From patchwork Sat Jul 6 15:43:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 11033935 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9132A912 for ; Sat, 6 Jul 2019 15:49:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 762E6266F3 for ; Sat, 6 Jul 2019 15:49:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 69CFA28563; Sat, 6 Jul 2019 15:49:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C90F4266F3 for ; Sat, 6 Jul 2019 15:49:44 +0000 (UTC) Received: from localhost ([::1]:60222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjmwZ-0008Fz-Mn for patchwork-qemu-devel@patchwork.kernel.org; Sat, 06 Jul 2019 11:49:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57727) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjmqN-0004WC-Uh for qemu-devel@nongnu.org; Sat, 06 Jul 2019 11:43:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hjmqM-0003hM-9r for qemu-devel@nongnu.org; Sat, 06 Jul 2019 11:43:19 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:37961) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hjmqM-0003gc-3K for qemu-devel@nongnu.org; Sat, 06 Jul 2019 11:43:18 -0400 Received: by mail-wr1-f65.google.com with SMTP id g17so2556973wrr.5 for ; Sat, 06 Jul 2019 08:43:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IyhszNH+eqbMw7xBJ2QewHLtohzmLu222EM9n9LDf/Q=; b=fk3iWPjzFQV6j5BbY8oJsHwHycK51AtmmQfSoJtKhmUz9B5M+VIii0iQkDVOWvxLgc EpQmrcRSVYHKc7Rjy9lz0G9WXuFwRjcXyooYFa+BpSvozPZHGl7TODJpN37/6zsY9G7a GMi42lKEg6IFTjPy7rgitPi55mZo5PgjjyRTX2C4XS3HDuY2HtA/KrmLIQ+LpVPYhfIJ icPfc70Q2tD5gg5t99qrBCU0pddLTjrGDPpUkwRUPbww3kBac0lDCPrbZBmjXEMQ0ei7 /Uu/XHZYLcnKJxrLf+a8a1iWcGOKiVlUXpLK7EvTXyKgGpM42X1TYCGt6wdItKL+1o8p vtKA== X-Gm-Message-State: APjAAAXe8k+XLBYX32Ihw9un8NbQkmhR5OdgVMVnL0toO8SJrL6eMfZl dxHTVhoGQl7kuRodJEfcJ/z4WvKU X-Google-Smtp-Source: APXvYqwS0GJ51oIOdfr9ojUqPZxC0SCXWL2ZB3/+KJfsCKB/lBGEjQH0NDvJRcJcE9IQYRiL2uGZbg== X-Received: by 2002:a5d:43d0:: with SMTP id v16mr9117926wrr.252.1562427796796; Sat, 06 Jul 2019 08:43:16 -0700 (PDT) Received: from thl530.multi.box (pD9E83551.dip0.t-ipconnect.de. [217.232.53.81]) by smtp.gmail.com with ESMTPSA id h6sm12393850wre.82.2019.07.06.08.43.16 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 06 Jul 2019 08:43:16 -0700 (PDT) From: Thomas Huth To: qemu-devel@nongnu.org Date: Sat, 6 Jul 2019 17:43:05 +0200 Message-Id: <20190706154308.7280-2-huth@tuxfamily.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190706154308.7280-1-huth@tuxfamily.org> References: <20190706154308.7280-1-huth@tuxfamily.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.221.65 Subject: [Qemu-devel] [PATCH v3 1/4] m68k: Add NeXTcube framebuffer device emulation X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The NeXTcube uses a linear framebuffer with 4 greyscale colors and a fixed resolution of 1120 * 832. This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-fb.c and altered to fit the latest interface of the current QEMU (e.g. the device has been "qdev"-ified etc.). Signed-off-by: Thomas Huth --- default-configs/m68k-softmmu.mak | 1 + hw/display/Makefile.objs | 1 + hw/display/next-fb.c | 145 +++++++++++++++++++++++++++++++ hw/m68k/Kconfig | 4 + include/hw/m68k/next-cube.h | 7 ++ 5 files changed, 158 insertions(+) create mode 100644 hw/display/next-fb.c create mode 100644 include/hw/m68k/next-cube.h diff --git a/default-configs/m68k-softmmu.mak b/default-configs/m68k-softmmu.mak index 4049a8f2ba..d67ab8b96d 100644 --- a/default-configs/m68k-softmmu.mak +++ b/default-configs/m68k-softmmu.mak @@ -6,3 +6,4 @@ CONFIG_SEMIHOSTING=y # CONFIG_AN5206=y CONFIG_MCF5208=y +CONFIG_NEXTCUBE=y diff --git a/hw/display/Makefile.objs b/hw/display/Makefile.objs index a64998fc7b..8d1c71026d 100644 --- a/hw/display/Makefile.objs +++ b/hw/display/Makefile.objs @@ -38,6 +38,7 @@ obj-$(CONFIG_RASPI) += bcm2835_fb.o obj-$(CONFIG_SM501) += sm501.o obj-$(CONFIG_TCX) += tcx.o obj-$(CONFIG_CG3) += cg3.o +obj-$(CONFIG_NEXTCUBE) += next-fb.o obj-$(CONFIG_VGA) += vga.o diff --git a/hw/display/next-fb.c b/hw/display/next-fb.c new file mode 100644 index 0000000000..916a002f61 --- /dev/null +++ b/hw/display/next-fb.c @@ -0,0 +1,145 @@ +/* + * NeXT Cube/Station Framebuffer Emulation + * + * Copyright (c) 2011 Bryce Lanham + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "ui/console.h" +#include "hw/hw.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "hw/display/framebuffer.h" +#include "ui/pixel_ops.h" +#include "hw/m68k/next-cube.h" + +#define NEXTFB(obj) OBJECT_CHECK(NeXTFbState, (obj), TYPE_NEXTFB) + +struct NeXTFbState { + SysBusDevice parent_obj; + + MemoryRegion fb_mr; + MemoryRegionSection fbsection; + QemuConsole *con; + + uint32_t pitch; + uint32_t cols; + uint32_t rows; + int invalidate; +}; +typedef struct NeXTFbState NeXTFbState; + +static void nextfb_draw_line(void *opaque, uint8_t *d, const uint8_t *s, + int width, int pitch) +{ + NeXTFbState *nfbstate = NEXTFB(opaque); + static const uint32_t pal[4] = { + 0xFFFFFFFF, 0xFFAAAAAA, 0xFF555555, 0xFF000000 + }; + uint32_t *buf = (uint32_t *)d; + int i = 0; + + for (i = 0; i < nfbstate->cols / 4; i++) { + int j = i * 4; + uint8_t src = s[i]; + buf[j + 3] = pal[src & 0x3]; + src >>= 2; + buf[j + 2] = pal[src & 0x3]; + src >>= 2; + buf[j + 1] = pal[src & 0x3]; + src >>= 2; + buf[j + 0] = pal[src & 0x3]; + } +} + +static void