indent
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2104 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
parent
8ccad811e6
commit
35b961cf8d
204
hw/lance.c
204
hw/lance.c
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@ -48,7 +48,7 @@ do { printf("LANCE: " fmt , ##args); } while (0)
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#define LE_RDP 0
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#define LE_RAP 1
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#define LE_MO_PROM 0x8000 /* Enable promiscuous mode */
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#define LE_MO_PROM 0x8000 /* Enable promiscuous mode */
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#define LE_C0_ERR 0x8000 /* Error: set if BAB, SQE, MISS or ME is set */
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#define LE_C0_BABL 0x4000 /* BAB: Babble: tx timeout. */
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@ -67,36 +67,36 @@ do { printf("LANCE: " fmt , ##args); } while (0)
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#define LE_C0_STRT 0x0002 /* Start the card */
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#define LE_C0_INIT 0x0001 /* Init the card */
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#define LE_C3_BSWP 0x4 /* SWAP */
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#define LE_C3_BSWP 0x4 /* SWAP */
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#define LE_C3_ACON 0x2 /* ALE Control */
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#define LE_C3_BCON 0x1 /* Byte control */
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/* Receive message descriptor 1 */
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#define LE_R1_OWN 0x80 /* Who owns the entry */
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#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */
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#define LE_R1_FRA 0x20 /* FRA: Frame error */
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#define LE_R1_OFL 0x10 /* OFL: Frame overflow */
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#define LE_R1_CRC 0x08 /* CRC error */
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#define LE_R1_BUF 0x04 /* BUF: Buffer error */
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#define LE_R1_SOP 0x02 /* Start of packet */
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#define LE_R1_EOP 0x01 /* End of packet */
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#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
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#define LE_R1_OWN 0x80 /* Who owns the entry */
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#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */
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#define LE_R1_FRA 0x20 /* FRA: Frame error */
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#define LE_R1_OFL 0x10 /* OFL: Frame overflow */
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#define LE_R1_CRC 0x08 /* CRC error */
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#define LE_R1_BUF 0x04 /* BUF: Buffer error */
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#define LE_R1_SOP 0x02 /* Start of packet */
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#define LE_R1_EOP 0x01 /* End of packet */
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#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
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#define LE_T1_OWN 0x80 /* Lance owns the packet */
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#define LE_T1_ERR 0x40 /* Error summary */
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#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */
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#define LE_T1_EONE 0x08 /* Error: one retry needed */
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#define LE_T1_EDEF 0x04 /* Error: deferred */
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#define LE_T1_SOP 0x02 /* Start of packet */
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#define LE_T1_EOP 0x01 /* End of packet */
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#define LE_T1_OWN 0x80 /* Lance owns the packet */
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#define LE_T1_ERR 0x40 /* Error summary */
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#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */
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#define LE_T1_EONE 0x08 /* Error: one retry needed */
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#define LE_T1_EDEF 0x04 /* Error: deferred */
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#define LE_T1_SOP 0x02 /* Start of packet */
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#define LE_T1_EOP 0x01 /* End of packet */
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#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */
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#define LE_T3_BUF 0x8000 /* Buffer error */
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#define LE_T3_UFL 0x4000 /* Error underflow */
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#define LE_T3_LCOL 0x1000 /* Error late collision */
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#define LE_T3_CLOS 0x0800 /* Error carrier loss */
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#define LE_T3_RTY 0x0400 /* Error retry */
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#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */
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#define LE_T3_BUF 0x8000 /* Buffer error */
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#define LE_T3_UFL 0x4000 /* Error underflow */
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#define LE_T3_LCOL 0x1000 /* Error late collision */
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#define LE_T3_CLOS 0x0800 /* Error carrier loss */
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#define LE_T3_RTY 0x0400 /* Error retry */
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#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */
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#define TX_RING_SIZE (1 << (LANCE_LOG_TX_BUFFERS))
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#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
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@ -111,43 +111,43 @@ do { printf("LANCE: " fmt , ##args); } while (0)
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#define TX_BUFF_SIZE PKT_BUF_SZ
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struct lance_rx_desc {
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unsigned short rmd0; /* low address of packet */
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unsigned char rmd1_bits; /* descriptor bits */
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unsigned char rmd1_hadr; /* high address of packet */
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short length; /* This length is 2s complement (negative)!
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* Buffer length
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*/
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unsigned short mblength; /* This is the actual number of bytes received */
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unsigned short rmd0; /* low address of packet */
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unsigned char rmd1_bits; /* descriptor bits */
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unsigned char rmd1_hadr; /* high address of packet */
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short length; /* This length is 2s complement (negative)!
