Changes to make __REV__ constant at any place in kernel

Output SVN revision number in boot screen

git-svn-id: svn://kolibrios.org@426 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/macros.inc

@@ -0,0 +1,97 @@
+
+__REV = 0
+
+macro $Revision a {
+  match =: Num =$,a \{
+    if __REV < Num
+      __REV = Num
+    end if
+  \}
+}
+
+$Revision$
+
+; structure definition helper
+macro struct name, [arg]
+ {
+  common
+   name@struct equ name
+   struc name arg {
+ }
+
+macro struct_helper name
+ {
+  match xname,name
+  \{
+   virtual at 0
+   xname xname
+   sizeof.#xname = $ - xname
+   name equ sizeof.#xname
+   end virtual
+  \}
+ }
+
+ends fix } struct_helper name@struct
+
+;// mike.dld, 2006-29-01 [
+
+; macros definition
+macro diff16 title,l1,l2
+{
+  local s,d
+  s = l2-l1
+  display title,': 0x'
+  repeat 8
+    d = 48 + s shr ((8-%) shl 2) and $0F
+    if d > 57
+      d = d + 65-57-1
+    end if
+    display d
+  end repeat
+  display 13,10
+}
+macro diff10 title,l1,l2
+ {
+  local s,d,z,m
+  s = l2-l1
+  z = 0
+  m = 1000000000
+  display title,': '
+  repeat 10
+   d = '0' + s / m
+   s = s - (s/m)*m
+   m = m / 10
+   if d <> '0'
+    z = 1
+   end if
+   if z <> 0
+    display d
+   end if
+  end repeat
+  display 13,10
+ }
+
+; \begin{diamond}[29.09.2006]
+; may be useful for kernel debugging
+; example 1:
+;       dbgstr 'Hello, World!'
+; example 2:
+;       dbgstr 'Hello, World!', save_flags
+macro dbgstr string*, f
+{
+local a
+iglobal_nested
+a db 'K : ',string,13,10,0
+endg_nested
+if ~ f eq
+	pushfd
+end if
+	push	esi
+	mov	esi, a
+	call	sys_msg_board_str
+	pop	esi
+if ~ f eq
+	popfd
+end if
+}
+; \end{diamond}[29.09.2006]