qemu/hw/nvram.h
Hervé Poussineau 48a18b3c69 isa: give ISABus/ISADevice to isa_create(), isa_bus_irqs() and isa_get_irq() functions
NULL is a valid bus/device, so there is no change in behaviour.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-20 15:44:30 -06:00

44 lines
1.9 KiB
C

#ifndef NVRAM_H
#define NVRAM_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;
void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value);
uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr);
void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value);
uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr);
void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value);
uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
void NVRAM_set_string (nvram_t *nvram, uint32_t addr,
const char *str, uint32_t max);
int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
void NVRAM_set_crc (nvram_t *nvram, uint32_t addr,
uint32_t start, uint32_t count);
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);
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, target_phys_addr_t mem_base,
uint32_t io_base, uint16_t size, int type);
void m48t59_set_addr (void *opaque, uint32_t addr);
#endif /* !NVRAM_H */