diff options
| -rw-r--r-- | sys/include/sys/syscall.h | 1 | ||||
| -rw-r--r-- | sys/include/sys/time.h | 6 | ||||
| -rw-r--r-- | sys/kern/kern_syscall.c | 2 | ||||
| -rw-r--r-- | sys/kern/kern_time.c | 76 |
4 files changed, 85 insertions, 0 deletions
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h index 37e2286..6d9dae6 100644 --- a/sys/include/sys/syscall.h +++ b/sys/include/sys/syscall.h @@ -52,6 +52,7 @@ #define SYS_munmap 11 #define SYS_access 12 #define SYS_lseek 13 +#define SYS_sleep 14 #if defined(_KERNEL) /* Syscall return value and arg type */ diff --git a/sys/include/sys/time.h b/sys/include/sys/time.h index fb98b9d..8563fc7 100644 --- a/sys/include/sys/time.h +++ b/sys/include/sys/time.h @@ -31,6 +31,9 @@ #define _SYS_TIME_H_ #include <sys/types.h> +#if defined(_KERNEL) +#include <sys/syscall.h> +#endif /* _KERNEL */ struct timeval { time_t tv_sec; @@ -48,4 +51,7 @@ struct date { uint8_t hour; }; +#if defined(_KERNEL) +scret_t sys_sleep(struct syscall_args *scargs); +#endif #endif /* !_SYS_TIME_H_ */ diff --git a/sys/kern/kern_syscall.c b/sys/kern/kern_syscall.c index aaa5d04..b1deb7a 100644 --- a/sys/kern/kern_syscall.c +++ b/sys/kern/kern_syscall.c @@ -31,6 +31,7 @@ #include <sys/sysctl.h> #include <sys/reboot.h> #include <sys/types.h> +#include <sys/time.h> #include <sys/mman.h> #include <sys/proc.h> #include <sys/vfs.h> @@ -50,6 +51,7 @@ scret_t(*g_sctab[])(struct syscall_args *) = { sys_munmap, /* SYS_munap */ sys_access, /* SYS_access */ sys_lseek, /* SYS_lseek */ + sys_sleep, /* SYS_sleep */ }; const size_t MAX_SYSCALLS = NELEM(g_sctab); diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c new file mode 100644 index 0000000..102648c --- /dev/null +++ b/sys/kern/kern_time.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/syscall.h> +#include <sys/systm.h> +#include <sys/errno.h> +#include <sys/cdefs.h> +#include <dev/timer.h> +#include <machine/cdefs.h> + +/* + * arg0: Timespec + * arg1: Remaining timeval + */ +scret_t +sys_sleep(struct syscall_args *scargs) +{ + struct timespec ts; + struct timer tmr; + size_t timeout_msec; + tmrr_status_t status; + int error; + + error = copyin((void *)scargs->arg0, &ts, sizeof(ts)); + if (error < 0) { + return error; + } + + if (ts.tv_nsec >= 1000000000) { + return -EINVAL; + } + + status = req_timer(TIMER_GP, &tmr); + if (__unlikely(status != TMRR_SUCCESS)) { + return -ENOTSUP; + } + if (__unlikely(tmr.msleep == NULL)) { + return -ENOTSUP; + } + + timeout_msec = ts.tv_nsec / 1000000; + timeout_msec += ts.tv_sec * 1000; + + md_inton(); + tmr.msleep(timeout_msec); + md_intoff(); + return 0; +} |