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- reenabled MCR and MRC functions now that VFP is attached 

- removed HLE::CallMCR function (was pointless)
pull/15/merge
bunnei 12 years ago
parent
a2804bf701
commit
145a91f21f
4 changed files with 94 additions and 116 deletions
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  1. 31
      src/core/arm/interpreter/armemu.h
  2. 156
      src/core/arm/interpreter/armsupp.cpp
  3. 20
      src/core/hle/coprocessor.cpp
  4. 3
      src/core/hle/coprocessor.h

31
src/core/arm/interpreter/armemu.h
View File

@ -17,9 +17,9 @@
#ifndef __ARMEMU_H__
#define __ARMEMU_H__
#include "common/common.h"
#include "armdefs.h"
//#include "skyeye.h"
#include "core/arm/interpreter/skyeye_defs.h"
#include "core/arm/interpreter/armdefs.h"
extern ARMword isize;
@ -73,9 +73,7 @@ extern ARMword isize;
#define ASSIGNT(res) state->TFlag = res
#define INSN_SIZE (TFLAG ? 2 : 4)
#else
#define TBIT (1L << 5)
#define INSN_SIZE 4
#define TFLAG 0
#endif
/*add armv6 CPSR feature*/
@ -166,6 +164,7 @@ extern ARMword isize;
#define PCWRAP(pc) ((pc) & R15PCBITS)
#endif
#define PC (state->Reg[15] & PCMASK)
#define R15CCINTMODE (state->Reg[15] & (CCBITS | R15INTBITS | R15MODEBITS))
#define R15INT (state->Reg[15] & R15INTBITS)
#define R15INTPC (state->Reg[15] & (R15INTBITS | R15PCBITS))
@ -180,11 +179,11 @@ extern ARMword isize;
#define ER15INT (IFFLAGS << 26)
#define EMODE (state->Mode)
//#ifdef MODET
//#define CPSR (ECC | EINT | EMODE | (TFLAG << 5))
//#else
//#define CPSR (ECC | EINT | EMODE)
//#endif
#ifdef MODET
#define CPSR (ECC | EINT | EMODE | (TFLAG << 5))
#else
#define CPSR (ECC | EINT | EMODE)
#endif
#ifdef MODE32
#define PATCHR15
@ -240,12 +239,12 @@ extern ARMword isize;
} \
while (0)
//#ifndef MODE32
#ifndef MODE32
#define VECTORS 0x20
#define LEGALADDR 0x03ffffff
#define VECTORACCESS(address) (address < VECTORS && ARMul_MODE26BIT && state->prog32Sig)
#define ADDREXCEPT(address) (address > LEGALADDR && !state->data32Sig)
//#endif
#endif
#define INTERNALABORT(address) \
do \
@ -421,9 +420,9 @@ extern ARMword isize;
|| (read_cp15_reg (15, 0, 1) & (1 << (CP))))
*/
#define CP_ACCESS_ALLOWED(STATE, CP) \
(((CP) >= 14) \
|| (!(STATE)->is_XScale) \
|| (xscale_cp15_cp_access_allowed(STATE, 15, CP)))
( ((CP) >= 14) \
|| (! (STATE)->is_XScale) \
|| (xscale_cp15_cp_access_allowed(STATE,15,CP)))
/* Macro to rotate n right by b bits. */
#define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b))))
@ -515,7 +514,7 @@ tdstate;
* out-of-updated with the newer ISA.
* -- Michael.Kang
********************************************************************************/
#define UNDEF_WARNING ERROR_LOG(ARM11, "undefined or unpredicted behavior for arm instruction.\n");
#define UNDEF_WARNING WARN_LOG(ARM11, "undefined or unpredicted behavior for arm instruction.\n");
/* Macros to scrutinize instructions. */
#define UNDEF_Test UNDEF_WARNING