nextfb_update(void *opaque) +{ + NeXTFbState *s = NEXTFB(opaque); + int dest_width = 4; + int src_width; + int first = 0; + int last = 0; + DisplaySurface *surface = qemu_console_surface(s->con); + + src_width = s->cols / 4 + 8; + dest_width = s->cols * 4; + + if (s->invalidate) { + framebuffer_update_memory_section(&s->fbsection, &s->fb_mr, 0, + s->cols, src_width); + s->invalidate = 0; + } + + framebuffer_update_display(surface, &s->fbsection, s->cols, s->rows, + src_width, dest_width, 0, 1, nextfb_draw_line, + s, &first, &last); + + dpy_gfx_update(s->con, 0, 0, s->cols, s->rows); +} + +static void nextfb_invalidate(void *opaque) +{ + NeXTFbState *s = NEXTFB(opaque); + s->invalidate = 1; +} + +static const GraphicHwOps nextfb_ops = { + .invalidate = nextfb_invalidate, + .gfx_update = nextfb_update, +}; + +static void nextfb_realize(DeviceState *dev, Error **errp) +{ + NeXTFbState *s = NEXTFB(dev); + + memory_region_init_ram(&s->fb_mr, OBJECT(dev), "next-video", 0x1CB100, + &error_fatal); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->fb_mr); + + s->invalidate = 1; + s->cols = 1120; + s->rows = 832; + + s->con = graphic_console_init(dev, 0, &nextfb_ops, s); + qemu_console_resize(s->con, s->cols, s->rows); +} + +static void nextfb_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + dc->realize = nextfb_realize; +} + +static const TypeInfo nextfb_info = { + .name = TYPE_NEXTFB, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(NeXTFbState), + .class_init = nextfb_class_init, +}; + +static void nextfb_register_types(void) +{ + type_register_static(&nextfb_info); +} + +type_init(nextfb_register_types) diff --git a/hw/m68k/Kconfig b/hw/m68k/Kconfig index 49ef0b3f6d..ec58a2eb06 100644 --- a/hw/m68k/Kconfig +++ b/hw/m68k/Kconfig @@ -7,3 +7,7 @@ config MCF5208 bool select COLDFIRE select PTIMER + +config NEXTCUBE + bool + select FRAMEBUFFER diff --git a/include/hw/m68k/next-cube.h b/include/hw/m68k/next-cube.h new file mode 100644 index 0000000000..090c7c51aa --- /dev/null +++ b/include/hw/m68k/next-cube.h @@ -0,0 +1,7 @@ + +#ifndef NEXT_CUBE_H +#define NEXT_CUBE_H + +#define TYPE_NEXTFB "next-fb" + +#endif /* NEXT_CUBE_H */ From patchwork Sat Jul 6 15:43:06 2019 Content-Type: text/plain; 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[217.232.53.81]) by smtp.gmail.com with ESMTPSA id h6sm12393850wre.82.2019.07.06.08.43.16 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 06 Jul 2019 08:43:17 -0700 (PDT) From: Thomas Huth To: qemu-devel@nongnu.org Date: Sat, 6 Jul 2019 17:43:06 +0200 Message-Id: <20190706154308.7280-3-huth@tuxfamily.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190706154308.7280-1-huth@tuxfamily.org> References: <20190706154308.7280-1-huth@tuxfamily.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.128.46 Subject: [Qemu-devel] [PATCH v3 2/4] m68k: Add NeXTcube keyboard device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP It is likely still quite incomplete (e.g. mouse and interrupts are not implemented yet), but it is good enough for keyboard input at the firmware monitor. This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-kbd.c and altered to fit the latest interface of the current QEMU (e.g. to use memory_region_init_io() instead of cpu_register_physical_memory()). Signed-off-by: Thomas Huth --- hw/m68k/Makefile.objs | 1 + hw/m68k/next-kbd.c | 284 ++++++++++++++++++++++++++++++++++++ include/hw/m68k/next-cube.h | 2 + 3 files changed, 287 insertions(+) create mode 100644 hw/m68k/next-kbd.c diff --git a/hw/m68k/Makefile.objs b/hw/m68k/Makefile.objs index 482f8477b4..688002cac1 100644 --- a/hw/m68k/Makefile.objs +++ b/hw/m68k/Makefile.objs @@ -1,2 +1,3 @@ obj-$(CONFIG_AN5206) += an5206.o mcf5206.o obj-$(CONFIG_MCF5208) += mcf5208.o mcf_intc.o +obj-$(CONFIG_NEXTCUBE) += next-kbd.o diff --git a/hw/m68k/next-kbd.c b/hw/m68k/next-kbd.c new file mode 100644 index 0000000000..c866562382 --- /dev/null +++ b/hw/m68k/next-kbd.c @@ -0,0 +1,284 @@ +/* + * QEMU NeXT Keyboard/Mouse emulation + * + * Copyright (c) 2011 Bryce Lanham + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/* + * This is admittedly hackish, but works well enough for basic input. Mouse + * support will be added once we can boot something that needs the mouse. + */ + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "exec/address-spaces.h" +#include "hw/hw.h" +#include "hw/sysbus.h" +#include "hw/m68k/next-cube.h" +#include "ui/console.h" +#include "sysemu/sysemu.h" + +#define NEXTKBD(obj) OBJECT_CHECK(NextKBDState, (obj), TYPE_NEXTKBD) + +/* following defintions from next68k netbsd */ +#define CSR_INT 0x00800000 +#define CSR_DATA 0x00400000 + +#define KD_KEYMASK 0x007f +#define KD_DIRECTION 0x0080 /* pressed or released */ +#define KD_CNTL 0x0100 +#define KD_LSHIFT 0x0200 +#define KD_RSHIFT 0x0400 +#define KD_LCOMM 0x0800 +#define KD_RCOMM 0x1000 +#define KD_LALT 0x2000 +#define KD_RALT 0x4000 +#define KD_VALID 0x8000 /* only set for scancode keys ? */ +#define KD_MODS 0x4f00 + +#define KBD_QUEUE_SIZE 256 + +typedef struct { + uint8_t data[KBD_QUEUE_SIZE]; + int rptr, wptr, count; +} KBDQueue; + + +typedef struct NextKBDState { + SysBusDevice sbd; + MemoryRegion mr; + KBDQueue queue; + uint16_t shift; +} NextKBDState; + +static void queue_code(void *opaque, int code); + +/* lots of magic numbers here */ +static uint32_t