The purpose of this patch series is, we can easily
add/modify/delete system call table support by cha-
nging entry in syscall.tbl file instead of manually
changing many files. The other goal is to unify the
system call table generation support implementation
across all the architectures.
The system call tables are in different format in
all architecture. It will be difficult to manually
add, modify or delete the system calls in the resp-
ective files manually. To make it easy by keeping a
script and which'll generate uapi header file and
syscall table file.
syscall.tbl contains the list of available system
calls along with system call number and correspond-
ing entry point. Add a new system call in this arch-
itecture will be possible by adding new entry in the
syscall.tbl file.
Adding a new table entry consisting of:
- System call number.
- ABI.
- System call name.
- Entry point name.
ARM, s390 and x86 architecuture does exist the sim-
ilar support. I leverage their implementation to come
up with a generic solution.
I have done the same support for work for alpha, ia64,
m68k, microblaze, mips, parisc, powerpc, sh and sparc.
Below mentioned git repository contains more details
about the workflow.
https://github.com/frzkhn/system_call_table_generator/
Finally, this is the ground work to solve the Y2038
issue. We need to add two dozen of system calls to solve
Y2038 issue. So this patch series will help to add new
system calls easily by adding new entry in the syscall.tbl.
changes since v1:
- changed from generic-y to generated-y in Kbuild.
- removed the patch "0001-xtensa-move-SYS_XTENSA_-
macros-to-non-uapi-header.patch".
Firoz Khan (3):
xtensa: add __NR_syscalls along with __NR_syscall_count
xtensa: add system call table generation support
xtensa: generate uapi header and syscall table header files
arch/xtensa/Makefile | 3 +
arch/xtensa/include/asm/Kbuild | 1 +
arch/xtensa/include/asm/unistd.h | 2 +
arch/xtensa/include/uapi/asm/Kbuild | 1 +
arch/xtensa/include/uapi/asm/unistd.h | 781 +-----------------------------
arch/xtensa/kernel/syscall.c | 5 +-
arch/xtensa/kernel/syscalls/Makefile | 38 ++
arch/xtensa/kernel/syscalls/syscall.tbl | 374 ++++++++++++++
arch/xtensa/kernel/syscalls/syscallhdr.sh | 36 ++
arch/xtensa/kernel/syscalls/syscalltbl.sh | 32 ++
10 files changed, 492 insertions(+), 781 deletions(-)
create mode 100644 arch/xtensa/kernel/syscalls/Makefile
create mode 100644 arch/xtensa/kernel/syscalls/syscall.tbl
create mode 100644 arch/xtensa/kernel/syscalls/syscallhdr.sh
create mode 100644 arch/xtensa/kernel/syscalls/syscalltbl.sh
--
1.9.1
__NR_syscall_count macro holds the number of system call
exist in xtensa architecture. We have to change the value
of __NR_syscall_count, if we add or delete a system call.
One of the patch in this patch series has a script which
will generate a uapi header based on syscall.tbl file.
The syscall.tbl file contains the total number of system
calls information. So we have two option to update __NR-
_syscall_count value.
1. Update __NR_syscall_count in asm/unistd.h manually by
counting the no.of system calls. No need to update __NR-
_syscall_count until we either add a new system call or
delete existing system call.
2. We can keep this feature it above mentioned script,
that will count the number of syscalls and keep it in
a generated file. In this case we don't need to expli-
citly update __NR_syscall_count in asm/unistd.h file.
The 2nd option will be the recommended one. For that, I
added the __NR_syscalls macro in uapi/asm/unistd.h along
with __NR_syscall_count asm/unistd.h. The macro __NR_sys-
calls also added for making the name convention same across
all architecture. While __NR_syscalls isn't strictly part
of the uapi, having it as part of the generated header to
simplifies the implementation. We also need to enclose
this macro with #ifdef __KERNEL__ to avoid side effects.
Signed-off-by: Firoz Khan <[email protected]>
---
arch/xtensa/include/asm/unistd.h | 2 ++
arch/xtensa/include/uapi/asm/unistd.h | 4 +++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index 574e552..787987a 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -5,6 +5,8 @@
#define __ARCH_WANT_SYS_CLONE
#include <uapi/asm/unistd.h>
+#define __NR_syscall_count __NR_syscalls
+
#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index bc3f62d..332d67a 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -778,7 +778,9 @@
#define __NR_statx 351
__SYSCALL(351, sys_statx, 5)
-#define __NR_syscall_count 352
+#ifdef __KERNEL__
+#define __NR_syscalls 352
+#endif
/*
* sysxtensa syscall handler
--
1.9.1
The system call tables are in different format in all
architecture and it will be difficult to manually add,
modify or delete the syscall table entries in the res-
pective files. To make it easy by keeping a script and
which will generate the uapi header and syscall table
file. This change will also help to unify the implemen-
tation across all architectures.
The system call table generation script is added in
kernel/syscalls directory which contain the scripts to
generate both uapi header file and system call table
files. The syscall.tbl will be input for the scripts.
syscall.tbl contains the list of available system calls
along with system call number and corresponding entry
point. Add a new system call in this architecture will
be possible by adding new entry in the syscall.tbl file.
Adding a new table entry consisting of:
- System call number.
- ABI.
- System call name.
- Entry point name.
syscallhdr.sh and syscalltbl.sh will generate uapi header
unistd_32.h and syscall_table.h files respectively. Both
.sh files will parse the content syscall.tbl to generate
the header and table files. unistd_32.h will be included
by uapi/asm/unistd.h and syscall_table.h is included by
kernel/syscall.c - the real system call table.
ARM, s390 and x86 architecuture does have similar support.
I leverage their implementation to come up with a generic
solution.
Signed-off-by: Firoz Khan <[email protected]>
---
arch/xtensa/kernel/syscalls/Makefile | 38 +++
arch/xtensa/kernel/syscalls/syscall.tbl | 374 ++++++++++++++++++++++++++++++
arch/xtensa/kernel/syscalls/syscallhdr.sh | 36 +++
arch/xtensa/kernel/syscalls/syscalltbl.sh | 32 +++
4 files changed, 480 insertions(+)
create mode 100644 arch/xtensa/kernel/syscalls/Makefile
create mode 100644 arch/xtensa/kernel/syscalls/syscall.tbl
create mode 100644 arch/xtensa/kernel/syscalls/syscallhdr.sh
create mode 100644 arch/xtensa/kernel/syscalls/syscalltbl.sh
diff --git a/arch/xtensa/kernel/syscalls/Makefile b/arch/xtensa/kernel/syscalls/Makefile
new file mode 100644
index 0000000..659faef
--- /dev/null
+++ b/arch/xtensa/kernel/syscalls/Makefile
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+kapi := arch/$(SRCARCH)/include/generated/asm
+uapi := arch/$(SRCARCH)/include/generated/uapi/asm
+
+_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
+ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+
+syscall := $(srctree)/$(src)/syscall.tbl
+syshdr := $(srctree)/$(src)/syscallhdr.sh
+systbl := $(srctree)/$(src)/syscalltbl.sh
+
+quiet_cmd_syshdr = SYSHDR $@
+ cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
+ '$(syshdr_abis_$(basetarget))' \
+ '$(syshdr_pfx_$(basetarget))' \
+ '$(syshdr_offset_$(basetarget))'
+
+quiet_cmd_systbl = SYSTBL $@
+ cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \
+ '$(systbl_abis_$(basetarget))' \
+ '$(systbl_abi_$(basetarget))' \
+ '$(systbl_offset_$(basetarget))'
+
+$(uapi)/unistd_32.h: $(syscall) $(syshdr)
+ $(call if_changed,syshdr)
+
+$(kapi)/syscall_table.h: $(syscall) $(systbl)
+ $(call if_changed,systbl)
+
+uapisyshdr-y += unistd_32.h
+kapisyshdr-y += syscall_table.h
