X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/172a5ba7dad6e9c7e38e4e5aa2607de3728f0ebf..50d89a314a394e5427d0791a08ffc3a3b79b6670:/tools/frob-rls.c

diff --git a/tools/frob-rls.c b/tools/frob-rls.c
new file mode 100644
index 0000000..3ff4e53
--- /dev/null
+++ b/tools/frob-rls.c
@@ -0,0 +1,48 @@
+#include <sys/io.h>
+#include <reg-82801b.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+static uint16_t _get_PMBASE()
+{
+	static long pmbase = -1;
+
+	if (pmbase == -1) 
+		pmbase = pci_read32(ICH2_LPC_BUS, ICH2_LPC_DEV, ICH2_LPC_FN, ICH2_LPC_PCI_PMBASE) & ICH2_PMBASE_MASK;
+
+	return pmbase;
+}
+
+typedef struct {
+	uint32_t signature;
+	uint32_t type;
+	uint8_t data[];
+} packet_t;
+
+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 = 0xAA;
+	strcpy(packet->data, "hello, world!");
+
+	if (iopl(3) < 0)
+	{
+		perror("iopl");
+		return 1;
+	}
+	
+	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);
+	}
+}