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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::b2f; envelope-from=richard.henderson@linaro.org; helo=mail-yb1-xb2f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 10/15/23 13:12, Mark Cave-Ayland wrote: > 1 ./qemu-system-sparc -cdrom debian-40r4a-sparc-netinst.iso -boot d -bios ss5.bin (Boot > with real SS-5 PROM instead of OpenBIOS) > > -> Hangs during PROM memory test > > -> Bisected to: > 91b579b5293c4c5c3cfaf0214a5523b655dea4fe is the first bad commit > commit 91b579b5293c4c5c3cfaf0214a5523b655dea4fe > Author: Richard Henderson > Date:   Fri Oct 13 14:27:57 2023 -0700 > >     target/sparc: Move JMPL, RETT, RETURN to decodetree > >     Signed-off-by: Richard Henderson >     Message-Id: <20231013212846.165724-37-richard.henderson@linaro.org> Incorrectly translated "call %o7". Old decoder always computed the source into a temp; new decoder tries to use cpu_gpr[] directly. Clobbered %o7 with return address before setting npc. Fixed by moving the return address store later. r~