sys/linux: add reboot/swapon/swapoff/sethostname/setdomainname syscalls

2 files changed, 70 insertions, 13 deletions

diff --git a/sys/linux/sys.txt b/sys/linux/sys.txt
index 7f7db60a1..5656a890f 100644
--- a/sys/linux/sys.txt
+++ b/sys/linux/sys.txt
@@ -64,6 +64,8 @@ include <fs/smb/client/cifsglob.h>
 include <xen/interface/io/xs_wire.h>
 include <uapi/linux/prctl.h>
 include <asm/prctl.h>
+include <linux/reboot.h>
+include <linux/swap.h>
 
 resource fd[int32]: -1
 resource fd_dir[fd]: AT_FDCWD
@@ -570,6 +572,56 @@ sched_setattr(pid pid, attr ptr[in, sched_attr], flags const[0])
 sched_yield()
 getrandom(buf buffer[out], len len[buf], flags flags[getrandom_flags])
 
+reboot(magic1 const[LINUX_REBOOT_MAGIC1], magic2 const[LINUX_REBOOT_MAGIC2], cmd flags[reboot_commands], arg const[0]) (snapshot)
+
+reboot_commands = LINUX_REBOOT_CMD_RESTART, LINUX_REBOOT_CMD_HALT, LINUX_REBOOT_CMD_CAD_ON, LINUX_REBOOT_CMD_CAD_OFF, LINUX_REBOOT_CMD_POWER_OFF, LINUX_REBOOT_CMD_RESTART2, LINUX_REBOOT_CMD_SW_SUSPEND, LINUX_REBOOT_CMD_KEXEC
+
+swapon(specialfile ptr[in, filename], swap_flags flags[swap_flags]) (snapshot)
+swapoff(specialfile ptr[in, filename]) (snapshot)
+
+swap_flags = SWAP_FLAG_PRIO_MASK, SWAP_FLAG_PREFER, SWAP_FLAG_DISCARD, SWAP_FLAG_DISCARD_ONCE, SWAP_FLAG_DISCARD_PAGES
+
+sethostname(name ptr[in, array[int8]], len bytesize[name]) (snapshot)
+setdomainname(name ptr[in, array[int8]], len bytesize[name]) (snapshot)
+
+gettimeofday(tv ptr[out, timeval], tz ptr[out, timezone])
+settimeofday(tv ptr[out, timeval], tz ptr[out, timezone]) (snapshot)
+adjtimex(txc_p ptr[in, __kernel_timex]) (snapshot)
+
+timezone {
+	tz_minuteswest	int32
+	tz_dsttime	int32
+}
+
+__kernel_timex {
+	modes		flags[adjtimex_modes, int32]
+	pad0		const[0, int32]
+	offset		int64
+	freq		int64
+	maxerror	int64
+	esterror	int64
+	status		int32
+	pad1		const[0, int32]
+	constant	int64
+	precision	int64
+	tolerance	int64
+	int		timeval
+	tick		int64
+	ppsfreq		int64
+	jitter		int64
+	shift		int32
+	pad2		const[0, int32]
+	stabil		int64
+	jitcnt		int64
+	calcnt		int64
+	errcnt		int64
+	stbcnt		int64
+	tai		int32
+	pad3		array[const[0, int32], 11]
+}
+
+adjtimex_modes = ADJ_OFFSET, ADJ_FREQUENCY, ADJ_MAXERROR, ADJ_ESTERROR, ADJ_STATUS, ADJ_TIMECONST, ADJ_TAI, ADJ_SETOFFSET, ADJ_MICRO, ADJ_NANO, ADJ_TICK
+
 membarrier(cmd flags[membarrier_cmd], flags const[0])
 
 membarrier_cmd = MEMBARRIER_CMD_GLOBAL, MEMBARRIER_CMD_GLOBAL_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE, MEMBARRIER_CMD_QUERY, MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED, MEMBARRIER_CMD_SHARED
@@ -1390,11 +1442,6 @@ clone3_flags = CLONE_CLEAR_SIGHAND, CLONE_INTO_CGROUP, clone_flags
 ptrace_peeksiginfo_flags = PTRACE_PEEKSIGINFO_SHARED
 close_range_flags = CLOSE_RANGE_UNSHARE
 
-# adjtimex flags.
-_ = STA_PLL, STA_PPSFREQ, STA_PPSTIME, STA_FLL, STA_INS, STA_DEL, STA_UNSYNC, STA_FREQHOLD, STA_PPSSIGNAL, STA_PPSJITTER, STA_PPSWANDER, STA_PPSERROR, STA_CLOCKERR, STA_NANO, STA_MODE, STA_CLK, STA_RONLY
-# clock_adjtime modes
-_ = ADJ_OFFSET, ADJ_FREQUENCY, ADJ_MAXERROR, ADJ_ESTERROR, ADJ_STATUS, ADJ_TIMECONST, ADJ_TAI, ADJ_SETOFFSET, ADJ_MICRO, ADJ_NANO, ADJ_TICK, ADJ_OFFSET_SINGLESHOT
-
 # Consts for target.SpecialFileLenghts.
 _ = SMB_PATH_MAX, XT_CGROUP_PATH_MAX, XENSTORE_REL_PATH_MAX
 
