* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt
*/
-#include "hw.h"
-#include "pci.h"
+#include "qdev.h"
#include "net.h"
#include "qemu-timer.h"
+#include "qemu_socket.h"
+#include "sysemu.h"
+
+#include "pcnet.h"
//#define PCNET_DEBUG
//#define PCNET_DEBUG_IO
//#define PCNET_DEBUG_MATCH
-#define PCNET_IOPORT_SIZE 0x20
-#define PCNET_PNPMMIO_SIZE 0x20
-
-
-typedef struct PCNetState_st PCNetState;
-
-struct PCNetState_st {
- PCIDevice dev;
- PCIDevice *pci_dev;
- VLANClientState *vc;
- NICInfo *nd;
- QEMUTimer *poll_timer;
- int mmio_index, rap, isr, lnkst;
- uint32_t rdra, tdra;
- uint8_t prom[16];
- uint16_t csr[128];
- uint16_t bcr[32];
- uint64_t timer;
- int xmit_pos, recv_pos;
- uint8_t buffer[4096];
- int tx_busy;
- qemu_irq irq;
- void (*phys_mem_read)(void *dma_opaque, target_phys_addr_t addr,
- uint8_t *buf, int len, int do_bswap);
- void (*phys_mem_write)(void *dma_opaque, target_phys_addr_t addr,
- uint8_t *buf, int len, int do_bswap);
- void *dma_opaque;
-};
-
struct qemu_ether_header {
uint8_t ether_dhost[6];
uint8_t ether_shost[6];
#define CSR_DRX(S) !!(((S)->csr[15])&0x0001)
#define CSR_DTX(S) !!(((S)->csr[15])&0x0002)
#define CSR_LOOP(S) !!(((S)->csr[15])&0x0004)
+#define CSR_DXMTFCS(S) !!(((S)->csr[15])&0x0008)
#define CSR_DRCVPA(S) !!(((S)->csr[15])&0x2000)
#define CSR_DRCVBC(S) !!(((S)->csr[15])&0x4000)
#define CSR_PROM(S) !!(((S)->csr[15])&0x8000)
#define CSR_XMTRL(S) ((S)->csr[78])
#define CSR_MISSC(S) ((S)->csr[112])
-#define CSR_IADR(S) ((S)->csr[ 1] | ((S)->csr[ 2] << 16))
-#define CSR_CRBA(S) ((S)->csr[18] | ((S)->csr[19] << 16))
-#define CSR_CXBA(S) ((S)->csr[20] | ((S)->csr[21] << 16))
-#define CSR_NRBA(S) ((S)->csr[22] | ((S)->csr[23] << 16))
-#define CSR_BADR(S) ((S)->csr[24] | ((S)->csr[25] << 16))
-#define CSR_NRDA(S) ((S)->csr[26] | ((S)->csr[27] << 16))
-#define CSR_CRDA(S) ((S)->csr[28] | ((S)->csr[29] << 16))
-#define CSR_BADX(S) ((S)->csr[30] | ((S)->csr[31] << 16))
-#define CSR_NXDA(S) ((S)->csr[32] | ((S)->csr[33] << 16))
-#define CSR_CXDA(S) ((S)->csr[34] | ((S)->csr[35] << 16))
-#define CSR_NNRD(S) ((S)->csr[36] | ((S)->csr[37] << 16))
-#define CSR_NNXD(S) ((S)->csr[38] | ((S)->csr[39] << 16))
-#define CSR_PXDA(S) ((S)->csr[60] | ((S)->csr[61] << 16))
-#define CSR_NXBA(S) ((S)->csr[64] | ((S)->csr[65] << 16))
+#define CSR_IADR(S) ((S)->csr[ 1] | ((uint32_t)(S)->csr[ 2] << 16))
+#define CSR_CRBA(S) ((S)->csr[18] | ((uint32_t)(S)->csr[19] << 16))
+#define CSR_CXBA(S) ((S)->csr[20] | ((uint32_t)(S)->csr[21] << 16))
+#define CSR_NRBA(S) ((S)->csr[22] | ((uint32_t)(S)->csr[23] << 16))
+#define CSR_BADR(S) ((S)->csr[24] | ((uint32_t)(S)->csr[25] << 16))
+#define CSR_NRDA(S) ((S)->csr[26] | ((uint32_t)(S)->csr[27] << 16))
+#define CSR_CRDA(S) ((S)->csr[28] | ((uint32_t)(S)->csr[29] << 16))
+#define CSR_BADX(S) ((S)->csr[30] | ((uint32_t)(S)->csr[31] << 16))
+#define CSR_NXDA(S) ((S)->csr[32] | ((uint32_t)(S)->csr[33] << 16))
+#define CSR_CXDA(S) ((S)->csr[34] | ((uint32_t)(S)->csr[35] << 16))
+#define CSR_NNRD(S) ((S)->csr[36] | ((uint32_t)(S)->csr[37] << 16))
+#define CSR_NNXD(S) ((S)->csr[38] | ((uint32_t)(S)->csr[39] << 16))
+#define CSR_PXDA(S) ((S)->csr[60] | ((uint32_t)(S)->csr[61] << 16))
