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-rw-r--r--src/core/arm/dyncom/arm_dyncom.cpp6
-rw-r--r--src/core/arm/interpreter/arminit.cpp22
-rw-r--r--src/core/arm/skyeye_common/armdefs.h53
-rw-r--r--src/core/arm/skyeye_common/armemu.h12
-rw-r--r--src/core/core.h3
5 files changed, 1 insertions, 95 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp
index 1b1d0142..bc1e969e 100644
--- a/src/core/arm/dyncom/arm_dyncom.cpp
+++ b/src/core/arm/dyncom/arm_dyncom.cpp
@@ -31,7 +31,6 @@ ARM_DynCom::ARM_DynCom(PrivilegeMode initial_mode) {
// Reset the core to initial state
ARMul_Reset(state.get());
- state->NextInstr = RESUME; // NOTE: This will be overwritten by LoadContext
state->Emulate = RUN;
// Switch to the desired privilege mode.
@@ -99,7 +98,6 @@ void ARM_DynCom::ResetContext(Core::ThreadContext& context, u32 stack_top, u32 e
context.pc = entry_point;
context.sp = stack_top;
context.cpsr = 0x1F; // Usermode
- context.mode = 8; // Instructs dyncom CPU core to start execution as if it's "resuming" a thread.
}
void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
@@ -113,8 +111,6 @@ void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
ctx.fpscr = state->VFP[1];
ctx.fpexc = state->VFP[2];
-
- ctx.mode = state->NextInstr;
}
void ARM_DynCom::LoadContext(const Core::ThreadContext& ctx) {
@@ -128,8 +124,6 @@ void ARM_DynCom::LoadContext(const Core::ThreadContext& ctx) {
state->VFP[1] = ctx.fpscr;
state->VFP[2] = ctx.fpexc;
-
- state->NextInstr = ctx.mode;
}
void ARM_DynCom::PrepareReschedule() {
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp
index 6fa028f4..6ac45c39 100644
--- a/src/core/arm/interpreter/arminit.cpp
+++ b/src/core/arm/interpreter/arminit.cpp
@@ -29,22 +29,8 @@ ARMul_State* ARMul_NewState(ARMul_State* state)
memset(state, 0, sizeof(ARMul_State));
state->Emulate = RUN;
- for (unsigned int i = 0; i < 16; i++) {
- state->Reg[i] = 0;
- for (unsigned int j = 0; j < 7; j++)
- state->RegBank[j][i] = 0;
- }
- for (unsigned int i = 0; i < 7; i++)
- state->Spsr[i] = 0;
-
state->Mode = USER32MODE;
- state->VectorCatch = 0;
- state->Aborted = false;
- state->Reseted = false;
- state->Inted = 3;
- state->LastInted = 3;
-
state->lateabtSig = HIGH;
state->bigendSig = LOW;
@@ -129,26 +115,18 @@ void ARMul_Reset(ARMul_State* state)
{
VFPInit(state);
- state->NextInstr = 0;
-
state->Reg[15] = 0;
state->Cpsr = INTBITS | SVC32MODE;
state->Mode = SVC32MODE;
-
state->Bank = SVCBANK;
- FLUSHPIPE;
ResetMPCoreCP15Registers(state);
- state->EndCondition = 0;
- state->ErrorCode = 0;
-
state->NresetSig = HIGH;
state->NfiqSig = HIGH;
state->NirqSig = HIGH;
state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
state->abortSig = LOW;
- state->AbortAddr = 1;
state->NumInstrs = 0;
}
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index 64ca523e..08da6d9e 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -53,14 +53,11 @@ typedef u64 ARMdword; // must be 64 bits wide
typedef u32 ARMword; // must be 32 bits wide
typedef u16 ARMhword; // must be 16 bits wide
typedef u8 ARMbyte; // must be 8 bits wide
-typedef struct ARMul_State ARMul_State;
#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
// Order of the following register should not be modified
ARMword Reg[16]; // The current register file
@@ -89,8 +86,6 @@ struct ARMul_State
ARMword ExtReg[VFP_REG_NUM];
/* ---- End of the ordered registers ---- */
- ARMword RegBank[7][16]; // all the registers
-
ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed
unsigned int shifter_carry_out;
@@ -102,10 +97,7 @@ struct ARMul_State
unsigned long long NumInstrs; // The number of instructions executed
unsigned NumInstrsToExecute;
- unsigned NextInstr;
- unsigned VectorCatch; // Caught exception mask
-
- unsigned NresetSig; // Reset the processor
+ unsigned NresetSig; // Reset the processor
unsigned NfiqSig;
unsigned NirqSig;
@@ -147,13 +139,6 @@ So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model)
*/
unsigned lateabtSig;
- bool Aborted; // Sticky flag for aborts
- bool 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
- ARMword Vector; // Synthesize aborts in cycle modes
-
// 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?