+
+targets += $(uapisyshdr-y) $(kapisyshdr-y)
+
+PHONY += all
+all: $(addprefix $(uapi)/,$(uapisyshdr-y))
+all: $(addprefix $(kapi)/,$(kapisyshdr-y))
+ @:
diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl
new file mode 100644
index 0000000..69cf91b
--- /dev/null
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -0,0 +1,374 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for xtensa
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "common" for this file
+#
+0 common spill sys_ni_syscall
+1 common xtensa sys_ni_syscall
+2 common available4 sys_ni_syscall
+3 common available5 sys_ni_syscall
+4 common available6 sys_ni_syscall
+5 common available7 sys_ni_syscall
+6 common available8 sys_ni_syscall
+7 common available9 sys_ni_syscall
+# File Operations
+8 common open sys_open
+9 common close sys_close
+10 common dup sys_dup
+11 common dup2 sys_dup2
+12 common read sys_read
+13 common write sys_write
+14 common select sys_select
+15 common lseek sys_lseek
+16 common poll sys_poll
+17 common _llseek sys_llseek
+18 common epoll_wait sys_epoll_wait
+19 common epoll_ctl sys_epoll_ctl
+20 common epoll_create sys_epoll_create
+21 common creat sys_creat
+22 common truncate sys_truncate
+23 common ftruncate sys_ftruncate
+24 common readv sys_readv
+25 common writev sys_writev
+26 common fsync sys_fsync
+27 common fdatasync sys_fdatasync
+28 common truncate64 sys_truncate64
+29 common ftruncate64 sys_ftruncate64
+30 common pread64 sys_pread64
+31 common pwrite64 sys_pwrite64
+32 common link sys_link
+33 common rename sys_rename
+34 common symlink sys_symlink
+35 common readlink sys_readlink
+36 common mknod sys_mknod
+37 common pipe sys_pipe
+38 common unlink sys_unlink
+39 common rmdir sys_rmdir
+40 common mkdir sys_mkdir
+41 common chdir sys_chdir
+42 common fchdir sys_fchdir
+43 common getcwd sys_getcwd
+44 common chmod sys_chmod
+45 common chown sys_chown
+46 common stat sys_newstat
+47 common stat64 sys_stat64
+48 common lchown sys_lchown
+49 common lstat sys_newlstat
+50 common lstat64 sys_lstat64
+51 common available51 sys_ni_syscall
+52 common fchmod sys_fchmod
+53 common fchown sys_fchown
+54 common fstat sys_newfstat
+55 common fstat64 sys_fstat64
+56 common flock sys_flock
+57 common access sys_access
+58 common umask sys_umask
+59 common getdents sys_getdents
+60 common getdents64 sys_getdents64
+61 common fcntl64 sys_fcntl64
+62 common fallocate sys_fallocate
+63 common fadvise64_64 xtensa_fadvise64_64
+64 common utime sys_utime
+65 common utimes sys_utimes
+66 common ioctl sys_ioctl
+67 common fcntl sys_fcntl
+68 common setxattr sys_setxattr
+69 common getxattr sys_getxattr
+70 common listxattr sys_listxattr
+71 common removexattr sys_removexattr
+72 common lsetxattr sys_lsetxattr
+73 common lgetxattr sys_lgetxattr
+74 common llistxattr sys_llistxattr
+75 common lremovexattr sys_lremovexattr
+76 common fsetxattr sys_fsetxattr
+77 common fgetxattr sys_fgetxattr
+78 common flistxattr sys_flistxattr
+79 common fremovexattr sys_fremovexattr
+# File Map / Shared Memory Operations
+80 common mmap2 sys_mmap_pgoff
+81 common munmap sys_munmap
+82 common mprotect sys_mprotect
+83 common brk sys_brk
+84 common mlock sys_mlock
+85 common munlock sys_munlock
+86 common mlockall sys_mlockall
+87 common munlockall sys_munlockall
+88 common mremap sys_mremap
+89 common msync sys_msync
+90 common mincore sys_mincore
+91 common madvise sys_madvise
+92 common shmget sys_shmget
+93 common shmat xtensa_shmat
+94 common shmctl sys_shmctl
+95 common shmdt sys_shmdt
+# Socket Operations
+96 common socket sys_socket
+97 common setsockopt sys_setsockopt
+98 common getsockopt sys_getsockopt
+99 common shutdown sys_shutdown
+100 common bind sys_bind
+101 common connect sys_connect
+102 common listen sys_listen
+103 common accept sys_accept
+104 common getsockname sys_getsockname
+105 common getpeername sys_getpeername
+106 common sendmsg sys_sendmsg
+107 common recvmsg sys_recvmsg
+108 common send sys_send
+109 common recv sys_recv
+110 common sendto sys_sendto
+111 common recvfrom sys_recvfrom
+112 common socketpair sys_socketpair
+113 common sendfile sys_sendfile
+114 common sendfile64 sys_sendfile64
+115 common sendmmsg sys_sendmmsg
+# Process Operations
+116 common clone sys_clone
+117 common execve sys_execve
+118 common exit sys_exit
+119 common exit_group sys_exit_group
+120 common getpid sys_getpid
+121 common wait4 sys_wait4
+122 common waitid sys_waitid
+123 common kill sys_kill
+124 common tkill sys_tkill
+125 common tgkill sys_tgkill
+126 common set_tid_address sys_set_tid_address
+127 common gettid sys_gettid
+128 common setsid sys_setsid
+129 common getsid sys_getsid
+130 common prctl sys_prctl
+131 common personality sys_personality
+132 common getpriority sys_getpriority
+133 common setpriority sys_setpriority
+134 common setitimer sys_setitimer
+135 common getitimer sys_getitimer
+136 common setuid sys_setuid
+137 common getuid sys_getuid
+138 common setgid sys_setgid
+139 common getgid sys_getgid
+140 common geteuid sys_geteuid
+141 common getegid sys_getegid
+142 common setreuid sys_setreuid
+143 common setregid sys_setregid
+144 common setresuid sys_setresuid
+145 common getresuid sys_getresuid
+146 common setresgid sys_setresgid
+147 common getresgid sys_getresgid
+148 common setpgid sys_setpgid
+149 common getpgid sys_getpgid
+150 common getppid sys_getppid
+151 common getpgrp sys_getpgrp
+# 152 was set_thread_area
+152 common reserved152 sys_ni_syscall
+# 153 was get_thread_area
+153 common reserved153 sys_ni_syscall
+154 common times sys_times
+155 common acct sys_acct
+156 common sched_setaffinity sys_sched_setaffinity
+157 common sched_getaffinity sys_sched_getaffinity
+158 common capget sys_capget
+159 common capset sys_capset
+160 common ptrace sys_ptrace
+161 common semtimedop sys_semtimedop
+162 common semget sys_semget
+163 common semop sys_semop
+164 common semctl sys_semctl
+165 common available165 sys_ni_syscall
+166 common msgget sys_msgget
+167 common msgsnd sys_msgsnd
+168 common msgrcv sys_msgrcv
+169 common msgctl sys_msgctl
+170 common available170 sys_ni_syscall
+# File System
+171 common umount2 sys_umount
+172 common mount sys_mount
+173 common swapon sys_swapon
+174 common chroot sys_chroot
+175 common pivot_root sys_pivot_root
+176 common umount sys_oldumount
+177 common swapoff sys_swapoff
+178 common sync sys_sync
+179 common syncfs sys_syncfs
+180 common setfsuid sys_setfsuid
+181 common setfsgid sys_setfsgid
+182 common sysfs sys_sysfs
+183 common ustat sys_ustat
+184 common statfs sys_statfs
+185 common fstatfs sys_fstatfs
+186 common statfs64 sys_statfs64
+187 common fstatfs64 sys_fstatfs64
+# System
+188 common setrlimit sys_setrlimit
+189 common getrlimit sys_getrlimit
+190 common getrusage sys_getrusage
+191 common futex sys_futex
+192 common gettimeofday sys_gettimeofday
+193 common settimeofday sys_settimeofday
+194 common adjtimex sys_adjtimex
+195 common nanosleep sys_nanosleep
+196 common getgroups sys_getgroups
+197 common setgroups sys_setgroups
+198 common sethostname sys_sethostname
+199 common setdomainname sys_setdomainname
+200 common syslog sys_syslog
+201 common vhangup sys_vhangup
+202 common uselib sys_uselib
+203 common reboot sys_reboot
+204 common quotactl sys_quotactl
+# 205 was old nfsservctl
+205 common nfsservctl sys_ni_syscall
+206 common _sysctl sys_sysctl
+207 common bdflush sys_bdflush
+208 common uname sys_newuname
+209 common sysinfo sys_sysinfo
+210 common init_module sys_init_module
+211 common delete_module sys_delete_module
+212 common sched_setparam sys_sched_setparam
+213 common sched_getparam sys_sched_getparam
+214 common sched_setscheduler sys_sched_setscheduler