+#define CSR_NXBA(S) ((S)->csr[64] | ((uint32_t)(S)->csr[65] << 16))
#define PHYSADDR(S,A) \
- (BCR_SSIZE32(S) ? (A) : (A) | ((0xff00 & (uint32_t)(s)->csr[2])<<16))
+ (BCR_SSIZE32(S) ? (A) : (A) | ((0xff00 & (uint32_t)(S)->csr[2])<<16))
struct pcnet_initblk16 {
uint16_t mode;
#define TMDS_LTINT_SH 12
#define TMDS_NOFCS_MASK 0x2000
#define TMDS_NOFCS_SH 13
+#define TMDS_ADDFCS_MASK TMDS_NOFCS_MASK
+#define TMDS_ADDFCS_SH TMDS_NOFCS_SH
#define TMDS_ERR_MASK 0x4000
#define TMDS_ERR_SH 14
#define TMDS_OWN_MASK 0x8000
{
int64_t next_time = current_time +
muldiv64(65536 - (CSR_SPND(s) ? 0 : CSR_POLL(s)),
- ticks_per_sec, 33000000L);
+ get_ticks_per_sec(), 33000000L);
if (next_time <= current_time)
next_time = current_time + 1;
return next_time;
static uint32_t pcnet_csr_readw(PCNetState *s, uint32_t rap);
static void pcnet_csr_writew(PCNetState *s, uint32_t rap, uint32_t new_value);
static void pcnet_bcr_writew(PCNetState *s, uint32_t rap, uint32_t val);
-static uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap);
static void pcnet_s_reset(PCNetState *s)
{
s->csr[0] &= ~0x0004; /* clear STOP bit */
s->csr[0] |= 0x0002;
+ pcnet_poll_timer(s);
}
static void pcnet_stop(PCNetState *s)
(BCR_SWSTYLE(s) ? 16 : 8 );
#endif
- CHECK_RMD(PHYSADDR(s,crda), bad);
+ CHECK_RMD(crda, bad);
if (!bad) {
- CHECK_RMD(PHYSADDR(s,nrda), bad);
+ CHECK_RMD(nrda, bad);
if (bad || (nrda == crda)) nrda = 0;
- CHECK_RMD(PHYSADDR(s,nnrd), bad);
+ CHECK_RMD(nnrd, bad);
if (bad || (nnrd == crda)) nnrd = 0;
s->csr[28] = crda & 0xffff;
s->csr[37] = nnrd >> 16;
#ifdef PCNET_DEBUG
if (bad) {
- printf("pcnet: BAD RMD RECORDS AFTER 0x%08x\n",
- PHYSADDR(s,crda));
+ printf("pcnet: BAD RMD RECORDS AFTER 0x" TARGET_FMT_plx "\n",
+ crda);
}
} else {
- printf("pcnet: BAD RMD RDA=0x%08x\n", PHYSADDR(s,crda));
+ printf("pcnet: BAD RMD RDA=0x" TARGET_FMT_plx "\n",
+ crda);
#endif
}
}
(CSR_XMTRL(s) - CSR_XMTRC(s)) *
(BCR_SWSTYLE(s) ? 16 : 8);
int bad = 0;
- CHECK_TMD(PHYSADDR(s, cxda),bad);
+ CHECK_TMD(cxda, bad);
if (!bad) {
if (CSR_CXDA(s) != cxda) {
s->csr[60] = s->csr[34];
s->csr[34] = cxda & 0xffff;
s->csr[35] = cxda >> 16;
#ifdef PCNET_DEBUG_X
- printf("pcnet: BAD TMD XDA=0x%08x\n", PHYSADDR(s,cxda));
+ printf("pcnet: BAD TMD XDA=0x%08x\n", cxda);
#endif
}
}
return !!(CSR_CXST(s) & 0x8000);
}
-static int pcnet_can_receive(void *opaque)
+int pcnet_can_receive(VLANClientState *nc)
{
- PCNetState *s = opaque;
+ PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
if (CSR_STOP(s) || CSR_SPND(s))
return 0;
- if (s->recv_pos > 0)
- return 0;
-
return sizeof(s->buffer)-16;
}
#define MIN_BUF_SIZE 60
-static void pcnet_receive(void *opaque, const uint8_t *buf, int size)
+ssize_t pcnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size_)
{
- PCNetState *s = opaque;
+ PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
int is_padr = 0, is_bcast = 0, is_ladr = 0;
uint8_t buf1[60];
+ int remaining;
+ int crc_err = 0;
+ int size = size_;
- if (CSR_DRX(s) || CSR_STOP(s) || CSR_SPND(s) || !size)
- return;
-
+ if (CSR_DRX(s) || CSR_STOP(s) || CSR_SPND(s) || !size ||
+ (CSR_LOOP(s) && !s->looptest)) {
+ return -1;
+ }
#ifdef PCNET_DEBUG
printf("pcnet_receive size=%d\n", size);
#endif
nrda = s->rdra +
(CSR_RCVRL(s) - rcvrc) *
(BCR_SWSTYLE(s) ? 16 : 8 );
