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-rw-r--r--src/core/arm/dyncom/arm_dyncom.cpp9
-rw-r--r--src/core/arm/interpreter/arminit.cpp29
-rw-r--r--src/core/arm/skyeye_common/armdefs.h181
-rw-r--r--src/core/core.h1
-rw-r--r--src/core/hle/kernel/thread.cpp2
5 files changed, 84 insertions, 138 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp
index 01ffbcc87..f6628ca33 100644
--- a/src/core/arm/dyncom/arm_dyncom.cpp
+++ b/src/core/arm/dyncom/arm_dyncom.cpp
@@ -36,9 +36,8 @@ ARM_DynCom::ARM_DynCom() {
state->NextInstr = RESUME; // NOTE: This will be overwritten by LoadContext
state->Emulate = 3;
- state->pc = state->Reg[15] = 0x00000000;
+ state->Reg[15] = 0x00000000;
state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
- state->servaddr = 0xFFFF0000;
state->NirqSig = HIGH;
VFPInit(state.get()); // Initialize the VFP
@@ -50,7 +49,7 @@ ARM_DynCom::~ARM_DynCom() {
}
void ARM_DynCom::SetPC(u32 pc) {
- state->pc = state->Reg[15] = pc;
+ state->Reg[15] = pc;
}
u32 ARM_DynCom::GetPC() const {
@@ -106,7 +105,6 @@ void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
ctx.fpscr = state->VFP[1];
ctx.fpexc = state->VFP[2];
- ctx.reg_15 = state->Reg[15];
ctx.mode = state->NextInstr;
}
@@ -116,13 +114,12 @@ void ARM_DynCom::LoadContext(const Core::ThreadContext& ctx) {
state->Reg[13] = ctx.sp;
state->Reg[14] = ctx.lr;
- state->pc = ctx.pc;
+ state->Reg[15] = ctx.pc;
state->Cpsr = ctx.cpsr;
state->VFP[1] = ctx.fpscr;
state->VFP[2] = ctx.fpexc;
- state->Reg[15] = ctx.reg_15;
state->NextInstr = ctx.mode;
}
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp
index a0e041fa0..a52d14960 100644
--- a/src/core/arm/interpreter/arminit.cpp
+++ b/src/core/arm/interpreter/arminit.cpp
@@ -95,12 +95,6 @@ ARMul_State* ARMul_NewState(ARMul_State* state)
state->lateabtSig = HIGH;
state->bigendSig = LOW;
- //chy:2003-08-19
- state->CP14R0_CCD = -1;
-
- memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128);
- state->exclusive_access_state = 0;
-
return state;
}
@@ -118,15 +112,15 @@ void ARMul_SelectProcessor(ARMul_State* state, unsigned properties)
state->data32Sig = HIGH;
}
- state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW;
- state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW;
- state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW;
- state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW;
- state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW;
- state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW;
- state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW;
- state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW;
- state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW;
+ state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0;
+ state->is_v5 = (properties & ARM_v5_Prop) != 0;
+ state->is_v5e = (properties & ARM_v5e_Prop) != 0;
+ state->is_XScale = (properties & ARM_XScale_Prop) != 0;
+ state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) != 0;
+ state->is_v6 = (properties & ARM_v6_Prop) != 0;
+ state->is_ep9312 = (properties & ARM_ep9312_Prop) != 0;
+ state->is_pxa27x = (properties & ARM_PXA27X_Prop) != 0;
+ state->is_v7 = (properties & ARM_v7_Prop) != 0;
/* Only initialse the coprocessor support once we
know what kind of chip we are dealing with. */
@@ -164,9 +158,4 @@ void ARMul_Reset(ARMul_State* state)
state->AbortAddr = 1;
state->NumInstrs = 0;
- state->NumNcycles = 0;
- state->NumScycles = 0;
- state->NumIcycles = 0;
- state->NumCcycles = 0;
- state->NumFcycles = 0;
}
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index be54ce71b..778868783 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -74,88 +74,69 @@ typedef unsigned ARMul_CPWrites(ARMul_State* state, unsigned reg, ARMword value)
#define VFP_REG_NUM 64
struct ARMul_State
{
- ARMword Emulate; /* to start and stop emulation */
- unsigned EndCondition; /* reason for stopping */
- unsigned ErrorCode; /* type of illegal instruction */
+ ARMword Emulate; // To start and stop emulation
+ unsigned EndCondition; // Reason for stopping
+ unsigned ErrorCode; // Type of illegal instruction
- /* Order of the following register should not be modified */
- ARMword Reg[16]; /* the current register file */
- ARMword Cpsr; /* the current psr */
+ // Order of the following register should not be modified
+ ARMword Reg[16]; // The current register file
+ ARMword Cpsr; // The current PSR
ARMword Spsr_copy;
ARMword phys_pc;
ARMword Reg_usr[2];
- ARMword Reg_svc[2]; /* R13_SVC R14_SVC */
- ARMword Reg_abort[2]; /* R13_ABORT R14_ABORT */
- ARMword Reg_undef[2]; /* R13 UNDEF R14 UNDEF */
- ARMword Reg_irq[2]; /* R13_IRQ R14_IRQ */
- ARMword Reg_firq[7]; /* R8---R14 FIRQ */
- ARMword Spsr[7]; /* the exception psr's */
- ARMword Mode; /* the current mode */
- ARMword Bank; /* the current register bank */
- ARMword exclusive_tag; /* the address for which the local monitor is in exclusive access mode */
+ ARMword Reg_svc[2]; // R13_SVC R14_SVC
+ ARMword Reg_abort[2]; // R13_ABORT R14_ABORT
+ ARMword Reg_undef[2]; // R13 UNDEF R14 UNDEF
+ ARMword Reg_irq[2]; // R13_IRQ R14_IRQ
+ ARMword Reg_firq[7]; // R8---R14 FIRQ
+ ARMword Spsr[7]; // The exception psr's
+ ARMword Mode; // The current mode
+ ARMword Bank; // The current register bank
+ ARMword exclusive_tag; // The address for which the local monitor is in exclusive access mode
ARMword exclusive_state;
ARMword exclusive_result;
ARMword CP15[VFP_BASE - CP15_BASE];
- ARMword VFP[3]; /* FPSID, FPSCR, and FPEXC */
- /* VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31).
- VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31),
- and only 32 singleword registers are accessible (S0-S31). */
+ ARMword VFP[3]; // FPSID, FPSCR, and FPEXC
+ // VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31).
+ // VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31),
+ // and only 32 singleword registers are accessible (S0-S31).
ARMword ExtReg[VFP_REG_NUM];
/* ---- End of the ordered registers ---- */
- ARMword RegBank[7][16]; /* all the registers */
- //chy:2003-08-19, used in arm xscale
- /* 40 bit accumulator. We always keep this 64 bits wide,
- and move only 40 bits out of it in an MRA insn. */
- ARMdword Accumulator;
-
- ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */
- unsigned long long int icounter, debug_icounter, kernel_icounter;
+ ARMword RegBank[7][16]; // all the registers
+
+ ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed
unsigned int shifter_carry_out;
- /* add armv6 flags dyf:2010-08-09 */
+ // Add armv6 flags dyf:2010-08-09
ARMword GEFlag, EFlag, AFlag, QFlag;
- //chy:2003-08-19, used in arm v5e|xscale
- ARMword SFlag;
+
#ifdef MODET
- ARMword TFlag; /* Thumb state */
+ ARMword TFlag; // Thumb state
#endif
- ARMword instr, pc, temp; /* saved register state */
- ARMword loaded, decoded; /* saved pipeline state */
- //chy 2006-04-12 for ICE breakpoint
- ARMword loaded_addr, decoded_addr; /* saved pipeline state addr*/
- unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */
- unsigned long long NumInstrs; /* the number of instructions executed */
- unsigned NumInstrsToExecute;
- ARMword currentexaddr;
- ARMword currentexval;
- ARMword currentexvald;
- ARMword servaddr;
+ unsigned long long NumInstrs; // The number of instructions executed
+ unsigned NumInstrsToExecute;
unsigned NextInstr;
- unsigned VectorCatch; /* caught exception mask */
- unsigned CallDebug; /* set to call the debugger */
- unsigned CanWatch; /* set by memory interface if its willing to suffer the
- overhead of checking for watchpoints on each memory
- access */
-
- ARMul_CPInits *CPInit[16]; /* coprocessor initialisers */
- ARMul_CPExits *CPExit[16]; /* coprocessor finalisers */
- ARMul_LDCs *LDC[16]; /* LDC instruction */
- ARMul_STCs *STC[16]; /* STC instruction */
- ARMul_MRCs *MRC[16]; /* MRC instruction */
- ARMul_MCRs *MCR[16]; /* MCR instruction */
- ARMul_MRRCs *MRRC[16]; /* MRRC instruction */
- ARMul_MCRRs *MCRR[16]; /* MCRR instruction */
- ARMul_CDPs *CDP[16]; /* CDP instruction */
- ARMul_CPReads *CPRead[16]; /* Read CP register */
- ARMul_CPWrites *CPWrite[16]; /* Write CP register */
- unsigned char *CPData[16]; /* Coprocessor data */
- unsigned char const *CPRegWords[16]; /* map of coprocessor register sizes */
-
- unsigned Debug; /* show instructions as they are executed */
- unsigned NresetSig; /* reset the processor */
+ unsigned VectorCatch; // Caught exception mask
+
+ ARMul_CPInits* CPInit[16]; // Coprocessor initialisers
+ ARMul_CPExits* CPExit[16]; // Coprocessor finalisers
+ ARMul_LDCs* LDC[16]; // LDC instruction
+ ARMul_STCs* STC[16]; // STC instruction
+ ARMul_MRCs* MRC[16]; // MRC instruction
+ ARMul_MCRs* MCR[16]; // MCR instruction
+ ARMul_MRRCs* MRRC[16]; // MRRC instruction
+ ARMul_MCRRs* MCRR[16]; // MCRR instruction
+ ARMul_CDPs* CDP[16]; // CDP instruction
+ ARMul_CPReads* CPRead[16]; // Read CP register
+ ARMul_CPWrites* CPWrite[16]; // Write CP register
+ unsigned char* CPData[16]; // Coprocessor data
+ unsigned char const* CPRegWords[16]; // Map of coprocessor register sizes
+
+ unsigned Debug; // Show instructions as they are executed
+ unsigned NresetSig; // Reset the processor
unsigned NfiqSig;
unsigned NirqSig;
@@ -199,54 +180,34 @@ So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model)
*/
unsigned lateabtSig;
- ARMword Vector; /* synthesize aborts in cycle modes */