+215 common sched_getscheduler sys_sched_getscheduler
+216 common sched_get_priority_max sys_sched_get_priority_max
+217 common sched_get_priority_min sys_sched_get_priority_min
+218 common sched_rr_get_interval sys_sched_rr_get_interval
+219 common sched_yield sys_sched_yield
+222 common available222 sys_ni_syscall
+# Signal Handling
+223 common restart_syscall sys_restart_syscall
+224 common sigaltstack sys_sigaltstack
+225 common rt_sigreturn xtensa_rt_sigreturn
+226 common rt_sigaction sys_rt_sigaction
+227 common rt_sigprocmask sys_rt_sigprocmask
+228 common rt_sigpending sys_rt_sigpending
+229 common rt_sigtimedwait sys_rt_sigtimedwait
+230 common rt_sigqueueinfo sys_rt_sigqueueinfo
+231 common rt_sigsuspend sys_rt_sigsuspend
+# Message
+232 common mq_open sys_mq_open
+233 common mq_unlink sys_mq_unlink
+234 common mq_timedsend sys_mq_timedsend
+235 common mq_timedreceive sys_mq_timedreceive
+236 common mq_notify sys_mq_notify
+237 common mq_getsetattr sys_mq_getsetattr
+238 common available238 sys_ni_syscall
+239 common io_setup sys_io_setup
+# IO
+240 common io_destroy sys_io_destroy
+241 common io_submit sys_io_submit
+242 common io_getevents sys_io_getevents
+243 common io_cancel sys_io_cancel
+244 common clock_settime sys_clock_settime
+245 common clock_gettime sys_clock_gettime
+246 common clock_getres sys_clock_getres
+247 common clock_nanosleep sys_clock_nanosleep
+# Timer
+248 common timer_create sys_timer_create
+249 common timer_delete sys_timer_delete
+250 common timer_settime sys_timer_settime
+251 common timer_gettime sys_timer_gettime
+252 common timer_getoverrun sys_timer_getoverrun
+# System
+253 common reserved253 sys_ni_syscall
+254 common lookup_dcookie sys_lookup_dcookie
+255 common available255 sys_ni_syscall
+256 common add_key sys_add_key
+257 common request_key sys_request_key
+258 common keyctl sys_keyctl
+259 common available259 sys_ni_syscall
+260 common readahead sys_readahead
+261 common remap_file_pages sys_remap_file_pages
+262 common migrate_pages sys_migrate_pages
+263 common mbind sys_mbind
+264 common get_mempolicy sys_get_mempolicy
+265 common set_mempolicy sys_set_mempolicy
+266 common unshare sys_unshare
+267 common move_pages sys_move_pages
+268 common splice sys_splice
+269 common tee sys_tee
+270 common vmsplice sys_vmsplice
+271 common available271 sys_ni_syscall
+272 common pselect6 sys_pselect6
+273 common ppoll sys_ppoll
+274 common epoll_pwait sys_epoll_pwait
+275 common epoll_create1 sys_epoll_create1
+276 common inotify_init sys_inotify_init
+277 common inotify_add_watch sys_inotify_add_watch
+278 common inotify_rm_watch sys_inotify_rm_watch
+279 common inotify_init1 sys_inotify_init1
+280 common getcpu sys_getcpu
+281 common kexec_load sys_ni_syscall
+282 common ioprio_set sys_ioprio_set
+283 common ioprio_get sys_ioprio_get
+284 common set_robust_list sys_set_robust_list
+285 common get_robust_list sys_get_robust_list
+286 common available286 sys_ni_syscall
+287 common available287 sys_ni_syscall
+# Relative File Operations
+288 common openat sys_openat
+289 common mkdirat sys_mkdirat
+290 common mknodat sys_mknodat
+291 common unlinkat sys_unlinkat
+292 common renameat sys_renameat
+293 common linkat sys_linkat
+294 common symlinkat sys_symlinkat
+295 common readlinkat sys_readlinkat
+296 common utimensat sys_utimensat
+297 common fchownat sys_fchownat
+298 common futimesat sys_futimesat
+299 common fstatat64 sys_fstatat64
+300 common fchmodat sys_fchmodat
+301 common faccessat sys_faccessat
+302 common available302 sys_ni_syscall
+303 common available303 sys_ni_syscall
+304 common signalfd sys_signalfd
+# 305 was timerfd
+306 common eventfd sys_eventfd
+307 common recvmmsg sys_recvmmsg
+308 common setns sys_setns
+309 common signalfd4 sys_signalfd4
+310 common dup3 sys_dup3
+311 common pipe2 sys_pipe2
+312 common timerfd_create sys_timerfd_create
+313 common timerfd_settime sys_timerfd_settime
+314 common timerfd_gettime sys_timerfd_gettime
+315 common available315 sys_ni_syscall
+316 common eventfd2 sys_eventfd2
+317 common preadv sys_preadv
+318 common pwritev sys_pwritev
+319 common available319 sys_ni_syscall
+320 common fanotify_init sys_fanotify_init
+321 common fanotify_mark sys_fanotify_mark
+322 common process_vm_readv sys_process_vm_readv
+323 common process_vm_writev sys_process_vm_writev
+324 common name_to_handle_at sys_name_to_handle_at
+325 common open_by_handle_at sys_open_by_handle_at
+326 common sync_file_range2 sys_sync_file_range2
+327 common perf_event_open sys_perf_event_open
+328 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+329 common clock_adjtime sys_clock_adjtime
+330 common prlimit64 sys_prlimit64
+331 common kcmp sys_kcmp
+332 common finit_module sys_finit_module
+333 common accept4 sys_accept4
+334 common sched_setattr sys_sched_setattr
+335 common sched_getattr sys_sched_getattr
+336 common renameat2 sys_renameat2
+337 common seccomp sys_seccomp
+338 common getrandom sys_getrandom
+339 common memfd_create sys_memfd_create
+340 common bpf sys_bpf
+341 common execveat sys_execveat
+342 common userfaultfd sys_userfaultfd
+343 common membarrier sys_membarrier
+344 common mlock2 sys_mlock2
+345 common copy_file_range sys_copy_file_range
+346 common preadv2 sys_preadv2
+347 common pwritev2 sys_pwritev2
+348 common pkey_mprotect sys_pkey_mprotect
+349 common pkey_alloc sys_pkey_alloc
+350 common pkey_free sys_pkey_free
+351 common statx sys_statx
diff --git a/arch/xtensa/kernel/syscalls/syscallhdr.sh b/arch/xtensa/kernel/syscalls/syscallhdr.sh
new file mode 100644
index 0000000..d37db64
--- /dev/null
+++ b/arch/xtensa/kernel/syscalls/syscallhdr.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=_UAPI_ASM_XTENSA_`basename "$out" | sed \
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+ -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ printf "#ifndef %s\n" "${fileguard}"
+ printf "#define %s\n" "${fileguard}"
+ printf "\n"
+
+ nxt=0
+ while read nr abi name entry ; do
+ if [ -z "$offset" ]; then
+ printf "#define __NR_%s%s\t%s\n" \
+ "${prefix}" "${name}" "${nr}"
+ else
+ printf "#define __NR_%s%s\t(%s + %s)\n" \
+ "${prefix}" "${name}" "${offset}" "${nr}"
+ fi
+ nxt=$((nr+1))
+ done
+
+ printf "\n"
+ printf "#ifdef __KERNEL__\n"
+ printf "#define __NR_syscalls\t%s\n" "${nxt}"
+ printf "#endif\n"
+ printf "\n"
+ printf "#endif /* %s */" "${fileguard}"
+) > "$out"
diff --git a/arch/xtensa/kernel/syscalls/syscalltbl.sh b/arch/xtensa/kernel/syscalls/syscalltbl.sh
new file mode 100644
index 0000000..85d78d9
--- /dev/null
+++ b/arch/xtensa/kernel/syscalls/syscalltbl.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+my_abi="$4"
+offset="$5"
+
+emit() {
+ t_nxt="$1"
+ t_nr="$2"
+ t_entry="$3"
+
+ while [ $t_nxt -lt $t_nr ]; do
+ printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}"
+ t_nxt=$((t_nxt+1))
+ done
+ printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}"
+}
+
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ nxt=0
+ if [ -z "$offset" ]; then
+ offset=0
+ fi
+
+ while read nr abi name entry ; do
+ emit $((nxt+offset)) $((nr+offset)) $entry
+ nxt=$((nr+1))
+ done
+) > "$out"
--
1.9.1
System call table generation script must be run to gener-
ate unistd_32.h and syscall_table.h files. This patch will
have changes which will invokes the script.
This patch will generate unistd_32.h and syscall_table.h
files by the syscall table generation script invoked by
xtensa/Makefile and the generated files against the removed
files must be identical.
The generated uapi header file will be included in uapi/-
asm/unistd.h and generated system call table header file
will be included by kernel/syscall.c file.
