--- /dev/null
+/* Remote debugging interface for M32R/SDI.
+
+ Copyright 2003 Free Software Foundation, Inc.
+
+ Contributed by Renesas Technology Co.
+ Written by Kei Sakamoto <sakamoto.kei@renesas.com>.
+
+ This file is part of GDB.
+
+ 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
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "gdbcmd.h"
+#include "gdbcore.h"
+#include "inferior.h"
+#include "target.h"
+#include "regcache.h"
+#include "gdb_string.h"
+#include <ctype.h>
+#include <signal.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <time.h>
+
+
+#include "serial.h"
+
+/* Descriptor for I/O to remote machine. */
+
+static struct serial *sdi_desc = NULL;
+
+#define SDI_TIMEOUT 30
+
+
+#define SDIPORT 3232
+
+static char chip_name[64];
+
+static int step_mode;
+static unsigned long last_pc_addr = 0xffffffff;
+static unsigned char last_pc_addr_data[2];
+
+static int mmu_on = 0;
+
+static int use_ib_breakpoints = 1;
+
+#define MAX_BREAKPOINTS 1024
+static int max_ib_breakpoints;
+static unsigned long bp_address[MAX_BREAKPOINTS];
+static unsigned char bp_data[MAX_BREAKPOINTS][4];
+static const unsigned char ib_bp_entry_enable[] = {
+ 0x00, 0x00, 0x00, 0x06
+};
+static const unsigned char ib_bp_entry_disable[] = {
+ 0x00, 0x00, 0x00, 0x00
+};
+
+/* dbt -> nop */
+static const unsigned char dbt_bp_entry[] = {
+ 0x10, 0xe0, 0x70, 0x00
+};
+
+#define MAX_ACCESS_BREAKS 4
+static int max_access_breaks;
+static unsigned long ab_address[MAX_ACCESS_BREAKS];
+static unsigned int ab_type[MAX_ACCESS_BREAKS];
+static unsigned int ab_size[MAX_ACCESS_BREAKS];
+static CORE_ADDR hit_watchpoint_addr = 0;
+
+static int interrupted = 0;
+
+/* Forward data declarations */
+extern struct target_ops m32r_ops;
+
+
+/* Commands */
+#define SDI_OPEN 1
+#define SDI_CLOSE 2
+#define SDI_RELEASE 3
+#define SDI_READ_CPU_REG 4
+#define SDI_WRITE_CPU_REG 5
+#define SDI_READ_MEMORY 6
+#define SDI_WRITE_MEMORY 7
+#define SDI_EXEC_CPU 8
+#define SDI_STOP_CPU 9
+#define SDI_WAIT_FOR_READY 10
+#define SDI_GET_ATTR 11
+#define SDI_SET_ATTR 12
+#define SDI_STATUS 13
+
+/* Attributes */
+#define SDI_ATTR_NAME 1
+#define SDI_ATTR_BRK 2
+#define SDI_ATTR_ABRK 3
+#define SDI_ATTR_CACHE 4
+#define SDI_CACHE_TYPE_M32102 0
+#define SDI_CACHE_TYPE_CHAOS 1
+#define SDI_ATTR_MEM_ACCESS 5
+#define SDI_MEM_ACCESS_DEBUG_DMA 0
+#define SDI_MEM_ACCESS_MON_CODE 1
+
+/* Registers */
+#define SDI_REG_R0 0
+#define SDI_REG_R1 1
+#define SDI_REG_R2 2
+#define SDI_REG_R3 3
+#define SDI_REG_R4 4
+#define SDI_REG_R5 5
+#define SDI_REG_R6 6
+#define SDI_REG_R7 7
+#define SDI_REG_R8 8
+#define SDI_REG_R9 9
+#define SDI_REG_R10 10
+#define SDI_REG_R11 11
+#define SDI_REG_R12 12
+#define SDI_REG_FP 13
+#define SDI_REG_LR 14
+#define SDI_REG_SP 15
+#define SDI_REG_PSW 16
+#define SDI_REG_CBR 17
+#define SDI_REG_SPI 18
+#define SDI_REG_SPU 19
+#define SDI_REG_CR4 20
+#define SDI_REG_EVB 21
+#define SDI_REG_BPC 22
+#define SDI_REG_CR7 23
+#define SDI_REG_BBPSW 24
+#define SDI_REG_CR9 25
+#define SDI_REG_CR10 26
+#define SDI_REG_CR11 27
+#define SDI_REG_CR12 28
+#define SDI_REG_WR 29
+#define SDI_REG_BBPC 30
+#define SDI_REG_PBP 31
+#define SDI_REG_ACCH 32
+#define SDI_REG_ACCL 33
+#define SDI_REG_ACC1H 34
+#define SDI_REG_ACC1L 35
+
+
+/* Low level communication functions */
+
+/* Check an ack packet from the target */
+static int
+get_ack (void)
+{
+ int c;
+
+ if (!sdi_desc)
+ return -1;
+
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+
+ if (c < 0)
+ return -1;
+
+ if (c != '+') /* error */
+ return -1;
+
+ return 0;
+}
+
+/* Send data to the target and check an ack packet */
+static int
+send_data (void *buf, int len)
+{
+ int ret;
+
+ if (!sdi_desc)
+ return -1;
+
+ if (serial_write (sdi_desc, buf, len) != 0)
+ return -1;
+
+ if (get_ack () == -1)
+ return -1;
+
+ return len;
+}
+
+/* Receive data from the target */
+static int
+recv_data (void *buf, int len)
+{
+ int total = 0;
+ int c;
+
+ if (!sdi_desc)
+ return -1;
+
+ while (total < len)
+ {
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+
+ if (c < 0)
+ return -1;
+
+ ((unsigned char *) buf)[total++] = c;
+ }
+
+ return len;
+}
+
+/* Store unsigned long parameter on packet */
+static void
+store_long_parameter (void *buf, long val)
+{
+ val = htonl (val);
+ memcpy (buf, &val, 4);
+}
+
+/* Check if MMU is on */
+static void
+check_mmu_status (void)
+{
+ unsigned long val;
+ unsigned char buf[2];
+
+ /* Read PC address */
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_BPC;
+ if (send_data (buf, 2) == -1)
+ return;
+ recv_data (&val, 4);
+ val = ntohl (val);
+ if ((val & 0xc0000000) == 0x80000000)
+ {
+ mmu_on = 1;
+ return;
+ }
+
+ /* Read EVB address */
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_EVB;
+ if (send_data (buf, 2) == -1)
+ return;
+ recv_data (&val, 4);
