[netwatch.git] / tools / poke-rls.c

/* 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()
{
	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 = 42;
	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);
	}
}
Commit	Line	Data
98e930a2 JP	1	/* poke-rls.c
	2	* Linux-side communication packet utility
	3	* NetWatch system management mode administration console
	4	*
	5	* Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
	6	* This program is free software; you can redistribute and/or modify it under
	7	* the terms found in the file LICENSE in the root of this source tree.
	8	*
	9	*/
	10
0889f342 JP	11	#include <sys/io.h>
	12	#include <reg-82801b.h>
	13	#include <string.h>
	14	#include <stdint.h>
ea6c242b	15	#include <stdlib.h>
0889f342 JP	16
	17	static uint16_t _get_PMBASE()
	18	{
	19	static long pmbase = -1;
	20
	21	if (pmbase == -1)
	22	pmbase = pci_read32(ICH2_LPC_BUS, ICH2_LPC_DEV, ICH2_LPC_FN, ICH2_LPC_PCI_PMBASE) & ICH2_PMBASE_MASK;
	23
	24	return pmbase;
	25	}
	26
0cd80c51 JP	27	typedef struct {
	28	uint32_t signature;
	29	uint32_t type;
	30	uint8_t data[];
	31	} packet_t;
0889f342	32
0cd80c51	33	extern unsigned int poke(unsigned long addr, unsigned long * value);
0889f342 JP	34
	35	int main(int argc, char **argv)
	36	{
	37	unsigned int res;
0cd80c51 JP	38	packet_t * packet = (packet_t *)memalign(4096, sizeof(packet_t));
	39
	40	packet->signature = 0x1BADD00D;
d5cffad7 JP	41	packet->type = 42;
d5cffad7 JP	42	strcpy(packet->data, "hello, world!");
0889f342 JP	43
	44	if (iopl(3) < 0)
	45	{
	46	perror("iopl");
	47	return 1;
	48	}
ea6c242b	49
0cd80c51 JP	50	res = poke(_get_PMBASE() + 0x04, (void *)packet);
0cd80c51 JP	51	printf("returned %p\n", res);
d5cffad7 JP	52
d5cffad7 JP	53	if (res == 42) {
a3033282 JW	54	int i;
	55	for (i = 0; i < 96; i++)
	56	printf("%s\n", packet->data + i * 41);
d5cffad7	57	}
0889f342	58	}