/* $NetBSD: minidebug.c,v 1.21 2011/08/18 21:04:23 matt Exp $ */ /* $OpenBSD: minidebug.c,v 1.2 1998/03/16 09:03:36 pefo Exp $ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)kadb.c 8.1 (Berkeley) 6/10/93 */ /* * Define machine dependent primitives for mdb. */ #include __KERNEL_RCSID(0, "$NetBSD: minidebug.c,v 1.21 2011/08/18 21:04:23 matt Exp $"); #include #include #include #include #include #undef SP #include #include #include #include #include #include #include #include static char *op_name[64] = { /* 0 */ "spec", "bcond","j", "jal", "beq", "bne", "blez", "bgtz", /* 8 */ "addi", "addiu","slti", "sltiu","andi", "ori", "xori", "lui", /*16 */ "cop0", "cop1", "cop2", "cop3", "beql", "bnel", "blezl","bgtzl", /*24 */ "daddi","daddiu","ldl", "ldr", "op34", "op35", "op36", "op37", /*32 */ "lb", "lh", "lwl", "lw", "lbu", "lhu", "lwr", "lwu", /*40 */ "sb", "sh", "swl", "sw", "sdl", "sdr", "swr", "cache", /*48 */ "ll", "lwc1", "lwc2", "lwc3", "lld", "ldc1", "ldc2", "ld", /*56 */ "sc", "swc1", "swc2", "swc3", "scd", "sdc1", "sdc2", "sd" }; static char *spec_name[64] = { /* 0 */ "sll", "spec01","srl", "sra", "sllv", "spec05","srlv","srav", /* 8 */ "jr", "jalr", "spec12","spec13","syscall","break","spec16","sync", /*16 */ "mfhi", "mthi", "mflo", "mtlo", "dsllv","spec25","dsrlv","dsrav", /*24 */ "mult", "multu","div", "divu", "dmult","dmultu","ddiv","ddivu", /*32 */ "add", "addu", "sub", "subu", "and", "or", "xor", "nor", /*40 */ "spec50","spec51","slt","sltu", "dadd","daddu","dsub","dsubu", /*48 */ "tge","tgeu","tlt","tltu","teq","spec65","tne","spec67", /*56 */ "dsll","spec71","dsrl","dsra","dsll32","spec75","dsrl32","dsra32" }; static char *regimm_name[32] = { /* 0 */ "bltz", "bgez", "bltzl", "bgezl", "?", "?", "?", "?", /* 8 */ "tgei", "tgeiu", "tlti", "tltiu", "teqi", "?", "tnei", "?", /*16 */ "bltzal", "bgezal", "bltzall", "bgezall", "?", "?", "?", "?", /*24 */ "?", "?", "?", "?", "?", "?", "?", "?", }; static char *cop1_name[64] = { /* 0 */ "fadd", "fsub", "fmpy", "fdiv", "fsqrt","fabs", "fmov", "fneg", /* 8 */ "fop08","fop09","fop0a","fop0b","fop0c","fop0d","fop0e","fop0f", /*16 */ "fop10","fop11","fop12","fop13","fop14","fop15","fop16","fop17", /*24 */ "fop18","fop19","fop1a","fop1b","fop1c","fop1d","fop1e","fop1f", /*32 */ "fcvts","fcvtd","fcvte","fop23","fcvtw","fop25","fop26","fop27", /*40 */ "fop28","fop29","fop2a","fop2b","fop2c","fop2d","fop2e","fop2f", /*48 */ "fcmp.f","fcmp.un","fcmp.eq","fcmp.ueq","fcmp.olt","fcmp.ult", "fcmp.ole","fcmp.ule", /*56 */ "fcmp.sf","fcmp.ngle","fcmp.seq","fcmp.ngl","fcmp.lt","fcmp.nge", "fcmp.le","fcmp.ngt" }; static char *fmt_name[16] = { "s", "d", "e", "fmt3", "w", "fmt5", "fmt6", "fmt7", "fmt8", "fmt9", "fmta", "fmtb", "fmtc", "fmtd", "fmte", "fmtf" }; static char *reg_name[32] = { "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" }; static char *c0_opname[64] = { "c0op00","tlbr", "tlbwi", "c0op03","c0op04","c0op05","tlbwr", "c0op07", "tlbp", "c0op11","c0op12","c0op13","c0op14","c0op15","c0op16","c0op17", "rfe", "c0op21","c0op22","c0op23","c0op24","c0op25","c0op26","c0op27", "eret","c0op31","c0op32","c0op33","c0op34","c0op35","c0op36","c0op37", "c0op40","c0op41","c0op42","c0op43","c0op44","c0op45","c0op46","c0op47", "c0op50","c0op51","c0op52","c0op53","c0op54","c0op55","c0op56","c0op57", "c0op60","c0op61","c0op62","c0op63","c0op64","c0op65","c0op66","c0op67", "c0op70","c0op71","c0op72","c0op73","c0op74","c0op75","c0op77","c0op77", }; static char *c0_reg[32] = { "index","random","tlblo0","tlblo1","context","tlbmask","wired","c0r7", "badvaddr","count","tlbhi","c0r11","sr","cause","epc", "prid", "config","lladr","watchlo","watchhi","xcontext","c0r21","c0r22","c0r23", "c0r24","c0r25","ecc","cacheerr","taglo","taghi","errepc","c0r31" }; extern u_int mdbpeek(int); extern void mdbpoke(int, int); #ifdef __OpenBSD__ extern void cpu_setwatch(int, int); #endif extern void trapDump(char *); extern void stacktrace(void); extern u_int MachEmulateBranch(int *, int, int, u_int); extern char *trap_type[]; extern int num_tlbentries; static void arc_dump_tlb(int,int); static void prt_break(void); static int mdbprintins(int, int); static void mdbsetsstep(void); static int mdbclrsstep(int); static void print_regs(void); static void break_insert(void); static void break_restore(void); static int break_find(int); void set_break(int va); void del_break(int va); int mdb(int causeReg, int vadr, int p, int kernelmode); struct pcb mdbpcb; int mdbmkfault; #define MAXBRK 10 struct brk { int inst; int addr; } brk_tab[MAXBRK]; /* * Mini debugger for kernel. */ static int gethex(u_int *val, u_int dotval) { u_int c; *val = 0; while((c = cngetc()) != '\e' && c != '\n' && c != '\r') { if(c >= '0' && c <= '9') { *val = (*val << 4) + c - '0'; cnputc(c); } else if(c >= 'a' && c <= 'f') { *val = (*val << 4) + c - 'a' + 10; cnputc(c); } else if(c == '\b') { *val = *val >> 4; printf("\b \b"); } else if(c == ',') { cnputc(c); return c; } else if(c == '.') { *val = dotval; cnputc(c); } } if(c == '\r') c = '\n'; return c; } static void dump(u_int *addr, u_int size) { int cnt; cnt = 0; size = (size + 3) / 4; while (size--) { if ((cnt++ & 3) == 0) printf("\n%08x: ",(int)addr); printf("%08x ",*addr++); } } static void print_regs(void) { printf("\n"); printf("T0-7 %08x %08x %08x %08x %08x %08x %08x %08x\n", mdbpcb.pcb_regs[T0],mdbpcb.pcb_regs[T1], mdbpcb.pcb_regs[T2],mdbpcb.pcb_regs[T3], mdbpcb.pcb_regs[T4],mdbpcb.pcb_regs[T5], mdbpcb.pcb_regs[T6],mdbpcb.pcb_regs[T7]); printf("T8-9 %08x %08x A0-4 %08x %08x %08x %08x\n", mdbpcb.pcb_regs[T8],mdbpcb.pcb_regs[T9], mdbpcb.pcb_regs[A0],mdbpcb.pcb_regs[A1], mdbpcb.pcb_regs[A2],mdbpcb.pcb_regs[A3]); printf("S0-7 %08x %08x %08x %08x %08x %08x %08x %08x\n", mdbpcb.pcb_regs[S0],mdbpcb.pcb_regs[S1], mdbpcb.pcb_regs[S2],mdbpcb.pcb_regs[S3], mdbpcb.pcb_regs[S4],mdbpcb.pcb_regs[S5], mdbpcb.pcb_regs[S6],mdbpcb.pcb_regs[S7]); printf(" S8 %08x V0-1 %08x %08x GP %08x SP %08x\n", mdbpcb.pcb_regs[S8],mdbpcb.pcb_regs[V0], mdbpcb.pcb_regs[V1],mdbpcb.pcb_regs[GP], mdbpcb.pcb_regs[SP]); printf(" AT %08x PC %08x RA %08x SR %08x", mdbpcb.pcb_regs[AST],mdbpcb.pcb_regs[PC], mdbpcb.pcb_regs[RA],mdbpcb.pcb_regs[SR]); } void set_break(int va) { int i; va = va & ~3; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr == 0) { brk_tab[i].addr = va; brk_tab[i].inst = *(u_int *)va; return; } } printf(" Break table full!!"); } void del_break(int va) { int i; va = va & ~3; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr == va) { brk_tab[i].addr = 0; return; } } printf(" Break to remove not found!!"); } static void break_insert(void) { int i; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr != 0) { brk_tab[i].inst = *(u_int *)brk_tab[i].addr; *(u_int *)brk_tab[i].addr = MIPS_BREAK_BRKPT; mips3_FlushDCache(brk_tab[i].addr,4); mips3_FlushICache(brk_tab[i].addr,4); } } } static void break_restore(void) { int i; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr != 0) { *(u_int *)brk_tab[i].addr = brk_tab[i].inst; mips3_FlushDCache(brk_tab[i].addr,4); mips3_FlushICache(brk_tab[i].addr,4); } } } static int break_find(int va) { int i; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr == va) { return i; } } return -1; } void prt_break(void) { int i; for (i = 0; i < MAXBRK; i++) { if (brk_tab[i].addr != 0) { printf("\n %08x\t", brk_tab[i].addr); mdbprintins(brk_tab[i].inst, brk_tab[i].addr); } } } int mdb(int causeReg, int vadr, int p, int kernelmode) { int c; int newaddr; int size; int cause; static int ssandrun; /* Single step and run flag (when cont at brk) */ splhigh(); cause = (causeReg & MIPS3_CR_EXC_CODE) >> MIPS_CR_EXC_CODE_SHIFT; newaddr = (int)(mdbpcb.pcb_regs[PC]); switch (cause) { case T_BREAK: if (*(int *)newaddr == MIPS_BREAK_SOVER) { break_restore(); mdbpcb.pcb_regs[PC] += 4; printf("\nStop break (panic)\n# "); printf(" %08x\t",newaddr); mdbprintins(*(int *)newaddr, newaddr); printf("\n# "); break; } if (*(int *)newaddr == MIPS_BREAK_BRKPT) { break_restore(); printf("\rBRK %08x\t",newaddr); if(mdbprintins(*(int *)newaddr, newaddr)) { newaddr += 4; printf("\n %08x\t",newaddr); mdbprintins(*(int *)newaddr, newaddr); } printf("\n# "); break; } if (mdbclrsstep(causeReg)) { if (ssandrun) { /* Step over bp before free run */ ssandrun = 0; break_insert(); return true; } printf("\r %08x\t",newaddr); if(mdbprintins(*(int *)newaddr, newaddr)) { newaddr += 4; printf("\n %08x\t",newaddr); mdbprintins(*(int *)newaddr, newaddr); } printf("\n# "); } break; default: printf("\n-- %s --\n# ",trap_type[cause]); } ssandrun = 0; break_restore(); while (1) { c = cngetc(); switch (c) { case 'T': trapDump("Debugger"); break; case 'b': printf("break-"); c = cngetc(); switch (c) { case 's': printf("set at "); c = gethex(&newaddr, newaddr); if(c != '\e') { set_break(newaddr); } break; case 