Import sources from 2011-03-30 iso image

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/src/9/port/initcode.c b/sys/src/9/port/initcode.c
new file mode 100755
index 000000000..7fb15cc13
--- /dev/null
+++ b/sys/src/9/port/initcode.c
@@ -0,0 +1,39 @@
+/*
+ * IMPORTANT!  DO NOT ADD LIBRARY CALLS TO THIS FILE.
+ * The entire text image must fit on one page
+ * (and there's no data segment, so any read/write data must be on the stack).
+ */
+
+#include <u.h>
+#include <libc.h>
+
+char cons[] = "#c/cons";
+char boot[] = "/boot/boot";
+char dev[] = "/dev";
+char c[] = "#c";
+char e[] = "#e";
+char ec[] = "#ec";
+char s[] = "#s";
+char srv[] = "/srv";
+char env[] = "/env";
+
+void
+startboot(char *argv0, char **argv)
+{
+	char buf[200];	/* keep this fairly large to capture error details */
+
+	/* in case boot is a shell script */
+	open(cons, OREAD);
+	open(cons, OWRITE);
+	open(cons, OWRITE);
+	bind(c, dev, MAFTER);
+	bind(ec, env, MAFTER);
+	bind(e, env, MCREATE|MAFTER);
+	bind(s, srv, MREPL|MCREATE);
+
+	exec(boot, argv);
+
+	rerrstr(buf, sizeof buf);
+	buf[sizeof buf - 1] = '\0';
+	_exits(buf);
+}