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-rw-r--r--hw/block/pflash_cfi01.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
index 16dfae1..333b736 100644
--- a/hw/block/pflash_cfi01.c
+++ b/hw/block/pflash_cfi01.c
@@ -44,9 +44,12 @@
#include "qapi/error.h"
#include "qemu/timer.h"
#include "qemu/bitops.h"
+#include "qemu/error-report.h"
#include "qemu/host-utils.h"
#include "qemu/log.h"
+#include "qemu/option.h"
#include "hw/sysbus.h"
+#include "sysemu/blockdev.h"
#include "sysemu/sysemu.h"
#include "trace.h"
@@ -968,6 +971,31 @@ MemoryRegion *pflash_cfi01_get_memory(PFlashCFI01 *fl)
return &fl->mem;
}
+/*
+ * Handle -drive if=pflash for machines that use properties.
+ * If @dinfo is null, do nothing.
+ * Else if @fl's property "drive" is already set, fatal error.
+ * Else set it to the BlockBackend with @dinfo.
+ */
+void pflash_cfi01_legacy_drive(PFlashCFI01 *fl, DriveInfo *dinfo)
+{
+ Location loc;
+
+ if (!dinfo) {
+ return;
+ }
+
+ loc_push_none(&loc);
+ qemu_opts_loc_restore(dinfo->opts);
+ if (fl->blk) {
+ error_report("clashes with -machine");
+ exit(1);
+ }
+ qdev_prop_set_drive(DEVICE(fl), "drive",
+ blk_by_legacy_dinfo(dinfo), &error_fatal);
+ loc_pop(&loc);
+}
+
static void postload_update_cb(void *opaque, int running, RunState state)
{
PFlashCFI01 *pfl = opaque;