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-rw-r--r--hw/block/pflash_cfi01.c28
-rw-r--r--hw/i386/pc_sysfw.c16
-rw-r--r--include/hw/block/flash.h1
3 files changed, 31 insertions, 14 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;
diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c
index 75925f5..751fcaf 100644
--- a/hw/i386/pc_sysfw.c
+++ b/hw/i386/pc_sysfw.c
@@ -269,9 +269,7 @@ void pc_system_firmware_init(PCMachineState *pcms,
{
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
int i;
- DriveInfo *pflash_drv;
BlockBackend *pflash_blk[ARRAY_SIZE(pcms->flash)];
- Location loc;
if (!pcmc->pci_enabled) {
old_pc_system_rom_init(rom_memory, true);
@@ -280,18 +278,8 @@ void pc_system_firmware_init(PCMachineState *pcms,
/* Map legacy -drive if=pflash to machine properties */
for (i = 0; i < ARRAY_SIZE(pcms->flash); i++) {
- pflash_drv = drive_get(IF_PFLASH, 0, i);
- if (pflash_drv) {
- loc_push_none(&loc);
- qemu_opts_loc_restore(pflash_drv->opts);
- if (pflash_cfi01_get_blk(pcms->flash[i])) {
- error_report("clashes with -machine");
- exit(1);
- }
- qdev_prop_set_drive(DEVICE(pcms->flash[i]), "drive",
- blk_by_legacy_dinfo(pflash_drv), &error_fatal);
- loc_pop(&loc);
- }
+ pflash_cfi01_legacy_drive(pcms->flash[i],
+ drive_get(IF_PFLASH, 0, i));
pflash_blk[i] = pflash_cfi01_get_blk(pcms->flash[i]);
}
diff --git a/include/hw/block/flash.h b/include/hw/block/flash.h
index a0f4887..1acaf7d 100644
--- a/include/hw/block/flash.h
+++ b/include/hw/block/flash.h
@@ -24,6 +24,7 @@ PFlashCFI01 *pflash_cfi01_register(hwaddr base,
int be);
BlockBackend *pflash_cfi01_get_blk(PFlashCFI01 *fl);
MemoryRegion *pflash_cfi01_get_memory(PFlashCFI01 *fl);
+void pflash_cfi01_legacy_drive(PFlashCFI01 *dev, DriveInfo *dinfo);
/* pflash_cfi02.c */