- RMDLOAD(&rmd, PHYSADDR(s,nrda));
+ RMDLOAD(&rmd, nrda);
if (GET_FIELD(rmd.status, RMDS, OWN)) {
#ifdef PCNET_DEBUG_RMD
printf("pcnet - scan buffer: RCVRC=%d PREV_RCVRC=%d\n",
s->csr[0] |= 0x1000; /* Set MISS flag */
CSR_MISSC(s)++;
} else {
- uint8_t *src = &s->buffer[8];
+ uint8_t *src = s->buffer;
target_phys_addr_t crda = CSR_CRDA(s);
struct pcnet_RMD rmd;
int pktcount = 0;
- memcpy(src, buf, size);
-
-#if 1
- /* no need to compute the CRC */
- src[size] = 0;
- src[size + 1] = 0;
- src[size + 2] = 0;
- src[size + 3] = 0;
- size += 4;
-#else
- /* XXX: avoid CRC generation */
- if (!CSR_ASTRP_RCV(s)) {
+ if (!s->looptest) {
+ memcpy(src, buf, size);
+ /* no need to compute the CRC */
+ src[size] = 0;
+ src[size + 1] = 0;
+ src[size + 2] = 0;
+ src[size + 3] = 0;
+ size += 4;
+ } else if (s->looptest == PCNET_LOOPTEST_CRC ||
+ !CSR_DXMTFCS(s) || size < MIN_BUF_SIZE+4) {
uint32_t fcs = ~0;
uint8_t *p = src;
- while (size < 46) {
- src[size++] = 0;
- }
+ while (p != &src[size])
+ CRC(fcs, *p++);
+ *(uint32_t *)p = htonl(fcs);
+ size += 4;
+ } else {
+ uint32_t fcs = ~0;
+ uint8_t *p = src;
- while (p != &src[size]) {
+ while (p != &src[size-4])
CRC(fcs, *p++);
- }
- ((uint32_t *)&src[size])[0] = htonl(fcs);
- size += 4; /* FCS at end of packet */
- } else size += 4;
-#endif
+ crc_err = (*(uint32_t *)p != htonl(fcs));
+ }
#ifdef PCNET_DEBUG_MATCH
PRINT_PKTHDR(buf);
SET_FIELD(&rmd.status, RMDS, STP, 1);
#define PCNET_RECV_STORE() do { \
- int count = MIN(4096 - GET_FIELD(rmd.buf_length, RMDL, BCNT),size); \
+ int count = MIN(4096 - GET_FIELD(rmd.buf_length, RMDL, BCNT),remaining); \
target_phys_addr_t rbadr = PHYSADDR(s, rmd.rbadr); \
s->phys_mem_write(s->dma_opaque, rbadr, src, count, CSR_BSWP(s)); \
- src += count; size -= count; \
- SET_FIELD(&rmd.msg_length, RMDM, MCNT, count); \
+ src += count; remaining -= count; \
SET_FIELD(&rmd.status, RMDS, OWN, 0); \
RMDSTORE(&rmd, PHYSADDR(s,crda)); \
pktcount++; \
} while (0)
+ remaining = size;
PCNET_RECV_STORE();
- if ((size > 0) && CSR_NRDA(s)) {
+ if ((remaining > 0) && CSR_NRDA(s)) {
target_phys_addr_t nrda = CSR_NRDA(s);
+#ifdef PCNET_DEBUG_RMD
+ PRINT_RMD(&rmd);
+#endif
RMDLOAD(&rmd, PHYSADDR(s,nrda));
if (GET_FIELD(rmd.status, RMDS, OWN)) {
crda = nrda;
PCNET_RECV_STORE();
- if ((size > 0) && (nrda=CSR_NNRD(s))) {
+#ifdef PCNET_DEBUG_RMD
+ PRINT_RMD(&rmd);
+#endif
+ if ((remaining > 0) && (nrda=CSR_NNRD(s))) {
RMDLOAD(&rmd, PHYSADDR(s,nrda));
if (GET_FIELD(rmd.status, RMDS, OWN)) {
crda = nrda;
#undef PCNET_RECV_STORE
RMDLOAD(&rmd, PHYSADDR(s,crda));
- if (size == 0) {
+ if (remaining == 0) {
+ SET_FIELD(&rmd.msg_length, RMDM, MCNT, size);
SET_FIELD(&rmd.status, RMDS, ENP, 1);
SET_FIELD(&rmd.status, RMDS, PAM, !CSR_PROM(s) && is_padr);
SET_FIELD(&rmd.status, RMDS, LFAM, !CSR_PROM(s) && is_ladr);
SET_FIELD(&rmd.status, RMDS, BAM, !CSR_PROM(s) && is_bcast);
+ if (crc_err) {
+ SET_FIELD(&rmd.status, RMDS, CRC, 1);
+ SET_FIELD(&rmd.status, RMDS, ERR, 1);
+ }
} else {
SET_FIELD(&rmd.status, RMDS, OFLO, 1);
SET_FIELD(&rmd.status, RMDS, BUFF, 1);
pcnet_poll(s);
pcnet_update_irq(s);
+
+ return size_;
}
static void pcnet_transmit(PCNetState *s)
{
target_phys_addr_t xmit_cxda = 0;
int count = CSR_XMTRL(s)-1;
