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authorbunnei <bunneidev@gmail.com>2015-04-07 03:21:59 +0200
committerbunnei <bunneidev@gmail.com>2015-04-07 03:21:59 +0200
commit11bd6024fb2d09b11df3ef12f7188a5b3be5c577 (patch)
treed1bd33914eb7b8a0ec77ef4badefd318d2da8c5d
parentMerge pull request #685 from lioncash/cpregs (diff)
parentvfp: Make the FPSID values match the MPCore (diff)
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-rw-r--r--src/core/arm/skyeye_common/arm_regformat.h15
-rw-r--r--src/core/arm/skyeye_common/armdefs.h6
-rw-r--r--src/core/arm/skyeye_common/vfp/asm_vfp.h14
-rw-r--r--src/core/arm/skyeye_common/vfp/vfp.cpp28
-rw-r--r--src/core/arm/skyeye_common/vfp/vfp.h2
-rw-r--r--src/core/arm/skyeye_common/vfp/vfpinstr.cpp82
6 files changed, 76 insertions, 71 deletions
diff --git a/src/core/arm/skyeye_common/arm_regformat.h b/src/core/arm/skyeye_common/arm_regformat.h
index d125dc2fc..6c89774eb 100644
--- a/src/core/arm/skyeye_common/arm_regformat.h
+++ b/src/core/arm/skyeye_common/arm_regformat.h
@@ -51,13 +51,18 @@ enum {
EXCLUSIVE_STATE,
EXCLUSIVE_RESULT,
- // VFP registers
- VFP_BASE,
- VFP_FPSID = VFP_BASE,
+ MAX_REG_NUM,
+};
+
+// VFP system registers
+enum {
+ VFP_FPSID,
VFP_FPSCR,
VFP_FPEXC,
- MAX_REG_NUM,
+ // Not an actual register.
+ // All VFP system registers should be defined above this.
+ VFP_SYSTEM_REGISTER_COUNT
};
enum CP15Register {
@@ -176,5 +181,3 @@ enum CP15Register {
// All registers should be defined above this.
CP15_REGISTER_COUNT,
};
-
-#define VFP_OFFSET(x) (x - VFP_BASE)
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index 12fa533f7..743e935f0 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -92,13 +92,15 @@ struct ARMul_State
ARMword exclusive_state;
ARMword exclusive_result;
ARMword CP15[CP15_REGISTER_COUNT];
- ARMword VFP[3]; // FPSID, FPSCR, and FPEXC
+
+ // FPSID, FPSCR, and FPEXC
+ ARMword VFP[VFP_SYSTEM_REGISTER_COUNT];
// 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
ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed
diff --git a/src/core/arm/skyeye_common/vfp/asm_vfp.h b/src/core/arm/skyeye_common/vfp/asm_vfp.h
index ccb7cf4d7..1187924f4 100644
--- a/src/core/arm/skyeye_common/vfp/asm_vfp.h
+++ b/src/core/arm/skyeye_common/vfp/asm_vfp.h
@@ -7,15 +7,15 @@
#pragma once
-// FPSID Information
+// ARM11 MPCore FPSID Information
// Note that these are used as values and not as flags.
