diff options
-rw-r--r-- | hw/scsi/esp.c | 74 | ||||
-rw-r--r-- | include/hw/scsi/esp.h | 6 |
2 files changed, 8 insertions, 72 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index aa897a4ebd..79b84e31d3 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -127,32 +127,14 @@ static uint32_t esp_get_stc(ESPState *s) return dmalen; } -static void set_pdma(ESPState *s, enum pdma_origin_id origin) -{ - s->pdma_origin = origin; -} - static uint8_t esp_pdma_read(ESPState *s) { uint8_t val; - switch (s->pdma_origin) { - case TI: - if (s->do_cmd) { - val = s->cmdbuf[s->cmdlen++]; - } else { - val = s->ti_buf[s->ti_rptr++]; - } - break; - case ASYNC: - val = s->async_buf[0]; - if (s->async_len > 0) { - s->async_len--; - s->async_buf++; - } - break; - default: - g_assert_not_reached(); + if (s->do_cmd) { + val = s->cmdbuf[s->cmdlen++]; + } else { + val = s->ti_buf[s->ti_rptr++]; } return val; @@ -166,23 +148,10 @@ static void esp_pdma_write(ESPState *s, uint8_t val) return; } - switch (s->pdma_origin) { - case TI: - if (s->do_cmd) { - s->cmdbuf[s->cmdlen++] = val; - } else { - s->ti_buf[s->ti_wptr++] = val; - } - break; - case ASYNC: - s->async_buf[0] = val; - if (s->async_len > 0) { - s->async_len--; - s->async_buf++; - } - break; - default: - g_assert_not_reached(); + if (s->do_cmd) { + s->cmdbuf[s->cmdlen++] = val; + } else { + s->ti_buf[s->ti_wptr++] = val; } dmalen--; @@ -232,7 +201,6 @@ static uint32_t get_cmd(ESPState *s) if (s->dma_memory_read) { s->dma_memory_read(s->dma_opaque, buf, dmalen); } else { - set_pdma(s, TI); if (esp_select(s) < 0) { return -1; } @@ -411,7 +379,6 @@ static void write_response(ESPState *s) s->rregs[ESP_RINTR] = INTR_BS | INTR_FC; s->rregs[ESP_RSEQ] = SEQ_CD; } else { - set_pdma(s, TI); s->pdma_cb = write_response_pdma_cb; esp_raise_drq(s); return; @@ -522,7 +489,6 @@ static void esp_do_dma(ESPState *s) if (s->dma_memory_read) { s->dma_memory_read(s->dma_opaque, &s->cmdbuf[s->cmdlen], len); } else { - set_pdma(s, TI); s->pdma_cb = do_dma_pdma_cb; esp_raise_drq(s); return; @@ -545,7 +511,6 @@ static void esp_do_dma(ESPState *s) if (s->dma_memory_read) { s->dma_memory_read(s->dma_opaque, s->async_buf, len); } else { - set_pdma(s, TI); s->pdma_cb = do_dma_pdma_cb; esp_raise_drq(s); return; @@ -562,7 +527,6 @@ static void esp_do_dma(ESPState *s) s->async_len -= len; s->ti_size -= len; esp_set_tc(s, esp_get_tc(s) - len); - set_pdma(s, TI); s->pdma_cb = do_dma_pdma_cb; esp_raise_drq(s); @@ -898,24 +862,6 @@ static bool esp_mem_accepts(void *opaque, hwaddr addr, return (size == 1) || (is_write && size == 4); } -static bool esp_pdma_needed(void *opaque) -{ - ESPState *s = opaque; - return s->dma_memory_read == NULL && s->dma_memory_write == NULL && - s->dma_enabled; -} - -static const VMStateDescription vmstate_esp_pdma = { - .name = "esp/pdma", - .version_id = 2, - .minimum_version_id = 2, - .needed = esp_pdma_needed, - .fields = (VMStateField[]) { - VMSTATE_INT32(pdma_origin, ESPState), - VMSTATE_END_OF_LIST() - } -}; - static bool esp_is_before_version_5(void *opaque, int version_id) { ESPState *s = ESP(opaque); @@ -970,10 +916,6 @@ const VMStateDescription vmstate_esp = { VMSTATE_UINT32_TEST(mig_dma_left, ESPState, esp_is_before_version_5), VMSTATE_END_OF_LIST() }, - .subsections = (const VMStateDescription * []) { - &vmstate_esp_pdma, - NULL - } }; static void sysbus_esp_mem_write(void *opaque, hwaddr addr, diff --git a/include/hw/scsi/esp.h b/include/hw/scsi/esp.h index dbbbb3fc52..91f8ffd6c8 100644 --- a/include/hw/scsi/esp.h +++ b/include/hw/scsi/esp.h @@ -15,11 +15,6 @@ typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len); typedef struct ESPState ESPState; -enum pdma_origin_id { - TI, - ASYNC, -}; - #define TYPE_ESP "esp" OBJECT_DECLARE_SIMPLE_TYPE(ESPState, ESP) @@ -55,7 +50,6 @@ struct ESPState { ESPDMAMemoryReadWriteFunc dma_memory_write; void *dma_opaque; void (*dma_cb)(ESPState *s); - int pdma_origin; void (*pdma_cb)(ESPState *s); uint8_t mig_version_id; |