kbd_read_byte(void *opaque, hwaddr addr) +{ + switch (addr & 0x3) { + case 0x0: /* 0xe000 */ + return 0x80 | 0x20; + + case 0x1: /* 0xe001 */ + return 0x80 | 0x40 | 0x20 | 0x10; + + case 0x2: /* 0xe002 */ + /* returning 0x40 caused mach to hang */ + return 0x10 | 0x2 | 0x1; + + default: + qemu_log_mask(LOG_UNIMP, "NeXT kbd read byte %"HWADDR_PRIx"\n", addr); + } + + return 0; +} + +static uint32_t kbd_read_word(void *opaque, hwaddr addr) +{ + qemu_log_mask(LOG_UNIMP, "NeXT kbd read word %"HWADDR_PRIx"\n", addr); + return 0; +} + +/* even more magic numbers */ +static uint32_t kbd_read_long(void *opaque, hwaddr addr) +{ + int key = 0; + NextKBDState *s = NEXTKBD(opaque); + KBDQueue *q = &s->queue; + + switch (addr & 0xf) { + case 0x0: /* 0xe000 */ + return 0xA0F09300; + + case 0x8: /* 0xe008 */ + /* get keycode from buffer */ + if (q->count > 0) { + key = q->data[q->rptr]; + if (++q->rptr == KBD_QUEUE_SIZE) { + q->rptr = 0; + } + + q->count--; + + if (s->shift) { + key |= s->shift; + } + + if (key & 0x80) { + return 0; + } else { + return 0x10000000 | KD_VALID | key; + } + } else { + return 0; + } + + default: + qemu_log_mask(LOG_UNIMP, "NeXT kbd read long %"HWADDR_PRIx"\n", addr); + return 0; + } +} + +static uint64_t kbd_readfn(void *opaque, hwaddr addr, unsigned size) +{ + switch (size) { + case 1: + return kbd_read_byte(opaque, addr); + case 2: + return kbd_read_word(opaque, addr); + case 4: + return kbd_read_long(opaque, addr); + default: + g_assert_not_reached(); + } +} + +static void kbd_writefn(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "NeXT kbd write: size=%u addr=0x%"HWADDR_PRIx + "val=0x%"PRIx64"\n", size, addr, value); +} + +static const MemoryRegionOps kbd_ops = { + .read = kbd_readfn, + .write = kbd_writefn, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void nextkbd_event(void *opaque, int ch) +{ + /* + * Will want to set vars for caps/num lock + * if (ch & 0x80) -> key release + * there's also e0 escaped scancodes that might need to be handled + */ + queue_code(opaque, ch); +} + +static const unsigned char next_keycodes[128] = { + 0x00, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x50, 0x4F, + 0x4E, 0x1E, 0x1F, 0x20, 0x1D, 0x1C, 0x1B, 0x00, + 0x42, 0x43, 0x44, 0x45, 0x48, 0x47, 0x46, 0x06, + 0x07, 0x08, 0x00, 0x00, 0x2A, 0x00, 0x39, 0x3A, + 0x3B, 0x3C, 0x3D, 0x40, 0x3F, 0x3E, 0x2D, 0x2C, + 0x2B, 0x26, 0x00, 0x00, 0x31, 0x32, 0x33, 0x34, + 0x35, 0x37, 0x36, 0x2e, 0x2f, 0x30, 0x00, 0x00, + 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +static void queue_code(void *opaque, int code) +{ + NextKBDState *s = NEXTKBD(opaque); + KBDQueue *q = &s->queue; + int key = code & KD_KEYMASK; + int release = code & 0x80; + static int ext; + + if (code == 0xE0) { + ext = 1; + } + + if (code == 0x2A || code == 0x1D || code == 0x36) { + if (code == 0x2A) { + s->shift = KD_LSHIFT; + } else if (code == 0x36) { + s->shift = KD_RSHIFT; + ext = 0; + } else if (code == 0x1D && !ext) { + s->shift = KD_LCOMM; + } else if (code == 0x1D && ext) { + ext = 0; + s->shift = KD_RCOMM; + } + return; + } else if (code == (0x2A | 0x80) || code == (0x1D | 0x80) || + code == (0x36 | 0x80)) { + s->shift = 0; + return; + } + + if (q->count >= KBD_QUEUE_SIZE) { + return; + } + + q->data[q->wptr] = next_keycodes[key] | release; + + if (++q->wptr == KBD_QUEUE_SIZE) { + q->wptr = 0; + } + + q->count++; + + /* + * might need to actually trigger the NeXT irq, but as the keyboard works + * at the moment, I'll worry about it later + */ + /* s->update_irq(s->update_arg, 1); */ +} + +static void nextkbd_reset(DeviceState *dev) +{ + NextKBDState *nks = NEXTKBD(dev); + + memset(&nks->queue, 0, sizeof(KBDQueue)); + nks->shift = 0; +} + +static void nextkbd_realize(DeviceState *dev, Error **errp) +{ + NextKBDState *s = NEXTKBD(dev); + + memory_region_init_io(&s->mr, OBJECT(dev), &kbd_ops, s, "next.kbd", 0x1000); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mr); + + qemu_add_kbd_event_handler(nextkbd_event, s); +} + +static void nextkbd_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + dc->realize = nextkbd_realize; + dc->reset = nextkbd_reset; +} + +static const TypeInfo nextkbd_info = { + .name = TYPE_NEXTKBD, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(NextKBDState), + .class_init = nextkbd_class_init, +}; + +static void nextkbd_register_types(void) +{ + type_register_static(&nextkbd_info); +} + +type_init(nextkbd_register_types) diff --git a/include/hw/m68k/next-cube.h b/include/hw/m68k/next-cube.h index 090c7c51aa..37f7ce3e34 100644 --- a/include/hw/m68k/next-cube.h +++ b/include/hw/m68k/next-cube.h @@ -4,4 +4,6 @@ #define TYPE_NEXTFB "next-fb" +#define TYPE_NEXTKBD "next-kbd" + #endif /* NEXT_CUBE_H */ From patchwork Sat Jul 6 15:43:07 2019 Content-Type: text/plain; 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[217.232.53.81]) by smtp.gmail.com with ESMTPSA id h6sm12393850wre.82.2019.07.06.08.43.17 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 06 Jul 2019 08:43:17 -0700 (PDT) From: Thomas Huth To: qemu-devel@nongnu.org Date: Sat, 6 Jul 2019 17:43:07 +0200 Message-Id: <20190706154308.7280-4-huth@tuxfamily.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190706154308.7280-1-huth@tuxfamily.org> References: <20190706154308.7280-1-huth@tuxfamily.