/*
* QEMU AMD PC-Net II (Am79C970A) emulation
- *
+ *
* Copyright (c) 2004 Antony T Curtis
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-
+
/* This software was written to be compatible with the specification:
* AMD Am79C970A PCnet-PCI II Ethernet Controller Data-Sheet
* AMD Publication# 19436 Rev:E Amendment/0 Issue Date: June 2000
*/
-
+
/*
* On Sparc32, this is the Lance (Am7990) part of chip STP2000 (Master I/O), also
* produced as NCR89C100. See
* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt
*/
-/* TODO: remove little endian host assumptions */
-
-#include "vl.h"
+#include "hw.h"
+#include "pci.h"
+#include "net.h"
+#include "qemu-timer.h"
+#include "qemu_socket.h"
//#define PCNET_DEBUG
//#define PCNET_DEBUG_IO
#define PCNET_IOPORT_SIZE 0x20
#define PCNET_PNPMMIO_SIZE 0x20
+#define PCNET_LOOPTEST_CRC 1
+#define PCNET_LOOPTEST_NOCRC 2
+
typedef struct PCNetState_st PCNetState;
int xmit_pos, recv_pos;
uint8_t buffer[4096];
int tx_busy;
- void (*set_irq_cb)(void *s, int isr);
+ 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;
+ int looptest;
};
-/* XXX: using bitfields for target memory structures is almost surely
- not portable, so it should be suppressed ASAP */
-#ifdef __GNUC__
-#define PACKED_FIELD(A) A __attribute__ ((packed))
-#else
-#error FixMe
-#endif
-
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)
};
struct pcnet_TMD {
- struct {
- unsigned tbadr:32;
- } tmd0;
- struct {
- unsigned PACKED_FIELD(bcnt:12), PACKED_FIELD(ones:4), PACKED_FIELD(res:7), PACKED_FIELD(bpe:1);
- unsigned PACKED_FIELD(enp:1), PACKED_FIELD(stp:1), PACKED_FIELD(def:1), PACKED_FIELD(one:1);
- unsigned PACKED_FIELD(ltint:1), PACKED_FIELD(nofcs:1), PACKED_FIELD(err:1), PACKED_FIELD(own:1);
- } tmd1;
- struct {
- unsigned PACKED_FIELD(trc:4), PACKED_FIELD(res:12);
- unsigned PACKED_FIELD(tdr:10), PACKED_FIELD(rtry:1), PACKED_FIELD(lcar:1);
- unsigned PACKED_FIELD(lcol:1), PACKED_FIELD(exdef:1), PACKED_FIELD(uflo:1), PACKED_FIELD(buff:1);
- } tmd2;
- struct {
- unsigned res:32;
- } tmd3;
+ uint32_t tbadr;
+ int16_t length;
+ int16_t status;
+ uint32_t misc;
+ uint32_t res;
};
+#define TMDL_BCNT_MASK 0x0fff
+#define TMDL_BCNT_SH 0
+#define TMDL_ONES_MASK 0xf000
+#define TMDL_ONES_SH 12
+
+#define TMDS_BPE_MASK 0x0080
+#define TMDS_BPE_SH 7
+#define TMDS_ENP_MASK 0x0100
+#define TMDS_ENP_SH 8
+#define TMDS_STP_MASK 0x0200
+#define TMDS_STP_SH 9
+#define TMDS_DEF_MASK 0x0400
+#define TMDS_DEF_SH 10
+#define TMDS_ONE_MASK 0x0800
+#define TMDS_ONE_SH 11
+#define TMDS_LTINT_MASK 0x1000
+#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
+#define TMDS_OWN_SH 15
+
+#define TMDM_TRC_MASK 0x0000000f
+#define TMDM_TRC_SH 0
+#define TMDM_TDR_MASK 0x03ff0000
+#define TMDM_TDR_SH 16
+#define TMDM_RTRY_MASK 0x04000000
+#define TMDM_RTRY_SH 26
+#define TMDM_LCAR_MASK 0x08000000
+#define TMDM_LCAR_SH 27
+#define TMDM_LCOL_MASK 0x10000000
+#define TMDM_LCOL_SH 28
+#define TMDM_EXDEF_MASK 0x20000000
+#define TMDM_EXDEF_SH 29
+#define TMDM_UFLO_MASK 0x40000000
+#define TMDM_UFLO_SH 30
+#define TMDM_BUFF_MASK 0x80000000
+#define TMDM_BUFF_SH 31
+
struct pcnet_RMD {
- struct {
- unsigned rbadr:32;
- } rmd0;
- struct {
- unsigned PACKED_FIELD(bcnt:12), PACKED_FIELD(ones:4), PACKED_FIELD(res:4);
- unsigned PACKED_FIELD(bam:1), PACKED_FIELD(lafm:1), PACKED_FIELD(pam:1), PACKED_FIELD(bpe:1);
- unsigned PACKED_FIELD(enp:1), PACKED_FIELD(stp:1), PACKED_FIELD(buff:1), PACKED_FIELD(crc:1);
- unsigned PACKED_FIELD(oflo:1), PACKED_FIELD(fram:1), PACKED_FIELD(err:1), PACKED_FIELD(own:1);
- } rmd1;
- struct {
- unsigned PACKED_FIELD(mcnt:12), PACKED_FIELD(zeros:4);
- unsigned PACKED_FIELD(rpc:8), PACKED_FIELD(rcc:8);
- } rmd2;
- struct {
- unsigned res:32;
- } rmd3;
+ uint32_t rbadr;
+ int16_t buf_length;
+ int16_t status;
+ uint32_t msg_length;
+ uint32_t res;
};
-
-#define PRINT_TMD(T) printf( \
- "TMD0 : TBADR=0x%08x\n" \
+#define RMDL_BCNT_MASK 0x0fff
+#define RMDL_BCNT_SH 0
+#define RMDL_ONES_MASK 0xf000
+#define RMDL_ONES_SH 12
+
+#define RMDS_BAM_MASK 0x0010
+#define RMDS_BAM_SH 4
+#define RMDS_LFAM_MASK 0x0020
+#define RMDS_LFAM_SH 5
+#define RMDS_PAM_MASK 0x0040
+#define RMDS_PAM_SH 6
+#define RMDS_BPE_MASK 0x0080
+#define RMDS_BPE_SH 7
+#define RMDS_ENP_MASK 0x0100
+#define RMDS_ENP_SH 8
+#define RMDS_STP_MASK 0x0200
+#define RMDS_STP_SH 9
+#define RMDS_BUFF_MASK 0x0400
+#define RMDS_BUFF_SH 10
+#define RMDS_CRC_MASK 0x0800
+#define RMDS_CRC_SH 11
+#define RMDS_OFLO_MASK 0x1000
+#define RMDS_OFLO_SH 12
+#define RMDS_FRAM_MASK 0x2000
+#define RMDS_FRAM_SH 13
+#define RMDS_ERR_MASK 0x4000
+#define RMDS_ERR_SH 14
+#define RMDS_OWN_MASK 0x8000
+#define RMDS_OWN_SH 15
+
+#define RMDM_MCNT_MASK 0x00000fff
+#define RMDM_MCNT_SH 0
+#define RMDM_ZEROS_MASK 0x0000f000
+#define RMDM_ZEROS_SH 12
+#define RMDM_RPC_MASK 0x00ff0000
+#define RMDM_RPC_SH 16
