Redesign syscalls

libmsl/m/system.h

@@ -0,0 +1,28 @@
+#ifndef _LIBMSL_M_SYSTEM_H
+#define _LIBMSL_M_SYSTEM_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#if defined(__x86_64__)
+#define PROC_MAP_BASE 0x0000700000000000
+#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)
+
+#define RV_PRIVATE 0
+#define RV_PUBLIC  1
+
+int quit (void);
+int test (char c);
+int map (int mem_rid, int vis, uintptr_t vaddr, uint32_t flags);
+int unmap (uintptr_t vaddr, size_t pages);
+int create_mem (int mem_rid, int vis, size_t pages);
+int unlink_mem (int mem_rid, int vis, size_t pages);
+int clone (uintptr_t vstack_top, size_t stack_size, void (*entry) (void));
+
+#endif // _LIBMSL_M_SYSTEM_H