X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/ea6c242bffbda5298b4def632a98b00bb6ac775d..22e3f1d996dfe075b62cc64283bc3c887bd9a146:/tools/poke-rls.c

diff --git a/tools/poke-rls.c b/tools/poke-rls.c
index 01de181..557e7a9 100644
--- a/tools/poke-rls.c
+++ b/tools/poke-rls.c
@@ -1,3 +1,13 @@
+/* poke-rls.c
+ * Linux-side communication packet utility
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
 #include <sys/io.h>
 #include <reg-82801b.h>
 #include <string.h>
@@ -14,12 +24,22 @@ static uint16_t _get_PMBASE()
 	return pmbase;
 }
 
+typedef struct {
+	uint32_t signature;
+	uint32_t type;
+	uint8_t data[];
+} packet_t;
 
-extern unsigned int poke(unsigned long addr);
+extern unsigned int poke(unsigned long addr, unsigned long * value);
 
 int main(int argc, char **argv)
 {
 	unsigned int res;
+	packet_t * packet = (packet_t *)memalign(4096, sizeof(packet_t));
+
+	packet->signature = 0x1BADD00D;
+	packet->type = 42;
+	strcpy(packet->data, "hello, world!");
 
 	if (iopl(3) < 0)
 	{
@@ -27,6 +47,12 @@ int main(int argc, char **argv)
 		return 1;
 	}
 	
-	res = poke(_get_PMBASE() + 0x04);
-	printf("found %p\n", res);
+	res = poke(_get_PMBASE() + 0x04, (void *)packet);
+	printf("returned %p\n", res);
+
+	if (res == 42) {
+		int i;
+		for (i = 0; i < 96; i++)
+			printf("%s\n", packet->data + i * 41);
+	}
 }