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* Buffer length
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*/
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unsigned short mblength; /* This is the actual number of bytes received */
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};
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struct lance_tx_desc {
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unsigned short tmd0; /* low address of packet */
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unsigned char tmd1_bits; /* descriptor bits */
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unsigned char tmd1_hadr; /* high address of packet */
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short length; /* Length is 2s complement (negative)! */
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unsigned short misc;
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unsigned short tmd0; /* low address of packet */
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unsigned char tmd1_bits; /* descriptor bits */
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unsigned char tmd1_hadr; /* high address of packet */
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short length; /* Length is 2s complement (negative)! */
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unsigned short misc;
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};
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/* The LANCE initialization block, described in databook. */
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/* On the Sparc, this block should be on a DMA region */
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struct lance_init_block {
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unsigned short mode; /* Pre-set mode (reg. 15) */
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unsigned char phys_addr[6]; /* Physical ethernet address */
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unsigned filter[2]; /* Multicast filter. */
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unsigned short mode; /* Pre-set mode (reg. 15) */
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unsigned char phys_addr[6]; /* Physical ethernet address */
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unsigned filter[2]; /* Multicast filter. */
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/* Receive and transmit ring base, along with extra bits. */
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unsigned short rx_ptr; /* receive descriptor addr */
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unsigned short rx_len; /* receive len and high addr */
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unsigned short tx_ptr; /* transmit descriptor addr */
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unsigned short tx_len; /* transmit len and high addr */
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/* The Tx and Rx ring entries must aligned on 8-byte boundaries. */
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struct lance_rx_desc brx_ring[RX_RING_SIZE];
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struct lance_tx_desc btx_ring[TX_RING_SIZE];
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char tx_buf [TX_RING_SIZE][TX_BUFF_SIZE];
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char pad[2]; /* align rx_buf for copy_and_sum(). */
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char rx_buf [RX_RING_SIZE][RX_BUFF_SIZE];
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/* Receive and transmit ring base, along with extra bits. */
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unsigned short rx_ptr; /* receive descriptor addr */
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unsigned short rx_len; /* receive len and high addr */
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unsigned short tx_ptr; /* transmit descriptor addr */
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unsigned short tx_len; /* transmit len and high addr */
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/* The Tx and Rx ring entries must aligned on 8-byte boundaries. */
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struct lance_rx_desc brx_ring[RX_RING_SIZE];
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struct lance_tx_desc btx_ring[TX_RING_SIZE];
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char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE];
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char pad[2]; /* align rx_buf for copy_and_sum(). */
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char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE];
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};
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#define LEDMA_REGS 4
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@ -155,11 +155,11 @@ struct lance_init_block {
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typedef struct LANCEState {
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VLANClientState *vc;
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uint8_t macaddr[6]; /* init mac address */
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uint8_t macaddr[6]; /* init mac address */
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uint32_t leptr;
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uint16_t addr;
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uint16_t regs[LE_NREGS];
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uint8_t phys[6]; /* mac address */
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uint8_t phys[6]; /* mac address */
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int irq;
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unsigned int rxptr, txptr;
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uint32_t ledmaregs[LEDMA_REGS];
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@ -192,13 +192,14 @@ static uint32_t lance_mem_readw(void *opaque, target_phys_addr_t addr)
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DPRINTF("read areg = %4.4x\n", s->addr);
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return s->addr;
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default:
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DPRINTF("read unknown(%d)\n", saddr>>1);
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DPRINTF("read unknown(%d)\n", saddr >> 1);
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break;
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}
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return 0;
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}
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static void lance_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
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static void lance_mem_writew(void *opaque, target_phys_addr_t addr,
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uint32_t val)
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{
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LANCEState *s = opaque;
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uint32_t saddr;
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@ -208,7 +209,7 @@ static void lance_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val
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switch (saddr >> 1) {
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case LE_RDP:
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DPRINTF("write dreg[%d] = %4.4x\n", s->addr, val);
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switch(s->addr) {
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switch (s->addr) {
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case LE_CSR0:
