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authorJamin Lin <jamin_lin@aspeedtech.com>2022-05-25 10:31:33 +0200
committerCédric Le Goater <clg@kaod.org>2022-05-25 10:31:33 +0200
commit7b1d21a8ba1e6091f1e54c74e7c664e26300accc (patch)
treecfd6b74e1f3984db3c295ef4c0743edcee421047 /hw
parent6827ff20b2975e84045ba356ba3e6aadc686a53c (diff)
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hw/gpio Add GPIO read/write trace event.
Add GPIO read/write trace event for aspeed model. Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220525053444.27228-2-jamin_lin@aspeedtech.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/gpio/aspeed_gpio.c54
-rw-r--r--hw/gpio/trace-events4
2 files changed, 43 insertions, 15 deletions
diff --git a/hw/gpio/aspeed_gpio.c b/hw/gpio/aspeed_gpio.c
index 9b736e7..4620ea8 100644
--- a/hw/gpio/aspeed_gpio.c
+++ b/hw/gpio/aspeed_gpio.c
@@ -15,6 +15,7 @@
#include "qapi/visitor.h"
#include "hw/irq.h"
#include "migration/vmstate.h"
+#include "trace.h"
#define GPIOS_PER_GROUP 8
@@ -523,11 +524,15 @@ static uint64_t aspeed_gpio_read(void *opaque, hwaddr offset, uint32_t size)
uint64_t idx = -1;
const AspeedGPIOReg *reg;
GPIOSets *set;
+ uint32_t value = 0;
+ uint64_t debounce_value;
idx = offset >> 2;
if (idx >= GPIO_DEBOUNCE_TIME_1 && idx <= GPIO_DEBOUNCE_TIME_3) {
idx -= GPIO_DEBOUNCE_TIME_1;
- return (uint64_t) s->debounce_regs[idx];
+ debounce_value = (uint64_t) s->debounce_regs[idx];
+ trace_aspeed_gpio_read(offset, debounce_value);
+ return debounce_value;
}
reg = &agc->reg_table[idx];
@@ -540,38 +545,55 @@ static uint64_t aspeed_gpio_read(void *opaque, hwaddr offset, uint32_t size)
set = &s->sets[reg->set_idx];
switch (reg->type) {
case gpio_reg_data_value:
- return set->data_value;
+ value = set->data_value;
+ break;
case gpio_reg_direction:
- return set->direction;
+ value = set->direction;
+ break;
case gpio_reg_int_enable:
- return set->int_enable;
+ value = set->int_enable;
+ break;
case gpio_reg_int_sens_0:
- return set->int_sens_0;
+ value = set->int_sens_0;
+ break;
case gpio_reg_int_sens_1:
- return set->int_sens_1;
+ value = set->int_sens_1;
+ break;
case gpio_reg_int_sens_2:
- return set->int_sens_2;
+ value = set->int_sens_2;
+ break;
case gpio_reg_int_status:
- return set->int_status;
+ value = set->int_status;
+ break;
case gpio_reg_reset_tolerant:
- return set->reset_tol;
+ value = set->reset_tol;
+ break;
case gpio_reg_debounce_1:
- return set->debounce_1;
+ value = set->debounce_1;
+ break;
case gpio_reg_debounce_2:
- return set->debounce_2;
+ value = set->debounce_2;
+ break;
case gpio_reg_cmd_source_0:
- return set->cmd_source_0;
+ value = set->cmd_source_0;
+ break;
case gpio_reg_cmd_source_1:
- return set->cmd_source_1;
+ value = set->cmd_source_1;
+ break;
case gpio_reg_data_read:
- return set->data_read;
+ value = set->data_read;
+ break;
case gpio_reg_input_mask:
- return set->input_mask;
+ value = set->input_mask;
+ break;
default:
qemu_log_mask(LOG_GUEST_ERROR, "%s: no getter for offset 0x%"
HWADDR_PRIx"\n", __func__, offset);
return 0;
}
+
+ trace_aspeed_gpio_read(offset, value);
+ return value;
}
static void aspeed_gpio_write(void *opaque, hwaddr offset, uint64_t data,
@@ -585,6 +607,8 @@ static void aspeed_gpio_write(void *opaque, hwaddr offset, uint64_t data,
GPIOSets *set;
uint32_t cleared;
+ trace_aspeed_gpio_write(offset, data);
+
idx = offset >> 2;
if (idx >= GPIO_DEBOUNCE_TIME_1 && idx <= GPIO_DEBOUNCE_TIME_3) {
idx -= GPIO_DEBOUNCE_TIME_1;
diff --git a/hw/gpio/trace-events b/hw/gpio/trace-events
index 1dab99c..9736b36 100644
--- a/hw/gpio/trace-events
+++ b/hw/gpio/trace-events
@@ -27,3 +27,7 @@ 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
+
+# aspeed_gpio.c
+aspeed_gpio_read(uint64_t offset, uint64_t value) "offset: 0x%" PRIx64 " value 0x%" PRIx64
+aspeed_gpio_write(uint64_t offset, uint64_t value) "offset: 0x%" PRIx64 " value 0x%" PRIx64