+/* 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>
#include <stdint.h>
+#include <stdlib.h>
static uint16_t _get_PMBASE()
{
return pmbase;
}
+typedef struct {
+ uint32_t signature;
+ uint32_t type;
+ uint8_t data[];
+} packet_t;
-extern unsigned int poke(short 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)
{
perror("iopl");
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);
+ }
}