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1.1 root 1: /*
2: * QEMU AMD PC-Net II (Am79C970A) emulation
1.1.1.3 root 3: *
1.1 root 4: * Copyright (c) 2004 Antony T Curtis
1.1.1.3 root 5: *
1.1 root 6: * Permission is hereby granted, free of charge, to any person obtaining a copy
7: * of this software and associated documentation files (the "Software"), to deal
8: * in the Software without restriction, including without limitation the rights
9: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10: * copies of the Software, and to permit persons to whom the Software is
11: * furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included in
14: * all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22: * THE SOFTWARE.
23: */
1.1.1.3 root 24:
1.1 root 25: /* This software was written to be compatible with the specification:
26: * AMD Am79C970A PCnet-PCI II Ethernet Controller Data-Sheet
27: * AMD Publication# 19436 Rev:E Amendment/0 Issue Date: June 2000
28: */
1.1.1.3 root 29:
1.1.1.2 root 30: /*
31: * On Sparc32, this is the Lance (Am7990) part of chip STP2000 (Master I/O), also
32: * produced as NCR89C100. See
33: * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C100.txt
34: * and
35: * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt
36: */
37:
1.1.1.3 root 38: #include "pci.h"
39: #include "net.h"
1.1.1.8 ! root 40: #include "loader.h"
1.1.1.3 root 41: #include "qemu-timer.h"
1.1.1.4 root 42: #include "qemu_socket.h"
1.1 root 43:
1.1.1.8 ! root 44: #include "pcnet.h"
! 45:
1.1 root 46: //#define PCNET_DEBUG
47: //#define PCNET_DEBUG_IO
48: //#define PCNET_DEBUG_BCR
49: //#define PCNET_DEBUG_CSR
50: //#define PCNET_DEBUG_RMD
51: //#define PCNET_DEBUG_TMD
52: //#define PCNET_DEBUG_MATCH
53:
54:
1.1.1.6 root 55: typedef struct {
56: PCIDevice pci_dev;
57: PCNetState state;
58: } PCIPCNetState;
59:
1.1 root 60: struct qemu_ether_header {
61: uint8_t ether_dhost[6];
62: uint8_t ether_shost[6];
63: uint16_t ether_type;
64: };
65:
66: /* BUS CONFIGURATION REGISTERS */
67: #define BCR_MSRDA 0
68: #define BCR_MSWRA 1
69: #define BCR_MC 2
70: #define BCR_LNKST 4
71: #define BCR_LED1 5
72: #define BCR_LED2 6
73: #define BCR_LED3 7
74: #define BCR_FDC 9
75: #define BCR_BSBC 18
76: #define BCR_EECAS 19
77: #define BCR_SWS 20
78: #define BCR_PLAT 22
79:
80: #define BCR_DWIO(S) !!((S)->bcr[BCR_BSBC] & 0x0080)
81: #define BCR_SSIZE32(S) !!((S)->bcr[BCR_SWS ] & 0x0100)
82: #define BCR_SWSTYLE(S) ((S)->bcr[BCR_SWS ] & 0x00FF)
83:
84: #define CSR_INIT(S) !!(((S)->csr[0])&0x0001)
85: #define CSR_STRT(S) !!(((S)->csr[0])&0x0002)
86: #define CSR_STOP(S) !!(((S)->csr[0])&0x0004)
87: #define CSR_TDMD(S) !!(((S)->csr[0])&0x0008)
88: #define CSR_TXON(S) !!(((S)->csr[0])&0x0010)
89: #define CSR_RXON(S) !!(((S)->csr[0])&0x0020)
90: #define CSR_INEA(S) !!(((S)->csr[0])&0x0040)
1.1.1.2 root 91: #define CSR_BSWP(S) !!(((S)->csr[3])&0x0004)
1.1 root 92: #define CSR_LAPPEN(S) !!(((S)->csr[3])&0x0020)
93: #define CSR_DXSUFLO(S) !!(((S)->csr[3])&0x0040)
94: #define CSR_ASTRP_RCV(S) !!(((S)->csr[4])&0x0800)
95: #define CSR_DPOLL(S) !!(((S)->csr[4])&0x1000)
96: #define CSR_SPND(S) !!(((S)->csr[5])&0x0001)
97: #define CSR_LTINTEN(S) !!(((S)->csr[5])&0x4000)
98: #define CSR_TOKINTD(S) !!(((S)->csr[5])&0x8000)
99: #define CSR_DRX(S) !!(((S)->csr[15])&0x0001)
100: #define CSR_DTX(S) !!(((S)->csr[15])&0x0002)
101: #define CSR_LOOP(S) !!(((S)->csr[15])&0x0004)
1.1.1.4 root 102: #define CSR_DXMTFCS(S) !!(((S)->csr[15])&0x0008)
1.1 root 103: #define CSR_DRCVPA(S) !!(((S)->csr[15])&0x2000)
104: #define CSR_DRCVBC(S) !!(((S)->csr[15])&0x4000)
105: #define CSR_PROM(S) !!(((S)->csr[15])&0x8000)
106:
107: #define CSR_CRBC(S) ((S)->csr[40])
108: #define CSR_CRST(S) ((S)->csr[41])
109: #define CSR_CXBC(S) ((S)->csr[42])
110: #define CSR_CXST(S) ((S)->csr[43])
111: #define CSR_NRBC(S) ((S)->csr[44])
112: #define CSR_NRST(S) ((S)->csr[45])
113: #define CSR_POLL(S) ((S)->csr[46])
114: #define CSR_PINT(S) ((S)->csr[47])
115: #define CSR_RCVRC(S) ((S)->csr[72])
116: #define CSR_XMTRC(S) ((S)->csr[74])
117: #define CSR_RCVRL(S) ((S)->csr[76])
118: #define CSR_XMTRL(S) ((S)->csr[78])
119: #define CSR_MISSC(S) ((S)->csr[112])
120:
121: #define CSR_IADR(S) ((S)->csr[ 1] | ((S)->csr[ 2] << 16))
122: #define CSR_CRBA(S) ((S)->csr[18] | ((S)->csr[19] << 16))
123: #define CSR_CXBA(S) ((S)->csr[20] | ((S)->csr[21] << 16))
124: #define CSR_NRBA(S) ((S)->csr[22] | ((S)->csr[23] << 16))
125: #define CSR_BADR(S) ((S)->csr[24] | ((S)->csr[25] << 16))
126: #define CSR_NRDA(S) ((S)->csr[26] | ((S)->csr[27] << 16))
127: #define CSR_CRDA(S) ((S)->csr[28] | ((S)->csr[29] << 16))
128: #define CSR_BADX(S) ((S)->csr[30] | ((S)->csr[31] << 16))
129: #define CSR_NXDA(S) ((S)->csr[32] | ((S)->csr[33] << 16))
130: #define CSR_CXDA(S) ((S)->csr[34] | ((S)->csr[35] << 16))
131: #define CSR_NNRD(S) ((S)->csr[36] | ((S)->csr[37] << 16))
132: #define CSR_NNXD(S) ((S)->csr[38] | ((S)->csr[39] << 16))
133: #define CSR_PXDA(S) ((S)->csr[60] | ((S)->csr[61] << 16))
134: #define CSR_NXBA(S) ((S)->csr[64] | ((S)->csr[65] << 16))
135:
136: #define PHYSADDR(S,A) \
137: (BCR_SSIZE32(S) ? (A) : (A) | ((0xff00 & (uint32_t)(s)->csr[2])<<16))
138:
139: struct pcnet_initblk16 {
140: uint16_t mode;
1.1.1.2 root 141: uint16_t padr[3];
142: uint16_t ladrf[4];
143: uint32_t rdra;
144: uint32_t tdra;
1.1 root 145: };
146:
147: struct pcnet_initblk32 {
148: uint16_t mode;
1.1.1.2 root 149: uint8_t rlen;
150: uint8_t tlen;
151: uint16_t padr[3];
1.1 root 152: uint16_t _res;
1.1.1.2 root 153: uint16_t ladrf[4];
1.1 root 154: uint32_t rdra;
155: uint32_t tdra;
156: };
157:
158: struct pcnet_TMD {
1.1.1.3 root 159: uint32_t tbadr;
160: int16_t length;
161: int16_t status;
162: uint32_t misc;
163: uint32_t res;
1.1 root 164: };
165:
1.1.1.3 root 166: #define TMDL_BCNT_MASK 0x0fff
167: #define TMDL_BCNT_SH 0
168: #define TMDL_ONES_MASK 0xf000
169: #define TMDL_ONES_SH 12
170:
171: #define TMDS_BPE_MASK 0x0080
172: #define TMDS_BPE_SH 7
173: #define TMDS_ENP_MASK 0x0100
174: #define TMDS_ENP_SH 8
175: #define TMDS_STP_MASK 0x0200
176: #define TMDS_STP_SH 9
177: #define TMDS_DEF_MASK 0x0400
178: #define TMDS_DEF_SH 10
179: #define TMDS_ONE_MASK 0x0800
180: #define TMDS_ONE_SH 11
181: #define TMDS_LTINT_MASK 0x1000
182: #define TMDS_LTINT_SH 12
183: #define TMDS_NOFCS_MASK 0x2000
184: #define TMDS_NOFCS_SH 13
1.1.1.4 root 185: #define TMDS_ADDFCS_MASK TMDS_NOFCS_MASK
186: #define TMDS_ADDFCS_SH TMDS_NOFCS_SH
1.1.1.3 root 187: #define TMDS_ERR_MASK 0x4000
188: #define TMDS_ERR_SH 14
189: #define TMDS_OWN_MASK 0x8000
190: #define TMDS_OWN_SH 15
191:
192: #define TMDM_TRC_MASK 0x0000000f
193: #define TMDM_TRC_SH 0
194: #define TMDM_TDR_MASK 0x03ff0000
195: #define TMDM_TDR_SH 16
196: #define TMDM_RTRY_MASK 0x04000000
197: #define TMDM_RTRY_SH 26
198: #define TMDM_LCAR_MASK 0x08000000
199: #define TMDM_LCAR_SH 27
200: #define TMDM_LCOL_MASK 0x10000000
201: #define TMDM_LCOL_SH 28
202: #define TMDM_EXDEF_MASK 0x20000000
203: #define TMDM_EXDEF_SH 29
204: #define TMDM_UFLO_MASK 0x40000000
205: #define TMDM_UFLO_SH 30
206: #define TMDM_BUFF_MASK 0x80000000
207: #define TMDM_BUFF_SH 31
208:
1.1 root 209: struct pcnet_RMD {
1.1.1.3 root 210: uint32_t rbadr;
211: int16_t buf_length;
212: int16_t status;
213: uint32_t msg_length;
214: uint32_t res;
1.1 root 215: };
216:
1.1.1.3 root 217: #define RMDL_BCNT_MASK 0x0fff
218: #define RMDL_BCNT_SH 0
219: #define RMDL_ONES_MASK 0xf000
220: #define RMDL_ONES_SH 12
221:
222: #define RMDS_BAM_MASK 0x0010
223: #define RMDS_BAM_SH 4
224: #define RMDS_LFAM_MASK 0x0020
225: #define RMDS_LFAM_SH 5
226: #define RMDS_PAM_MASK 0x0040
227: #define RMDS_PAM_SH 6
228: #define RMDS_BPE_MASK 0x0080
229: #define RMDS_BPE_SH 7
230: #define RMDS_ENP_MASK 0x0100
231: #define RMDS_ENP_SH 8
232: #define RMDS_STP_MASK 0x0200
233: #define RMDS_STP_SH 9
234: #define RMDS_BUFF_MASK 0x0400
235: #define RMDS_BUFF_SH 10
236: #define RMDS_CRC_MASK 0x0800
237: #define RMDS_CRC_SH 11
238: #define RMDS_OFLO_MASK 0x1000
239: #define RMDS_OFLO_SH 12
240: #define RMDS_FRAM_MASK 0x2000
241: #define RMDS_FRAM_SH 13
242: #define RMDS_ERR_MASK 0x4000
243: #define RMDS_ERR_SH 14
244: #define RMDS_OWN_MASK 0x8000
245: #define RMDS_OWN_SH 15
246:
247: #define RMDM_MCNT_MASK 0x00000fff
248: #define RMDM_MCNT_SH 0
249: #define RMDM_ZEROS_MASK 0x0000f000
250: #define RMDM_ZEROS_SH 12
251: #define RMDM_RPC_MASK 0x00ff0000
252: #define RMDM_RPC_SH 16
253: #define RMDM_RCC_MASK 0xff000000
