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authorpolaris- <polaris-@users.noreply.github.com>2015-11-21 16:31:02 +0100
committerpolaris- <nagatospam@gmail.com>2015-11-22 13:48:26 +0100
commit2732ec758d56df2abd7fbb117982642696b4ef15 (patch)
treeae9e835ac5c9d056504627777cd82cbf3bdb002d
parentMerge pull request #1237 from Subv/ubos (diff)
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-rw-r--r--src/core/gdbstub/gdbstub.cpp57
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));
}
}