enum : u32 {
- VFP_FPSID_IMPLMEN = 0, // Implementation code. Should be the same as cp15 0 c0 0
- VFP_FPSID_SW = 0, // Software emulation bit value
- VFP_FPSID_SUBARCH = 0x2, // Subarchitecture version number
- VFP_FPSID_PARTNUM = 0x1, // Part number
- VFP_FPSID_VARIANT = 0x1, // Variant number
- VFP_FPSID_REVISION = 0x1 // Revision number
+ VFP_FPSID_IMPLMEN = 0x41, // Implementation code. Should be the same as cp15 0 c0 0
+ VFP_FPSID_SW = 0, // Software emulation bit value
+ VFP_FPSID_SUBARCH = 0x1, // Subarchitecture version number
+ VFP_FPSID_PARTNUM = 0x20, // Part number
+ VFP_FPSID_VARIANT = 0xB, // Variant number
+ VFP_FPSID_REVISION = 0x4 // Revision number
};
// FPEXC bits
diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp
index 6286e7b62..d793261fd 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfp.cpp
@@ -29,10 +29,10 @@
unsigned VFPInit(ARMul_State* state)
{
- state->VFP[VFP_OFFSET(VFP_FPSID)] = VFP_FPSID_IMPLMEN<<24 | VFP_FPSID_SW<<23 | VFP_FPSID_SUBARCH<<16 |
- VFP_FPSID_PARTNUM<<8 | VFP_FPSID_VARIANT<<4 | VFP_FPSID_REVISION;
- state->VFP[VFP_OFFSET(VFP_FPEXC)] = 0;
- state->VFP[VFP_OFFSET(VFP_FPSCR)] = 0;
+ state->VFP[VFP_FPSID] = VFP_FPSID_IMPLMEN<<24 | VFP_FPSID_SW<<23 | VFP_FPSID_SUBARCH<<16 |
+ VFP_FPSID_PARTNUM<<8 | VFP_FPSID_VARIANT<<4 | VFP_FPSID_REVISION;
+ state->VFP[VFP_FPEXC] = 0;
+ state->VFP[VFP_FPSCR] = 0;
return 0;
}
@@ -314,11 +314,11 @@ unsigned VFPCDP(ARMul_State* state, unsigned type, u32 instr)
int exceptions = 0;
if (CoProc == 10)
- exceptions = vfp_single_cpdo(state, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ exceptions = vfp_single_cpdo(state, instr, state->VFP[VFP_FPSCR]);
else
- exceptions = vfp_double_cpdo(state, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ exceptions = vfp_double_cpdo(state, instr, state->VFP[VFP_FPSCR]);
- vfp_raise_exceptions(state, exceptions, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ vfp_raise_exceptions(state, exceptions, instr, state->VFP[VFP_FPSCR]);
return ARMul_DONE;
}
@@ -344,11 +344,11 @@ void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value)
{
if (Rt != 15)
{
- *value = state->VFP[VFP_OFFSET(VFP_FPSCR)];
+ *value = state->VFP[VFP_FPSCR];
}
else
{
- *value = state->VFP[VFP_OFFSET(VFP_FPSCR)] ;
+ *value = state->VFP[VFP_FPSCR] ;
}
}
else
@@ -356,7 +356,7 @@ void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value)
switch (reg)
{
case 0:
- *value = state->VFP[VFP_OFFSET(VFP_FPSID)];
+ *value = state->VFP[VFP_FPSID];
break;
case 6:
/* MVFR1, VFPv3 only ? */
@@ -367,7 +367,7 @@ void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value)
LOG_TRACE(Core_ARM11, "\tr%d <= MVFR0 unimplemented\n", Rt);
break;
case 8:
- *value = state->VFP[VFP_OFFSET(VFP_FPEXC)];
+ *value = state->VFP[VFP_FPEXC];
break;
default:
LOG_TRACE(Core_ARM11, "\tSUBARCHITECTURE DEFINED\n");
@@ -407,11 +407,11 @@ void VMSR(ARMul_State* state, ARMword reg, ARMword Rt)
{
if (reg == 1)
{
- state->VFP[VFP_OFFSET(VFP_FPSCR)] = state->Reg[Rt];
+ state->VFP[VFP_FPSCR] = state->Reg[Rt];
}
else if (reg == 8)
{
- state->VFP[VFP_OFFSET(VFP_FPEXC)] = state->Reg[Rt];
+ state->VFP[VFP_FPEXC] = state->Reg[Rt];
}
}
@@ -774,5 +774,5 @@ void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpsc
fpscr |= exceptions;
- state->VFP[VFP_OFFSET(VFP_FPSCR)] = fpscr;
+ state->VFP[VFP_FPSCR] = fpscr;
}
diff --git a/src/core/arm/skyeye_common/vfp/vfp.h b/src/core/arm/skyeye_common/vfp/vfp.h
index 445a224bc..1b72383e7 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.h
+++ b/src/core/arm/skyeye_common/vfp/vfp.h
@@ -25,7 +25,7 @@
