diff options
Diffstat (limited to 'hw/nvram.h')
| -rw-r--r-- | hw/nvram.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/hw/nvram.h b/hw/nvram.h new file mode 100644 index 000000000..3ec548302 --- /dev/null +++ b/hw/nvram.h @@ -0,0 +1,42 @@ +#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 unsigned 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 unsigned 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 m48t59_t m48t59_t; + +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); +m48t59_t *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 */ |