+ int add_crc = 0;
+
s->xmit_pos = -1;
if (!CSR_TXON(s)) {
#endif
if (GET_FIELD(tmd.status, TMDS, STP)) {
s->xmit_pos = 0;
- if (!GET_FIELD(tmd.status, TMDS, ENP)) {
- int bcnt = 4096 - GET_FIELD(tmd.length, TMDL, BCNT);
- s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tbadr),
- s->buffer, bcnt, CSR_BSWP(s));
- s->xmit_pos += bcnt;
- }
xmit_cxda = PHYSADDR(s,CSR_CXDA(s));
+ if (BCR_SWSTYLE(s) != 1)
+ add_crc = GET_FIELD(tmd.status, TMDS, ADDFCS);
}
- if (GET_FIELD(tmd.status, TMDS, ENP) && (s->xmit_pos >= 0)) {
+ if (!GET_FIELD(tmd.status, TMDS, ENP)) {
+ int bcnt = 4096 - GET_FIELD(tmd.length, TMDL, BCNT);
+ s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tbadr),
+ s->buffer + s->xmit_pos, bcnt, CSR_BSWP(s));
+ s->xmit_pos += bcnt;
+ } else if (s->xmit_pos >= 0) {
int bcnt = 4096 - GET_FIELD(tmd.length, TMDL, BCNT);
s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tbadr),
s->buffer + s->xmit_pos, bcnt, CSR_BSWP(s));
#ifdef PCNET_DEBUG
printf("pcnet_transmit size=%d\n", s->xmit_pos);
#endif
- if (CSR_LOOP(s))
- pcnet_receive(s, s->buffer, s->xmit_pos);
- else
- if (s->vc)
- qemu_send_packet(s->vc, s->buffer, s->xmit_pos);
+ if (CSR_LOOP(s)) {
+ if (BCR_SWSTYLE(s) == 1)
+ add_crc = !GET_FIELD(tmd.status, TMDS, NOFCS);
+ s->looptest = add_crc ? PCNET_LOOPTEST_CRC : PCNET_LOOPTEST_NOCRC;
+ pcnet_receive(&s->nic->nc, s->buffer, s->xmit_pos);
+ s->looptest = 0;
+ } else
+ if (s->nic)
+ qemu_send_packet(&s->nic->nc, s->buffer, s->xmit_pos);
s->csr[0] &= ~0x0008; /* clear TDMD */
s->csr[4] |= 0x0004; /* set TXSTRT */
} else
if (s->xmit_pos >= 0) {
struct pcnet_TMD tmd;
- TMDLOAD(&tmd, PHYSADDR(s,xmit_cxda));
+ TMDLOAD(&tmd, xmit_cxda);
SET_FIELD(&tmd.misc, TMDM, BUFF, 1);
SET_FIELD(&tmd.misc, TMDM, UFLO, 1);
SET_FIELD(&tmd.status, TMDS, ERR, 1);
SET_FIELD(&tmd.status, TMDS, OWN, 0);
- TMDSTORE(&tmd, PHYSADDR(s,xmit_cxda));
+ TMDSTORE(&tmd, xmit_cxda);
s->csr[0] |= 0x0200; /* set TINT */
if (!CSR_DXSUFLO(s)) {
s->csr[0] &= ~0x0010;
pcnet_update_irq(s);
if (!CSR_STOP(s) && !CSR_SPND(s) && !CSR_DPOLL(s)) {
- uint64_t now = qemu_get_clock(vm_clock) * 33;
+ uint64_t now = qemu_get_clock_ns(vm_clock) * 33;
if (!s->timer || !now)
s->timer = now;
else {
CSR_POLL(s) = t;
}
qemu_mod_timer(s->poll_timer,
- pcnet_get_next_poll_time(s,qemu_get_clock(vm_clock)));
+ pcnet_get_next_poll_time(s,qemu_get_clock_ns(vm_clock)));
}
}
}
}
-static uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap)
+uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap)
{
uint32_t val;
rap &= 127;
return val;
}
-static void pcnet_h_reset(void *opaque)
+void pcnet_h_reset(void *opaque)
{
PCNetState *s = opaque;
- int i;
- uint16_t checksum;
-
- /* Initialize the PROM */
-
- if (s->nd)
- memcpy(s->prom, s->nd->macaddr, 6);
- s->prom[12] = s->prom[13] = 0x00;
- s->prom[14] = s->prom[15] = 0x57;
-
- for (i = 0,checksum = 0; i < 16; i++)
- checksum += s->prom[i];
- *(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
-
s->bcr[BCR_MSRDA] = 0x0005;
s->bcr[BCR_MSWRA] = 0x0005;
s->bcr[BCR_PLAT ] = 0xff06;
pcnet_s_reset(s);
+ pcnet_update_irq(s);
+ pcnet_poll_timer(s);
}
-static void pcnet_aprom_writeb(void *opaque, uint32_t addr, uint32_t val)
-{
- PCNetState *s = opaque;
-#ifdef PCNET_DEBUG
