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smp : infra for smp minimum support

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This commit is contained in:
Michel Jaouen
2011-04-19 08:43:33 +02:00
committed by Øyvind Harboe
parent 36d60ee6c8
commit b778b36f29
8 changed files with 384 additions and 24 deletions
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52
src/server/gdb_server.c
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@@ -11,6 +11,9 @@
* Copyright (C) 2011 by Broadcom Corporation *
* Evan Hunter - ehunter@broadcom.com *
* *
* Copyright (C) ST-Ericsson SA 2011 *
* michel.jaouen@stericsson.com : smp minimum support *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
@@ -39,6 +42,7 @@
#include <target/image.h>
#include <jtag/jtag.h>
#include "rtos/rtos.h"
#include "target/smp.h"
/**
@@ -62,7 +66,7 @@ struct gdb_connection
int closed;
int busy;
int noack_mode;
bool sync; /* set flag to true if you want the next stepi to return immediately.
bool sync; /* set flag to true if you want the next stepi to return immediately.
allowing GDB to pick up a fresh set of register values from the target
without modifying the target state. */
/* We delay reporting memory write errors until next step/continue or memory
@@ -2360,6 +2364,24 @@ static int gdb_input_inner(struct connection *connection)
"ocd_gdb_restart %s",
target_name(target));
break;
case 'j':
/* packet supported only by smp target i.e cortex_a.c*/
/* handle smp packet replying coreid played to gbd */
gdb_read_smp_packet(
connection, target,
packet, packet_size);
break;
case 'J':
/* packet supported only by smp target i.e cortex_a.c */
/* handle smp packet setting coreid to be played at next
* resume to gdb */
gdb_write_smp_packet(
connection, target,
packet, packet_size);
break;
default:
/* ignore unknown packets */
LOG_DEBUG("ignoring 0x%2.2x packet", packet[0]);
@@ -2411,21 +2433,43 @@ static int gdb_input(struct connection *connection)
static int gdb_target_start(struct target *target, const char *port)
{
struct gdb_service *gdb_service = malloc(sizeof(struct gdb_service));
struct gdb_service *gdb_service;
int ret;
gdb_service = malloc(sizeof(struct gdb_service));
if (NULL == gdb_service)
return -ENOMEM;
gdb_service->target = target;
gdb_service->core[0] = -1;
gdb_service->core[1] = -1;
target->gdb_service = gdb_service;
return add_service("gdb",
ret = add_service("gdb",
port, 1, &gdb_new_connection, &gdb_input,
&gdb_connection_closed, gdb_service);
/* initialialize all targets gdb service with the same pointer */
{
struct target_list *head;
struct target *curr;
head = target->head;
while(head != (struct target_list*)NULL)
{
curr = head->target;
if (curr != target) curr->gdb_service = gdb_service;
head = head->next;
}
}
return ret;
}
static int gdb_target_add_one(struct target *target)
{
/* one gdb instance per smp list */
if ((target->smp) && (target->gdb_service)) return ERROR_OK;
int retval = gdb_target_start(target, gdb_port_next);
if (retval == ERROR_OK)
if (retval == ERROR_OK)
{
long portnumber;
/* If we can parse the port number