arm: Adios armemu

1 files changed, 36 insertions, 218 deletions

diff --git a/src/core/arm/interpreter/armcopro.cpp b/src/core/arm/interpreter/armcopro.cpp
index b4ddc3d96..bb9ca98fe 100644
--- a/src/core/arm/interpreter/armcopro.cpp
+++ b/src/core/arm/interpreter/armcopro.cpp
@@ -19,213 +19,45 @@
 #include "core/arm/skyeye_common/armemu.h"
 #include "core/arm/skyeye_common/vfp/vfp.h"
 
-//chy 2005-07-08
-//#include "ansidecl.h"
-//chy -------
-//#include "iwmmxt.h"
+// Dummy Co-processors.
 
-/* Dummy Co-processors.  */
-
-static unsigned
-NoCoPro3R(ARMul_State * state,
-unsigned a, ARMword b)
+static unsigned int NoCoPro3R(ARMul_State* state, unsigned int a, ARMword b)
 {
     return ARMul_CANT;
 }
 
-static unsigned
-NoCoPro4R(ARMul_State * state,
-unsigned a,
-ARMword b, ARMword c)
+static unsigned int NoCoPro4R(ARMul_State* state, unsigned int a, ARMword b, ARMword c)
 {
     return ARMul_CANT;
 }
 
-static unsigned
-NoCoPro4W(ARMul_State * state,
-unsigned a,
-ARMword b, ARMword * c)
+static unsigned int NoCoPro4W(ARMul_State* state, unsigned int a, ARMword b, ARMword* c)
 {
     return ARMul_CANT;
 }
 
-static unsigned
-NoCoPro5R(ARMul_State * state,
-unsigned a,
-ARMword b,
-ARMword c, ARMword d)
+static unsigned int NoCoPro5R(ARMul_State* state, unsigned int a, ARMword b, ARMword c, ARMword d)
 {
     return ARMul_CANT;
 }
 
-static unsigned
-NoCoPro5W(ARMul_State * state,
-unsigned a,
-ARMword b,
-ARMword * c, ARMword * d)
+static unsigned int NoCoPro5W(ARMul_State* state, unsigned int a, ARMword b, ARMword* c, ARMword* d)
 {
     return ARMul_CANT;
 }
 
-/* The XScale Co-processors.  */
-
-/* Coprocessor 15:  System Control.  */
-static void write_cp14_reg(unsigned, ARMword);
-static ARMword read_cp14_reg(unsigned);
-
-/* Check an access to a register.  */
-
-static unsigned
-check_cp15_access(ARMul_State * state,
-unsigned reg,
-unsigned CRm, unsigned opcode_1, unsigned opcode_2)
-{
-    /* Do not allow access to these register in USER mode.  */
-    //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
-    if (state->Mode == USER26MODE || state->Mode == USER32MODE)
-        return ARMul_CANT;
-
-    /* Opcode_1should be zero.  */
-    if (opcode_1 != 0)
-        return ARMul_CANT;
-
-    /* Different register have different access requirements.  */
-    switch (reg) {
-    case 0:
-    case 1:
-        /* CRm must be 0.  Opcode_2 can be anything.  */
-        if (CRm != 0)
-            return ARMul_CANT;
-        break;
-    case 2:
-    case 3:
-        /* CRm must be 0.  Opcode_2 must be zero.  */
-        if ((CRm != 0) || (opcode_2 != 0))
-            return ARMul_CANT;
-        break;
-    case 4:
-        /* Access not allowed.  */
-        return ARMul_CANT;
-    case 5:
-    case 6:
-        /* Opcode_2 must be zero.  CRm must be 0.  */
-        if ((CRm != 0) || (opcode_2 != 0))
-            return ARMul_CANT;
-        break;
-    case 7:
-        /* Permissable combinations:
-        Opcode_2  CRm
-        0       5
-        0       6
-        0       7
-        1       5
-        1       6
-        1      10
-        4      10
-        5       2
-        6       5  */
-        switch (opcode_2) {
-        default:
-            return ARMul_CANT;
-        case 6:
-            if (CRm != 5)
-                return ARMul_CANT;
-            break;
-        case 5:
-            if (CRm != 2)
-                return ARMul_CANT;
-            break;
-        case 4:
-            if (CRm != 10)
-                return ARMul_CANT;
-            break;
-        case 1:
-            if ((CRm != 5) && (CRm != 6) && (CRm != 10))
-                return ARMul_CANT;
-            break;
-        case 0:
-            if ((CRm < 5) || (CRm > 7))
-                return ARMul_CANT;
-            break;
-        }
-        break;
-
-    case 8:
-        /* Permissable combinations:
-        Opcode_2  CRm
-        0       5
-        0       6
-        0       7
-        1       5
-        1       6  */
-        if (opcode_2 > 1)
-            return ARMul_CANT;
-        if ((CRm < 5) || (CRm > 7))
-            return ARMul_CANT;
-        if (opcode_2 == 1 && CRm == 7)
-            return ARMul_CANT;
-        break;
-    case 9:
-        /* Opcode_2 must be zero or one.  CRm must be 1 or 2.  */
-        if (((CRm != 0) && (CRm != 1))
-            || ((opcode_2 != 1) && (opcode_2 != 2)))
-            return ARMul_CANT;
-        break;
-    case 10:
-        /* Opcode_2 must be zero or one.  CRm must be 4 or 8.  */
-        if (((CRm != 0) && (CRm != 1))
-            || ((opcode_2 != 4) && (opcode_2 != 8)))
-            return ARMul_CANT;
-        break;
-    case 11:
-        /* Access not allowed.  */
-        return ARMul_CANT;
-    case 12:
-        /* Access not allowed.  */
-        return ARMul_CANT;
-    case 13:
-        /* Opcode_2 must be zero.  CRm must be 0.  */
-        if ((CRm != 0) || (opcode_2 != 0))
-            return ARMul_CANT;
-        break;
-    case 14:
-        /* Opcode_2 must be 0.  CRm must be 0, 3, 4, 8 or 9.  */
-        if (opcode_2 != 0)
-            return ARMul_CANT;
-
-        if ((CRm != 0) && (CRm != 3) && (CRm != 4) && (CRm != 8)
-            && (CRm != 9))
-            return ARMul_CANT;
-        break;
-    case 15:
-        /* Opcode_2 must be zero.  CRm must be 1.  */
-        if ((CRm != 1) || (opcode_2 != 0))
-            return ARMul_CANT;
-        break;
-    default:
-        /* Should never happen.  */
-        return ARMul_CANT;
-    }
-
-    return ARMul_DONE;
-}
-
-/* Install co-processor instruction handlers in this routine.  */
-
-unsigned
-ARMul_CoProInit(ARMul_State * state)
+// Install co-processor instruction handlers in this routine.
+unsigned int ARMul_CoProInit(ARMul_State* state)
 {
-    unsigned int i;
-
-    /* Initialise tham all first.  */
-    for (i = 0; i < 16; i++)
+    // Initialise tham all first.
+    for (unsigned int i = 0; i < 16; i++)
         ARMul_CoProDetach(state, i);
 