254: #define RMDM_RCC_SH 24
255:
256: #define SET_FIELD(regp, name, field, value) \
257: (*(regp) = (*(regp) & ~(name ## _ ## field ## _MASK)) \
258: | ((value) << name ## _ ## field ## _SH))
259:
260: #define GET_FIELD(reg, name, field) \
261: (((reg) & name ## _ ## field ## _MASK) >> name ## _ ## field ## _SH)
1.1 root 262:
1.1.1.3 root 263: #define PRINT_TMD(T) printf( \
264: "TMD0 : TBADR=0x%08x\n" \
1.1 root 265: "TMD1 : OWN=%d, ERR=%d, FCS=%d, LTI=%d, " \
266: "ONE=%d, DEF=%d, STP=%d, ENP=%d,\n" \
267: " BPE=%d, BCNT=%d\n" \
268: "TMD2 : BUF=%d, UFL=%d, EXD=%d, LCO=%d, " \
269: "LCA=%d, RTR=%d,\n" \
270: " TDR=%d, TRC=%d\n", \
1.1.1.3 root 271: (T)->tbadr, \
272: GET_FIELD((T)->status, TMDS, OWN), \
273: GET_FIELD((T)->status, TMDS, ERR), \
274: GET_FIELD((T)->status, TMDS, NOFCS), \
275: GET_FIELD((T)->status, TMDS, LTINT), \
276: GET_FIELD((T)->status, TMDS, ONE), \
277: GET_FIELD((T)->status, TMDS, DEF), \
278: GET_FIELD((T)->status, TMDS, STP), \
279: GET_FIELD((T)->status, TMDS, ENP), \
280: GET_FIELD((T)->status, TMDS, BPE), \
281: 4096-GET_FIELD((T)->length, TMDL, BCNT), \
282: GET_FIELD((T)->misc, TMDM, BUFF), \
283: GET_FIELD((T)->misc, TMDM, UFLO), \
284: GET_FIELD((T)->misc, TMDM, EXDEF), \
285: GET_FIELD((T)->misc, TMDM, LCOL), \
286: GET_FIELD((T)->misc, TMDM, LCAR), \
287: GET_FIELD((T)->misc, TMDM, RTRY), \
288: GET_FIELD((T)->misc, TMDM, TDR), \
289: GET_FIELD((T)->misc, TMDM, TRC))
1.1 root 290:
1.1.1.3 root 291: #define PRINT_RMD(R) printf( \
292: "RMD0 : RBADR=0x%08x\n" \
1.1 root 293: "RMD1 : OWN=%d, ERR=%d, FRAM=%d, OFLO=%d, " \
294: "CRC=%d, BUFF=%d, STP=%d, ENP=%d,\n " \
1.1.1.3 root 295: "BPE=%d, PAM=%d, LAFM=%d, BAM=%d, ONES=%d, BCNT=%d\n" \
1.1 root 296: "RMD2 : RCC=%d, RPC=%d, MCNT=%d, ZEROS=%d\n", \
1.1.1.3 root 297: (R)->rbadr, \
298: GET_FIELD((R)->status, RMDS, OWN), \
299: GET_FIELD((R)->status, RMDS, ERR), \
300: GET_FIELD((R)->status, RMDS, FRAM), \
301: GET_FIELD((R)->status, RMDS, OFLO), \
302: GET_FIELD((R)->status, RMDS, CRC), \
303: GET_FIELD((R)->status, RMDS, BUFF), \
304: GET_FIELD((R)->status, RMDS, STP), \
305: GET_FIELD((R)->status, RMDS, ENP), \
306: GET_FIELD((R)->status, RMDS, BPE), \
307: GET_FIELD((R)->status, RMDS, PAM), \
308: GET_FIELD((R)->status, RMDS, LFAM), \
309: GET_FIELD((R)->status, RMDS, BAM), \
310: GET_FIELD((R)->buf_length, RMDL, ONES), \
311: 4096-GET_FIELD((R)->buf_length, RMDL, BCNT), \
312: GET_FIELD((R)->msg_length, RMDM, RCC), \
313: GET_FIELD((R)->msg_length, RMDM, RPC), \
314: GET_FIELD((R)->msg_length, RMDM, MCNT), \
315: GET_FIELD((R)->msg_length, RMDM, ZEROS))
1.1 root 316:
1.1.1.3 root 317: static inline void pcnet_tmd_load(PCNetState *s, struct pcnet_TMD *tmd,
1.1.1.2 root 318: target_phys_addr_t addr)
1.1 root 319: {
1.1.1.3 root 320: if (!BCR_SSIZE32(s)) {
321: struct {
322: uint32_t tbadr;
323: int16_t length;
324: int16_t status;
325: } xda;
326: s->phys_mem_read(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
327: tmd->tbadr = le32_to_cpu(xda.tbadr) & 0xffffff;
328: tmd->length = le16_to_cpu(xda.length);
329: tmd->status = (le32_to_cpu(xda.tbadr) >> 16) & 0xff00;
330: tmd->misc = le16_to_cpu(xda.status) << 16;
331: tmd->res = 0;
1.1.1.2 root 332: } else {
1.1.1.3 root 333: s->phys_mem_read(s->dma_opaque, addr, (void *)tmd, sizeof(*tmd), 0);
334: le32_to_cpus(&tmd->tbadr);
335: le16_to_cpus((uint16_t *)&tmd->length);
336: le16_to_cpus((uint16_t *)&tmd->status);
337: le32_to_cpus(&tmd->misc);
338: le32_to_cpus(&tmd->res);
339: if (BCR_SWSTYLE(s) == 3) {
340: uint32_t tmp = tmd->tbadr;
341: tmd->tbadr = tmd->misc;
342: tmd->misc = tmp;
1.1.1.2 root 343: }
1.1 root 344: }
345: }
346:
1.1.1.3 root 347: static inline void pcnet_tmd_store(PCNetState *s, const struct pcnet_TMD *tmd,
1.1.1.2 root 348: target_phys_addr_t addr)
1.1 root 349: {
1.1.1.3 root 350: if (!BCR_SSIZE32(s)) {
351: struct {
352: uint32_t tbadr;
353: int16_t length;
354: int16_t status;
355: } xda;
356: xda.tbadr = cpu_to_le32((tmd->tbadr & 0xffffff) |
357: ((tmd->status & 0xff00) << 16));
358: xda.length = cpu_to_le16(tmd->length);
359: xda.status = cpu_to_le16(tmd->misc >> 16);
360: s->phys_mem_write(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
1.1.1.2 root 361: } else {
1.1.1.3 root 362: struct {
363: uint32_t tbadr;
364: int16_t length;
365: int16_t status;
366: uint32_t misc;
367: uint32_t res;
368: } xda;
369: xda.tbadr = cpu_to_le32(tmd->tbadr);
370: xda.length = cpu_to_le16(tmd->length);
371: xda.status = cpu_to_le16(tmd->status);
372: xda.misc = cpu_to_le32(tmd->misc);
373: xda.res = cpu_to_le32(tmd->res);
374: if (BCR_SWSTYLE(s) == 3) {
375: uint32_t tmp = xda.tbadr;
376: xda.tbadr = xda.misc;
377: xda.misc = tmp;
1.1 root 378: }
1.1.1.3 root 379: s->phys_mem_write(s->dma_opaque, addr, (void *)&xda, sizeof(xda), 0);
1.1 root 380: }
381: }
382:
1.1.1.3 root 383: static inline void pcnet_rmd_load(PCNetState *s, struct pcnet_RMD *rmd,
1.1.1.2 root 384: target_phys_addr_t addr)
1.1 root 385: {
1.1.1.3 root 386: if (!BCR_SSIZE32(s)) {
387: struct {
388: uint32_t rbadr;
389: int16_t buf_length;
390: int16_t msg_length;
391: } rda;
392: s->phys_mem_read(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
393: rmd->rbadr = le32_to_cpu(rda.rbadr) & 0xffffff;
394: rmd->buf_length = le16_to_cpu(rda.buf_length);
395: rmd->status = (le32_to_cpu(rda.rbadr) >> 16) & 0xff00;
396: rmd->msg_length = le16_to_cpu(rda.msg_length);
397: rmd->res = 0;
1.1.1.2 root 398: } else {
1.1.1.3 root 399: s->phys_mem_read(s->dma_opaque, addr, (void *)rmd, sizeof(*rmd), 0);
400: le32_to_cpus(&rmd->rbadr);
401: le16_to_cpus((uint16_t *)&rmd->buf_length);
402: le16_to_cpus((uint16_t *)&rmd->status);
403: le32_to_cpus(&rmd->msg_length);
404: le32_to_cpus(&rmd->res);
405: if (BCR_SWSTYLE(s) == 3) {
406: uint32_t tmp = rmd->rbadr;
407: rmd->rbadr = rmd->msg_length;
408: rmd->msg_length = tmp;
1.1.1.2 root 409: }
1.1 root 410: }
411: }
412:
1.1.1.3 root 413: static inline void pcnet_rmd_store(PCNetState *s, struct pcnet_RMD *rmd,
1.1.1.2 root 414: target_phys_addr_t addr)
1.1 root 415: {
1.1.1.3 root 416: if (!BCR_SSIZE32(s)) {
417: struct {
418: uint32_t rbadr;
419: int16_t buf_length;
420: int16_t msg_length;
421: } rda;
422: rda.rbadr = cpu_to_le32((rmd->rbadr & 0xffffff) |
423: ((rmd->status & 0xff00) << 16));
424: rda.buf_length = cpu_to_le16(rmd->buf_length);
425: rda.msg_length = cpu_to_le16(rmd->msg_length);
426: s->phys_mem_write(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
1.1.1.2 root 427: } else {
1.1.1.3 root 428: struct {
429: uint32_t rbadr;
430: int16_t buf_length;
431: int16_t status;
432: uint32_t msg_length;
433: uint32_t res;
434: } rda;
435: rda.rbadr = cpu_to_le32(rmd->rbadr);
436: rda.buf_length = cpu_to_le16(rmd->buf_length);
437: rda.status = cpu_to_le16(rmd->status);
438: rda.msg_length = cpu_to_le32(rmd->msg_length);
439: rda.res = cpu_to_le32(rmd->res);
440: if (BCR_SWSTYLE(s) == 3) {
441: uint32_t tmp = rda.rbadr;
442: rda.rbadr = rda.msg_length;
443: rda.msg_length = tmp;
1.1 root 444: }
1.1.1.3 root 445: s->phys_mem_write(s->dma_opaque, addr, (void *)&rda, sizeof(rda), 0);
1.1 root 446: }
447: }
448:
449:
450: #define TMDLOAD(TMD,ADDR) pcnet_tmd_load(s,TMD,ADDR)
451:
452: #define TMDSTORE(TMD,ADDR) pcnet_tmd_store(s,TMD,ADDR)
453:
454: #define RMDLOAD(RMD,ADDR) pcnet_rmd_load(s,RMD,ADDR)
455:
456: #define RMDSTORE(RMD,ADDR) pcnet_rmd_store(s,RMD,ADDR)
457:
458: #if 1
459:
460: #define CHECK_RMD(ADDR,RES) do { \
461: struct pcnet_RMD rmd; \
462: RMDLOAD(&rmd,(ADDR)); \
1.1.1.3 root 463: (RES) |= (GET_FIELD(rmd.buf_length, RMDL, ONES) != 15) \
464: || (GET_FIELD(rmd.msg_length, RMDM, ZEROS) != 0); \
1.1 root 465: } while (0)
466:
467: #define CHECK_TMD(ADDR,RES) do { \
468: struct pcnet_TMD tmd; \
469: TMDLOAD(&tmd,(ADDR)); \
1.1.1.3 root 470: (RES) |= (GET_FIELD(tmd.length, TMDL, ONES) != 15); \
1.1 root 471: } while (0)
472:
473: #else
474:
475: #define CHECK_RMD(ADDR,RES) do { \
476: switch (BCR_SWSTYLE(s)) { \
477: case 0x00: \
478: do { \
479: uint16_t rda[4]; \
1.1.1.3 root 480: s->phys_mem_read(s->dma_opaque, (ADDR), \
481: (void *)&rda[0], sizeof(rda), 0); \
1.1 root 482: (RES) |= (rda[2] & 0xf000)!=0xf000; \
483: (RES) |= (rda[3] & 0xf000)!=0x0000; \
484: } while (0); \
485: break; \
486: case 0x01: \
487: case 0x02: \
488: do { \
489: uint32_t rda[4]; \
1.1.1.3 root 490: s->phys_mem_read(s->dma_opaque, (ADDR), \
1.1.1.2 root 491: (void *)&rda[0], sizeof(rda), 0); \
