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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>
This commit is contained in:
Mark Cave-Ayland 2021-03-04 22:10:28 +00:00
parent b630c075a2
commit 960ebfd94e
2 changed files with 10 additions and 0 deletions
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6
hw/scsi/esp.c
View File

@ -63,11 +63,13 @@ static void esp_lower_irq(ESPState *s)
static void esp_raise_drq(ESPState *s) static void esp_raise_drq(ESPState *s)
{ {
qemu_irq_raise(s->irq_data); qemu_irq_raise(s->irq_data);
trace_esp_raise_drq();
} }
static void esp_lower_drq(ESPState *s) static void esp_lower_drq(ESPState *s)
{ {
qemu_irq_lower(s->irq_data); qemu_irq_lower(s->irq_data);
trace_esp_lower_drq();
} }
void esp_dma_enable(ESPState *s, int irq, int level) 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; uint32_t dmalen;
uint8_t *buf = get_pdma_buf(s); uint8_t *buf = get_pdma_buf(s);
trace_esp_pdma_write(size);
dmalen = s->rregs[ESP_TCLO]; dmalen = s->rregs[ESP_TCLO];
dmalen |= s->rregs[ESP_TCMID] << 8; dmalen |= s->rregs[ESP_TCMID] << 8;
dmalen |= s->rregs[ESP_TCHI] << 16; 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); uint8_t *buf = get_pdma_buf(s);
uint64_t val = 0; uint64_t val = 0;
trace_esp_pdma_read(size);
if (s->pdma_len == 0) { if (s->pdma_len == 0) {
return 0; return 0;
} }

4
hw/scsi/trace-events
View File

@ -159,8 +159,12 @@ esp_error_unhandled_command(uint32_t val) "unhandled command (0x%2.2x)"
esp_error_invalid_write(uint32_t val, uint32_t addr) "invalid write of 0x%02x at [0x%x]" esp_error_invalid_write(uint32_t val, uint32_t addr) "invalid write of 0x%02x at [0x%x]"
esp_raise_irq(void) "Raise IRQ" esp_raise_irq(void) "Raise IRQ"
esp_lower_irq(void) "Lower IRQ" esp_lower_irq(void) "Lower IRQ"
esp_raise_drq(void) "Raise DREQ"
esp_lower_drq(void) "Lower DREQ"
esp_dma_enable(void) "Raise enable" esp_dma_enable(void) "Raise enable"
esp_dma_disable(void) "Lower enable" esp_dma_disable(void) "Lower enable"
esp_pdma_read(int size) "pDMA read %u bytes"
esp_pdma_write(int size) "pDMA write %u bytes"
esp_get_cmd(uint32_t dmalen, int target) "len %d target %d" esp_get_cmd(uint32_t dmalen, int target) "len %d target %d"
esp_do_busid_cmd(uint8_t busid) "busid 0x%x" esp_do_busid_cmd(uint8_t busid) "busid 0x%x"
esp_handle_satn_stop(uint32_t cmdlen) "cmdlen %d" esp_handle_satn_stop(uint32_t cmdlen) "cmdlen %d"