Paolo Bonzini <pbonz...@redhat.com> writes: > On Wed, May 29, 2024 at 5:56 PM Philippe Mathieu-Daudé > <phi...@linaro.org> wrote: >> It is pointless to build semihosting when TCG is not available. > > Why? I would have naively assumed that a suitable semihosting API > could be implemented by KVM. The justification (and thus the commit > message) needs to be different for each architecture if it's a matter > of instruction set or insufficient KVM userspace API.
For Arm at least the HLT instruction is an external debug feature and as such not trappable by KVM. > > Paolo > >> Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> >> --- >> semihosting/Kconfig | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/semihosting/Kconfig b/semihosting/Kconfig >> index eaf3a20ef5..fbe6ac87f9 100644 >> --- a/semihosting/Kconfig >> +++ b/semihosting/Kconfig >> @@ -1,6 +1,7 @@ >> >> config SEMIHOSTING >> bool >> + depends on TCG >> >> config ARM_COMPATIBLE_SEMIHOSTING >> bool >> -- >> 2.41.0 >> -- Alex Bennée Virtualisation Tech Lead @ Linaro
