debugger work
This commit is contained in:
CocoSimone
@@ -2,96 +2,13 @@
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#include <util.hpp>
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#include <map>
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#include <functional>
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#include <cpu/decode.hpp>
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#include <fpu/decode.hpp>
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#include <rsp/decode.hpp>
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#include <cop0/decode.hpp>
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struct Core;
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const std::string gprStr[32] = {
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"zero", "at", "v0", "v1",
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"a0", "a1", "a2", "a3",
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"t0", "t1", "t2", "t3",
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"t4", "t5", "t6", "t7",
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"s0", "s1", "s2", "s3",
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"s4", "s5", "s6", "s7",
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"t8", "t9", "k0", "k1",
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"gp", "sp", "s8", "ra"
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};
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std::string special(u32 instr) {
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u8 mask = (instr & 0x3F);
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u8 sa = (instr >> 6) & 0x1f;
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switch (mask) { // TODO: named constants for clearer code
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case 0:
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if (mask != 0) {
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return fmt::format("sll {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RT(instr)], sa);
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}
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return "nop";
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case 0x02: return fmt::format("srl {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RT(instr)], sa);
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case 0x03: return fmt::format("sra {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RT(instr)], sa);
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case 0x04: return fmt::format("sllv {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x06: return fmt::format("srlv {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x07: return fmt::format("srav {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x08: return fmt::format("jr {}", gprStr[RS(instr)]);
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case 0x09: return fmt::format("jalr {}, {}", gprStr[RD(instr)], gprStr[RS(instr)]);
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case 0x0C: return fmt::format("syscall");
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case 0x0D: return fmt::format("break");
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case 0x0F: return fmt::format("sync");
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case 0x10: return fmt::format("mfhi {}", gprStr[RD(instr)]);
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case 0x11: return fmt::format("mthi {}", gprStr[RS(instr)]);
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case 0x12: return fmt::format("mflo {}", gprStr[RD(instr)]);
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case 0x13: return fmt::format("mtlo {}", gprStr[RS(instr)]);
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case 0x14: return fmt::format("dsllv {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x16: return fmt::format("dsrlv {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x17: return fmt::format("dsrav {}, {}, {}", gprStr[RD(instr)], gprStr[RT(instr)], gprStr[RS(instr)]);
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case 0x18: return fmt::format("mult {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x19: return fmt::format("multu {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1A: return fmt::format("div {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1B: return fmt::format("divu {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1C: return fmt::format("dmult {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1D: return fmt::format("dmultu {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1E: return fmt::format("ddiv {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x1F: return fmt::format("ddivu {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x20: return fmt::format("add {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x21: return fmt::format("addu {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x22: return fmt::format("sub {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x23: return fmt::format("subu {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x24: return fmt::format("and {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x25: return fmt::format("or {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x26: return fmt::format("xor {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x27: return fmt::format("nor {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2A: return fmt::format("slt {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2B: return fmt::format("sltu {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2C: return fmt::format("dadd {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2D: return fmt::format("daddu {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2E: return fmt::format("dsub {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x2F: return fmt::format("dsubu {}, {}, {}", gprStr[RD(instr)], gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x34: return fmt::format("teq {}, {}", gprStr[RS(instr)], gprStr[RT(instr)]);
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case 0x38: return fmt::format("dsll {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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case 0x3A: return fmt::format("dsrl {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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case 0x3B: return fmt::format("dsra {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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case 0x3C: return fmt::format("dsll32 {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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case 0x3E: return fmt::format("dsrl32 {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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case 0x3F: return fmt::format("dsra32 {}, {}, {:02X}", gprStr[RD(instr)], gprStr[RS(instr)], sa);
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default:
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return fmt::format("INVALID ({:08X})\n", instr);
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}
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}
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std::string regimm(u32 instr) {
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u8 mask = ((instr >> 16) & 0x1F);
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// 000r_rccc
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switch (mask) { // TODO: named constants for clearer code
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case 0x00: return fmt::format("bltz {}", gprStr[RS(instr)]);
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case 0x01: return fmt::format("bgez {}", gprStr[RS(instr)]);
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case 0x02: return fmt::format("bltzl {}", gprStr[RS(instr)]);
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case 0x03: return fmt::format("bgezl {}", gprStr[RS(instr)]);
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case 0x10: return fmt::format("bltzal {}", gprStr[RS(instr)]);
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case 0x11: return fmt::format("bgezal {}", gprStr[RS(instr)]);
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case 0x12: return fmt::format("bltzall {}", gprStr[RS(instr)]);
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case 0x13: return fmt::format("bgezall {}", gprStr[RS(instr)]);
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default: return fmt::format("INVALID {:08X}", instr);
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}
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}
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const std::map<u8, std::function<std::string(u32)>> cpuInstr = {
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{0b000000, special},
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{0b000001, regimm},
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@@ -123,10 +40,9 @@ const std::map<u8, std::function<std::string(u32)>> cpuInstr = {
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return fmt::format("xori {}", gprStr[RS(instr)]);
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}}, {0b001111, [](u32 instr) {
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return fmt::format("lui {}", gprStr[RS(instr)]);
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}}, {0b010000, /*cop0decode*/ },
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{0b010001, [](u32 instr) {
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return fmt::format("j {:08X}", instr & 0x3FFFFFF);
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}}, {0b010010, [](u32 instr) {
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}}, {0b010000, cop0decode
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}, {0b010001, cop1decode
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}, {0b010010, [](u32 instr) {
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return fmt::format("j {:08X}", instr & 0x3FFFFFF);
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}}, {0b010011, [](u32 instr) {
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return fmt::format("jal {:08X}", instr & 0x3FFFFFF);
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