+ val = ntohl (val);
+ if ((val & 0xc0000000) == 0x80000000)
+ {
+ mmu_on = 1;
+ return;
+ }
+
+ mmu_on = 0;
+}
+
+
+/* This is called not only when we first attach, but also when the
+ user types "run" after having attached. */
+static void
+m32r_create_inferior (char *execfile, char *args, char **env)
+{
+ CORE_ADDR entry_pt;
+
+ if (args && *args)
+ error ("Cannot pass arguments to remote STDEBUG process");
+
+ if (execfile == 0 || exec_bfd == 0)
+ error ("No executable file specified");
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_create_inferior(%s,%s)\n", execfile,
+ args);
+
+ entry_pt = bfd_get_start_address (exec_bfd);
+
+ /* The "process" (board) is already stopped awaiting our commands, and
+ the program is already downloaded. We just set its PC and go. */
+
+ clear_proceed_status ();
+
+ /* Tell wait_for_inferior that we've started a new process. */
+ init_wait_for_inferior ();
+
+ /* Set up the "saved terminal modes" of the inferior
+ based on what modes we are starting it with. */
+ target_terminal_init ();
+
+ /* Install inferior's terminal modes. */
+ target_terminal_inferior ();
+
+ proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
+}
+
+/* Open a connection to a remote debugger.
+ NAME is the filename used for communication. */
+
+static void
+m32r_open (char *args, int from_tty)
+{
+ struct hostent *host_ent;
+ struct sockaddr_in server_addr;
+ char *port_str, hostname[256];
+ int port;
+ unsigned char buf[2];
+ int i, n;
+ int yes = 1;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_open(%d)\n", from_tty);
+
+ target_preopen (from_tty);
+
+ push_target (&m32r_ops);
+
+ if (args == NULL)
+ sprintf (hostname, "localhost:%d", SDIPORT);
+ else
+ {
+ port_str = strchr (args, ':');
+ if (port_str == NULL)
+ sprintf (hostname, "%s:%d", args, SDIPORT);
+ else
+ strcpy (hostname, args);
+ }
+
+ sdi_desc = serial_open (hostname);
+ if (!sdi_desc)
+ error ("Connection refused\n");
+
+ if (get_ack () == -1)
+ error ("Cannot connect to SDI target\n");
+
+ buf[0] = SDI_OPEN;
+ if (send_data (buf, 1) == -1)
+ error ("Cannot connect to SDI target\n");
+
+ /* Get maximum number of ib breakpoints */
+ buf[0] = SDI_GET_ATTR;
+ buf[1] = SDI_ATTR_BRK;
+ send_data (buf, 2);
+ recv_data (buf, 1);
+ max_ib_breakpoints = buf[0];
+ if (remote_debug)
+ printf_filtered ("Max IB Breakpoints = %d\n", max_ib_breakpoints);
+
+ /* Initialize breakpoints. */
+ for (i = 0; i < MAX_BREAKPOINTS; i++)
+ bp_address[i] = 0xffffffff;
+
+ /* Get maximum number of access breaks. */
+ buf[0] = SDI_GET_ATTR;
+ buf[1] = SDI_ATTR_ABRK;
+ send_data (buf, 2);
+ recv_data (buf, 1);
+ max_access_breaks = buf[0];
+ if (remote_debug)
+ printf_filtered ("Max Access Breaks = %d\n", max_access_breaks);
+
+ /* Initialize access breask. */
+ for (i = 0; i < MAX_ACCESS_BREAKS; i++)
+ ab_address[i] = 0x00000000;
+
+ check_mmu_status ();
+
+ /* Get the name of chip on target board. */
+ buf[0] = SDI_GET_ATTR;
+ buf[1] = SDI_ATTR_NAME;
+ send_data (buf, 2);
+ recv_data (chip_name, 64);
+
+ if (from_tty)
+ printf_filtered ("Remote %s connected to %s\n", target_shortname,
+ chip_name);
+}
+
+/* Close out all files and local state before this target loses control. */
+
+static void
+m32r_close (int quitting)
+{
+ unsigned char buf[1];
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_close(%d)\n", quitting);
+
+ if (sdi_desc)
+ {
+ buf[0] = SDI_CLOSE;
+ send_data (buf, 1);
+ serial_close (sdi_desc);
+ sdi_desc = NULL;
+ }
+
+ inferior_ptid = null_ptid;
+ return;
+}
+
+/* Tell the remote machine to resume. */
+
+static void
+m32r_resume (ptid_t ptid, int step, enum target_signal sig)
+{
+ unsigned long pc_addr, bp_addr, ab_addr;
+ unsigned char buf[13];
+ int i;
+
+ if (remote_debug)
+ {
+ if (step)
+ fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(step)\n");
+ else
+ fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(cont)\n");
+ }
+
+ check_mmu_status ();
+
+ pc_addr = read_pc ();
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "pc <= 0x%lx\n", pc_addr);
+
+ /* At pc address there is a parallel instruction with +2 offset,
+ so we have to make it a serial instruction or avoid it. */
+ if (pc_addr == last_pc_addr)
+ {
+ /* Avoid a parallel nop. */
+ if (last_pc_addr_data[0] == 0xf0 && last_pc_addr_data[1] == 0x00)
+ {
+ pc_addr += 2;
+ /* Now we can forget this instruction. */
+ last_pc_addr = 0xffffffff;
+ }
+ /* Clear a parallel bit. */
+ else
+ {
+ buf[0] = SDI_WRITE_MEMORY;
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ store_long_parameter (buf + 1, pc_addr);
+ else
+ store_long_parameter (buf + 1, pc_addr - 1);
+ store_long_parameter (buf + 5, 1);
+ buf[9] = last_pc_addr_data[0] & 0x7f;
+ send_data (buf, 10);
+ }
+ }
+
+ /* Set PC. */
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_BPC;
