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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200423071039.7010-1-f4bug@amsat.org> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=207.211.31.120; envelope-from=david@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/23 01:42:41 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , "Emilio G . Cota" , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Beata Michalska , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 23.04.20 09:10, Philippe Mathieu-Daud=C3=A9 wrote: > The TCG helpers where added in b92e5a22ec3 in softmmu_template.h. > probe_write() was added in there in 3b4afc9e75a to be moved out > to accel/tcg/cputlb.c in 3b08f0a9254, and was later refactored > as probe_access() in c25c283df0f. > Since it is a TCG specific helper, add a stub to avoid failures > when building without TCG, such: >=20 > target/arm/helper.o: In function `probe_read': > include/exec/exec-all.h:345: undefined reference to `probe_access' I think you're missing the most important commit: 0d57b4999220 ("target/arm: Add support for DC CVAP & DC CVADP ins") I do wonder if dccvap_writefn() and calling code should be compiled for TCG only (CONFIG_TCG). I assume it is only called from TCG code - otherwise it would already be semi-broken. >=20 > Signed-off-by: Philippe Mathieu-Daud=C3=A9 > --- > Cc: Richard Henderson > Cc: Emilio G. Cota > Cc: Alex Benn=C3=A9e > Cc: David Hildenbrand > --- > accel/stubs/tcg-stub.c | 7 +++++++ > 1 file changed, 7 insertions(+) >=20 > diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c > index 677191a69c..e4bbf997aa 100644 > --- a/accel/stubs/tcg-stub.c > +++ b/accel/stubs/tcg-stub.c > @@ -22,3 +22,10 @@ void tb_flush(CPUState *cpu) > void tlb_set_dirty(CPUState *cpu, target_ulong vaddr) > { > } > + > +void *probe_access(CPUArchState *env, target_ulong addr, int size, > + MMUAccessType access_type, int mmu_idx, uintptr_t ret= addr) > +{ > + /* Handled by hardware accelerator. */ > + g_assert_not_reached(); > +} >=20 Still, this makes sense to me as well Reviewed-by: David Hildenbrand --=20 Thanks, David / dhildenb