From: ths Date: Tue, 6 Mar 2007 18:56:13 +0000 (+0000) Subject: Fix unportable bitfields use which broke pcnet for big endian hosts. X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=6d2980f515c005091de0b9f4fe526e749f62c380;p=qmiga%2Fqemu.git Fix unportable bitfields use which broke pcnet for big endian hosts. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2469 c046a42c-6fe2-441c-8c8c-71466251a162 --- 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)) {