- printf("pcnet_aprom_writeb addr=0x%08x val=0x%02x\n", addr, val);
-#endif
- /* Check APROMWE bit to enable write access */
- if (pcnet_bcr_readw(s,2) & 0x80)
- s->prom[addr & 15] = val;
-}
-
-static uint32_t pcnet_aprom_readb(void *opaque, uint32_t addr)
-{
- PCNetState *s = opaque;
- uint32_t val = s->prom[addr &= 15];
-#ifdef PCNET_DEBUG
- printf("pcnet_aprom_readb addr=0x%08x val=0x%02x\n", addr, val);
-#endif
- return val;
-}
-
-static void pcnet_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
+void pcnet_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
{
PCNetState *s = opaque;
pcnet_poll_timer(s);
pcnet_update_irq(s);
}
-static uint32_t pcnet_ioport_readw(void *opaque, uint32_t addr)
+uint32_t pcnet_ioport_readw(void *opaque, uint32_t addr)
{
PCNetState *s = opaque;
uint32_t val = -1;
return val;
}
-static void pcnet_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
+void pcnet_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
{
PCNetState *s = opaque;
pcnet_poll_timer(s);
pcnet_update_irq(s);
}
-static uint32_t pcnet_ioport_readl(void *opaque, uint32_t addr)
+uint32_t pcnet_ioport_readl(void *opaque, uint32_t addr)
{
PCNetState *s = opaque;
uint32_t val = -1;
return val;
}
-static void pcnet_ioport_map(PCIDevice *pci_dev, int region_num,
- uint32_t addr, uint32_t size, int type)
+static bool is_version_2(void *opaque, int version_id)
{
- PCNetState *d = (PCNetState *)pci_dev;
-
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_ioport_map addr=0x%04x size=0x%04x\n", addr, size);
-#endif
-
- register_ioport_write(addr, 16, 1, pcnet_aprom_writeb, d);
- register_ioport_read(addr, 16, 1, pcnet_aprom_readb, d);
-
- register_ioport_write(addr + 0x10, 0x10, 2, pcnet_ioport_writew, d);
- register_ioport_read(addr + 0x10, 0x10, 2, pcnet_ioport_readw, d);
- register_ioport_write(addr + 0x10, 0x10, 4, pcnet_ioport_writel, d);
- register_ioport_read(addr + 0x10, 0x10, 4, pcnet_ioport_readl, d);
+ return version_id == 2;
}
-static void pcnet_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- PCNetState *d = opaque;
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writeb addr=0x%08x val=0x%02x\n", addr, val);
-#endif
- if (!(addr & 0x10))
- pcnet_aprom_writeb(d, addr & 0x0f, val);
-}
-
-static uint32_t pcnet_mmio_readb(void *opaque, target_phys_addr_t addr)
-{
- PCNetState *d = opaque;
- uint32_t val = -1;
- if (!(addr & 0x10))
- val = pcnet_aprom_readb(d, addr & 0x0f);
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readb addr=0x%08x val=0x%02x\n", addr, val & 0xff);
-#endif
- return val;
-}
-
-static void pcnet_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- PCNetState *d = opaque;
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writew addr=0x%08x val=0x%04x\n", addr, val);
-#endif
- if (addr & 0x10)
- pcnet_ioport_writew(d, addr & 0x0f, val);
- else {
- addr &= 0x0f;
- pcnet_aprom_writeb(d, addr, val & 0xff);
- pcnet_aprom_writeb(d, addr+1, (val & 0xff00) >> 8);
+const VMStateDescription vmstate_pcnet = {
+ .name = "pcnet",
+ .version_id = 3,
+ .minimum_version_id = 2,
+ .minimum_version_id_old = 2,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32(rap, PCNetState),
+ VMSTATE_INT32(isr, PCNetState),
+ VMSTATE_INT32(lnkst, PCNetState),