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.221.53 Subject: [Qemu-devel] [PATCH v3 3/4] m68k: Add NeXTcube machine X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP It is still quite incomplete (no SCSI, no floppy emulation, no network, etc.), but the firmware already shows up the debug monitor prompt in the framebuffer display, so at least the very basics are already working. This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-cube.c and altered quite a bit to fit the latest interface and coding conventions of the current QEMU. Signed-off-by: Thomas Huth --- hw/m68k/Makefile.objs | 2 +- hw/m68k/next-cube.c | 972 ++++++++++++++++++++++++++++++++++++ include/hw/m68k/next-cube.h | 38 ++ 3 files changed, 1011 insertions(+), 1 deletion(-) create mode 100644 hw/m68k/next-cube.c diff --git a/hw/m68k/Makefile.objs b/hw/m68k/Makefile.objs index 688002cac1..f25854730d 100644 --- a/hw/m68k/Makefile.objs +++ b/hw/m68k/Makefile.objs @@ -1,3 +1,3 @@ obj-$(CONFIG_AN5206) += an5206.o mcf5206.o obj-$(CONFIG_MCF5208) += mcf5208.o mcf_intc.o -obj-$(CONFIG_NEXTCUBE) += next-kbd.o +obj-$(CONFIG_NEXTCUBE) += next-kbd.o next-cube.o diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c new file mode 100644 index 0000000000..ee96547544 --- /dev/null +++ b/hw/m68k/next-cube.c @@ -0,0 +1,972 @@ +/* + * NeXT Cube System Driver + * + * Copyright (c) 2011 Bryce Lanham + * + * This code is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + */ + +#include "qemu/osdep.h" +#include "exec/hwaddr.h" +#include "exec/address-spaces.h" +#include "sysemu/sysemu.h" +#include "sysemu/qtest.h" +#include "hw/hw.h" +#include "hw/m68k/next-cube.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "hw/scsi/esp.h" +#include "hw/sysbus.h" +#include "hw/char/escc.h" /* ZILOG 8530 Serial Emulation */ +#include "hw/block/fdc.h" +#include "qapi/error.h" +#include "ui/console.h" +#include "target/m68k/cpu.h" + +/* #define DEBUG_NEXT */ +#ifdef DEBUG_NEXT +#define DPRINTF(fmt, ...) \ + do { printf("NeXT: " fmt , ## __VA_ARGS__); } while (0) +#else +#define DPRINTF(fmt, ...) do { } while (0) +#endif + +#define TYPE_NEXT_MACHINE MACHINE_TYPE_NAME("next-cube") +#define NEXT_MACHINE(obj) OBJECT_CHECK(NeXTState, (obj), TYPE_NEXT_MACHINE) + +#define ENTRY 0x0100001e +#define RAM_SIZE 0x4000000 +#define ROM_FILE "Rev_2.5_v66.bin" + +typedef struct next_dma { + uint32_t csr; + + uint32_t saved_next; + uint32_t saved_limit; + uint32_t saved_start; + uint32_t saved_stop; + + uint32_t next; + uint32_t limit; + uint32_t start; + uint32_t stop; + + uint32_t next_initbuf; + uint32_t size; +} next_dma; + +typedef struct { + MachineState parent; + + uint32_t int_mask; + uint32_t int_status; + + uint8_t scsi_csr_1; + uint8_t scsi_csr_2; + next_dma dma[10]; + qemu_irq *scsi_irq; + qemu_irq scsi_dma; + qemu_irq scsi_reset; + qemu_irq *fd_irq; + + uint32_t scr1; + uint32_t scr2; + + uint8_t rtc_ram[32]; +} NeXTState; + +/* Thanks to NeXT forums for this */ +/* +static const uint8_t rtc_ram3[32] = { + 0x94, 0x0f, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xfb, 0x6d, 0x00, 0x00, 0x7B, 0x00, + 0x00, 0x00, 0x65, 0x6e, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x13 +}; +*/ +static const uint8_t rtc_ram2[32] = { + 0x94, 0x0f, 0x40, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xfb, 0x6d, 0x00, 0x00, 0x4b, 0x00, + 0x41, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x7e, +}; + +#define SCR2_RTCLK 0x2 +#define SCR2_RTDATA 0x4 +#define SCR2_TOBCD(x) (((x / 10) << 4) + (x % 10)) + +static void nextscr2_write(NeXTState *s, uint32_t val, int size) +{ + static int led; + static int phase; + static uint8_t old_scr2; + static uint8_t rtc_command; + static uint8_t rtc_value; + static uint8_t rtc_status = 0x90; + static uint8_t rtc_return; + uint8_t scr2_2; + + if (size == 4) { + scr2_2 = (val >> 8) & 0xFF; + } else { + scr2_2 = val & 0xFF; + } + + if (val & 0x1) { + DPRINTF("fault!\n"); + led++; + if (led == 10) { + DPRINTF("LED flashing, possible fault!\n"); + led = 0; + } + } + + if (scr2_2 & 0x1) { + /* DPRINTF("RTC %x phase %i\n", scr2_2, phase); */ + if (phase == -1) { + phase = 0; + } + /* If we are in going down clock... do something */ + if (((old_scr2 & SCR2_RTCLK) != (scr2_2 & SCR2_RTCLK)) && + ((scr2_2 & SCR2_RTCLK) == 0)) { + if (phase < 8) { + rtc_command = (rtc_command << 1) | + ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + } + if (phase >= 8 && phase < 16) { + rtc_value = (rtc_value << 1) | ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + + /* if we read RAM register, output RT_DATA bit */ + if (rtc_command <= 0x1F) { + scr2_2 = scr2_2 & (~SCR2_RTDATA); + if (s->rtc_ram[rtc_command] & (0x80 >> (phase - 8))) { + scr2_2 |= SCR2_RTDATA; + } + + rtc_return = (rtc_return << 1) | + ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + } + /* read the status 0x30 */ + if (rtc_command == 0x30) { + scr2_2 = scr2_2 & (~SCR2_RTDATA); + /* for now status = 0x98 (new rtc + FTU) */ + if (rtc_status & (0x80 >> (phase - 8))) { + scr2_2 |= SCR2_RTDATA; + } + + rtc_return = (rtc_return << 1) | + ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + } + /* read the status 0x31 */ + if (rtc_command == 0x31) { + scr2_2 = scr2_2 & (~SCR2_RTDATA); + /* for now 0x00 */ + if (0x00 & (0x80 >> (phase - 8))) { + scr2_2 |= SCR2_RTDATA; + } + rtc_return = (rtc_return << 1) | + ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + } + + if ((rtc_command >= 0x20) && (rtc_command <= 0x2F)) { + scr2_2 = scr2_2 & (~SCR2_RTDATA); + /* for now 0x00 */ + time_t time_h = time(NULL); + struct tm *info = localtime(&time_h); + int ret = 0; + + switch (rtc_command) { + case 0x20: + ret = SCR2_TOBCD(info->tm_sec); + break; + case 0x21: + ret = SCR2_TOBCD(info->tm_min); + break; + case 0x22: + ret = SCR2_TOBCD(info->tm_hour); + break; + case 0x24: + ret = SCR2_TOBCD(info->tm_mday); + break; + case 0x25: + ret = SCR2_TOBCD((info->tm_mon + 1)); + break; + case 0x26: + ret = SCR2_TOBCD((info->tm_year - 100)); + break; + + } + + if (ret & (0x80 >> (phase - 8))) { + scr2_2 |= SCR2_RTDATA; + } + rtc_return = (rtc_return << 1) | + ((scr2_2 & SCR2_RTDATA) ? 