diff options
| -rw-r--r-- | sys/include/sys/krq.h | 40 | ||||
| -rw-r--r-- | sys/include/sys/syscall.h | 1 | ||||
| -rw-r--r-- | sys/kern/init_main.c | 1 | ||||
| -rw-r--r-- | sys/kern/kern_krq.c | 61 | ||||
| -rw-r--r-- | sys/kern/kern_syscall.c | 2 |
5 files changed, 104 insertions, 1 deletions
diff --git a/sys/include/sys/krq.h b/sys/include/sys/krq.h new file mode 100644 index 0000000..9cb6ec6 --- /dev/null +++ b/sys/include/sys/krq.h @@ -0,0 +1,40 @@ +/* + * 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. + */ + +#ifndef _SYS_KRQ_H_ +#define _SYS_KRQ_H_ + +#include <sys/syscall.h> + +#if defined(_KERNEL) +scret_t sys_inject(struct syscall_args *scargs); +#else +int inject(const char *path); +#endif /* _KERNEL */ +#endif /* !_SYS_KRQ_H_ */ diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h index 6d9dae6..08bd989 100644 --- a/sys/include/sys/syscall.h +++ b/sys/include/sys/syscall.h @@ -53,6 +53,7 @@ #define SYS_access 12 #define SYS_lseek 13 #define SYS_sleep 14 +#define SYS_inject 15 #if defined(_KERNEL) /* Syscall return value and arg type */ diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c index dfb058a..6b3e09b 100644 --- a/sys/kern/init_main.c +++ b/sys/kern/init_main.c @@ -128,7 +128,6 @@ main(void) * and here we go! */ mp_bootstrap_aps(&g_bsp_ci); - DRIVERS_SCHED(); sched_enter(); __builtin_unreachable(); } diff --git a/sys/kern/kern_krq.c b/sys/kern/kern_krq.c new file mode 100644 index 0000000..c12a98c --- /dev/null +++ b/sys/kern/kern_krq.c @@ -0,0 +1,61 @@ +/* + * 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/syscall.h> +#include <sys/krq.h> +#include <sys/errno.h> +#include <sys/spinlock.h> +#include <sys/driver.h> +#include <sys/syslog.h> + +static struct spinlock krq_lock = {0}; + +/* + * Load a kernel runtime quantum (KRQ) + * + * @arg0: path + * + * XXX: If the 'path' argument is NULL, all deferrable + * drivers are loaded. + * + * TODO: Handle non-null paths where a completly seperate + * module/krq can be loaded. + */ +scret_t +sys_inject(struct syscall_args *scargs) +{ + if (scargs->arg0 != 0) { + return -EINVAL; + } + + spinlock_acquire(&krq_lock); + DRIVERS_SCHED(); + spinlock_release(&krq_lock); + return 0; +} diff --git a/sys/kern/kern_syscall.c b/sys/kern/kern_syscall.c index b1deb7a..292fa56 100644 --- a/sys/kern/kern_syscall.c +++ b/sys/kern/kern_syscall.c @@ -35,6 +35,7 @@ #include <sys/mman.h> #include <sys/proc.h> #include <sys/vfs.h> +#include <sys/krq.h> scret_t(*g_sctab[])(struct syscall_args *) = { NULL, /* SYS_none */ @@ -52,6 +53,7 @@ scret_t(*g_sctab[])(struct syscall_args *) = { sys_access, /* SYS_access */ sys_lseek, /* SYS_lseek */ sys_sleep, /* SYS_sleep */ + sys_inject, /* SYS_inject */ }; const size_t MAX_SYSCALLS = NELEM(g_sctab); |