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| author | Luc Michel <luc@lmichel.fr> | 2020-10-10 15:57:58 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-10-27 11:10:44 +0000 |
| commit | aac63e0e6ea30b521370d3e3477cdcec17035d02 (patch) | |
| tree | 830692c325450176789955a7b497f2f5666d95b6 /hw/char/trace-events | |
| parent | 83ad469547812bb77faec1e98226f2859ab158d9 (diff) | |
| download | qemu-aac63e0e6ea30b521370d3e3477cdcec17035d02.zip qemu-aac63e0e6ea30b521370d3e3477cdcec17035d02.tar.gz qemu-aac63e0e6ea30b521370d3e3477cdcec17035d02.tar.bz2 | |
hw/char/pl011: add a clock input
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>
Diffstat (limited to 'hw/char/trace-events')
| -rw-r--r-- | hw/char/trace-events | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/char/trace-events b/hw/char/trace-events index 609df10..81026f6 100644 --- a/hw/char/trace-events +++ b/hw/char/trace-events @@ -65,6 +65,7 @@ pl011_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x" pl011_can_receive(uint32_t lcr, int read_count, int r) "LCR 0x%08x read_count %d returning %d" pl011_put_fifo(uint32_t c, int read_count) "new char 0x%x read_count now %d" pl011_put_fifo_full(void) "FIFO now full, RXFF set" +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 ")" # cmsdk-apb-uart.c cmsdk_apb_uart_read(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB UART read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u" |