Signed-off-by: Firoz Khan <[email protected]>
---
arch/xtensa/Makefile | 3 +
arch/xtensa/include/asm/Kbuild | 1 +
arch/xtensa/include/uapi/asm/Kbuild | 1 +
arch/xtensa/include/uapi/asm/unistd.h | 783 +---------------------------------
arch/xtensa/kernel/syscall.c | 5 +-
5 files changed, 10 insertions(+), 783 deletions(-)
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index be060df..1542018 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -90,6 +90,9 @@ boot := arch/xtensa/boot
all Image zImage uImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
+archheaders:
+ $(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all
+
define archhelp
@echo '* Image - Kernel ELF image with reset vector'
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 3310ade..e255683 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1,3 +1,4 @@
+generated-y += syscall_table.h
generic-y += bug.h
generic-y += compat.h
generic-y += device.h
diff --git a/arch/xtensa/include/uapi/asm/Kbuild b/arch/xtensa/include/uapi/asm/Kbuild
index 837d4dd..f95cad3 100644
--- a/arch/xtensa/include/uapi/asm/Kbuild
+++ b/arch/xtensa/include/uapi/asm/Kbuild
@@ -1,6 +1,7 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
+generated-y += unistd_32.h
generic-y += bitsperlong.h
generic-y += bpf_perf_event.h
generic-y += errno.h
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index 332d67a..e67ccdd 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -1,786 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#if !defined(_UAPI_XTENSA_UNISTD_H) || defined(__SYSCALL)
+#ifndef _UAPI_XTENSA_UNISTD_H
#define _UAPI_XTENSA_UNISTD_H
-#ifndef __SYSCALL
-# define __SYSCALL(nr,func,nargs)
-#endif
+#include <asm/unistd_32.h>
-#define __NR_spill 0
-__SYSCALL( 0, sys_ni_syscall, 0)
-#define __NR_xtensa 1
-__SYSCALL( 1, sys_ni_syscall, 0)
-#define __NR_available4 2
-__SYSCALL( 2, sys_ni_syscall, 0)
-#define __NR_available5 3
-__SYSCALL( 3, sys_ni_syscall, 0)
-#define __NR_available6 4
-__SYSCALL( 4, sys_ni_syscall, 0)
-#define __NR_available7 5
-__SYSCALL( 5, sys_ni_syscall, 0)
-#define __NR_available8 6
-__SYSCALL( 6, sys_ni_syscall, 0)
-#define __NR_available9 7
-__SYSCALL( 7, sys_ni_syscall, 0)
-
-/* File Operations */
-
-#define __NR_open 8
-__SYSCALL( 8, sys_open, 3)
-#define __NR_close 9
-__SYSCALL( 9, sys_close, 1)
-#define __NR_dup 10
-__SYSCALL( 10, sys_dup, 1)
-#define __NR_dup2 11
-__SYSCALL( 11, sys_dup2, 2)
-#define __NR_read 12
-__SYSCALL( 12, sys_read, 3)
-#define __NR_write 13
-__SYSCALL( 13, sys_write, 3)
-#define __NR_select 14
-__SYSCALL( 14, sys_select, 5)
-#define __NR_lseek 15
-__SYSCALL( 15, sys_lseek, 3)
-#define __NR_poll 16
-__SYSCALL( 16, sys_poll, 3)
-#define __NR__llseek 17
-__SYSCALL( 17, sys_llseek, 5)
-#define __NR_epoll_wait 18
-__SYSCALL( 18, sys_epoll_wait, 4)
-#define __NR_epoll_ctl 19
-__SYSCALL( 19, sys_epoll_ctl, 4)
-#define __NR_epoll_create 20
-__SYSCALL( 20, sys_epoll_create, 1)
-#define __NR_creat 21
-__SYSCALL( 21, sys_creat, 2)
-#define __NR_truncate 22
-__SYSCALL( 22, sys_truncate, 2)
-#define __NR_ftruncate 23
-__SYSCALL( 23, sys_ftruncate, 2)
-#define __NR_readv 24
-__SYSCALL( 24, sys_readv, 3)
-#define __NR_writev 25
-__SYSCALL( 25, sys_writev, 3)
-#define __NR_fsync 26
-__SYSCALL( 26, sys_fsync, 1)
-#define __NR_fdatasync 27
-__SYSCALL( 27, sys_fdatasync, 1)
-#define __NR_truncate64 28
-__SYSCALL( 28, sys_truncate64, 2)
-#define __NR_ftruncate64 29
-__SYSCALL( 29, sys_ftruncate64, 2)
-#define __NR_pread64 30
-__SYSCALL( 30, sys_pread64, 6)
-#define __NR_pwrite64 31
-__SYSCALL( 31, sys_pwrite64, 6)
-
-#define __NR_link 32
-__SYSCALL( 32, sys_link, 2)
-#define __NR_rename 33
-__SYSCALL( 33, sys_rename, 2)
-#define __NR_symlink 34
-__SYSCALL( 34, sys_symlink, 2)
-#define __NR_readlink 35
-__SYSCALL( 35, sys_readlink, 3)
-#define __NR_mknod 36
-__SYSCALL( 36, sys_mknod, 3)
-#define __NR_pipe 37
-__SYSCALL( 37, sys_pipe, 1)
-#define __NR_unlink 38
-__SYSCALL( 38, sys_unlink, 1)
-#define __NR_rmdir 39
-__SYSCALL( 39, sys_rmdir, 1)
-
-#define __NR_mkdir 40
-__SYSCALL( 40, sys_mkdir, 2)
-#define __NR_chdir 41
-__SYSCALL( 41, sys_chdir, 1)
-#define __NR_fchdir 42
-__SYSCALL( 42, sys_fchdir, 1)
-#define __NR_getcwd 43
-__SYSCALL( 43, sys_getcwd, 2)
-
-#define __NR_chmod 44
-__SYSCALL( 44, sys_chmod, 2)
-#define __NR_chown 45
-__SYSCALL( 45, sys_chown, 3)
-#define __NR_stat 46
-__SYSCALL( 46, sys_newstat, 2)
-#define __NR_stat64 47
-__SYSCALL( 47, sys_stat64, 2)
-
-#define __NR_lchown 48
-__SYSCALL( 48, sys_lchown, 3)
-#define __NR_lstat 49
-__SYSCALL( 49, sys_newlstat, 2)
-#define __NR_lstat64 50
-__SYSCALL( 50, sys_lstat64, 2)
-#define __NR_available51 51
-__SYSCALL( 51, sys_ni_syscall, 0)
-
-#define __NR_fchmod 52
-__SYSCALL( 52, sys_fchmod, 2)
-#define __NR_fchown 53
-__SYSCALL( 53, sys_fchown, 3)
-#define __NR_fstat 54
-__SYSCALL( 54, sys_newfstat, 2)
-#define __NR_fstat64 55
-__SYSCALL( 55, sys_fstat64, 2)
-
-#define __NR_flock 56
-__SYSCALL( 56, sys_flock, 2)
-#define __NR_access 57
-__SYSCALL( 57, sys_access, 2)
-#define __NR_umask 58
-__SYSCALL( 58, sys_umask, 1)
-#define __NR_getdents 59
-__SYSCALL( 59, sys_getdents, 3)
-#define __NR_getdents64 60
-__SYSCALL( 60, sys_getdents64, 3)
-#define __NR_fcntl64 61
-__SYSCALL( 61, sys_fcntl64, 3)
-#define __NR_fallocate 62
-__SYSCALL( 62, sys_fallocate, 6)
-#define __NR_fadvise64_64 63
-__SYSCALL( 63, xtensa_fadvise64_64, 6)
-#define __NR_utime 64 /* glibc 2.3.3 ?? */
-__SYSCALL( 64, sys_utime, 2)
-#define __NR_utimes 65
-__SYSCALL( 65, sys_utimes, 2)
-#define __NR_ioctl 66
-__SYSCALL( 66, sys_ioctl, 3)
-#define __NR_fcntl 67
-__SYSCALL( 67, sys_fcntl, 3)
-
-#define __NR_setxattr 68
-__SYSCALL( 68, sys_setxattr, 5)
-#define __NR_getxattr 69
-__SYSCALL( 69, sys_getxattr, 4)
-#define __NR_listxattr 70
-__SYSCALL( 70, sys_listxattr, 3)
-#define __NR_removexattr 71
-__SYSCALL( 71, sys_removexattr, 2)
-#define __NR_lsetxattr 72
-__SYSCALL( 72, sys_lsetxattr, 5)
-#define __NR_lgetxattr 73
-__SYSCALL( 73, sys_lgetxattr, 4)
-#define __NR_llistxattr 74
-__SYSCALL( 74, sys_llistxattr, 3)
-#define __NR_lremovexattr 75
-__SYSCALL( 75, sys_lremovexattr, 2)
-#define __NR_fsetxattr 76
-__SYSCALL( 76, sys_fsetxattr, 5)
-#define __NR_fgetxattr 77
-__SYSCALL( 77, sys_fgetxattr, 4)
-#define __NR_flistxattr 78
-__SYSCALL( 78, sys_flistxattr, 3)