+ store_long_parameter (buf + 2, pc_addr);
+ send_data (buf, 6);
+
+ /* step mode. */
+ step_mode = step;
+ if (step)
+ {
+ /* Set PBP. */
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_PBP;
+ store_long_parameter (buf + 2, pc_addr | 1);
+ send_data (buf, 6);
+ }
+ else
+ {
+ int ib_breakpoints;
+
+ if (use_ib_breakpoints)
+ ib_breakpoints = max_ib_breakpoints;
+ else
+ ib_breakpoints = 0;
+
+ /* Set ib breakpoints. */
+ for (i = 0; i < ib_breakpoints; i++)
+ {
+ bp_addr = bp_address[i];
+ if (bp_addr != 0xffffffff && bp_addr != pc_addr)
+ {
+ /* Set PBP. */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8000 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ buf[9] = ib_bp_entry_enable[0];
+ buf[10] = ib_bp_entry_enable[1];
+ buf[11] = ib_bp_entry_enable[2];
+ buf[12] = ib_bp_entry_enable[3];
+ }
+ else
+ {
+ buf[9] = ib_bp_entry_enable[3];
+ buf[10] = ib_bp_entry_enable[2];
+ buf[11] = ib_bp_entry_enable[1];
+ buf[12] = ib_bp_entry_enable[0];
+ }
+ send_data (buf, 13);
+
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8080 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_unsigned_integer (buf + 9, 4, bp_addr);
+ send_data (buf, 13);
+ }
+ }
+
+ /* Set dbt breakpoints. */
+ for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++)
+ {
+ bp_addr = bp_address[i];
+ if (bp_addr != 0xffffffff && bp_addr != pc_addr)
+ {
+ if (!mmu_on)
+ bp_addr &= 0x7fffffff;
+
+ /* Write DBT instruction. */
+ buf[0] = SDI_WRITE_MEMORY;
+ if ((bp_addr & 2) == 0 && bp_addr != (pc_addr & 0xfffffffc))
+ {
+ store_long_parameter (buf + 1, bp_addr);
+ store_long_parameter (buf + 5, 4);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ buf[9] = dbt_bp_entry[0];
+ buf[10] = dbt_bp_entry[1];
+ buf[11] = dbt_bp_entry[2];
+ buf[12] = dbt_bp_entry[3];
+ }
+ else
+ {
+ buf[9] = dbt_bp_entry[3];
+ buf[10] = dbt_bp_entry[2];
+ buf[11] = dbt_bp_entry[1];
+ buf[12] = dbt_bp_entry[0];
+ }
+ send_data (buf, 13);
+ }
+ else
+ {
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ store_long_parameter (buf + 1, bp_addr);
+ else if ((bp_addr & 2) == 0)
+ store_long_parameter (buf + 1, bp_addr + 2);
+ else
+ store_long_parameter (buf + 1, bp_addr - 2);
+ store_long_parameter (buf + 5, 2);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ buf[9] = dbt_bp_entry[0];
+ buf[10] = dbt_bp_entry[1];
+ }
+ else
+ {
+ buf[9] = dbt_bp_entry[1];
+ buf[10] = dbt_bp_entry[0];
+ }
+ send_data (buf, 11);
+ }
+ }
+ }
+
+ /* Set access breaks. */
+ for (i = 0; i < max_access_breaks; i++)
+ {
+ ab_addr = ab_address[i];
+ if (ab_addr != 0x00000000)
+ {
+ /* DBC register */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8100 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ buf[9] = 0x00;
+ buf[10] = 0x00;
+ buf[11] = 0x00;
+ switch (ab_type[i])
+ {
+ case 0: /* write watch */
+ buf[12] = 0x86;
+ break;
+ case 1: /* read watch */
+ buf[12] = 0x46;
+ break;
+ case 2: /* access watch */
+ buf[12] = 0x06;
+ break;
+ }
+ }
+ else
+ {
+ switch (ab_type[i])
+ {
+ case 0: /* write watch */
+ buf[9] = 0x86;
+ break;
+ case 1: /* read watch */
+ buf[9] = 0x46;
+ break;
+ case 2: /* access watch */
+ buf[9] = 0x06;
+ break;
+ }
+ buf[10] = 0x00;
+ buf[11] = 0x00;
+ buf[12] = 0x00;
+ }
+ send_data (buf, 13);
+
+ /* DBAH register */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8180 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_unsigned_integer (buf + 9, 4, ab_addr);
+ send_data (buf, 13);
+
+ /* DBAL register */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8200 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_long_parameter (buf + 9, 0xffffffff);
+ send_data (buf, 13);
+
+ /* DBD register */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8280 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_long_parameter (buf + 9, 0x00000000);
+ send_data (buf, 13);
+
+ /* DBDM register */
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8300 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_long_parameter (buf + 9, 0x00000000);
+ send_data (buf, 13);
+ }
+ }
+
+ /* Unset PBP. */
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_PBP;
+ store_long_parameter (buf + 2, 0x00000000);
+ send_data (buf, 6);
+ }
+
+ buf[0] = SDI_EXEC_CPU;
+ send_data (buf, 1);
+
+ /* Without this, some commands which require an active target (such as kill)
+ won't work. This variable serves (at least) double duty as both the pid
+ of the target process (if it has such), and as a flag indicating that a
+ target is active. These functions should be split out into seperate
+ variables, especially since GDB will someday have a notion of debugging
+ several processes. */
+ inferior_ptid = pid_to_ptid (32);
+
+ return;
+}
+
+/* Wait until the remote machine stops, then return,
+ storing status in STATUS just as `wait' would. */
+
+static void
