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Diffstat (limited to 'drivers/net/dgrs_asstruct.h')
-rw-r--r--drivers/net/dgrs_asstruct.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/net/dgrs_asstruct.h b/drivers/net/dgrs_asstruct.h
new file mode 100644
index 000000000000..a8e5bb5ef534
--- /dev/null
+++ b/drivers/net/dgrs_asstruct.h
@@ -0,0 +1,37 @@
+/*
+ * For declaring structures shared with assembly routines
+ *
+ * $Id: asstruct.h,v 1.1.1.1 1994/10/23 05:08:32 rick Exp $
+ */
+
+#ifdef ASSEMBLER
+
+# define MO(t,a) (a)
+# define VMO(t,a) (a)
+
+# define BEGIN_STRUCT(x) _Off=0
+# define S1A(t,x,n) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+(1*n)
+# define S2A(t,x,n) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+(2*n)
+# define S4A(t,x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
+# define WORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
+# define WORDA(x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
+# define VWORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
+# define S1(t,x) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+1
+# define S2(t,x) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+2
+# define S4(t,x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
+# define END_STRUCT(x) _Off=(_Off+3)&~3; x=_Off
+
+#else /* C */
+
+#define VMO(t,a) (*(volatile t *)(a))
+
+# define BEGIN_STRUCT(x) struct x {
+# define S1(t,x) t x ;
+# define S1A(t,x,n) t x[n] ;
+# define S2(t,x) t x ;
+# define S2A(t,x,n) t x[n] ;
+# define S4(t,x) t x ;
+# define S4A(t,x,n) t x[n] ;
+# define END_STRUCT(x) } ;
+
+#endif