diff options
| -rw-r--r-- | lib/libc/src/hyra/mmap.c | 47 | ||||
| -rw-r--r-- | sys/include/sys/syscall.h | 2 | ||||
| -rw-r--r-- | sys/kern/kern_syscall.c | 3 |
3 files changed, 52 insertions, 0 deletions
diff --git a/lib/libc/src/hyra/mmap.c b/lib/libc/src/hyra/mmap.c new file mode 100644 index 0000000..6870c75 --- /dev/null +++ b/lib/libc/src/hyra/mmap.c @@ -0,0 +1,47 @@ +/* + * 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/mman.h> +#include <sys/types.h> + +void * +mmap(void *addr, size_t len, int prot, int flags, + int fildes, off_t off) + +{ + return (void *)syscall(SYS_mmap, (uintptr_t)addr, len, + prot, flags, fildes, off); +} + +int +munmap(void *addr, size_t len) +{ + return syscall(SYS_munmap, (uintptr_t)addr, len); +} diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h index 2223a96..dad2e00 100644 --- a/sys/include/sys/syscall.h +++ b/sys/include/sys/syscall.h @@ -48,6 +48,8 @@ #define SYS_write 7 #define SYS_spawn 8 #define SYS_reboot 9 +#define SYS_mmap 10 +#define SYS_munmap 11 #if defined(_KERNEL) /* Syscall return value and arg type */ diff --git a/sys/kern/kern_syscall.c b/sys/kern/kern_syscall.c index 249a04a..8a66f0e 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/mman.h> #include <sys/proc.h> #include <sys/vfs.h> @@ -45,6 +46,8 @@ scret_t(*g_sctab[])(struct syscall_args *) = { sys_write, /* SYS_write */ sys_spawn, /* SYS_spawn */ sys_reboot, /* SYS_reboot */ + sys_mmap, /* SYS_mmap */ + sys_munmap, /* SYS_munap */ }; const size_t MAX_SYSCALLS = NELEM(g_sctab); |