+#define RMDM_RCC_MASK 0xff000000
+#define RMDM_RCC_SH 24
+
+#define SET_FIELD(regp, name, field, value) \
+ (*(regp) = (*(regp) & ~(name ## _ ## field ## _MASK)) \
+ | ((value) << name ## _ ## field ## _SH))
+
+#define GET_FIELD(reg, name, field) \
+ (((reg) & name ## _ ## field ## _MASK) >> name ## _ ## field ## _SH)
+
+#define PRINT_TMD(T) printf( \
+ "TMD0 : TBADR=0x%08x\n" \
"TMD1 : OWN=%d, ERR=%d, FCS=%d, LTI=%d, " \
"ONE=%d, DEF=%d, STP=%d, ENP=%d,\n" \
" BPE=%d, BCNT=%d\n" \
"TMD2 : BUF=%d, UFL=%d, EXD=%d, LCO=%d, " \
"LCA=%d, RTR=%d,\n" \
" TDR=%d, TRC=%d\n", \
- (T)->tmd0.tbadr, \
- (T)->tmd1.own, (T)->tmd1.err, (T)->tmd1.nofcs, \
- (T)->tmd1.ltint, (T)->tmd1.one, (T)->tmd1.def, \
- (T)->tmd1.stp, (T)->tmd1.enp, (T)->tmd1.bpe, \
- 4096-(T)->tmd1.bcnt, \
- (T)->tmd2.buff, (T)->tmd2.uflo, (T)->tmd2.exdef,\
- (T)->tmd2.lcol, (T)->tmd2.lcar, (T)->tmd2.rtry, \
- (T)->tmd2.tdr, (T)->tmd2.trc)
-
-#define PRINT_RMD(R) printf( \
- "RMD0 : RBADR=0x%08x\n" \
+ (T)->tbadr, \
+ GET_FIELD((T)->status, TMDS, OWN), \
+ GET_FIELD((T)->status, TMDS, ERR), \
+ GET_FIELD((T)->status, TMDS, NOFCS), \
+ GET_FIELD((T)->status, TMDS, LTINT), \
+ GET_FIELD((T)->status, TMDS, ONE), \
+ GET_FIELD((T)->status, TMDS, DEF), \
+ GET_FIELD((T)->status, TMDS, STP), \
+ GET_FIELD((T)->status, TMDS, ENP), \
+ GET_FIELD((T)->status, TMDS, BPE), \
+ 4096-GET_FIELD((T)->length, TMDL, BCNT), \
+ GET_FIELD((T)->misc, TMDM, BUFF), \
+ GET_FIELD((T)->misc, TMDM, UFLO), \
+ GET_FIELD((T)->misc, TMDM, EXDEF), \
+ GET_FIELD((T)->misc, TMDM, LCOL), \
+ GET_FIELD((T)->misc, TMDM, LCAR), \
+ GET_FIELD((T)->misc, TMDM, RTRY), \
+ GET_FIELD((T)->misc, TMDM, TDR), \
+ GET_FIELD((T)->misc, TMDM, TRC))
+
+#define PRINT_RMD(R) printf( \
+ "RMD0 : RBADR=0x%08x\n" \
"RMD1 : OWN=%d, ERR=%d, FRAM=%d, OFLO=%d, " \
"CRC=%d, BUFF=%d, STP=%d, ENP=%d,\n " \
- "BPE=%d, PAM=%d, LAFM=%d, BAM=%d, ONES=%d, BCNT=%d\n" \
+ "BPE=%d, PAM=%d, LAFM=%d, BAM=%d, ONES=%d, BCNT=%d\n" \
"RMD2 : RCC=%d, RPC=%d, MCNT=%d, ZEROS=%d\n", \
- (R)->rmd0.rbadr, \
- (R)->rmd1.own, (R)->rmd1.err, (R)->rmd1.fram, \
- (R)->rmd1.oflo, (R)->rmd1.crc, (R)->rmd1.buff, \
- (R)->rmd1.stp, (R)->rmd1.enp, (R)->rmd1.bpe, \
- (R)->rmd1.pam, (R)->rmd1.lafm, (R)->rmd1.bam, \
- (R)->rmd1.ones, 4096-(R)->rmd1.bcnt, \
- (R)->rmd2.rcc, (R)->rmd2.rpc, (R)->rmd2.mcnt, \
- (R)->rmd2.zeros)
-
-static inline void pcnet_tmd_load(PCNetState *s, struct pcnet_TMD *tmd1,
+ (R)->rbadr, \
+ GET_FIELD((R)->status, RMDS, OWN), \
+ GET_FIELD((R)->status, RMDS, ERR), \
+ GET_FIELD((R)->status, RMDS, FRAM), \
+ GET_FIELD((R)->status, RMDS, OFLO), \
+ GET_FIELD((R)->status, RMDS, CRC), \
+ GET_FIELD((R)->status, RMDS, BUFF), \
+ GET_FIELD((R)->status, RMDS, STP), \
+ GET_FIELD((R)->status, RMDS, ENP), \
+ GET_FIELD((R)->status, RMDS, BPE), \
+ GET_FIELD((R)->status, RMDS, PAM), \
+ GET_FIELD((R)->status, RMDS, LFAM), \
+ GET_FIELD((R)->status, RMDS, BAM), \
+ GET_FIELD((R)->buf_length, RMDL, ONES), \
+ 4096-GET_FIELD((R)->buf_length, RMDL, BCNT), \
+ GET_FIELD((R)->msg_length, RMDM, RCC), \
+ GET_FIELD((R)->msg_length, RMDM, RPC), \
+ GET_FIELD((R)->msg_length, RMDM, MCNT), \
+ GET_FIELD((R)->msg_length, RMDM, ZEROS))
+
+static inline void pcnet_tmd_load(PCNetState *s, struct pcnet_TMD *tmd,
target_phys_addr_t addr)
{
- uint32_t *tmd = (uint32_t *)tmd1;
-
- if (!BCR_SWSTYLE(s)) {
- uint16_t xda[4];
- s->phys_mem_read(s->dma_opaque, addr,
- (void *)&xda[0], sizeof(xda), 0);
- le16_to_cpus(&xda[0]);
- le16_to_cpus(&xda[1]);
- le16_to_cpus(&xda[2]);
- le16_to_cpus(&xda[3]);
- tmd[0] = (xda[0]&0xffff) |
- ((xda[1]&0x00ff) << 16);
- tmd[1] = (xda[2]&0xffff)|
- ((xda[1] & 0xff00) << 16);
- tmd[2] =
- (xda[3] & 0xffff) << 16;
- tmd[3] = 0;
+ if (!BCR_SSIZE32(s)) {
+ struct {
+ uint32_t tbadr;
+ int16_t length;
+ int16_t status;
+ } xda;
+ s->phys_mem_read(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
+ tmd->tbadr = le32_to_cpu(xda.tbadr) & 0xffffff;
+ tmd->length = le16_to_cpu(xda.length);
+ tmd->status = (le32_to_cpu(xda.tbadr) >> 16) & 0xff00;
+ tmd->misc = le16_to_cpu(xda.status) << 16;
+ tmd->res = 0;
} else {
- uint32_t xda[4];
- s->phys_mem_read(s->dma_opaque, addr,
- (void *)&xda[0], sizeof(xda), 0);
- le32_to_cpus(&xda[0]);
- le32_to_cpus(&xda[1]);
- le32_to_cpus(&xda[2]);
- le32_to_cpus(&xda[3]);
- if (BCR_SWSTYLE(s) != 3) {
- memcpy(tmd, xda, sizeof(xda));
- } else {
- tmd[0] = xda[2];
- tmd[1] = xda[1];
- tmd[2] = xda[0];
- tmd[3] = xda[3];
+ s->phys_mem_read(s->dma_opaque, addr, (void *)tmd, sizeof(*tmd), 0);
+ le32_to_cpus(&tmd->tbadr);
+ le16_to_cpus((uint16_t *)&tmd->length);
+ le16_to_cpus((uint16_t *)&tmd->status);
+ le32_to_cpus(&tmd->misc);
+ le32_to_cpus(&tmd->res);
+ if (BCR_SWSTYLE(s) == 3) {
+ uint32_t tmp = tmd->tbadr;
+ tmd->tbadr = tmd->misc;
+ tmd->misc = tmp;
}
}
}
-static inline void pcnet_tmd_store(PCNetState *s, const struct pcnet_TMD *tmd1,
