On Tue, 16 May 2023 at 11:44, Alex Bennée <alex.ben...@linaro.org> wrote: > > The commit b3aa2f2128 (target/arm: provide stubs for more external > debug registers) was added to handle HyperV's unconditional usage of > Debug Communications Channel. It turns out that Linux will similarly > break if you enable CONFIG_HVC_DCC "ARM JTAG DCC console". > > Extend the registers we RAZ/WI set to avoid this.
Applied to target-arm.next, thanks. (In theory we could implement the DCC and wire it up to a chardev, which might be a cute way of getting early debug.) -- PMM
