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aac63e0e6e
Add a clock input to the PL011 UART so we can compute the current baud rate and trace it. This is intended for developers who wish to use QEMU to e.g. debug their firmware or to figure out the baud rate configured by an unknown/closed source binary. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Luc Michel <luc@lmichel.fr> Tested-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
105 lines
6.3 KiB
Plaintext
105 lines
6.3 KiB
Plaintext
# See docs/devel/tracing.txt for syntax documentation.
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# parallel.c
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parallel_ioport_read(const char *desc, uint16_t addr, uint8_t value) "read [%s] addr 0x%02x val 0x%02x"
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parallel_ioport_write(const char *desc, uint16_t addr, uint8_t value) "write [%s] addr 0x%02x val 0x%02x"
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# serial.c
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serial_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
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serial_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
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serial_update_parameters(uint64_t baudrate, char parity, int data_bits, int stop_bits) "baudrate=%"PRIu64" parity='%c' data=%d stop=%d"
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# virtio-serial-bus.c
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virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"
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virtio_serial_throttle_port(unsigned int port, bool throttle) "port %u, throttle %d"
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virtio_serial_handle_control_message(uint16_t event, uint16_t value) "event %u, value %u"
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virtio_serial_handle_control_message_port(unsigned int port) "port %u"
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# virtio-console.c
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virtio_console_flush_buf(unsigned int port, size_t len, ssize_t ret) "port %u, in_len %zu, out_len %zd"
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virtio_console_chr_read(unsigned int port, int size) "port %u, size %d"
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virtio_console_chr_event(unsigned int port, int event) "port %u, event %d"
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# grlib_apbuart.c
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grlib_apbuart_event(int event) "event:%d"
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grlib_apbuart_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
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grlib_apbuart_readl_unknown(uint64_t addr) "addr 0x%"PRIx64
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# lm32_juart.c
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lm32_juart_get_jtx(uint32_t value) "jtx 0x%08x"
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lm32_juart_set_jtx(uint32_t value) "jtx 0x%08x"
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lm32_juart_get_jrx(uint32_t value) "jrx 0x%08x"
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lm32_juart_set_jrx(uint32_t value) "jrx 0x%08x"
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# lm32_uart.c
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lm32_uart_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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lm32_uart_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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lm32_uart_irq_state(int level) "irq state %d"
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# milkymist-uart.c
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milkymist_uart_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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milkymist_uart_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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milkymist_uart_raise_irq(void) "Raise IRQ"
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milkymist_uart_lower_irq(void) "Lower IRQ"
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# escc.c
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escc_put_queue(char channel, int b) "channel %c put: 0x%02x"
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escc_get_queue(char channel, int val) "channel %c get 0x%02x"
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escc_update_irq(int irq) "IRQ = %d"
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escc_update_parameters(char channel, int speed, int parity, int data_bits, int stop_bits) "channel %c: speed=%d parity=%c data=%d stop=%d"
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escc_mem_writeb_ctrl(char channel, uint32_t reg, uint32_t val) "Write channel %c, reg[%d] = 0x%2.2x"
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escc_mem_writeb_data(char channel, uint32_t val) "Write channel %c, ch %d"
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escc_mem_readb_ctrl(char channel, uint32_t reg, uint8_t val) "Read channel %c, reg[%d] = 0x%2.2x"
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escc_mem_readb_data(char channel, uint32_t ret) "Read channel %c, ch %d"
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escc_serial_receive_byte(char channel, int ch) "channel %c put ch %d"
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escc_sunkbd_event_in(int ch, const char *name, int down) "QKeyCode 0x%2.2x [%s], down %d"
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escc_sunkbd_event_out(int ch) "Translated keycode 0x%2.2x"
