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>
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@ -15,6 +15,7 @@
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#include "migration/vmstate.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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#include "trace.h"
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#define MAIL0_PEEK 0x90
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#define MAIL0_SENDER 0x94
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@ -123,6 +124,7 @@ static void bcm2835_mbox_update(BCM2835MboxState *s)
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set = true;
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}
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}
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trace_bcm2835_mbox_irq(set);
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qemu_set_irq(s->arm_irq, set);
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}
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@ -178,8 +180,10 @@ static uint64_t bcm2835_mbox_read(void *opaque, hwaddr offset, unsigned size)
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default:
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qemu_log_mask(LOG_UNIMP, "%s: Unsupported offset 0x%"HWADDR_PRIx"\n",
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__func__, offset);
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trace_bcm2835_mbox_read(size, offset, res);
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return 0;
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}
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trace_bcm2835_mbox_read(size, offset, res);
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bcm2835_mbox_update(s);
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@ -195,6 +199,7 @@ static void bcm2835_mbox_write(void *opaque, hwaddr offset,
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offset &= 0xff;
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trace_bcm2835_mbox_write(size, offset, value);
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switch (offset) {
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case MAIL0_SENDER:
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break;
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@ -13,6 +13,7 @@
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#include "sysemu/dma.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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#include "trace.h"
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/* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface */
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@ -283,6 +284,7 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
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break;
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}
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trace_bcm2835_mbox_property(tag, bufsize, resplen);
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if (tag == 0) {
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break;
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}
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@ -143,3 +143,9 @@ armsse_mhu_write(uint64_t offset, uint64_t data, unsigned size) "SSE-200 MHU wri
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# aspeed_xdma.c
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aspeed_xdma_write(uint64_t offset, uint64_t data) "XDMA write: offset 0x%" PRIx64 " data 0x%" PRIx64
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# bcm2835_mbox.c
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bcm2835_mbox_write(unsigned int size, uint64_t addr, uint64_t value) "mbox write sz:%u addr:0x%"PRIx64" data:0x%"PRIx64
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bcm2835_mbox_read(unsigned int size, uint64_t addr, uint64_t value) "mbox read sz:%u addr:0x%"PRIx64" data:0x%"PRIx64
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bcm2835_mbox_irq(unsigned level) "mbox irq:ARM level:%u"
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bcm2835_mbox_property(uint32_t tag, uint32_t bufsize, size_t resplen) "mbox property tag:0x%08x in_sz:%u out_sz:%zu"
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