view rvinterf/tmsh/abb.c @ 992:a7b0b426f9ca

target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents c146f38d2b5f
children
line wrap: on
line source

/*
 * In this module we are going to implement commands dealing with the ABB.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "pktmux.h"
#include "limits.h"
#include "localtypes.h"
#include "etm.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

void
cmd_abbr(argc, argv)
	char **argv;
{
	u32 page, reg;
	u_char cmdpkt[5];

	page = strtoul(argv[1], 0, 0);
	reg = strtoul(argv[2], 0, 0);
	if (page > 1 || reg > 31) {
		printf("error: argument(s) out of range\n");
		return;
	}
	cmdpkt[1] = ETM_CORE;
	cmdpkt[2] = TMCORE_OPC_CODEC_RD;
	cmdpkt[3] = page << 5 | reg;
	send_etm_cmd(cmdpkt, 3);
}

void
abbr_response()
{
	unsigned pg, reg, val;
	char buf[80];

	if (rvi_msg[3]) {
		print_etm_pkt_raw("abbr error");
		return;
	}
	if (rvi_msg_len != 9) {
		print_etm_pkt_raw("abbr malformed resp");
		return;
	}
	pg = rvi_msg[5] >> 5;
	reg = rvi_msg[5] & 0x1F;
	val = rvi_msg[6] | rvi_msg[7] << 8;
	sprintf(buf, "abbr %u %u: %03X", pg, reg, val);
	async_msg_output(buf);
}

void
cmd_abbw(argc, argv)
	char **argv;
{
	u32 page, reg, val;
	u_char cmdpkt[7];

	page = strtoul(argv[1], 0, 0);
	reg = strtoul(argv[2], 0, 0);
	val = strtoul(argv[3], 0, 16);
	if (page > 1 || reg > 31 || val > 0x3FF) {
		printf("error: argument(s) out of range\n");
		return;
	}
	cmdpkt[1] = ETM_CORE;
	cmdpkt[2] = TMCORE_OPC_CODEC_WR;
	cmdpkt[3] = page << 5 | reg;
	cmdpkt[4] = val;
	cmdpkt[5] = val >> 8;
	send_etm_cmd(cmdpkt, 5);
}

void
abbw_response()
{
	unsigned pg, reg;
	char buf[80];

	if (rvi_msg[3]) {
		print_etm_pkt_raw("abbw error");
		return;
	}
	if (rvi_msg_len != 7) {
		print_etm_pkt_raw("abbw malformed resp");
		return;
	}
	pg = rvi_msg[5] >> 5;
	reg = rvi_msg[5] & 0x1F;
	sprintf(buf, "abbw %u %u OK", pg, reg);
	async_msg_output(buf);
}