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Add RTOS memory read/write functions.

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If not implemented, these specify to regular target read/write. However,
if individual threads in an RTOS can have different address translation
configured then the RTOS support can use this to do the right thing.

Use this in hwthread, where of course address translation can be set up
differently for different real cores.

Change-Id: I62c501cff1f863d855ee197dee7b73204ea8885a
Signed-off-by: Tim Newsome <tim@sifive.com>
Reviewed-on: http://openocd.zylin.com/6327
Tested-by: jenkins
Reviewed-by: Marc Schink <dev@zapb.de>
Reviewed-by: Jan Matyas <matyas@codasip.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Tim Newsome
2021-06-21 14:37:41 -07:00
committed by Antonio Borneo
parent c8e643fd9f
commit 6ad89d61af
4 changed files with 79 additions and 3 deletions
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19
src/server/gdb_server.c
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@@ -1494,7 +1494,11 @@ static int gdb_read_memory_packet(struct connection *connection,
LOG_DEBUG("addr: 0x%16.16" PRIx64 ", len: 0x%8.8" PRIx32 "", addr, len);
retval = target_read_buffer(target, addr, len, buffer);
retval = ERROR_NOT_IMPLEMENTED;
if (target->rtos)
retval = rtos_read_buffer(target, addr, len, buffer);
if (retval == ERROR_NOT_IMPLEMENTED)
retval = target_read_buffer(target, addr, len, buffer);
if ((retval != ERROR_OK) && !gdb_report_data_abort) {
/* TODO : Here we have to lie and send back all zero's lest stack traces won't work.
@@ -1565,7 +1569,11 @@ static int gdb_write_memory_packet(struct connection *connection,
if (unhexify(buffer, separator, len) != len)
LOG_ERROR("unable to decode memory packet");
retval = target_write_buffer(target, addr, len, buffer);
retval = ERROR_NOT_IMPLEMENTED;
if (target->rtos)
retval = rtos_write_buffer(target, addr, len, buffer);
if (retval == ERROR_NOT_IMPLEMENTED)
retval = target_write_buffer(target, addr, len, buffer);
if (retval == ERROR_OK)
gdb_put_packet(connection, "OK", 2);
@@ -1634,7 +1642,12 @@ static int gdb_write_memory_binary_packet(struct connection *connection,
if (len) {
LOG_DEBUG("addr: 0x%" PRIx64 ", len: 0x%8.8" PRIx32 "", addr, len);
retval = target_write_buffer(target, addr, len, (uint8_t *)separator);
retval = ERROR_NOT_IMPLEMENTED;
if (target->rtos)
retval = rtos_write_buffer(target, addr, len, (uint8_t *)separator);
if (retval == ERROR_NOT_IMPLEMENTED)
retval = target_write_buffer(target, addr, len, (uint8_t *)separator);
if (retval != ERROR_OK)
gdb_connection->mem_write_error = true;
}