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hw/misc/bcm2835_mbox: Add trace events 

Add trace events for read/write accesses and IRQ.

Properties are structures used for the ARM particular MBOX.
Since one call in bcm2835_property.c concerns the mbox block,
name this trace event in the same bcm2835_mbox* namespace.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190926173428.10713-8-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2019-09-26 19:34:15 +02:00 committed by Peter Maydell
parent 00cbd5bd74
commit 19845504da
3 changed files with 13 additions and 0 deletions
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5
hw/misc/bcm2835_mbox.c
View File

@ -15,6 +15,7 @@
#include "migration/vmstate.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "trace.h"
#define MAIL0_PEEK 0x90
#define MAIL0_SENDER 0x94
@ -123,6 +124,7 @@ static void bcm2835_mbox_update(BCM2835MboxState *s)
set = true;
}
}
trace_bcm2835_mbox_irq(set);
qemu_set_irq(s->arm_irq, set);
}
@ -178,8 +180,10 @@ static uint64_t bcm2835_mbox_read(void *opaque, hwaddr offset, unsigned size)
default:
qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx"\n",
__func__, offset);
trace_bcm2835_mbox_read(size, offset, res);
return 0;
}
trace_bcm2835_mbox_read(size, offset, res);
bcm2835_mbox_update(s);
@ -195,6 +199,7 @@ static void bcm2835_mbox_write(void *opaque, hwaddr offset,
offset &= 0xff;
trace_bcm2835_mbox_write(size, offset, value);
switch (offset) {
case MAIL0_SENDER:
break;

2
hw/misc/bcm2835_property.c
View File

@ -13,6 +13,7 @@
#include "sysemu/dma.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "trace.h"
/* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface */
@ -283,6 +284,7 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
break;
}
trace_bcm2835_mbox_property(tag, bufsize, resplen);
if (tag == 0) {
break;
}

6
hw/misc/trace-events
View File

@ -143,3 +143,9 @@ armsse_mhu_write(uint64_t offset, uint64_t data, unsigned size) "SSE-200 MHU wri
# aspeed_xdma.c
aspeed_xdma_write(uint64_t offset, uint64_t data) "XDMA write: offset 0x%" PRIx64 " data 0x%" PRIx64
# bcm2835_mbox.c
bcm2835_mbox_write(unsigned int size, uint64_t addr, uint64_t value) "mbox write sz:%u addr:0x%"PRIx64" data:0x%"PRIx64
bcm2835_mbox_read(unsigned int size, uint64_t addr, uint64_t value) "mbox read sz:%u addr:0x%"PRIx64" data:0x%"PRIx64
bcm2835_mbox_irq(unsigned level) "mbox irq:ARM level:%u"
bcm2835_mbox_property(uint32_t tag, uint32_t bufsize, size_t resplen) "mbox property tag:0x%08x in_sz:%u out_sz:%zu"