-#define __NR_fremovexattr 79
-__SYSCALL( 79, sys_fremovexattr, 2)
-
-/* File Map / Shared Memory Operations */
-
-#define __NR_mmap2 80
-__SYSCALL( 80, sys_mmap_pgoff, 6)
-#define __NR_munmap 81
-__SYSCALL( 81, sys_munmap, 2)
-#define __NR_mprotect 82
-__SYSCALL( 82, sys_mprotect, 3)
-#define __NR_brk 83
-__SYSCALL( 83, sys_brk, 1)
-#define __NR_mlock 84
-__SYSCALL( 84, sys_mlock, 2)
-#define __NR_munlock 85
-__SYSCALL( 85, sys_munlock, 2)
-#define __NR_mlockall 86
-__SYSCALL( 86, sys_mlockall, 1)
-#define __NR_munlockall 87
-__SYSCALL( 87, sys_munlockall, 0)
-#define __NR_mremap 88
-__SYSCALL( 88, sys_mremap, 4)
-#define __NR_msync 89
-__SYSCALL( 89, sys_msync, 3)
-#define __NR_mincore 90
-__SYSCALL( 90, sys_mincore, 3)
-#define __NR_madvise 91
-__SYSCALL( 91, sys_madvise, 3)
-#define __NR_shmget 92
-__SYSCALL( 92, sys_shmget, 4)
-#define __NR_shmat 93
-__SYSCALL( 93, xtensa_shmat, 4)
-#define __NR_shmctl 94
-__SYSCALL( 94, sys_shmctl, 4)
-#define __NR_shmdt 95
-__SYSCALL( 95, sys_shmdt, 4)
-
-/* Socket Operations */
-
-#define __NR_socket 96
-__SYSCALL( 96, sys_socket, 3)
-#define __NR_setsockopt 97
-__SYSCALL( 97, sys_setsockopt, 5)
-#define __NR_getsockopt 98
-__SYSCALL( 98, sys_getsockopt, 5)
-#define __NR_shutdown 99
-__SYSCALL( 99, sys_shutdown, 2)
-
-#define __NR_bind 100
-__SYSCALL(100, sys_bind, 3)
-#define __NR_connect 101
-__SYSCALL(101, sys_connect, 3)
-#define __NR_listen 102
-__SYSCALL(102, sys_listen, 2)
-#define __NR_accept 103
-__SYSCALL(103, sys_accept, 3)
-
-#define __NR_getsockname 104
-__SYSCALL(104, sys_getsockname, 3)
-#define __NR_getpeername 105
-__SYSCALL(105, sys_getpeername, 3)
-#define __NR_sendmsg 106
-__SYSCALL(106, sys_sendmsg, 3)
-#define __NR_recvmsg 107
-__SYSCALL(107, sys_recvmsg, 3)
-#define __NR_send 108
-__SYSCALL(108, sys_send, 4)
-#define __NR_recv 109
-__SYSCALL(109, sys_recv, 4)
-#define __NR_sendto 110
-__SYSCALL(110, sys_sendto, 6)
-#define __NR_recvfrom 111
-__SYSCALL(111, sys_recvfrom, 6)
-
-#define __NR_socketpair 112
-__SYSCALL(112, sys_socketpair, 4)
-#define __NR_sendfile 113
-__SYSCALL(113, sys_sendfile, 4)
-#define __NR_sendfile64 114
-__SYSCALL(114, sys_sendfile64, 4)
-#define __NR_sendmmsg 115
-__SYSCALL(115, sys_sendmmsg, 4)
-
-/* Process Operations */
-
-#define __NR_clone 116
-__SYSCALL(116, sys_clone, 5)
-#define __NR_execve 117
-__SYSCALL(117, sys_execve, 3)
-#define __NR_exit 118
-__SYSCALL(118, sys_exit, 1)
-#define __NR_exit_group 119
-__SYSCALL(119, sys_exit_group, 1)
-#define __NR_getpid 120
-__SYSCALL(120, sys_getpid, 0)
-#define __NR_wait4 121
-__SYSCALL(121, sys_wait4, 4)
-#define __NR_waitid 122
-__SYSCALL(122, sys_waitid, 5)
-#define __NR_kill 123
-__SYSCALL(123, sys_kill, 2)
-#define __NR_tkill 124
-__SYSCALL(124, sys_tkill, 2)
-#define __NR_tgkill 125
-__SYSCALL(125, sys_tgkill, 3)
-#define __NR_set_tid_address 126
-__SYSCALL(126, sys_set_tid_address, 1)
-#define __NR_gettid 127
-__SYSCALL(127, sys_gettid, 0)
-#define __NR_setsid 128
-__SYSCALL(128, sys_setsid, 0)
-#define __NR_getsid 129
-__SYSCALL(129, sys_getsid, 1)
-#define __NR_prctl 130
-__SYSCALL(130, sys_prctl, 5)
-#define __NR_personality 131
-__SYSCALL(131, sys_personality, 1)
-#define __NR_getpriority 132
-__SYSCALL(132, sys_getpriority, 2)
-#define __NR_setpriority 133
-__SYSCALL(133, sys_setpriority, 3)
-#define __NR_setitimer 134
-__SYSCALL(134, sys_setitimer, 3)
-#define __NR_getitimer 135
-__SYSCALL(135, sys_getitimer, 2)
-#define __NR_setuid 136
-__SYSCALL(136, sys_setuid, 1)
-#define __NR_getuid 137
-__SYSCALL(137, sys_getuid, 0)
-#define __NR_setgid 138
-__SYSCALL(138, sys_setgid, 1)
-#define __NR_getgid 139
-__SYSCALL(139, sys_getgid, 0)
-#define __NR_geteuid 140
-__SYSCALL(140, sys_geteuid, 0)
-#define __NR_getegid 141
-__SYSCALL(141, sys_getegid, 0)
-#define __NR_setreuid 142
-__SYSCALL(142, sys_setreuid, 2)
-#define __NR_setregid 143
-__SYSCALL(143, sys_setregid, 2)
-#define __NR_setresuid 144
-__SYSCALL(144, sys_setresuid, 3)
-#define __NR_getresuid 145
-__SYSCALL(145, sys_getresuid, 3)
-#define __NR_setresgid 146
-__SYSCALL(146, sys_setresgid, 3)
-#define __NR_getresgid 147
-__SYSCALL(147, sys_getresgid, 3)
-#define __NR_setpgid 148
-__SYSCALL(148, sys_setpgid, 2)
-#define __NR_getpgid 149
-__SYSCALL(149, sys_getpgid, 1)
-#define __NR_getppid 150
-__SYSCALL(150, sys_getppid, 0)
-#define __NR_getpgrp 151
-__SYSCALL(151, sys_getpgrp, 0)
-
-#define __NR_reserved152 152 /* set_thread_area */
-__SYSCALL(152, sys_ni_syscall, 0)
-#define __NR_reserved153 153 /* get_thread_area */
-__SYSCALL(153, sys_ni_syscall, 0)
-#define __NR_times 154
-__SYSCALL(154, sys_times, 1)
-#define __NR_acct 155
-__SYSCALL(155, sys_acct, 1)
-#define __NR_sched_setaffinity 156
-__SYSCALL(156, sys_sched_setaffinity, 3)
-#define __NR_sched_getaffinity 157
-__SYSCALL(157, sys_sched_getaffinity, 3)
-#define __NR_capget 158
-__SYSCALL(158, sys_capget, 2)
-#define __NR_capset 159
-__SYSCALL(159, sys_capset, 2)
-#define __NR_ptrace 160
-__SYSCALL(160, sys_ptrace, 4)
-#define __NR_semtimedop 161
-__SYSCALL(161, sys_semtimedop, 5)
-#define __NR_semget 162
-__SYSCALL(162, sys_semget, 4)
-#define __NR_semop 163
-__SYSCALL(163, sys_semop, 4)
-#define __NR_semctl 164
-__SYSCALL(164, sys_semctl, 4)
-#define __NR_available165 165
-__SYSCALL(165, sys_ni_syscall, 0)
-#define __NR_msgget 166
-__SYSCALL(166, sys_msgget, 4)
-#define __NR_msgsnd 167
-__SYSCALL(167, sys_msgsnd, 4)
-#define __NR_msgrcv 168
-__SYSCALL(168, sys_msgrcv, 4)
-#define __NR_msgctl 169
-__SYSCALL(169, sys_msgctl, 4)
-#define __NR_available170 170
-__SYSCALL(170, sys_ni_syscall, 0)
-
-/* File System */
-
-#define __NR_umount2 171
-__SYSCALL(171, sys_umount, 2)
-#define __NR_mount 172
-__SYSCALL(172, sys_mount, 5)
-#define __NR_swapon 173
-__SYSCALL(173, sys_swapon, 2)
-#define __NR_chroot 174
-__SYSCALL(174, sys_chroot, 1)
-#define __NR_pivot_root 175
-__SYSCALL(175, sys_pivot_root, 2)
-#define __NR_umount 176
-__SYSCALL(176, sys_oldumount, 1)
#define __ARCH_WANT_SYS_OLDUMOUNT
-#define __NR_swapoff 177
-__SYSCALL(177, sys_swapoff, 1)
-#define __NR_sync 178
-__SYSCALL(178, sys_sync, 0)
-#define __NR_syncfs 179
-__SYSCALL(179, sys_syncfs, 1)
-#define __NR_setfsuid 180
-__SYSCALL(180, sys_setfsuid, 1)
-#define __NR_setfsgid 181
-__SYSCALL(181, sys_setfsgid, 1)
-#define __NR_sysfs 182
