diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/gdbstub/gdbstub.cpp | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/src/core/gdbstub/gdbstub.cpp b/src/core/gdbstub/gdbstub.cpp index 003ce4167..3a2445241 100644 --- a/src/core/gdbstub/gdbstub.cpp +++ b/src/core/gdbstub/gdbstub.cpp @@ -57,9 +57,8 @@ const u32 MSG_WAITALL = 8; const u32 R0_REGISTER = 0; const u32 R15_REGISTER = 15; -const u32 CSPR_REGISTER = 25; +const u32 CPSR_REGISTER = 25; const u32 FPSCR_REGISTER = 58; -const u32 MAX_REGISTERS = 90; namespace GDBStub { @@ -472,10 +471,10 @@ static void ReadRegister() { if (id >= R0_REGISTER && id <= R15_REGISTER) { IntToGdbHex(reply, Core::g_app_core->GetReg(id)); - } else if (id == CSPR_REGISTER) { + } else if (id == CPSR_REGISTER) { IntToGdbHex(reply, Core::g_app_core->GetCPSR()); - } else if (id > CSPR_REGISTER && id < FPSCR_REGISTER) { - IntToGdbHex(reply, Core::g_app_core->GetVFPReg(id - CSPR_REGISTER - 1)); // VFP registers should start at 26, so one after CSPR_REGISTER + } else if (id > CPSR_REGISTER && id < FPSCR_REGISTER) { + IntToGdbHex(reply, Core::g_app_core->GetVFPReg(id - CPSR_REGISTER - 1)); // VFP registers should start at 26, so one after CSPR_REGISTER } else if (id == FPSCR_REGISTER) { IntToGdbHex(reply, Core::g_app_core->GetVFPSystemReg(VFP_FPSCR)); // Get FPSCR IntToGdbHex(reply + 8, 0); @@ -492,21 +491,25 @@ static void ReadRegisters() { memset(buffer, 0, sizeof(buffer)); u8* bufptr = buffer; - for (int i = 0, reg = 0; i <= MAX_REGISTERS; i++, reg++) { - if (i <= R15_REGISTER) { + for (int i = 0, reg = 0; reg <= FPSCR_REGISTER; i++, reg++) { + if (reg <= R15_REGISTER) { IntToGdbHex(bufptr + i * CHAR_BIT, Core::g_app_core->GetReg(reg)); - } else if (i == CSPR_REGISTER) { + } else if (reg == CPSR_REGISTER) { IntToGdbHex(bufptr + i * CHAR_BIT, Core::g_app_core->GetCPSR()); - } else if (i < CSPR_REGISTER) { + } else if (reg == CPSR_REGISTER - 1) { + // Dummy FPA register, ignore + IntToGdbHex(bufptr + i * CHAR_BIT, 0); + } else if (reg < CPSR_REGISTER) { + // Dummy FPA registers, ignore IntToGdbHex(bufptr + i * CHAR_BIT, 0); IntToGdbHex(bufptr + (i + 1) * CHAR_BIT, 0); - i++; // These registers seem to be all 64bit instead of 32bit, so skip two instead of one - reg++; - } else if (i > CSPR_REGISTER && i < MAX_REGISTERS) { - IntToGdbHex(bufptr + i * CHAR_BIT, Core::g_app_core->GetVFPReg(reg - CSPR_REGISTER - 1)); + IntToGdbHex(bufptr + (i + 2) * CHAR_BIT, 0); + i += 2; + } else if (reg > CPSR_REGISTER && reg < FPSCR_REGISTER) { + IntToGdbHex(bufptr + i * CHAR_BIT, Core::g_app_core->GetVFPReg(reg - CPSR_REGISTER - 1)); IntToGdbHex(bufptr + (i + 1) * CHAR_BIT, 0); i++; - } else if (i == MAX_REGISTERS) { + } else if (reg == FPSCR_REGISTER) { IntToGdbHex(bufptr + i * CHAR_BIT, Core::g_app_core->GetVFPSystemReg(VFP_FPSCR)); } } @@ -527,10 +530,10 @@ static void WriteRegister() { if (id >= R0_REGISTER && id <= R15_REGISTER) { Core::g_app_core->SetReg(id, GdbHexToInt(buffer_ptr)); - } else if (id == CSPR_REGISTER) { + } else if (id == CPSR_REGISTER) { Core::g_app_core->SetCPSR(GdbHexToInt(buffer_ptr)); - } else if (id > CSPR_REGISTER && id < FPSCR_REGISTER) { - Core::g_app_core->SetVFPReg(id - CSPR_REGISTER - 1, GdbHexToInt(buffer_ptr)); + } else if (id > CPSR_REGISTER && id < FPSCR_REGISTER) { + Core::g_app_core->SetVFPReg(id - CPSR_REGISTER - 1, GdbHexToInt(buffer_ptr)); } else if (id == FPSCR_REGISTER) { Core::g_app_core->SetVFPSystemReg(VFP_FPSCR, GdbHexToInt(buffer_ptr)); } else { @@ -547,18 +550,20 @@ static void WriteRegisters() { if (command_buffer[0] != 'G') return SendReply("E01"); - for (int i = 0, reg = 0; i <= MAX_REGISTERS; i++, reg++) { - if (i <= R15_REGISTER) { + for (int i = 0, reg = 0; reg <= FPSCR_REGISTER; i++, reg++) { + if (reg <= R15_REGISTER) { Core::g_app_core->SetReg(reg, GdbHexToInt(buffer_ptr + i * CHAR_BIT)); - } else if (i == CSPR_REGISTER) { + } else if (reg == CPSR_REGISTER) { Core::g_app_core->SetCPSR(GdbHexToInt(buffer_ptr + i * CHAR_BIT)); - } else if (i < CSPR_REGISTER) { - i++; // These registers seem to be all 64bit instead of 32bit, so skip two instead of one - reg++; - } else if (i > CSPR_REGISTER && i < MAX_REGISTERS) { - Core::g_app_core->SetVFPReg(reg - CSPR_REGISTER - 1, GdbHexToInt(buffer_ptr + i * CHAR_BIT)); + } else if (reg == CPSR_REGISTER - 1) { + // Dummy FPA register, ignore + } else if (reg < CPSR_REGISTER) { + // Dummy FPA registers, ignore + i += 2; + } else if (reg > CPSR_REGISTER && reg < FPSCR_REGISTER) { + Core::g_app_core->SetVFPReg(reg - CPSR_REGISTER - 1, GdbHexToInt(buffer_ptr + i * CHAR_BIT)); i++; // Skip padding - } else if (i == MAX_REGISTERS) { + } else if (reg == FPSCR_REGISTER) { Core::g_app_core->SetVFPSystemReg(VFP_FPSCR, GdbHexToInt(buffer_ptr + i * CHAR_BIT)); } } |