1.1 root 492: (RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
493: (RES) |= (rda[2] & 0x0000f000L)!=0x00000000L; \
494: } while (0); \
495: break; \
496: case 0x03: \
497: do { \
498: uint32_t rda[4]; \
1.1.1.3 root 499: s->phys_mem_read(s->dma_opaque, (ADDR), \
1.1.1.2 root 500: (void *)&rda[0], sizeof(rda), 0); \
1.1 root 501: (RES) |= (rda[0] & 0x0000f000L)!=0x00000000L; \
502: (RES) |= (rda[1] & 0x0000f000L)!=0x0000f000L; \
503: } while (0); \
504: break; \
505: } \
506: } while (0)
507:
508: #define CHECK_TMD(ADDR,RES) do { \
509: switch (BCR_SWSTYLE(s)) { \
510: case 0x00: \
511: do { \
512: uint16_t xda[4]; \
1.1.1.3 root 513: s->phys_mem_read(s->dma_opaque, (ADDR), \
514: (void *)&xda[0], sizeof(xda), 0); \
515: (RES) |= (xda[2] & 0xf000)!=0xf000; \
1.1 root 516: } while (0); \
517: break; \
518: case 0x01: \
519: case 0x02: \
520: case 0x03: \
521: do { \
522: uint32_t xda[4]; \
1.1.1.3 root 523: s->phys_mem_read(s->dma_opaque, (ADDR), \
524: (void *)&xda[0], sizeof(xda), 0); \
1.1 root 525: (RES) |= (xda[1] & 0x0000f000L)!=0x0000f000L; \
526: } while (0); \
527: break; \
528: } \
529: } while (0)
530:
531: #endif
532:
533: #define PRINT_PKTHDR(BUF) do { \
1.1.1.3 root 534: struct qemu_ether_header *hdr = (void *)(BUF); \
535: printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, " \
536: "shost=%02x:%02x:%02x:%02x:%02x:%02x, " \
537: "type=0x%04x\n", \
1.1 root 538: hdr->ether_dhost[0],hdr->ether_dhost[1],hdr->ether_dhost[2], \
539: hdr->ether_dhost[3],hdr->ether_dhost[4],hdr->ether_dhost[5], \
540: hdr->ether_shost[0],hdr->ether_shost[1],hdr->ether_shost[2], \
541: hdr->ether_shost[3],hdr->ether_shost[4],hdr->ether_shost[5], \
1.1.1.3 root 542: be16_to_cpu(hdr->ether_type)); \
1.1 root 543: } while (0)
544:
545: #define MULTICAST_FILTER_LEN 8
546:
547: static inline uint32_t lnc_mchash(const uint8_t *ether_addr)
548: {
549: #define LNC_POLYNOMIAL 0xEDB88320UL
550: uint32_t crc = 0xFFFFFFFF;
551: int idx, bit;
552: uint8_t data;
553:
554: for (idx = 0; idx < 6; idx++) {
555: for (data = *ether_addr++, bit = 0; bit < MULTICAST_FILTER_LEN; bit++) {
556: crc = (crc >> 1) ^ (((crc ^ data) & 1) ? LNC_POLYNOMIAL : 0);
557: data >>= 1;
558: }
559: }
560: return crc;
561: #undef LNC_POLYNOMIAL
562: }
563:
564: #define CRC(crc, ch) (crc = (crc >> 8) ^ crctab[(crc ^ (ch)) & 0xff])
565:
566: /* generated using the AUTODIN II polynomial
567: * x^32 + x^26 + x^23 + x^22 + x^16 +
568: * x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + 1
569: */
570: static const uint32_t crctab[256] = {
571: 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
572: 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
573: 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
574: 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
575: 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
576: 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
577: 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
578: 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
579: 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
580: 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
581: 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
582: 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
583: 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
584: 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
585: 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
586: 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
587: 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
588: 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
589: 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
590: 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
591: 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
592: 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
593: 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
594: 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
595: 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
596: 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
597: 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
598: 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
599: 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
600: 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
601: 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
602: 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
603: 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
604: 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
605: 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
606: 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
607: 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
608: 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
609: 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
610: 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
611: 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
612: 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
613: 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
614: 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
615: 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
616: 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
617: 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
618: 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
619: 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
620: 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
621: 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
622: 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
623: 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
624: 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
625: 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
626: 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
627: 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
628: 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
629: 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
630: 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
631: 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
632: 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
633: 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
634: 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
635: };
636:
637: static inline int padr_match(PCNetState *s, const uint8_t *buf, int size)
638: {
639: struct qemu_ether_header *hdr = (void *)buf;
1.1.1.3 root 640: uint8_t padr[6] = {
1.1 root 641: s->csr[12] & 0xff, s->csr[12] >> 8,
642: s->csr[13] & 0xff, s->csr[13] >> 8,
1.1.1.3 root 643: s->csr[14] & 0xff, s->csr[14] >> 8
1.1 root 644: };
645: int result = (!CSR_DRCVPA(s)) && !memcmp(hdr->ether_dhost, padr, 6);
646: #ifdef PCNET_DEBUG_MATCH
647: printf("packet dhost=%02x:%02x:%02x:%02x:%02x:%02x, "
648: "padr=%02x:%02x:%02x:%02x:%02x:%02x\n",
649: hdr->ether_dhost[0],hdr->ether_dhost[1],hdr->ether_dhost[2],
650: hdr->ether_dhost[3],hdr->ether_dhost[4],hdr->ether_dhost[5],
651: padr[0],padr[1],padr[2],padr[3],padr[4],padr[5]);
652: printf("padr_match result=%d\n", result);
653: #endif
654: return result;
655: }
656:
657: static inline int padr_bcast(PCNetState *s, const uint8_t *buf, int size)
658: {
1.1.1.2 root 659: static const uint8_t BCAST[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1.1 root 660: struct qemu_ether_header *hdr = (void *)buf;
661: int result = !CSR_DRCVBC(s) && !memcmp(hdr->ether_dhost, BCAST, 6);
662: #ifdef PCNET_DEBUG_MATCH
663: printf("padr_bcast result=%d\n", result);
664: #endif
665: return result;
666: }
667:
668: static inline int ladr_match(PCNetState *s, const uint8_t *buf, int size)
669: {
670: struct qemu_ether_header *hdr = (void *)buf;
1.1.1.3 root 671: if ((*(hdr->ether_dhost)&0x01) &&
1.1 root 672: ((uint64_t *)&s->csr[8])[0] != 0LL) {
1.1.1.3 root 673: uint8_t ladr[8] = {
1.1 root 674: s->csr[8] & 0xff, s->csr[8] >> 8,
675: s->csr[9] & 0xff, s->csr[9] >> 8,
1.1.1.3 root 676: s->csr[10] & 0xff, s->csr[10] >> 8,
677: s->csr[11] & 0xff, s->csr[11] >> 8
1.1 root 678: };
679: int index = lnc_mchash(hdr->ether_dhost) >> 26;
680: return !!(ladr[index >> 3] & (1 << (index & 7)));
681: }
682: return 0;
683: }
684:
1.1.1.3 root 685: static inline target_phys_addr_t pcnet_rdra_addr(PCNetState *s, int idx)
1.1 root 686: {
687: while (idx < 1) idx += CSR_RCVRL(s);
688: return s->rdra + ((CSR_RCVRL(s) - idx) * (BCR_SWSTYLE(s) ? 16 : 8));
