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PowerPC: Parametrize CTR macro.

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This commit is contained in:
Admiral H. Curtiss 2023-01-10 01:19:56 +01:00
parent 0a343007cb
commit c13ca271d8
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GPG Key ID: F051B4C4044F33FB
4 changed files with 10 additions and 9 deletions
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4
Source/Core/Core/PowerPC/GDBStub.cpp
View File

@ -441,7 +441,7 @@ static void ReadRegister()
wbe32hex(reply, LR(PowerPC::ppcState));
break;
case 68:
wbe32hex(reply, CTR);
wbe32hex(reply, CTR(PowerPC::ppcState));
break;
case 69:
wbe32hex(reply, PowerPC::ppcState.spr[SPR_XER]);
@ -653,7 +653,7 @@ static void WriteRegister()
LR(PowerPC::ppcState) = re32hex(bufptr);
break;
case 68:
CTR = re32hex(bufptr);
CTR(PowerPC::ppcState) = re32hex(bufptr);
break;
case 69:
PowerPC::ppcState.spr[SPR_XER] = re32hex(bufptr);

10
Source/Core/Core/PowerPC/Interpreter/Interpreter_Branch.cpp
View File

@ -29,12 +29,12 @@ void Interpreter::bx(UGeckoInstruction inst)
void Interpreter::bcx(UGeckoInstruction inst)
{
if ((inst.BO & BO_DONT_DECREMENT_FLAG) == 0)
CTR--;
CTR(PowerPC::ppcState)--;
const bool true_false = ((inst.BO >> 3) & 1) != 0;
const bool only_counter_check = ((inst.BO >> 4) & 1) != 0;
const bool only_condition_check = ((inst.BO >> 2) & 1) != 0;
const u32 ctr_check = ((CTR != 0) ^ (inst.BO >> 1)) & 1;
const u32 ctr_check = ((CTR(PowerPC::ppcState) != 0) ^ (inst.BO >> 1)) & 1;
const bool counter = only_condition_check || ctr_check != 0;
const bool condition =
only_counter_check || (PowerPC::ppcState.cr.GetBit(inst.BI) == u32(true_false));
@ -65,7 +65,7 @@ void Interpreter::bcctrx(UGeckoInstruction inst)
if (condition != 0)
{
PowerPC::ppcState.npc = CTR & (~3);
PowerPC::ppcState.npc = CTR(PowerPC::ppcState) & (~3);
if (inst.LK_3)
LR(PowerPC::ppcState) = PowerPC::ppcState.pc + 4;
}
@ -76,9 +76,9 @@ void Interpreter::bcctrx(UGeckoInstruction inst)
void Interpreter::bclrx(UGeckoInstruction inst)
{
if ((inst.BO_2 & BO_DONT_DECREMENT_FLAG) == 0)
CTR--;
CTR(PowerPC::ppcState)--;
const u32 counter = ((inst.BO_2 >> 2) | ((CTR != 0) ^ (inst.BO_2 >> 1))) & 1;
const u32 counter = ((inst.BO_2 >> 2) | ((CTR(PowerPC::ppcState) != 0) ^ (inst.BO_2 >> 1))) & 1;
const u32 condition =
((inst.BO_2 >> 4) | (PowerPC::ppcState.cr.GetBit(inst.BI_2) == ((inst.BO_2 >> 3) & 1))) & 1;

2
Source/Core/Core/PowerPC/PowerPC.h
View File

@ -247,7 +247,7 @@ void UpdatePerformanceMonitor(u32 cycles, u32 num_load_stores, u32 num_fp_inst);
#define THRM3(ppc_state) ((UReg_THRM3&)(ppc_state).spr[SPR_THRM3])
#define LR(ppc_state) (ppc_state).spr[SPR_LR]
#define CTR PowerPC::ppcState.spr[SPR_CTR]
#define CTR(ppc_state) (ppc_state).spr[SPR_CTR]
#define rDEC PowerPC::ppcState.spr[SPR_DEC]
#define SRR0 PowerPC::ppcState.spr[SPR_SRR0]
#define SRR1 PowerPC::ppcState.spr[SPR_SRR1]

3
Source/Core/DolphinQt/Debugger/CodeWidget.cpp
View File

@ -471,7 +471,8 @@ static bool WillInstructionReturn(UGeckoInstruction inst)
// Is a rfi instruction
if (inst.hex == 0x4C000064u)
return true;
bool counter = (inst.BO_2 >> 2 & 1) != 0 || (CTR != 0) != ((inst.BO_2 >> 1 & 1) != 0);
bool counter =
(inst.BO_2 >> 2 & 1) != 0 || (CTR(PowerPC::ppcState) != 0) != ((inst.BO_2 >> 1 & 1) != 0);
bool condition =
inst.BO_2 >> 4 != 0 || PowerPC::ppcState.cr.GetBit(inst.BI_2) == (inst.BO_2 >> 3 & 1);
bool isBclr = inst.OPCD_7 == 0b010011 && (inst.hex >> 1 & 0b10000) != 0;