summaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/scsi/esp.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 6aae6f91c2..54d008c609 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -178,7 +178,7 @@ static int esp_select(ESPState *s)
if (!s->current_dev) {
/* No such drive */
s->rregs[ESP_RSTAT] = 0;
- s->rregs[ESP_RINTR] = INTR_DC;
+ s->rregs[ESP_RINTR] |= INTR_DC;
s->rregs[ESP_RSEQ] = SEQ_0;
esp_raise_irq(s);
return -1;
@@ -245,7 +245,7 @@ static void do_busid_cmd(ESPState *s, uint8_t *buf, uint8_t busid)
}
scsi_req_continue(s->current_req);
}
- s->rregs[ESP_RINTR] = INTR_BS | INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s);
esp_lower_drq(s);
@@ -326,7 +326,7 @@ static void satn_stop_pdma_cb(ESPState *s)
trace_esp_handle_satn_stop(s->cmdlen);
s->do_cmd = 1;
s->rregs[ESP_RSTAT] = STAT_TC | STAT_CD;
- s->rregs[ESP_RINTR] = INTR_BS | INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s);
}
@@ -346,8 +346,8 @@ static void handle_satn_stop(ESPState *s)
trace_esp_handle_satn_stop(s->cmdlen);
s->cmdlen = cmdlen;
s->do_cmd = 1;
- s->rregs[ESP_RSTAT] = STAT_TC | STAT_CD;
- s->rregs[ESP_RINTR] = INTR_BS | INTR_FC;
+ s->rregs[ESP_RSTAT] = STAT_CD;
+ s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s);
} else if (cmdlen == 0) {
@@ -362,7 +362,7 @@ static void handle_satn_stop(ESPState *s)
static void write_response_pdma_cb(ESPState *s)
{
s->rregs[ESP_RSTAT] = STAT_TC | STAT_ST;
- s->rregs[ESP_RINTR] = INTR_BS | INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s);
}
@@ -376,7 +376,7 @@ static void write_response(ESPState *s)
if (s->dma_memory_write) {
s->dma_memory_write(s->dma_opaque, s->ti_buf, 2);
s->rregs[ESP_RSTAT] = STAT_TC | STAT_ST;
- s->rregs[ESP_RINTR] = INTR_BS | INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_BS | INTR_FC;
s->rregs[ESP_RSEQ] = SEQ_CD;
} else {
s->pdma_cb = write_response_pdma_cb;
@@ -395,7 +395,7 @@ 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_RINTR] |= INTR_BS;
s->rregs[ESP_RSEQ] = 0;
s->rregs[ESP_RFLAGS] = 0;
esp_set_tc(s, 0);
@@ -700,7 +700,7 @@ uint64_t esp_reg_read(ESPState *s, uint32_t saddr)
val = s->rregs[ESP_RINTR];
s->rregs[ESP_RINTR] = 0;
s->rregs[ESP_RSTAT] &= ~STAT_TC;
- s->rregs[ESP_RSEQ] = SEQ_CD;
+ s->rregs[ESP_RSEQ] = SEQ_0;
esp_lower_irq(s);
if (s->deferred_complete) {
esp_report_command_complete(s, s->deferred_status);
@@ -771,9 +771,6 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
/*s->ti_size = 0;*/
s->ti_wptr = 0;
s->ti_rptr = 0;
- s->rregs[ESP_RINTR] = INTR_FC;
- s->rregs[ESP_RSEQ] = 0;
- s->rregs[ESP_RFLAGS] = 0;
break;
case CMD_RESET:
trace_esp_mem_writeb_cmd_reset(val);
@@ -781,8 +778,8 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
break;
case CMD_BUSRESET:
trace_esp_mem_writeb_cmd_bus_reset(val);
- s->rregs[ESP_RINTR] = INTR_RST;
if (!(s->wregs[ESP_CFG1] & CFG1_RESREPT)) {
+ s->rregs[ESP_RINTR] |= INTR_RST;
esp_raise_irq(s);
}
break;
@@ -793,12 +790,12 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
case CMD_ICCS:
trace_esp_mem_writeb_cmd_iccs(val);
write_response(s);
- s->rregs[ESP_RINTR] = INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_FC;
s->rregs[ESP_RSTAT] |= STAT_MI;
break;
case CMD_MSGACC:
trace_esp_mem_writeb_cmd_msgacc(val);
- s->rregs[ESP_RINTR] = INTR_DC;
+ s->rregs[ESP_RINTR] |= INTR_DC;
s->rregs[ESP_RSEQ] = 0;
s->rregs[ESP_RFLAGS] = 0;
esp_raise_irq(s);
@@ -806,7 +803,7 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
case CMD_PAD:
trace_esp_mem_writeb_cmd_pad(val);
s->rregs[ESP_RSTAT] = STAT_TC;
- s->rregs[ESP_RINTR] = INTR_FC;
+ s->rregs[ESP_RINTR] |= INTR_FC;
s->rregs[ESP_RSEQ] = 0;
break;
case CMD_SATN: