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Sat, 02 May 2026 18:58:23 -0700 (PDT) Received: from newsled.lan ([76.133.142.170]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2ee38d79eb9sm14361735eec.8.2026.05.02.18.58.22 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 02 May 2026 18:58:23 -0700 (PDT) From: 54weasels <54weasels@gmail.com> To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, thuth@redhat.com, 54weasels <54weasels@gmail.com> Subject: [PATCH 6/7] tests/qtest: Add Sun-3 hardware interaction tests Date: Sat, 2 May 2026 18:57:55 -0700 Message-ID: <20260503015756.99176-7-54weasels@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260503015756.99176-1-54weasels@gmail.com> References: <20260503015756.99176-1-54weasels@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1331; envelope-from=54weasels@gmail.com; helo=mail-dy1-x1331.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sun, 03 May 2026 01:59:14 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 This adds basic architectural and register validation for the newly assembled Sun-3 machine. Signed-off-by: 54weasels <54weasels@gmail.com> --- tests/qtest/meson.build | 1 + tests/qtest/sun3-test.c | 67 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) create mode 100644 tests/qtest/sun3-test.c diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index be4fa627b5..184d1a3f8c 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -154,6 +154,7 @@ qtests_loongarch64 = qtests_filter + \ 'cpu-plug-test'] qtests_m68k = ['boot-serial-test'] + \ + ['sun3-test'] + \ qtests_filter qtests_microblaze = ['boot-serial-test'] + \ diff --git a/tests/qtest/sun3-test.c b/tests/qtest/sun3-test.c new file mode 100644 index 0000000000..50f6c166d1 --- /dev/null +++ b/tests/qtest/sun3-test.c @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * QTest device validation for the Sun-3 Machine + * + * Copyright (c) 2026 + */ + +#include "qemu/osdep.h" +#include "libqtest.h" + +/* OBIO Memory Map Addresses */ +#define SUN3_INTREG_BASE 0x0FEA0000 +#define SUN3_MEMERR_BASE 0x0FE80000 + +static void test_intreg(void) +{ + QTestState *s; + uint8_t val; + + s = qtest_init("-machine sun3 -nographic"); + + /* Default state should be 0 */ + val = qtest_readb(s, SUN3_INTREG_BASE); + g_assert_cmphex(val, ==, 0x00); + + /* Write and verify */ + qtest_writeb(s, SUN3_INTREG_BASE, 0x0f); + val = qtest_readb(s, SUN3_INTREG_BASE); + g_assert_cmphex(val, ==, 0x0f); + + qtest_quit(s); +} + +static void test_memerr(void) +{ + QTestState *s; + uint8_t val; + + s = qtest_init("-machine sun3 -nographic"); + + /* Default state should be 0x40 (default no-error) */ + val = qtest_readb(s, SUN3_MEMERR_BASE); + g_assert_cmphex(val, ==, 0x40); + + /* Test parity error spoof sequence */ + qtest_writeb(s, SUN3_MEMERR_BASE, 0x20); /* Set test_parity_written */ + qtest_writeb(s, SUN3_MEMERR_BASE, 0x50); /* Trigger spoof */ + val = qtest_readb(s, SUN3_MEMERR_BASE); + + /* + * Since we didn't clock enough parity lanes, high bit and lane 8 should + * be set (0x50 | 0x80 | 0x08 = 0xd8) + */ + g_assert_cmphex(val, ==, 0xd8); + + qtest_quit(s); +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + qtest_add_func("/m68k/sun3/intreg", test_intreg); + qtest_add_func("/m68k/sun3/memerr", test_memerr); + + return g_test_run(); +} -- 2.50.1 (Apple Git-155)