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[RFC 0/1] Implement AVR WDT (watchdog timer)
From: |
Michael Rolnik |
Subject: |
[RFC 0/1] Implement AVR WDT (watchdog timer) |
Date: |
Sun, 2 May 2021 23:10:39 +0300 |
1. Initial implementation of AVR WDT
There are two issues with this implementation so I need your help here
a. when I configure the WDT to fire an interrupt every 15ms it actually
happens every 6 instructions
b. when I specify --icount shift=0 qemu stucks
Michael Rolnik (1):
Implement AVR watchdog timer
hw/avr/Kconfig | 1 +
hw/avr/atmega.c | 15 ++-
hw/avr/atmega.h | 2 +
hw/watchdog/Kconfig | 3 +
hw/watchdog/avr_wdt.c | 188 ++++++++++++++++++++++++++++++++++
hw/watchdog/meson.build | 2 +
hw/watchdog/trace-events | 5 +
include/hw/watchdog/avr_wdt.h | 47 +++++++++
target/avr/cpu.c | 3 +
target/avr/cpu.h | 1 +
target/avr/helper.c | 7 +-
11 files changed, 269 insertions(+), 5 deletions(-)
create mode 100644 hw/watchdog/avr_wdt.c
create mode 100644 include/hw/watchdog/avr_wdt.h
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2.25.1