+gdb_cntrl_c (int signo)
+{
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "interrupt\n");
+ interrupted = 1;
+}
+
+static ptid_t
+m32r_wait (ptid_t ptid, struct target_waitstatus *status)
+{
+ static RETSIGTYPE (*prev_sigint) ();
+ unsigned long bp_addr, pc_addr;
+ long i;
+ unsigned char buf[13];
+ unsigned long val;
+ int ret, c;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_wait()\n");
+
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.sig = 0;
+
+ interrupted = 0;
+ prev_sigint = signal (SIGINT, gdb_cntrl_c);
+
+ /* Wait for ready */
+ buf[0] = SDI_WAIT_FOR_READY;
+ if (serial_write (sdi_desc, buf, 1) != 0)
+ error ("Remote connection closed");
+
+ while (1)
+ {
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+ if (c < 0)
+ error ("Remote connection closed");
+
+ if (c == '-') /* error */
+ {
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_HUP;
+ return inferior_ptid;
+ }
+ else if (c == '+') /* stopped */
+ break;
+
+ if (interrupted)
+ ret = serial_write (sdi_desc, "!", 1); /* packet to interrupt */
+ else
+ ret = serial_write (sdi_desc, ".", 1); /* packet to wait */
+ if (ret != 0)
+ error ("Remote connection closed");
+ }
+
+ status->kind = TARGET_WAITKIND_STOPPED;
+ if (interrupted)
+ status->value.sig = TARGET_SIGNAL_INT;
+ else
+ status->value.sig = TARGET_SIGNAL_TRAP;
+
+ interrupted = 0;
+ signal (SIGINT, prev_sigint);
+
+ check_mmu_status ();
+
+ /* Recover parallel bit. */
+ if (last_pc_addr != 0xffffffff)
+ {
+ buf[0] = SDI_WRITE_MEMORY;
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ store_long_parameter (buf + 1, last_pc_addr);
+ else
+ store_long_parameter (buf + 1, last_pc_addr - 1);
+ store_long_parameter (buf + 5, 1);
+ buf[9] = last_pc_addr_data[0];
+ send_data (buf, 10);
+ last_pc_addr = 0xffffffff;
+ }
+
+ /* Breakpoints are inserted only for "next" command */
+ if (!step_mode)
+ {
+ int ib_breakpoints;
+
+ if (use_ib_breakpoints)
+ ib_breakpoints = max_ib_breakpoints;
+ else
+ ib_breakpoints = 0;
+
+ /* Set back pc by 2 if m32r is stopped with dbt. */
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_BPC;
+ send_data (buf, 2);
+ recv_data (&val, 4);
+ pc_addr = ntohl (val) - 2;
+ for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++)
+ {
+ if (pc_addr == bp_address[i])
+ {
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_BPC;
+ store_long_parameter (buf + 2, pc_addr);
+ send_data (buf, 6);
+
+ /* If there is a parallel instruction with +2 offset at pc
+ address, we have to take care of it later. */
+ if ((pc_addr & 0x2) != 0)
+ {
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ if ((bp_data[i][2] & 0x80) != 0)
+ {
+ last_pc_addr = pc_addr;
+ last_pc_addr_data[0] = bp_data[i][2];
+ last_pc_addr_data[1] = bp_data[i][3];
+ }
+ }
+ else
+ {
+ if ((bp_data[i][1] & 0x80) != 0)
+ {
+ last_pc_addr = pc_addr;
+ last_pc_addr_data[0] = bp_data[i][1];
+ last_pc_addr_data[1] = bp_data[i][0];
+ }
+ }
+ }
+ break;
+ }
+ }
+
+ /* Remove ib breakpoints. */
+ for (i = 0; i < ib_breakpoints; i++)
+ {
+ if (bp_address[i] != 0xffffffff)
+ {
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8000 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ buf[9] = ib_bp_entry_disable[0];
+ buf[10] = ib_bp_entry_disable[1];
+ buf[11] = ib_bp_entry_disable[2];
+ buf[12] = ib_bp_entry_disable[3];
+ send_data (buf, 13);
+ }
+ }
+ /* Remove dbt breakpoints. */
+ for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++)
+ {
+ bp_addr = bp_address[i];
+ if (bp_addr != 0xffffffff)
+ {
+ if (!mmu_on)
+ bp_addr &= 0x7fffffff;
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, bp_addr & 0xfffffffc);
+ store_long_parameter (buf + 5, 4);
+ buf[9] = bp_data[i][0];
+ buf[10] = bp_data[i][1];
+ buf[11] = bp_data[i][2];
+ buf[12] = bp_data[i][3];
+ send_data (buf, 13);
+ }
+ }
+
+ /* Remove access breaks. */
+ hit_watchpoint_addr = 0;
+ for (i = 0; i < max_access_breaks; i++)
+ {
+ if (ab_address[i] != 0x00000000)
+ {
+ buf[0] = SDI_READ_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8100 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ serial_write (sdi_desc, buf, 9);
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+ if (c != '-' && recv_data (buf, 4) != -1)
+ {
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ if ((buf[3] & 0x1) == 0x1)
+ hit_watchpoint_addr = ab_address[i];
+ }
+ else
+ {
+ if ((buf[0] & 0x1) == 0x1)
+ hit_watchpoint_addr = ab_address[i];
+ }
+ }
+
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, 0xffff8100 + 4 * i);
+ store_long_parameter (buf + 5, 4);
+ store_long_parameter (buf + 9, 0x00000000);
+ send_data (buf, 13);
+ }
+ }
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "pc => 0x%lx\n", pc_addr);
+ }
+ else
+ last_pc_addr = 0xffffffff;
+
+ return inferior_ptid;
+}
+
+/* Terminate the open connection to the remote debugger.
