Emulation/mupen64plus-ui-console
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added simple memory writing command to debugger_loop

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Daniel Selifonov 2018-10-13 23:20:55 -07:00
parent 838d4d4f2f
commit cd65527203
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GPG key ID: BC7F39B2DFC02D75
1 changed files with 53 additions and 0 deletions
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53
src/debugger.c
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@ -131,6 +131,19 @@ int debugger_read_8(unsigned int addr) {
return (*DebugMemRead8)(addr);
}
void debugger_write_64(unsigned int addr, unsigned long long value) {
(*DebugMemWrite64)(addr, value);
}
void debugger_write_32(unsigned int addr, unsigned int value) {
(*DebugMemWrite32)(addr, value);
}
void debugger_write_16(unsigned int addr, unsigned short value) {
(*DebugMemWrite16)(addr, value);
}
void debugger_write_8(unsigned int addr, unsigned char value) {
(*DebugMemWrite8)(addr, value);
}
int debugger_print_registers() {
unsigned long long int *regs = (unsigned long long int *) (*DebugGetCPUDataPtr)(M64P_CPU_REG_REG);
if (regs == NULL)
@ -308,6 +321,46 @@ int debugger_loop(void *arg) {
printf("\n");
}
}
else if (strncmp(input, "write", 5) == 0) {
uint32_t writeAddr, size=1;
uint64_t writeVal;
char chSize;
if (sscanf(input, "write %i %c %llx", &writeAddr, &chSize, &writeVal) == 3 &&
(chSize == 'b' || chSize == 'h' || chSize == 'w' || chSize == 'd')) {
if (chSize == 'b') {
size = 1;
} else if (chSize == 'h') {
size = 2;
} else if (chSize == 'w') {
size = 4;
} else {
size = 8;
}
} else if (sscanf(input, "write %i %llx", &writeAddr, &writeVal) == 2) {
} else {
printf("Improperly formatted memory write command: '%s'\n", input);
continue;
}
switch(size) {
case 1:
debugger_write_8(writeAddr, (unsigned char)writeVal);
printf("0x%08x <- 0x%02x\n", writeAddr, (unsigned char)writeVal);
break;
case 2:
debugger_write_16(writeAddr, (unsigned short)writeVal);
printf("0x%08x <- 0x%04x\n", writeAddr, (unsigned short)writeVal);
break;
case 4:
debugger_write_32(writeAddr, (unsigned int)writeVal);
printf("0x%08x <- 0x%08x\n", writeAddr, (unsigned int)writeVal);
break;
case 8:
debugger_write_64(writeAddr, writeVal);
printf("0x%08x <- 0x%016llx\n", writeAddr, writeVal);
break;
}
}
else if (strcmp(input, "bp list") == 0 || strcmp(input, "bp ls") == 0) {
if (num_breakpoints == 0) {
printf("No breakpoints added. Add with 'bp add 0x...'\n");