midou/citra
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- reenabled MCR and MRC functions now that VFP is attached

Browse Source 
- removed HLE::CallMCR function (was pointless)
This commit is contained in:
bunnei 2014-05-16 20:52:46 -04:00
parent a2804bf701
commit 145a91f21f
4 changed files with 88 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

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

142
src/core/arm/interpreter/armsupp.cpp
View File

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

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

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

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

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