1 : 0); + } + + } + + phase++; + if (phase == 16) { + if (rtc_command >= 0x80 && rtc_command <= 0x9F) { + s->rtc_ram[rtc_command - 0x80] = rtc_value; +#ifdef READ_RTC + FILE *fp = fopen("rtc.ram", "wb+"); + int ret = fwrite(s->rtc_ram, 1, 32, fp); + if (ret != 32) { + abort(); + } + fclose(fp); +#endif + } + /* write to x30 register */ + if (rtc_command == 0xB1) { + /* clear FTU */ + if (rtc_value & 0x04) { + rtc_status = rtc_status & (~0x18); + s->int_status = s->int_status & (~0x04); + } + } + } + } + } else { + /* else end or abort */ + phase = -1; + rtc_command = 0; + rtc_value = 0; + } + s->scr2 = val & 0xFFFF00FF; + s->scr2 |= scr2_2 << 8; + old_scr2 = scr2_2; +} + +static uint32_t mmio_readb(NeXTState *s, hwaddr addr) +{ + switch (addr) { + case 0xc000: + return (s->scr1 >> 24) & 0xFF; + case 0xc001: + return (s->scr1 >> 16) & 0xFF; + case 0xc002: + return (s->scr1 >> 8) & 0xFF; + case 0xc003: + return (s->scr1 >> 0) & 0xFF; + + case 0xd000: + return (s->scr2 >> 24) & 0xFF; + case 0xd001: + return (s->scr2 >> 16) & 0xFF; + case 0xd002: + return (s->scr2 >> 8) & 0xFF; + case 0xd003: + return (s->scr2 >> 0) & 0xFF; + case 0x14020: + DPRINTF("MMIO Read 0x4020\n"); + return 0x7f; + + default: + DPRINTF("MMIO Read B @ %"HWADDR_PRIx"\n", addr); + return 0x0; + } +} + +static uint32_t mmio_readw(NeXTState *s, hwaddr addr) +{ + switch (addr) { + default: + DPRINTF("MMIO Read W @ %"HWADDR_PRIx"\n", addr); + return 0x0; + } +} + +static uint32_t mmio_readl(NeXTState *s, hwaddr addr) +{ + switch (addr) { + case 0x7000: + DPRINTF("Read INT status: %x\n", s->int_status); + return s->int_status; + + case 0x7800: + DPRINTF("MMIO Read INT mask: %x\n", s->int_mask); + return s->int_mask; + + case 0xc000: + return s->scr1; + + /* + * case 0xc800: + * return 0x01000000; + */ + + case 0xd000: + return s->scr2; + + default: + DPRINTF("MMIO Read L @ %"HWADDR_PRIx"\n", addr); + return 0x0; + } +} + +static void mmio_writeb(NeXTState *s, hwaddr addr, uint32_t val) +{ + switch (addr) { + case 0xd003: + nextscr2_write(s, val, 1); + break; + default: + DPRINTF("MMIO Write B @ %x with %x\n", (unsigned int)addr, val); + } + +} + +static void mmio_writew(NeXTState *s, hwaddr addr, uint32_t val) +{ + DPRINTF("MMIO Write W\n"); +} + +static void mmio_writel(NeXTState *s, hwaddr addr, uint32_t val) +{ + switch (addr) { + case 0x7000: + DPRINTF("INT Status old: %x new: %x\n", s->int_status, val); + s->int_status = val; + break; + case 0x7800: + DPRINTF("INT Mask old: %x new: %x\n", s->int_mask, val); + s->int_mask = val; + break; + case 0xc000: + DPRINTF("SCR1 Write: %x\n", val); + break; + case 0xd000: + nextscr2_write(s, val, 4); + break; + + default: + DPRINTF("MMIO Write l @ %x with %x\n", (unsigned int)addr, val); + } +} + +static uint64_t mmio_readfn(void *opaque, hwaddr addr, unsigned size) +{ + NeXTState *ns = NEXT_MACHINE(opaque); + + switch (size) { + case 1: + return mmio_readb(ns, addr); + case 2: + return mmio_readw(ns, addr); + case 4: + return mmio_readl(ns, addr); + default: + g_assert_not_reached(); + } +} + +static void mmio_writefn(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + NeXTState *ns = NEXT_MACHINE(opaque); + + switch (size) { + case 1: + mmio_writeb(ns, addr, value); + break; + case 2: + mmio_writew(ns, addr, value); + break; + case 4: + mmio_writel(ns, addr, value); + break; + default: + g_assert_not_reached(); + } +} + +static const MemoryRegionOps mmio_ops = { + .read = mmio_readfn, + .write = mmio_writefn, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static uint32_t scr_readb(NeXTState *s, hwaddr addr) +{ + switch (addr) { + case 0x14108: + DPRINTF("FD read @ %x\n", (unsigned int)addr); + return 0x40 | 0x04 | 0x2 | 0x1; + case 0x14020: + DPRINTF("SCSI 4020 STATUS READ %X\n", s->scsi_csr_1); + return s->scsi_csr_1; + + case 0x14021: + DPRINTF("SCSI 4021 STATUS READ %X\n", s->scsi_csr_2); + return 0x40; + + /* + * These 4 registers are the hardware timer, not sure which register + * is the latch instead of data, but no problems so far + */ + case 0x1a000: + return 0xff & (clock() >> 24); + case 0x1a001: + return 0xff & (clock() >> 16); + case 0x1a002: + return 0xff & (clock() >> 8); + case 0x1a003: + /* Hack: We need to have this change consistently to make it work */ + return 0xFF & clock(); + + default: + DPRINTF("BMAP Read B @ %x\n", (unsigned int)addr); + return 0; + } +} + +static uint32_t scr_readw(NeXTState *s, hwaddr addr) +{ + DPRINTF("BMAP Read W @ %x\n", (unsigned int)addr); + return 0; +} + +static uint32_t scr_readl(NeXTState *s, hwaddr addr) +{ + DPRINTF("BMAP Read L @ %x\n", (unsigned