156
src/core/arm/interpreter/armsupp.cpp
View File

@ -15,11 +15,9 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "armdefs.h"
#include "armemu.h"
//#include "ansidecl.h"
#include "skyeye_defs.h"
#include "core/arm/interpreter/armdefs.h"
#include "core/arm/interpreter/armemu.h"
#include "core/arm/interpreter/skyeye_defs.h"
#include "core/hle/coprocessor.h"
#include "core/arm/disassembler/arm_disasm.h"
@ -127,8 +125,7 @@ ARMul_GetCPSR (ARMul_State * state)
{
//chy 2003-08-20: below is from gdb20030716, maybe isn't suitable for system simulator
//return (CPSR | state->Cpsr); for gdb20030716
// NOTE(bunnei): Changed this from [now] commented out macro "CPSR"
return ((ECC | EINT | EMODE | (TFLAG << 5))); //had be tested in old skyeye with gdb5.0-5.3
return (CPSR); //had be tested in old skyeye with gdb5.0-5.3
}
/* This routine sets the value of the CPSR. */
@ -145,7 +142,7 @@ ARMul_SetCPSR (ARMul_State * state, ARMword value)
void
ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs)
{
{
state->Cpsr = ARMul_GetCPSR (state);
//chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
if (state->Mode != USER26MODE && state->Mode != USER32MODE ) {
@ -500,8 +497,8 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
return;
}
if (ADDREXCEPT (address))
INTERNALABORT (address);
//if (ADDREXCEPT (address))
// INTERNALABORT (address);
cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
while (cpab == ARMul_BUSY) {
@ -594,8 +591,8 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
return;
}
if (ADDREXCEPT (address) || VECTORACCESS (address))
INTERNALABORT (address);
//if (ADDREXCEPT (address) || VECTORACCESS (address))
// INTERNALABORT (address);
cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data);
while (cpab == ARMul_BUSY) {
@ -661,40 +658,39 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
void
ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source)
{
HLE::CallMCR(instr, source);
//unsigned cpab;
////printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source);
//if (!CP_ACCESS_ALLOWED (state, CPNum)) {
// //chy 2004-07-19 should fix in the future ????!!!!
// //printf("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source);
// ARMul_UndefInstr (state, instr);
// return;
//}
//cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source);
//while (cpab == ARMul_BUSY) {
// ARMul_Icycles (state, 1, 0);
// if (IntPending (state)) {
// cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT,
// instr, 0);
// return;
// }
// else
// cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr,
// source);
//}
//if (cpab == ARMul_CANT) {
// printf ("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source);
// ARMul_Abort (state, ARMul_UndefinedInstrV);
//}
//else {
// BUSUSEDINCPCN;
// ARMul_Ccycles (state, 1, 0);
//}
unsigned cpab;
//printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source);
if (!CP_ACCESS_ALLOWED (state, CPNum)) {
//chy 2004-07-19 should fix in the future ????!!!!
//printf("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source);
ARMul_UndefInstr (state, instr);
return;
}
cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source);
while (cpab == ARMul_BUSY) {
ARMul_Icycles (state, 1, 0);
if (IntPending (state)) {
cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT,
instr, 0);
return;
}
else
cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr,
source);
}
if (cpab == ARMul_CANT) {
printf ("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source);
ARMul_Abort (state, ARMul_UndefinedInstrV);
}
else {
BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0);
}
}
/* This function does the Busy-Waiting for an MCRR instruction. */
@ -742,37 +738,41 @@ ARMul_MRC (ARMul_State * state, ARMword instr)
ARMword result = HLE::CallMRC(instr);
////printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr);
//if (!CP_ACCESS_ALLOWED (state, CPNum)) {
// //chy 2004-07-19 should fix in the future????!!!!
// //printf("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n",CPNum, instr);
// ARMul_UndefInstr (state, instr);
// return -1;
//}
//cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result);
//while (cpab == ARMul_BUSY) {
// ARMul_Icycles (state, 1, 0);
// if (IntPending (state)) {
// cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT,
// instr, 0);
// return (0);
// }
// else
// cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr,
// &result);
//}
//if (cpab == ARMul_CANT) {
// printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
// ARMul_Abort (state, ARMul_UndefinedInstrV);
// /* Parent will destroy the flags otherwise. */
// result = ECC;
//}
//else {
// BUSUSEDINCPCN;
// ARMul_Ccycles (state, 1, 0);
// ARMul_Icycles (state, 1, 0);
//}
if (result != -1) {
return result;
}
//printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr);
if (!CP_ACCESS_ALLOWED (state, CPNum)) {
//chy 2004-07-19 should fix in the future????!!!!
//printf("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n",CPNum, instr);
ARMul_UndefInstr (state, instr);
return -1;
}
cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result);
while (cpab == ARMul_BUSY) {
ARMul_Icycles (state, 1, 0);
if (IntPending (state)) {
cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0);
return (0);
}
else
cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr,
&result);
}
if (cpab == ARMul_CANT) {
printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
ARMul_Abort (state, ARMul_UndefinedInstrV);
/* Parent will destroy the flags otherwise. */
result = ECC;
}
else {
BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0);
ARMul_Icycles (state, 1, 0);
}
return result;
}
@ -907,9 +907,7 @@ ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay,
state->Now = ARMul_Time (state);
when = (state->Now + delay) % EVENTLISTSIZE;
event = (struct EventNode *) malloc (sizeof (struct EventNode));
_dbg_assert_msg_(ARM11, event, "SKYEYE:ARMul_ScheduleEvent: malloc event error\n");
event->func = what;
event->next = *(state->EventPtr + when);
*(state->EventPtr + when) = event;

20
src/core/hle/coprocessor.cpp
View File

@ -9,42 +9,26 @@
namespace HLE {
/// Data synchronization barrier
u32 DataSynchronizationBarrier() {
return 0;
}
/// Returns the coprocessor (in this case, syscore) command buffer pointer
Addr GetThreadCommandBuffer() {
// Called on insruction: mrc p15, 0, r0, c13, c0, 3
return Memory::KERNEL_MEMORY_VADDR;
}
/// Call an MCR (move to coprocessor from ARM register) instruction in HLE
s32 CallMCR(u32 instruction, u32 value) {
CoprocessorOperation operation = (CoprocessorOperation)((instruction >> 20) & 0xFF);
ERROR_LOG(OSHLE, "unimplemented MCR instruction=0x%08X, operation=%02X, value=%08X",
instruction, operation, value);
return 0;
}
/// Call an MRC (move to ARM register from coprocessor) instruction in HLE
s32 CallMRC(u32 instruction) {
CoprocessorOperation operation = (CoprocessorOperation)((instruction >> 20) & 0xFF);
switch (operation) {
case DATA_SYNCHRONIZATION_BARRIER:
return DataSynchronizationBarrier();
case CALL_GET_THREAD_COMMAND_BUFFER:
return GetThreadCommandBuffer();
default:
ERROR_LOG(OSHLE, "unimplemented MRC instruction 0x%08X", instruction);
//DEBUG_LOG(OSHLE, "unknown MRC call 0x%08X", instruction);
break;
}
return 0;
return -1;
}
} // namespace

3
src/core/hle/coprocessor.h
View File

@ -14,9 +14,6 @@ enum CoprocessorOperation {
CALL_GET_THREAD_COMMAND_BUFFER = 0xE1,
};
/// Call an MCR (move to coprocessor from ARM register) instruction in HLE
s32 CallMCR(u32 instruction, u32 value);
/// Call an MRC (move to ARM register from coprocessor) instruction in HLE
s32 CallMRC(u32 instruction);

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