esp.c: remove another set of manual STAT_TC updates

Following on from the recent changes to when the TC is updated, it is now
possible to remove another set of manual STAT_TC updates so that its state
is now managed within esp_set_tc().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-16-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 3fc7417d7cc3148d77a1cb308cf2f7e74bbf7869..6fd5c8767a129f8a9f8bd6a99259792f40d06493 100644 (file)
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -513,7 +513,6 @@ static void handle_satn_stop(ESPState *s)
 static void write_response_pdma_cb(ESPState *s)
 {
     esp_set_phase(s, STAT_ST);
-    s->rregs[ESP_RSTAT] |= STAT_TC;
     s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
     s->rregs[ESP_RSEQ] = SEQ_CD;
     esp_raise_irq(s);
@@ -532,7 +531,6 @@ static void write_response(ESPState *s)
         if (s->dma_memory_write) {
             s->dma_memory_write(s->dma_opaque, buf, 2);
             esp_set_phase(s, STAT_ST);
-            s->rregs[ESP_RSTAT] |= STAT_TC;
             s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
             s->rregs[ESP_RSEQ] = SEQ_CD;
         } else {
@@ -550,10 +548,8 @@ static void write_response(ESPState *s)
 
 static void esp_dma_done(ESPState *s)
 {
-    s->rregs[ESP_RSTAT] |= STAT_TC;
     s->rregs[ESP_RINTR] |= INTR_BS;
     s->rregs[ESP_RFLAGS] = 0;
-    esp_set_tc(s, 0);
     esp_raise_irq(s);
 }
 
@@ -592,7 +588,6 @@ static void do_dma_pdma_cb(ESPState *s)
              */
             s->cmdfifo_cdb_offset = fifo8_num_used(&s->cmdfifo);
             esp_set_phase(s, STAT_CD);
-            s->rregs[ESP_RSTAT] |= STAT_TC;
             s->rregs[ESP_RSEQ] = SEQ_CD;
             s->rregs[ESP_RINTR] |= INTR_BS;
             esp_raise_irq(s);
@@ -699,7 +694,6 @@ static void esp_do_dma(ESPState *s)
              */
             s->cmdfifo_cdb_offset = fifo8_num_used(&s->cmdfifo);
             esp_set_phase(s, STAT_CD);
-            s->rregs[ESP_RSTAT] |= STAT_TC;
             s->rregs[ESP_RSEQ] = SEQ_CD;
             s->rregs[ESP_RINTR] |= INTR_BS;
             esp_raise_irq(s);
@@ -829,7 +823,6 @@ static void esp_do_nodma(ESPState *s)
              */
             s->cmdfifo_cdb_offset = fifo8_num_used(&s->cmdfifo);
             esp_set_phase(s, STAT_CD);
-            s->rregs[ESP_RSTAT] |= STAT_TC;
             s->rregs[ESP_RSEQ] = SEQ_CD;
             s->rregs[ESP_RINTR] |= INTR_BS;
             esp_raise_irq(s);
@@ -952,7 +945,6 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len)
          * completion interrupt
          */
         s->data_in_ready = true;
-        s->rregs[ESP_RSTAT] |= STAT_TC;
         s->rregs[ESP_RINTR] |= INTR_BS;
         esp_raise_irq(s);
     }
@@ -997,7 +989,6 @@ static void handle_ti(ESPState *s)
     if (s->dma) {
         dmalen = esp_get_tc(s);
         trace_esp_handle_ti(dmalen);
-        s->rregs[ESP_RSTAT] &= ~STAT_TC;
         esp_do_dma(s);
     } else {
         trace_esp_handle_ti(s->ti_size);
@@ -1152,7 +1143,6 @@ uint64_t esp_reg_read(ESPState *s, uint32_t saddr)
                      * of the FIFO so switch to status phase
                      */
                     esp_set_phase(s, STAT_ST);
-                    s->rregs[ESP_RSTAT] |= STAT_TC;
                 }
             }
             s->rregs[ESP_FIFO] = esp_fifo_pop(&s->fifo);