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openbsd-ports/emulators/qemu/patches/patch-hw_pcnet_h
todd fc1ebc4565 update to 0.7.1 (http://qemu.org/changelog.html) 
add pcnet nic support
2005-08-11 01:15:17 +00:00

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$OpenBSD: patch-hw_pcnet_h,v 1.1 2005/08/11 01:15:17 todd Exp $
--- hw/pcnet.h.orig Wed Aug 10 15:48:42 2005
+++ hw/pcnet.h Wed Aug 10 15:48:42 2005
@@ -0,0 +1,583 @@
+/*
+ * 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
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * 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
+ */
+
+#ifdef __GNUC__
+#define PACKED(A) A __attribute__ ((packed))
+#else
+#error FixMe
+#endif
+
+/* BUS CONFIGURATION REGISTERS */
+#define BCR_MSRDA 0
+#define BCR_MSWRA 1
+#define BCR_MC 2
+#define BCR_LNKST 4
+#define BCR_LED1 5
+#define BCR_LED2 6
+#define BCR_LED3 7
+#define BCR_FDC 9
+#define BCR_BSBC 18
+#define BCR_EECAS 19
+#define BCR_SWS 20
+#define BCR_PLAT 22
+
+#define BCR_DWIO(S) !!((S)->bcr[BCR_BSBC] & 0x0080)
+#define BCR_SSIZE32(S) !!((S)->bcr[BCR_SWS ] & 0x0100)
+#define BCR_SWSTYLE(S) ((S)->bcr[BCR_SWS ] & 0x00FF)
+
+#define CSR_INIT(S) !!(((S)->csr[0])&0x0001)
+#define CSR_STRT(S) !!(((S)->csr[0])&0x0002)
+#define CSR_STOP(S) !!(((S)->csr[0])&0x0004)
+#define CSR_TDMD(S) !!(((S)->csr[0])&0x0008)
+#define CSR_TXON(S) !!(((S)->csr[0])&0x0010)
+#define CSR_RXON(S) !!(((S)->csr[0])&0x0020)
+#define CSR_INEA(S) !!(((S)->csr[0])&0x0040)
+#define CSR_LAPPEN(S) !!(((S)->csr[3])&0x0020)
+#define CSR_DXSUFLO(S) !!(((S)->csr[3])&0x0040)
+#define CSR_ASTRP_RCV(S) !!(((S)->csr[4])&0x0800)
+#define CSR_DPOLL(S) !!(((S)->csr[4])&0x1000)
+#define CSR_SPND(S) !!(((S)->csr[5])&0x0001)
+#define CSR_LTINTEN(S) !!(((S)->csr[5])&0x4000)
+#define CSR_TOKINTD(S) !!(((S)->csr[5])&0x8000)
+#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_DRCVPA(S) !!(((S)->csr[15])&0x2000)
+#define CSR_DRCVBC(S) !!(((S)->csr[15])&0x4000)
+#define CSR_PROM(S) !!(((S)->csr[15])&0x8000)
+
+#define CSR_CRBC(S) ((S)->csr[40])
+#define CSR_CRST(S) ((S)->csr[41])
+#define CSR_CXBC(S) ((S)->csr[42])
+#define CSR_CXST(S) ((S)->csr[43])
+#define CSR_NRBC(S) ((S)->csr[44])
+#define CSR_NRST(S) ((S)->csr[45])
+#define CSR_POLL(S) ((S)->csr[46])
+#define CSR_PINT(S) ((S)->csr[47])
+#define CSR_RCVRC(S) ((S)->csr[72])
+#define CSR_XMTRC(S) ((S)->csr[74])
+#define CSR_RCVRL(S) ((S)->csr[76])
+#define CSR_XMTRL(S) ((S)->csr[78])
+#define CSR_MISSC(S) ((S)->csr[112])
+
+#define CSR_IADR(S) ((S)->csr[ 1] | ((S)->csr[ 2] << 16))
+#define CSR_CRBA(S) ((S)->csr[18] | ((S)->csr[19] << 16))
+#define CSR_CXBA(S) ((S)->csr[20] | ((S)->csr[21] << 16))
+#define CSR_NRBA(S) ((S)->csr[22] | ((S)->csr[23] << 16))
+#define CSR_BADR(S) ((S)->csr[24] | ((S)->csr[25] << 16))
+#define CSR_NRDA(S) ((S)->csr[26] | ((S)->csr[27] << 16))
+#define CSR_CRDA(S) ((S)->csr[28] | ((S)->csr[29] << 16))
+#define CSR_BADX(S) ((S)->csr[30] | ((S)->csr[31] << 16))
+#define CSR_NXDA(S) ((S)->csr[32] | ((S)->csr[33] << 16))
