raw-posix: Remove O_RDWR when attempting to open a file read-only
[qemu-kvm/fedora.git] / hw / nvram.h
blobb346822c229e72d392f8c42cad6d9dc867969d55
1 #ifndef NVRAM_H
2 #define NVRAM_H
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;
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 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 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;
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);
42 #endif /* !NVRAM_H */