@@ -167,14 +152,6 @@ So, if lateabtSig=1, then it means Late Abort Model(Base Updated 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 instruction executed
- u32 WriteAddr[17];
- u32 WriteData[17];
- u32 WritePc[17];
- u32 CurrWrite;
};
/***************************************************************************\
@@ -260,34 +237,6 @@ enum {
ARMul_INC = 3
};
-enum {
- ARMul_CP13_R0_FIQ = 0x1,
- ARMul_CP13_R0_IRQ = 0x2,
- ARMul_CP13_R8_PMUS = 0x1,
-
- ARMul_CP14_R0_ENABLE = 0x0001,
- ARMul_CP14_R0_CLKRST = 0x0004,
- ARMul_CP14_R0_CCD = 0x0008,
- ARMul_CP14_R0_INTEN0 = 0x0010,
- ARMul_CP14_R0_INTEN1 = 0x0020,
- ARMul_CP14_R0_INTEN2 = 0x0040,
- ARMul_CP14_R0_FLAG0 = 0x0100,
- ARMul_CP14_R0_FLAG1 = 0x0200,
- ARMul_CP14_R0_FLAG2 = 0x0400,
- ARMul_CP14_R10_MOE_IB = 0x0004,
- ARMul_CP14_R10_MOE_DB = 0x0008,
- ARMul_CP14_R10_MOE_BT = 0x000c,
- ARMul_CP15_R1_ENDIAN = 0x0080,
- ARMul_CP15_R1_ALIGN = 0x0002,
- ARMul_CP15_R5_X = 0x0400,
- ARMul_CP15_R5_ST_ALIGN = 0x0001,
- ARMul_CP15_R5_IMPRE = 0x0406,
- ARMul_CP15_R5_MMU_EXCPT = 0x0400,
- ARMul_CP15_DBCON_M = 0x0100,
- ARMul_CP15_DBCON_E1 = 0x000c,
- ARMul_CP15_DBCON_E0 = 0x0003
-};
-
/***************************************************************************\
* Definitons of things in the host environment *
\***************************************************************************/
diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h
index b8113dfc..7e096505 100644
--- a/src/core/arm/skyeye_common/armemu.h
+++ b/src/core/arm/skyeye_common/armemu.h
@@ -38,16 +38,6 @@ enum : u32 {
INTBITS = 0x1C0,
};
-// Different ways to start the next instruction.
-enum {
- SEQ = 0,
- NONSEQ = 1,
- PCINCEDSEQ = 2,
- PCINCEDNONSEQ = 3,
- PRIMEPIPE = 4,
- RESUME = 8
-};
-
// Values for Emulate.
enum {
STOP = 0, // Stop
@@ -55,5 +45,3 @@ enum {
ONCE = 2, // Execute just one interation
RUN = 3 // Continuous execution
};
-
-#define FLUSHPIPE state->NextInstr |= PRIMEPIPE
diff --git a/src/core/core.h b/src/core/core.h
index 5e132cb5..278f0f1c 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -21,9 +21,6 @@ struct ThreadContext {
u32 fpu_registers[32];
u32 fpscr;
u32 fpexc;
-
- // These are not part of native ThreadContext, but needed by emu
- u32 mode;
};
extern ARM_Interface* g_app_core; ///< ARM11 application core
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 01:58:35 +0000