#define VFP_DEBUG_UNIMPLEMENTED(x) LOG_ERROR(Core_ARM11, "in func %s, " #x " unimplemented\n", __FUNCTION__); exit(-1);
#define VFP_DEBUG_UNTESTED(x) LOG_TRACE(Core_ARM11, "in func %s, " #x " untested\n", __FUNCTION__);
#define CHECK_VFP_ENABLED
-#define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]); //if (ret == -1) {printf("VFP CDP FAILURE %x\n", inst_cream->instr); exit(-1);}
+#define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
unsigned VFPInit(ARMul_State* state);
unsigned VFPMRC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value);
diff --git a/src/core/arm/skyeye_common/vfp/vfpinstr.cpp b/src/core/arm/skyeye_common/vfp/vfpinstr.cpp
index 368b5a25d..72afe2164 100644
--- a/src/core/arm/skyeye_common/vfp/vfpinstr.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfpinstr.cpp
@@ -46,9 +46,9 @@ VMLA_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -96,9 +96,9 @@ VMLS_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -146,9 +146,9 @@ VNMLA_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -197,9 +197,9 @@ VNMLS_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -247,9 +247,9 @@ VNMUL_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -297,9 +297,9 @@ VMUL_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -347,9 +347,9 @@ VADD_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -397,9 +397,9 @@ VSUB_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -447,9 +447,9 @@ VDIV_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -591,9 +591,9 @@ VABS_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -642,9 +642,9 @@ VNEG_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -692,9 +692,9 @@ VSQRT_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -742,9 +742,9 @@ VCMP_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -792,9 +792,9 @@ VCMP2_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -842,9 +842,9 @@ VCVTBDS_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -894,9 +894,9 @@ VCVTBFF_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -944,9 +944,9 @@ VCVTBFI_INST:
int ret;
if (inst_cream->dp_operation)
- ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_double_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
else
- ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]);
+ ret = vfp_single_cpdo(cpu, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
CHECK_VFP_CDP_RET;
}
@@ -1146,14 +1146,14 @@ VMRS_INST:
{
if (inst_cream->Rt != 15)
{
- cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_OFFSET(VFP_FPSCR)];
+ cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_FPSCR];
}
else
{
- cpu->NFlag = (cpu->VFP[VFP_OFFSET(VFP_FPSCR)] >> 31) & 1;
- cpu->ZFlag = (cpu->VFP[VFP_OFFSET(VFP_FPSCR)] >> 30) & 1;
- cpu->CFlag = (cpu->VFP[VFP_OFFSET(VFP_FPSCR)] >> 29) & 1;
- cpu->VFlag = (cpu->VFP[VFP_OFFSET(VFP_FPSCR)] >> 28) & 1;
+ cpu->NFlag = (cpu->VFP[VFP_FPSCR] >> 31) & 1;
+ cpu->ZFlag = (cpu->VFP[VFP_FPSCR] >> 30) & 1;
+ cpu->CFlag = (cpu->VFP[VFP_FPSCR] >> 29) & 1;
+ cpu->VFlag = (cpu->VFP[VFP_FPSCR] >> 28) & 1;
}
}
else
@@ -1161,7 +1161,7 @@ VMRS_INST:
switch (inst_cream->reg)
{
case 0:
- cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_OFFSET(VFP_FPSID)];
+ cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_FPSID];
break;
case 6:
/* MVFR1, VFPv3 only ? */
@@ -1172,7 +1172,7 @@ VMRS_INST:
LOG_TRACE(Core_ARM11, "\tr%d <= MVFR0 unimplemented\n", inst_cream->Rt);
break;
case 8:
- cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_OFFSET(VFP_FPEXC)];
+ cpu->Reg[inst_cream->Rt] = cpu->VFP[VFP_FPEXC];
break;
default:
break;