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Korinsky" , Helge Deller Subject: [PATCH 7/8] hw/misc/lasi: LASI Harmony Audio presence emulation Date: Tue, 27 Oct 2026 22:52:08 +0100 Message-ID: <20261027215209.21150-8-deller@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261027215209.21150-1-deller@kernel.org> References: <20261027215209.21150-1-deller@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=172.234.252.31; envelope-from=deller@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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: qemu development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: Helge Deller HP-UX 9 beeps through the harmony audio chip, and it panics if there isn't one, because the 715/64 has no HIL keyboard to beep through instead. Emulate the bare minimum of the chip's registers and report a running audio clock. There's still no sound. In the long run we plan to add a Harmony driver, but for now this is sufficient. Suggested-by: Keith Monahan Signed-off-by: Helge Deller --- hw/misc/lasi.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/hw/misc/lasi.c b/hw/misc/lasi.c index f0dfd78b4d..76029804e1 100644 --- a/hw/misc/lasi.c +++ b/hw/misc/lasi.c @@ -36,8 +36,7 @@ static bool lasi_chip_mem_valid(void *opaque, hwaddr addr, case LASI_IAR: case LASI_LPT: - case LASI_AUDIO: - case LASI_AUDIO + 4: + case LASI_AUDIO ... LASI_AUDIO + 0xFF: case LASI_UART: case LASI_LAN: case LASI_LAN + 12: /* LASI LAN MAC */ @@ -87,6 +86,13 @@ static MemTxResult lasi_chip_read_with_attrs(void *opaque, hwaddr addr, val = s->iar; break; + case LASI_AUDIO ... LASI_AUDIO + 0xFF: + /* + * Harmony audio not yet emulated. DIAG (0x3c) reports a running + * sample clock, which HP-UX 9 checks before using the beeper. + */ + val = (addr == LASI_AUDIO + 0x3c); + break; case LASI_LPT: case LASI_UART: case LASI_LAN: @@ -158,9 +164,8 @@ static MemTxResult lasi_chip_write_with_attrs(void *opaque, hwaddr addr, case LASI_LPT: /* XXX: reset parallel port */ break; - case LASI_AUDIO: - case LASI_AUDIO + 4: - /* XXX: reset audio port */ + case LASI_AUDIO ... LASI_AUDIO + 0xFF: + /* XXX: Harmony audio is not emulated */ break; case LASI_UART: /* XXX: reset serial port */ -- 2.54.0