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-rw-r--r--hw/pcnet.c608
1 files changed, 339 insertions, 269 deletions
diff --git a/hw/pcnet.c b/hw/pcnet.c
index 3bdddeb38a..71b8cf2a9b 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -77,14 +77,6 @@ struct PCNetState_st {
void *dma_opaque;
};
-/* 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];
@@ -183,223 +175,291 @@ struct pcnet_initblk32 {
};
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_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(&tmd->length);
+ le16_to_cpus(&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(&rmd->buf_length);
+ le16_to_cpus(&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);
}
}
@@ -417,14 +477,14 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
#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
@@ -434,8 +494,8 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
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); \
@@ -444,7 +504,7 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
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; \
@@ -453,7 +513,7 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
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; \
@@ -467,9 +527,9 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
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: \
@@ -477,8 +537,8 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
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; \
@@ -488,15 +548,15 @@ static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd1,
#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
@@ -770,7 +830,7 @@ static void pcnet_update_irq(PCNetState *s)
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
@@ -781,22 +841,30 @@ static void pcnet_init(PCNetState *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;
@@ -804,22 +872,22 @@ static void pcnet_init(PCNetState *s)
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);
@@ -914,12 +982,12 @@ static void pcnet_rdte_poll(PCNetState *s)
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 {
@@ -929,8 +997,8 @@ static void pcnet_rdte_poll(PCNetState *s)
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;
}
@@ -943,7 +1011,7 @@ static int pcnet_tdte_poll(PCNetState *s)
if (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) {
@@ -955,8 +1023,7 @@ static int pcnet_tdte_poll(PCNetState *s)
}
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
}
@@ -967,8 +1034,8 @@ static int pcnet_tdte_poll(PCNetState *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;
}
@@ -1029,7 +1096,7 @@ static void pcnet_receive(void *opaque, const uint8_t *buf, int size)
(CSR_RCVRL(s) - rcvrc) *
(BCR_SWSTYLE(s) ? 16 : 8 );
RMDLOAD(&rmd, PHYSADDR(s,nrda));
- if (rmd.rmd1.own) {
+ if (GET_FIELD(rmd.status, RMDS, OWN)) {
#ifdef PCNET_DEBUG_RMD
printf("pcnet - scan buffer: RCVRC=%d PREV_RCVRC=%d\n",
rcvrc, CSR_RCVRC(s));
@@ -1086,14 +1153,15 @@ static void pcnet_receive(void *opaque, const uint8_t *buf, int size)
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)); \
+ int count = MIN(4096 - GET_FIELD(rmd.buf_length, RMDL, BCNT),size); \
+ 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; \
- rmd.rmd2.mcnt = count; rmd.rmd1.own = 0; \
+ SET_FIELD(&rmd.msg_length, RMDM, MCNT, count); \
+ SET_FIELD(&rmd.status, RMDS, OWN, 0); \
RMDSTORE(&rmd, PHYSADDR(s,crda)); \
pktcount++; \
} while (0)
@@ -1102,12 +1170,12 @@ static void pcnet_receive(void *opaque, const uint8_t *buf, int size)
if ((size > 0) && CSR_NRDA(s)) {
target_phys_addr_t nrda = CSR_NRDA(s);
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))) {
RMDLOAD(&rmd, PHYSADDR(s,nrda));
- if (rmd.rmd1.own) {
+ if (GET_FIELD(rmd.status, RMDS, OWN)) {
crda = nrda;
PCNET_RECV_STORE();
}
@@ -1119,14 +1187,14 @@ static void pcnet_receive(void *opaque, const uint8_t *buf, int size)
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;
+ 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);
} 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;
@@ -1172,30 +1240,30 @@ static void pcnet_transmit(PCNetState *s)
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;
+ 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 (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) && (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
+#endif
if (CSR_LOOP(s))
pcnet_receive(s, s->buffer, s->xmit_pos);
else
@@ -1206,9 +1274,9 @@ static void pcnet_transmit(PCNetState *s)
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)
@@ -1221,9 +1289,11 @@ static void pcnet_transmit(PCNetState *s)
} 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)) {
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-25 21:42:31 +0000