689: }
690:
691: static inline int64_t pcnet_get_next_poll_time(PCNetState *s, int64_t current_time)
692: {
1.1.1.3 root 693: int64_t next_time = current_time +
694: muldiv64(65536 - (CSR_SPND(s) ? 0 : CSR_POLL(s)),
1.1.1.8 ! root 695: get_ticks_per_sec(), 33000000L);
1.1 root 696: if (next_time <= current_time)
697: next_time = current_time + 1;
698: return next_time;
699: }
700:
701: static void pcnet_poll(PCNetState *s);
702: static void pcnet_poll_timer(void *opaque);
703:
704: static uint32_t pcnet_csr_readw(PCNetState *s, uint32_t rap);
705: static void pcnet_csr_writew(PCNetState *s, uint32_t rap, uint32_t new_value);
706: static void pcnet_bcr_writew(PCNetState *s, uint32_t rap, uint32_t val);
707: static uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap);
708:
709: static void pcnet_s_reset(PCNetState *s)
710: {
711: #ifdef PCNET_DEBUG
712: printf("pcnet_s_reset\n");
713: #endif
714:
715: s->lnkst = 0x40;
716: s->rdra = 0;
717: s->tdra = 0;
718: s->rap = 0;
1.1.1.3 root 719:
1.1 root 720: s->bcr[BCR_BSBC] &= ~0x0080;
721:
722: s->csr[0] = 0x0004;
723: s->csr[3] = 0x0000;
724: s->csr[4] = 0x0115;
725: s->csr[5] = 0x0000;
726: s->csr[6] = 0x0000;
727: s->csr[8] = 0;
728: s->csr[9] = 0;
729: s->csr[10] = 0;
730: s->csr[11] = 0;
731: s->csr[12] = le16_to_cpu(((uint16_t *)&s->prom[0])[0]);
732: s->csr[13] = le16_to_cpu(((uint16_t *)&s->prom[0])[1]);
733: s->csr[14] = le16_to_cpu(((uint16_t *)&s->prom[0])[2]);
734: s->csr[15] &= 0x21c4;
735: s->csr[72] = 1;
736: s->csr[74] = 1;
737: s->csr[76] = 1;
738: s->csr[78] = 1;
739: s->csr[80] = 0x1410;
740: s->csr[88] = 0x1003;
741: s->csr[89] = 0x0262;
742: s->csr[94] = 0x0000;
743: s->csr[100] = 0x0200;
744: s->csr[103] = 0x0105;
745: s->csr[103] = 0x0105;
746: s->csr[112] = 0x0000;
747: s->csr[114] = 0x0000;
748: s->csr[122] = 0x0000;
749: s->csr[124] = 0x0000;
750:
751: s->tx_busy = 0;
752: }
753:
754: static void pcnet_update_irq(PCNetState *s)
755: {
756: int isr = 0;
757: s->csr[0] &= ~0x0080;
1.1.1.3 root 758:
1.1 root 759: #if 1
760: if (((s->csr[0] & ~s->csr[3]) & 0x5f00) ||
761: (((s->csr[4]>>1) & ~s->csr[4]) & 0x0115) ||
762: (((s->csr[5]>>1) & s->csr[5]) & 0x0048))
763: #else
764: if ((!(s->csr[3] & 0x4000) && !!(s->csr[0] & 0x4000)) /* BABL */ ||
765: (!(s->csr[3] & 0x1000) && !!(s->csr[0] & 0x1000)) /* MISS */ ||
766: (!(s->csr[3] & 0x0100) && !!(s->csr[0] & 0x0100)) /* IDON */ ||
767: (!(s->csr[3] & 0x0200) && !!(s->csr[0] & 0x0200)) /* TINT */ ||
768: (!(s->csr[3] & 0x0400) && !!(s->csr[0] & 0x0400)) /* RINT */ ||
769: (!(s->csr[3] & 0x0800) && !!(s->csr[0] & 0x0800)) /* MERR */ ||
770: (!(s->csr[4] & 0x0001) && !!(s->csr[4] & 0x0002)) /* JAB */ ||
771: (!(s->csr[4] & 0x0004) && !!(s->csr[4] & 0x0008)) /* TXSTRT */ ||
772: (!(s->csr[4] & 0x0010) && !!(s->csr[4] & 0x0020)) /* RCVO */ ||
773: (!(s->csr[4] & 0x0100) && !!(s->csr[4] & 0x0200)) /* MFCO */ ||
774: (!!(s->csr[5] & 0x0040) && !!(s->csr[5] & 0x0080)) /* EXDINT */ ||
775: (!!(s->csr[5] & 0x0008) && !!(s->csr[5] & 0x0010)) /* MPINT */)
776: #endif
777: {
1.1.1.3 root 778:
1.1 root 779: isr = CSR_INEA(s);
780: s->csr[0] |= 0x0080;
781: }
1.1.1.3 root 782:
1.1 root 783: if (!!(s->csr[4] & 0x0080) && CSR_INEA(s)) { /* UINT */
784: s->csr[4] &= ~0x0080;
785: s->csr[4] |= 0x0040;
786: s->csr[0] |= 0x0080;
787: isr = 1;
788: #ifdef PCNET_DEBUG
789: printf("pcnet user int\n");
790: #endif
791: }
792:
793: #if 1
1.1.1.3 root 794: if (((s->csr[5]>>1) & s->csr[5]) & 0x0500)
1.1 root 795: #else
796: if ((!!(s->csr[5] & 0x0400) && !!(s->csr[5] & 0x0800)) /* SINT */ ||
797: (!!(s->csr[5] & 0x0100) && !!(s->csr[5] & 0x0200)) /* SLPINT */ )
798: #endif
799: {
800: isr = 1;
801: s->csr[0] |= 0x0080;
802: }
803:
804: if (isr != s->isr) {
805: #ifdef PCNET_DEBUG
806: printf("pcnet: INTA=%d\n", isr);
807: #endif
808: }
1.1.1.3 root 809: qemu_set_irq(s->irq, isr);
1.1.1.2 root 810: s->isr = isr;
1.1 root 811: }
812:
813: static void pcnet_init(PCNetState *s)
814: {
1.1.1.2 root 815: int rlen, tlen;
1.1.1.3 root 816: uint16_t padr[3], ladrf[4], mode;
1.1.1.2 root 817: uint32_t rdra, tdra;
818:
1.1 root 819: #ifdef PCNET_DEBUG
820: printf("pcnet_init init_addr=0x%08x\n", PHYSADDR(s,CSR_IADR(s)));
821: #endif
1.1.1.3 root 822:
1.1 root 823: if (BCR_SSIZE32(s)) {
824: struct pcnet_initblk32 initblk;
1.1.1.2 root 825: s->phys_mem_read(s->dma_opaque, PHYSADDR(s,CSR_IADR(s)),
826: (uint8_t *)&initblk, sizeof(initblk), 0);
1.1.1.3 root 827: mode = le16_to_cpu(initblk.mode);
1.1.1.2 root 828: rlen = initblk.rlen >> 4;
829: tlen = initblk.tlen >> 4;
1.1.1.3 root 830: ladrf[0] = le16_to_cpu(initblk.ladrf[0]);
831: ladrf[1] = le16_to_cpu(initblk.ladrf[1]);
832: ladrf[2] = le16_to_cpu(initblk.ladrf[2]);
833: ladrf[3] = le16_to_cpu(initblk.ladrf[3]);
834: padr[0] = le16_to_cpu(initblk.padr[0]);
835: padr[1] = le16_to_cpu(initblk.padr[1]);
836: padr[2] = le16_to_cpu(initblk.padr[2]);
1.1.1.2 root 837: rdra = le32_to_cpu(initblk.rdra);
838: tdra = le32_to_cpu(initblk.tdra);
1.1 root 839: } else {
840: struct pcnet_initblk16 initblk;
1.1.1.2 root 841: s->phys_mem_read(s->dma_opaque, PHYSADDR(s,CSR_IADR(s)),
842: (uint8_t *)&initblk, sizeof(initblk), 0);
1.1.1.3 root 843: mode = le16_to_cpu(initblk.mode);
844: ladrf[0] = le16_to_cpu(initblk.ladrf[0]);
845: ladrf[1] = le16_to_cpu(initblk.ladrf[1]);
846: ladrf[2] = le16_to_cpu(initblk.ladrf[2]);
847: ladrf[3] = le16_to_cpu(initblk.ladrf[3]);
848: padr[0] = le16_to_cpu(initblk.padr[0]);
849: padr[1] = le16_to_cpu(initblk.padr[1]);
850: padr[2] = le16_to_cpu(initblk.padr[2]);
1.1.1.2 root 851: rdra = le32_to_cpu(initblk.rdra);
852: tdra = le32_to_cpu(initblk.tdra);
853: rlen = rdra >> 29;
854: tlen = tdra >> 29;
855: rdra &= 0x00ffffff;
856: tdra &= 0x00ffffff;
1.1 root 857: }
1.1.1.3 root 858:
1.1.1.2 root 859: #if defined(PCNET_DEBUG)
1.1.1.3 root 860: printf("rlen=%d tlen=%d\n", rlen, tlen);
1.1.1.2 root 861: #endif
1.1.1.3 root 862:
1.1.1.2 root 863: CSR_RCVRL(s) = (rlen < 9) ? (1 << rlen) : 512;
864: CSR_XMTRL(s) = (tlen < 9) ? (1 << tlen) : 512;
865: s->csr[ 6] = (tlen << 12) | (rlen << 8);
1.1.1.3 root 866: s->csr[15] = mode;
867: s->csr[ 8] = ladrf[0];
868: s->csr[ 9] = ladrf[1];
869: s->csr[10] = ladrf[2];
870: s->csr[11] = ladrf[3];
871: s->csr[12] = padr[0];
872: s->csr[13] = padr[1];
873: s->csr[14] = padr[2];
1.1.1.2 root 874: s->rdra = PHYSADDR(s, rdra);
875: s->tdra = PHYSADDR(s, tdra);
1.1 root 876:
877: CSR_RCVRC(s) = CSR_RCVRL(s);
878: CSR_XMTRC(s) = CSR_XMTRL(s);
879:
880: #ifdef PCNET_DEBUG
1.1.1.3 root 881: printf("pcnet ss32=%d rdra=0x%08x[%d] tdra=0x%08x[%d]\n",
1.1 root 882: BCR_SSIZE32(s),
883: s->rdra, CSR_RCVRL(s), s->tdra, CSR_XMTRL(s));
884: #endif
885:
1.1.1.3 root 886: s->csr[0] |= 0x0101;
1.1 root 887: s->csr[0] &= ~0x0004; /* clear STOP bit */
888: }
889:
890: static void pcnet_start(PCNetState *s)
891: {
892: #ifdef PCNET_DEBUG
893: printf("pcnet_start\n");
894: #endif
895:
896: if (!CSR_DTX(s))
897: s->csr[0] |= 0x0010; /* set TXON */
1.1.1.3 root 898:
1.1 root 899: if (!CSR_DRX(s))
900: s->csr[0] |= 0x0020; /* set RXON */
901:
902: s->csr[0] &= ~0x0004; /* clear STOP bit */
903: s->csr[0] |= 0x0002;
1.1.1.7 root 904: pcnet_poll_timer(s);
1.1 root 905: }
906:
907: static void pcnet_stop(PCNetState *s)
908: {
909: #ifdef PCNET_DEBUG
910: printf("pcnet_stop\n");
911: #endif
912: s->csr[0] &= ~0x7feb;
913: s->csr[0] |= 0x0014;
914: s->csr[4] &= ~0x02c2;
915: s->csr[5] &= ~0x0011;
916: pcnet_poll_timer(s);
917: }
918:
919: static void pcnet_rdte_poll(PCNetState *s)
920: {
921: s->csr[28] = s->csr[29] = 0;
922: if (s->rdra) {
923: int bad = 0;
924: #if 1
925: target_phys_addr_t crda = pcnet_rdra_addr(s, CSR_RCVRC(s));
926: target_phys_addr_t nrda = pcnet_rdra_addr(s, -1 + CSR_RCVRC(s));
927: target_phys_addr_t nnrd = pcnet_rdra_addr(s, -2 + CSR_RCVRC(s));
928: #else
1.1.1.3 root 929: target_phys_addr_t crda = s->rdra +
1.1 root 930: (CSR_RCVRL(s) - CSR_RCVRC(s)) *
931: (BCR_SWSTYLE(s) ? 16 : 8 );
932: int nrdc = CSR_RCVRC(s)<=1 ? CSR_RCVRL(s) : CSR_RCVRC(s)-1;
1.1.1.3 root 933: target_phys_addr_t nrda = s->rdra +
1.1 root 934: (CSR_RCVRL(s) - nrdc) *
935: (BCR_SWSTYLE(s) ? 16 : 8 );
936: int nnrc = nrdc<=1 ? CSR_RCVRL(s) : nrdc-1;
1.1.1.3 root 937: target_phys_addr_t nnrd = s->rdra +
1.1 root 938: (CSR_RCVRL(s) - nnrc) *
939: (BCR_SWSTYLE(s) ? 16 : 8 );
940: #endif
941:
1.1.1.6 root 942: CHECK_RMD(crda, bad);
1.1 root 943: if (!bad) {
1.1.1.6 root 944: CHECK_RMD(nrda, bad);
1.1 root 945: if (bad || (nrda == crda)) nrda = 0;
