date and time created 81/02/24 15:51:20 by toy

SCCS-vsn: usr.sbin/config/mkubglue.c 1.1

diff --git a/usr/src/usr.sbin/config/mkubglue.c b/usr/src/usr.sbin/config/mkubglue.c
new file mode 100644 (file)
index 0000000..003de1f
--- /dev/null
+++ b/usr/src/usr.sbin/config/mkubglue.c
@@ -0,0 +1,50 @@
+/*
+ * Make the uba interrupt file ubglue.s
+ */
+#include <stdio.h>
+#include "config.h"
+#include "y.tab.h"
+
+ubglue()
+{
+    register FILE *fp;
+    register struct device *dp, *mp;
+
+    fp = fopen(path(ubglue.c), "w");
+    for (dp = dtab ; dp != NULL; dp = dp->d_next)
+    {
+       mp = dp->d_conn;
+       if (mp != NULL && mp != -1 && !eq(mp->d_name, "mba"))
+       {
+           if (dp->d_vec1 != NULL)
+               dump_vec(fp, dp->d_vec1, dp->d_unit);
+           if (dp->d_vec2 != NULL)
+               dump_vec(fp, dp->d_vec2, dp->d_unit);
+       }
+    }
+    fclose(fp);
+}
+
+/*
+ * dump_vec
+ *     Print an interrupt vector
+ */
+
+dump_vec(fp, vector, number)
+register FILE *fp;
+char *vector;
+int number;
+{
+    char nbuf[80];
+    register char *v = nbuf;
+
+    sprintf(v, "%s%d", vector, number);
+    fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n", v, v);
+    if (strncmp(vector, "dzx", 3) == 0)
+       fprintf(fp, "\tmovl\t$%d,r0\n\tjbr\t_dzdma\n\n", number);
+    else
+    {
+       fprintf(fp, "\tpushl\t$%d\n", number);
+       fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n\trei\n\n", vector);
+    }
+}