1// riscv support 2 3defn acidinit() // Called after all the init modules are loaded 4{ 5 bplist = {}; 6 bpfmt = 'X'; 7 8 srcpath = { 9 "./", 10 "/sys/src/libc/port/", 11 "/sys/src/libc/9sys/", 12 "/sys/src/libc/riscv/" 13 }; 14 15 srcfiles = {}; // list of loaded files 16 srctext = {}; // the text of the files 17} 18 19defn stk() // trace 20{ 21 _stk(*PC, *SP, linkreg(0), 0); 22} 23 24defn lstk() // trace with locals 25{ 26 _stk(*PC, *SP, linkreg(0), 1); 27} 28 29defn gpr() // print general purpose registers 30{ 31 print("R1\t", *R1, " R2\t", *R2, " R3\t", *R3, "\n"); 32 print("R4\t", *R4, " R5\t", *R5, " R6\t", *R6, "\n"); 33 print("R7\t", *R7, " R8\t", *R8, " R9\t", *R9, "\n"); 34 print("R10\t", *R10, " R11\t", *R11, " R12\t", *R12, "\n"); 35 print("R13\t", *R13, " R14\t", *R14, " R15\t", *R15, "\n"); 36 print("R16\t", *R16, " R17\t", *R17, " R18\t", *R18, "\n"); 37 print("R19\t", *R19, " R20\t", *R20, " R21\t", *R21, "\n"); 38 print("R22\t", *R22, " R23\t", *R23, " R24\t", *R24, "\n"); 39 print("R25\t", *R25, " R26\t", *R26, " R27\t", *R27, "\n"); 40 print("R28\t", *R28, " R29\t", *SP, " R30\t", *R30, "\n"); 41 print("R31\t", *R31, "\n"); 42} 43 44defn Fpr() 45{ 46 print("F0\t", *fmt(F0, 'G'), "\tF2\t", *fmt(F2, 'G'), "\n"); 47 print("F4\t", *fmt(F4, 'G'), "\tF6\t", *fmt(F6, 'G'), "\n"); 48 print("F8\t", *fmt(F8, 'G'), "\tF10\t", *fmt(F10, 'G'), "\n"); 49 print("F12\t", *fmt(F12, 'G'), "\tF14\t", *fmt(F14, 'G'), "\n"); 50 print("F16\t", *fmt(F16, 'G'), "\tF18\t", *fmt(F18, 'G'), "\n"); 51 print("F20\t", *fmt(F20, 'G'), "\tF22\t", *fmt(F22, 'G'), "\n"); 52 print("F24\t", *fmt(F24, 'G'), "\tF26\t", *fmt(F26, 'G'), "\n"); 53 print("F28\t", *fmt(F28, 'G'), "\tF30\t", *fmt(F30, 'G'), "\n"); 54} 55 56defn fpr() 57{ 58 print("F0\t", *fmt(F0, 'g'), "\tF1\t", *fmt(F1, 'g'), "\n"); 59 print("F2\t", *fmt(F2, 'g'), "\tF3\t", *fmt(F3, 'g'), "\n"); 60 print("F4\t", *fmt(F4, 'g'), "\tF5\t", *fmt(F5, 'g'), "\n"); 61 print("F6\t", *fmt(F6, 'g'), "\tF7\t", *fmt(F7, 'g'), "\n"); 62 print("F8\t", *fmt(F8, 'g'), "\tF9\t", *fmt(F9, 'g'), "\n"); 63 print("F10\t", *fmt(F10, 'g'), "\tF11\t", *fmt(F11, 'g'), "\n"); 64 print("F12\t", *fmt(F12, 'g'), "\tF13\t", *fmt(F13, 'g'), "\n"); 65 print("F14\t", *fmt(F14, 'g'), "\tF15\t", *fmt(F15, 'g'), "\n"); 66 print("F16\t", *fmt(F16, 'g'), "\tF17\t", *fmt(F17, 'g'), "\n"); 67 print("F18\t", *fmt(F18, 'g'), "\tF19\t", *fmt(F19, 'g'), "\n"); 68 print("F20\t", *fmt(F20, 'g'), "\tF21\t", *fmt(F21, 'g'), "\n"); 69 print("F22\t", *fmt(F22, 'g'), "\tF23\t", *fmt(F23, 'g'), "\n"); 70 print("F24\t", *fmt(F24, 'g'), "\tF25\t", *fmt(F25, 'g'), "\n"); 71 print("F26\t", *fmt(F26, 'g'), "\tF27\t", *fmt(F27, 'g'), "\n"); 72 print("F28\t", *fmt(F28, 'g'), "\tF29\t", *fmt(F29, 'g'), "\n"); 73 print("F30\t", *fmt(F30, 'g'), "\tF31\t", *fmt(F31, 'g'), "\n"); 74} 75 76defn spr() // print special processor registers 77{ 78 local pc, link, cause; 79 80 pc = *PC; 81 print("PC\t", pc, " ", fmt(pc, 'a'), " "); 82 pfl(pc); 83 84 link = *R1; 85 