2004-07-27 Kei Sakamoto <sakamoto.kei@renesas.com>

* remote-m32r-sdi.c: Fix breakpoint bug.
	(send_cmd, send_one_arg_cmd, send_two_arg_cmd, send_three_arg_cmd,
	recv_char_data, recv_long_data): New functions to replace communication
	sequences.
This commit is contained in:
Kazuhiro Inaoka 2004-07-27 01:00:42 +00:00
parent 536517dd94
commit e22f895c47
2 changed files with 352 additions and 392 deletions

View file

@ -1,3 +1,10 @@
2004-07-27 Kei Sakamoto <sakamoto.kei@renesas.com>
* remote-m32r-sdi.c: Fix breakpoint bug.
(send_cmd, send_one_arg_cmd, send_two_arg_cmd, send_three_arg_cmd,
recv_char_data, recv_long_data): New functions to replace communication
sequences.
2004-07-26 Michael Chastain <mec.gnu@mindspring.com>
Document PR threads/1650.

View file

@ -63,12 +63,6 @@ static int use_ib_breakpoints = 1;
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[] = {
@ -224,20 +218,72 @@ store_long_parameter (void *buf, long val)
memcpy (buf, &val, 4);
}
static int
send_cmd (unsigned char cmd)
{
unsigned char buf[1];
buf[0] = cmd;
return send_data (buf, 1);
}
static int
send_one_arg_cmd (unsigned char cmd, unsigned char arg1)
{
unsigned char buf[2];
buf[0] = cmd;
buf[1] = arg1;
return send_data (buf, 2);
}
static int
send_two_arg_cmd (unsigned char cmd, unsigned char arg1, unsigned long arg2)
{
unsigned char buf[6];
buf[0] = cmd;
buf[1] = arg1;
store_long_parameter (buf + 2, arg2);
return send_data (buf, 6);
}
static int
send_three_arg_cmd (unsigned char cmd, unsigned long arg1, unsigned long arg2,
unsigned long arg3)
{
unsigned char buf[13];
buf[0] = cmd;
store_long_parameter (buf + 1, arg1);
store_long_parameter (buf + 5, arg2);
store_long_parameter (buf + 9, arg3);
return send_data (buf, 13);
}
static unsigned char
recv_char_data (void)
{
unsigned char val;
recv_data (&val, 1);
return val;
}
static unsigned long
recv_long_data (void)
{
unsigned long val;
recv_data (&val, 4);
return ntohl (val);
}
/* 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)
if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC) == -1)
return;
recv_data (&val, 4);
val = ntohl (val);
val = recv_long_data ();
if ((val & 0xc0000000) == 0x80000000)
{
mmu_on = 1;
@ -245,12 +291,9 @@ check_mmu_status (void)
}
/* Read EVB address */
buf[0] = SDI_READ_CPU_REG;
buf[1] = SDI_REG_EVB;
if (send_data (buf, 2) == -1)
if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_EVB) == -1)
return;
recv_data (&val, 4);
val = ntohl (val);
val = recv_long_data ();
if ((val & 0xc0000000) == 0x80000000)
{
mmu_on = 1;
@ -308,7 +351,6 @@ m32r_open (char *args, int from_tty)
struct sockaddr_in server_addr;
char *port_str, hostname[256];
int port;
unsigned char buf[2];
int i, n;
int yes = 1;
@ -337,16 +379,12 @@ m32r_open (char *args, int from_tty)
if (get_ack () == -1)
error ("Cannot connect to SDI target\n");
buf[0] = SDI_OPEN;
if (send_data (buf, 1) == -1)
if (send_cmd (SDI_OPEN) == -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];
send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_BRK);
max_ib_breakpoints = recv_char_data ();
if (remote_debug)
printf_filtered ("Max IB Breakpoints = %d\n", max_ib_breakpoints);
@ -355,11 +393,8 @@ m32r_open (char *args, int from_tty)
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];
send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_ABRK);
max_access_breaks = recv_char_data ();
if (remote_debug)
printf_filtered ("Max Access Breaks = %d\n", max_access_breaks);
@ -370,9 +405,7 @@ m32r_open (char *args, int from_tty)
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);
send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_NAME);
recv_data (chip_name, 64);
if (from_tty)
@ -385,15 +418,12 @@ m32r_open (char *args, int from_tty)
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);
send_cmd (SDI_CLOSE);
serial_close (sdi_desc);
sdi_desc = NULL;
}
@ -408,6 +438,7 @@ static void
m32r_resume (ptid_t ptid, int step, enum target_signal sig)
{
unsigned long pc_addr, bp_addr, ab_addr;
int ib_breakpoints;
unsigned char buf[13];
int i;
@ -451,206 +482,181 @@ m32r_resume (ptid_t ptid, int step, enum target_signal sig)
}
/* Set PC. */
buf[0] = SDI_WRITE_CPU_REG;
buf[1] = SDI_REG_BPC;
store_long_parameter (buf + 2, pc_addr);
send_data (buf, 6);
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr);
/* 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);
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, pc_addr | 1);
}
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);
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, 0x00000000);
}
buf[0] = SDI_EXEC_CPU;
send_data (buf, 1);
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)
continue;
/* Set PBP. */
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4,
0x00000006);
else
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4,
0x06000000);
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8080 + 4 * i, 4, bp_addr);
}
/* Set dbt breakpoints. */
for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++)
{
bp_addr = bp_address[i];
if (bp_addr == 0xffffffff)
continue;
if (!mmu_on)
bp_addr &= 0x7fffffff;
/* Write DBT instruction. */
buf[0] = SDI_WRITE_MEMORY;
store_long_parameter (buf + 1, bp_addr);
store_long_parameter (buf + 5, 4);
if ((bp_addr & 2) == 0 && bp_addr != (pc_addr & 0xfffffffc))
{