int)addr); + return 0; +} + +#define SCSICSR_ENABLE 0x01 +#define SCSICSR_RESET 0x02 /* reset scsi dma */ +#define SCSICSR_FIFOFL 0x04 +#define SCSICSR_DMADIR 0x08 /* if set, scsi to mem */ +#define SCSICSR_CPUDMA 0x10 /* if set, dma enabled */ +#define SCSICSR_INTMASK 0x20 /* if set, interrupt enabled */ + +static void scr_writeb(NeXTState *s, hwaddr addr, uint32_t value) +{ + switch (addr) { + case 0x14108: + DPRINTF("FDCSR Write: %x\n", value); + + if (value == 0x0) { + /* qemu_irq_raise(s->fd_irq[0]); */ + } + break; + case 0x14020: /* SCSI Control Register */ + if (value & SCSICSR_FIFOFL) { + DPRINTF("SCSICSR FIFO Flush\n"); + /* will have to add another irq to the esp if this is needed */ + /* esp_puflush_fifo(esp_g); */ + /* qemu_irq_pulse(s->scsi_dma); */ + } + + if (value & SCSICSR_ENABLE) { + DPRINTF("SCSICSR Enable\n"); + /* + * qemu_irq_raise(s->scsi_dma); + * s->scsi_csr_1 = 0xc0; + * s->scsi_csr_1 |= 0x1; + * qemu_irq_pulse(s->scsi_dma); + */ + } + /* + * else + * s->scsi_csr_1 &= ~SCSICSR_ENABLE; + */ + + if (value & SCSICSR_RESET) { + DPRINTF("SCSICSR Reset\n"); + /* I think this should set DMADIR. CPUDMA and INTMASK to 0 */ + /* qemu_irq_raise(s->scsi_reset); */ + /* s->scsi_csr_1 &= ~(SCSICSR_INTMASK |0x80|0x1); */ + + } + if (value & SCSICSR_DMADIR) { + DPRINTF("SCSICSR DMAdir\n"); + } + if (value & SCSICSR_CPUDMA) { + DPRINTF("SCSICSR CPUDMA\n"); + /* qemu_irq_raise(s->scsi_dma); */ + + s->int_status |= 0x4000000; + } else { + s->int_status &= ~(0x4000000); + } + if (value & SCSICSR_INTMASK) { + DPRINTF("SCSICSR INTMASK\n"); + /* + * int_mask &= ~0x1000; + * s->scsi_csr_1 |= value; + * s->scsi_csr_1 &= ~SCSICSR_INTMASK; + * if (s->scsi_queued) { + * s->scsi_queued = 0; + * next_irq(s, NEXT_SCSI_I, level); + * } + */ + } else { + /* int_mask |= 0x1000; */ + } + if (value & 0x80) { + /* int_mask |= 0x1000; */ + /* s->scsi_csr_1 |= 0x80; */ + } + DPRINTF("SCSICSR Write: %x\n", value); + /* s->scsi_csr_1 = value; */ + return; + /* Hardware timer latch - not implemented yet */ + case 0x1a000: + default: + DPRINTF("BMAP Write B @ %x with %x\n", (unsigned int)addr, value); + } +} + +static void scr_writew(NeXTState *s, hwaddr addr, uint32_t value) +{ + DPRINTF("BMAP Write W @ %x with %x\n", (unsigned int)addr, value); +} + +static void scr_writel(NeXTState *s, hwaddr addr, uint32_t value) +{ + DPRINTF("BMAP Write L @ %x with %x\n", (unsigned int)addr, value); +} + +static uint64_t scr_readfn(void *opaque, hwaddr addr, unsigned size) +{ + NeXTState *ns = NEXT_MACHINE(opaque); + + switch (size) { + case 1: + return scr_readb(ns, addr); + case 2: + return scr_readw(ns, addr); + case 4: + return scr_readl(ns, addr); + default: + g_assert_not_reached(); + } +} + +static void scr_writefn(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + NeXTState *ns = NEXT_MACHINE(opaque); + + switch (size) { + case 1: + scr_writeb(ns, addr, value); + break; + case 2: + scr_writew(ns, addr, value); + break; + case 4: + scr_writel(ns, addr, value); + break; + default: + g_assert_not_reached(); + } +} + +static const MemoryRegionOps scr_ops = { + .read = scr_readfn, + .write = scr_writefn, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +#define NEXTDMA_SCSI(x) (0x10 + x) +#define NEXTDMA_FD(x) (0x10 + x) +#define NEXTDMA_ENTX(x) (0x110 + x) +#define NEXTDMA_ENRX(x) (0x150 + x) +#define NEXTDMA_CSR 0x0 +#define NEXTDMA_SAVED_NEXT 0x3FF0 +#define NEXTDMA_SAVED_LIMIT 0x3FF4 +#define NEXTDMA_SAVED_START 0x3FF8 +#define NEXTDMA_SAVED_STOP 0x3FFc +#define NEXTDMA_NEXT 0x4000 +#define NEXTDMA_LIMIT 0x4004 +#define NEXTDMA_START 0x4008 +#define NEXTDMA_STOP 0x400c +#define NEXTDMA_NEXT_INIT 0x4200 +#define NEXTDMA_SIZE 0x4204 + +static void dma_writel(void *opaque, hwaddr addr, uint64_t value, + unsigned int size) +{ + NeXTState *next_state = NEXT_MACHINE(opaque); + + /* + * uint16_t reg = addr; + * int channel = 0; + * switch (reg) { + * case SCSI"all registers: + * channel = NEXTDMA_SCSI; + * addr = addr - NEXTDMA_SCSI(0); + * } + */ + + switch (addr) { + case NEXTDMA_ENRX(NEXTDMA_CSR): + if (value & DMA_DEV2M) { + next_state->dma[NEXTDMA_ENRX].csr |= DMA_DEV2M; + } + + if (value & DMA_SETENABLE) { + /* DPRINTF("SCSI DMA ENABLE\n"); */ + next_state->dma[NEXTDMA_ENRX].csr |= DMA_ENABLE; + /* + * if (!(next_state->dma[NEXTDMA_ENRX].csr & DMA_DEV2M)) + * DPRINTF("DMA TO DEVICE\n"); + * else + * DPRINTF("DMA TO CPU\n"); + * if (next_state->scsi_csr_1 & 1<<3) + * DPRINTF("SCSI DIR\n"); + */ + } + if (value & DMA_SETSUPDATE) { + next_state->dma[NEXTDMA_ENRX].csr |= DMA_SUPDATE; + } + if (value & DMA_CLRCOMPLETE) { + next_state->dma[NEXTDMA_ENRX].csr &= ~DMA_COMPLETE; + } + + if (value & DMA_RESET) { + next_state->dma[NEXTDMA_ENRX].csr &= ~(DMA_COMPLETE | DMA_SUPDATE | + DMA_ENABLE | DMA_DEV2M); + } + /* DPRINTF("RXCSR \tWrite: %x\n",value); */ + break; + case NEXTDMA_ENRX(NEXTDMA_NEXT_INIT): + next_state->dma[NEXTDMA_ENRX].next_initbuf = value; + break; + case NEXTDMA_ENRX(NEXTDMA_NEXT): + next_state->dma[NEXTDMA_ENRX].next = value; + break; + case NEXTDMA_ENRX(NEXTDMA_LIMIT): + next_state->dma[NEXTDMA_ENRX].limit = value; + break; + case NEXTDMA_SCSI(NEXTDMA_CSR): + if (value & DMA_DEV2M) { + next_state->dma[NEXTDMA_SCSI].csr |= DMA_DEV2M; + } + if (value & DMA_SETENABLE) { + /* DPRINTF("SCSI DMA ENABLE\n"); */ + next_state->dma[NEXTDMA_SCSI].csr |= DMA_ENABLE; + /* + * if (!