qemu/include/hw/timer/m48t59.h
Hervé Poussineau 4374532888 m48t59: add a Nvram interface
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
CC: Andreas Färber <afaerber@suse.de>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2015-03-10 09:18:56 +00:00

62 lines
2.0 KiB
C

#ifndef NVRAM_H
#define NVRAM_H
#include "qemu-common.h"
#include "qom/object.h"
/* NVRAM helpers */
typedef uint32_t (*nvram_read_t)(void *private, uint32_t addr);
typedef void (*nvram_write_t)(void *private, uint32_t addr, uint32_t val);
typedef struct nvram_t {
void *opaque;
nvram_read_t read_fn;
nvram_write_t write_fn;
} nvram_t;
uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
const char *arch,
uint32_t RAM_size, int boot_device,
uint32_t kernel_image, uint32_t kernel_size,
const char *cmdline,
uint32_t initrd_image, uint32_t initrd_size,
uint32_t NVRAM_image,
int width, int height, int depth);
#define TYPE_SYSBUS_M48T59 "m48t59"
typedef struct M48t59State M48t59State;
void m48t59_write (void *private, uint32_t addr, uint32_t val);
uint32_t m48t59_read (void *private, uint32_t addr);
void m48t59_toggle_lock (void *private, int lock);
M48t59State *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
int type);
M48t59State *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
uint32_t io_base, uint16_t size, int type);
#define TYPE_NVRAM "nvram"
#define NVRAM_CLASS(klass) \
OBJECT_CLASS_CHECK(NvramClass, (klass), TYPE_NVRAM)
#define NVRAM_GET_CLASS(obj) \
OBJECT_GET_CLASS(NvramClass, (obj), TYPE_NVRAM)
#define NVRAM(obj) \
INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
typedef struct Nvram {
Object parent;
} Nvram;
typedef struct NvramClass {
InterfaceClass parent;
uint32_t (*read)(Nvram *obj, uint32_t addr);
void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
void (*toggle_lock)(Nvram *obj, int lock);
} NvramClass;
#endif /* !NVRAM_H */