+#define CSR_CXDA(S) ((S)->csr[34] | ((S)->csr[35] << 16))
+#define CSR_NNRD(S) ((S)->csr[36] | ((S)->csr[37] << 16))
+#define CSR_NNXD(S) ((S)->csr[38] | ((S)->csr[39] << 16))
+#define CSR_PXDA(S) ((S)->csr[60] | ((S)->csr[61] << 16))
+#define CSR_NXBA(S) ((S)->csr[64] | ((S)->csr[65] << 16))
+
+#define PHYSADDR(S,A) \
+ (BCR_SSIZE32(S) ? (A) : (A) | ((0xff00 & (uint32_t)(s)->csr[2])<<16))
+
+struct pcnet_initblk16 {
+ uint16_t mode;
+ uint16_t padr1;
+ uint16_t padr2;
+ uint16_t padr3;
+ uint16_t ladrf1;
+ uint16_t ladrf2;
+ uint16_t ladrf3;
+ uint16_t ladrf4;
+ unsigned PACKED(rdra:24);
+ unsigned PACKED(res1:5);
+ unsigned PACKED(rlen:3);
+ unsigned PACKED(tdra:24);
+ unsigned PACKED(res2:5);
+ unsigned PACKED(tlen:3);
+};
+
+struct pcnet_initblk32 {
+ uint16_t mode;
+ unsigned PACKED(res1:4);
+ unsigned PACKED(rlen:4);
+ unsigned PACKED(res2:4);
+ unsigned PACKED(tlen:4);
+ uint16_t padr1;
+ uint16_t padr2;
+ uint16_t padr3;
+ uint16_t _res;
+ uint16_t ladrf1;
+ uint16_t ladrf2;
+ uint16_t ladrf3;
+ uint16_t ladrf4;
+ uint32_t rdra;
+ uint32_t tdra;
+};
+
+struct pcnet_TMD {
+ struct {
+ unsigned tbadr:32;
+ } tmd0;
+ struct {
+ unsigned PACKED(bcnt:12), PACKED(ones:4), PACKED(res:7), PACKED(bpe:1);
+ unsigned PACKED(enp:1), PACKED(stp:1), PACKED(def:1), PACKED(one:1);
+ unsigned PACKED(ltint:1), PACKED(nofcs:1), PACKED(err:1), PACKED(own:1);
+ } tmd1;
+ struct {
+ unsigned PACKED(trc:4), PACKED(res:12);
+ unsigned PACKED(tdr:10), PACKED(rtry:1), PACKED(lcar:1);
+ unsigned PACKED(lcol:1), PACKED(exdef:1), PACKED(uflo:1), PACKED(buff:1);
+ } tmd2;
+ struct {
+ unsigned res:32;
+ } tmd3;
+};
+
+struct pcnet_RMD {
+ struct {
+ unsigned rbadr:32;
+ } rmd0;
+ struct {
+ unsigned PACKED(bcnt:12), PACKED(ones:4), PACKED(res:4);
+ unsigned PACKED(bam:1), PACKED(lafm:1), PACKED(pam:1), PACKED(bpe:1);
+ unsigned PACKED(enp:1), PACKED(stp:1), PACKED(buff:1), PACKED(crc:1);
+ unsigned PACKED(oflo:1), PACKED(fram:1), PACKED(err:1), PACKED(own:1);
+ } rmd1;
+ struct {
+ unsigned PACKED(mcnt:12), PACKED(zeros:4);
+ unsigned PACKED(rpc:8), PACKED(rcc:8);
+ } rmd2;
+ struct {
+ unsigned res:32;
+ } rmd3;
+};
+
+
+#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" \
+ "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" \
+ "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 *tmd, target_phys_addr_t addr)
+{
+ if (!BCR_SWSTYLE(s)) {
+ uint16_t xda[4];
+ cpu_physical_memory_read(addr,
+ (void *)&xda[0], sizeof(xda));
+ ((uint32_t *)tmd)[0] = (xda[0]&0xffff) |
+ ((xda[1]&0x00ff) << 16);
+ ((uint32_t *)tmd)[1] = (xda[2]&0xffff)|
+ ((xda[1] & 0xff00) << 16);
+ ((uint32_t *)tmd)[2] =
+ (xda[3] & 0xffff) << 16;
+ ((uint32_t *)tmd)[3] = 0;
+ }
+ else
+ if (BCR_SWSTYLE(s) != 3)
+ cpu_physical_memory_read(addr, (void *)tmd, 16);
+ else {
+ uint32_t xda[4];
+ cpu_physical_memory_read(addr,
+ (void *)&xda[0], sizeof(xda));
+ ((uint32_t *)tmd)[0] = xda[2];
+ ((uint32_t *)tmd)[1] = xda[1];
+ ((uint32_t *)tmd)[2] = xda[0];
