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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | /* * arch/alpha/lib/fpreg.c * * (C) Copyright 1998 Linus Torvalds */ #include <linux/compiler.h> #include <linux/export.h> #if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) #define STT(reg,val) asm volatile ("ftoit $f"#reg",%0" : "=r"(val)); #else #define STT(reg,val) asm volatile ("stt $f"#reg",%0" : "=m"(val)); #endif unsigned long alpha_read_fp_reg (unsigned long reg) { unsigned long val; switch (reg) { case 0: STT( 0, val); break; case 1: STT( 1, val); break; case 2: STT( 2, val); break; case 3: STT( 3, val); break; case 4: STT( 4, val); break; case 5: STT( 5, val); break; case 6: STT( 6, val); break; case 7: STT( 7, val); break; case 8: STT( 8, val); break; case 9: STT( 9, val); break; case 10: STT(10, val); break; case 11: STT(11, val); break; case 12: STT(12, val); break; case 13: STT(13, val); break; case 14: STT(14, val); break; case 15: STT(15, val); break; case 16: STT(16, val); break; case 17: STT(17, val); break; case 18: STT(18, val); break; case 19: STT(19, val); break; case 20: STT(20, val); break; case 21: STT(21, val); break; case 22: STT(22, val); break; case 23: STT(23, val); break; case 24: STT(24, val); break; case 25: STT(25, val); break; case 26: STT(26, val); break; case 27: STT(27, val); break; case 28: STT(28, val); break; case 29: STT(29, val); break; case 30: STT(30, val); break; case 31: STT(31, val); break; default: return 0; } return val; } EXPORT_SYMBOL(alpha_read_fp_reg); #if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) #define LDT(reg,val) asm volatile ("itoft %0,$f"#reg : : "r"(val)); #else #define LDT(reg,val) asm volatile ("ldt $f"#reg",%0" : : "m"(val)); #endif void alpha_write_fp_reg (unsigned long reg, unsigned long val) { switch (reg) { case 0: LDT( 0, val); break; case 1: LDT( 1, val); break; case 2: LDT( 2, val); break; case 3: LDT( 3, val); break; case 4: LDT( 4, val); break; case 5: LDT( 5, val); break; case 6: LDT( 6, val); break; case 7: LDT( 7, val); break; case 8: LDT( 8, val); break; case 9: LDT( 9, val); break; case 10: LDT(10, val); break; case 11: LDT(11, val); break; case 12: LDT(12, val); break; case 13: LDT(13, val); break; case 14: LDT(14, val); break; case 15: LDT(15, val); break; case 16: LDT(16, val); break; case 17: LDT(17, val); break; case 18: LDT(18, val); break; case 19: LDT(19, val); break; case 20: LDT(20, val); break; case 21: LDT(21, val); break; case 22: LDT(22, val); break; case 23: LDT(23, val); break; case 24: LDT(24, val); break; case 25: LDT(25, val); break; case 26: LDT(26, val); break; case 27: LDT(27, val); break; case 28: LDT(28, val); break; case 29: LDT(29, val); break; case 30: LDT(30, val); break; case 31: LDT(31, val); break; } } EXPORT_SYMBOL(alpha_write_fp_reg); #if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) #define STS(reg,val) asm volatile ("ftois $f"#reg",%0" : "=r"(val)); #else #define STS(reg,val) asm volatile ("sts $f"#reg",%0" : "=m"(val)); #endif unsigned long alpha_read_fp_reg_s (unsigned long reg) { unsigned long val; switch (reg) { case 0: STS( 0, val); break; case 1: STS( 1, val); break; case 2: STS( 2, val); break; case 3: STS( 3, val); break; case 4: STS( 4, val); break; case 5: STS( 5, val); break; case 6: STS( 6, val); break; case 7: STS( 7, val); break; case 8: STS( 8, val); break; case 9: STS( 9, val); break; case 10: STS(10, val); break; case 11: STS(11, val); break; case 12: STS(12, val); break; case 13: STS(13, val); break; case 14: STS(14, val); break; case 15: STS(15, val); break; case 16: STS(16, val); break; case 17: STS(17, val); break; case 18: STS(18, val); break; case 19: STS(19, val); break; case 20: STS(20, val); break; case 21: STS(21, val); break; case 22: STS(22, val); break; case 23: STS(23, val); break; case 24: STS(24, val); break; case 25: STS(25, val); break; case 26: STS(26, val); break; case 27: STS(27, val); break; case 28: STS(28, val); break; case 29: STS(29, val); break; case 30: STS(30, val); break; case 31: STS(31, val); break; default: return 0; } return val; } EXPORT_SYMBOL(alpha_read_fp_reg_s); #if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67) #define LDS(reg,val) asm volatile ("itofs %0,$f"#reg : : "r"(val)); #else #define LDS(reg,val) asm volatile ("lds $f"#reg",%0" : : "m"(val)); #endif void alpha_write_fp_reg_s (unsigned long reg, unsigned long val) { switch (reg) { case 0: LDS( 0, val); break; case 1: LDS( 1, val); break; case 2: LDS( 2, val); break; case 3: LDS( 3, val); break; case 4: LDS( 4, val); break; case 5: LDS( 5, val); break; case 6: LDS( 6, val); break; case 7: LDS( 7, val); break; case 8: LDS( 8, val); break; case 9: LDS( 9, val); break; case 10: LDS(10, val); break; case 11: LDS(11, val); break; case 12: LDS(12, val); break; case 13: LDS(13, val); break; case 14: LDS(14, val); break; case 15: LDS(15, val); break; case 16: LDS(16, val); break; case 17: LDS(17, val); break; case 18: LDS(18, val); break; case 19: LDS(19, val); break; case 20: LDS(20, val); break; case 21: LDS(21, val); break; case 22: LDS(22, val); break; case 23: LDS(23, val); break; case 24: LDS(24, val); break; case 25: LDS(25, val); break; case 26: LDS(26, val); break; case 27: LDS(27, val); break; case 28: LDS(28, val); break; case 29: LDS(29, val); break; case 30: LDS(30, val); break; case 31: LDS(31, val); break; } } EXPORT_SYMBOL(alpha_write_fp_reg_s); |