+ VMSTATE_UINT32(rdra, PCNetState),
+ VMSTATE_UINT32(tdra, PCNetState),
+ VMSTATE_BUFFER(prom, PCNetState),
+ VMSTATE_UINT16_ARRAY(csr, PCNetState, 128),
+ VMSTATE_UINT16_ARRAY(bcr, PCNetState, 32),
+ VMSTATE_UINT64(timer, PCNetState),
+ VMSTATE_INT32(xmit_pos, PCNetState),
+ VMSTATE_BUFFER(buffer, PCNetState),
+ VMSTATE_UNUSED_TEST(is_version_2, 4),
+ VMSTATE_INT32(tx_busy, PCNetState),
+ VMSTATE_TIMER(poll_timer, PCNetState),
+ VMSTATE_END_OF_LIST()
}
-}
+};
-static uint32_t pcnet_mmio_readw(void *opaque, target_phys_addr_t addr)
+void pcnet_common_cleanup(PCNetState *d)
{
- PCNetState *d = opaque;
- uint32_t val = -1;
- if (addr & 0x10)
- val = pcnet_ioport_readw(d, addr & 0x0f);
- else {
- addr &= 0x0f;
- val = pcnet_aprom_readb(d, addr+1);
- val <<= 8;
- val |= pcnet_aprom_readb(d, addr);
- }
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readw addr=0x%08x val = 0x%04x\n", addr, val & 0xffff);
-#endif
- return val;
+ d->nic = NULL;
}
-static void pcnet_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
+int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
{
- PCNetState *d = opaque;
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writel addr=0x%08x val=0x%08x\n", addr, val);
-#endif
- if (addr & 0x10)
- pcnet_ioport_writel(d, addr & 0x0f, val);
- else {
- addr &= 0x0f;
- pcnet_aprom_writeb(d, addr, val & 0xff);
- pcnet_aprom_writeb(d, addr+1, (val & 0xff00) >> 8);
- pcnet_aprom_writeb(d, addr+2, (val & 0xff0000) >> 16);
- pcnet_aprom_writeb(d, addr+3, (val & 0xff000000) >> 24);
- }
-}
+ int i;
+ uint16_t checksum;
-static uint32_t pcnet_mmio_readl(void *opaque, target_phys_addr_t addr)
-{
- PCNetState *d = opaque;
- uint32_t val;
- if (addr & 0x10)
- val = pcnet_ioport_readl(d, addr & 0x0f);
- else {
- addr &= 0x0f;
- val = pcnet_aprom_readb(d, addr+3);
- val <<= 8;
- val |= pcnet_aprom_readb(d, addr+2);
- val <<= 8;
- val |= pcnet_aprom_readb(d, addr+1);
- val <<= 8;
- val |= pcnet_aprom_readb(d, addr);
- }
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readl addr=0x%08x val=0x%08x\n", addr, val);
-#endif
- return val;
-}
+ s->poll_timer = qemu_new_timer_ns(vm_clock, pcnet_poll_timer, s);
+ qemu_macaddr_default_if_unset(&s->conf.macaddr);
+ s->nic = qemu_new_nic(info, &s->conf, dev->info->name, dev->id, s);
+ qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
-static void pcnet_save(QEMUFile *f, void *opaque)
-{
- PCNetState *s = opaque;
- unsigned int i;
-
- if (s->pci_dev)
- pci_device_save(s->pci_dev, f);
-
- qemu_put_be32(f, s->rap);
- qemu_put_be32(f, s->isr);
- qemu_put_be32(f, s->lnkst);
- qemu_put_be32s(f, &s->rdra);
- qemu_put_be32s(f, &s->tdra);
- qemu_put_buffer(f, s->prom, 16);
- for (i = 0; i < 128; i++)
- qemu_put_be16s(f, &s->csr[i]);
- for (i = 0; i < 32; i++)
- qemu_put_be16s(f, &s->bcr[i]);
- qemu_put_be64s(f, &s->timer);
- qemu_put_be32(f, s->xmit_pos);
- qemu_put_be32(f, s->recv_pos);
- qemu_put_buffer(f, s->buffer, 4096);
- qemu_put_be32(f, s->tx_busy);
- qemu_put_timer(f, s->poll_timer);
-}
+ add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");
-static int pcnet_load(QEMUFile *f, void *opaque, int version_id)
-{
- PCNetState *s = opaque;
- int i, ret;
+ /* Initialize the PROM */
- if (version_id != 2)
