the system reset register write instead of asserting the reset line

[feathertw]

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• Programmer/board type: e.g Stlink/v1, Stlink/v2, Stlink/v2-onboard
• Programmer firmware version: e.g STSW-LINK007 2.27.15
• Operating system: e.g Linux, Mac OS X, Windows (with specific version)
• Stlink tools version and/or git commit hash: e.g v1.1.0/git-c722056
• Stlink commandline tool name: e.g st-info, st-flash, st-util
• Target chip (and optional board): e.g STM32F402VG (STM32Fxxx Discovery)

A as-detailed description possible of the problem with debug output when available.

Output:

OUTPUT/ERROR of the commandline tool(s)

Expected/description:

I found that a strange things in st-link reset,
I use the stlink V2 (the image I post)
I can use only GND,SWDIO,SWCLK(without reset pin) to burn code into stm32
And I can use ST-Link Utility in windows "System Reset" to reset whole stm32 system(including reset peripheral)

I have no idea why I don't connect reset pin and it still can work hardware reset,
But in texane stlink, it need connect reset pin to operate hardware reset,
Is it possible to do hardware reset without connecting reset pin in texane stlink?
if it can, it's more flexible and can save the reset pin connecting

Thank you,
The stlink project maintainers