hw/at24c : not support 1 byte-address with eeprom size less than 256 byte
Host environment
- Operating system: Ubuntu 20.04.5 LTS
- OS/kernel version: 5.4.0-117
- Architecture: ARM
- QEMU flavor: qemu-system-arm
- QEMU version: 7.2.0
- QEMU command line:
./qemu-system-arm -machine montblanc-bmc -drive file=~/flash-montblanc,format=raw,if=mtd -nographic
Description of problem
I created the new platform base on aspeed/fuji, that uses the virtual eeprom (at24c), some eeprom used 24c02, which size 256 bytes. but when using /hw/at24c.c, the result will not same the real device.
Steps to reproduce
- create a machine with EEPROM size less then or equal 256 bytes
- start the qemu
- use i2cget/i2cset/i2cdump to write and display eeprom data
Additional information
I fixed and validated, refer https://gitlab.com/ssinprem/qemu/-/tree/at24c-1-byte-address-mode