-    /* Install CoPro Instruction handlers here.
-    The format is:
-    ARMul_CoProAttach (state, CP Number, Init routine, Exit routine
-    LDC routine, STC routine, MRC routine, MCR routine,
-    CDP routine, Read Reg routine, Write Reg routine).  */
+    // Install CoPro Instruction handlers here.
+    // The format is:
+    // ARMul_CoProAttach (state, CP Number, Init routine, Exit routine
+    // LDC routine, STC routine, MRC routine, MCR routine,
+    // CDP routine, Read Reg routine, Write Reg routine).
     if (state->is_v6) {
         ARMul_CoProAttach(state, 10, VFPInit, NULL, VFPLDC, VFPSTC,
             VFPMRC, VFPMCR, VFPMRRC, VFPMCRR, VFPCDP, NULL, NULL);
@@ -235,57 +67,44 @@ ARMul_CoProInit(ARMul_State * state)
         /*ARMul_CoProAttach (state, 15, MMUInit, NULL, NULL, NULL,
         MMUMRC, MMUMCR, NULL, NULL, NULL, NULL, NULL);*/
     }
-    //chy 2003-09-03 do it in future!!!!????
-#if 0
-    if (state->is_iWMMXt) {
-        ARMul_CoProAttach(state, 0, NULL, NULL, IwmmxtLDC, IwmmxtSTC,
-            NULL, NULL, IwmmxtCDP, NULL, NULL);
 
-        ARMul_CoProAttach(state, 1, NULL, NULL, NULL, NULL,
-            IwmmxtMRC, IwmmxtMCR, IwmmxtCDP, NULL,
-            NULL);
-    }
-#endif
-    /* No handlers below here.  */
+    // No handlers below here.
 
-    /* Call all the initialisation routines.  */
-    for (i = 0; i < 16; i++)
+    // Call all the initialisation routines.
+    for (unsigned int i = 0; i < 16; i++)
         if (state->CPInit[i])
             (state->CPInit[i]) (state);
 
     return TRUE;
 }
 
-/* Install co-processor finalisation routines in this routine.  */
-
-void
-ARMul_CoProExit(ARMul_State * state)
+// Install co-processor finalisation routines in this routine.
+void ARMul_CoProExit(ARMul_State * state)
 {
-    register unsigned i;
-
-    for (i = 0; i < 16; i++)
+    for (unsigned int i = 0; i < 16; i++)
         if (state->CPExit[i])
             (state->CPExit[i]) (state);
 
-    for (i = 0; i < 16; i++)    /* Detach all handlers.  */
+    // Detach all handlers.
+    for (unsigned int i = 0; i < 16; i++)
         ARMul_CoProDetach(state, i);
 }
 
-/* Routines to hook Co-processors into ARMulator.  */
+// Routines to hook Co-processors into ARMulator.
 
 void
-ARMul_CoProAttach(ARMul_State * state,
+ARMul_CoProAttach(ARMul_State* state,
 unsigned number,
-ARMul_CPInits * init,
-ARMul_CPExits * exit,
-ARMul_LDCs * ldc,
-ARMul_STCs * stc,
-ARMul_MRCs * mrc,
-ARMul_MCRs * mcr,
-ARMul_MRRCs * mrrc,
-ARMul_MCRRs * mcrr,
-ARMul_CDPs * cdp,
-ARMul_CPReads * read, ARMul_CPWrites * write)
+ARMul_CPInits* init,
+ARMul_CPExits* exit,
+ARMul_LDCs* ldc,
+ARMul_STCs* stc,
+ARMul_MRCs* mrc,
+ARMul_MCRs* mcr,
+ARMul_MRRCs* mrrc,
+ARMul_MCRRs* mcrr,
+ARMul_CDPs* cdp,
+ARMul_CPReads* read, ARMul_CPWrites* write)
 {
     if (init != NULL)
         state->CPInit[number] = init;
@@ -311,8 +130,7 @@ ARMul_CPReads * read, ARMul_CPWrites * write)
         state->CPWrite[number] = write;
 }
 
-void
-ARMul_CoProDetach(ARMul_State * state, unsigned number)
+void ARMul_CoProDetach(ARMul_State* state, unsigned number)
 {
     ARMul_CoProAttach(state, number, NULL, NULL,
         NoCoPro4R, NoCoPro4W, NoCoPro4W, NoCoPro4R,