9os

commit 1cf609461d03e920016b9f9bb7b8043ffbee57a2
parent f414d8cb32f4fdb42f59a9ce02873b9c18418284
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sun, 18 Oct 2020 09:41:46 +0200

os9/arm64: Add isys()

This function is intended for the generic system initialization
such that the code can be shared between all the ports.

Change-Id: I0b4ae0881f56cc40ff104357f67a904b369fafc8

Diffstat:
A
src/os9/init.c
 | 
40
++++++++++++++++++++++++++++++++++++++++

1 file changed, 40 insertions(+), 0 deletions(-)
diff --git a/src/os9/init.c b/src/os9/init.c
@@ -0,0 +1,40 @@
+#include <os9/os9.h>
+
+#include <string.h>
+
+Chan *console;
+
+extern char *getconf(char *name);
+
+static void
+icons(void)
+{
+	char *cfg, *p;
+	Chan *c;
+
+	if ((cfg = getconf("console")) == NULL)
+		panic("missed console configuration");
+
+	if ((c = devopen("#c/ctl", O_WRITE)) == NULL)
+		panic("namec:/dev/cons/ctl open");
+
+	while ((p =strchr(cfg, '\n')) != NULL) {
+		if (devwrite(c, cfg, p - cfg) < 0)
+			panic("writing console configuration");
+		cfg = p+1;
+	}
+
+	if (devclose(c) < 0)
+		panic("devclose");
+
+	if ((console = devopen("#c/raw", O_RDWR)) == NULL)
+		panic("namec:#c/raw read");
+}
+
+void
+isys(void)
+{
+	idev();
+	icons();
+	debug();
+}