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Sun, 24 Mar 2024 09:09:53 +0100 From: Sven Schnelle To: Richard Henderson Cc: qemu-devel@nongnu.org, Helge Deller , Sven Schnelle Subject: [PATCH 2/3] target/hppa: mask offset bits in gva Date: Sun, 24 Mar 2024 09:09:44 +0100 Message-ID: <20240324080945.991100-3-svens@stackframe.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240324080945.991100-1-svens@stackframe.org> References: <20240324080945.991100-1-svens@stackframe.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=23.83.208.37; envelope-from=svens@stackframe.org; helo=cockroach.apple.relay.mailchannels.net 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, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 The CPU seems to mask a few bits in the offset when running under HP-UX. ISR/IOR register contents for an address in the processor HPA (0xfffffffffffa0000) on my C8000 and J6750: running on Linux: 000000003fffffff c0000000fffa0500 running on HP-UX: 00000000301fffff c0000000fffa0500 I haven't found how this is switched (guess some diag in the firmware), but linux + seabios seems to handle that as well, so lets mask out the additional bits. Signed-off-by: Sven Schnelle --- target/hppa/cpu.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h index a072d0bb63..9bc4d208fa 100644 --- a/target/hppa/cpu.h +++ b/target/hppa/cpu.h @@ -283,12 +283,13 @@ static inline int HPPA_BTLB_ENTRIES(CPUHPPAState *env) void hppa_translate_init(void); +#define HPPA_GVA_OFFSET_MASK64 0x301fffffffffffff #define CPU_RESOLVING_TYPE TYPE_HPPA_CPU static inline uint64_t gva_offset_mask(target_ulong psw) { return (psw & PSW_W - ? MAKE_64BIT_MASK(0, 62) + ? HPPA_GVA_OFFSET_MASK64 : MAKE_64BIT_MASK(0, 32)); } -- 2.43.2