From patchwork Thu Dec 12 11:46:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 13905050 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7D347E77182 for ; Thu, 12 Dec 2024 11:49:01 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLhgI-000390-8s; Thu, 12 Dec 2024 06:48:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tLhg5-0002mX-EJ for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:48:21 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tLhg3-0007Nf-3e for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:48:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=3yA20NBt6M6g87M1rHFQUcoesnQCGl0+GNmfTJjjil0=; b=niRtKAOxmgjDC9RzRc+tglKu5j OOTRh44iW0VkRYzmIgNX/Czfl5PqNbkzmhoe1JZIw/Iu/soXxo7o/kxvshrSzR0KeYEgERldcs97r +sUq8MwVsTcFy2mbflgjUYVQtFgTxrz5nkF8fINtCu9AIXiTLBqebl+lfMH28ny5LfHLlydxqWxwy N2ux9sCWtgBPZ3q//SQVqzceKP4IcUd5EHm9Jsp6d2n+twkjNbL0AXqCPhPk1GorOtSH5uEnJuXcK axil/Ht4SxOTl1JRLLgOGHnVbEuCZ4eRjpMMwwC+Hv2gM7DoEJmuVEZXC1gOlkm8yKs6xp4+CEdH0 VX3IKQ9ECcu4ey34zQTCoes6uQhQIlnl1OGGh6v4rVxnSfBjwr8lcgib/eH9So4XPQL93j7VYLVda 9rJrBz3rDW+qZASr2uBLuSo4hcycnNhQX2uXr+jUEz2PR8SOmh6orTmT3IZ4Zjv5gRY63/mJ40XGa 8BnCtIAKL4NUlUAKPMCrkE8DuAUUpO3HdVMxRd+OMRYz+deC2uNOkTc5YNupE9r3dOFhUka04UgKq yNvhANZWnUg7HY/akbCHpXfZAcLfrqa3BygUT/mmylbGRDWgXfatcHsjbC1bcjBybW4wX+nprhV+M /kzIc0CHL45EYrZ4FJLorpaVarIUAt4f3S+DpoFUY=; Received: from [2a02:8012:c93d:0:260e:bf57:a4e9:8142] (helo=cheesecake.fritz.box) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tLhfM-00070a-Lf; Thu, 12 Dec 2024 11:47:37 +0000 From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Thu, 12 Dec 2024 11:46:17 +0000 Message-Id: <20241212114620.549285-32-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> References: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8012:c93d:0:260e:bf57:a4e9:8142 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 31/34] next-cube: move next_rtc_cmd_is_write() and next_rtc_data_in_irq() functions 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 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 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 Move these functions in next-cube.c so that they are with the rest of the next-rtc functions. Signed-off-by: Mark Cave-Ayland --- hw/m68k/next-cube.c | 172 ++++++++++++++++++++++---------------------- 1 file changed, 86 insertions(+), 86 deletions(-) diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c index 94a9b90171..12d31dfaad 100644 --- a/hw/m68k/next-cube.c +++ b/hw/m68k/next-cube.c @@ -175,92 +175,6 @@ static void next_scr2_led_update(NeXTPC *s) } } -static bool next_rtc_cmd_is_write(uint8_t cmd) -{ - return (cmd >= 0x80 && cmd <= 0x9f) || - (cmd == 0xb1); -} - -static void next_rtc_data_in_irq(void *opaque, int n, int level) -{ - NeXTRTC *rtc = NEXT_RTC(opaque); - - if (rtc->phase < 8) { - rtc->command = (rtc->command << 1) | level; - - if (rtc->phase == 7 && !next_rtc_cmd_is_write(rtc->command)) { - if (rtc->command <= 0x1f) { - /* RAM registers */ - rtc->retval = rtc->ram[rtc->command]; - } - if ((rtc->command >= 0x20) && (rtc->command <= 0x2f)) { - /* RTC */ - time_t time_h = time(NULL); - struct tm *info = localtime(&time_h); - rtc->retval = 0; - - switch (rtc->command) { - case 0x20: - rtc->retval = SCR2_TOBCD(info->tm_sec); - break; - case 0x21: - rtc->retval = SCR2_TOBCD(info->tm_min); - break; - case 0x22: - rtc->retval = SCR2_TOBCD(info->tm_hour); - break; - case 0x24: - rtc->retval = SCR2_TOBCD(info->tm_mday); - break; - case 0x25: - rtc->retval = SCR2_TOBCD((info->tm_mon + 1)); - break; - case 0x26: - rtc->retval = SCR2_TOBCD((info->tm_year - 100)); - break; - } - } - if (rtc->command == 0x30) { - /* read the status 0x30 */ - rtc->retval = rtc->status; - } - if (rtc->command == 0x31) { - /* read the control 0x31 */ - rtc->retval = rtc->control; - } - } - } - if (rtc->phase >= 8 && rtc->phase < 16) { - if (next_rtc_cmd_is_write(rtc->command)) { - /* Shift in value to write */ - rtc->value = (rtc->value << 1) | level; - } else { - /* Shift out value to read */ - if (rtc->retval & (0x80 >> (rtc->phase - 8))) { - qemu_irq_raise(rtc->data_out_irq); - } else { - qemu_irq_lower(rtc->data_out_irq); - } - } - } - - rtc->phase++; - if (rtc->phase == 16 && next_rtc_cmd_is_write(rtc->command)) { - if (rtc->command >= 0x80 && rtc->command <= 0x9f) { - /* RAM registers */ - rtc->ram[rtc->command - 0x80] = rtc->value; - } - if (rtc->command == 0xb1) { - /* write to 0x30 register */ - if (rtc->value & 0x04) { - /* clear FTU */ - rtc->status = rtc->status & (~0x18); - qemu_irq_lower(rtc->power_irq); - } - } - } -} - static void next_scr2_rtc_update(NeXTPC *s) { uint8_t old_scr2, scr2_2; @@ -1012,6 +926,92 @@ static const MemoryRegionOps next_dummy_en_ops = { .endianness = DEVICE_BIG_ENDIAN, }; +static bool next_rtc_cmd_is_write(uint8_t cmd) +{ + return (cmd >= 0x80 && cmd <= 0x9f) || + (cmd == 0xb1); +} + +static void next_rtc_data_in_irq(void *opaque, int n, int level) +{ + NeXTRTC *rtc = NEXT_RTC(opaque); + + if (rtc->phase < 8) { + rtc->command = (rtc->command << 1) | level; + + if (rtc->phase == 7 && !next_rtc_cmd_is_write(rtc->command)) { + if (rtc->command <= 0x1f) { + /* RAM registers */ + rtc->retval = rtc->ram[rtc->command]; + } + if ((rtc->command >= 0x20) && (rtc->command <= 0x2f)) { + /* RTC */ + time_t time_h = time(NULL); + struct tm *info = localtime(&time_h); + rtc->retval = 0; + + switch (rtc->command) { + case 0x20: + rtc->retval = SCR2_TOBCD(info->tm_sec); + break; + case 0x21: + rtc->retval = SCR2_TOBCD(info->tm_min); + break; + case 0x22: + rtc->retval = SCR2_TOBCD(info->tm_hour); + break; + case 0x24: + rtc->retval = SCR2_TOBCD(info->tm_mday); + break; + case 0x25: + rtc->retval = SCR2_TOBCD((info->tm_mon + 1)); + break; + case 0x26: + rtc->retval = SCR2_TOBCD((info->tm_year - 100)); + break; + } + } + if (rtc->command == 0x30) { + /* read the status 0x30 */ + rtc->retval = rtc->status; + } + if (rtc->command == 0x31) { + /* read the control 0x31 */ + rtc->retval = rtc->control; + } + } + } + if (rtc->phase >= 8 && rtc->phase < 16) { + if (next_rtc_cmd_is_write(rtc->command)) { + /* Shift in value to write */ + rtc->value = (rtc->value << 1) | level; + } else { + /* Shift out value to read */ + if (rtc->retval & (0x80 >> (rtc->phase - 8))) { + qemu_irq_raise(rtc->data_out_irq); + } else { + qemu_irq_lower(rtc->data_out_irq); + } + } + } + + rtc->phase++; + if (rtc->phase == 16 && next_rtc_cmd_is_write(rtc->command)) { + if (rtc->command >= 0x80 && rtc->command <= 0x9f) { + /* RAM registers */ + rtc->ram[rtc->command - 0x80] = rtc->value; + } + if (rtc->command == 0xb1) { + /* write to 0x30 register */ + if (rtc->value & 0x04) { + /* clear FTU */ + rtc->status = rtc->status & (~0x18); + qemu_irq_lower(rtc->power_irq); + } + } + } +} + static void next_rtc_cmd_reset_irq(void *opaque, int n, int level) { NeXTRTC *rtc = NEXT_RTC(opaque);