mac_oldworld: Allow specifying nvram backing store

Add a way to set a backing store for the mac_nvram. Use -drive
file=nvram.img,format=raw,if=mtd to specify backing file where
nvram.img must be MACIO_NVRAM_SIZE which is 8192 bytes.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <1aadee8f0ca0f56cf1b7c45c3944676a07d91de9.1675297286.git.balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
BALATON Zoltan 2023-02-02 01:24:06 +01:00 committed by Mark Cave-Ayland
parent 1f7888e225
commit 5df3eb4d36

View File

@ -102,7 +102,7 @@ static void ppc_heathrow_init(MachineState *machine)
DeviceState *dev, *pic_dev, *grackle_dev;
BusState *adb_bus;
uint16_t ppc_boot_device;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
DriveInfo *dinfo, *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
void *fw_cfg;
uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ;
@ -245,6 +245,12 @@ static void ppc_heathrow_init(MachineState *machine)
qdev_prop_set_chr(dev, "chrA", serial_hd(0));
qdev_prop_set_chr(dev, "chrB", serial_hd(1));
dinfo = drive_get(IF_MTD, 0, 0);
if (dinfo) {
dev = DEVICE(object_resolve_path_component(macio, "nvram"));
qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo));
}
pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));