- ARMword Aborted; /* sticky flag for aborts */
- ARMword Reseted; /* sticky flag for Reset */
- ARMword Inted, LastInted; /* sticky flags for interrupts */
- ARMword Base; /* extra hand for base writeback */
- ARMword AbortAddr; /* to keep track of Prefetch aborts */
-
- int verbose; /* non-zero means print various messages like the banner */
-
- int mmu_inited;
-
- //chy: 2003-08-11, for different arm core type
- unsigned is_v4; /* Are we emulating a v4 architecture (or higher) ? */
- unsigned is_v5; /* Are we emulating a v5 architecture ? */
- unsigned is_v5e; /* Are we emulating a v5e architecture ? */
- unsigned is_v6; /* Are we emulating a v6 architecture ? */
- unsigned is_v7; /* Are we emulating a v7 architecture ? */
- unsigned is_XScale; /* Are we emulating an XScale architecture ? */
- unsigned is_iWMMXt; /* Are we emulating an iWMMXt co-processor ? */
- unsigned is_ep9312; /* Are we emulating a Cirrus Maverick co-processor ? */
- unsigned is_pxa27x; /* Are we emulating a Intel PXA27x co-processor ? */
-
- //chy: seems only used in xscale's CP14
- ARMword CP14R0_CCD; /* used to count 64 clock cycles with CP14 R0 bit 3 set */
-
- //teawater add for arm2x86 2005.07.05-------------------------------------------
- //arm_arm A2-18
- int abort_model; //0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model
-
- /*added by ksh in 2005-10-1*/
- cpu_config_t *cpu;
-
- /* added LPC remap function */
- int vector_remap_flag;
- u32 vector_remap_addr;
- u32 vector_remap_size;
-
- u32 step;
- u32 cycle;
-
- /* monitored memory for exclusice access */
- ARMword exclusive_tag_array[128];
- /* 1 means exclusive access and 0 means open access */
- ARMword exclusive_access_state;
+ ARMword Vector; // Synthesize aborts in cycle modes
+ ARMword Aborted; // Sticky flag for aborts
+ ARMword Reseted; // Sticky flag for Reset
+ ARMword Inted, LastInted; // Sticky flags for interrupts
+ ARMword Base; // Extra hand for base writeback
+ ARMword AbortAddr; // To keep track of Prefetch aborts
+
+ // For differentiating ARM core emulaiton.
+ bool is_v4; // Are we emulating a v4 architecture (or higher)?
+ bool is_v5; // Are we emulating a v5 architecture?
+ bool is_v5e; // Are we emulating a v5e architecture?
+ bool is_v6; // Are we emulating a v6 architecture?
+ bool is_v7; // Are we emulating a v7 architecture?
+ bool is_XScale; // Are we emulating an XScale architecture?
+ bool is_iWMMXt; // Are we emulating an iWMMXt co-processor?
+ bool is_ep9312; // Are we emulating a Cirrus Maverick co-processor?
+ bool is_pxa27x; // Are we emulating a Intel PXA27x co-processor?
+
+ // ARM_ARM A2-18
+ // 0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model
+ int abort_model;
+
+ // Added by ksh in 2005-10-1
+ cpu_config_t* cpu;
u32 CurrInstr;
- u32 last_pc; /* the last pc executed */
- u32 last_instr; /* the last inst executed */
+ u32 last_pc; // The last PC executed
+ u32 last_instr; // The last instruction executed
u32 WriteAddr[17];
u32 WriteData[17];
u32 WritePc[17];
diff --git a/src/core/core.h b/src/core/core.h
index 8504bb2d9..5e132cb5a 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -23,7 +23,6 @@ struct ThreadContext {
u32 fpexc;
// These are not part of native ThreadContext, but needed by emu
- u32 reg_15;
u32 mode;
};
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 03b492c75..56950ebd4 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -50,7 +50,7 @@ static void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
memset(&t->context, 0, sizeof(Core::ThreadContext));
t->context.cpu_registers[0] = arg;
- t->context.pc = t->context.reg_15 = t->entry_point;
+ t->context.pc = t->entry_point;
t->context.sp = t->stack_top;
t->context.cpsr = 0x1F; // Usermode
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 11:22:43 +0100