f80237d450
Many thanks to Gerd Hoffmann for finding and fixing a bug in the initial version. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
44 lines
1.9 KiB
C
44 lines
1.9 KiB
C
#ifndef NVRAM_H
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#define NVRAM_H
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/* NVRAM helpers */
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typedef uint32_t (*nvram_read_t)(void *private, uint32_t addr);
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typedef void (*nvram_write_t)(void *private, uint32_t addr, uint32_t val);
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typedef struct nvram_t {
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void *opaque;
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nvram_read_t read_fn;
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nvram_write_t write_fn;
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} nvram_t;
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void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value);
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uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr);
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void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value);
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uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr);
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void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value);
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uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
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void NVRAM_set_string (nvram_t *nvram, uint32_t addr,
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const char *str, uint32_t max);
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int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
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void NVRAM_set_crc (nvram_t *nvram, uint32_t addr,
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uint32_t start, uint32_t count);
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int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
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const char *arch,
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uint32_t RAM_size, int boot_device,
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uint32_t kernel_image, uint32_t kernel_size,
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const char *cmdline,
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uint32_t initrd_image, uint32_t initrd_size,
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uint32_t NVRAM_image,
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int width, int height, int depth);
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typedef struct m48t59_t m48t59_t;
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void m48t59_write (void *private, uint32_t addr, uint32_t val);
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uint32_t m48t59_read (void *private, uint32_t addr);
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void m48t59_toggle_lock (void *private, int lock);
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m48t59_t *m48t59_init_isa(uint32_t io_base, uint16_t size, int type);
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m48t59_t *m48t59_init (qemu_irq IRQ, target_phys_addr_t mem_base,
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uint32_t io_base, uint16_t size,
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int type);
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void m48t59_set_addr (void *opaque, uint32_t addr);
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#endif /* !NVRAM_H */
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