Revision 8da3ff18 hw/ds1225y.c
| b/hw/ds1225y.c | ||
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typedef struct ds1225y_t |
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{
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target_phys_addr_t mem_base; |
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uint32_t chip_size; |
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QEMUFile *file; |
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uint8_t *contents; |
| ... | ... | |
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static uint32_t nvram_readb (void *opaque, target_phys_addr_t addr) |
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{
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ds1225y_t *s = opaque; |
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int64_t pos; |
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uint32_t val; |
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pos = addr - s->mem_base; |
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if (pos >= s->chip_size) |
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pos -= s->chip_size; |
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|
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val = s->contents[pos]; |
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val = s->contents[addr]; |
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#ifdef DEBUG_NVRAM |
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printf("nvram: read 0x%x at " TARGET_FMT_lx "\n", val, addr);
|
| ... | ... | |
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static void nvram_writeb (void *opaque, target_phys_addr_t addr, uint32_t val) |
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{
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ds1225y_t *s = opaque; |
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int64_t pos; |
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#ifdef DEBUG_NVRAM |
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printf("nvram: write 0x%x at " TARGET_FMT_lx "\n", val, addr);
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#endif |
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pos = addr - s->mem_base; |
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s->contents[pos] = val & 0xff; |
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s->contents[addr] = val & 0xff; |
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if (s->file) {
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qemu_fseek(s->file, pos, SEEK_SET);
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qemu_fseek(s->file, addr, SEEK_SET);
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qemu_put_byte(s->file, (int)val); |
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qemu_fflush(s->file); |
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} |
| ... | ... | |
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return; |
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} |
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nvram_writeb(opaque, addr - s->chip_size, val);
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nvram_writeb(opaque, addr, val); |
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} |
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static void nvram_writew_protected (void *opaque, target_phys_addr_t addr, uint32_t val) |
| ... | ... | |
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if (!s->contents) {
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return NULL; |
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} |
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s->mem_base = mem_base; |
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s->protection = 7; |
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/* Read current file */ |
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