added 5e (not finished)

1 files changed, 76 insertions, 0 deletions

diff --git a/sys/src/cmd/5e/5e.c b/sys/src/cmd/5e/5e.c
new file mode 100644
index 000000000..3aac578d1
--- /dev/null
+++ b/sys/src/cmd/5e/5e.c
@@ -0,0 +1,76 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include "dat.h"
+#include "fns.h"
+
+Process **PP;
+
+static int nflag;
+
+void
+dump(void)
+{
+	int i;
+	
+	for(i = 0; i < 16; i++) {
+		print("R%2d %.8ux", i, P->R[i]);
+		if((i % 4) == 3) print("\n");
+		else print("\t");
+	}
+}
+
+static void
+adjustns(void)
+{
+	if(bind("/arm/bin", "/bin", MREPL) < 0)
+		sysfatal("bind: %r");
+	if(bind("/rc/bin", "/bin", MAFTER) < 0)
+		sysfatal("bind: %r");
+	putenv("cputype", "arm");
+	putenv("objtype", "arm");
+}
+
+void
+cleanup(void)
+{
+	if(P == nil)
+		return;
+
+	freesegs();
+	fddecref(P->fd);
+	free(P);
+}
+
+static void
+usage(void)
+{
+	fprint(2, "usage: 5e [ -n ] text [ args ]\n");
+	exits(nil);
+}
+
+void
+main(int argc, char **argv)
+{
+	ARGBEGIN {
+	case 'n': nflag++; break;
+	default: usage();
+	} ARGEND;
+	if(argc < 1)
+		usage();
+	if(_nprivates < 1)
+		sysfatal("we don't have privates");
+	if(rfork(RFREND | RFNAMEG | RFENVG) < 0)
+		sysfatal("rfork: %r");
+	atexit(cleanup);
+	if(nflag)
+		adjustns();
+	initproc();
+	if(loadtext(argv[0], argc, argv) < 0)
+		sysfatal("%r");
+	for(;;) {
+		if(ultraverbose)
+			dump();
+		step();
+	}
+}