aviralgarg05 commented on PR #18373:
URL: https://github.com/apache/nuttx/pull/18373#issuecomment-3877771102
@tmedicci
Ran the requested ESP32 QEMU validation locally and confirmed boot to NSH.
### QEMU command used
```bash
~/.local/espressif-qemu-xtensa/qemu/bin/qemu-system-xtensa \
-nographic \
-machine esp32 \
-drive file=nuttx.merged.bin,if=mtd,format=raw \
-nic user,model=open_eth
```
### Build/config check
```bash
grep -n
"CONFIG_ESP32_IGNORE_CHIP_REVISION_CHECK\|CONFIG_ARCH_CHIP_ESP32\|CONFIG_BOARD_ESP32_DEVKITC"
.config
```
Output:
```text
137:CONFIG_ARCH_CHIP_ESP32=y
192:CONFIG_ESP32_IGNORE_CHIP_REVISION_CHECK=y
```
### Boot logs (key excerpts)
```text
Adding SPI flash device
ets Jul 29 2019 12:21:46
...
[esp32] [INF] *** Booting MCUboot build v2.2.0-151-g8a07053d ***
[esp32] [INF] [boot] chip revision: v0.0
...
[esp32] [INF] Loading image 0 - slot 0 from flash, area id: 1
...
WARNING: NuttX supports ESP32 chip revision >= v3.0 (chip is v0.0).
Ignoring this error and continuing because
`ESP32_IGNORE_CHIP_REVISION_CHECK` is set...
THIS MAY NOT WORK! DON'T USE THIS CHIP IN PRODUCTION!
NuttShell (NSH) NuttX-12.12.0
nsh>
```
### Runtime sanity check in NSH
```bash
uname -a
```
Output:
```text
NuttX 12.12.0 637c3300a5 Feb 10 2026 19:09:42 xtensa esp32-devkitc
```
### Result
- QEMU boot is successful and reaches NSH on `esp32-devkitc:qemu_openeth`.
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