1.1.1.6 root 946: CHECK_RMD(nnrd, bad);
1.1 root 947: if (bad || (nnrd == crda)) nnrd = 0;
948:
949: s->csr[28] = crda & 0xffff;
950: s->csr[29] = crda >> 16;
951: s->csr[26] = nrda & 0xffff;
952: s->csr[27] = nrda >> 16;
953: s->csr[36] = nnrd & 0xffff;
954: s->csr[37] = nnrd >> 16;
955: #ifdef PCNET_DEBUG
956: if (bad) {
1.1.1.4 root 957: printf("pcnet: BAD RMD RECORDS AFTER 0x" TARGET_FMT_plx "\n",
1.1.1.6 root 958: crda);
1.1 root 959: }
960: } else {
1.1.1.4 root 961: printf("pcnet: BAD RMD RDA=0x" TARGET_FMT_plx "\n",
1.1.1.6 root 962: crda);
1.1 root 963: #endif
964: }
965: }
1.1.1.3 root 966:
1.1 root 967: if (CSR_CRDA(s)) {
968: struct pcnet_RMD rmd;
969: RMDLOAD(&rmd, PHYSADDR(s,CSR_CRDA(s)));
1.1.1.3 root 970: CSR_CRBC(s) = GET_FIELD(rmd.buf_length, RMDL, BCNT);
971: CSR_CRST(s) = rmd.status;
1.1 root 972: #ifdef PCNET_DEBUG_RMD_X
1.1.1.3 root 973: printf("CRDA=0x%08x CRST=0x%04x RCVRC=%d RMDL=0x%04x RMDS=0x%04x RMDM=0x%08x\n",
1.1 root 974: PHYSADDR(s,CSR_CRDA(s)), CSR_CRST(s), CSR_RCVRC(s),
1.1.1.3 root 975: rmd.buf_length, rmd.status, rmd.msg_length);
1.1 root 976: PRINT_RMD(&rmd);
977: #endif
978: } else {
979: CSR_CRBC(s) = CSR_CRST(s) = 0;
980: }
1.1.1.3 root 981:
1.1 root 982: if (CSR_NRDA(s)) {
983: struct pcnet_RMD rmd;
984: RMDLOAD(&rmd, PHYSADDR(s,CSR_NRDA(s)));
1.1.1.3 root 985: CSR_NRBC(s) = GET_FIELD(rmd.buf_length, RMDL, BCNT);
986: CSR_NRST(s) = rmd.status;
1.1 root 987: } else {
988: CSR_NRBC(s) = CSR_NRST(s) = 0;
989: }
990:
991: }
992:
993: static int pcnet_tdte_poll(PCNetState *s)
994: {
995: s->csr[34] = s->csr[35] = 0;
996: if (s->tdra) {
1.1.1.3 root 997: target_phys_addr_t cxda = s->tdra +
1.1 root 998: (CSR_XMTRL(s) - CSR_XMTRC(s)) *
1.1.1.3 root 999: (BCR_SWSTYLE(s) ? 16 : 8);
1.1 root 1000: int bad = 0;
1.1.1.6 root 1001: CHECK_TMD(cxda, bad);
1.1 root 1002: if (!bad) {
1003: if (CSR_CXDA(s) != cxda) {
1004: s->csr[60] = s->csr[34];
1005: s->csr[61] = s->csr[35];
1006: s->csr[62] = CSR_CXBC(s);
1007: s->csr[63] = CSR_CXST(s);
1008: }
1009: s->csr[34] = cxda & 0xffff;
1010: s->csr[35] = cxda >> 16;
1.1.1.3 root 1011: #ifdef PCNET_DEBUG_X
1.1.1.6 root 1012: printf("pcnet: BAD TMD XDA=0x%08x\n", cxda);
1.1 root 1013: #endif
1014: }
1015: }
1016:
1017: if (CSR_CXDA(s)) {
1018: struct pcnet_TMD tmd;
1019:
1.1.1.3 root 1020: TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
1.1 root 1021:
1.1.1.3 root 1022: CSR_CXBC(s) = GET_FIELD(tmd.length, TMDL, BCNT);
1023: CSR_CXST(s) = tmd.status;
1.1 root 1024: } else {
1025: CSR_CXBC(s) = CSR_CXST(s) = 0;
1026: }
1.1.1.3 root 1027:
1.1 root 1028: return !!(CSR_CXST(s) & 0x8000);
1029: }
1030:
1.1.1.8 ! root 1031: int pcnet_can_receive(VLANClientState *nc)
1.1 root 1032: {
1.1.1.8 ! root 1033: PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1.1 root 1034: if (CSR_STOP(s) || CSR_SPND(s))
1035: return 0;
1.1.1.3 root 1036:
1.1 root 1037: return sizeof(s->buffer)-16;
1038: }
1039:
1040: #define MIN_BUF_SIZE 60
1041:
1.1.1.8 ! root 1042: ssize_t pcnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size_)
1.1 root 1043: {
1.1.1.8 ! root 1044: PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1.1 root 1045: int is_padr = 0, is_bcast = 0, is_ladr = 0;
1046: uint8_t buf1[60];
1.1.1.4 root 1047: int remaining;
1048: int crc_err = 0;
1.1.1.6 root 1049: int size = size_;
1.1 root 1050:
1051: if (CSR_DRX(s) || CSR_STOP(s) || CSR_SPND(s) || !size)
1.1.1.6 root 1052: return -1;
1.1 root 1053:
1054: #ifdef PCNET_DEBUG
1055: printf("pcnet_receive size=%d\n", size);
1056: #endif
1057:
1058: /* if too small buffer, then expand it */
1059: if (size < MIN_BUF_SIZE) {
1060: memcpy(buf1, buf, size);
1061: memset(buf1 + size, 0, MIN_BUF_SIZE - size);
1062: buf = buf1;
1063: size = MIN_BUF_SIZE;
1064: }
1065:
1.1.1.3 root 1066: if (CSR_PROM(s)
1067: || (is_padr=padr_match(s, buf, size))
1.1 root 1068: || (is_bcast=padr_bcast(s, buf, size))
1069: || (is_ladr=ladr_match(s, buf, size))) {
1070:
1071: pcnet_rdte_poll(s);
1072:
1073: if (!(CSR_CRST(s) & 0x8000) && s->rdra) {
1074: struct pcnet_RMD rmd;
1075: int rcvrc = CSR_RCVRC(s)-1,i;
1076: target_phys_addr_t nrda;
1077: for (i = CSR_RCVRL(s)-1; i > 0; i--, rcvrc--) {
1078: if (rcvrc <= 1)
1079: rcvrc = CSR_RCVRL(s);
1080: nrda = s->rdra +
1081: (CSR_RCVRL(s) - rcvrc) *
1082: (BCR_SWSTYLE(s) ? 16 : 8 );
1.1.1.6 root 1083: RMDLOAD(&rmd, nrda);
1.1.1.3 root 1084: if (GET_FIELD(rmd.status, RMDS, OWN)) {
1.1 root 1085: #ifdef PCNET_DEBUG_RMD
1.1.1.3 root 1086: printf("pcnet - scan buffer: RCVRC=%d PREV_RCVRC=%d\n",
1.1 root 1087: rcvrc, CSR_RCVRC(s));
1088: #endif
1089: CSR_RCVRC(s) = rcvrc;
1090: pcnet_rdte_poll(s);
1091: break;
1092: }
1093: }
1094: }
1095:
1096: if (!(CSR_CRST(s) & 0x8000)) {
1097: #ifdef PCNET_DEBUG_RMD
1098: printf("pcnet - no buffer: RCVRC=%d\n", CSR_RCVRC(s));
1099: #endif
1100: s->csr[0] |= 0x1000; /* Set MISS flag */
1101: CSR_MISSC(s)++;
1102: } else {
1.1.1.4 root 1103: uint8_t *src = s->buffer;
1.1 root 1104: target_phys_addr_t crda = CSR_CRDA(s);
1105: struct pcnet_RMD rmd;
1106: int pktcount = 0;
1107:
1.1.1.4 root 1108: if (!s->looptest) {
1109: memcpy(src, buf, size);
1110: /* no need to compute the CRC */
1111: src[size] = 0;
1112: src[size + 1] = 0;
1113: src[size + 2] = 0;
1114: src[size + 3] = 0;
1115: size += 4;
1116: } else if (s->looptest == PCNET_LOOPTEST_CRC ||
1117: !CSR_DXMTFCS(s) || size < MIN_BUF_SIZE+4) {
1.1 root 1118: uint32_t fcs = ~0;
1119: uint8_t *p = src;
1120:
1.1.1.4 root 1121: while (p != &src[size])
1122: CRC(fcs, *p++);
1123: *(uint32_t *)p = htonl(fcs);
1124: size += 4;
1125: } else {
1126: uint32_t fcs = ~0;
1127: uint8_t *p = src;
1.1.1.3 root 1128:
1.1.1.4 root 1129: while (p != &src[size-4])
1.1 root 1130: CRC(fcs, *p++);
1.1.1.4 root 1131: crc_err = (*(uint32_t *)p != htonl(fcs));
1132: }
1.1 root 1133:
1134: #ifdef PCNET_DEBUG_MATCH
1135: PRINT_PKTHDR(buf);
1136: #endif
1137:
1138: RMDLOAD(&rmd, PHYSADDR(s,crda));
1139: /*if (!CSR_LAPPEN(s))*/
1.1.1.3 root 1140: SET_FIELD(&rmd.status, RMDS, STP, 1);
1.1 root 1141:
1142: #define PCNET_RECV_STORE() do { \
1.1.1.4 root 1143: int count = MIN(4096 - GET_FIELD(rmd.buf_length, RMDL, BCNT),remaining); \
1.1.1.3 root 1144: target_phys_addr_t rbadr = PHYSADDR(s, rmd.rbadr); \
1145: s->phys_mem_write(s->dma_opaque, rbadr, src, count, CSR_BSWP(s)); \
1.1.1.4 root 1146: src += count; remaining -= count; \
1.1.1.3 root 1147: SET_FIELD(&rmd.status, RMDS, OWN, 0); \
1.1 root 1148: RMDSTORE(&rmd, PHYSADDR(s,crda)); \
1149: pktcount++; \
1150: } while (0)
1151:
1.1.1.4 root 1152: remaining = size;
1.1 root 1153: PCNET_RECV_STORE();
1.1.1.4 root 1154: if ((remaining > 0) && CSR_NRDA(s)) {
1.1 root 1155: target_phys_addr_t nrda = CSR_NRDA(s);
1.1.1.4 root 1156: #ifdef PCNET_DEBUG_RMD
1157: PRINT_RMD(&rmd);
1158: #endif
1.1 root 1159: RMDLOAD(&rmd, PHYSADDR(s,nrda));
1.1.1.3 root 1160: if (GET_FIELD(rmd.status, RMDS, OWN)) {
1.1 root 1161: crda = nrda;
1162: PCNET_RECV_STORE();
1.1.1.4 root 1163: #ifdef PCNET_DEBUG_RMD
1164: PRINT_RMD(&rmd);
1165: #endif
1166: if ((remaining > 0) && (nrda=CSR_NNRD(s))) {
1.1 root 1167: RMDLOAD(&rmd, PHYSADDR(s,nrda));
1.1.1.3 root 1168: if (GET_FIELD(rmd.status, RMDS, OWN)) {
1.1 root 1169: crda = nrda;
1170: PCNET_RECV_STORE();
1171: }
1172: }
1.1.1.3 root 1173: }
1.1 root 1174: }
1175:
1176: #undef PCNET_RECV_STORE
1177:
1178: RMDLOAD(&rmd, PHYSADDR(s,crda));
1.1.1.4 root 1179: if (remaining == 0) {
1180: SET_FIELD(&rmd.msg_length, RMDM, MCNT, size);
1.1.1.3 root 1181: SET_FIELD(&rmd.status, RMDS, ENP, 1);
1182: SET_FIELD(&rmd.status, RMDS, PAM, !CSR_PROM(s) && is_padr);
1183: SET_FIELD(&rmd.status, RMDS, LFAM, !CSR_PROM(s) && is_ladr);
1184: SET_FIELD(&rmd.status, RMDS, BAM, !CSR_PROM(s) && is_bcast);
1.1.1.4 root 1185: if (crc_err) {
1186: SET_FIELD(&rmd.status, RMDS, CRC, 1);
1187: SET_FIELD(&rmd.status, RMDS, ERR, 1);
1188: }
1.1 root 1189: } else {
1.1.1.3 root 1190: SET_FIELD(&rmd.status, RMDS, OFLO, 1);
1191: SET_FIELD(&rmd.status, RMDS, BUFF, 1);
1192: SET_FIELD(&rmd.status, RMDS, ERR, 1);
1.1 root 1193: }
1194: RMDSTORE(&rmd, PHYSADDR(s,crda));
1195: s->csr[0] |= 0x0400;
1196:
1197: #ifdef PCNET_DEBUG
1.1.1.3 root 1198: printf("RCVRC=%d CRDA=0x%08x BLKS=%d\n",
1.1 root 1199: CSR_RCVRC(s), PHYSADDR(s,CSR_CRDA(s)), pktcount);
1200: #endif
1201: #ifdef PCNET_DEBUG_RMD
1202: PRINT_RMD(&rmd);
1.1.1.3 root 1203: #endif
1.1 root 1204:
1205: while (pktcount--) {
1206: if (CSR_RCVRC(s) <= 1)