+static inline void pcnet_tmd_store(PCNetState *s, const struct pcnet_TMD *tmd,
target_phys_addr_t addr)
{
- const uint32_t *tmd = (const uint32_t *)tmd1;
- if (!BCR_SWSTYLE(s)) {
- uint16_t xda[4];
- xda[0] = tmd[0] & 0xffff;
- xda[1] = ((tmd[0]>>16)&0x00ff) |
- ((tmd[1]>>16)&0xff00);
- xda[2] = tmd[1] & 0xffff;
- xda[3] = tmd[2] >> 16;
- cpu_to_le16s(&xda[0]);
- cpu_to_le16s(&xda[1]);
- cpu_to_le16s(&xda[2]);
- cpu_to_le16s(&xda[3]);
- s->phys_mem_write(s->dma_opaque, addr,
- (void *)&xda[0], sizeof(xda), 0);
+ if (!BCR_SSIZE32(s)) {
+ struct {
+ uint32_t tbadr;
+ int16_t length;
+ int16_t status;
+ } xda;
+ xda.tbadr = cpu_to_le32((tmd->tbadr & 0xffffff) |
+ ((tmd->status & 0xff00) << 16));
+ xda.length = cpu_to_le16(tmd->length);
+ xda.status = cpu_to_le16(tmd->misc >> 16);
+ s->phys_mem_write(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
} else {
- uint32_t xda[4];
- if (BCR_SWSTYLE(s) != 3) {
- memcpy(xda, tmd, sizeof(xda));
- } else {
- xda[0] = tmd[2];
- xda[1] = tmd[1];
- xda[2] = tmd[0];
- xda[3] = tmd[3];
+ struct {
+ uint32_t tbadr;
+ int16_t length;
+ int16_t status;
+ uint32_t misc;
+ uint32_t res;
+ } xda;
+ xda.tbadr = cpu_to_le32(tmd->tbadr);
+ xda.length = cpu_to_le16(tmd->length);
+ xda.status = cpu_to_le16(tmd->status);
+ xda.misc = cpu_to_le32(tmd->misc);
+ xda.res = cpu_to_le32(tmd->res);
+ if (BCR_SWSTYLE(s) == 3) {
+ uint32_t tmp = xda.tbadr;
+ xda.tbadr = xda.misc;
+ xda.misc = tmp;
}
- cpu_to_le32s(&xda[0]);
- cpu_to_le32s(&xda[1]);
- cpu_to_le32s(&xda[2]);
- cpu_to_le32s(&xda[3]);
- s->phys_mem_write(s->dma_opaque, addr,
- (void *)&xda[0], sizeof(xda), 0);
+ s->phys_mem_write(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
}
}
-static inline void pcnet_rmd_load(PCNetState *s, struct pcnet_RMD *rmd1,
+static inline void pcnet_rmd_load(PCNetState *s, struct pcnet_RMD *rmd,
target_phys_addr_t addr)
{
- uint32_t *rmd = (uint32_t *)rmd1;
-
- if (!BCR_SWSTYLE(s)) {
- uint16_t rda[4];
- s->phys_mem_read(s->dma_opaque, addr,
- (void *)&rda[0], sizeof(rda), 0);
- le16_to_cpus(&rda[0]);
- le16_to_cpus(&rda[1]);
- le16_to_cpus(&rda[2]);
- le16_to_cpus(&rda[3]);
- rmd[0] = (rda[0]&0xffff)|
- ((rda[1] & 0x00ff) << 16);
- rmd[1] = (rda[2]&0xffff)|
- ((rda[1] & 0xff00) << 16);
- rmd[2] = rda[3] & 0xffff;
- rmd[3] = 0;
+ if (!BCR_SSIZE32(s)) {
+ struct {
+ uint32_t rbadr;
+ int16_t buf_length;
+ int16_t msg_length;
+ } rda;
+ s->phys_mem_read(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
+ rmd->rbadr = le32_to_cpu(rda.rbadr) & 0xffffff;
+ rmd->buf_length = le16_to_cpu(rda.buf_length);
+ rmd->status = (le32_to_cpu(rda.rbadr) >> 16) & 0xff00;
+ rmd->msg_length = le16_to_cpu(rda.msg_length);
+ rmd->res = 0;
} else {
- uint32_t rda[4];
- s->phys_mem_read(s->dma_opaque, addr,
- (void *)&rda[0], sizeof(rda), 0);
- le32_to_cpus(&rda[0]);
- le32_to_cpus(&rda[1]);
- le32_to_cpus(&rda[2]);
- le32_to_cpus(&rda[3]);
- if (BCR_SWSTYLE(s) != 3) {
- memcpy(rmd, rda, sizeof(rda));
- } else {
- rmd[0] = rda[2];
- rmd[1] = rda[1];
- rmd[2] = rda[0];
- rmd[3] = rda[3];
+ s->phys_mem_read(s->dma_opaque, addr, (void *)rmd, sizeof(*rmd), 0);
+ le32_to_cpus(&rmd->rbadr);
+ le16_to_cpus((uint16_t *)&rmd->buf_length);
+ le16_to_cpus((uint16_t *)&rmd->status);
+ le32_to_cpus(&rmd->msg_length);
+ le32_to_cpus(&rmd->res);
+ if (BCR_SWSTYLE(s) == 3) {
+ uint32_t tmp = rmd->rbadr;
+ rmd->rbadr = rmd->msg_length;
+ rmd->msg_length = tmp;
}
}
}
-static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
+static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd,
target_phys_addr_t addr)
{
- const uint32_t *rmd = (const uint32_t *)rmd1;
-
- if (!BCR_SWSTYLE(s)) {
- uint16_t rda[4];
- rda[0] = rmd[0] & 0xffff;
- rda[1] = ((rmd[0]>>16)&0xff)|
- ((rmd[1]>>16)&0xff00);
- rda[2] = rmd[1] & 0xffff;
- rda[3] = rmd[2] & 0xffff;
- cpu_to_le16s(&rda[0]);
- cpu_to_le16s(&rda[1]);
- cpu_to_le16s(&rda[2]);
- cpu_to_le16s(&rda[3]);
- s->phys_mem_write(s->dma_opaque, addr,
- (void *)&rda[0], sizeof(rda), 0);
+ if (!BCR_SSIZE32(s)) {
+ struct {
+ uint32_t rbadr;
+ int16_t buf_length;
+ int16_t msg_length;
+ } rda;
+ rda.rbadr = cpu_to_le32((rmd->rbadr & 0xffffff) |
+ ((rmd->status & 0xff00) << 16));
+ rda.buf_length = cpu_to_le16(rmd->buf_length);
+ rda.msg_length = cpu_to_le16(rmd->msg_length);
+ s->phys_mem_write(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
} else {
- uint32_t rda[4];
- if (BCR_SWSTYLE(s) != 3) {
- memcpy(rda, rmd, sizeof(rda));
- } else {
- rda[0] = rmd[2];
- rda[1] = rmd[1];
- rda[2] = rmd[0];
- rda[3] = rmd[3];
+ struct {
+ uint32_t rbadr;
+ int16_t buf_length;
+ int16_t status;
+ uint32_t msg_length;
+ uint32_t res;
+ } rda;
+ rda.rbadr = cpu_to_le32(rmd->rbadr);
+ rda.buf_length = cpu_to_le16(rmd->buf_length);
+ rda.status = cpu_to_le16(rmd->status);