+ ((uint32_t *)tmd)[3] = xda[3];
+ }
+}
+
+static inline void pcnet_tmd_store(PCNetState *s, struct pcnet_TMD *tmd, target_phys_addr_t addr)
+{
+ cpu_physical_memory_set_dirty(addr);
+ if (!BCR_SWSTYLE(s)) {
+ uint16_t xda[4];
+ xda[0] = ((uint32_t *)tmd)[0] & 0xffff;
+ xda[1] = ((((uint32_t *)tmd)[0]>>16)&0x00ff) |
+ ((((uint32_t *)tmd)[1]>>16)&0xff00);
+ xda[2] = ((uint32_t *)tmd)[1] & 0xffff;
+ xda[3] = ((uint32_t *)tmd)[2] >> 16;
+ cpu_physical_memory_write(addr,
+ (void *)&xda[0], sizeof(xda));
+ cpu_physical_memory_set_dirty(addr+7);
+ }
+ else {
+ if (BCR_SWSTYLE(s) != 3)
+ cpu_physical_memory_write(addr, (void *)tmd, 16);
+ else {
+ uint32_t xda[4];
+ xda[0] = ((uint32_t *)tmd)[2];
+ xda[1] = ((uint32_t *)tmd)[1];
+ xda[2] = ((uint32_t *)tmd)[0];
+ xda[3] = ((uint32_t *)tmd)[3];
+ cpu_physical_memory_write(addr,
+ (void *)&xda[0], sizeof(xda));
+ }
+ cpu_physical_memory_set_dirty(addr+15);
+ }
+}
+
+static inline void pcnet_rmd_load(PCNetState *s, struct pcnet_RMD *rmd, target_phys_addr_t addr)
+{
+ if (!BCR_SWSTYLE(s)) {
+ uint16_t rda[4];
+ cpu_physical_memory_read(addr,
+ (void *)&rda[0], sizeof(rda));
+ ((uint32_t *)rmd)[0] = (rda[0]&0xffff)|
+ ((rda[1] & 0x00ff) << 16);
+ ((uint32_t *)rmd)[1] = (rda[2]&0xffff)|
+ ((rda[1] & 0xff00) << 16);
+ ((uint32_t *)rmd)[2] = rda[3] & 0xffff;
+ ((uint32_t *)rmd)[3] = 0;
+ }
+ else
+ if (BCR_SWSTYLE(s) != 3)
+ cpu_physical_memory_read(addr, (void *)rmd, 16);
+ else {
+ uint32_t rda[4];
+ cpu_physical_memory_read(addr,
+ (void *)&rda[0], sizeof(rda));
+ ((uint32_t *)rmd)[0] = rda[2];
+ ((uint32_t *)rmd)[1] = rda[1];
+ ((uint32_t *)rmd)[2] = rda[0];
+ ((uint32_t *)rmd)[3] = rda[3];
+ }
+}
+
+static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd, target_phys_addr_t addr)
+{
+ cpu_physical_memory_set_dirty(addr);
+ if (!BCR_SWSTYLE(s)) {
+ uint16_t rda[4]; \
+ rda[0] = ((uint32_t *)rmd)[0] & 0xffff; \
+ rda[1] = ((((uint32_t *)rmd)[0]>>16)&0xff)|\
+ ((((uint32_t *)rmd)[1]>>16)&0xff00);\
+ rda[2] = ((uint32_t *)rmd)[1] & 0xffff; \
+ rda[3] = ((uint32_t *)rmd)[2] & 0xffff; \
+ cpu_physical_memory_write(addr, \
+ (void *)&rda[0], sizeof(rda)); \
+ cpu_physical_memory_set_dirty(addr+7);
+ }
+ else {
+ if (BCR_SWSTYLE(s) != 3)
+ cpu_physical_memory_write(addr, (void *)rmd, 16);
+ else {
+ uint32_t rda[4];
+ rda[0] = ((uint32_t *)rmd)[2];
+ rda[1] = ((uint32_t *)rmd)[1];
+ rda[2] = ((uint32_t *)rmd)[0];
+ rda[3] = ((uint32_t *)rmd)[3];
+ cpu_physical_memory_write(addr,
+ (void *)&rda[0], sizeof(rda));
+ }
+ cpu_physical_memory_set_dirty(addr+15);
+ }
+}
+
+
+#define TMDLOAD(TMD,ADDR) pcnet_tmd_load(s,TMD,ADDR)
+
+#define TMDSTORE(TMD,ADDR) pcnet_tmd_store(s,TMD,ADDR)
+
+#define RMDLOAD(RMD,ADDR) pcnet_rmd_load(s,RMD,ADDR)
+
+#define RMDSTORE(RMD,ADDR) pcnet_rmd_store(s,RMD,ADDR)
+
+#if 1
+
+#define CHECK_RMD(ADDR,RES) do { \
+ struct pcnet_RMD rmd; \
+ RMDLOAD(&rmd,(ADDR)); \
+ (RES) |= (rmd.rmd1.ones != 15) \
+ || (rmd.rmd2.zeros != 0); \
+} while (0)
+
+#define CHECK_TMD(ADDR,RES) do { \
+ struct pcnet_TMD tmd; \