-__SYSCALL(182, sys_sysfs, 3)
-#define __NR_ustat 183
-__SYSCALL(183, sys_ustat, 2)
-#define __NR_statfs 184
-__SYSCALL(184, sys_statfs, 2)
-#define __NR_fstatfs 185
-__SYSCALL(185, sys_fstatfs, 2)
-#define __NR_statfs64 186
-__SYSCALL(186, sys_statfs64, 3)
-#define __NR_fstatfs64 187
-__SYSCALL(187, sys_fstatfs64, 3)
-
-/* System */
-
-#define __NR_setrlimit 188
-__SYSCALL(188, sys_setrlimit, 2)
-#define __NR_getrlimit 189
-__SYSCALL(189, sys_getrlimit, 2)
-#define __NR_getrusage 190
-__SYSCALL(190, sys_getrusage, 2)
-#define __NR_futex 191
-__SYSCALL(191, sys_futex, 5)
-#define __NR_gettimeofday 192
-__SYSCALL(192, sys_gettimeofday, 2)
-#define __NR_settimeofday 193
-__SYSCALL(193, sys_settimeofday, 2)
-#define __NR_adjtimex 194
-__SYSCALL(194, sys_adjtimex, 1)
-#define __NR_nanosleep 195
-__SYSCALL(195, sys_nanosleep, 2)
-#define __NR_getgroups 196
-__SYSCALL(196, sys_getgroups, 2)
-#define __NR_setgroups 197
-__SYSCALL(197, sys_setgroups, 2)
-#define __NR_sethostname 198
-__SYSCALL(198, sys_sethostname, 2)
-#define __NR_setdomainname 199
-__SYSCALL(199, sys_setdomainname, 2)
-#define __NR_syslog 200
-__SYSCALL(200, sys_syslog, 3)
-#define __NR_vhangup 201
-__SYSCALL(201, sys_vhangup, 0)
-#define __NR_uselib 202
-__SYSCALL(202, sys_uselib, 1)
-#define __NR_reboot 203
-__SYSCALL(203, sys_reboot, 3)
-#define __NR_quotactl 204
-__SYSCALL(204, sys_quotactl, 4)
-#define __NR_nfsservctl 205
-__SYSCALL(205, sys_ni_syscall, 0) /* old nfsservctl */
-#define __NR__sysctl 206
-__SYSCALL(206, sys_sysctl, 1)
-#define __NR_bdflush 207
-__SYSCALL(207, sys_bdflush, 2)
-#define __NR_uname 208
-__SYSCALL(208, sys_newuname, 1)
-#define __NR_sysinfo 209
-__SYSCALL(209, sys_sysinfo, 1)
-#define __NR_init_module 210
-__SYSCALL(210, sys_init_module, 2)
-#define __NR_delete_module 211
-__SYSCALL(211, sys_delete_module, 1)
-
-#define __NR_sched_setparam 212
-__SYSCALL(212, sys_sched_setparam, 2)
-#define __NR_sched_getparam 213
-__SYSCALL(213, sys_sched_getparam, 2)
-#define __NR_sched_setscheduler 214
-__SYSCALL(214, sys_sched_setscheduler, 3)
-#define __NR_sched_getscheduler 215
-__SYSCALL(215, sys_sched_getscheduler, 1)
-#define __NR_sched_get_priority_max 216
-__SYSCALL(216, sys_sched_get_priority_max, 1)
-#define __NR_sched_get_priority_min 217
-__SYSCALL(217, sys_sched_get_priority_min, 1)
-#define __NR_sched_rr_get_interval 218
-__SYSCALL(218, sys_sched_rr_get_interval, 2)
-#define __NR_sched_yield 219
-__SYSCALL(219, sys_sched_yield, 0)
-#define __NR_available222 222
-__SYSCALL(222, sys_ni_syscall, 0)
-
-/* Signal Handling */
-
-#define __NR_restart_syscall 223
-__SYSCALL(223, sys_restart_syscall, 0)
-#define __NR_sigaltstack 224
-__SYSCALL(224, sys_sigaltstack, 2)
-#define __NR_rt_sigreturn 225
-__SYSCALL(225, xtensa_rt_sigreturn, 1)
-#define __NR_rt_sigaction 226
-__SYSCALL(226, sys_rt_sigaction, 4)
-#define __NR_rt_sigprocmask 227
-__SYSCALL(227, sys_rt_sigprocmask, 4)
-#define __NR_rt_sigpending 228
-__SYSCALL(228, sys_rt_sigpending, 2)
-#define __NR_rt_sigtimedwait 229
-__SYSCALL(229, sys_rt_sigtimedwait, 4)
-#define __NR_rt_sigqueueinfo 230
-__SYSCALL(230, sys_rt_sigqueueinfo, 3)
-#define __NR_rt_sigsuspend 231
-__SYSCALL(231, sys_rt_sigsuspend, 2)
-
-/* Message */
-
-#define __NR_mq_open 232
-__SYSCALL(232, sys_mq_open, 4)
-#define __NR_mq_unlink 233
-__SYSCALL(233, sys_mq_unlink, 1)
-#define __NR_mq_timedsend 234
-__SYSCALL(234, sys_mq_timedsend, 5)
-#define __NR_mq_timedreceive 235
-__SYSCALL(235, sys_mq_timedreceive, 5)
-#define __NR_mq_notify 236
-__SYSCALL(236, sys_mq_notify, 2)
-#define __NR_mq_getsetattr 237
-__SYSCALL(237, sys_mq_getsetattr, 3)
-#define __NR_available238 238
-__SYSCALL(238, sys_ni_syscall, 0)
-
-/* IO */
-
-#define __NR_io_setup 239
-__SYSCALL(239, sys_io_setup, 2)
-#define __NR_io_destroy 240
-__SYSCALL(240, sys_io_destroy, 1)
-#define __NR_io_submit 241
-__SYSCALL(241, sys_io_submit, 3)
-#define __NR_io_getevents 242
-__SYSCALL(242, sys_io_getevents, 5)
-#define __NR_io_cancel 243
-__SYSCALL(243, sys_io_cancel, 3)
-#define __NR_clock_settime 244
-__SYSCALL(244, sys_clock_settime, 2)
-#define __NR_clock_gettime 245
-__SYSCALL(245, sys_clock_gettime, 2)
-#define __NR_clock_getres 246
-__SYSCALL(246, sys_clock_getres, 2)
-#define __NR_clock_nanosleep 247
-__SYSCALL(247, sys_clock_nanosleep, 4)
-
-/* Timer */
-
-#define __NR_timer_create 248
-__SYSCALL(248, sys_timer_create, 3)
-#define __NR_timer_delete 249
-__SYSCALL(249, sys_timer_delete, 1)
-#define __NR_timer_settime 250
-__SYSCALL(250, sys_timer_settime, 4)
-#define __NR_timer_gettime 251
-__SYSCALL(251, sys_timer_gettime, 2)
-#define __NR_timer_getoverrun 252
-__SYSCALL(252, sys_timer_getoverrun, 1)
-
-/* System */
-
-#define __NR_reserved253 253
-__SYSCALL(253, sys_ni_syscall, 0)
-#define __NR_lookup_dcookie 254
-__SYSCALL(254, sys_lookup_dcookie, 4)
-#define __NR_available255 255
-__SYSCALL(255, sys_ni_syscall, 0)
-#define __NR_add_key 256
-__SYSCALL(256, sys_add_key, 5)
-#define __NR_request_key 257
-__SYSCALL(257, sys_request_key, 5)
-#define __NR_keyctl 258
-__SYSCALL(258, sys_keyctl, 5)
-#define __NR_available259 259
-__SYSCALL(259, sys_ni_syscall, 0)
-
-
-#define __NR_readahead 260
-__SYSCALL(260, sys_readahead, 5)
-#define __NR_remap_file_pages 261
-__SYSCALL(261, sys_remap_file_pages, 5)
-#define __NR_migrate_pages 262
-__SYSCALL(262, sys_migrate_pages, 0)
-#define __NR_mbind 263
-__SYSCALL(263, sys_mbind, 6)
-#define __NR_get_mempolicy 264
-__SYSCALL(264, sys_get_mempolicy, 5)
-#define __NR_set_mempolicy 265
-__SYSCALL(265, sys_set_mempolicy, 3)
-#define __NR_unshare 266
-__SYSCALL(266, sys_unshare, 1)
-#define __NR_move_pages 267
-__SYSCALL(267, sys_move_pages, 0)
-#define __NR_splice 268
-__SYSCALL(268, sys_splice, 0)
-#define __NR_tee 269
-__SYSCALL(269, sys_tee, 0)
-#define __NR_vmsplice 270
-__SYSCALL(270, sys_vmsplice, 0)
-#define __NR_available271 271
-__SYSCALL(271, sys_ni_syscall, 0)
-
-#define __NR_pselect6 272
-__SYSCALL(272, sys_pselect6, 0)
-#define __NR_ppoll 273
-__SYSCALL(273, sys_ppoll, 0)
-#define __NR_epoll_pwait 274
-__SYSCALL(274, sys_epoll_pwait, 0)
-#define __NR_epoll_create1 275
-__SYSCALL(275, sys_epoll_create1, 1)
-
-#define __NR_inotify_init 276
-__SYSCALL(276, sys_inotify_init, 0)
-#define __NR_inotify_add_watch 277
-__SYSCALL(277, sys_inotify_add_watch, 3)