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];
}
}
else
{
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
if ((bp_addr & 2) == 0)
{
buf[9] = dbt_bp_entry[0];
buf[10] = dbt_bp_entry[1];
buf[11] = bp_data[i][2] & 0x7f;
buf[12] = bp_data[i][3];
}
else
{
buf[9] = bp_data[i][0];
buf[10] = bp_data[i][1];
buf[11] = dbt_bp_entry[0];
buf[12] = dbt_bp_entry[1];
}
}
else
{
if ((bp_addr & 2) == 0)
{
buf[9] = bp_data[i][0];
buf[10] = bp_data[i][1] & 0x7f;
buf[11] = dbt_bp_entry[1];
buf[12] = dbt_bp_entry[0];
}
else
{
buf[9] = dbt_bp_entry[1];
buf[10] = dbt_bp_entry[0];
buf[11] = bp_data[i][2];
buf[12] = bp_data[i][3];
}
}
}
send_data (buf, 13);
}
/* Set access breaks. */
for (i = 0; i < max_access_breaks; i++)
{
ab_addr = ab_address[i];
if (ab_addr == 0x00000000)
continue;
/* DBC register */
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
switch (ab_type[i])
{
case 0: /* write watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x00000086);
break;
case 1: /* read watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x00000046);
break;
case 2: /* access watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x00000006);
break;
}
}
else
{
switch (ab_type[i])
{
case 0: /* write watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x86000000);
break;
case 1: /* read watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x46000000);
break;
case 2: /* access watch */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x06000000);
break;
}
}
/* DBAH register */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8180 + 4 * i, 4, ab_addr);
/* DBAL register */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8200 + 4 * i, 4,
0xffffffff);
/* DBD register */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8280 + 4 * i, 4,
0x00000000);
/* DBDM register */
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8300 + 4 * i, 4,
0x00000000);
}
/* Resume program. */
send_cmd (SDI_EXEC_CPU);
/* 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
@ -679,6 +685,7 @@ m32r_wait (ptid_t ptid, struct target_waitstatus *status)
{
static RETSIGTYPE (*prev_sigint) ();
unsigned long bp_addr, pc_addr;
int ib_breakpoints;
long i;
unsigned char buf[13];
unsigned long val;
@ -746,130 +753,106 @@ m32r_wait (ptid_t ptid, struct target_waitstatus *status)
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);
}
if (use_ib_breakpoints)
ib_breakpoints = max_ib_breakpoints;
else
last_pc_addr = 0xffffffff;
ib_breakpoints = 0;
/* Set back pc by 2 if m32r is stopped with dbt. */
last_pc_addr = 0xffffffff;
send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC);
pc_addr = recv_long_data () - 2;
for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++)
{
if (pc_addr == bp_address[i])
{
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr);
/* 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)
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4,
0x00000000);
}
/* 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_READ_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];
}
}
send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4,
0x00000000);
}
}
if (remote_debug)
fprintf_unfiltered (gdb_stdlog, "pc => 0x%lx\n", pc_addr);
return inferior_ptid;
}
@ -933,7 +916,6 @@ static void
m32r_fetch_register (int regno)
{
unsigned long val, val2, regid;
unsigned char buf[2];
if (regno == -1)
m32r_fetch_registers ();
@ -942,19 +924,13 @@ m32r_fetch_register (int regno)
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);
send_one_arg_cmd (SDI_READ_CPU_REG, regid);
val = recv_long_data ();
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);
send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW);
val2 = recv_long_data ();
val = ((0x00c1 & val2) << 8) | ((0xc100 & val) >> 8);
}
@ -992,7 +968,6 @@ m32r_store_register (int regno)
{
int regid;
ULONGEST regval, tmp;
unsigned char buf[6];
if (regno == -1)
m32r_store_registers ();
@ -1005,36 +980,21 @@ m32r_store_register (int regno)
{
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);
send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_PSW);
psw = recv_long_data ();
buf[0] = SDI_READ_CPU_REG;
buf[1] = SDI_REG_BBPSW;
send_data (buf, 2);
recv_data (&bbpsw, 4);
bbpsw = ntohl (bbpsw);
send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW);
bbpsw = recv_long_data ();
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);
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PSW, tmp);
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);
send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BBPSW, tmp);
}
else
{
buf[0] = SDI_WRITE_CPU_REG;
buf[1] = regid;
store_long_parameter (buf + 2, regval);
send_data (buf, 6);
send_two_arg_cmd (SDI_WRITE_CPU_REG, regid, regval);
}
if (remote_debug)
@ -1422,13 +1382,10 @@ m32r_load (char *args, int from_tty)
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);
send_cmd (SDI_STOP_CPU);
return;
}
@ -1509,13 +1466,10 @@ m32r_stopped_by_watchpoint (void)
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);
send_cmd (SDI_OPEN);
inferior_ptid = null_ptid;
}
@ -1533,8 +1487,7 @@ sdistatus_command (char *args, int from_tty)
if (!sdi_desc)
return;
buf[0] = SDI_STATUS;
send_data (buf, 1);
send_cmd (SDI_STATUS);
for (i = 0; i < 4096; i++)
{
c = serial_readchar (sdi_desc, SDI_TIMEOUT);