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Sun, 25 Feb 2024 16:03:39 -0800 (PST) From: Sergey Kambalin X-Google-Original-From: Sergey Kambalin To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, Sergey Kambalin Subject: [PATCH v6 31/41] Add mailbox test stub Date: Sun, 25 Feb 2024 18:02:49 -0600 Message-Id: <20240226000259.2752893-32-sergey.kambalin@auriga.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240226000259.2752893-1-sergey.kambalin@auriga.com> References: <20240226000259.2752893-1-sergey.kambalin@auriga.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::112f; envelope-from=serg.oker@gmail.com; helo=mail-yw1-x112f.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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Sergey Kambalin Reviewed-by: Peter Maydell --- tests/qtest/bcm2838-mailbox.c | 60 +++++++++++++++++++++++++++++++++++ tests/qtest/bcm2838-mailbox.h | 37 +++++++++++++++++++++ tests/qtest/meson.build | 1 + 3 files changed, 98 insertions(+) create mode 100644 tests/qtest/bcm2838-mailbox.c create mode 100644 tests/qtest/bcm2838-mailbox.h diff --git a/tests/qtest/bcm2838-mailbox.c b/tests/qtest/bcm2838-mailbox.c new file mode 100644 index 0000000000..0928a3dff8 --- /dev/null +++ b/tests/qtest/bcm2838-mailbox.c @@ -0,0 +1,60 @@ +/* + * Helper functions to work with BCM2838 mailbox via qtest interface. + * + * Copyright (c) 2023 Auriga LLC + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/registerfields.h" +#include "libqtest-single.h" +#include "bcm2838-mailbox.h" + +REG32(MBOX_EXCHNG_REG, 0) +FIELD(MBOX_EXCHNG_REG, CHANNEL, 0, 4) +FIELD(MBOX_EXCHNG_REG, DATA, 4, 28) + +static uint32_t qtest_mbox0_read_reg32(QTestState *s, uint32_t offset) +{ + return qtest_readl(s, MBOX0_BASE + offset); +} + +static void qtest_mbox1_write_reg32(QTestState *s, uint32_t offset, uint32_t value) +{ + return qtest_writel(s, MBOX1_BASE + offset, value); +} + +static void qtest_mbox1_write(QTestState *s, uint8_t channel, uint32_t data) +{ + uint32_t mbox_reg = 0; + + mbox_reg = FIELD_DP32(mbox_reg, MBOX_EXCHNG_REG, CHANNEL, channel); + mbox_reg = FIELD_DP32(mbox_reg, MBOX_EXCHNG_REG, DATA, data); + qtest_mbox1_write_reg32(s, MBOX_REG_WRITE, mbox_reg); +} + +int qtest_mbox0_has_data(QTestState *s) { + return !(qtest_mbox0_read_reg32(s, MBOX_REG_STATUS) & MBOX_READ_EMPTY); +} + +void qtest_mbox0_read_message(QTestState *s, + uint8_t channel, + void *msgbuf, + size_t msgbuf_size) +{ + uint32_t mbox_reg; + uint32_t msgaddr; + + g_assert(qtest_mbox0_has_data(s)); + mbox_reg = qtest_mbox0_read_reg32(s, MBOX_REG_READ); + g_assert_cmphex(FIELD_EX32(mbox_reg, MBOX_EXCHNG_REG, CHANNEL), ==, channel); + msgaddr = FIELD_EX32(mbox_reg, MBOX_EXCHNG_REG, DATA) << 4; + qtest_memread(s, msgaddr, msgbuf, msgbuf_size); +} + +void qtest_mbox1_write_message(QTestState *s, uint8_t channel, uint32_t msg_addr) +{ + qtest_mbox1_write(s, channel, msg_addr >> 4); +} diff --git a/tests/qtest/bcm2838-mailbox.h b/tests/qtest/bcm2838-mailbox.h new file mode 100644 index 0000000000..e9e1f53bc9 --- /dev/null +++ b/tests/qtest/bcm2838-mailbox.h @@ -0,0 +1,37 @@ +/* + * Declarations for BCM2838 mailbox test. + * + * Copyright (c) 2023 Auriga LLC + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +typedef struct { + uint32_t size; + uint32_t req_resp_code; +} MboxBufHeader; + +#define DECLARE_TAG_TYPE(TypeName, RequestValueType, ResponseValueType) \ +typedef struct { \ + uint32_t id; \ + uint32_t value_buffer_size; \ + union { \ + struct { \ + uint32_t zero; \ + RequestValueType value; \ + } request; \ + struct { \ + uint32_t size_stat; \ + ResponseValueType value; \ + } response; \ + }; \ +} TypeName + + +int mbox0_has_data(void); +void mbox0_read_message(uint8_t channel, void *msgbuf, size_t msgbuf_size); +void mbox1_write_message(uint8_t channel, uint32_t msg_addr); +int qtest_mbox0_has_data(QTestState *s); +void qtest_mbox0_read_message(QTestState *s, uint8_t channel, void *msgbuf, size_t msgbuf_size); +void qtest_mbox1_write_message(QTestState *s, uint8_t channel, uint32_t msg_addr); diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 6ea77893f5..e49ce4f092 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -334,6 +334,7 @@ qtests = { 'virtio-net-failover': files('migration-helpers.c'), 'vmgenid-test': files('boot-sector.c', 'acpi-utils.c'), 'netdev-socket': files('netdev-socket.c', '../unit/socket-helpers.c'), + 'bcm2838-mbox-property-test' : files('bcm2838-mailbox.c'), } if vnc.found()