+ Use this when you want to detach and do something else
+ with your gdb. */
+static void
+m32r_detach (char *args, int from_tty)
+{
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_detach(%d)\n", from_tty);
+
+ m32r_resume (inferior_ptid, 0, 0);
+
+ /* calls m32r_close to do the real work */
+ pop_target ();
+ if (from_tty)
+ fprintf_unfiltered (gdb_stdlog, "Ending remote %s debugging\n",
+ target_shortname);
+}
+
+/* Return the id of register number REGNO. */
+
+static int
+get_reg_id (int regno)
+{
+ switch (regno)
+ {
+ case 20:
+ return SDI_REG_BBPC;
+ case 21:
+ return SDI_REG_BPC;
+ case 22:
+ return SDI_REG_ACCL;
+ case 23:
+ return SDI_REG_ACCH;
+ case 24:
+ return SDI_REG_EVB;
+ }
+
+ return regno;
+}
+
+/* Read the remote registers into the block REGS. */
+
+static void m32r_fetch_register (int);
+
+static void
+m32r_fetch_registers (void)
+{
+ int regno;
+
+ for (regno = 0; regno < NUM_REGS; regno++)
+ m32r_fetch_register (regno);
+}
+
+/* Fetch register REGNO, or all registers if REGNO is -1.
+ Returns errno value. */
+static void
+m32r_fetch_register (int regno)
+{
+ unsigned long val, val2, regid;
+ unsigned char buf[2];
+
+ if (regno == -1)
+ m32r_fetch_registers ();
+ else
+ {
+ char buffer[MAX_REGISTER_SIZE];
+
+ regid = get_reg_id (regno);
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = regid;
+ send_data (buf, 2);
+ recv_data (&val, 4);
+ val = ntohl (val);
+
+ if (regid == SDI_REG_PSW)
+ {
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_BBPSW;
+ send_data (buf, 2);
+ recv_data (&val2, 4);
+ val2 = ntohl (val2);
+ val = ((0x00c1 & val2) << 8) | ((0xc100 & val) >> 8);
+ }
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_fetch_register(%d,0x%08lx)\n",
+ regno, val);
+
+ /* We got the number the register holds, but gdb expects to see a
+ value in the target byte ordering. */
+ store_unsigned_integer (buffer, 4, val);
+ supply_register (regno, buffer);
+ }
+ return;
+}
+
+/* Store the remote registers from the contents of the block REGS. */
+
+static void m32r_store_register (int);
+
+static void
+m32r_store_registers (void)
+{
+ int regno;
+
+ for (regno = 0; regno < NUM_REGS; regno++)
+ m32r_store_register (regno);
+
+ registers_changed ();
+}
+
+/* Store register REGNO, or all if REGNO == 0.