+ rda.msg_length = cpu_to_le32(rmd->msg_length);
+ rda.res = cpu_to_le32(rmd->res);
+ if (BCR_SWSTYLE(s) == 3) {
+ uint32_t tmp = rda.rbadr;
+ rda.rbadr = rda.msg_length;
+ rda.msg_length = tmp;
}
- cpu_to_le32s(&rda[0]);
- cpu_to_le32s(&rda[1]);
- cpu_to_le32s(&rda[2]);
- cpu_to_le32s(&rda[3]);
- s->phys_mem_write(s->dma_opaque, addr,
- (void *)&rda[0], sizeof(rda), 0);
+ s->phys_mem_write(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
}
}
#define CHECK_RMD(ADDR,RES) do { \
struct pcnet_RMD rmd; \
RMDLOAD(&rmd,(ADDR)); \
- (RES) |= (rmd.rmd1.ones != 15) \
- || (rmd.rmd2.zeros != 0); \
+ (RES) |= (GET_FIELD(rmd.buf_length, RMDL, ONES) != 15) \
+ || (GET_FIELD(rmd.msg_length, RMDM, ZEROS) != 0); \
} while (0)
#define CHECK_TMD(ADDR,RES) do { \
struct pcnet_TMD tmd; \
TMDLOAD(&tmd,(ADDR)); \
- (RES) |= (tmd.tmd1.ones != 15); \
+ (RES) |= (GET_FIELD(tmd.length, TMDL, ONES) != 15); \
} while (0)
#else
case 0x00: \
do { \
uint16_t rda[4]; \
- s->phys_mem_read(s->dma_opaque, (ADDR), \
- (void *)&rda[0], sizeof(rda), 0); \
+ s->phys_mem_read(s->dma_opaque, (ADDR), \
+ (void *)&rda[0], sizeof(rda), 0); \
(RES) |= (rda[2] & 0xf000)!=0xf000; \
(RES) |= (rda[3] & 0xf000)!=0x0000; \
} while (0); \
case 0x02: \
do { \
uint32_t rda[4]; \
- s->phys_mem_read(s->dma_opaque, (ADDR), \
+ s->phys_mem_read(s->dma_opaque, (ADDR), \
(void *)&rda[0], sizeof(rda), 0); \
(RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
(RES) |= (rda[2] & 0x0000f000L)!=0x00000000L; \
case 0x03: \
do { \
uint32_t rda[4]; \
- s->phys_mem_read(s->dma_opaque, (ADDR), \
+ s->phys_mem_read(s->dma_opaque, (ADDR), \
(void *)&rda[0], sizeof(rda), 0); \
(RES) |= (rda[0] & 0x0000f000L)!=0x00000000L; \
(RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
case 0x00: \
do { \
uint16_t xda[4]; \
- s->phys_mem_read(s->dma_opaque, (ADDR), \
- (void *)&xda[0], sizeof(xda), 0); \
- (RES) |= (xda[2] & 0xf000)!=0xf000;\
+ s->phys_mem_read(s->dma_opaque, (ADDR), \
+ (void *)&xda[0], sizeof(xda), 0); \
+ (RES) |= (xda[2] & 0xf000)!=0xf000; \
} while (0); \
break; \
case 0x01: \
case 0x03: \
do { \
uint32_t xda[4]; \
- s->phys_mem_read(s->dma_opaque, (ADDR), \
- (void *)&xda[0], sizeof(xda), 0); \
+ s->phys_mem_read(s->dma_opaque, (ADDR), \
+ (void *)&xda[0], sizeof(xda), 0); \
(RES) |= (xda[1] & 0x0000f000L)!=0x0000f000L; \
} while (0); \
break; \
#endif
#define PRINT_PKTHDR(BUF) do { \
- struct qemu_ether_header *hdr = (void *)(BUF); \
- printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, " \
- "shost=%02x:%02x:%02x:%02x:%02x:%02x, " \
- "type=0x%04x\n", \
+ struct qemu_ether_header *hdr = (void *)(BUF); \
+ printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, " \
+ "shost=%02x:%02x:%02x:%02x:%02x:%02x, " \
+ "type=0x%04x\n", \
hdr->ether_dhost[0],hdr->ether_dhost[1],hdr->ether_dhost[2], \
hdr->ether_dhost[3],hdr->ether_dhost[4],hdr->ether_dhost[5], \
hdr->ether_shost[0],hdr->ether_shost[1],hdr->ether_shost[2], \
hdr->ether_shost[3],hdr->ether_shost[4],hdr->ether_shost[5], \
- be16_to_cpu(hdr->ether_type)); \
+ be16_to_cpu(hdr->ether_type)); \
} while (0)
#define MULTICAST_FILTER_LEN 8
static inline int padr_match(PCNetState *s, const uint8_t *buf, int size)
{
struct qemu_ether_header *hdr = (void *)buf;
- uint8_t padr[6] = {
+ uint8_t padr[6] = {
s->csr[12] & 0xff, s->csr[12] >> 8,
s->csr[13] & 0xff, s->csr[13] >> 8,
- s->csr[14] & 0xff, s->csr[14] >> 8
+ s->csr[14] & 0xff, s->csr[14] >> 8
};
int result = (!CSR_DRCVPA(s)) && !memcmp(hdr->ether_dhost, padr, 6);
#ifdef PCNET_DEBUG_MATCH
static inline int ladr_match(PCNetState *s, const uint8_t *buf, int size)
{
struct qemu_ether_header *hdr = (void *)buf;
- if ((*(hdr->ether_dhost)&0x01) &&
+ if ((*(hdr->ether_dhost)&0x01) &&
((uint64_t *)&s->csr[8])[0] != 0LL) {
- uint8_t ladr[8] = {
+ uint8_t ladr[8] = {
s->csr[8] & 0xff, s->csr[8] >> 8,
s->csr[9] & 0xff, s->csr[9] >> 8,
- s->csr[10] & 0xff, s->csr[10] >> 8,
- s->csr[11] & 0xff, s->csr[11] >> 8
+ s->csr[10] & 0xff, s->csr[10] >> 8,
+ s->csr[11] & 0xff, s->csr[11] >> 8
};
int index = lnc_mchash(hdr->ether_dhost) >> 26;
return !!(ladr[index >> 3] & (1 << (index & 7)));
return 0;
}
-static inline target_phys_addr_t pcnet_rdra_addr(PCNetState *s, int idx)
+static inline target_phys_addr_t pcnet_rdra_addr(PCNetState *s, int idx)
{
while (idx < 1) idx += CSR_RCVRL(s);
return s->rdra + ((CSR_RCVRL(s) - idx) * (BCR_SWSTYLE(s) ? 16 : 8));
static inline int64_t pcnet_get_next_poll_time(PCNetState *s, int64_t current_time)
{
- int64_t next_time = current_time +
- muldiv64(65536 - (CSR_SPND(s) ? 0 : CSR_POLL(s)),
+ int64_t next_time = current_time +
+ muldiv64(65536 - (CSR_SPND(s) ? 0 : CSR_POLL(s)),
ticks_per_sec, 33000000L);
if (next_time <= current_time)
next_time = current_time + 1;
s->rdra = 0;
s->tdra = 0;
s->rap = 0;
-
+
s->bcr[BCR_BSBC] &= ~0x0080;
s->csr[0] = 0x0004;
{
int isr = 0;
