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https://github.com/Print-and-Panic/Microtransactions64.git
synced 2026-01-21 10:17:19 -08:00
idk what i changed but it should be ready now
This commit is contained in:
someone2639
@@ -18,6 +18,7 @@ enum crashPages {
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PAGE_CONTEXT,
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PAGE_LOG,
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PAGE_STACKTRACE,
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PAGE_DISASM,
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PAGE_COUNT
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};
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@@ -193,19 +194,16 @@ void draw_crash_context(OSThread *thread, s32 cause)
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{
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__OSThreadContext *tc = &thread->context;
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crash_screen_draw_rect(25, 20, 270, 25);
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crash_screen_print(30, 25, "THREAD:%d (%s)", thread->id, gCauseDesc[cause]);
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crash_screen_print(30, 35, "PC:%08XH SR:%08XH VA:%08XH", tc->pc, tc->sr, tc->badvaddr);
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crash_screen_draw_rect(15, 20, 270, 210);
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crash_screen_print(30, 20, "THREAD:%d (%s)", thread->id, gCauseDesc[cause]);
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crash_screen_print(30, 30, "PC:%08XH SR:%08XH VA:%08XH", tc->pc, tc->sr, tc->badvaddr);
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osWritebackDCacheAll();
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crash_screen_draw_rect(25, 45, 270, 185);
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if ((u32)parse_map == 0x80345678) {
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crash_screen_print(30, 50, "AT:%08XH V0:%08XH V1:%08XH", (u32) tc->at, (u32) tc->v0,
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(u32) tc->v1);
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} else {
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crash_screen_draw_rect(15, 45, 270, 185);
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if ((u32)parse_map != 0x80345678) {
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char *fname = parse_map(tc->pc);
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crash_screen_print(30, 50, "CRASH AT: %s", fname == NULL ? "UNKNOWN" : fname);
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crash_screen_print(30, 40, "CRASH AT: %s", fname == NULL ? "UNKNOWN" : fname);
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}
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// crash_screen_print(30, 50, "AT:%08XH V0:%08XH V1:%08XH", (u32) tc->at, (u32) tc->v0, (u32) tc->v1);
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crash_screen_print(30, 50, "AT:%08XH V0:%08XH V1:%08XH", (u32) tc->at, (u32) tc->v0, (u32) tc->v1);
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crash_screen_print(30, 60, "A0:%08XH A1:%08XH A2:%08XH", (u32) tc->a0, (u32) tc->a1, (u32) tc->a2);
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crash_screen_print(30, 70, "A3:%08XH T0:%08XH T1:%08XH", (u32) tc->a3, (u32) tc->t0, (u32) tc->t1);
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crash_screen_print(30, 80, "T2:%08XH T3:%08XH T4:%08XH", (u32) tc->t2, (u32) tc->t3, (u32) tc->t4);
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@@ -263,7 +261,7 @@ void draw_stacktrace(OSThread *thread, UNUSED s32 cause) {
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__OSThreadContext *tc = &thread->context;
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u32 temp_sp = tc->sp + 0x14;
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crash_screen_draw_rect(25, 20, 270, 25);
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crash_screen_draw_rect(25, 20, 270, 210);
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crash_screen_print(30, 25, "STACK TRACE FROM %08X:", temp_sp);
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if ((u32) parse_map == 0x80345678) {
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crash_screen_print(30, 35, "CURRFUNC: NONE");
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@@ -290,8 +288,31 @@ void draw_stacktrace(OSThread *thread, UNUSED s32 cause) {
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}
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}
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}
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}
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static u32 sProgramPosition = 0;
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void draw_disasm(OSThread *thread) {
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__OSThreadContext *tc = &thread->context;
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// u32 insn = *(u32*)tc->pc;
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crash_screen_draw_rect(25, 20, 270, 210);
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if (sProgramPosition == 0) {
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sProgramPosition = tc->pc - 36;
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}
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crash_screen_print(30, 25, "DISASM %08X", sProgramPosition);
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osWritebackDCacheAll();
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for (int i = 0; i < 19; i++) {
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u32 addr = sProgramPosition + (i * 4);
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u32 toDisasm = *(u32*)(addr);
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crash_screen_print(30, 35 + (i * 10), "%s", insn_disasm(toDisasm, addr == tc->pc));
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}
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osWritebackDCacheAll();
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}
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@@ -321,6 +342,14 @@ void draw_crash_screen(OSThread *thread)
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crashPage--;
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updateBuffer = TRUE;
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}
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if (gPlayer1Controller->buttonDown & D_CBUTTONS) {
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sProgramPosition += 4;
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updateBuffer = TRUE;
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}
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if (gPlayer1Controller->buttonDown & U_CBUTTONS) {
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sProgramPosition -= 4;
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updateBuffer = TRUE;
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}
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if (crashPage >= PAGE_COUNT && crashPage != 255)
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crashPage = 0;
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@@ -336,6 +365,7 @@ void draw_crash_screen(OSThread *thread)
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case PAGE_CONTEXT: draw_crash_context(thread, cause); break;
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case PAGE_LOG: draw_crash_log(); break;
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case PAGE_STACKTRACE: draw_stacktrace(thread, cause); break;
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case PAGE_DISASM: draw_disasm(thread); break;
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}
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osWritebackDCacheAll();
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168
src/game/insn_disasm.c
Normal file
168
src/game/insn_disasm.c
Normal file
@@ -0,0 +1,168 @@
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#include <PR/ultratypes.h>
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#include "macros.h"
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#include "farcall.h"
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enum InsnTypes {
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R_TYPE,
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I_TYPE,
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J_TYPE,
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};
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enum ParamTypes {
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PARAM_NONE,
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PARAM_SWAP_RS_IMM,
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PARAM_JAL,
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PARAM_JR,
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PARAM_LUI,
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};
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extern far char *parse_map(u32);
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static char insn_as_string[100];
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typedef struct __attribute__((packed)) {
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u8 rd : 5;
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u8 shift_amt : 5;
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u8 function : 6;
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} RTypeData;