+ Return errno value. */
+static void
+m32r_store_register (int regno)
+{
+ int regid;
+ ULONGEST regval, tmp;
+ unsigned char buf[6];
+
+ if (regno == -1)
+ m32r_store_registers ();
+ else
+ {
+ regcache_cooked_read_unsigned (current_regcache, regno, ®val);
+ regid = get_reg_id (regno);
+
+ if (regid == SDI_REG_PSW)
+ {
+ unsigned long psw, bbpsw;
+
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_PSW;
+ send_data (buf, 2);
+ recv_data (&psw, 4);
+ psw = ntohl (psw);
+
+ buf[0] = SDI_READ_CPU_REG;
+ buf[1] = SDI_REG_BBPSW;
+ send_data (buf, 2);
+ recv_data (&bbpsw, 4);
+ bbpsw = ntohl (bbpsw);
+
+ tmp = (0x00c1 & psw) | ((0x00c1 & regval) << 8);
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_PSW;
+ store_long_parameter (buf + 2, tmp);
+ send_data (buf, 6);
+
+ tmp = (0x0030 & bbpsw) | ((0xc100 & regval) >> 8);
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = SDI_REG_BBPSW;
+ store_long_parameter (buf + 2, tmp);
+ send_data (buf, 6);
+ }
+ else
+ {
+ buf[0] = SDI_WRITE_CPU_REG;
+ buf[1] = regid;
+ store_long_parameter (buf + 2, regval);
+ send_data (buf, 6);
+ }
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_store_register(%d,0x%08lu)\n",
+ regno, (unsigned long) regval);
+ }
+}
+
+/* Get ready to modify the registers array. On machines which store
+ individual registers, this doesn't need to do anything. On machines
+ which store all the registers in one fell swoop, this makes sure
+ that registers contains all the registers from the program being
+ debugged. */
+
+static void
+m32r_prepare_to_store (void)
+{
+ /* Do nothing, since we can store individual regs */
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_prepare_to_store()\n");
+}
+
+static void
+m32r_files_info (struct target_ops *target)
+{
+ char *file = "nothing";
+
+ if (exec_bfd)
+ {
+ file = bfd_get_filename (exec_bfd);
+ printf_filtered ("\tAttached to %s running program %s\n",
+ chip_name, file);
+ }
+}
+
+/* Read/Write memory. */
+static int
+m32r_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write,
+ struct mem_attrib *attrib, struct target_ops *target)
+{
+ unsigned long taddr;
+ unsigned char buf[0x2000];
+ int ret, c;
+
+ taddr = memaddr;
+
+ if (!mmu_on)
+ {
+ if ((taddr & 0xa0000000) == 0x80000000)
+ taddr &= 0x7fffffff;
+ }
+
+ if (remote_debug)
+ {
+ if (write)
+ fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%08lx,%d,write)\n",
+ memaddr, len);
+ else
+ fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%08lx,%d,read)\n",
+ memaddr, len);
+ }
+
+ if (write)
+ {
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, taddr);
+ store_long_parameter (buf + 5, len);
+ if (len < 0x1000)
+ {
+ memcpy (buf + 9, myaddr, len);
+ ret = send_data (buf, len + 9) - 9;
+ }
+ else
+ {
+ if (serial_write (sdi_desc, buf, 9) != 0)
+ {
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog,
+ "m32r_xfer_memory() failed\n");
+ return 0;
+ }
+ ret = send_data (myaddr, len);
+ }
+ }
+ else
+ {
+ buf[0] = SDI_READ_MEMORY;
+ store_long_parameter (buf + 1, taddr);
+ store_long_parameter (buf + 5, len);
+ if (serial_write (sdi_desc, buf, 9) != 0)
+ {
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n");
+ return 0;
+ }
+
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+ if (c < 0 || c == '-')
+ {
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n");
+ return 0;
+ }
+
+ ret = recv_data (myaddr, len);
+ }
+
+ if (ret <= 0)
+ {
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() fails\n");
+ return 0;
+ }
+
+ return ret;
+}
+
+static void
+m32r_kill (void)
+{
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_kill()\n");
+
+ inferior_ptid = null_ptid;
+
+ return;
+}
+
+/* Clean up when a program exits.
+
+ The program actually lives on in the remote processor's RAM, and may be
+ run again without a download. Don't leave it full of breakpoint
+ instructions. */
+
+static void
+m32r_mourn_inferior (void)
+{
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_mourn_inferior()\n");
+
+ remove_breakpoints ();
+ generic_mourn_inferior ();
+}
+
+static int
+m32r_insert_breakpoint (CORE_ADDR addr, char *shadow)
+{
+ int ib_breakpoints;
+ unsigned char buf[13];
+ int i, c;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_insert_breakpoint(%08lx,\"%s\")\n",
+ addr, shadow);
+
+ if (use_ib_breakpoints)
+ ib_breakpoints = max_ib_breakpoints;
+ else
+ ib_breakpoints = 0;
+
+ for (i = 0; i < MAX_BREAKPOINTS; i++)
+ {
+ if (bp_address[i] == 0xffffffff)
+ {
+ bp_address[i] = addr;
+ if (i >= ib_breakpoints)
+ {
+ buf[0] = SDI_READ_MEMORY;
+ if (mmu_on)
+ store_long_parameter (buf + 1, addr & 0xfffffffc);
+ else
+ store_long_parameter (buf + 1, addr & 0x7ffffffc);