+ TMDLOAD(&tmd,(ADDR)); \
+ (RES) |= (tmd.tmd1.ones != 15); \
+} while (0)
+
+#else
+
+#define CHECK_RMD(ADDR,RES) do { \
+ switch (BCR_SWSTYLE(s)) { \
+ case 0x00: \
+ do { \
+ uint16_t rda[4]; \
+ cpu_physical_memory_read((ADDR), \
+ (void *)&rda[0], sizeof(rda)); \
+ (RES) |= (rda[2] & 0xf000)!=0xf000; \
+ (RES) |= (rda[3] & 0xf000)!=0x0000; \
+ } while (0); \
+ break; \
+ case 0x01: \
+ case 0x02: \
+ do { \
+ uint32_t rda[4]; \
+ cpu_physical_memory_read((ADDR), \
+ (void *)&rda[0], sizeof(rda)); \
+ (RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
+ (RES) |= (rda[2] & 0x0000f000L)!=0x00000000L; \
+ } while (0); \
+ break; \
+ case 0x03: \
+ do { \
+ uint32_t rda[4]; \
+ cpu_physical_memory_read((ADDR), \
+ (void *)&rda[0], sizeof(rda)); \
+ (RES) |= (rda[0] & 0x0000f000L)!=0x00000000L; \
+ (RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
+ } while (0); \
+ break; \
+ } \
+} while (0)
+
+#define CHECK_TMD(ADDR,RES) do { \
+ switch (BCR_SWSTYLE(s)) { \
+ case 0x00: \
+ do { \
+ uint16_t xda[4]; \
+ cpu_physical_memory_read((ADDR), \
+ (void *)&xda[0], sizeof(xda)); \
+ (RES) |= (xda[2] & 0xf000)!=0xf000;\
+ } while (0); \
+ break; \
+ case 0x01: \
+ case 0x02: \
+ case 0x03: \
+ do { \
+ uint32_t xda[4]; \
+ cpu_physical_memory_read((ADDR), \
+ (void *)&xda[0], sizeof(xda)); \
+ (RES) |= (xda[1] & 0x0000f000L)!=0x0000f000L; \
+ } while (0); \
+ break; \
+ } \
+} while (0)
+
+#endif
+
+#define PRINT_PKTHDR(BUF) do { \
+ struct ether_header *hdr = (void *)(BUF); \
+ printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, " \
+ "shost=%02x:%02x:%02x:%02x:%02x:%02x, " \
+ "type=0x%04x (bcast=%d)\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], \
+ htons(hdr->ether_type), \
+ !!ETHER_IS_MULTICAST(hdr->ether_dhost)); \
+} while (0)
+
+#define MULTICAST_FILTER_LEN 8
+
+static inline uint32_t lnc_mchash(const uint8_t *ether_addr)
+{
+#define LNC_POLYNOMIAL 0xEDB88320UL
+ uint32_t crc = 0xFFFFFFFF;
+ int idx, bit;
+ uint8_t data;
+
+ for (idx = 0; idx < ETHER_ADDR_LEN; idx++) {
+ for (data = *ether_addr++, bit = 0; bit < MULTICAST_FILTER_LEN; bit++) {
+ crc = (crc >> 1) ^ (((crc ^ data) & 1) ? LNC_POLYNOMIAL : 0);
+ data >>= 1;
+ }
+ }
+ return crc;
+#undef LNC_POLYNOMIAL
+}
+
+#define MIN(X,Y) ((X>Y) ? (Y) : (X))
+
+#define CRC(crc, ch) (crc = (crc >> 8) ^ crctab[(crc ^ (ch)) & 0xff])
+
+/* generated using the AUTODIN II polynomial
+ * x^32 + x^26 + x^23 + x^22 + x^16 +
+ * x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + 1
+ */
+static const uint32_t crctab[256] = {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
+ 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
+ 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
+ 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
+ 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
+ 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
+ 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
+ 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