(next_state->dma[NEXTDMA_SCSI].csr & DMA_DEV2M)) { + * DPRINTF("DMA TO DEVICE\n"); + * } else { + * DPRINTF("DMA TO CPU\n"); + * } + * if (next_state->scsi_csr_1 & 1<<3) { + * DPRINTF("SCSI DIR\n"); + * } + */ + } + if (value & DMA_SETSUPDATE) { + next_state->dma[NEXTDMA_SCSI].csr |= DMA_SUPDATE; + } + if (value & DMA_CLRCOMPLETE) { + next_state->dma[NEXTDMA_SCSI].csr &= ~DMA_COMPLETE; + } + + if (value & DMA_RESET) { + next_state->dma[NEXTDMA_SCSI].csr &= ~(DMA_COMPLETE | DMA_SUPDATE | + DMA_ENABLE | DMA_DEV2M); + /* DPRINTF("SCSI DMA RESET\n"); */ + } + /* DPRINTF("RXCSR \tWrite: %x\n",value); */ + break; + + case NEXTDMA_SCSI(NEXTDMA_NEXT): + next_state->dma[NEXTDMA_SCSI].next = value; + break; + + case NEXTDMA_SCSI(NEXTDMA_LIMIT): + next_state->dma[NEXTDMA_SCSI].limit = value; + break; + + case NEXTDMA_SCSI(NEXTDMA_START): + next_state->dma[NEXTDMA_SCSI].start = value; + break; + + case NEXTDMA_SCSI(NEXTDMA_STOP): + next_state->dma[NEXTDMA_SCSI].stop = value; + break; + + case NEXTDMA_SCSI(NEXTDMA_NEXT_INIT): + next_state->dma[NEXTDMA_SCSI].next_initbuf = value; + break; + + default: + DPRINTF("DMA write @ %x w/ %x\n", (unsigned int)addr, value); + } +} + +static uint64_t dma_readl(void *opaque, hwaddr addr, unsigned int size) +{ + NeXTState *next_state = NEXT_MACHINE(opaque); + + switch (addr) { + case NEXTDMA_SCSI(NEXTDMA_CSR): + DPRINTF("SCSI DMA CSR READ\n"); + return next_state->dma[NEXTDMA_SCSI].csr; + case NEXTDMA_ENRX(NEXTDMA_CSR): + return next_state->dma[NEXTDMA_ENRX].csr; + case NEXTDMA_ENRX(NEXTDMA_NEXT_INIT): + return next_state->dma[NEXTDMA_ENRX].next_initbuf; + case NEXTDMA_ENRX(NEXTDMA_NEXT): + return next_state->dma[NEXTDMA_ENRX].next; + case NEXTDMA_ENRX(NEXTDMA_LIMIT): + return next_state->dma[NEXTDMA_ENRX].limit; + + case NEXTDMA_SCSI(NEXTDMA_NEXT): + return next_state->dma[NEXTDMA_SCSI].next; + case NEXTDMA_SCSI(NEXTDMA_NEXT_INIT): + return next_state->dma[NEXTDMA_SCSI].next_initbuf; + case NEXTDMA_SCSI(NEXTDMA_LIMIT): + return next_state->dma[NEXTDMA_SCSI].limit; + case NEXTDMA_SCSI(NEXTDMA_START): + return next_state->dma[NEXTDMA_SCSI].start; + case NEXTDMA_SCSI(NEXTDMA_STOP): + return next_state->dma[NEXTDMA_SCSI].stop; + + default: + DPRINTF("DMA read @ %x\n", (unsigned int)addr); + return 0; + } + + /* + * once the csr's are done, subtract 0x3FEC from the addr, and that will + * normalize the upper registers + */ +} + +static const MemoryRegionOps dma_ops = { + .read = dma_readl, + .write = dma_writel, + .impl.min_access_size = 4, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +/* + * TODO: set the shift numbers as values in the enum, so the first switch + * will not be needed + */ +void next_irq(void *opaque, int number, int level) +{ + M68kCPU *cpu = opaque; + int shift = 0; + NeXTState *ns = NEXT_MACHINE(qdev_get_machine()); + + /* first switch sets interupt status */ + /* DPRINTF("IRQ %i\n",number); */ + switch (number) { + /* level 3 - floppy, kbd/mouse, power, ether rx/tx, scsi, clock */ + case NEXT_FD_I: + shift = 7;; + break; + case NEXT_KBD_I: + shift = 3; + break; + case NEXT_PWR_I: + shift = 2; + break; + case NEXT_ENRX_I: + shift = 9; + break; + case NEXT_ENTX_I: + shift = 10; + break; + case NEXT_SCSI_I: + shift = 12; + break; + case NEXT_CLK_I: + shift = 5; + break; + + /* level 5 - scc (serial) */ + case NEXT_SCC_I: + shift = 17; + break; + + /* level 6 - audio etherrx/tx dma */ + case NEXT_ENTX_DMA_I: + shift = 28; + break; + case NEXT_ENRX_DMA_I: + shift = 27; + break; + case NEXT_SCSI_DMA_I: + shift = 26; + break; + case NEXT_SND_I: + shift = 23; + break; + case NEXT_SCC_DMA_I: + shift = 21; + break; + + } + /* + * this HAS to be wrong, the interrupt handlers in mach and together + * int_status and int_mask and return if there is a hit + */ + if (ns->int_mask & (1 << shift)) { + DPRINTF("%x interrupt masked @ %x\n", 1 << shift, cpu->env.pc); + /* return; */ + } + + /* second switch triggers the correct interrupt */ + if (level) { + ns->int_status |= 1 << shift; + + switch (number) { + /* level 3 - floppy, kbd/mouse, power, ether rx/tx, scsi, clock */ + case NEXT_FD_I: + case NEXT_KBD_I: + case NEXT_PWR_I: + case NEXT_ENRX_I: + case NEXT_ENTX_I: + case NEXT_SCSI_I: + case NEXT_CLK_I: + m68k_set_irq_level(cpu, 3, 27); + break; + + /* level 5 - scc (serial) */ + case NEXT_SCC_I: + m68k_set_irq_level(cpu, 5, 29); + break; + + /* level 6 - audio etherrx/tx dma */ + case NEXT_ENTX_DMA_I: + case NEXT_ENRX_DMA_I: + case NEXT_SCSI_DMA_I: + case NEXT_SND_I: + case NEXT_SCC_DMA_I: + m68k_set_irq_level(cpu, 6, 30); + break; + } + } else { + ns->int_status &= ~(1 << shift); + cpu_reset_interrupt(CPU(cpu), CPU_INTERRUPT_HARD); + } +} + +static void next_cube_init(MachineState *machine) +{ + M68kCPU *cpu; + CPUM68KState *env; + MemoryRegion *ram = g_new(MemoryRegion, 1); + MemoryRegion *rom = g_new(MemoryRegion, 1); + MemoryRegion *mmiomem = g_new(MemoryRegion, 1); + MemoryRegion *scrmem = g_new(MemoryRegion, 1); + MemoryRegion *dmamem = g_new(MemoryRegion, 1); + MemoryRegion *aliasmem = g_new(MemoryRegion, 1); + MemoryRegion *sysmem = get_system_memory(); + NeXTState *ns = NEXT_MACHINE(machine); + DeviceState *dev; + + /* Initialize the cpu core */ + cpu = M68K_CPU(cpu_create(machine->cpu_type)); + if (!cpu) { + error_report("Unable to find m68k CPU definition"); + exit(1); + } + env = &cpu->env; + + /* Initialize CPU registers. */ + env->vbr = 0; + env->pc = 0x100001e; /* technically should read vector */ + env->sr = 0x2700; + + /* Set internal registers to initial values */ + /* 0x0000XX00 << vital bits */ + ns->scr1 = 0x00011102; + ns->scr2 = 0x00ff0c80; + + /* Load RTC RAM - TODO: provide possibility to load contents from file */ + memcpy(ns->rtc_ram, rtc_ram2, 32); + + /* 64MB RAM starting at 0x04000000 */ + memory_region_allocate_system_memory(ram, NULL, "next.ram", ram_size); + memory_region_add_subregion(sysmem, 0x04000000, ram); + + /* The Rev_2.5_v66.bin firmware accesses the MMIO at 0x820c0020, too */ + memory_region_init_alias(aliasmem, NULL,"next.unknown", mmiomem, 0xc0020, + 16); + memory_region_add_subregion(sysmem, 0x820c0020, aliasmem); + + /* Framebuffer */ + dev = qdev_create(NULL, TYPE_NEXTFB); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x0B000000); + + /* MMIO */ + memory_region_init_io(mmiomem, NULL, &mmio_ops, machine, "next.mmio", + 0xD0000); + memory_region_add_subregion(sysmem, 0x02000000, mmiomem); + + /* BMAP - acts as a catch-all for now */ + memory_region_init_io(scrmem, NULL, &scr_ops, machine, "next.scr", + 0x20000); + memory_region_add_subregion(sysmem, 0x02100000, scrmem); + + /* KBD */ + dev = qdev_create(NULL, TYPE_NEXTKBD); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x0200e000); + + /* Load ROM here */ + if (bios_name == NULL) { + bios_name = ROM_FILE; + } + /* still not sure if the rom should also be mapped at 0x0*/ + memory_region_init_rom(rom, NULL, "next.rom", 0x20000, &error_fatal); + memory_region_add_subregion(sysmem, 0x01000000, rom); + if (load_image_targphys(bios_name, 0x01000000, 0x20000) < 0) { + if (!qtest_enabled()) { + error_report("Failed to load firmware '%s'", bios_name); + } + } + + /* TODO: */ + /* Serial */ + /* Network */ + /* SCSI */ + + /* DMA */ + memory_region_init_io(dmamem, NULL, &dma_ops, machine, "next.dma", 0x5000); + memory_region_add_subregion(sysmem, 0x02000000, dmamem); +} + +static void next_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "NeXT Cube"; + mc->init = next_cube_init; + mc->default_ram_size = RAM_SIZE; + mc->default_cpu_type = M68K_CPU_TYPE_NAME("m68040"); +} + +static const TypeInfo next_typeinfo = { + .name = TYPE_NEXT_MACHINE, + .parent = TYPE_MACHINE, + .class_init = next_machine_class_init, + .instance_size = sizeof(NeXTState), +}; + +static void next_register_type(void) +{ + type_register_static(&next_typeinfo); +} + +type_init(next_register_type) diff --git a/include/hw/m68k/next-cube.h b/include/hw/m68k/next-cube.h index 37f7ce3e34..a3be2b32ab 100644 --- a/include/hw/m68k/next-cube.h +++ b/include/hw/m68k/next-cube.h @@ -6,4 +6,42 @@ #define TYPE_NEXTKBD "next-kbd" +enum next_dma_chan { + NEXTDMA_FD, + NEXTDMA_ENRX, + NEXTDMA_ENTX, + NEXTDMA_SCSI, + NEXTDMA_SCC, + NEXTDMA_SND +}; + +#define DMA_ENABLE 0x01000000 +#define DMA_SUPDATE 0x02000000 +#define DMA_COMPLETE 0x08000000 + +#define DMA_M2DEV 0x0 +#define DMA_SETENABLE 0x00010000 +#define DMA_SETSUPDATE 0x00020000 +#define DMA_DEV2M 0x00040000 +#define DMA_CLRCOMPLETE 0x00080000 +#define DMA_RESET 0x00100000 + +enum next_irqs { + NEXT_FD_I, + NEXT_KBD_I, + NEXT_PWR_I, + NEXT_ENRX_I, + NEXT_ENTX_I, + NEXT_SCSI_I, + NEXT_CLK_I, + NEXT_SCC_I, + NEXT_ENTX_DMA_I, + NEXT_ENRX_DMA_I, + NEXT_SCSI_DMA_I, + NEXT_SCC_DMA_I, + NEXT_SND_I +}; + +void next_irq(void *opaque, int number, int level); + #endif /* NEXT_CUBE_H */ From patchwork Sat Jul 6 15:43:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 11033939 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 780CF912 for ; Sat, 6 Jul 2019 15:51:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 684BA27F92 for ; Sat, 6 Jul 2019 15:51:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5A99227F97; Sat, 6 Jul 2019 15:51:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0B816266F3 for ; 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[217.232.53.81]) by smtp.gmail.com with ESMTPSA id h6sm12393850wre.82.2019.07.06.08.43.18 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 06 Jul 2019 08:43:18 -0700 (PDT) From: Thomas Huth To: qemu-devel@nongnu.org Date: Sat, 6 Jul 2019 17:43:08 +0200 Message-Id: <20190706154308.7280-5-huth@tuxfamily.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190706154308.7280-1-huth@tuxfamily.org> References: <20190706154308.7280-1-huth@tuxfamily.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.221.66 Subject: [Qemu-devel] [PATCH v3 4/4] m68k: Add an entry for the NeXTcube machine to the MAINTAINERS file X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP I don't have much clue about the NeXT hardware, but at least I know now the source files a little bit, so I volunteer to pick up patches and send PULL requests for them until someone else with more knowledge steps up to do this job instead. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Thomas Huth --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 2cce50287a..539f8a6f10 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -910,6 +910,13 @@ F: hw/char/mcf_uart.c F: hw/net/mcf_fec.c F: include/hw/m68k/mcf*.h +NeXTcube +M: Thomas Huth +S: Odd Fixes +F: hw/m68k/next-*.c +F: hw/display/next-fb.c +F: include/hw/m68k/next-cube.h + MicroBlaze Machines ------------------- petalogix_s3adsp1800