+ store_long_parameter (buf + 5, 4);
+ serial_write (sdi_desc, buf, 9);
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+ if (c != '-')
+ recv_data (bp_data[i], 4);
+ }
+ return 0;
+ }
+ }
+
+ error ("Too many breakpoints");
+ return 1;
+}
+
+static int
+m32r_remove_breakpoint (CORE_ADDR addr, char *shadow)
+{
+ int i;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_remove_breakpoint(%08lx,\"%s\")\n",
+ addr, shadow);
+
+ for (i = 0; i < MAX_BREAKPOINTS; i++)
+ {
+ if (bp_address[i] == addr)
+ {
+ bp_address[i] = 0xffffffff;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static void
+m32r_load (char *args, int from_tty)
+{
+ struct cleanup *old_chain;
+ asection *section;
+ bfd *pbfd;
+ bfd_vma entry;
+ char *filename;
+ int quiet;
+ int nostart;
+ time_t start_time, end_time; /* Start and end times of download */
+ unsigned long data_count; /* Number of bytes transferred to memory */
+ int ret;
+ static RETSIGTYPE (*prev_sigint) ();
+
+ /* for direct tcp connections, we can do a fast binary download */
+ quiet = 0;
+ nostart = 0;
+ filename = NULL;
+
+ while (*args != '\000')
+ {
+ char *arg;
+
+ while (isspace (*args))
+ args++;
+
+ arg = args;
+
+ while ((*args != '\000') && !isspace (*args))
+ args++;
+
+ if (*args != '\000')
+ *args++ = '\000';
+
+ if (*arg != '-')
+ filename = arg;
+ else if (strncmp (arg, "-quiet", strlen (arg)) == 0)
+ quiet = 1;
+ else if (strncmp (arg, "-nostart", strlen (arg)) == 0)
+ nostart = 1;
+ else
+ error ("Unknown option `%s'", arg);
+ }
+
+ if (!filename)
+ filename = get_exec_file (1);
+
+ pbfd = bfd_openr (filename, gnutarget);
+ if (pbfd == NULL)
+ {
+ perror_with_name (filename);
+ return;
+ }
+ old_chain = make_cleanup_bfd_close (pbfd);
+
+ if (!bfd_check_format (pbfd, bfd_object))
+ error ("\"%s\" is not an object file: %s", filename,
+ bfd_errmsg (bfd_get_error ()));
+
+ start_time = time (NULL);
+ data_count = 0;
+
+ interrupted = 0;
+ prev_sigint = signal (SIGINT, gdb_cntrl_c);
+
+ for (section = pbfd->sections; section; section = section->next)
+ {
+ if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
+ {
+ bfd_vma section_address;
+ bfd_size_type section_size;
+ file_ptr fptr;
+ int n;
+
+ section_address = bfd_section_lma (pbfd, section);
+ section_size = bfd_get_section_size_before_reloc (section);
+
+ if (!mmu_on)
+ {
+ if ((section_address & 0xa0000000) == 0x80000000)
+ section_address &= 0x7fffffff;
+ }
+
+ if (!quiet)
+ printf_filtered ("[Loading section %s at 0x%lx (%d bytes)]\n",
+ bfd_get_section_name (pbfd, section),
+ section_address, (int) section_size);
+
+ fptr = 0;
+
+ data_count += section_size;
+
+ n = 0;
+ while (section_size > 0)
+ {
+ char unsigned buf[0x1000 + 9];
+ int count;
+
+ count = min (section_size, 0x1000);
+
+ buf[0] = SDI_WRITE_MEMORY;
+ store_long_parameter (buf + 1, section_address);
+ store_long_parameter (buf + 5, count);
+
+ bfd_get_section_contents (pbfd, section, buf + 9, fptr, count);
+ if (send_data (buf, count + 9) <= 0)
+ error ("Error while downloading %s section.",
+ bfd_get_section_name (pbfd, section));
+
+ if (!quiet)
+ {
+ printf_unfiltered (".");
+ if (n++ > 60)
+ {
+ printf_unfiltered ("\n");
+ n = 0;
+ }
+ gdb_flush (gdb_stdout);
+ }
+
+ section_address += count;
+ fptr += count;
+ section_size -= count;
+
+ if (interrupted)
+ break;
+ }
+
+ if (!quiet && !interrupted)
+ {
+ printf_unfiltered ("done.\n");
+ gdb_flush (gdb_stdout);
+ }
+ }
+
+ if (interrupted)
+ {
+ printf_unfiltered ("Interrupted.\n");
+ break;
+ }
+ }
+
+ interrupted = 0;
+ signal (SIGINT, prev_sigint);
+
+ end_time = time (NULL);
+
+ /* Make the PC point at the start address */
+ if (exec_bfd)
+ write_pc (bfd_get_start_address (exec_bfd));
+
+ inferior_ptid = null_ptid; /* No process now */
+
+ /* This is necessary because many things were based on the PC at the time
+ that we attached to the monitor, which is no longer valid now that we
+ have loaded new code (and just changed the PC). Another way to do this
+ might be to call normal_stop, except that the stack may not be valid,
+ and things would get horribly confused... */
+
+ clear_symtab_users ();
+
+ if (!nostart)
+ {
+ entry = bfd_get_start_address (pbfd);
+
+ if (!quiet)
+ printf_unfiltered ("[Starting %s at 0x%lx]\n", filename, entry);
+ }
+
+ print_transfer_performance (gdb_stdout, data_count, 0,
+ end_time - start_time);
+
+ do_cleanups (old_chain);
+}
+
+static void
+m32r_stop (void)
+{
+ unsigned char buf[1];
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_stop()\n");
+
+ buf[0] = SDI_STOP_CPU;
+ send_data (buf, 1);
+
+ return;
+}
+
+
+/* Tell whether this target can support a hardware breakpoint.
