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kconfig: allow compiling out QEMU device tree code per target

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Introduce a new Kconfig symbol, CONFIG_DEVICE_TREE, that specifies whether
to include the common device tree code in system/device_tree.c and to
link to libfdt.  For now, include it unconditionally if libfdt is
available.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-05-07 14:13:46 +02:00
parent 7a6f3343b6
commit 1935b7ead1
10 changed files with 45 additions and 18 deletions
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17
monitor/hmp-cmds.c
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@ -22,6 +22,7 @@
#include "monitor/monitor-internal.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-control.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-commands-misc.h"
#include "qapi/qmp/qdict.h"
#include "qemu/cutils.h"
@ -443,3 +444,19 @@ void hmp_info_mtree(Monitor *mon, const QDict *qdict)
mtree_info(flatview, dispatch_tree, owner, disabled);
}
#if defined(CONFIG_FDT)
void hmp_dumpdtb(Monitor *mon, const QDict *qdict)
{
const char *filename = qdict_get_str(qdict, "filename");
Error *local_err = NULL;
qmp_dumpdtb(filename, &local_err);
if (hmp_handle_error(mon, local_err)) {
return;
}
monitor_printf(mon, "dtb dumped to %s", filename);
}
#endif