Revision c227f099 hw/eeprom93xx.c
| b/hw/eeprom93xx.c | ||
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}; |
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#endif |
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struct eeprom {
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struct _eeprom_t {
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uint8_t tick; |
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uint8_t address; |
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uint8_t command; |
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{
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/* Save EEPROM data. */ |
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unsigned address; |
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a_eeprom *eeprom = (a_eeprom *)opaque;
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eeprom_t *eeprom = (eeprom_t *)opaque;
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qemu_put_byte(f, eeprom->tick); |
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qemu_put_byte(f, eeprom->address); |
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{
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/* Load EEPROM data from saved data if version and EEPROM size |
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of data and current EEPROM are identical. */ |
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a_eeprom *eeprom = (a_eeprom *)opaque;
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eeprom_t *eeprom = (eeprom_t *)opaque;
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int result = -EINVAL; |
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if (version_id >= OLD_EEPROM_VERSION) {
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unsigned address; |
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return result; |
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} |
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void eeprom93xx_write(a_eeprom *eeprom, int eecs, int eesk, int eedi)
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void eeprom93xx_write(eeprom_t *eeprom, int eecs, int eesk, int eedi)
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{
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uint8_t tick = eeprom->tick; |
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uint8_t eedo = eeprom->eedo; |
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eeprom->command = command; |
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} |
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uint16_t eeprom93xx_read(a_eeprom *eeprom)
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uint16_t eeprom93xx_read(eeprom_t *eeprom)
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{
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/* Return status of pin DO (0 or 1). */ |
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logout("CS=%u DO=%u\n", eeprom->eecs, eeprom->eedo);
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} |
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#endif |
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a_eeprom *eeprom93xx_new(uint16_t nwords)
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eeprom_t *eeprom93xx_new(uint16_t nwords)
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{
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/* Add a new EEPROM (with 16, 64 or 256 words). */ |
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a_eeprom *eeprom;
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eeprom_t *eeprom;
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uint8_t addrbits; |
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switch (nwords) {
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addrbits = 6; |
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} |
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eeprom = (a_eeprom *)qemu_mallocz(sizeof(*eeprom) + nwords * 2);
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eeprom = (eeprom_t *)qemu_mallocz(sizeof(*eeprom) + nwords * 2);
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eeprom->size = nwords; |
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eeprom->addrbits = addrbits; |
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/* Output DO is tristate, read results in 1. */ |
| ... | ... | |
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return eeprom; |
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} |
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void eeprom93xx_free(a_eeprom *eeprom)
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void eeprom93xx_free(eeprom_t *eeprom)
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{
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/* Destroy EEPROM. */ |
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logout("eeprom = 0x%p\n", eeprom);
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qemu_free(eeprom); |
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} |
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uint16_t *eeprom93xx_data(a_eeprom *eeprom)
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uint16_t *eeprom93xx_data(eeprom_t *eeprom)
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{
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/* Get EEPROM data array. */ |
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return &eeprom->contents[0]; |
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