hw/nvram.h

   1 #ifndef NVRAM_H
   2 #define NVRAM_H
   3
   4 /* NVRAM helpers */
   5 typedef uint32_t (*nvram_read_t)(void *private, uint32_t addr);
   6 typedef void (*nvram_write_t)(void *private, uint32_t addr, uint32_t val);
   7 typedef struct nvram_t {
   8     void *opaque;
   9     nvram_read_t read_fn;
  10     nvram_write_t write_fn;
  11 } nvram_t;
  12
  13 void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value);
  14 uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr);
  15 void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value);
  16 uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr);
  17 void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value);
  18 uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
  19 void NVRAM_set_string (nvram_t *nvram, uint32_t addr,
  20                        const unsigned char *str, uint32_t max);
  21 int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
  22 void NVRAM_set_crc (nvram_t *nvram, uint32_t addr,
  23                     uint32_t start, uint32_t count);
  24 int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
  25                           const unsigned char *arch,
  26                           uint32_t RAM_size, int boot_device,
  27                           uint32_t kernel_image, uint32_t kernel_size,
  28                           const char *cmdline,
  29                           uint32_t initrd_image, uint32_t initrd_size,
  30                           uint32_t NVRAM_image,
  31                           int width, int height, int depth);
  32 typedef struct m48t59_t m48t59_t;
  33
  34 void m48t59_write (void *private, uint32_t addr, uint32_t val);
  35 uint32_t m48t59_read (void *private, uint32_t addr);
  36 void m48t59_toggle_lock (void *private, int lock);
  37 m48t59_t *m48t59_init (qemu_irq IRQ, target_phys_addr_t mem_base,
  38                        uint32_t io_base, uint16_t size,
  39                        int type);
  40 void m48t59_set_addr (void *opaque, uint32_t addr);
  41
  42 #endif /* !NVRAM_H */