1207: CSR_RCVRC(s) = CSR_RCVRL(s);
1208: else
1.1.1.3 root 1209: CSR_RCVRC(s)--;
1.1 root 1210: }
1.1.1.3 root 1211:
1.1 root 1212: pcnet_rdte_poll(s);
1213:
1.1.1.3 root 1214: }
1.1 root 1215: }
1216:
1217: pcnet_poll(s);
1.1.1.3 root 1218: pcnet_update_irq(s);
1.1.1.6 root 1219:
1220: return size_;
1.1 root 1221: }
1222:
1223: static void pcnet_transmit(PCNetState *s)
1224: {
1225: target_phys_addr_t xmit_cxda = 0;
1226: int count = CSR_XMTRL(s)-1;
1.1.1.4 root 1227: int add_crc = 0;
1228:
1.1 root 1229: s->xmit_pos = -1;
1.1.1.3 root 1230:
1.1 root 1231: if (!CSR_TXON(s)) {
1232: s->csr[0] &= ~0x0008;
1233: return;
1234: }
1235:
1236: s->tx_busy = 1;
1237:
1238: txagain:
1239: if (pcnet_tdte_poll(s)) {
1240: struct pcnet_TMD tmd;
1241:
1.1.1.3 root 1242: TMDLOAD(&tmd, PHYSADDR(s,CSR_CXDA(s)));
1.1 root 1243:
1244: #ifdef PCNET_DEBUG_TMD
1245: printf(" TMDLOAD 0x%08x\n", PHYSADDR(s,CSR_CXDA(s)));
1246: PRINT_TMD(&tmd);
1247: #endif
1.1.1.3 root 1248: if (GET_FIELD(tmd.status, TMDS, STP)) {
1249: s->xmit_pos = 0;
1.1 root 1250: xmit_cxda = PHYSADDR(s,CSR_CXDA(s));
1.1.1.4 root 1251: if (BCR_SWSTYLE(s) != 1)
1252: add_crc = GET_FIELD(tmd.status, TMDS, ADDFCS);
1.1 root 1253: }
1.1.1.4 root 1254: if (!GET_FIELD(tmd.status, TMDS, ENP)) {
1255: int bcnt = 4096 - GET_FIELD(tmd.length, TMDL, BCNT);
1256: s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tbadr),
1257: s->buffer + s->xmit_pos, bcnt, CSR_BSWP(s));
1258: s->xmit_pos += bcnt;
1259: } else if (s->xmit_pos >= 0) {
1.1.1.3 root 1260: int bcnt = 4096 - GET_FIELD(tmd.length, TMDL, BCNT);
1261: s->phys_mem_read(s->dma_opaque, PHYSADDR(s, tmd.tbadr),
1262: s->buffer + s->xmit_pos, bcnt, CSR_BSWP(s));
1263: s->xmit_pos += bcnt;
1.1 root 1264: #ifdef PCNET_DEBUG
1265: printf("pcnet_transmit size=%d\n", s->xmit_pos);
1.1.1.3 root 1266: #endif
1.1.1.4 root 1267: if (CSR_LOOP(s)) {
1268: if (BCR_SWSTYLE(s) == 1)
1269: add_crc = !GET_FIELD(tmd.status, TMDS, NOFCS);
1270: s->looptest = add_crc ? PCNET_LOOPTEST_CRC : PCNET_LOOPTEST_NOCRC;
1.1.1.8 ! root 1271: pcnet_receive(&s->nic->nc, s->buffer, s->xmit_pos);
1.1.1.4 root 1272: s->looptest = 0;
1273: } else
1.1.1.8 ! root 1274: if (s->nic)
! 1275: qemu_send_packet(&s->nic->nc, s->buffer, s->xmit_pos);
1.1 root 1276:
1277: s->csr[0] &= ~0x0008; /* clear TDMD */
1278: s->csr[4] |= 0x0004; /* set TXSTRT */
1279: s->xmit_pos = -1;
1280: }
1281:
1.1.1.3 root 1282: SET_FIELD(&tmd.status, TMDS, OWN, 0);
1.1 root 1283: TMDSTORE(&tmd, PHYSADDR(s,CSR_CXDA(s)));
1.1.1.3 root 1284: if (!CSR_TOKINTD(s) || (CSR_LTINTEN(s) && GET_FIELD(tmd.status, TMDS, LTINT)))
1.1 root 1285: s->csr[0] |= 0x0200; /* set TINT */
1286:
1287: if (CSR_XMTRC(s)<=1)
1288: CSR_XMTRC(s) = CSR_XMTRL(s);
1289: else
1290: CSR_XMTRC(s)--;
1291: if (count--)
1292: goto txagain;
1293:
1.1.1.3 root 1294: } else
1.1 root 1295: if (s->xmit_pos >= 0) {
1296: struct pcnet_TMD tmd;
1.1.1.6 root 1297: TMDLOAD(&tmd, xmit_cxda);
1.1.1.3 root 1298: SET_FIELD(&tmd.misc, TMDM, BUFF, 1);
1299: SET_FIELD(&tmd.misc, TMDM, UFLO, 1);
1300: SET_FIELD(&tmd.status, TMDS, ERR, 1);
1301: SET_FIELD(&tmd.status, TMDS, OWN, 0);
1.1.1.6 root 1302: TMDSTORE(&tmd, xmit_cxda);
1.1 root 1303: s->csr[0] |= 0x0200; /* set TINT */
1304: if (!CSR_DXSUFLO(s)) {
1305: s->csr[0] &= ~0x0010;
1306: } else
1307: if (count--)
1308: goto txagain;
1309: }
1310:
1311: s->tx_busy = 0;
1312: }
1313:
1314: static void pcnet_poll(PCNetState *s)
1315: {
1316: if (CSR_RXON(s)) {
1317: pcnet_rdte_poll(s);
1318: }
1319:
1.1.1.3 root 1320: if (CSR_TDMD(s) ||
1.1 root 1321: (CSR_TXON(s) && !CSR_DPOLL(s) && pcnet_tdte_poll(s)))
1322: {
1323: /* prevent recursion */
1324: if (s->tx_busy)
1325: return;
1326:
1327: pcnet_transmit(s);
1328: }
1329: }
1330:
1331: static void pcnet_poll_timer(void *opaque)
1332: {
1333: PCNetState *s = opaque;
1334:
1335: qemu_del_timer(s->poll_timer);
1336:
1337: if (CSR_TDMD(s)) {
1338: pcnet_transmit(s);
1339: }
1340:
1.1.1.3 root 1341: pcnet_update_irq(s);
1.1 root 1342:
1343: if (!CSR_STOP(s) && !CSR_SPND(s) && !CSR_DPOLL(s)) {
1344: uint64_t now = qemu_get_clock(vm_clock) * 33;
1345: if (!s->timer || !now)
1346: s->timer = now;
1347: else {
1348: uint64_t t = now - s->timer + CSR_POLL(s);
1349: if (t > 0xffffLL) {
1350: pcnet_poll(s);
1351: CSR_POLL(s) = CSR_PINT(s);
1352: } else
1353: CSR_POLL(s) = t;
1354: }
1.1.1.3 root 1355: qemu_mod_timer(s->poll_timer,
1.1 root 1356: pcnet_get_next_poll_time(s,qemu_get_clock(vm_clock)));
1357: }
1358: }
1359:
1360:
1361: static void pcnet_csr_writew(PCNetState *s, uint32_t rap, uint32_t new_value)
1362: {
1363: uint16_t val = new_value;
1364: #ifdef PCNET_DEBUG_CSR
1365: printf("pcnet_csr_writew rap=%d val=0x%04x\n", rap, val);
1366: #endif
1367: switch (rap) {
1368: case 0:
1369: s->csr[0] &= ~(val & 0x7f00); /* Clear any interrupt flags */
1370:
1371: s->csr[0] = (s->csr[0] & ~0x0040) | (val & 0x0048);
1372:
1373: val = (val & 0x007f) | (s->csr[0] & 0x7f00);
1374:
1375: /* IFF STOP, STRT and INIT are set, clear STRT and INIT */
1376: if ((val&7) == 7)
1377: val &= ~3;
1378:
1379: if (!CSR_STOP(s) && (val & 4))
1380: pcnet_stop(s);
1381:
1382: if (!CSR_INIT(s) && (val & 1))
1383: pcnet_init(s);
1384:
1385: if (!CSR_STRT(s) && (val & 2))
1386: pcnet_start(s);
1387:
1.1.1.3 root 1388: if (CSR_TDMD(s))
1.1 root 1389: pcnet_transmit(s);
1390:
1391: return;
1392: case 1:
1393: case 2:
1394: case 8:
1395: case 9:
1396: case 10:
1397: case 11:
1398: case 12:
1399: case 13:
1400: case 14:
1401: case 15:
1402: case 18: /* CRBAL */
1403: case 19: /* CRBAU */
1404: case 20: /* CXBAL */
1405: case 21: /* CXBAU */
1406: case 22: /* NRBAU */
1407: case 23: /* NRBAU */
1408: case 24:
1409: case 25:
1410: case 26:
1411: case 27:
1412: case 28:
1413: case 29:
1414: case 30:
1415: case 31:
1416: case 32:
1417: case 33:
1418: case 34:
1419: case 35:
1420: case 36:
1421: case 37:
1422: case 38:
1423: case 39:
1424: case 40: /* CRBC */
1425: case 41:
1426: case 42: /* CXBC */
1427: case 43:
1428: case 44:
1429: case 45:
1430: case 46: /* POLL */
1431: case 47: /* POLLINT */
1432: case 72:
1433: case 74:
1434: case 76: /* RCVRL */
1435: case 78: /* XMTRL */
1436: case 112:
1437: if (CSR_STOP(s) || CSR_SPND(s))
1438: break;
1439: return;
1440: case 3:
1441: break;
1442: case 4:
1.1.1.3 root 1443: s->csr[4] &= ~(val & 0x026a);
1.1 root 1444: val &= ~0x026a; val |= s->csr[4] & 0x026a;
1445: break;
1446: case 5:
1.1.1.3 root 1447: s->csr[5] &= ~(val & 0x0a90);
1.1 root 1448: val &= ~0x0a90; val |= s->csr[5] & 0x0a90;
1449: break;
1450: case 16:
1451: pcnet_csr_writew(s,1,val);
1452: return;
1453: case 17:
1454: pcnet_csr_writew(s,2,val);
1455: return;
1456: case 58:
1457: pcnet_bcr_writew(s,BCR_SWS,val);
1458: break;
1459: default:
1460: return;
1461: }
1462: s->csr[rap] = val;
1463: }
1464:
1465: static uint32_t pcnet_csr_readw(PCNetState *s, uint32_t rap)
1466: {
1467: uint32_t val;
1468: switch (rap) {
1469: case 0:
1470: pcnet_update_irq(s);
1471: val = s->csr[0];
1472: val |= (val & 0x7800) ? 0x8000 : 0;
1473: break;
1474: case 16:
1475: return pcnet_csr_readw(s,1);
1476: case 17:
1477: return pcnet_csr_readw(s,2);
1478: case 58:
1479: return pcnet_bcr_readw(s,BCR_SWS);
1480: case 88:
1481: val = s->csr[89];
1482: val <<= 16;
1483: val |= s->csr[88];
1484: break;
1485: default:
1486: val = s->csr[rap];
1487: }
1488: #ifdef PCNET_DEBUG_CSR
1489: printf("pcnet_csr_readw rap=%d val=0x%04x\n", rap, val);
1490: #endif
1491: return val;
1492: }
1493:
1494: static void pcnet_bcr_writew(PCNetState *s, uint32_t rap, uint32_t val)
1495: {
1496: rap &= 127;
1497: #ifdef PCNET_DEBUG_BCR
1498: printf("pcnet_bcr_writew rap=%d val=0x%04x\n", rap, val);
1499: #endif
1500: switch (rap) {
1501: case BCR_SWS:
1502: if (!(CSR_STOP(s) || CSR_SPND(s)))
1503: return;
1504: val &= ~0x0300;
1505: switch (val & 0x00ff) {
1506: case 0:
1507: val |= 0x0200;
1508: break;
1509: case 1:
1510: val |= 0x0100;
1511: break;
1512: case 2:
1513: case 3:
1514: val |= 0x0300;
1515: break;
1516: default:
1517: printf("Bad SWSTYLE=0x%02x\n", val & 0xff);
1518: val = 0x0200;
1519: break;
1520: }
1521: #ifdef PCNET_DEBUG
1522: printf("BCR_SWS=0x%04x\n", val);
1523: #endif
1524: case BCR_LNKST:
1525: case BCR_LED1:
1526: case BCR_LED2:
1527: case BCR_LED3:
1528: case BCR_MC:
1529: case BCR_FDC:
1530: case BCR_BSBC:
1531: case BCR_EECAS:
1532: case BCR_PLAT:
1533: s->bcr[rap] = val;
1534: break;
1535: default:
1536: break;
1537: }
1538: }
1539:
