Fear not! I'm an expert in dwarven behaviour.

Go to sword in log.
Deconstruct sword in log.
Find 3m x 3m open space.
Construct craftsdwarf's workshop using log.
Dig straight down using pickaxe until reaching bedrock.
Pray to Armok that this biome doesn't have a multilayer aquifer.
Craft resultant boulder of bedrock into large stone pot in craftsdwarf's workshop.
Deconstruct craftsdwarf's workshop.
Construct still in its place using log.
Go to mushroom patch.
Pick some plump helmets.
Go back to still.
Brew plump helmets into dwarven wine, using large stone pot to collect booze.
Drink dwarven wine.
Get through the working day.
Grumble mildly about the inclement weather.