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typedef struct __attribute__((packed)) {
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u8 opcode : 6;
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u8 rs : 5;
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u8 rt : 5;
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union {
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RTypeData rdata;
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u16 immediate;
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};
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} Insn;
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typedef union {
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Insn i;
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u32 d;
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} InsnData;
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typedef struct __attribute__((packed)) {
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u32 type;
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u32 arbitraryParam;
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u8 opcode : 6;
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u8 function : 6;
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u8 name[10];
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} InsnTemplate;
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InsnTemplate insn_db[] = {
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{R_TYPE, PARAM_NONE, 0, 0b100000, "ADD"},
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{R_TYPE, PARAM_NONE, 0, 0b100001, "ADDU"},
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{I_TYPE, PARAM_SWAP_RS_IMM, 0b001001, 0, "ADDIU"},
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{R_TYPE, PARAM_NONE, 0, 0b100100, "AND"},
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{R_TYPE, PARAM_NONE, 0, 0b011010, "DIV"},
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{R_TYPE, PARAM_NONE, 0, 0b011011, "DIVU"},
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{R_TYPE, PARAM_NONE, 0, 0b001000, "JR"},
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{I_TYPE, PARAM_NONE, 0b101000, 0, "SB"},
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{I_TYPE, PARAM_NONE, 0b100000, 0, "LB"},
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{I_TYPE, PARAM_NONE, 0b100100, 0, "LBU"},
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{I_TYPE, PARAM_NONE, 0b101001, 0, "SH"},
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{I_TYPE, PARAM_NONE, 0b100001, 0, "LH"},
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{I_TYPE, PARAM_NONE, 0b100101, 0, "LHU"},
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{I_TYPE, PARAM_NONE, 0b101011, 0, "SW"},
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{I_TYPE, PARAM_NONE, 0b100011, 0, "LW"},
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{I_TYPE, PARAM_LUI, 0b001111, 0, "LUI"},
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// branches
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{I_TYPE, PARAM_SWAP_RS_IMM, 0b000100, 0, "BEQ"},
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{I_TYPE, PARAM_SWAP_RS_IMM, 0b000101, 0, "BNE"},
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{R_TYPE, PARAM_NONE, 0, 0b110100, "TEQ"},
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{R_TYPE, PARAM_NONE, 0, 0b001001, "JALR"},
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// jal (special)
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{J_TYPE, PARAM_JAL, 0b000011, 0, "JAL"}
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};
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char registerMaps[][4] = {
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"$R0",
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"$AT",
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"$V0", "$V1",
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"$A0", "$A1", "$A2", "$A3",
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"$T0", "$T1", "$T2", "$T3", "$T4", "$T5", "$T6", "$T7",
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"$S0", "$S1", "$S2", "$S3", "$S4", "$S5", "$S6", "$S7",
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"$T8", "$T9",
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"$K0", "$K1",
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"$GP", "$SP", "$FP", "$RA",
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};
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char *insn_disasm(InsnData insn, u32 isPC) {
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char *strp = &insn_as_string[0];
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int successful_print = 0;
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if (insn.d == 0) { // trivial case
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if (isPC)
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return "NOP <-- CRASH";
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else
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return "NOP";
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}
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for (int i = 0; i < ARRAY_COUNT(insn_as_string); i++) insn_as_string[i] = 0;
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for (int i = 0; i < ARRAY_COUNT(insn_db); i++) {
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if (insn.i.opcode != 0 && insn.i.opcode == insn_db[i].opcode) {
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switch (insn_db[i].arbitraryParam) {
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case PARAM_SWAP_RS_IMM:
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strp += sprintf(strp, "%-8s %s %s %04X", insn_db[i].name,
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registerMaps[insn.i.rt],
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registerMaps[insn.i.rs],
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insn.i.immediate
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); break;
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case PARAM_LUI:
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strp += sprintf(strp, "%-8s %s %04X", insn_db[i].name,
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registerMaps[insn.i.rt],
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insn.i.immediate
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); break;
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break;
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case PARAM_JAL:
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u32 target = 0x80000000 | ((insn.d & 0x1FFFFFF) * 4);
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if ((u32)parse_map != 0x80345678) {
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strp += sprintf(strp, "%-8s %s", insn_db[i].name,
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parse_map(target)
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);
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} else {
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strp += sprintf(strp, "%-8s %08X", insn_db[i].name,
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target
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);
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}
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break;
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case PARAM_NONE:
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strp += sprintf(strp, "%-8s %s %04X (%s)", insn_db[i].name,
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registerMaps[insn.i.rt],
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insn.i.immediate,
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registerMaps[insn.i.rs]
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); break;
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}
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successful_print = 1;
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break;
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}
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else if (insn.i.rdata.function != 0 && insn.i.rdata.function == insn_db[i].function) {
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strp += sprintf(strp, "%-8s %s %s %s", insn_db[i].name,
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registerMaps[insn.i.rdata.rd],
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registerMaps[insn.i.rs],
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registerMaps[insn.i.rt]
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);
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successful_print = 1;
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break;
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}
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}
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if (successful_print == 0) {
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strp += sprintf(strp, "unimpl %08X", insn.d);
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}
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if (isPC) {
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sprintf(strp, " <-- CRASH");
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}
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return insn_as_string;
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}
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