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qapi: introduce x-query-roms QMP command

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This is a counterpart to the HMP "info roms" command. It is being
added with an "x-" prefix because this QMP command is intended as an
adhoc debugging tool and will thus not be modelled in QAPI as fully
structured data, nor will it have long term guaranteed stability.
The existing HMP command is rewritten to call the QMP command.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-09-08 10:35:43 +01:00
parent 3d312f417d
commit dd98234c05
4 changed files with 36 additions and 18 deletions
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2
hmp-commands-info.hx
View File

@ -594,7 +594,7 @@ ERST
.args_type = "",
.params = "",
.help = "show roms",
.cmd = hmp_info_roms,
.cmd_info_hrt = qmp_x_query_roms,
},
SRST

39
hw/core/loader.c
View File

@ -46,6 +46,8 @@
#include "qemu-common.h"
#include "qemu/datadir.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/type-helpers.h"
#include "trace.h"
#include "hw/hw.h"
#include "disas/disas.h"
@ -1474,32 +1476,35 @@ void *rom_ptr_for_as(AddressSpace *as, hwaddr addr, size_t size)
return cbdata.rom;
}
void hmp_info_roms(Monitor *mon, const QDict *qdict)
HumanReadableText *qmp_x_query_roms(Error **errp)
{
Rom *rom;
g_autoptr(GString) buf = g_string_new("");
QTAILQ_FOREACH(rom, &roms, next) {
if (rom->mr) {
monitor_printf(mon, "%s"
" size=0x%06zx name=\"%s\"\n",
memory_region_name(rom->mr),
rom->romsize,
rom->name);
g_string_append_printf(buf, "%s"
" size=0x%06zx name=\"%s\"\n",
memory_region_name(rom->mr),
rom->romsize,
rom->name);
} else if (!rom->fw_file) {
monitor_printf(mon, "addr=" TARGET_FMT_plx
" size=0x%06zx mem=%s name=\"%s\"\n",
rom->addr, rom->romsize,
rom->isrom ? "rom" : "ram",
rom->name);
g_string_append_printf(buf, "addr=" TARGET_FMT_plx
" size=0x%06zx mem=%s name=\"%s\"\n",
rom->addr, rom->romsize,
rom->isrom ? "rom" : "ram",
rom->name);
} else {
monitor_printf(mon, "fw=%s/%s"
" size=0x%06zx name=\"%s\"\n",
rom->fw_dir,
rom->fw_file,
rom->romsize,
rom->name);
g_string_append_printf(buf, "fw=%s/%s"
" size=0x%06zx name=\"%s\"\n",
rom->fw_dir,
rom->fw_file,
rom->romsize,
rom->name);
}
}
return human_readable_text_from_str(buf);
}
typedef enum HexRecord HexRecord;

1
monitor/misc.c
View File

@ -71,6 +71,7 @@
#include "qapi/qapi-commands-misc.h"
#include "qapi/qapi-commands-qom.h"
#include "qapi/qapi-commands-trace.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-init-commands.h"
#include "qapi/error.h"
#include "qapi/qmp-event.h"

12
qapi/machine.json
View File

@ -1411,3 +1411,15 @@
'*cores': 'int',
'*threads': 'int',
'*maxcpus': 'int' } }
##
# @x-query-roms:
#
# Query information on the registered ROMS
#
# Returns: registered ROMs
#
# Since: 6.2
##
{ 'command': 'x-query-roms',
'returns': 'HumanReadableText' }