Rename libmsl to libsystem

libsystem/system.h

@@ -0,0 +1,80 @@
+#ifndef _LIBMSL_M_SYSTEM_H
+#define _LIBMSL_M_SYSTEM_H
+
+#include <m/fs_desc_buffer.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#if defined(__x86_64__)
+#define PAGE_SIZE 4096
+#endif
+
+#define MAP_PRESENT (1 << 0)
+#define MAP_RW      (1 << 1)
+#define MAP_USER    (1 << 2)
+#define MAP_FLAGS   (MAP_PRESENT | MAP_USER)
+
+/* Quit the current running process */
+int quit (void);
+
+/* Test syscall */
+int test (char c);
+
+/* Give the CPU to another process */
+int sched (void);
+
+/* map memory into this procgrou[ */
+void* map (uintptr_t vaddr, size_t pages, uint32_t flags);
+
+/* unmap memory from this procgrou[ */
+int unmap (uintptr_t vaddr, size_t pages);
+
+/* Clone process with argument and entry point */
+int clone (uintptr_t vstack_top, void (*entry) (void), void* argument_ptr);
+
+/* Create a mutex */
+int mutex_create (int mutex_rid);
+
+/* Delete a mutex. Will wake up waiters */
+int mutex_delete (int mutex_rid);
+
+/* Lock a mutex */
+int mutex_lock (int mutex_rid);
+
+/* Unlock a mutex */
+int mutex_unlock (int mutex_rid);
+
+/* get current process argument pointer */
+void* argument_ptr (void);
+
+/* Call a device command */
+int device_do (int device_id, int cmd, void* a1, void* a2, void* a3, void* a4);
+
+/* Run external ELF program */
+int exec (const char* path);
+
+/* Open a file */
+int open (const char* path);
+
+/* Close a file */
+int close (const char* path);
+
+/* Read a file */
+int read (const char* path, size_t off, uint8_t* buffer, size_t size);
+
+/* describe a file */
+int describe (const char* path, struct fs_desc_buffer* desc);
+
+/* send a message to a procgroup's mail */
+int mail_send (int pgid, void* mesg, size_t mesg_size);
+
+/* receive a message from mail */
+int mail_receive (void* mesg, size_t mesg_size);
+
+/* get procgroup id of a perticular process */
+int get_procgroup (int pid);
+
+/* get PID of process, which exec'ed the current process */
+int get_exec_pid (void);
+
+#endif // _LIBMSL_M_SYSTEM_H