{"id":2232144,"url":"http://patchwork.ozlabs.org/api/covers/2232144/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260503015756.99176-1-54weasels@gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260503015756.99176-1-54weasels@gmail.com>","list_archive_url":null,"date":"2026-05-03T01:57:49","name":"[0/7] m68k: Add Sun-3 Machine Emulation","submitter":{"id":93309,"url":"http://patchwork.ozlabs.org/api/people/93309/?format=json","name":"54weasels","email":"54weasels@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260503015756.99176-1-54weasels@gmail.com/mbox/","series":[{"id":502564,"url":"http://patchwork.ozlabs.org/api/series/502564/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502564","date":"2026-05-03T01:57:51","name":"m68k: Add Sun-3 Machine Emulation","version":1,"mbox":"http://patchwork.ozlabs.org/series/502564/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2232144/comments/","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=ZCta2gSE;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-dl1-x1233.google.com","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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-Mailman-Approved-At":"Sun, 03 May 2026 01:58:47 -0400","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"This implements a barebones Sun 3/60 that can boot a standard firmware, pass all the diagnostic tests and fully netboot both NetBSD 10 and SunOS 4.1.1\nIt has the minimum necessary devices: memory/MMU, diagnostic and error registers, interrupt, TOD clock, DMA, IDprom and configuration eeprom. I/O is the console serial and lance ethernet.\nThere are a few modifications needed to emulate a proper 68020, support another external MMU and sun3 specific ways of u sing the escc and ethernet devices.\nNext steps are implementing SCSI, graphics, and patching through the keyboard and mouse.\n\nThis is part of the Sun 3/60 preservation project: https://github.com/54weasels/sun3_60\n\n54weasels (7):\n target/m68k: Implement Physical Bus Error exception handling\n hw/net/lance: Add Sun-3 Native DMA byte-swapping support\n hw/char/escc: Expose diagnostic RS232 I/O routing\n hw/timer: Introduce Intersil 7170 RTC implementation\n hw/m68k: Overhaul Sun-3 MMU and Boot PROM mapping\n tests/qtest: Add Sun-3 hardware interaction tests\n tests/functional: Add Sun-3 firmware boot and diagnostic test\n\n hw/char/escc.c | 33 +-\n hw/m68k/Kconfig | 8 +\n hw/m68k/meson.build | 1 +\n hw/m68k/sun3.c | 499 ++++++++++++++++++++\n hw/m68k/sun3_eeprom_data.h | 259 ++++++++++\n hw/m68k/sun3mmu.c | 705 ++++++++++++++++++++++++++++\n hw/net/lance.c | 111 ++++-\n hw/net/meson.build | 3 +-\n hw/timer/Kconfig | 3 +\n hw/timer/intersil7170.c | 216 +++++++++\n hw/timer/meson.build | 1 +\n include/hw/char/escc.h | 3 +\n include/hw/m68k/sun3mmu.h | 65 +++\n include/hw/net/lance.h | 3 +\n include/hw/timer/intersil7170.h | 9 +\n target/m68k/cpu.c | 5 +-\n target/m68k/cpu.h | 18 +-\n target/m68k/helper.c | 130 ++++-\n target/m68k/op_helper.c | 176 ++++---\n target/m68k/translate.c | 31 +-\n tests/functional/m68k/meson.build | 1 +\n tests/functional/m68k/test_sun3.py | 34 ++\n tests/functional/qemu_test/asset.py | 11 +-\n tests/qtest/meson.build | 1 +\n tests/qtest/sun3-test.c | 67 +++\n 25 files changed, 2294 insertions(+), 99 deletions(-)\n create mode 100644 hw/m68k/sun3.c\n create mode 100644 hw/m68k/sun3_eeprom_data.h\n create mode 100644 hw/m68k/sun3mmu.c\n create mode 100644 hw/timer/intersil7170.c\n create mode 100644 include/hw/m68k/sun3mmu.h\n create mode 100644 include/hw/timer/intersil7170.h\n create mode 100755 tests/functional/m68k/test_sun3.py\n create mode 100644 tests/qtest/sun3-test.c"}