-#define __NR_inotify_rm_watch 278
-__SYSCALL(278, sys_inotify_rm_watch, 2)
-#define __NR_inotify_init1 279
-__SYSCALL(279, sys_inotify_init1, 1)
-
-#define __NR_getcpu 280
-__SYSCALL(280, sys_getcpu, 0)
-#define __NR_kexec_load 281
-__SYSCALL(281, sys_ni_syscall, 0)
-
-#define __NR_ioprio_set 282
-__SYSCALL(282, sys_ioprio_set, 2)
-#define __NR_ioprio_get 283
-__SYSCALL(283, sys_ioprio_get, 3)
-
-#define __NR_set_robust_list 284
-__SYSCALL(284, sys_set_robust_list, 3)
-#define __NR_get_robust_list 285
-__SYSCALL(285, sys_get_robust_list, 3)
-#define __NR_available286 286
-__SYSCALL(286, sys_ni_syscall, 0)
-#define __NR_available287 287
-__SYSCALL(287, sys_ni_syscall, 0)
-
-/* Relative File Operations */
-
-#define __NR_openat 288
-__SYSCALL(288, sys_openat, 4)
-#define __NR_mkdirat 289
-__SYSCALL(289, sys_mkdirat, 3)
-#define __NR_mknodat 290
-__SYSCALL(290, sys_mknodat, 4)
-#define __NR_unlinkat 291
-__SYSCALL(291, sys_unlinkat, 3)
-#define __NR_renameat 292
-__SYSCALL(292, sys_renameat, 4)
-#define __NR_linkat 293
-__SYSCALL(293, sys_linkat, 5)
-#define __NR_symlinkat 294
-__SYSCALL(294, sys_symlinkat, 3)
-#define __NR_readlinkat 295
-__SYSCALL(295, sys_readlinkat, 4)
-#define __NR_utimensat 296
-__SYSCALL(296, sys_utimensat, 0)
-#define __NR_fchownat 297
-__SYSCALL(297, sys_fchownat, 5)
-#define __NR_futimesat 298
-__SYSCALL(298, sys_futimesat, 4)
-#define __NR_fstatat64 299
-__SYSCALL(299, sys_fstatat64, 0)
-#define __NR_fchmodat 300
-__SYSCALL(300, sys_fchmodat, 4)
-#define __NR_faccessat 301
-__SYSCALL(301, sys_faccessat, 4)
-#define __NR_available302 302
-__SYSCALL(302, sys_ni_syscall, 0)
-#define __NR_available303 303
-__SYSCALL(303, sys_ni_syscall, 0)
-
-#define __NR_signalfd 304
-__SYSCALL(304, sys_signalfd, 3)
-/* 305 was __NR_timerfd */
-__SYSCALL(305, sys_ni_syscall, 0)
-#define __NR_eventfd 306
-__SYSCALL(306, sys_eventfd, 1)
-#define __NR_recvmmsg 307
-__SYSCALL(307, sys_recvmmsg, 5)
-
-#define __NR_setns 308
-__SYSCALL(308, sys_setns, 2)
-#define __NR_signalfd4 309
-__SYSCALL(309, sys_signalfd4, 4)
-#define __NR_dup3 310
-__SYSCALL(310, sys_dup3, 3)
-#define __NR_pipe2 311
-__SYSCALL(311, sys_pipe2, 2)
-
-#define __NR_timerfd_create 312
-__SYSCALL(312, sys_timerfd_create, 2)
-#define __NR_timerfd_settime 313
-__SYSCALL(313, sys_timerfd_settime, 4)
-#define __NR_timerfd_gettime 314
-__SYSCALL(314, sys_timerfd_gettime, 2)
-#define __NR_available315 315
-__SYSCALL(315, sys_ni_syscall, 0)
-
-#define __NR_eventfd2 316
-__SYSCALL(316, sys_eventfd2, 2)
-#define __NR_preadv 317
-__SYSCALL(317, sys_preadv, 5)
-#define __NR_pwritev 318
-__SYSCALL(318, sys_pwritev, 5)
-#define __NR_available319 319
-__SYSCALL(319, sys_ni_syscall, 0)
-
-#define __NR_fanotify_init 320
-__SYSCALL(320, sys_fanotify_init, 2)
-#define __NR_fanotify_mark 321
-__SYSCALL(321, sys_fanotify_mark, 6)
-#define __NR_process_vm_readv 322
-__SYSCALL(322, sys_process_vm_readv, 6)
-#define __NR_process_vm_writev 323
-__SYSCALL(323, sys_process_vm_writev, 6)
-
-#define __NR_name_to_handle_at 324
-__SYSCALL(324, sys_name_to_handle_at, 5)
-#define __NR_open_by_handle_at 325
-__SYSCALL(325, sys_open_by_handle_at, 3)
-#define __NR_sync_file_range2 326
-__SYSCALL(326, sys_sync_file_range2, 6)
-#define __NR_perf_event_open 327
-__SYSCALL(327, sys_perf_event_open, 5)
-
-#define __NR_rt_tgsigqueueinfo 328
-__SYSCALL(328, sys_rt_tgsigqueueinfo, 4)
-#define __NR_clock_adjtime 329
-__SYSCALL(329, sys_clock_adjtime, 2)
-#define __NR_prlimit64 330
-__SYSCALL(330, sys_prlimit64, 4)
-#define __NR_kcmp 331
-__SYSCALL(331, sys_kcmp, 5)
-
-#define __NR_finit_module 332
-__SYSCALL(332, sys_finit_module, 3)
-
-#define __NR_accept4 333
-__SYSCALL(333, sys_accept4, 4)
-
-#define __NR_sched_setattr 334
-__SYSCALL(334, sys_sched_setattr, 2)
-#define __NR_sched_getattr 335
-__SYSCALL(335, sys_sched_getattr, 3)
-
-#define __NR_renameat2 336
-__SYSCALL(336, sys_renameat2, 5)
-
-#define __NR_seccomp 337
-__SYSCALL(337, sys_seccomp, 3)
-#define __NR_getrandom 338
-__SYSCALL(338, sys_getrandom, 3)
-#define __NR_memfd_create 339
-__SYSCALL(339, sys_memfd_create, 2)
-#define __NR_bpf 340
-__SYSCALL(340, sys_bpf, 3)
-#define __NR_execveat 341
-__SYSCALL(341, sys_execveat, 5)
-
-#define __NR_userfaultfd 342
-__SYSCALL(342, sys_userfaultfd, 1)
-#define __NR_membarrier 343
-__SYSCALL(343, sys_membarrier, 2)
-#define __NR_mlock2 344
-__SYSCALL(344, sys_mlock2, 3)
-#define __NR_copy_file_range 345
-__SYSCALL(345, sys_copy_file_range, 6)
-#define __NR_preadv2 346
-__SYSCALL(346, sys_preadv2, 6)
-#define __NR_pwritev2 347
-__SYSCALL(347, sys_pwritev2, 6)
-
-#define __NR_pkey_mprotect 348
-__SYSCALL(348, sys_pkey_mprotect, 4)
-#define __NR_pkey_alloc 349
-__SYSCALL(349, sys_pkey_alloc, 2)
-#define __NR_pkey_free 350
-__SYSCALL(350, sys_pkey_free, 1)
-
-#define __NR_statx 351
-__SYSCALL(351, sys_statx, 5)
-
-#ifdef __KERNEL__
-#define __NR_syscalls 352
-#endif
/*
* sysxtensa syscall handler
@@ -797,9 +21,6 @@
#define SYS_XTENSA_ATOMIC_EXG_ADD 2 /* exchange memory and add */
#define SYS_XTENSA_ATOMIC_ADD 3 /* add to memory */
#define SYS_XTENSA_ATOMIC_CMP_SWP 4 /* compare and swap */
-
#define SYS_XTENSA_COUNT 5 /* count */
-#undef __SYSCALL
-
#endif /* _UAPI_XTENSA_UNISTD_H */
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 8201748..b0400e4 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -33,8 +33,9 @@
syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
[0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall,
-#define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
-#include <uapi/asm/unistd.h>
+#define __SYSCALL(nr, entry, nargs)[nr] = (syscall_t)entry,
+#include <asm/syscall_table.h>
+#undef __SYSCALL
};
#define COLOUR_ALIGN(addr, pgoff) \
--
1.9.1
Hi Firoz,
I have one more question:
On Tue, Nov 13, 2018 at 2:20 AM Firoz Khan <[email protected]> wrote:
> The 2nd option will be the recommended one. For that, I
> added the __NR_syscalls macro in uapi/asm/unistd.h along
> with __NR_syscall_count asm/unistd.h. The macro __NR_sys-
> calls also added for making the name convention same across
> all architecture. While __NR_syscalls isn't strictly part
> of the uapi, having it as part of the generated header to
> simplifies the implementation. We also need to enclose
> this macro with #ifdef __KERNEL__ to avoid side effects.