s->csr[0] &= ~0x0080;
-
+
#if 1
if (((s->csr[0] & ~s->csr[3]) & 0x5f00) ||
(((s->csr[4]>>1) & ~s->csr[4]) & 0x0115) ||
(!!(s->csr[5] & 0x0008) && !!(s->csr[5] & 0x0010)) /* MPINT */)
#endif
{
-
+
isr = CSR_INEA(s);
s->csr[0] |= 0x0080;
}
-
+
if (!!(s->csr[4] & 0x0080) && CSR_INEA(s)) { /* UINT */
s->csr[4] &= ~0x0080;
s->csr[4] |= 0x0040;
}
#if 1
- if (((s->csr[5]>>1) & s->csr[5]) & 0x0500)
+ if (((s->csr[5]>>1) & s->csr[5]) & 0x0500)
#else
if ((!!(s->csr[5] & 0x0400) && !!(s->csr[5] & 0x0800)) /* SINT */ ||
(!!(s->csr[5] & 0x0100) && !!(s->csr[5] & 0x0200)) /* SLPINT */ )
printf("pcnet: INTA=%d\n", isr);
#endif
}
- s->set_irq_cb(s, isr);
+ qemu_set_irq(s->irq, isr);
s->isr = isr;
}
static void pcnet_init(PCNetState *s)
{
int rlen, tlen;
- uint16_t *padr, *ladrf, mode;
+ uint16_t padr[3], ladrf[4], mode;
uint32_t rdra, tdra;
#ifdef PCNET_DEBUG
printf("pcnet_init init_addr=0x%08x\n", PHYSADDR(s,CSR_IADR(s)));
#endif
-
+
if (BCR_SSIZE32(s)) {
struct pcnet_initblk32 initblk;
s->phys_mem_read(s->dma_opaque, PHYSADDR(s,CSR_IADR(s)),
(uint8_t *)&initblk, sizeof(initblk), 0);
- mode = initblk.mode;
+ mode = le16_to_cpu(initblk.mode);
rlen = initblk.rlen >> 4;
tlen = initblk.tlen >> 4;
- ladrf = initblk.ladrf;
- padr = initblk.padr;
+ ladrf[0] = le16_to_cpu(initblk.ladrf[0]);
+ ladrf[1] = le16_to_cpu(initblk.ladrf[1]);
+ ladrf[2] = le16_to_cpu(initblk.ladrf[2]);
+ ladrf[3] = le16_to_cpu(initblk.ladrf[3]);
+ padr[0] = le16_to_cpu(initblk.padr[0]);
+ padr[1] = le16_to_cpu(initblk.padr[1]);
+ padr[2] = le16_to_cpu(initblk.padr[2]);
rdra = le32_to_cpu(initblk.rdra);
tdra = le32_to_cpu(initblk.tdra);
- s->rdra = PHYSADDR(s,initblk.rdra);
- s->tdra = PHYSADDR(s,initblk.tdra);
} else {
struct pcnet_initblk16 initblk;
s->phys_mem_read(s->dma_opaque, PHYSADDR(s,CSR_IADR(s)),
(uint8_t *)&initblk, sizeof(initblk), 0);
- mode = initblk.mode;
- ladrf = initblk.ladrf;
- padr = initblk.padr;
+ mode = le16_to_cpu(initblk.mode);
+ ladrf[0] = le16_to_cpu(initblk.ladrf[0]);
+ ladrf[1] = le16_to_cpu(initblk.ladrf[1]);
+ ladrf[2] = le16_to_cpu(initblk.ladrf[2]);
+ ladrf[3] = le16_to_cpu(initblk.ladrf[3]);
+ padr[0] = le16_to_cpu(initblk.padr[0]);
+ padr[1] = le16_to_cpu(initblk.padr[1]);
+ padr[2] = le16_to_cpu(initblk.padr[2]);
rdra = le32_to_cpu(initblk.rdra);
tdra = le32_to_cpu(initblk.tdra);
rlen = rdra >> 29;
rdra &= 0x00ffffff;
tdra &= 0x00ffffff;
}
-
+
#if defined(PCNET_DEBUG)
- printf("rlen=%d tlen=%d\n",
- rlen, tlen);
+ printf("rlen=%d tlen=%d\n", rlen, tlen);
#endif
+
CSR_RCVRL(s) = (rlen < 9) ? (1 << rlen) : 512;
CSR_XMTRL(s) = (tlen < 9) ? (1 << tlen) : 512;
s->csr[ 6] = (tlen << 12) | (rlen << 8);
- s->csr[15] = le16_to_cpu(mode);
- s->csr[ 8] = le16_to_cpu(ladrf[0]);
- s->csr[ 9] = le16_to_cpu(ladrf[1]);
- s->csr[10] = le16_to_cpu(ladrf[2]);
- s->csr[11] = le16_to_cpu(ladrf[3]);
- s->csr[12] = le16_to_cpu(padr[0]);
- s->csr[13] = le16_to_cpu(padr[1]);
- s->csr[14] = le16_to_cpu(padr[2]);
+ s->csr[15] = mode;
+ s->csr[ 8] = ladrf[0];
+ s->csr[ 9] = ladrf[1];
+ s->csr[10] = ladrf[2];
+ s->csr[11] = ladrf[3];
+ s->csr[12] = padr[0];
+ s->csr[13] = padr[1];
+ s->csr[14] = padr[2];
s->rdra = PHYSADDR(s, rdra);
s->tdra = PHYSADDR(s, tdra);
CSR_XMTRC(s) = CSR_XMTRL(s);
#ifdef PCNET_DEBUG
- printf("pcnet ss32=%d rdra=0x%08x[%d] tdra=0x%08x[%d]\n",
+ printf("pcnet ss32=%d rdra=0x%08x[%d] tdra=0x%08x[%d]\n",
BCR_SSIZE32(s),
s->rdra, CSR_RCVRL(s), s->tdra, CSR_XMTRL(s));
#endif
- s->csr[0] |= 0x0101;
+ s->csr[0] |= 0x0101;
s->csr[0] &= ~0x0004; /* clear STOP bit */
}
if (!CSR_DTX(s))
s->csr[0] |= 0x0010; /* set TXON */
-
+
if (!CSR_DRX(s))
s->csr[0] |= 0x0020; /* set RXON */
target_phys_addr_t nrda = pcnet_rdra_addr(s, -1 + CSR_RCVRC(s));
target_phys_addr_t nnrd = pcnet_rdra_addr(s, -2 + CSR_RCVRC(s));
#else
- target_phys_addr_t crda = s->rdra +
+ target_phys_addr_t crda = s->rdra +
(CSR_RCVRL(s) - CSR_RCVRC(s)) *
(BCR_SWSTYLE(s) ? 16 : 8 );
int nrdc = CSR_RCVRC(s)<=1 ? CSR_RCVRL(s) : CSR_RCVRC(s)-1;
- target_phys_addr_t nrda = s->rdra +
+ target_phys_addr_t nrda = s->rdra +
(CSR_RCVRL(s) - nrdc) *
(BCR_SWSTYLE(s) ? 16 : 8 );
int nnrc = nrdc<=1 ? CSR_RCVRL(s) : nrdc-1;
- target_phys_addr_t nnrd = s->rdra +
+ target_phys_addr_t nnrd = s->rdra +
(CSR_RCVRL(s) - nnrc) *
(BCR_SWSTYLE(s) ? 16 : 8 );
#endif
s->csr[37] = nnrd >> 16;
#ifdef PCNET_DEBUG
if (bad) {
- printf("pcnet: BAD RMD RECORDS AFTER 0x%08x\n",
+ printf("pcnet: BAD RMD RECORDS AFTER 0x" TARGET_FMT_plx "\n",
PHYSADDR(s,crda));
}
} else {
- printf("pcnet: BAD RMD RDA=0x%08x\n", PHYSADDR(s,crda));
+ printf("pcnet: BAD RMD RDA=0x" TARGET_FMT_plx "\n",
+ PHYSADDR(s,crda));
#endif
}
}
-
+
if (CSR_CRDA(s)) {
struct pcnet_RMD rmd;
RMDLOAD(&rmd, PHYSADDR(s,CSR_CRDA(s)));
- CSR_CRBC(s) = rmd.rmd1.bcnt;
- CSR_CRST(s) = ((uint32_t *)&rmd)[1] >> 16;
+ CSR_CRBC(s) = GET_FIELD(rmd.buf_length, RMDL, BCNT);