1540: static uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap)
1541: {
1542: uint32_t val;
1543: rap &= 127;
1544: switch (rap) {
1545: case BCR_LNKST:
1546: case BCR_LED1:
1547: case BCR_LED2:
1548: case BCR_LED3:
1549: val = s->bcr[rap] & ~0x8000;
1550: val |= (val & 0x017f & s->lnkst) ? 0x8000 : 0;
1551: break;
1552: default:
1553: val = rap < 32 ? s->bcr[rap] : 0;
1554: break;
1555: }
1556: #ifdef PCNET_DEBUG_BCR
1557: printf("pcnet_bcr_readw rap=%d val=0x%04x\n", rap, val);
1558: #endif
1559: return val;
1560: }
1561:
1.1.1.8 ! root 1562: void pcnet_h_reset(void *opaque)
1.1 root 1563: {
1.1.1.2 root 1564: PCNetState *s = opaque;
1.1 root 1565: int i;
1566: uint16_t checksum;
1567:
1568: /* Initialize the PROM */
1569:
1.1.1.8 ! root 1570: memcpy(s->prom, s->conf.macaddr.a, 6);
1.1 root 1571: s->prom[12] = s->prom[13] = 0x00;
1572: s->prom[14] = s->prom[15] = 0x57;
1573:
1574: for (i = 0,checksum = 0; i < 16; i++)
1575: checksum += s->prom[i];
1576: *(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
1577:
1578:
1579: s->bcr[BCR_MSRDA] = 0x0005;
1580: s->bcr[BCR_MSWRA] = 0x0005;
1581: s->bcr[BCR_MC ] = 0x0002;
1582: s->bcr[BCR_LNKST] = 0x00c0;
1583: s->bcr[BCR_LED1 ] = 0x0084;
1584: s->bcr[BCR_LED2 ] = 0x0088;
1585: s->bcr[BCR_LED3 ] = 0x0090;
1586: s->bcr[BCR_FDC ] = 0x0000;
1587: s->bcr[BCR_BSBC ] = 0x9001;
1588: s->bcr[BCR_EECAS] = 0x0002;
1589: s->bcr[BCR_SWS ] = 0x0200;
1590: s->bcr[BCR_PLAT ] = 0xff06;
1591:
1592: pcnet_s_reset(s);
1.1.1.8 ! root 1593: pcnet_update_irq(s);
! 1594: pcnet_poll_timer(s);
1.1 root 1595: }
1596:
1597: static void pcnet_aprom_writeb(void *opaque, uint32_t addr, uint32_t val)
1598: {
1599: PCNetState *s = opaque;
1600: #ifdef PCNET_DEBUG
1601: printf("pcnet_aprom_writeb addr=0x%08x val=0x%02x\n", addr, val);
1.1.1.3 root 1602: #endif
1.1 root 1603: /* Check APROMWE bit to enable write access */
1604: if (pcnet_bcr_readw(s,2) & 0x80)
1605: s->prom[addr & 15] = val;
1.1.1.3 root 1606: }
1.1 root 1607:
1608: static uint32_t pcnet_aprom_readb(void *opaque, uint32_t addr)
1609: {
1610: PCNetState *s = opaque;
1611: uint32_t val = s->prom[addr &= 15];
1612: #ifdef PCNET_DEBUG
1613: printf("pcnet_aprom_readb addr=0x%08x val=0x%02x\n", addr, val);
1614: #endif
1615: return val;
1616: }
1617:
1.1.1.8 ! root 1618: void pcnet_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
1.1 root 1619: {
1620: PCNetState *s = opaque;
1621: pcnet_poll_timer(s);
1622: #ifdef PCNET_DEBUG_IO
1623: printf("pcnet_ioport_writew addr=0x%08x val=0x%04x\n", addr, val);
1624: #endif
1625: if (!BCR_DWIO(s)) {
1626: switch (addr & 0x0f) {
1627: case 0x00: /* RDP */
1628: pcnet_csr_writew(s, s->rap, val);
1629: break;
1630: case 0x02:
1631: s->rap = val & 0x7f;
1632: break;
1633: case 0x06:
1634: pcnet_bcr_writew(s, s->rap, val);
1635: break;
1636: }
1637: }
1638: pcnet_update_irq(s);
1639: }
1640:
1.1.1.8 ! root 1641: uint32_t pcnet_ioport_readw(void *opaque, uint32_t addr)
1.1 root 1642: {
1643: PCNetState *s = opaque;
1644: uint32_t val = -1;
1645: pcnet_poll_timer(s);
1646: if (!BCR_DWIO(s)) {
1647: switch (addr & 0x0f) {
1648: case 0x00: /* RDP */
1649: val = pcnet_csr_readw(s, s->rap);
1650: break;
1651: case 0x02:
1652: val = s->rap;
1653: break;
1654: case 0x04:
1655: pcnet_s_reset(s);
1656: val = 0;
1657: break;
1658: case 0x06:
1659: val = pcnet_bcr_readw(s, s->rap);
1660: break;
1661: }
1662: }
1663: pcnet_update_irq(s);
1664: #ifdef PCNET_DEBUG_IO
1665: printf("pcnet_ioport_readw addr=0x%08x val=0x%04x\n", addr, val & 0xffff);
1666: #endif
1667: return val;
1668: }
1669:
1670: static void pcnet_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
1671: {
1672: PCNetState *s = opaque;
1673: pcnet_poll_timer(s);
1674: #ifdef PCNET_DEBUG_IO
1675: printf("pcnet_ioport_writel addr=0x%08x val=0x%08x\n", addr, val);
1676: #endif
1677: if (BCR_DWIO(s)) {
1678: switch (addr & 0x0f) {
1679: case 0x00: /* RDP */
1680: pcnet_csr_writew(s, s->rap, val & 0xffff);
1681: break;
1682: case 0x04:
1683: s->rap = val & 0x7f;
1684: break;
1685: case 0x0c:
1686: pcnet_bcr_writew(s, s->rap, val & 0xffff);
1687: break;
1688: }
1689: } else
1690: if ((addr & 0x0f) == 0) {
1691: /* switch device to dword i/o mode */
1692: pcnet_bcr_writew(s, BCR_BSBC, pcnet_bcr_readw(s, BCR_BSBC) | 0x0080);
1693: #ifdef PCNET_DEBUG_IO
1694: printf("device switched into dword i/o mode\n");
1.1.1.3 root 1695: #endif
1.1 root 1696: }
1697: pcnet_update_irq(s);
1698: }
1699:
1700: static uint32_t pcnet_ioport_readl(void *opaque, uint32_t addr)
1701: {
1702: PCNetState *s = opaque;
1703: uint32_t val = -1;
1704: pcnet_poll_timer(s);
1.1.1.3 root 1705: if (BCR_DWIO(s)) {
1.1 root 1706: switch (addr & 0x0f) {
1707: case 0x00: /* RDP */
1708: val = pcnet_csr_readw(s, s->rap);
1709: break;
1710: case 0x04:
1711: val = s->rap;
1712: break;
1713: case 0x08:
1714: pcnet_s_reset(s);
1715: val = 0;
1716: break;
1717: case 0x0c:
1718: val = pcnet_bcr_readw(s, s->rap);
1719: break;
1720: }
1721: }
1722: pcnet_update_irq(s);
1723: #ifdef PCNET_DEBUG_IO
1724: printf("pcnet_ioport_readl addr=0x%08x val=0x%08x\n", addr, val);
1725: #endif
1726: return val;
1727: }
1728:
1.1.1.3 root 1729: static void pcnet_ioport_map(PCIDevice *pci_dev, int region_num,
1.1.1.8 ! root 1730: pcibus_t addr, pcibus_t size, int type)
1.1 root 1731: {
1.1.1.8 ! root 1732: PCNetState *d = &DO_UPCAST(PCIPCNetState, pci_dev, pci_dev)->state;
1.1 root 1733:
1734: #ifdef PCNET_DEBUG_IO
1.1.1.8 ! root 1735: printf("pcnet_ioport_map addr=0x%04"FMT_PCIBUS" size=0x%04"FMT_PCIBUS"\n",
! 1736: addr, size);
1.1 root 1737: #endif
1738:
1739: register_ioport_write(addr, 16, 1, pcnet_aprom_writeb, d);
1740: register_ioport_read(addr, 16, 1, pcnet_aprom_readb, d);
1.1.1.3 root 1741:
1.1 root 1742: register_ioport_write(addr + 0x10, 0x10, 2, pcnet_ioport_writew, d);
1743: register_ioport_read(addr + 0x10, 0x10, 2, pcnet_ioport_readw, d);
1744: register_ioport_write(addr + 0x10, 0x10, 4, pcnet_ioport_writel, d);
1745: register_ioport_read(addr + 0x10, 0x10, 4, pcnet_ioport_readl, d);
1746: }
1747:
1748: static void pcnet_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
1749: {
1750: PCNetState *d = opaque;
1751: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1752: printf("pcnet_mmio_writeb addr=0x" TARGET_FMT_plx" val=0x%02x\n", addr,
1753: val);
1.1 root 1754: #endif
1755: if (!(addr & 0x10))
1756: pcnet_aprom_writeb(d, addr & 0x0f, val);
1757: }
1758:
1.1.1.3 root 1759: static uint32_t pcnet_mmio_readb(void *opaque, target_phys_addr_t addr)
1.1 root 1760: {
1761: PCNetState *d = opaque;
1762: uint32_t val = -1;
1763: if (!(addr & 0x10))
1764: val = pcnet_aprom_readb(d, addr & 0x0f);
1765: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1766: printf("pcnet_mmio_readb addr=0x" TARGET_FMT_plx " val=0x%02x\n", addr,
1767: val & 0xff);
1.1 root 1768: #endif
1769: return val;
1770: }
1771:
1772: static void pcnet_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
1773: {
1774: PCNetState *d = opaque;
1775: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1776: printf("pcnet_mmio_writew addr=0x" TARGET_FMT_plx " val=0x%04x\n", addr,
1777: val);
1.1 root 1778: #endif
1779: if (addr & 0x10)
1780: pcnet_ioport_writew(d, addr & 0x0f, val);
1781: else {
1782: addr &= 0x0f;
1783: pcnet_aprom_writeb(d, addr, val & 0xff);
1784: pcnet_aprom_writeb(d, addr+1, (val & 0xff00) >> 8);
1785: }
1786: }
1787:
1.1.1.3 root 1788: static uint32_t pcnet_mmio_readw(void *opaque, target_phys_addr_t addr)
1.1 root 1789: {
1790: PCNetState *d = opaque;
1791: uint32_t val = -1;
1792: if (addr & 0x10)
1793: val = pcnet_ioport_readw(d, addr & 0x0f);
1794: else {
1795: addr &= 0x0f;
1796: val = pcnet_aprom_readb(d, addr+1);
1797: val <<= 8;
1798: val |= pcnet_aprom_readb(d, addr);
1799: }
1800: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1801: printf("pcnet_mmio_readw addr=0x" TARGET_FMT_plx" val = 0x%04x\n", addr,
1802: val & 0xffff);
1.1 root 1803: #endif
1804: return val;
1805: }
1806:
1807: static void pcnet_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
1808: {
1809: PCNetState *d = opaque;
1810: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1811: printf("pcnet_mmio_writel addr=0x" TARGET_FMT_plx" val=0x%08x\n", addr,
1812: val);
1.1 root 1813: #endif
1814: if (addr & 0x10)
1815: pcnet_ioport_writel(d, addr & 0x0f, val);
1816: else {
1817: addr &= 0x0f;
1818: pcnet_aprom_writeb(d, addr, val & 0xff);
1819: pcnet_aprom_writeb(d, addr+1, (val & 0xff00) >> 8);
