esp: add PDMA trace events

This will become more useful later when trying to debug mixed FIFO and PDMA
requests.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210304221103.6369-8-mark.cave-ayland@ilande.co.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 16c1853577..e0676ae790 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -63,11 +63,13 @@ static void esp_lower_irq(ESPState *s)
 static void esp_raise_drq(ESPState *s)
 {
     qemu_irq_raise(s->irq_data);
+    trace_esp_raise_drq();
 }
 
 static void esp_lower_drq(ESPState *s)
 {
     qemu_irq_lower(s->irq_data);
+    trace_esp_lower_drq();
 }
 
 void esp_dma_enable(ESPState *s, int irq, int level)
@@ -885,6 +887,8 @@ static void sysbus_esp_pdma_write(void *opaque, hwaddr addr,
     uint32_t dmalen;
     uint8_t *buf = get_pdma_buf(s);
 
+    trace_esp_pdma_write(size);
+
     dmalen = s->rregs[ESP_TCLO];
     dmalen |= s->rregs[ESP_TCMID] << 8;
     dmalen |= s->rregs[ESP_TCHI] << 16;
@@ -922,6 +926,8 @@ static uint64_t sysbus_esp_pdma_read(void *opaque, hwaddr addr,
     uint8_t *buf = get_pdma_buf(s);
     uint64_t val = 0;
 
+    trace_esp_pdma_read(size);
+
     if (s->pdma_len == 0) {
         return 0;
     }