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From: Mark Cave-Ayland To: laurent@vivier.eu, qemu-devel@nongnu.org Date: Wed, 24 May 2023 22:10:45 +0100 Message-Id: <20230524211104.686087-12-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230524211104.686087-1-mark.cave-ayland@ilande.co.uk> References: <20230524211104.686087-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a00:23c4:8bac:6900:b726:cf58:4c12:f013 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH 11/30] q800: implement additional machine id bits on VIA1 port A X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1684962741198100002 Content-Type: text/plain; charset="utf-8" Co-developed-by: Laurent Vivier Signed-off-by: Mark Cave-Ayland --- hw/misc/mac_via.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c index 076d18e5fd..f90a22a067 100644 --- a/hw/misc/mac_via.c +++ b/hw/misc/mac_via.c @@ -114,6 +114,9 @@ #define VIA1A_CPUID1 0x04 /* CPU id bit 0 on RBV, others */ #define VIA1A_CPUID2 0x10 /* CPU id bit 0 on RBV, others */ #define VIA1A_CPUID3 0x40 /* CPU id bit 0 on RBV, others */ +#define VIA1A_CPUID_MASK (VIA1A_CPUID0 | VIA1A_CPUID1 | \ + VIA1A_CPUID2 | VIA1A_CPUID3) +#define VIA1A_CPUID_Q800 (VIA1A_CPUID0 | VIA1A_CPUID2) =20 /* * Info on VIA1B is from Macintosh Family Hardware & MkLinux. @@ -871,9 +874,18 @@ static uint64_t mos6522_q800_via1_read(void *opaque, h= waddr addr, unsigned size) { MOS6522Q800VIA1State *s =3D MOS6522_Q800_VIA1(opaque); MOS6522State *ms =3D MOS6522(s); + uint64_t ret; =20 addr =3D (addr >> 9) & 0xf; - return mos6522_read(ms, addr, size); + ret =3D mos6522_read(ms, addr, size); + switch (addr) { + case VIA_REG_A: + case VIA_REG_ANH: + /* Quadra 800 Id */ + ret =3D (ret & ~VIA1A_CPUID_MASK) | VIA1A_CPUID_Q800; + break; + } + return ret; } =20 static void mos6522_q800_via1_write(void *opaque, hwaddr addr, uint64_t va= l, --=20 2.30.2