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if (val & LE_C0_STOP) {
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s->regs[LE_CSR0] = LE_C0_STOP;
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@ -235,8 +236,7 @@ static void lance_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val
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if (val & LE_C0_INIT) {
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reg |= LE_C0_IDON | LE_C0_INIT;
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reg &= ~LE_C0_STOP;
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}
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else if (val & LE_C0_STRT) {
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} else if (val & LE_C0_STRT) {
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reg |= LE_C0_STRT | LE_C0_RXON | LE_C0_TXON;
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reg &= ~LE_C0_STOP;
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}
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@ -262,7 +262,7 @@ static void lance_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val
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s->addr = val;
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break;
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default:
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DPRINTF("write unknown(%d) = %4.4x\n", saddr>>1, val);
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DPRINTF("write unknown(%d) = %4.4x\n", saddr >> 1, val);
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break;
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}
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lance_send(s);
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@ -288,7 +288,7 @@ static int lance_can_receive(void *opaque)
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return 1;
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}
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static void lance_receive(void *opaque, const uint8_t *buf, int size)
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static void lance_receive(void *opaque, const uint8_t * buf, int size)
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{
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LANCEState *s = opaque;
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uint32_t dmaptr = s->leptr + s->ledmaregs[3];
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@ -304,16 +304,21 @@ static void lance_receive(void *opaque, const uint8_t *buf, int size)
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ib = (void *) iommu_translate(dmaptr);
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old_rxptr = s->rxptr;
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for (i = s->rxptr; i != ((old_rxptr - 1) & RX_RING_MOD_MASK); i = (i + 1) & RX_RING_MOD_MASK) {
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cpu_physical_memory_read((uint32_t)&ib->brx_ring[i].rmd1_bits, (void *) &temp8, 1);
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for (i = s->rxptr; i != ((old_rxptr - 1) & RX_RING_MOD_MASK);
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i = (i + 1) & RX_RING_MOD_MASK) {
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cpu_physical_memory_read((uint32_t) & ib->brx_ring[i].rmd1_bits,
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(void *) &temp8, 1);
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if (temp8 == (LE_R1_OWN)) {
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s->rxptr = (s->rxptr + 1) & RX_RING_MOD_MASK;
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temp16 = size + 4;
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bswap16s(&temp16);
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cpu_physical_memory_write((uint32_t)&ib->brx_ring[i].mblength, (void *) &temp16, 2);
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cpu_physical_memory_write((uint32_t)&ib->rx_buf[i], buf, size);
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cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
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mblength, (void *) &temp16, 2);
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cpu_physical_memory_write((uint32_t) & ib->rx_buf[i], buf,
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size);
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temp8 = LE_R1_POK;
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cpu_physical_memory_write((uint32_t)&ib->brx_ring[i].rmd1_bits, (void *) &temp8, 1);
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cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
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rmd1_bits, (void *) &temp8, 1);
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s->regs[LE_CSR0] |= LE_C0_RINT | LE_C0_INTR;
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if (s->regs[LE_CSR0] & LE_C0_INEA)
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pic_set_irq(s->irq, 1);
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@ -339,19 +344,25 @@ static void lance_send(void *opaque)
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ib = (void *) iommu_translate(dmaptr);
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DPRINTF("sending packet? (dmaptr %8.8x) (ib %p) (btx_ring %p)\n", dmaptr, ib, &ib->btx_ring);
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DPRINTF("sending packet? (dmaptr %8.8x) (ib %p) (btx_ring %p)\n",
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dmaptr, ib, &ib->btx_ring);
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old_txptr = s->txptr;
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for (i = s->txptr; i != ((old_txptr - 1) & TX_RING_MOD_MASK); i = (i + 1) & TX_RING_MOD_MASK) {
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cpu_physical_memory_read((uint32_t)&ib->btx_ring[i].tmd1_bits, (void *) &temp8, 1);
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if (temp8 == (LE_T1_POK|LE_T1_OWN)) {
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cpu_physical_memory_read((uint32_t)&ib->btx_ring[i].length, (void *) &temp16, 2);
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for (i = s->txptr; i != ((old_txptr - 1) & TX_RING_MOD_MASK);
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i = (i + 1) & TX_RING_MOD_MASK) {
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cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].tmd1_bits,
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(void *) &temp8, 1);
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if (temp8 == (LE_T1_POK | LE_T1_OWN)) {
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cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].length,
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(void *) &temp16, 2);
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bswap16s(&temp16);
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temp16 = (~temp16) + 1;
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cpu_physical_memory_read((uint32_t)&ib->tx_buf[i], pkt_buf, temp16);
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cpu_physical_memory_read((uint32_t) & ib->tx_buf[i], pkt_buf,
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temp16);
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DPRINTF("sending packet, len %d\n", temp16);
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qemu_send_packet(s->vc, pkt_buf, temp16);
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temp8 = LE_T1_POK;
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cpu_physical_memory_write((uint32_t)&ib->btx_ring[i].tmd1_bits, (void *) &temp8, 1);
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cpu_physical_memory_write((uint32_t) & ib->btx_ring[i].