'd': printf("delete at "); c = gethex(&newaddr, newaddr); if(c != '\e') { del_break(newaddr); } break; case 'p': printf("print"); prt_break(); break; } break; case 'r': print_regs(); break; case 'I': printf("Instruction at "); c = gethex(&newaddr, newaddr); while (c != '\e') { printf("\n %08x\t",newaddr); mdbprintins(*(int *)newaddr, newaddr); newaddr += 4; c = cngetc(); } break; case 'c': printf("continue"); if(break_find((int)(mdbpcb.pcb_regs[PC])) >= 0) { ssandrun = 1; mdbsetsstep(); } else { break_insert(); } return true; case 'S': printf("Stack traceback:\n"); stacktrace(); return true; case 's': set_break(mdbpcb.pcb_regs[PC] + 8); return true; case ' ': mdbsetsstep(); return true; case 'd': printf("dump "); c = gethex(&newaddr, newaddr); if(c == ',') { c = gethex(&size,256); } else { size = 16; } if(c == '\n' && newaddr != 0) { dump((u_int *)newaddr, size); newaddr += size; } break; case 'm': printf("mod "); c = gethex(&newaddr, newaddr); while(c == ',') { c = gethex(&size, 0); if(c != '\e') *((u_int *)newaddr)++ = size; } break; case 'i': printf("in-"); c = cngetc(); switch (c) { case 'b': printf("byte "); c = gethex(&newaddr, newaddr); if(c == '\n') { printf("= %02x", *(u_char *)newaddr); } break; case 'h': printf("halfword "); c = gethex(&newaddr, newaddr); if(c == '\n') { printf("= %04x", *(u_short *)newaddr); } break; case 'w': printf("word "); c = gethex(&newaddr, newaddr); if(c == '\n') { printf("= %08x", *(u_int *)newaddr); } break; } break; case 'o': printf("out-"); c = cngetc(); switch (c) { case 'b': printf("byte "); c = gethex(&newaddr, newaddr); if(c == ',') { c = gethex(&size, 0); if(c == '\n') { *(u_char *)newaddr = size; } } break; case 'h': printf("halfword "); c = gethex(&newaddr, newaddr); if(c == ',') { c = gethex(&size, 0); if(c == '\n') { *(u_short *)newaddr = size; } } break; case 'w': printf("word "); c = gethex(&newaddr, newaddr); if(c == ',') { c = gethex(&size, 0); if(c == '\n') { *(u_int *)newaddr = size; } } break; } break; case 't': printf("tlb-dump\n"); arc_dump_tlb(0,23); (void)cngetc(); arc_dump_tlb(24,47); break; case 'f': printf("flush-"); c = cngetc(); switch (c) { case 't': printf("tlb"); mips3_TLBFlush(num_tlbentries); break; case 'c': printf("cache"); mips3_FlushCache(); break; } break; #ifdef __OpenBSD__ case 'w': printf("watch "); c = gethex(&newaddr, newaddr); size = 3; if(c == ',') { c = cngetc(); cnputc(c); if(c == 'r') size = 2; else if(c == 'w') size = 1; else size = 0; } cpu_setwatch(0, (newaddr & ~7) | size); break; #endif default: cnputc('\a'); break; } printf("\n# "); } } u_int mdb_ss_addr; u_int mdb_ss_instr; static void mdbsetsstep(void) { u_int va; int *locr0 = mdbpcb.pcb_regs; /* compute next address after current location */ if (mdbpeek(locr0[PC]) != 0) { va = MachEmulateBranch(locr0, locr0[PC], 0, mdbpeek(locr0[PC])); } else { va = locr0[PC] + 4; } if (mdb_ss_addr) { printf("mdbsetsstep: breakpoint already set at %x (va %x)\n", mdb_ss_addr, va); return; } mdb_ss_addr = va; if ((int)va < 0) { /* kernel address */ mdb_ss_instr = mdbpeek(va); mdbpoke(va, MIPS_BREAK_SSTEP); mips3_FlushDCache(va,4); mips3_FlushICache(va,4); return; } } static int mdbclrsstep(int cr) { u_int pc, va; u_int instr; /* fix pc if break instruction is in the delay slot */ pc = mdbpcb.pcb_regs[PC]; if (cr < 0) pc += 4; /* check to be sure its the one we are expecting */ va = mdb_ss_addr; if (!va || va != pc) return false; /* read break instruction */ instr = mdbpeek(va); if (instr != MIPS_BREAK_SSTEP) return false; if ((int)va < 0) { /* kernel address */ mdbpoke(va, mdb_ss_instr); mips3_FlushDCache(va,4); mips3_FlushICache(va,4); mdb_ss_addr = 0; return true; } printf("can't clear break at %x\n", va); mdb_ss_addr = 0; return false; } /* ARGSUSED */ static int mdbprintins(int ins, int mdbdot) { InstFmt i; int delay = 0; i.word = ins; switch (i.JType.op) { case OP_SPECIAL: if (i.word == 0) { printf("nop"); break; } if (i.RType.func == OP_ADDU && i.RType.rt == 0) { printf("move\t%s,%s", reg_name[i.RType.rd], reg_name[i.RType.rs]); break; } printf("%s", spec_name[i.RType.func]); switch (i.RType.func) { case OP_SLL: case OP_SRL: case OP_SRA: case OP_DSLL: case OP_DSRL: case OP_DSRA: case OP_DSLL32: case OP_DSRL32: case OP_DSRA32: printf("\t%s,%s,%d", reg_name[i.RType.rd], reg_name[i.RType.rt], i.RType.shamt); break; case OP_SLLV: case OP_SRLV: case OP_SRAV: case OP_DSLLV: case OP_DSRLV: case OP_DSRAV: printf("\t%s,%s,%s", reg_name[i.RType.rd], reg_name[i.RType.rt], reg_name[i.RType.rs]); break; case OP_MFHI: case OP_MFLO: printf("\t%s", reg_name[i.RType.rd]); break; case OP_JR: case OP_JALR: delay = 1; /* FALLTHROUGH */ case OP_MTLO: case OP_MTHI: printf("\t%s", reg_name[i.RType.rs]); break; case OP_MULT: case OP_MULTU: case OP_DMULT: case OP_DMULTU: case OP_DIV: case OP_DIVU: case OP_DDIV: case OP_DDIVU: printf("\t%s,%s", reg_name[i.RType.rs], reg_name[i.RType.rt]); break; case OP_SYSCALL: case OP_SYNC: break; case OP_BREAK: printf("\t%d", (i.RType.rs << 5) | i.RType.rt); break; default: printf("\t%s,%s,%s", reg_name[i.RType.rd], reg_name[i.RType.rs], reg_name[i.RType.rt]); }; break; case OP_REGIMM: printf("%s\t%s,", regimm_name[i.IType.rt], reg_name[i.IType.rs]); goto pr_displ; case OP_BLEZ: case OP_BLEZL: case OP_BGTZ: case OP_BGTZL: printf("%s\t%s,", op_name[i.IType.op], reg_name[i.IType.rs]); goto pr_displ; case OP_BEQ: case OP_BEQL: if (i.IType.rs == 0 && i.IType.rt == 0) { printf("b\t"); goto pr_displ; } /* FALLTHROUGH */ case OP_BNE: case OP_BNEL: printf("%s\t%s,%s,", op_name[i.IType.op], reg_name[i.IType.rs], reg_name[i.IType.rt]); pr_displ: delay = 1; printf("0x%08x", mdbdot + 4 + ((short)i.IType.imm << 2)); break; case OP_COP0: switch (i.RType.rs) { case OP_BCx: case OP_BCy: printf("bc0%c\t", "ft"[i.RType.rt & COPz_BC_TF_MASK]); goto pr_displ; case OP_MT: printf("mtc0\t%s,%s", reg_name[i.RType.rt], c0_reg[i.RType.rd]); break; case OP_DMT: printf("dmtc0\t%s,%s", reg_name[i.RType.rt], c0_reg[i.RType.rd]); break; case OP_MF: printf("mfc0\t%s,%s", reg_name[i.RType.rt], c0_reg[i.RType.rd]); break; case OP_DMF: printf("dmfc0\t%s,%s", reg_name[i.RType.rt], c0_reg[i.RType.rd]); break; default: printf("%s", c0_opname[i.FRType.func]); }; break; case OP_COP1: switch (i.RType.rs) { case OP_BCx: case OP_BCy: printf("bc1%c\t", "ft"[i.RType.rt & COPz_BC_TF_MASK]); goto pr_displ; case OP_MT: printf("mtc1\t%s,f%d", reg_name[i.RType.rt], i.RType.rd); break; case OP_MF: printf("mfc1\t%s,f%d", reg_name[i.RType.rt], i.RType.rd); break; case OP_CT: printf("ctc1\t%s,f%d", reg_name[i.RType.rt], i.RType.rd); break; case OP_CF: printf("cfc1\t%s,f%d", reg_name[i.RType.rt], i.RType.rd); break; default: printf("%s.%s\tf%d,f%d,f%d", cop1_name[i.FRType.func], fmt_name[i.FRType.fmt], i.FRType.fd, i.FRType.fs, i.FRType.ft); }; break; case OP_J: case OP_JAL: printf("%s\t", op_name[i.JType.op]); printf("0x%8x",(mdbdot & 0xF0000000) | (i.JType.target << 2)); delay = 1; break; case OP_LWC1: case OP_SWC1: printf("%s\tf%d,", op_name[i.IType.op], i.IType.rt); goto loadstore; case OP_LB: case OP_LH: case OP_LW: case OP_LD: case OP_LBU: case OP_LHU: case OP_LWU: case OP_SB: case OP_SH: case OP_SW: case OP_SD: printf("%s\t%s,", op_name[i.IType.op], reg_name[i.IType.rt]); loadstore: printf("%d(%s)", (short)i.IType.imm, reg_name[i.IType.rs]); break; case OP_ORI: case OP_XORI: if (i.IType.rs == 0) { printf("li\t%s,0x%x", reg_name[i.IType.rt], i.IType.imm); break; } /* FALLTHROUGH */ case OP_ANDI: printf("%s\t%s,%s,0x%x", op_name[i.IType.op], reg_name[i.IType.rt], reg_name[i.IType.rs], i.IType.imm); break; case OP_LUI: printf("%s\t%s,0x%x", op_name[i.IType.op], reg_name[i.IType.rt], i.IType.imm); break; case OP_ADDI: case OP_DADDI: case OP_ADDIU: case OP_DADDIU: if (i.IType.rs == 0) { printf("li\t%s,%d", reg_name[i.IType.rt], (short)i.IType.imm); break; } /* FALLTHROUGH */ default: printf("%s\t%s,%s,%d", op_name[i.IType.op], reg_name[i.IType.rt], reg_name[i.IType.rs], (short)i.IType.imm); } return delay; } /* * Dump TLB contents. */ static void arc_dump_tlb(int first,int last) { int tlbno; struct tlb tlb; tlbno = first; while (tlbno <= last) { mips3_TLBRead(tlbno, &tlb); if (tlb.tlb_lo0 & MIPS3_PG_V || tlb.tlb_lo1 & MIPS3_PG_V) { printf("TLB %2d vad 0x%08x ", tlbno, tlb.tlb_hi); } else { printf("TLB*%2d vad 0x%08x ", tlbno, tlb.tlb_hi); } printf("0=0x%08x ", mips_tlbpfn_to_paddr(tlb.tlb_lo0)); printf("%c", tlb.tlb_lo0 & MIPS3_PG_M ? 'M' : ' '); printf("%c", tlb.tlb_lo0 & MIPS3_PG_G ? 'G' : ' '); printf(" atr %x ", (tlb.tlb_lo0 >> 3) & 7); printf("1=0x%08x ", mips_tlbpfn_to_paddr(tlb.tlb_lo1)); printf("%c", tlb.tlb_lo1 & MIPS3_PG_M ? 'M' : ' '); printf("%c", tlb.tlb_lo1 & MIPS3_PG_G ? 'G' : ' '); printf(" atr %x ", (tlb.tlb_lo1 >> 3) & 7); printf(" sz=%x\n", tlb.tlb_mask); tlbno++; } }