+ CSR_CRST(s) = rmd.status;
#ifdef PCNET_DEBUG_RMD_X
- printf("CRDA=0x%08x CRST=0x%04x RCVRC=%d RMD1=0x%08x RMD2=0x%08x\n",
+ printf("CRDA=0x%08x CRST=0x%04x RCVRC=%d RMDL=0x%04x RMDS=0x%04x RMDM=0x%08x\n",
PHYSADDR(s,CSR_CRDA(s)), CSR_CRST(s), CSR_RCVRC(s),
- ((uint32_t *)&rmd)[1], ((uint32_t *)&rmd)[2]);
+ rmd.buf_length, rmd.status, rmd.msg_length);
PRINT_RMD(&rmd);
#endif
} else {
CSR_CRBC(s) = CSR_CRST(s) = 0;
}
-
+
if (CSR_NRDA(s)) {
struct pcnet_RMD rmd;
RMDLOAD(&rmd, PHYSADDR(s,CSR_NRDA(s)));
- CSR_NRBC(s) = rmd.rmd1.bcnt;
- CSR_NRST(s) = ((uint32_t *)&rmd)[1] >> 16;
+ CSR_NRBC(s) = GET_FIELD(rmd.buf_length, RMDL, BCNT);
+ CSR_NRST(s) = rmd.status;
} else {
CSR_NRBC(s) = CSR_NRST(s) = 0;
}
{
s->csr[34] = s->csr[35] = 0;
if (s->tdra) {
- target_phys_addr_t cxda = s->tdra +
+ target_phys_addr_t cxda = s->tdra +
(CSR_XMTRL(s) - CSR_XMTRC(s)) *
- (BCR_SWSTYLE(s) ? 16 : 8 );
+ (BCR_SWSTYLE(s) ? 16 : 8);
int bad = 0;
CHECK_TMD(PHYSADDR(s, cxda),bad);
if (!bad) {
}
s->csr[34] = cxda & 0xffff;
s->csr[35] = cxda >> 16;
-#ifdef PCNET_DEBUG
- } else {
+#ifdef PCNET_DEBUG_X
printf("pcnet: BAD TMD XDA=0x%08x\n", PHYSADDR(s,cxda));
#endif
}
if (CSR_CXDA(s)) {
struct pcnet_TMD tmd;
- TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
+ TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
- CSR_CXBC(s) = tmd.tmd1.bcnt;
- CSR_CXST(s) = ((uint32_t *)&tmd)[1] >> 16;
+ CSR_CXBC(s) = GET_FIELD(tmd.length, TMDL, BCNT);
+ CSR_CXST(s) = tmd.status;
} else {
CSR_CXBC(s) = CSR_CXST(s) = 0;
}
-
+
return !!(CSR_CXST(s) & 0x8000);
}
PCNetState *s = opaque;
if (CSR_STOP(s) || CSR_SPND(s))
return 0;
-
+
if (s->recv_pos > 0)
return 0;
PCNetState *s = opaque;
int is_padr = 0, is_bcast = 0, is_ladr = 0;
uint8_t buf1[60];
+ int remaining;
+ int crc_err = 0;
if (CSR_DRX(s) || CSR_STOP(s) || CSR_SPND(s) || !size)
return;
size = MIN_BUF_SIZE;
}
- if (CSR_PROM(s)
- || (is_padr=padr_match(s, buf, size))
+ if (CSR_PROM(s)
+ || (is_padr=padr_match(s, buf, size))
|| (is_bcast=padr_bcast(s, buf, size))
|| (is_ladr=ladr_match(s, buf, size))) {
nrda = s->rdra +
(CSR_RCVRL(s) - rcvrc) *
(BCR_SWSTYLE(s) ? 16 : 8 );
- RMDLOAD(&rmd, PHYSADDR(s,nrda));
- if (rmd.rmd1.own) {
+ RMDLOAD(&rmd, PHYSADDR(s,nrda));
+ if (GET_FIELD(rmd.status, RMDS, OWN)) {
#ifdef PCNET_DEBUG_RMD
- printf("pcnet - scan buffer: RCVRC=%d PREV_RCVRC=%d\n",
+ printf("pcnet - scan buffer: RCVRC=%d PREV_RCVRC=%d\n",
rcvrc, CSR_RCVRC(s));
#endif
CSR_RCVRC(s) = rcvrc;
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]) {
+ while (p != &src[size])
CRC(fcs, *p++);
- }
- ((uint32_t *)&src[size])[0] = htonl(fcs);
- size += 4; /* FCS at end of packet */
- } else size += 4;
-#endif
+ *(uint32_t *)p = htonl(fcs);
+ size += 4;
+ } else {
+ uint32_t fcs = ~0;
+ uint8_t *p = src;
+
+ while (p != &src[size-4])
+ CRC(fcs, *p++);
+ crc_err = (*(uint32_t *)p != htonl(fcs));
+ }
#ifdef PCNET_DEBUG_MATCH
PRINT_PKTHDR(buf);
RMDLOAD(&rmd, PHYSADDR(s,crda));
/*if (!CSR_LAPPEN(s))*/
- rmd.rmd1.stp = 1;
+ SET_FIELD(&rmd.status, RMDS, STP, 1);
#define PCNET_RECV_STORE() do { \
- int count = MIN(4096 - rmd.rmd1.bcnt,size); \
- target_phys_addr_t rbadr = PHYSADDR(s, rmd.rmd0.rbadr); \
- s->phys_mem_write(s->dma_opaque, rbadr, src, count, CSR_BSWP(s)); \
- src += count; size -= count; \
- rmd.rmd2.mcnt = count; rmd.rmd1.own = 0; \
+ 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; 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 (rmd.rmd1.own) {
+ 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 (rmd.rmd1.own) {
+ if (GET_FIELD(rmd.status, RMDS, OWN)) {
crda = nrda;
PCNET_RECV_STORE();
}
}
- }
+ }
}
#undef PCNET_RECV_STORE
RMDLOAD(&rmd, PHYSADDR(s,crda));
- if (size == 0) {
- rmd.rmd1.enp = 1;
- rmd.rmd1.pam = !CSR_PROM(s) && is_padr;
- rmd.rmd1.lafm = !CSR_PROM(s) && is_ladr;
- rmd.rmd1.bam = !CSR_PROM(s) && is_bcast;
+ 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 {
- rmd.rmd1.oflo = 1;
- rmd.rmd1.buff = 1;
- rmd.rmd1.err = 1;
+ SET_FIELD(&rmd.status, RMDS, OFLO, 1);
+ SET_FIELD(&rmd.status, RMDS, BUFF, 1);
+ SET_FIELD(&rmd.status, RMDS, ERR, 1);
}
RMDSTORE(&rmd, PHYSADDR(s,crda));
s->csr[0] |= 0x0400;
#ifdef PCNET_DEBUG
- printf("RCVRC=%d CRDA=0x%08x BLKS=%d\n",
+ printf("RCVRC=%d CRDA=0x%08x BLKS=%d\n",
CSR_RCVRC(s), PHYSADDR(s,CSR_CRDA(s)), pktcount);
#endif
#ifdef PCNET_DEBUG_RMD
PRINT_RMD(&rmd);
-#endif
+#endif
while (pktcount--) {
if (CSR_RCVRC(s) <= 1)
CSR_RCVRC(s) = CSR_RCVRL(s);
else
- CSR_RCVRC(s)--;
+ CSR_RCVRC(s)--;
}
-
+
pcnet_rdte_poll(s);
- }
+ }
}
pcnet_poll(s);
- pcnet_update_irq(s);
+ pcnet_update_irq(s);
}
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)) {
s->csr[0] &= ~0x0008;
return;
if (pcnet_tdte_poll(s)) {
struct pcnet_TMD tmd;
- TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
+ TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
#ifdef PCNET_DEBUG_TMD