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tmd1_bits, (void *) &temp8, 1);
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s->txptr = (s->txptr + 1) & TX_RING_MOD_MASK;
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s->regs[LE_CSR0] |= LE_C0_TINT | LE_C0_INTR;
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}
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@ -369,7 +380,8 @@ static uint32_t ledma_mem_readl(void *opaque, target_phys_addr_t addr)
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return s->ledmaregs[saddr];
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}
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static void ledma_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
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static void ledma_mem_writel(void *opaque, target_phys_addr_t addr,
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uint32_t val)
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{
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LANCEState *s = opaque;
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uint32_t saddr;
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@ -390,73 +402,73 @@ static CPUWriteMemoryFunc *ledma_mem_write[3] = {
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ledma_mem_writel,
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};
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static void lance_save(QEMUFile *f, void *opaque)
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static void lance_save(QEMUFile * f, void *opaque)
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{
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LANCEState *s = opaque;
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int i;
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qemu_put_be32s(f, &s->leptr);
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qemu_put_be16s(f, &s->addr);
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for (i = 0; i < LE_NREGS; i ++)
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for (i = 0; i < LE_NREGS; i++)
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qemu_put_be16s(f, &s->regs[i]);
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qemu_put_buffer(f, s->phys, 6);
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qemu_put_be32s(f, &s->irq);
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for (i = 0; i < LEDMA_REGS; i ++)
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for (i = 0; i < LEDMA_REGS; i++)
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qemu_put_be32s(f, &s->ledmaregs[i]);
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}
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static int lance_load(QEMUFile *f, void *opaque, int version_id)
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static int lance_load(QEMUFile * f, void *opaque, int version_id)
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{
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LANCEState *s = opaque;
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int i;
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if (version_id != 1)
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return -EINVAL;
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return -EINVAL;
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qemu_get_be32s(f, &s->leptr);
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qemu_get_be16s(f, &s->addr);
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for (i = 0; i < LE_NREGS; i ++)
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for (i = 0; i < LE_NREGS; i++)
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qemu_get_be16s(f, &s->regs[i]);
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qemu_get_buffer(f, s->phys, 6);
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qemu_get_be32s(f, &s->irq);
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for (i = 0; i < LEDMA_REGS; i ++)
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for (i = 0; i < LEDMA_REGS; i++)
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qemu_get_be32s(f, &s->ledmaregs[i]);
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return 0;
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}
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void lance_init(NICInfo *nd, int irq, uint32_t leaddr, uint32_t ledaddr)
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void lance_init(NICInfo * nd, int irq, uint32_t leaddr, uint32_t ledaddr)
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{
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LANCEState *s;
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int lance_io_memory, ledma_io_memory;
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s = qemu_mallocz(sizeof(LANCEState));
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if (!s)
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return;
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return;
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s->irq = irq;
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lance_io_memory = cpu_register_io_memory(0, lance_mem_read, lance_mem_write, s);
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lance_io_memory =
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cpu_register_io_memory(0, lance_mem_read, lance_mem_write, s);
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cpu_register_physical_memory(leaddr, 4, lance_io_memory);
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ledma_io_memory = cpu_register_io_memory(0, ledma_mem_read, ledma_mem_write, s);
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ledma_io_memory =
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cpu_register_io_memory(0, ledma_mem_read, ledma_mem_write, s);
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cpu_register_physical_memory(ledaddr, 16, ledma_io_memory);
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memcpy(s->macaddr, nd->macaddr, 6);
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lance_reset(s);
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|
||||
s->vc = qemu_new_vlan_client(nd->vlan, lance_receive, lance_can_receive, s);
|
||||
s->vc =
|
||||
qemu_new_vlan_client(nd->vlan, lance_receive, lance_can_receive,
|
||||
s);
|
||||
|
||||
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
||||
"lance macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
|
||||
s->macaddr[0],
|
||||
s->macaddr[1],
|
||||
s->macaddr[2],
|
||||
s->macaddr[3],
|
||||
s->macaddr[4],
|
||||
s->macaddr[5]);
|
||||
"lance macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
|
||||
s->macaddr[0],
|
||||
s->macaddr[1],
|
||||
s->macaddr[2], s->macaddr[3], s->macaddr[4], s->macaddr[5]);
|
||||
|
||||
register_savevm("lance", leaddr, 1, lance_save, lance_load, s);
|
||||
qemu_register_reset(lance_reset, s);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue