11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * arch/alpha/lib/fpreg.c 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (C) Copyright 1998 Linus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 74b417d0c7cb6af4afb7bad6463f7f3227d8a5074Akinobu Mita#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STT(reg,val) asm volatile ("ftoit $f"#reg",%0" : "=r"(val)); 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STT(reg,val) asm volatile ("stt $f"#reg",%0" : "=m"(val)); 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsalpha_read_fp_reg (unsigned long reg) 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long val; 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg) { 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: STT( 0, val); break; 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: STT( 1, val); break; 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: STT( 2, val); break; 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 3: STT( 3, val); break; 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: STT( 4, val); break; 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 5: STT( 5, val); break; 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 6: STT( 6, val); break; 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 7: STT( 7, val); break; 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: STT( 8, val); break; 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 9: STT( 9, val); break; 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 10: STT(10, val); break; 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 11: STT(11, val); break; 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 12: STT(12, val); break; 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 13: STT(13, val); break; 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 14: STT(14, val); break; 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: STT(15, val); break; 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: STT(16, val); break; 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 17: STT(17, val); break; 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 18: STT(18, val); break; 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 19: STT(19, val); break; 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 20: STT(20, val); break; 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 21: STT(21, val); break; 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 22: STT(22, val); break; 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 23: STT(23, val); break; 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: STT(24, val); break; 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 25: STT(25, val); break; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 26: STT(26, val); break; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 27: STT(27, val); break; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 28: STT(28, val); break; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 29: STT(29, val); break; 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 30: STT(30, val); break; 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 31: STT(31, val); break; 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: return 0; 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 564b417d0c7cb6af4afb7bad6463f7f3227d8a5074Akinobu Mita#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LDT(reg,val) asm volatile ("itoft %0,$f"#reg : : "r"(val)); 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LDT(reg,val) asm volatile ("ldt $f"#reg",%0" : : "m"(val)); 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsalpha_write_fp_reg (unsigned long reg, unsigned long val) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg) { 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: LDT( 0, val); break; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: LDT( 1, val); break; 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: LDT( 2, val); break; 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 3: LDT( 3, val); break; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: LDT( 4, val); break; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 5: LDT( 5, val); break; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 6: LDT( 6, val); break; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 7: LDT( 7, val); break; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: LDT( 8, val); break; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 9: LDT( 9, val); break; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 10: LDT(10, val); break; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 11: LDT(11, val); break; 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 12: LDT(12, val); break; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 13: LDT(13, val); break; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 14: LDT(14, val); break; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: LDT(15, val); break; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: LDT(16, val); break; 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 17: LDT(17, val); break; 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 18: LDT(18, val); break; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 19: LDT(19, val); break; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 20: LDT(20, val); break; 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 21: LDT(21, val); break; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 22: LDT(22, val); break; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 23: LDT(23, val); break; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: LDT(24, val); break; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 25: LDT(25, val); break; 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 26: LDT(26, val); break; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 27: LDT(27, val); break; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 28: LDT(28, val); break; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 29: LDT(29, val); break; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 30: LDT(30, val); break; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 31: LDT(31, val); break; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1014b417d0c7cb6af4afb7bad6463f7f3227d8a5074Akinobu Mita#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STS(reg,val) asm volatile ("ftois $f"#reg",%0" : "=r"(val)); 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STS(reg,val) asm volatile ("sts $f"#reg",%0" : "=m"(val)); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsalpha_read_fp_reg_s (unsigned long reg) 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long val; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg) { 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: STS( 0, val); break; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: STS( 1, val); break; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: STS( 2, val); break; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 3: STS( 3, val); break; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: STS( 4, val); break; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 5: STS( 5, val); break; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 6: STS( 6, val); break; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 7: STS( 7, val); break; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: STS( 8, val); break; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 9: STS( 9, val); break; 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 10: STS(10, val); break; 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 11: STS(11, val); break; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 12: STS(12, val); break; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 13: STS(13, val); break; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 14: STS(14, val); break; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: STS(15, val); break; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: STS(16, val); break; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 17: STS(17, val); break; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 18: STS(18, val); break; 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 19: STS(19, val); break; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 20: STS(20, val); break; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 21: STS(21, val); break; 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 22: STS(22, val); break; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 23: STS(23, val); break; 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: STS(24, val); break; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 25: STS(25, val); break; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 26: STS(26, val); break; 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 27: STS(27, val); break; 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 28: STS(28, val); break; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 29: STS(29, val); break; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 30: STS(30, val); break; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 31: STS(31, val); break; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: return 0; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1504b417d0c7cb6af4afb7bad6463f7f3227d8a5074Akinobu Mita#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LDS(reg,val) asm volatile ("itofs %0,$f"#reg : : "r"(val)); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LDS(reg,val) asm volatile ("lds $f"#reg",%0" : : "m"(val)); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsalpha_write_fp_reg_s (unsigned long reg, unsigned long val) 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg) { 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: LDS( 0, val); break; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: LDS( 1, val); break; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: LDS( 2, val); break; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 3: LDS( 3, val); break; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: LDS( 4, val); break; 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 5: LDS( 5, val); break; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 6: LDS( 6, val); break; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 7: LDS( 7, val); break; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: LDS( 8, val); break; 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 9: LDS( 9, val); break; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 10: LDS(10, val); break; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 11: LDS(11, val); break; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 12: LDS(12, val); break; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 13: LDS(13, val); break; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 14: LDS(14, val); break; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: LDS(15, val); break; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: LDS(16, val); break; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 17: LDS(17, val); break; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 18: LDS(18, val); break; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 19: LDS(19, val); break; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 20: LDS(20, val); break; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 21: LDS(21, val); break; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 22: LDS(22, val); break; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 23: LDS(23, val); break; 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: LDS(24, val); break; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 25: LDS(25, val); break; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 26: LDS(26, val); break; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 27: LDS(27, val); break; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 28: LDS(28, val); break; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 29: LDS(29, val); break; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 30: LDS(30, val); break; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 31: LDS(31, val); break; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 194