printf(" TMDLOAD 0x%08x\n", PHYSADDR(s,CSR_CXDA(s)));
PRINT_TMD(&tmd);
#endif
- if (tmd.tmd1.stp) {
- s->xmit_pos = 0;
- if (!tmd.tmd1.enp) {
- s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tmd0.tbadr),
- s->buffer, 4096 - tmd.tmd1.bcnt,
- CSR_BSWP(s));
- s->xmit_pos += 4096 - tmd.tmd1.bcnt;
- }
+ if (GET_FIELD(tmd.status, TMDS, STP)) {
+ s->xmit_pos = 0;
xmit_cxda = PHYSADDR(s,CSR_CXDA(s));
+ if (BCR_SWSTYLE(s) != 1)
+ add_crc = GET_FIELD(tmd.status, TMDS, ADDFCS);
}
- if (tmd.tmd1.enp && (s->xmit_pos >= 0)) {
- s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tmd0.tbadr),
- s->buffer + s->xmit_pos, 4096 - tmd.tmd1.bcnt,
- CSR_BSWP(s));
- s->xmit_pos += 4096 - tmd.tmd1.bcnt;
+ 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));
+ s->xmit_pos += bcnt;
#ifdef PCNET_DEBUG
printf("pcnet_transmit size=%d\n", s->xmit_pos);
-#endif
- if (CSR_LOOP(s))
+#endif
+ 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, s->buffer, s->xmit_pos);
- else
- qemu_send_packet(s->vc, s->buffer, s->xmit_pos);
+ s->looptest = 0;
+ } else
+ if (s->vc)
+ qemu_send_packet(s->vc, s->buffer, s->xmit_pos);
s->csr[0] &= ~0x0008; /* clear TDMD */
s->csr[4] |= 0x0004; /* set TXSTRT */
s->xmit_pos = -1;
}
- tmd.tmd1.own = 0;
+ SET_FIELD(&tmd.status, TMDS, OWN, 0);
TMDSTORE(&tmd, PHYSADDR(s,CSR_CXDA(s)));
- if (!CSR_TOKINTD(s) || (CSR_LTINTEN(s) && tmd.tmd1.ltint))
+ if (!CSR_TOKINTD(s) || (CSR_LTINTEN(s) && GET_FIELD(tmd.status, TMDS, LTINT)))
s->csr[0] |= 0x0200; /* set TINT */
if (CSR_XMTRC(s)<=1)
if (count--)
goto txagain;
- } else
+ } else
if (s->xmit_pos >= 0) {
struct pcnet_TMD tmd;
- TMDLOAD(&tmd, PHYSADDR(s,xmit_cxda));
- tmd.tmd2.buff = tmd.tmd2.uflo = tmd.tmd1.err = 1;
- tmd.tmd1.own = 0;
+ TMDLOAD(&tmd, PHYSADDR(s,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));
s->csr[0] |= 0x0200; /* set TINT */
if (!CSR_DXSUFLO(s)) {
pcnet_rdte_poll(s);
}
- if (CSR_TDMD(s) ||
+ if (CSR_TDMD(s) ||
(CSR_TXON(s) && !CSR_DPOLL(s) && pcnet_tdte_poll(s)))
{
/* prevent recursion */
pcnet_transmit(s);
}
- pcnet_update_irq(s);
+ pcnet_update_irq(s);
if (!CSR_STOP(s) && !CSR_SPND(s) && !CSR_DPOLL(s)) {
uint64_t now = qemu_get_clock(vm_clock) * 33;
} else
CSR_POLL(s) = t;
}
- qemu_mod_timer(s->poll_timer,
+ qemu_mod_timer(s->poll_timer,
pcnet_get_next_poll_time(s,qemu_get_clock(vm_clock)));
}
}
if (!CSR_STRT(s) && (val & 2))
pcnet_start(s);
- if (CSR_TDMD(s))
+ if (CSR_TDMD(s))
pcnet_transmit(s);
return;
case 3:
break;
case 4:
- s->csr[4] &= ~(val & 0x026a);
+ s->csr[4] &= ~(val & 0x026a);
val &= ~0x026a; val |= s->csr[4] & 0x026a;
break;
case 5:
- s->csr[5] &= ~(val & 0x0a90);
+ s->csr[5] &= ~(val & 0x0a90);
val &= ~0x0a90; val |= s->csr[5] & 0x0a90;
break;
case 16:
return val;
}
-void pcnet_h_reset(void *opaque)
+static void pcnet_h_reset(void *opaque)
{
PCNetState *s = opaque;
int i;
/* Initialize the PROM */
- memcpy(s->prom, s->nd->macaddr, 6);
+ if (s->nd)
+ memcpy(s->prom, s->nd->macaddr, 6);
s->prom[12] = s->prom[13] = 0x00;
s->prom[14] = s->prom[15] = 0x57;
PCNetState *s = opaque;
#ifdef PCNET_DEBUG
printf("pcnet_aprom_writeb addr=0x%08x val=0x%02x\n", addr, val);
-#endif
+#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)
{
pcnet_bcr_writew(s, BCR_BSBC, pcnet_bcr_readw(s, BCR_BSBC) | 0x0080);
#ifdef PCNET_DEBUG_IO
printf("device switched into dword i/o mode\n");
-#endif
+#endif
}
pcnet_update_irq(s);
}
PCNetState *s = opaque;
uint32_t val = -1;
pcnet_poll_timer(s);
- if (BCR_DWIO(s)) {
+ if (BCR_DWIO(s)) {
switch (addr & 0x0f) {
case 0x00: /* RDP */
val = pcnet_csr_readw(s, s->rap);
return val;
}
-static void pcnet_ioport_map(PCIDevice *pci_dev, int region_num,
+static void pcnet_ioport_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type)
{
PCNetState *d = (PCNetState *)pci_dev;
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);
{
PCNetState *d = opaque;
#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writeb addr=0x%08x val=0x%02x\n", addr, val);
+ printf("pcnet_mmio_writeb addr=0x" TARGET_FMT_plx" 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)
+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);
+ printf("pcnet_mmio_readb addr=0x" TARGET_FMT_plx " val=0x%02x\n", addr,
+ val & 0xff);
#endif
return val;
}
{
PCNetState *d = opaque;
#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writew addr=0x%08x val=0x%04x\n", addr, val);
+ printf("pcnet_mmio_writew addr=0x" TARGET_FMT_plx " val=0x%04x\n", addr,
+ val);
#endif
if (addr & 0x10)
pcnet_ioport_writew(d, addr & 0x0f, val);
}
}
-static uint32_t pcnet_mmio_readw(void *opaque, target_phys_addr_t addr)
+static uint32_t pcnet_mmio_readw(void *opaque, target_phys_addr_t addr)
{
PCNetState *d = opaque;
uint32_t val = -1;
val |= pcnet_aprom_readb(d, addr);
}
#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readw addr=0x%08x val = 0x%04x\n", addr, val & 0xffff);
