Hii Phil, A gentle reminder to push these patches. Thanks, Niteesh. On Sat, Mar 13, 2021 at 10:51 PM Niteesh G. S. wrote: > Reviewed-by: Niteesh G S > > On Sat, Mar 13, 2021 at 10:25 PM Philippe Mathieu-Daudé > wrote: > >> From: G S Niteesh Babu >> >> Added tracing for gpio read, write, and update output irq. >> >> 1) trace_avr_gpio_update_ouput_irq >> 2) trace_avr_gpio_read >> 3) trace_avr_gpio_write >> >> Signed-off-by: G S Niteesh Babu >> Reviewed-by: Michael Rolnik >> Message-Id: <20210311135539.10206-3-niteesh.gs@gmail.com> >> [PMD: Added port_name(), display port name in trace events] >> Signed-off-by: Philippe Mathieu-Daudé >> --- >> hw/gpio/avr_gpio.c | 26 +++++++++++++++++++++----- >> hw/gpio/trace-events | 5 +++++ >> 2 files changed, 26 insertions(+), 5 deletions(-) >> >> diff --git a/hw/gpio/avr_gpio.c b/hw/gpio/avr_gpio.c >> index e4c7122e62c..29252d6ccfe 100644 >> --- a/hw/gpio/avr_gpio.c >> +++ b/hw/gpio/avr_gpio.c >> @@ -2,6 +2,7 @@ >> * AVR processors GPIO registers emulation. >> * >> * Copyright (C) 2020 Heecheol Yang >> + * Copyright (C) 2021 Niteesh Babu G S >> * >> * This program is free software; you can redistribute it and/or >> * modify it under the terms of the GNU General Public License as >> @@ -26,6 +27,12 @@ >> #include "hw/gpio/avr_gpio.h" >> #include "hw/qdev-properties.h" >> #include "migration/vmstate.h" >> +#include "trace.h" >> + >> +static char port_name(AVRGPIOState *s) >> +{ >> + return 'A' + s->id; >> +} >> >> static void avr_gpio_reset(DeviceState *dev) >> { >> @@ -47,32 +54,41 @@ static void avr_gpio_write_port(AVRGPIOState *s, >> uint64_t value) >> >> if (cur_ddr_pin_val && (cur_port_pin_val != new_port_pin_val)) { >> qemu_set_irq(s->out[pin], new_port_pin_val); >> + trace_avr_gpio_update_output_irq(port_name(s), pin, >> new_port_pin_val); >> } >> } >> s->reg.port = value & s->reg.ddr; >> } >> static uint64_t avr_gpio_read(void *opaque, hwaddr offset, unsigned int >> size) >> { >> + uint8_t val = 0; >> AVRGPIOState *s = (AVRGPIOState *)opaque; >> switch (offset) { >> case GPIO_PIN: >> - return s->reg.pin; >> + val = s->reg.pin; >> + break; >> case GPIO_DDR: >> - return s->reg.ddr; >> + val = s->reg.ddr; >> + break; >> case GPIO_PORT: >> - return s->reg.port; >> + val = s->reg.port; >> + break; >> default: >> g_assert_not_reached(); >> break; >> } >> - return 0; >> + >> + trace_avr_gpio_read(port_name(s), offset, val); >> + return val; >> } >> >> static void avr_gpio_write(void *opaque, hwaddr offset, uint64_t value, >> unsigned int size) >> { >> AVRGPIOState *s = (AVRGPIOState *)opaque; >> - value = value & 0xF; >> + value = value & 0xFF; >> + >> + trace_avr_gpio_write(port_name(s), offset, value); >> switch (offset) { >> case GPIO_PIN: >> s->reg.pin = value; >> diff --git a/hw/gpio/trace-events b/hw/gpio/trace-events >> index 46ab9323bd0..640834597a8 100644 >> --- a/hw/gpio/trace-events >> +++ b/hw/gpio/trace-events >> @@ -18,3 +18,8 @@ sifive_gpio_read(uint64_t offset, uint64_t r) "offset >> 0x%" PRIx64 " value 0x%" P >> sifive_gpio_write(uint64_t offset, uint64_t value) "offset 0x%" PRIx64 " >> value 0x%" PRIx64 >> sifive_gpio_set(int64_t line, int64_t value) "line %" PRIi64 " value %" >> PRIi64 >> sifive_gpio_update_output_irq(int64_t line, int64_t value) "line %" >> PRIi64 " value %" PRIi64 >> + >> +# avr_gpio.c >> +avr_gpio_read(unsigned id, uint64_t offset, uint64_t r) "port %c offset >> 0x%" PRIx64 " value 0x%" PRIx64 >> +avr_gpio_write(unsigned id, uint64_t offset, uint64_t value) "port %c >> offset 0x%" PRIx64 " value 0x%" PRIx64 >> +avr_gpio_update_output_irq(unsigned id, int64_t line, int64_t value) >> "port %c pin %" PRIi64 " value %" PRIi64 >> -- >> 2.26.2 >> >>