* It does not implement multiple sectors erase
*/
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/block/flash.h"
+#include "qapi/error.h"
#include "qemu/timer.h"
-#include "block/block.h"
+#include "sysemu/block-backend.h"
#include "exec/address-spaces.h"
#include "qemu/host-utils.h"
#include "hw/sysbus.h"
#ifdef PFLASH_DEBUG
#define DPRINTF(fmt, ...) \
do { \
- fprintf(stderr "PFLASH: " fmt , ## __VA_ARGS__); \
+ fprintf(stderr, "PFLASH: " fmt , ## __VA_ARGS__); \
} while (0)
#else
#define DPRINTF(fmt, ...) do { } while (0)
#define PFLASH_LAZY_ROMD_THRESHOLD 42
+#define TYPE_CFI_PFLASH02 "cfi.pflash02"
+#define CFI_PFLASH02(obj) OBJECT_CHECK(pflash_t, (obj), TYPE_CFI_PFLASH02)
+
struct pflash_t {
- SysBusDevice busdev;
- BlockDriverState *bs;
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
+ BlockBackend *blk;
uint32_t sector_len;
uint32_t nb_blocs;
uint32_t chip_len;
int size)
{
int offset_end;
- if (pfl->bs) {
+ if (pfl->blk) {
offset_end = offset + size;
/* round to sectors */
offset = offset >> 9;
offset_end = (offset_end + 511) >> 9;
- bdrv_write(pfl->bs, offset, pfl->storage + (offset << 9),
- offset_end - offset);
+ blk_write(pfl->blk, offset, pfl->storage + (offset << 9),
+ offset_end - offset);
}
}
}
pfl->status = 0x00;
/* Let's wait 5 seconds before chip erase is done */
- qemu_mod_timer(pfl->timer,
- qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() * 5));
+ timer_mod(pfl->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+ (NANOSECONDS_PER_SECOND * 5));
break;
case 0x30:
/* Sector erase */
}
pfl->status = 0x00;
/* Let's wait 1/2 second before sector erase is done */
- qemu_mod_timer(pfl->timer,
- qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 2));
+ timer_mod(pfl->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+ (NANOSECONDS_PER_SECOND / 2));
break;
default:
DPRINTF("%s: invalid command %02x (wc 5)\n", __func__, cmd);
.endianness = DEVICE_NATIVE_ENDIAN,
};
-static int pflash_cfi02_init(SysBusDevice *dev)
+static void pflash_cfi02_realize(DeviceState *dev, Error **errp)
{
- pflash_t *pfl = FROM_SYSBUS(typeof(*pfl), dev);
+ pflash_t *pfl = CFI_PFLASH02(dev);
uint32_t chip_len;
int ret;
+ Error *local_err = NULL;
chip_len = pfl->sector_len * pfl->nb_blocs;
/* XXX: to be fixed */
memory_region_init_rom_device(&pfl->orig_mem, OBJECT(pfl), pfl->be ?
&pflash_cfi02_ops_be : &pflash_cfi02_ops_le,
- pfl, pfl->name, chip_len);
+ pfl, pfl->name, chip_len, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
vmstate_register_ram(&pfl->orig_mem, DEVICE(pfl));
pfl->storage = memory_region_get_ram_ptr(&pfl->orig_mem);
pfl->chip_len = chip_len;
- if (pfl->bs) {
+ if (pfl->blk) {
/* read the initial flash content */
- ret = bdrv_read(pfl->bs, 0, pfl->storage, chip_len >> 9);
+ ret = blk_read(pfl->blk, 0, pfl->storage, chip_len >> 9);
if (ret < 0) {
- g_free(pfl);
- return 1;
+ vmstate_unregister_ram(&pfl->orig_mem, DEVICE(pfl));
+ error_setg(errp, "failed to read the initial flash content");
+ return;
}
}
pflash_setup_mappings(pfl);
pfl->rom_mode = 1;
- sysbus_init_mmio(dev, &pfl->mem);
+ sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem);
- if (pfl->bs) {
- pfl->ro = bdrv_is_read_only(pfl->bs);
+ if (pfl->blk) {
+ pfl->ro = blk_is_read_only(pfl->blk);
} else {
pfl->ro = 0;
}
- pfl->timer = qemu_new_timer_ns(vm_clock, pflash_timer, pfl);
+ pfl->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
pfl->wcycle = 0;
pfl->cmd = 0;
pfl->status = 0;
pfl->cfi_table[0x3b] = 0x00;
pfl->cfi_table[0x3c] = 0x00;
-
- return 0;
}
static Property pflash_cfi02_properties[] = {
- DEFINE_PROP_DRIVE("drive", struct pflash_t, bs),
+ DEFINE_PROP_DRIVE("drive", struct pflash_t, blk),
DEFINE_PROP_UINT32("num-blocks", struct pflash_t, nb_blocs, 0),
DEFINE_PROP_UINT32("sector-length", struct pflash_t, sector_len, 0),
DEFINE_PROP_UINT8("width", struct pflash_t, width, 0),
static void pflash_cfi02_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
- k->init = pflash_cfi02_init;
+ dc->realize = pflash_cfi02_realize;
dc->props = pflash_cfi02_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo pflash_cfi02_info = {
- .name = "cfi.pflash02",
+ .name = TYPE_CFI_PFLASH02,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(struct pflash_t),
.class_init = pflash_cfi02_class_init,
pflash_t *pflash_cfi02_register(hwaddr base,
DeviceState *qdev, const char *name,
hwaddr size,
- BlockDriverState *bs, uint32_t sector_len,
+ BlockBackend *blk, uint32_t sector_len,
int nb_blocs, int nb_mappings, int width,
uint16_t id0, uint16_t id1,
uint16_t id2, uint16_t id3,
uint16_t unlock_addr0, uint16_t unlock_addr1,
int be)
{
- DeviceState *dev = qdev_create(NULL, "cfi.pflash02");
- SysBusDevice *busdev = SYS_BUS_DEVICE(dev);
- pflash_t *pfl = (pflash_t *)object_dynamic_cast(OBJECT(dev),
- "cfi.pflash02");
+ DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH02);
- if (bs && qdev_prop_set_drive(dev, "drive", bs)) {
- abort();
+ if (blk) {
+ qdev_prop_set_drive(dev, "drive", blk, &error_abort);
}
qdev_prop_set_uint32(dev, "num-blocks", nb_blocs);
qdev_prop_set_uint32(dev, "sector-length", sector_len);
qdev_prop_set_string(dev, "name", name);
qdev_init_nofail(dev);
- sysbus_mmio_map(busdev, 0, base);
- return pfl;
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
+ return CFI_PFLASH02(dev);
}
projects / mirror_qemu.git / blobdiff