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escc_kbd_command(int val) "Command %d"
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escc_sunmouse_event(int dx, int dy, int buttons_state) "dx=%d dy=%d buttons=0x%01x"
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# pl011.c
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pl011_irq_state(int level) "irq state %d"
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pl011_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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pl011_read_fifo(int read_count) "FIFO read, read_count now %d"
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pl011_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
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pl011_can_receive(uint32_t lcr, int read_count, int r) "LCR 0x%08x read_count %d returning %d"
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pl011_put_fifo(uint32_t c, int read_count) "new char 0x%x read_count now %d"
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pl011_put_fifo_full(void) "FIFO now full, RXFF set"
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pl011_baudrate_change(unsigned int baudrate, uint64_t clock, uint32_t ibrd, uint32_t fbrd) "new baudrate %u (clk: %" PRIu64 "hz, ibrd: %" PRIu32 ", fbrd: %" PRIu32 ")"
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# cmsdk-apb-uart.c
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cmsdk_apb_uart_read(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB UART read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
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cmsdk_apb_uart_write(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB UART write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
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cmsdk_apb_uart_reset(void) "CMSDK APB UART: reset"
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cmsdk_apb_uart_receive(uint8_t c) "CMSDK APB UART: got character 0x%x from backend"
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cmsdk_apb_uart_tx_pending(void) "CMSDK APB UART: character send to backend pending"
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cmsdk_apb_uart_tx(uint8_t c) "CMSDK APB UART: character 0x%x sent to backend"
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cmsdk_apb_uart_set_params(int speed) "CMSDK APB UART: params set to %d 8N1"
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# nrf51_uart.c
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nrf51_uart_read(uint64_t addr, uint64_t r, unsigned int size) "addr 0x%" PRIx64 " value 0x%" PRIx64 " size %u"
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nrf51_uart_write(uint64_t addr, uint64_t value, unsigned int size) "addr 0x%" PRIx64 " value 0x%" PRIx64 " size %u"
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# exynos4210_uart.c
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exynos_uart_dmabusy(uint32_t channel) "UART%d: DMA busy (Rx buffer empty)"
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exynos_uart_dmaready(uint32_t channel) "UART%d: DMA ready"
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exynos_uart_irq_raised(uint32_t channel, uint32_t reg) "UART%d: IRQ raised: 0x%08"PRIx32
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exynos_uart_irq_lowered(uint32_t channel) "UART%d: IRQ lowered"
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exynos_uart_update_params(uint32_t channel, int speed, uint8_t parity, int data, int stop, uint64_t wordtime) "UART%d: speed: %d, parity: %c, data bits: %d, stop bits: %d wordtime: %"PRId64"ns"
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exynos_uart_write(uint32_t channel, uint32_t offset, const char *name, uint64_t val) "UART%d: <0x%04x> %s <- 0x%" PRIx64
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exynos_uart_read(uint32_t channel, uint32_t offset, const char *name, uint64_t val) "UART%d: <0x%04x> %s -> 0x%" PRIx64
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exynos_uart_rx_fifo_reset(uint32_t channel) "UART%d: Rx FIFO Reset"
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exynos_uart_tx_fifo_reset(uint32_t channel) "UART%d: Tx FIFO Reset"
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exynos_uart_tx(uint32_t channel, uint8_t ch) "UART%d: Tx 0x%02"PRIx32
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exynos_uart_intclr(uint32_t channel, uint32_t reg) "UART%d: interrupts cleared: 0x%08"PRIx32
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exynos_uart_ro_write(uint32_t channel, const char *name, uint32_t reg) "UART%d: Trying to write into RO register: %s [0x%04"PRIx32"]"
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exynos_uart_rx(uint32_t channel, uint8_t ch) "UART%d: Rx 0x%02"PRIx32
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exynos_uart_rx_error(uint32_t channel) "UART%d: Rx error"
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exynos_uart_wo_read(uint32_t channel, const char *name, uint32_t reg) "UART%d: Trying to read from WO register: %s [0x%04"PRIx32"]"
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exynos_uart_rxsize(uint32_t channel, uint32_t size) "UART%d: Rx FIFO size: %d"
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exynos_uart_channel_error(uint32_t channel) "Wrong UART channel number: %d"
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exynos_uart_rx_timeout(uint32_t channel, uint32_t stat, uint32_t intsp) "UART%d: Rx timeout stat=0x%x intsp=0x%x"
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# cadence_uart.c
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cadence_uart_baudrate(unsigned baudrate) "baudrate %u"
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