+ printf("pcnet_mmio_readw addr=0x" TARGET_FMT_plx" val = 0x%04x\n", addr,
+ val & 0xffff);
#endif
return val;
}
{
PCNetState *d = opaque;
#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_writel addr=0x%08x val=0x%08x\n", addr, val);
+ printf("pcnet_mmio_writel addr=0x" TARGET_FMT_plx" val=0x%08x\n", addr,
+ val);
#endif
if (addr & 0x10)
pcnet_ioport_writel(d, addr & 0x0f, val);
}
}
-static uint32_t pcnet_mmio_readl(void *opaque, target_phys_addr_t addr)
+static uint32_t pcnet_mmio_readl(void *opaque, target_phys_addr_t addr)
{
PCNetState *d = opaque;
uint32_t val;
val |= pcnet_aprom_readb(d, addr);
}
#ifdef PCNET_DEBUG_IO
- printf("pcnet_mmio_readl addr=0x%08x val=0x%08x\n", addr, val);
+ printf("pcnet_mmio_readl addr=0x" TARGET_FMT_plx " val=0x%08x\n", addr,
+ val);
#endif
return val;
}
if (s->pci_dev)
pci_device_save(s->pci_dev, f);
- qemu_put_be32s(f, &s->rap);
- qemu_put_be32s(f, &s->isr);
- qemu_put_be32s(f, &s->lnkst);
+ 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 < 32; i++)
qemu_put_be16s(f, &s->bcr[i]);
qemu_put_be64s(f, &s->timer);
- qemu_put_be32s(f, &s->xmit_pos);
- qemu_put_be32s(f, &s->recv_pos);
+ qemu_put_be32(f, s->xmit_pos);
+ qemu_put_be32(f, s->recv_pos);
qemu_put_buffer(f, s->buffer, 4096);
- qemu_put_be32s(f, &s->tx_busy);
+ qemu_put_be32(f, s->tx_busy);
qemu_put_timer(f, s->poll_timer);
}
return ret;
}
- qemu_get_be32s(f, &s->rap);
- qemu_get_be32s(f, &s->isr);
- qemu_get_be32s(f, &s->lnkst);
+ 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 < 32; i++)
qemu_get_be16s(f, &s->bcr[i]);
qemu_get_be64s(f, &s->timer);
- qemu_get_be32s(f, &s->xmit_pos);
- qemu_get_be32s(f, &s->recv_pos);
+ 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, &s->tx_busy);
+ qemu_get_be32s(f, (uint32_t*)&s->tx_busy);
qemu_get_timer(f, s->poll_timer);
return 0;
d->nd = nd;
- 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]);
-
+ 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);
+ register_savevm("pcnet", -1, 2, pcnet_save, pcnet_load, d);
}
/* PCI interface */
(CPUReadMemoryFunc *)&pcnet_mmio_readl
};
-static void pcnet_mmio_map(PCIDevice *pci_dev, int region_num,
+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);
+ printf("pcnet_mmio_map addr=0x%08x 0x%08x\n", addr, size);
#endif
cpu_register_physical_memory(addr, PCNET_PNPMMIO_SIZE, d->mmio_index);
}
-static void pcnet_pci_set_irq_cb(void *opaque, int isr)
-{
- PCNetState *s = opaque;
-
- pci_set_irq(&s->dev, 0, isr);
-}
-
static void pci_physical_memory_write(void *dma_opaque, target_phys_addr_t addr,
uint8_t *buf, int len, int do_bswap)
{
uint8_t *pci_conf;
#if 0
- printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
+ 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[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[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;
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_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_register_io_region((PCIDevice *)d, 1, PCNET_PNPMMIO_SIZE,
PCI_ADDRESS_SPACE_MEM, pcnet_mmio_map);
-
- d->set_irq_cb = pcnet_pci_set_irq_cb;
+
+ 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;
/* SPARC32 interface */
#if defined (TARGET_SPARC) && !defined(TARGET_SPARC64) // Avoid compile failure
+#include "sun4m.h"
-static CPUReadMemoryFunc *lance_mem_read[3] = {
- (CPUReadMemoryFunc *)&pcnet_ioport_readw,
- (CPUReadMemoryFunc *)&pcnet_ioport_readw,
- (CPUReadMemoryFunc *)&pcnet_ioport_readw,
-};
+static void parent_lance_reset(void *opaque, int irq, int level)
+{
+ if (level)
+ pcnet_h_reset(opaque);
+}
-static CPUWriteMemoryFunc *lance_mem_write[3] = {
- (CPUWriteMemoryFunc *)&pcnet_ioport_writew,
- (CPUWriteMemoryFunc *)&pcnet_ioport_writew,
- (CPUWriteMemoryFunc *)&pcnet_ioport_writew,
-};
+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 void pcnet_sparc_set_irq_cb(void *opaque, int isr)
+static uint32_t lance_mem_readw(void *opaque, target_phys_addr_t addr)
{
- PCNetState *s = opaque;
+ uint32_t val;
- ledma_set_irq(s->dma_opaque, isr);
+ val = pcnet_ioport_readw(opaque, addr & 7);
+#ifdef PCNET_DEBUG_IO
+ printf("lance_mem_readw addr=" TARGET_FMT_plx " val = 0x%04x\n", addr,
+ val & 0xffff);
+#endif
+
+ return val & 0xffff;
}
-void *lance_init(NICInfo *nd, uint32_t leaddr, void *dma_opaque)
+static CPUReadMemoryFunc *lance_mem_read[3] = {
+ NULL,
+ lance_mem_readw,
+ NULL,
+};
+
+static CPUWriteMemoryFunc *lance_mem_write[3] = {
+ NULL,
+ lance_mem_writew,
+ NULL,
+};
+
+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 NULL;
+ 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->set_irq_cb = pcnet_sparc_set_irq_cb;
+ d->irq = irq;
d->phys_mem_read = ledma_memory_read;
d->phys_mem_write = ledma_memory_write;
pcnet_common_init(d, nd, "lance");
-
- return d;
}
#endif /* TARGET_SPARC */
projects / qemu.git / blobdiff