@@ -1408,18 +1455,10 @@ define KCOV_REMOTE_ENABLE	1075340134
 # umask
 # vhangup
 # _sysctl
-# adjtimex
-# swapon
-# swapoff
 # nfsservctl
 # getcpu
 
 # Probably no sense in calling these.
 # Also affect system-wide state, so not reproducible anyway.
-# gettimeofday
-# settimeofday
-# reboot
-# sethostname
-# setdomainname
 # sched_get_priority_max
 # sched_get_priority_min
diff --git a/sys/linux/sys.txt.const b/sys/linux/sys.txt.const
index 0fd1acc76..bce3625fb 100644
--- a/sys/linux/sys.txt.const
+++ b/sys/linux/sys.txt.const
@@ -229,6 +229,16 @@ KEXEC_ARCH_SH = 2752512
 KEXEC_ARCH_X86_64 = 4063232
 KEXEC_ON_CRASH = 1
 KEXEC_PRESERVE_CONTEXT = 2
+LINUX_REBOOT_CMD_CAD_OFF = 0
+LINUX_REBOOT_CMD_CAD_ON = 2309737967
+LINUX_REBOOT_CMD_HALT = 3454992675
+LINUX_REBOOT_CMD_KEXEC = 1163412803
+LINUX_REBOOT_CMD_POWER_OFF = 1126301404
+LINUX_REBOOT_CMD_RESTART = 19088743
+LINUX_REBOOT_CMD_RESTART2 = 2712847316
+LINUX_REBOOT_CMD_SW_SUSPEND = 3489725666
+LINUX_REBOOT_MAGIC1 = 4276215469
+LINUX_REBOOT_MAGIC2 = 672274793
 LOCK_EX = 2
 LOCK_NB = 4
 LOCK_SH = 1
@@ -566,6 +576,11 @@ STA_PPSWANDER = 1024
 STA_RONLY = 65280
 STA_UNSYNC = 64
 STICKY_TIMEOUTS = 67108864
+SWAP_FLAG_DISCARD = 65536
+SWAP_FLAG_DISCARD_ONCE = 131072
+SWAP_FLAG_DISCARD_PAGES = 262144
+SWAP_FLAG_PREFER = 32768
+SWAP_FLAG_PRIO_MASK = 32767
 SYNC_FILE_RANGE_WAIT_AFTER = 4
 SYNC_FILE_RANGE_WAIT_BEFORE = 1
 SYNC_FILE_RANGE_WRITE = 2
@@ -777,6 +792,7 @@ __NR_readahead = 213, 386:arm:225, amd64:187, mips64le:5179, ppc64le:191, s390x:
 __NR_readlink = 85, amd64:89, arm64:riscv64:???, mips64le:5087
 __NR_readlinkat = 78, 386:305, amd64:267, arm:332, mips64le:5257, ppc64le:296, s390x:298
 __NR_readv = 145, amd64:19, arm64:riscv64:65, mips64le:5018
+__NR_reboot = 88, amd64:169, arm64:riscv64:142, mips64le:5164
 __NR_remap_file_pages = 234, 386:257, amd64:216, arm:253, mips64le:5210, ppc64le:239, s390x:267
 __NR_rename = 38, amd64:82, arm64:riscv64:???, mips64le:5080
 __NR_renameat = 386:302, amd64:264, arm:329, arm64:38, mips64le:5254, ppc64le:293, riscv64:???, s390x:295
@@ -831,6 +847,8 @@ __NR_stat = 106, amd64:4, arm64:riscv64:???, mips64le:5004
 __NR_stat64 = 195, amd64:arm64:mips64le:ppc64le:riscv64:s390x:???
 __NR_statfs = 99, amd64:137, arm64:riscv64:43, mips64le:5134
 __NR_statx = 291, 386:ppc64le:383, amd64:332, arm:397, mips64le:5326, s390x:379
+__NR_swapoff = 115, amd64:168, arm64:riscv64:225, mips64le:5163
+__NR_swapon = 87, amd64:167, arm64:riscv64:224, mips64le:5162
 __NR_symlink = 83, amd64:88, arm64:riscv64:???, mips64le:5086
 __NR_symlinkat = 36, 386:304, amd64:266, arm:331, mips64le:5256, ppc64le:295, s390x:297
 __NR_sync = 36, amd64:162, arm64:riscv64:81, mips64le:5157