- return -EINVAL;
+ /*
+ Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf
+ page 95
+ */
+ memcpy(s->prom, s->conf.macaddr.a, 6);
+ /* Reserved Location: must be 00h */
+ s->prom[6] = s->prom[7] = 0x00;
+ /* Reserved Location: must be 00h */
+ s->prom[8] = 0x00;
+ /* Hardware ID: must be 11h if compatibility to AMD drivers is desired */
+ s->prom[9] = 0x11;
+ /* User programmable space, init with 0 */
+ s->prom[10] = s->prom[11] = 0x00;
+ /* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh
+ and bytes 0Eh and 0Fh, must therefore be initialized with 0! */
+ s->prom[12] = s->prom[13] = 0x00;
+ /* Must be ASCII W (57h) if compatibility to AMD
+ driver software is desired */
+ s->prom[14] = s->prom[15] = 0x57;
- if (s->pci_dev) {
- ret = pci_device_load(s->pci_dev, f);
- if (ret < 0)
- return ret;
+ for (i = 0, checksum = 0; i < 16; i++) {
+ checksum += s->prom[i];
}
-
- qemu_get_be32s(f, (uint32_t*)&s->rap);
- qemu_get_be32s(f, (uint32_t*)&s->isr);
- qemu_get_be32s(f, (uint32_t*)&s->lnkst);
- qemu_get_be32s(f, &s->rdra);
- qemu_get_be32s(f, &s->tdra);
- qemu_get_buffer(f, s->prom, 16);
- for (i = 0; i < 128; i++)
- qemu_get_be16s(f, &s->csr[i]);
- for (i = 0; i < 32; i++)
- qemu_get_be16s(f, &s->bcr[i]);
- qemu_get_be64s(f, &s->timer);
- qemu_get_be32s(f, (uint32_t*)&s->xmit_pos);
- qemu_get_be32s(f, (uint32_t*)&s->recv_pos);
- qemu_get_buffer(f, s->buffer, 4096);
- qemu_get_be32s(f, (uint32_t*)&s->tx_busy);
- qemu_get_timer(f, s->poll_timer);
+ *(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
return 0;
}
-
-static void pcnet_common_init(PCNetState *d, NICInfo *nd, const char *info_str)
-{
- d->poll_timer = qemu_new_timer(vm_clock, pcnet_poll_timer, d);
-
- d->nd = nd;
-
- if (nd && nd->vlan) {
- d->vc = qemu_new_vlan_client(nd->vlan, pcnet_receive,
- pcnet_can_receive, d);
-
- snprintf(d->vc->info_str, sizeof(d->vc->info_str),
- "pcnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- d->nd->macaddr[0],
- d->nd->macaddr[1],
- d->nd->macaddr[2],
- d->nd->macaddr[3],
- d->nd->macaddr[4],
- d->nd->macaddr[5]);
- } else {
- d->vc = NULL;
- }
- pcnet_h_reset(d);
- register_savevm("pcnet", 0, 2, pcnet_save, pcnet_load, d);
-}
-
-/* PCI interface */
-
-static CPUWriteMemoryFunc *pcnet_mmio_write[] = {
- (CPUWriteMemoryFunc *)&pcnet_mmio_writeb,
- (CPUWriteMemoryFunc *)&pcnet_mmio_writew,
- (CPUWriteMemoryFunc *)&pcnet_mmio_writel
-};
-
-static CPUReadMemoryFunc *pcnet_mmio_read[] = {
- (CPUReadMemoryFunc *)&pcnet_mmio_readb,
- (CPUReadMemoryFunc *)&pcnet_mmio_readw,
- (CPUReadMemoryFunc *)&pcnet_mmio_readl
-};
-
-static void pcnet_mmio_map(PCIDevice *pci_dev, int region_num,
- uint32_t addr, uint32_t size, int type)
-{
- PCNetState *d = (PCNetState *)pci_dev;
-
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_ioport_map addr=0x%08x 0x%08x\n", addr, size);
-#endif
-
- cpu_register_physical_memory(addr, PCNET_PNPMMIO_SIZE, d->mmio_index);
-}
-
-static void pci_physical_memory_write(void *dma_opaque, target_phys_addr_t addr,
- uint8_t *buf, int len, int do_bswap)
-{
- cpu_physical_memory_write(addr, buf, len);
-}
-
-static void pci_physical_memory_read(void *dma_opaque, target_phys_addr_t addr,
- uint8_t *buf, int len, int do_bswap)
-{
