diff options
Diffstat (limited to 'hw/esp.c')
| -rw-r--r-- | hw/esp.c | 125 |
1 files changed, 8 insertions, 117 deletions
@@ -25,7 +25,6 @@ #include "sysbus.h" #include "pci.h" -#include "scsi.h" #include "esp.h" #include "trace.h" #include "qemu-log.h" @@ -38,114 +37,6 @@ * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR53C9X.txt */ -#define ESP_REGS 16 -#define TI_BUFSZ 16 - -typedef struct ESPState ESPState; - -struct ESPState { - uint8_t rregs[ESP_REGS]; - uint8_t wregs[ESP_REGS]; - qemu_irq irq; - uint8_t chip_id; - int32_t ti_size; - uint32_t ti_rptr, ti_wptr; - uint32_t status; - uint32_t dma; - uint8_t ti_buf[TI_BUFSZ]; - SCSIBus bus; - SCSIDevice *current_dev; - SCSIRequest *current_req; - uint8_t cmdbuf[TI_BUFSZ]; - uint32_t cmdlen; - uint32_t do_cmd; - - /* The amount of data left in the current DMA transfer. */ - uint32_t dma_left; - /* The size of the current DMA transfer. Zero if no transfer is in - progress. */ - uint32_t dma_counter; - int dma_enabled; - - uint32_t async_len; - uint8_t *async_buf; - - ESPDMAMemoryReadWriteFunc dma_memory_read; - ESPDMAMemoryReadWriteFunc dma_memory_write; - void *dma_opaque; - void (*dma_cb)(ESPState *s); -}; - -#define ESP_TCLO 0x0 -#define ESP_TCMID 0x1 -#define ESP_FIFO 0x2 -#define ESP_CMD 0x3 -#define ESP_RSTAT 0x4 -#define ESP_WBUSID 0x4 -#define ESP_RINTR 0x5 -#define ESP_WSEL 0x5 -#define ESP_RSEQ 0x6 -#define ESP_WSYNTP 0x6 -#define ESP_RFLAGS 0x7 -#define ESP_WSYNO 0x7 -#define ESP_CFG1 0x8 -#define ESP_RRES1 0x9 -#define ESP_WCCF 0x9 -#define ESP_RRES2 0xa -#define ESP_WTEST 0xa -#define ESP_CFG2 0xb -#define ESP_CFG3 0xc -#define ESP_RES3 0xd -#define ESP_TCHI 0xe -#define ESP_RES4 0xf - -#define CMD_DMA 0x80 -#define CMD_CMD 0x7f - -#define CMD_NOP 0x00 -#define CMD_FLUSH 0x01 -#define CMD_RESET 0x02 -#define CMD_BUSRESET 0x03 -#define CMD_TI 0x10 -#define CMD_ICCS 0x11 -#define CMD_MSGACC 0x12 -#define CMD_PAD 0x18 -#define CMD_SATN 0x1a -#define CMD_RSTATN 0x1b -#define CMD_SEL 0x41 -#define CMD_SELATN 0x42 -#define CMD_SELATNS 0x43 -#define CMD_ENSEL 0x44 -#define CMD_DISSEL 0x45 - -#define STAT_DO 0x00 -#define STAT_DI 0x01 -#define STAT_CD 0x02 -#define STAT_ST 0x03 -#define STAT_MO 0x06 -#define STAT_MI 0x07 -#define STAT_PIO_MASK 0x06 - -#define STAT_TC 0x10 -#define STAT_PE 0x20 -#define STAT_GE 0x40 -#define STAT_INT 0x80 - -#define BUSID_DID 0x07 - -#define INTR_FC 0x08 -#define INTR_BS 0x10 -#define INTR_DC 0x20 -#define INTR_RST 0x80 - -#define SEQ_0 0x0 -#define SEQ_CD 0x4 - -#define CFG1_RESREPT 0x40 - -#define TCHI_FAS100A 0x4 -#define TCHI_AM53C974 0x12 - static void esp_raise_irq(ESPState *s) { if (!(s->rregs[ESP_RSTAT] & STAT_INT)) { @@ -164,7 +55,7 @@ static void esp_lower_irq(ESPState *s) } } -static void esp_dma_enable(ESPState *s, int irq, int level) +void esp_dma_enable(ESPState *s, int irq, int level) { if (level) { s->dma_enabled = 1; @@ -179,7 +70,7 @@ static void esp_dma_enable(ESPState *s, int irq, int level) } } -static void esp_request_cancelled(SCSIRequest *req) +void esp_request_cancelled(SCSIRequest *req) { ESPState *s = req->hba_private; @@ -388,7 +279,7 @@ static void esp_do_dma(ESPState *s) esp_dma_done(s); } -static void esp_command_complete(SCSIRequest *req, uint32_t status, +void esp_command_complete(SCSIRequest *req, uint32_t status, size_t resid) { ESPState *s = req->hba_private; @@ -413,7 +304,7 @@ static void esp_command_complete(SCSIRequest *req, uint32_t status, } } -static void esp_transfer_data(SCSIRequest *req, uint32_t len) +void esp_transfer_data(SCSIRequest *req, uint32_t len) { ESPState *s = req->hba_private; @@ -465,7 +356,7 @@ static void handle_ti(ESPState *s) } } -static void esp_hard_reset(ESPState *s) +void esp_hard_reset(ESPState *s) { memset(s->rregs, 0, ESP_REGS); memset(s->wregs, 0, ESP_REGS); @@ -493,7 +384,7 @@ static void parent_esp_reset(ESPState *s, int irq, int level) } } -static uint64_t esp_reg_read(ESPState *s, uint32_t saddr) +uint64_t esp_reg_read(ESPState *s, uint32_t saddr) { uint32_t old_val; @@ -533,7 +424,7 @@ static uint64_t esp_reg_read(ESPState *s, uint32_t saddr) return s->rregs[saddr]; } -static void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val) +void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val) { trace_esp_mem_writeb(saddr, s->wregs[saddr], val); switch (saddr) { @@ -660,7 +551,7 @@ static bool esp_mem_accepts(void *opaque, target_phys_addr_t addr, return (size == 1) || (is_write && size == 4); } -static const VMStateDescription vmstate_esp = { +const VMStateDescription vmstate_esp = { .name ="esp", .version_id = 3, .minimum_version_id = 3, |