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watchdog_reboot into flash should set some scratch fields #11

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kilograham opened this issue Oct 6, 2021 · 0 comments

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kilograham commented Oct 6, 2021 •

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When we reboot into RAM we indicate this via

watchdog_hw->scratch[4] = 0xb007c0d3;
watchdog_hw->scratch[5] = pc ^ -0xb007c0d3;
watchdog_hw->scratch[6] = sp;
watchdog_hw->scratch[7] = pc;

however on rebooting into flash we only reset scratch[4] to 0 (which is also done on the watchdog boot path in the bootrom).

It would be nice to be able to detect a bootrom reset vs another type of watchdog reset explicitly.

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