Looking at the include/uapi/asm-generic/unistd.h I see that
__NR_syscalls is not guarded by the #ifdef __KERNEL__,
why should it be guarded for xtensa?
If we remove __NR_syscall_count from the uapi header I'd
suggest dropping it completely and switching its two current
users to __NR_syscalls.
--
Thanks.
-- Max
Hi Firoz,
On Tue, Nov 13, 2018 at 2:19 AM Firoz Khan <[email protected]> wrote:
[...]
> Firoz Khan (3):
> xtensa: add __NR_syscalls along with __NR_syscall_count
> xtensa: add system call table generation support
> xtensa: generate uapi header and syscall table header files
What's your plan for submission of this series? Are you going to
submit it with other similar series in a common tree, or shall I take
it into the xtensa tree?
--
Thanks.
-- Max
Hi Max,
On Wed, 14 Nov 2018 at 05:23, Max Filippov <[email protected]> wrote:
>
> Hi Firoz,
>
> On Tue, Nov 13, 2018 at 2:19 AM Firoz Khan <[email protected]> wrote:
> [...]
> > Firoz Khan (3):
> > xtensa: add __NR_syscalls along with __NR_syscall_count
> > xtensa: add system call table generation support
> > xtensa: generate uapi header and syscall table header files
>
> What's your plan for submission of this series? Are you going to
> submit it with other similar series in a common tree, or shall I take
> it into the xtensa tree?
I prefer the second option.
Thanks
Firoz
>
> --
> Thanks.
> -- Max
Hi Max,
On Wed, 14 Nov 2018 at 05:19, Max Filippov <[email protected]> wrote:
>
> Hi Firoz,
>
> I have one more question:
>
> On Tue, Nov 13, 2018 at 2:20 AM Firoz Khan <[email protected]> wrote:
> > The 2nd option will be the recommended one. For that, I
> > added the __NR_syscalls macro in uapi/asm/unistd.h along
> > with __NR_syscall_count asm/unistd.h. The macro __NR_sys-
> > calls also added for making the name convention same across
> > all architecture. While __NR_syscalls isn't strictly part
> > of the uapi, having it as part of the generated header to
> > simplifies the implementation. We also need to enclose
> > this macro with #ifdef __KERNEL__ to avoid side effects.
>
> Looking at the include/uapi/asm-generic/unistd.h I see that
> __NR_syscalls is not guarded by the #ifdef __KERNEL__,
> why should it be guarded for xtensa?
__NR_syscalls for kernel. So this macro is present in asm/unistd.h
rather than uapi/asm/unistd.h. As I mentioned in the patch, it would
be better to keep in uapi/asm/unistd.h to count the number of syscalls.
But this will create some side effect. So I was guarded with __KERNEL__.
In order to come up with common implementation, I kept this for all
architecture.
>
> If we remove __NR_syscall_count from the uapi header I'd
> suggest dropping it completely and switching its two current
> users to __NR_syscalls.
I'm not removing the __NR_syscall_count macro; just place it
in asm/unistd.h file for the above reason.
FYI, I made sure that the kernel will build with my patch. I would
appreciate if you can perform the boot test on the actual platform.
Thanks
Firoz
>
> --
> Thanks.
> -- Max
On Thu, Nov 15, 2018 at 2:05 AM Firoz Khan <[email protected]> wrote:
> On Wed, 14 Nov 2018 at 05:19, Max Filippov <[email protected]> wrote:
> > If we remove __NR_syscall_count from the uapi header I'd
> > suggest dropping it completely and switching its two current
> > users to __NR_syscalls.
>
> I'm not removing the __NR_syscall_count macro; just place it
> in asm/unistd.h file for the above reason.
Ok, I'll apply this series to the xtensa tree and make my cleanups
on top of it.
> FYI, I made sure that the kernel will build with my patch. I would
> appreciate if you can perform the boot test on the actual platform.
I did a simple boot testing on a range of configurations, it works.
I'll also run LTP a bit later.
--
Thanks.
-- Max
On Thu, Nov 15, 2018 at 1:57 AM Firoz Khan <[email protected]> wrote:
> On Wed, 14 Nov 2018 at 05:23, Max Filippov <[email protected]> wrote:
> > On Tue, Nov 13, 2018 at 2:19 AM Firoz Khan <[email protected]> wrote:
> > [...]
> > > Firoz Khan (3):
> > > xtensa: add __NR_syscalls along with __NR_syscall_count
> > > xtensa: add system call table generation support
> > > xtensa: generate uapi header and syscall table header files
> >
> > What's your plan for submission of this series? Are you going to
> > submit it with other similar series in a common tree, or shall I take
> > it into the xtensa tree?
>
> I prefer the second option.
Ok, I've applied the series to my xtensa tree, it should appear in the next
linux-next.
--
Thanks.
-- Max
Hi Max,
On Fri, 16 Nov 2018 at 01:46, Max Filippov <[email protected]> wrote:
>
> On Thu, Nov 15, 2018 at 1:57 AM Firoz Khan <[email protected]> wrote:
> > On Wed, 14 Nov 2018 at 05:23, Max Filippov <[email protected]> wrote:
> > > On Tue, Nov 13, 2018 at 2:19 AM Firoz Khan <[email protected]> wrote:
> > > [...]
> > > > Firoz Khan (3):
> > > > xtensa: add __NR_syscalls along with __NR_syscall_count
> > > > xtensa: add system call table generation support
> > > > xtensa: generate uapi header and syscall table header files
> > >
> > > What's your plan for submission of this series? Are you going to
> > > submit it with other similar series in a common tree, or shall I take
> > > it into the xtensa tree?
> >
> > I prefer the second option.
>
> Ok, I've applied the series to my xtensa tree, it should appear in the next
> linux-next.
Sounds good. Thank you.
Firoz
>
> --
> Thanks.
> -- Max
Hi Max,
On Fri, 16 Nov 2018 at 01:15, Max Filippov <[email protected]> wrote:
>
> On Thu, Nov 15, 2018 at 2:05 AM Firoz Khan <[email protected]> wrote:
> > On Wed, 14 Nov 2018 at 05:19, Max Filippov <[email protected]> wrote:
> > > If we remove __NR_syscall_count from the uapi header I'd
> > > suggest dropping it completely and switching its two current
> > > users to __NR_syscalls.
> >
> > I'm not removing the __NR_syscall_count macro; just place it
> > in asm/unistd.h file for the above reason.
>
> Ok, I'll apply this series to the xtensa tree and make my cleanups
> on top of it.
>
> > FYI, I made sure that the kernel will build with my patch. I would
> > appreciate if you can perform the boot test on the actual platform.
>
> I did a simple boot testing on a range of configurations, it works.
> I'll also run LTP a bit later.
Great, thanks!
Firoz
>
> --
> Thanks.
> -- Max