feat: (vm) memory mapping support: mmap/munmap

[lunaix-os.git] / lunaix-os / includes / lunaix / syscall.h

diff --git a/lunaix-os/includes/lunaix/syscall.h b/lunaix-os/includes/lunaix/syscall.h
index 8a523ad2c4ea787a2b866b56dee567865643fabc..04ae40bc88964e7d1a1d242da69ef561a8dd4514 100644 (file)
--- a/lunaix-os/includes/lunaix/syscall.h
+++ b/lunaix-os/includes/lunaix/syscall.h
@@ -58,6 +58,11 @@
 #define __SYSCALL_getpgid 49
 #define __SYSCALL_setpgid 50
 
+#define __SYSCALL_syslog 51
+
+#define __SYSCALL_mmap 52
+#define __SYSCALL_munmap 53
+
 #define __SYSCALL_MAX 0x100
 
 #ifndef __ASM__
@@ -91,6 +96,11 @@ syscall_install();
     asmlinkage rettype __lxsys_##name(                                         \
       __PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))
 
+#define __DEFINE_LXSYSCALL5(                                                   \
+  rettype, name, t1, p1, t2, p2, t3, p3, t4, p4, t5, p5)                       \
+    asmlinkage rettype __lxsys_##name(                                         \
+      __PARAM_MAP5(t1, p1, t2, p2, t3, p3, t4, p4, t5, p5))
+
 #define __SYSCALL_INTERRUPTIBLE(code)                                          \
     asm("sti");                                                                \
     { code };                                                                  \
@@ -135,12 +145,23 @@ syscall_install();
         ___DOINT33(__SYSCALL_##name, rettype)                                  \
     }
 
+#define __LXSYSCALL5(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4, t5, p5)    \
+    static rettype name(__PARAM_MAP5(t1, p1, t2, p2, t3, p3, t4, p4, t5, p5))  \
+    {                                                                          \
+        asm("movl %0, %%ebp\n" ::"r"(p5), "b"(p1), "c"(p2), "d"(p3), "D"(p4)   \
+            : "%ebp");                                                         \
+        ___DOINT33(__SYSCALL_##name, rettype)                                  \
+    }
+
 #define __LXSYSCALL2_VARG(rettype, name, t1, p1, t2, p2)                       \
-    static rettype name(__PARAM_MAP2(t1, p1, t2, p2), ...)                     \
+    __attribute__((noinline)) static rettype name(                             \
+      __PARAM_MAP2(t1, p1, t2, p2), ...)                                       \
     {                                                                          \
+        /* No inlining! This depends on the call frame assumption */           \
         void* _last = (void*)&p2 + sizeof(void*);                              \
         asm("\n" ::"b"(p1), "c"(p2), "d"(_last));                              \
         ___DOINT33(__SYSCALL_##name, rettype)                                  \
     }
 #endif
+
 #endif /* __LUNAIX_SYSCALL_H */