- cpu_physical_memory_read(addr, buf, len);
-}
-
-void pci_pcnet_init(PCIBus *bus, NICInfo *nd, int devfn)
-{
- PCNetState *d;
- uint8_t *pci_conf;
-
-#if 0
- printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
- sizeof(struct pcnet_RMD), sizeof(struct pcnet_TMD));
-#endif
-
- d = (PCNetState *)pci_register_device(bus, "PCNet", sizeof(PCNetState),
- devfn, NULL, NULL);
-
- pci_conf = d->dev.config;
-
- *(uint16_t *)&pci_conf[0x00] = cpu_to_le16(0x1022);
- *(uint16_t *)&pci_conf[0x02] = cpu_to_le16(0x2000);
- *(uint16_t *)&pci_conf[0x04] = cpu_to_le16(0x0007);
- *(uint16_t *)&pci_conf[0x06] = cpu_to_le16(0x0280);
- pci_conf[0x08] = 0x10;
- pci_conf[0x09] = 0x00;
- pci_conf[0x0a] = 0x00; // ethernet network controller
- pci_conf[0x0b] = 0x02;
- pci_conf[0x0e] = 0x00; // header_type
-
- *(uint32_t *)&pci_conf[0x10] = cpu_to_le32(0x00000001);
- *(uint32_t *)&pci_conf[0x14] = cpu_to_le32(0x00000000);
-
- pci_conf[0x3d] = 1; // interrupt pin 0
- pci_conf[0x3e] = 0x06;
- pci_conf[0x3f] = 0xff;
-
- /* Handler for memory-mapped I/O */
- d->mmio_index =
- cpu_register_io_memory(0, pcnet_mmio_read, pcnet_mmio_write, d);
-
- pci_register_io_region((PCIDevice *)d, 0, PCNET_IOPORT_SIZE,
- PCI_ADDRESS_SPACE_IO, pcnet_ioport_map);
-
- pci_register_io_region((PCIDevice *)d, 1, PCNET_PNPMMIO_SIZE,
- PCI_ADDRESS_SPACE_MEM, pcnet_mmio_map);
-
- d->irq = d->dev.irq[0];
- d->phys_mem_read = pci_physical_memory_read;
- d->phys_mem_write = pci_physical_memory_write;
- d->pci_dev = &d->dev;
-
- pcnet_common_init(d, nd, "pcnet");
-}
-
-/* SPARC32 interface */
-
-#if defined (TARGET_SPARC) && !defined(TARGET_SPARC64) // Avoid compile failure
-#include "sun4m.h"
-
-static void parent_lance_reset(void *opaque, int irq, int level)
-{
- if (level)
- pcnet_h_reset(opaque);
-}
-
-static void lance_mem_writew(void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
-#ifdef PCNET_DEBUG_IO
- printf("lance_mem_writew addr=" TARGET_FMT_plx " val=0x%04x\n", addr,
- val & 0xffff);
-#endif
- pcnet_ioport_writew(opaque, addr & 7, val & 0xffff);
-}
-
-static uint32_t lance_mem_readw(void *opaque, target_phys_addr_t addr)
-{
- uint32_t val;
-
- val = pcnet_ioport_readw(opaque, addr & 7);
-#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readw addr=" TARGET_FMT_plx " val = 0x%04x\n", addr,
- val & 0xffff);
-#endif
-
- return val & 0xffff;
-}
-
-static CPUReadMemoryFunc *lance_mem_read[3] = {
- lance_mem_readw,
- lance_mem_readw,
- lance_mem_readw,
-};
-
-static CPUWriteMemoryFunc *lance_mem_write[3] = {
- lance_mem_writew,
- lance_mem_writew,
- lance_mem_writew,
-};
-
-void lance_init(NICInfo *nd, target_phys_addr_t leaddr, void *dma_opaque,
- qemu_irq irq, qemu_irq *reset)
-{
- PCNetState *d;
- int lance_io_memory;
-
- d = qemu_mallocz(sizeof(PCNetState));
- if (!d)
- return;
-
- lance_io_memory =
- cpu_register_io_memory(0, lance_mem_read, lance_mem_write, d);
-
- d->dma_opaque = dma_opaque;
-
- *reset = *qemu_allocate_irqs(parent_lance_reset, d, 1);
-
- cpu_register_physical_memory(leaddr, 4, lance_io_memory);
-
- d->irq = irq;
- d->phys_mem_read = ledma_memory_read;
- d->phys_mem_write = ledma_memory_write;
-
- pcnet_common_init(d, nd, "lance");
-}
-#endif /* TARGET_SPARC */
projects / qemu.git / blobdiff