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adb: add ADB bus trace events 

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200623204936.24064-23-mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2020-06-23 21:49:36 +01:00
parent fa6c953964
commit e590e7f014
2 changed files with 27 additions and 1 deletions
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21
hw/input/adb.c
View File

@ -29,10 +29,18 @@
#include "qemu/module.h"
#include "qemu/timer.h"
#include "adb-internal.h"
#include "trace.h"
/* error codes */
#define ADB_RET_NOTPRESENT (-2)
static const char *adb_commands[] = {
"RESET", "FLUSH", "(Reserved 0x2)", "(Reserved 0x3)",
"Reserved (0x4)", "(Reserved 0x5)", "(Reserved 0x6)", "(Reserved 0x7)",
"LISTEN r0", "LISTEN r1", "LISTEN r2", "LISTEN r3",
"TALK r0", "TALK r1", "TALK r2", "TALK r3",
};
static void adb_device_reset(ADBDevice *d)
{
qdev_reset_all(DEVICE(d));
@ -86,9 +94,16 @@ static int do_adb_request(ADBBusState *s, uint8_t *obuf, const uint8_t *buf,
int adb_request(ADBBusState *s, uint8_t *obuf, const uint8_t *buf, int len)
{
int ret;
trace_adb_bus_request(buf[0] >> 4, adb_commands[buf[0] & 0xf], len);
assert(s->autopoll_blocked);
return do_adb_request(s, obuf, buf, len);
ret = do_adb_request(s, obuf, buf, len);
trace_adb_bus_request_done(buf[0] >> 4, adb_commands[buf[0] & 0xf], ret);
return ret;
}
int adb_poll(ADBBusState *s, uint8_t *obuf, uint16_t poll_mask)
@ -161,6 +176,7 @@ void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask)
void adb_autopoll_block(ADBBusState *s)
{
s->autopoll_blocked = true;
trace_adb_bus_autopoll_block(s->autopoll_blocked);
if (s->autopoll_enabled) {
timer_del(s->autopoll_timer);
@ -170,6 +186,7 @@ void adb_autopoll_block(ADBBusState *s)
void adb_autopoll_unblock(ADBBusState *s)
{
s->autopoll_blocked = false;
trace_adb_bus_autopoll_block(s->autopoll_blocked);
if (s->autopoll_enabled) {
timer_mod(s->autopoll_timer,
@ -183,7 +200,9 @@ static void adb_autopoll(void *opaque)
ADBBusState *s = opaque;
if (!s->autopoll_blocked) {
trace_adb_bus_autopoll_cb(s->autopoll_mask);
s->autopoll_cb(s->autopoll_cb_opaque);
trace_adb_bus_autopoll_cb_done(s->autopoll_mask);
}
timer_mod(s->autopoll_timer,

7
hw/input/trace-events
View File

@ -14,6 +14,13 @@ adb_device_mouse_readreg(int reg, uint8_t val0, uint8_t val1) "reg %d obuf[0] 0x
adb_device_mouse_request_change_addr(int devaddr) "change addr to 0x%x"
adb_device_mouse_request_change_addr_and_handler(int devaddr, int handler) "change addr and handler to 0x%x, 0x%x"
# adb.c
adb_bus_request(uint8_t addr, const char *cmd, int size) "device 0x%x %s cmdsize=%d"
adb_bus_request_done(uint8_t addr, const char *cmd, int size) "device 0x%x %s replysize=%d"
adb_bus_autopoll_block(bool blocked) "blocked: %d"
adb_bus_autopoll_cb(uint16_t mask) "executing autopoll_cb with autopoll mask 0x%x"
adb_bus_autopoll_cb_done(uint16_t mask) "done executing autopoll_cb with autopoll mask 0x%x"
# pckbd.c
pckbd_kbd_read_data(uint32_t val) "0x%02x"
pckbd_kbd_read_status(int status) "0x%02x"