1820: pcnet_aprom_writeb(d, addr+2, (val & 0xff0000) >> 16);
1821: pcnet_aprom_writeb(d, addr+3, (val & 0xff000000) >> 24);
1822: }
1823: }
1824:
1.1.1.3 root 1825: static uint32_t pcnet_mmio_readl(void *opaque, target_phys_addr_t addr)
1.1 root 1826: {
1827: PCNetState *d = opaque;
1828: uint32_t val;
1829: if (addr & 0x10)
1830: val = pcnet_ioport_readl(d, addr & 0x0f);
1831: else {
1832: addr &= 0x0f;
1833: val = pcnet_aprom_readb(d, addr+3);
1834: val <<= 8;
1835: val |= pcnet_aprom_readb(d, addr+2);
1836: val <<= 8;
1837: val |= pcnet_aprom_readb(d, addr+1);
1838: val <<= 8;
1839: val |= pcnet_aprom_readb(d, addr);
1840: }
1841: #ifdef PCNET_DEBUG_IO
1.1.1.4 root 1842: printf("pcnet_mmio_readl addr=0x" TARGET_FMT_plx " val=0x%08x\n", addr,
1843: val);
1.1 root 1844: #endif
1845: return val;
1846: }
1847:
1.1.1.8 ! root 1848: static bool is_version_2(void *opaque, int version_id)
1.1.1.2 root 1849: {
1.1.1.8 ! root 1850: return version_id == 2;
1.1.1.2 root 1851: }
1852:
1.1.1.8 ! root 1853: const VMStateDescription vmstate_pcnet = {
! 1854: .name = "pcnet",
! 1855: .version_id = 3,
! 1856: .minimum_version_id = 2,
! 1857: .minimum_version_id_old = 2,
! 1858: .fields = (VMStateField []) {
! 1859: VMSTATE_INT32(rap, PCNetState),
! 1860: VMSTATE_INT32(isr, PCNetState),
! 1861: VMSTATE_INT32(lnkst, PCNetState),
! 1862: VMSTATE_UINT32(rdra, PCNetState),
! 1863: VMSTATE_UINT32(tdra, PCNetState),
! 1864: VMSTATE_BUFFER(prom, PCNetState),
! 1865: VMSTATE_UINT16_ARRAY(csr, PCNetState, 128),
! 1866: VMSTATE_UINT16_ARRAY(bcr, PCNetState, 32),
! 1867: VMSTATE_UINT64(timer, PCNetState),
! 1868: VMSTATE_INT32(xmit_pos, PCNetState),
! 1869: VMSTATE_BUFFER(buffer, PCNetState),
! 1870: VMSTATE_UNUSED_TEST(is_version_2, 4),
! 1871: VMSTATE_INT32(tx_busy, PCNetState),
! 1872: VMSTATE_TIMER(poll_timer, PCNetState),
! 1873: VMSTATE_END_OF_LIST()
! 1874: }
! 1875: };
1.1.1.2 root 1876:
1.1.1.8 ! root 1877: static const VMStateDescription vmstate_pci_pcnet = {
! 1878: .name = "pcnet",
! 1879: .version_id = 3,
! 1880: .minimum_version_id = 2,
! 1881: .minimum_version_id_old = 2,
! 1882: .fields = (VMStateField []) {
! 1883: VMSTATE_PCI_DEVICE(pci_dev, PCIPCNetState),
! 1884: VMSTATE_STRUCT(state, PCIPCNetState, 0, vmstate_pcnet, PCNetState),
! 1885: VMSTATE_END_OF_LIST()
! 1886: }
! 1887: };
1.1.1.2 root 1888:
1.1.1.8 ! root 1889: void pcnet_common_cleanup(PCNetState *d)
1.1.1.5 root 1890: {
1.1.1.8 ! root 1891: d->nic = NULL;
1.1.1.5 root 1892: }
1893:
1.1.1.8 ! root 1894: int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
1.1.1.2 root 1895: {
1.1.1.6 root 1896: s->poll_timer = qemu_new_timer(vm_clock, pcnet_poll_timer, s);
1.1.1.2 root 1897:
1.1.1.8 ! root 1898: qemu_macaddr_default_if_unset(&s->conf.macaddr);
! 1899: s->nic = qemu_new_nic(info, &s->conf, dev->info->name, dev->id, s);
! 1900: qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
! 1901: return 0;
1.1.1.2 root 1902: }
1903:
1904: /* PCI interface */
1905:
1.1.1.8 ! root 1906: static CPUWriteMemoryFunc * const pcnet_mmio_write[] = {
! 1907: &pcnet_mmio_writeb,
! 1908: &pcnet_mmio_writew,
! 1909: &pcnet_mmio_writel
1.1 root 1910: };
1911:
1.1.1.8 ! root 1912: static CPUReadMemoryFunc * const pcnet_mmio_read[] = {
! 1913: &pcnet_mmio_readb,
! 1914: &pcnet_mmio_readw,
! 1915: &pcnet_mmio_readl
1.1 root 1916: };
1917:
1.1.1.3 root 1918: static void pcnet_mmio_map(PCIDevice *pci_dev, int region_num,
1.1.1.8 ! root 1919: pcibus_t addr, pcibus_t size, int type)
1.1 root 1920: {
1.1.1.8 ! root 1921: PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, pci_dev);
1.1 root 1922:
1923: #ifdef PCNET_DEBUG_IO
1.1.1.8 ! root 1924: printf("pcnet_mmio_map addr=0x%08"FMT_PCIBUS" 0x%08"FMT_PCIBUS"\n",
! 1925: addr, size);
1.1 root 1926: #endif
1927:
1.1.1.6 root 1928: cpu_register_physical_memory(addr, PCNET_PNPMMIO_SIZE, d->state.mmio_index);
1.1 root 1929: }
1930:
1.1.1.2 root 1931: static void pci_physical_memory_write(void *dma_opaque, target_phys_addr_t addr,
1932: uint8_t *buf, int len, int do_bswap)
1933: {
1934: cpu_physical_memory_write(addr, buf, len);
1935: }
1936:
1937: static void pci_physical_memory_read(void *dma_opaque, target_phys_addr_t addr,
1938: uint8_t *buf, int len, int do_bswap)
1939: {
1940: cpu_physical_memory_read(addr, buf, len);
1941: }
1942:
1.1.1.8 ! root 1943: static void pci_pcnet_cleanup(VLANClientState *nc)
1.1.1.5 root 1944: {
1.1.1.8 ! root 1945: PCNetState *d = DO_UPCAST(NICState, nc, nc)->opaque;
1.1.1.5 root 1946:
1947: pcnet_common_cleanup(d);
1948: }
1949:
1950: static int pci_pcnet_uninit(PCIDevice *dev)
1951: {
1.1.1.8 ! root 1952: PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, dev);
1.1.1.5 root 1953:
1.1.1.6 root 1954: cpu_unregister_io_memory(d->state.mmio_index);
1.1.1.8 ! root 1955: qemu_del_timer(d->state.poll_timer);
! 1956: qemu_free_timer(d->state.poll_timer);
! 1957: qemu_del_vlan_client(&d->state.nic->nc);
1.1.1.5 root 1958: return 0;
1959: }
1960:
1.1.1.8 ! root 1961: static NetClientInfo net_pci_pcnet_info = {
! 1962: .type = NET_CLIENT_TYPE_NIC,
! 1963: .size = sizeof(NICState),
! 1964: .can_receive = pcnet_can_receive,
! 1965: .receive = pcnet_receive,
! 1966: .cleanup = pci_pcnet_cleanup,
! 1967: };
! 1968:
! 1969: static int pci_pcnet_init(PCIDevice *pci_dev)
1.1 root 1970: {
1.1.1.8 ! root 1971: PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, pci_dev);
1.1.1.6 root 1972: PCNetState *s = &d->state;
1.1 root 1973: uint8_t *pci_conf;
1974:
1975: #if 0
1.1.1.3 root 1976: printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
1.1 root 1977: sizeof(struct pcnet_RMD), sizeof(struct pcnet_TMD));
1978: #endif
1979:
1.1.1.6 root 1980: pci_conf = pci_dev->config;
1.1.1.3 root 1981:
1.1.1.4 root 1982: pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_AMD);
1983: pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_AMD_LANCE);
1.1.1.3 root 1984: *(uint16_t *)&pci_conf[0x04] = cpu_to_le16(0x0007);
1.1 root 1985: *(uint16_t *)&pci_conf[0x06] = cpu_to_le16(0x0280);
1986: pci_conf[0x08] = 0x10;
1987: pci_conf[0x09] = 0x00;
1.1.1.4 root 1988: pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET);
1.1.1.6 root 1989: pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1.1.3 root 1990:
1.1 root 1991: *(uint32_t *)&pci_conf[0x10] = cpu_to_le32(0x00000001);
1992: *(uint32_t *)&pci_conf[0x14] = cpu_to_le32(0x00000000);
1.1.1.3 root 1993:
1.1 root 1994: pci_conf[0x3d] = 1; // interrupt pin 0
1995: pci_conf[0x3e] = 0x06;
1996: pci_conf[0x3f] = 0xff;
1997:
1998: /* Handler for memory-mapped I/O */
1.1.1.6 root 1999: s->mmio_index =
2000: cpu_register_io_memory(pcnet_mmio_read, pcnet_mmio_write, &d->state);
1.1 root 2001:
1.1.1.6 root 2002: pci_register_bar((PCIDevice *)d, 0, PCNET_IOPORT_SIZE,
1.1.1.8 ! root 2003: PCI_BASE_ADDRESS_SPACE_IO, pcnet_ioport_map);
1.1.1.3 root 2004:
1.1.1.6 root 2005: pci_register_bar((PCIDevice *)d, 1, PCNET_PNPMMIO_SIZE,
1.1.1.8 ! root 2006: PCI_BASE_ADDRESS_SPACE_MEMORY, pcnet_mmio_map);
1.1.1.3 root 2007:
1.1.1.6 root 2008: s->irq = pci_dev->irq[0];
2009: s->phys_mem_read = pci_physical_memory_read;
2010: s->phys_mem_write = pci_physical_memory_write;
1.1.1.2 root 2011:
1.1.1.8 ! root 2012: if (!pci_dev->qdev.hotplugged) {
! 2013: static int loaded = 0;
! 2014: if (!loaded) {
! 2015: rom_add_option("pxe-pcnet.bin");
! 2016: loaded = 1;
! 2017: }
! 2018: }
1.1.1.5 root 2019:
1.1.1.8 ! root 2020: return pcnet_common_init(&pci_dev->qdev, s, &net_pci_pcnet_info);
1.1.1.5 root 2021: }
2022:
1.1.1.8 ! root 2023: static void pci_reset(DeviceState *dev)
1.1.1.2 root 2024: {
1.1.1.8 ! root 2025: PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev.qdev, dev);
1.1.1.2 root 2026:
1.1.1.8 ! root 2027: pcnet_h_reset(&d->state);
1.1.1.6 root 2028: }
1.1.1.2 root 2029:
1.1.1.8 ! root 2030: static PCIDeviceInfo pcnet_info = {
! 2031: .qdev.name = "pcnet",
! 2032: .qdev.size = sizeof(PCIPCNetState),
! 2033: .qdev.reset = pci_reset,
! 2034: .qdev.vmsd = &vmstate_pci_pcnet,
! 2035: .init = pci_pcnet_init,
! 2036: .exit = pci_pcnet_uninit,
1.1.1.6 root 2037: .qdev.props = (Property[]) {
1.1.1.8 ! root 2038: DEFINE_NIC_PROPERTIES(PCIPCNetState, state.conf),
! 2039: DEFINE_PROP_END_OF_LIST(),
1.1.1.6 root 2040: }
2041: };
1.1.1.2 root 2042:
1.1.1.6 root 2043: static void pcnet_register_devices(void)
2044: {
2045: pci_qdev_register(&pcnet_info);
2046: }
2047:
2048: device_init(pcnet_register_devices)
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