print("SP\t", *SP, "\tLINK\t", link, " ", fmt(link, 'a'), " "); 86 pfl(link); 87 88 cause = *CAUSE; 89 print("STATUS\t", *STATUS, "\tMCAUSE\t", mcause, " ", reason(mcause), "\n"); 90// print("TLBVIR\t", *TLBVIRT, "\tBADVADR\t", *BADVADDR, "\n"); 91} 92 93defn regs() // print all registers 94{ 95 spr(); 96 gpr(); 97} 98 99defn pstop(pid) 100{ 101 local l, pc; 102 103 pc = *PC; 104 105 print(pid,": ", reason(*MCAUSE), "\t"); 106 print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n"); 107 108 if notes then { 109 if notes[0] != "sys: breakpoint" then { 110 print("Notes pending:\n"); 111 l = notes; 112 while l do { 113 print("\t", head l, "\n"); 114 l = tail l; 115 } 116 } 117 } 118} 119 120sizeofUreg = 148; 121aggr Ureg 122{ 123 { 124 'U' 0 pc; 125 'a' 0 regs; 126 }; 127 'U' 4 r1; 128 { 129 'U' 8 r2; 130 'U' 8 sp; 131 'U' 8 usp; 132 }; 133 'U' 12 r3; 134 'U' 16 r4; 135 'U' 20 r5; 136 'U' 24 r6; 137 'U' 28 r7; 138 { 139 'U' 32 r8; 140 'U' 32 arg; 141 'U' 32 ret; 142 }; 143 'U' 36 r9; 144 'U' 40 r10; 145 'U' 44 r11; 146 'U' 48 r12; 147 'U' 52 r13; 148 'U' 56 r14; 149 'U' 60 r15; 150 'U' 64 r16; 151 'U' 68 r17; 152 'U' 72 r18; 153 'U' 76 r19; 154 'U' 80 r20; 155 'U' 84 r21; 156 'U' 88 r22; 157 'U' 92 r23; 158 'U' 96 r24; 159 'U' 100 r25; 160 'U' 104 r26; 161 'U' 108 r27; 162 'U' 112 r28; 163 'U' 116 r29; 164 'U' 120 r30; 165 'U' 124 r31; 166 'U' 128 status; 167 'U' 132 ie; 168 { 169 'U' 136 cause; 170 'U' 136 type; 171 }; 172 'U' 140 tval; 173 'U' 144 curmode; 174}; 175 176defn 177Ureg(addr) { 178 complex Ureg addr; 179 print(" status ", addr.status, "\n"); 180 print(" pc ", addr.pc, "\n"); 181 print(" sp ", addr.sp, "\n"); 182 print(" cause ", addr.cause, "\n"); 183 print(" badvaddr ", addr.tval, "\n"); 184// print(" hi ", addr.hi, "\n"); 185// print(" lo ", addr.lo, "\n"); 186 print(" r31 ", addr.r31, "\n"); 187 print(" r30 ", addr.r30, "\n"); 188 print(" r28 ", addr.r28, "\n"); 189 print(" r27 ", addr.r27, "\n"); 190 print(" r26 ", addr.r26, "\n"); 191 print(" r25 ", addr.r25, "\n"); 192 print(" r24 ", addr.r24, "\n"); 193 print(" r23 ", addr.r23, "\n"); 194 print(" r22 ", addr.r22, "\n"); 195 print(" r21 ", addr.r21, "\n"); 196 print(" r20 ", addr.r20, "\n"); 197 print(" r19 ", addr.r19, "\n"); 198 print(" r18 ", addr.r18, "\n"); 199 print(" r17 ", addr.r17, "\n"); 200 print(" r16 ", addr.r16, "\n"); 201 print(" r15 ", addr.r15, "\n"); 202 print(" r14 ", addr.r14, "\n"); 203 print(" r13 ", addr.r13, "\n"); 204 print(" r12 ", addr.r12, "\n"); 205 print(" r11 ", addr.r11, "\n"); 206 print(" r10 ", addr.r10, "\n"); 207 print(" r9 ", addr.r9, "\n"); 208 print(" r8 ", addr.r8, "\n"); 209 print(" r7 ", addr.r7, "\n"); 210 print(" r6 ", addr.r6, "\n"); 211 print(" r5 ", addr.r5, "\n"); 212 print(" r4 ", addr.r4, "\n"); 213 print(" r3 ", addr.r3, "\n"); 214 print(" r2 ", addr.r2, "\n"); 215 print(" r1 ", addr.r1, "\n"); 216}; 217 218defn linkreg(addr) 219{ 220 complex Ureg addr; 221 return addr.r1\X; 222} 223 224print("/sys/lib/acid/riscv"); 225