+ 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
+ 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
+ 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
+ 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
+ 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
+ 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
+ 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
+ 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
+ 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
+ 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
+ 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
+ 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
+ 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
+ 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
+ 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
+ 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
+ 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
+ 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
+ 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
+ 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
+ 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
+ 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
+ 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
+ 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
+ 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
+ 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
+ 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
+};
+
+static inline int padr_match(PCNetState *s, const uint8_t *buf, int size)
+{
+ struct ether_header *hdr = (void *)buf;
+ 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
+ };
+ int result = (!CSR_DRCVPA(s)) && !bcmp(hdr->ether_dhost, padr, 6);
+#ifdef PCNET_DEBUG_MATCH
+ printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, "
+ "padr=%02x:%02x:%02x:%02x:%02x:%02x\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],
+ padr[0],padr[1],padr[2],padr[3],padr[4],padr[5]);
+ printf("padr_match result=%d\n", result);
+#endif
+ return result;
+}
+
+static inline int padr_bcast(PCNetState *s, const uint8_t *buf, int size)
+{
+ static uint8_t BCAST[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+ struct ether_header *hdr = (void *)buf;
+ int result = !CSR_DRCVBC(s) && !bcmp(hdr->ether_dhost, BCAST, 6);
+#ifdef PCNET_DEBUG_MATCH
+ printf("padr_bcast result=%d\n", result);
+#endif
+ return result;
+}
+
+static inline int ladr_match(PCNetState *s, const uint8_t *buf, int size)
+{
+ struct ether_header *hdr = (void *)buf;
+ if ((*(hdr->ether_dhost)&0x01) &&
+ ((uint64_t *)&s->csr[8])[0] != 0LL) {
+ 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
+ };
+ 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)
+{
+ 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)),
+ ticks_per_sec, 33000000L);
+ if (next_time <= current_time)
+ next_time = current_time + 1;
+ return next_time;
+}
+
+
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