+ This implements the TARGET_CAN_USE_HARDWARE_WATCHPOINT macro. */
+
+int
+m32r_can_use_hardware_watchpoint (void)
+{
+ return max_access_breaks;
+}
+
+/* Set a data watchpoint. ADDR and LEN should be obvious. TYPE is 0
+ for a write watchpoint, 1 for a read watchpoint, or 2 for a read/write
+ watchpoint. */
+
+int
+m32r_set_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int i;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_set_watchpoint(%08lx,%d,%d)\n",
+ addr, len, type);
+
+ for (i = 0; i < MAX_ACCESS_BREAKS; i++)
+ {
+ if (ab_address[i] == 0x00000000)
+ {
+ ab_address[i] = addr;
+ ab_size[i] = len;
+ ab_type[i] = type;
+ return 0;
+ }
+ }
+
+ error ("Too many watchpoints");
+ return 1;
+}
+
+int
+m32r_remove_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int i;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_remove_watchpoint(%08lx,%d,%d)\n",
+ addr, len, type);
+
+ for (i = 0; i < MAX_ACCESS_BREAKS; i++)
+ {
+ if (ab_address[i] == addr)
+ {
+ ab_address[i] = 0x00000000;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+CORE_ADDR
+m32r_stopped_data_address (void)
+{
+ return hit_watchpoint_addr;
+}
+
+int
+m32r_stopped_by_watchpoint (void)
+{
+ return (hit_watchpoint_addr != 0x00000000);
+}
+
+
+static void
+sdireset_command (char *args, int from_tty)
+{
+ unsigned char buf[1];
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n");
+
+ buf[0] = SDI_OPEN;
+ send_data (buf, 1);
+
+ inferior_ptid = null_ptid;
+}
+
+
+static void
+sdistatus_command (char *args, int from_tty)
+{
+ unsigned char buf[4096];
+ int i, c;
+
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n");
+
+ if (!sdi_desc)
+ return;
+
+ buf[0] = SDI_STATUS;
+ send_data (buf, 1);
+ for (i = 0; i < 4096; i++)
+ {
+ c = serial_readchar (sdi_desc, SDI_TIMEOUT);
+ if (c < 0)
+ return;
+ buf[i] = c;
+ if (c == 0)
+ break;
+ }
+
+ printf_filtered ("%s", buf);
+}
+
+
+static void
+debug_chaos_command (char *args, int from_tty)
+{
+ unsigned char buf[3];
+
+ buf[0] = SDI_SET_ATTR;
+ buf[1] = SDI_ATTR_CACHE;
+ buf[2] = SDI_CACHE_TYPE_CHAOS;
+ send_data (buf, 3);
+}
+
+
+static void
+use_debug_dma_command (char *args, int from_tty)
+{
+ unsigned char buf[3];
+
+ buf[0] = SDI_SET_ATTR;
+ buf[1] = SDI_ATTR_MEM_ACCESS;
+ buf[2] = SDI_MEM_ACCESS_DEBUG_DMA;
+ send_data (buf, 3);
+}
+
+static void
+use_mon_code_command (char *args, int from_tty)
+{
+ unsigned char buf[3];
+
+ buf[0] = SDI_SET_ATTR;
+ buf[1] = SDI_ATTR_MEM_ACCESS;
+ buf[2] = SDI_MEM_ACCESS_MON_CODE;
+ send_data (buf, 3);
+}
+
+
+static void
+use_ib_breakpoints_command (char *args, int from_tty)
+{
+ use_ib_breakpoints = 1;
+}
+
+static void
+use_dbt_breakpoints_command (char *args, int from_tty)
+{
+ use_ib_breakpoints = 0;
+}
+
+
+/* Define the target subroutine names */
+
+struct target_ops m32r_ops;
+
+static void
+init_m32r_ops (void)
+{
+ m32r_ops.to_shortname = "m32rsdi";
+ m32r_ops.to_longname = "Remote M32R debugging over SDI interface";
+ m32r_ops.to_doc = "Use an M32R board using SDI debugging protocol.";
+ m32r_ops.to_open = m32r_open;
+ m32r_ops.to_close = m32r_close;
+ m32r_ops.to_detach = m32r_detach;
+ m32r_ops.to_resume = m32r_resume;
+ m32r_ops.to_wait = m32r_wait;
+ m32r_ops.to_fetch_registers = m32r_fetch_register;
+ m32r_ops.to_store_registers = m32r_store_register;
+ m32r_ops.to_prepare_to_store = m32r_prepare_to_store;
+ m32r_ops.to_xfer_memory = m32r_xfer_memory;
+ m32r_ops.to_files_info = m32r_files_info;
+ m32r_ops.to_insert_breakpoint = m32r_insert_breakpoint;
+ m32r_ops.to_remove_breakpoint = m32r_remove_breakpoint;
+ m32r_ops.to_kill = m32r_kill;
+ m32r_ops.to_load = m32r_load;
+ m32r_ops.to_create_inferior = m32r_create_inferior;
+ m32r_ops.to_mourn_inferior = m32r_mourn_inferior;
+ m32r_ops.to_stop = m32r_stop;
+ m32r_ops.to_stratum = process_stratum;
+ m32r_ops.to_has_all_memory = 1;
+ m32r_ops.to_has_memory = 1;
+ m32r_ops.to_has_stack = 1;
+ m32r_ops.to_has_registers = 1;
+ m32r_ops.to_has_execution = 1;
+ m32r_ops.to_magic = OPS_MAGIC;
+};
+
+
+extern initialize_file_ftype _initialize_remote_m32r;
+
+void
+_initialize_remote_m32r (void)
+{
+ int i;
+
+ init_m32r_ops ();
+
+ /* Initialize breakpoints. */
+ for (i = 0; i < MAX_BREAKPOINTS; i++)
+ bp_address[i] = 0xffffffff;
+
+ /* Initialize access breaks. */
+ for (i = 0; i < MAX_ACCESS_BREAKS; i++)
+ ab_address[i] = 0x00000000;
+
+ add_target (&m32r_ops);
+
+ add_com ("sdireset", class_obscure, sdireset_command,
+ "Reset SDI connection.");
+
+ add_com ("sdistatus", class_obscure, sdistatus_command,
+ "Show status of SDI connection.");
+
+ add_com ("debug_chaos", class_obscure, debug_chaos_command,
+ "Debug M32R/Chaos.");
+
+ add_com ("use_debug_dma", class_obscure, use_debug_dma_command,
+ "Use debug DMA mem access.");
+ add_com ("use_mon_code", class_obscure, use_mon_code_command,
+ "Use mon code mem access.");
+
+ add_com ("use_ib_break", class_obscure, use_ib_breakpoints_command,
+ "Set breakpoints by IB break.");
+ add_com ("use_dbt_break", class_obscure, use_dbt_breakpoints_command,
+ "Set breakpoints by dbt.");
+}
projects / binutils-gdb.git / commitdiff