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Debugger: Add CLI function for writing a register

This commit is contained in:
Jeffrey Pfau 2015-02-22 17:33:35 -08:00
parent c1261a5b74
commit 27c4308ef5
2 changed files with 20 additions and 0 deletions
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1
CHANGES
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@ -25,6 +25,7 @@ Features:
- Cheat code support
- Debugger: Add CLI functions for examining memory regions
- Runtime configurable audio driver
- Debugger: Add CLI function for writing a register
Bugfixes:
- ARM7: Extend prefetch by one stage
- GBA Audio: Support 16-bit writes to FIFO audio

19
src/debugger/cli-debugger.c
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@ -42,6 +42,7 @@ static void _setWatchpoint(struct CLIDebugger*, struct CLIDebugVector*);
static void _writeByte(struct CLIDebugger*, struct CLIDebugVector*);
static void _writeHalfword(struct CLIDebugger*, struct CLIDebugVector*);
static void _writeWord(struct CLIDebugger*, struct CLIDebugVector*);
static void _writeRegister(struct CLIDebugger*, struct CLIDebugVector*);
static void _dumpByte(struct CLIDebugger*, struct CLIDebugVector*);
static void _dumpHalfword(struct CLIDebugger*, struct CLIDebugVector*);
static void _dumpWord(struct CLIDebugger*, struct CLIDebugVector*);
@ -92,6 +93,7 @@ static struct CLIDebuggerCommandSummary _debuggerCommands[] = {
{ "w/1", _writeByte, CLIDVParse, "Write a byte at a specified offset" },
{ "w/2", _writeHalfword, CLIDVParse, "Write a halfword at a specified offset" },
{ "w/4", _writeWord, CLIDVParse, "Write a word at a specified offset" },
{ "w/r", _writeRegister, CLIDVParse, "Write a register" },
{ "x/1", _dumpByte, CLIDVParse, "Examine bytes at a specified offset" },
{ "x/2", _dumpHalfword, CLIDVParse, "Examine halfwords at a specified offset" },
{ "x/4", _dumpWord, CLIDVParse, "Examine words at a specified offset" },
@ -394,6 +396,23 @@ static void _writeWord(struct CLIDebugger* debugger, struct CLIDebugVector* dv)
debugger->d.cpu->memory.store32(debugger->d.cpu, address, value, 0);
}
static void _writeRegister(struct CLIDebugger* debugger, struct CLIDebugVector* dv) {
if (!dv || dv->type != CLIDV_INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);
return;
}
if (!dv->next || dv->next->type != CLIDV_INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);
return;
}
uint32_t regid = dv->intValue;
uint32_t value = dv->next->intValue;
if (regid >= ARM_PC) {
return;
}
debugger->d.cpu->gprs[regid] = value;
}
static void _dumpByte(struct CLIDebugger* debugger, struct CLIDebugVector* dv) {
if (!dv || dv->type != CLIDV_INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);