8 sys_mkdirat
1692
-	data8 sys_mknodat
1693
-	data8 sys_fchownat
1694
-	data8 sys_futimesat			// 1285
1695
-	data8 sys_newfstatat
1696
-	data8 sys_unlinkat
1697
-	data8 sys_renameat
1698
-	data8 sys_linkat
1699
-	data8 sys_symlinkat			// 1290
1700
-	data8 sys_readlinkat
1701
-	data8 sys_fchmodat
1702
-	data8 sys_faccessat
1703
-	data8 sys_pselect6
1704
-	data8 sys_ppoll				// 1295
1705
-	data8 sys_unshare
1706
-	data8 sys_splice
1707
-	data8 sys_set_robust_list
1708
-	data8 sys_get_robust_list
1709
-	data8 sys_sync_file_range		// 1300
1710
-	data8 sys_tee
1711
-	data8 sys_vmsplice
1712
-	data8 sys_fallocate
1713
-	data8 sys_getcpu
1714
-	data8 sys_epoll_pwait			// 1305
1715
-	data8 sys_utimensat
1716
-	data8 sys_signalfd
1717
-	data8 sys_ni_syscall
1718
-	data8 sys_eventfd
1719
-	data8 sys_timerfd_create		// 1310
1720
-	data8 sys_timerfd_settime
1721
-	data8 sys_timerfd_gettime
1722
-	data8 sys_signalfd4
1723
-	data8 sys_eventfd2
1724
-	data8 sys_epoll_create1			// 1315
1725
-	data8 sys_dup3
1726
-	data8 sys_pipe2
1727
-	data8 sys_inotify_init1
1728
-	data8 sys_preadv
1729
-	data8 sys_pwritev			// 1320
1730
-	data8 sys_rt_tgsigqueueinfo
1731
-	data8 sys_recvmmsg
1732
-	data8 sys_fanotify_init
1733
-	data8 sys_fanotify_mark
1734
-	data8 sys_prlimit64			// 1325
1735
-	data8 sys_name_to_handle_at
1736
-	data8 sys_open_by_handle_at
1737
-	data8 sys_clock_adjtime
1738
-	data8 sys_syncfs
1739
-	data8 sys_setns				// 1330
1740
-	data8 sys_sendmmsg
1741
-	data8 sys_process_vm_readv
1742
-	data8 sys_process_vm_writev
1743
-	data8 sys_accept4
1744
-	data8 sys_finit_module			// 1335
1745
-	data8 sys_sched_setattr
1746
-	data8 sys_sched_getattr
1747
-	data8 sys_renameat2
1748
-	data8 sys_getrandom
1749
-	data8 sys_memfd_create			// 1340
1750
-	data8 sys_bpf
1751
-	data8 sys_execveat
1752
-	data8 sys_userfaultfd
1753
-	data8 sys_membarrier
1754
-	data8 sys_kcmp				// 1345
1755
-	data8 sys_mlock2
1756
-	data8 sys_copy_file_range
1757
-	data8 sys_preadv2
1758
-	data8 sys_pwritev2
1759
-
1760
-	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls
1428
+#include <asm/syscall_table.h>
1429
+#undef __SYSCALL