apply richard millers arm debug fixes (from sources)

[plan9front.git] / sys / src / 9 / kw / arm.h

diff --git a/sys/src/9/kw/arm.h b/sys/src/9/kw/arm.h
old mode 100755 (executable)
new mode 100644 (file)
index a9e2ff1..5b6fc27
--- a/sys/src/9/kw/arm.h
+++ b/sys/src/9/kw/arm.h
@@ -18,9 +18,15 @@
 #define PsrZ           0x40000000              /* zero */
 #define PsrN           0x80000000              /* negative/less than */
 
+/* instruction decoding */
+#define ISCPOP(op)     ((op) == 0xE || ((op) & ~1) == 0xC)
+#define ISFPAOP(cp, op)        ((cp) == CpOFPA && ISCPOP(op))
+#define ISVFPOP(cp, op)        (((cp) == CpDFP || (cp) == CpFP) && ISCPOP(op))
+
 /*
  * Coprocessors
  */
+#define CpOFPA         1                       /* ancient 7500 FPA */
 #define CpFP           10                      /* float FP, VFP cfg. */
 #define CpDFP          11                      /* double FP */
 #define CpSC           15                      /* System Control */