Initial creation of sourceware repository

1 files changed, 0 insertions, 1042 deletions

diff --git a/sim/arm/armrdi.c b/sim/arm/armrdi.c
deleted file mode 100644
index 665d03f..0000000
--- a/sim/arm/armrdi.c
+++ /dev/null
@@ -1,1042 +0,0 @@
-/*  armrdi.c -- ARMulator RDI interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
- 
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
- 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
- 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <string.h>
-#include <ctype.h>
-#include "armdefs.h"
-#include "armemu.h"
-#include "armos.h"
-#include "dbg_cp.h"
-#include "dbg_conf.h"
-#include "dbg_rdi.h"
-#include "dbg_hif.h"
-#include "communicate.h"
-
-/***************************************************************************\
-*                               Declarations                                *
-\***************************************************************************/
-
-#define Watch_AnyRead (RDIWatch_ByteRead+RDIWatch_HalfRead+RDIWatch_WordRead)
-#define Watch_AnyWrite (RDIWatch_ByteWrite+RDIWatch_HalfWrite+RDIWatch_WordWrite)
-
-static unsigned FPRegsAddr ; /* last known address of FPE regs */
-#define FPESTART 0x2000L
-#define FPEEND   0x8000L
-
-#define IGNORE(d) (d = d)
-#ifdef RDI_VERBOSE
-#define TracePrint(s) \
- if (rdi_log & 1) ARMul_DebugPrint s
-#else
-#define TracePrint(s)
-#endif
-
-static ARMul_State *state = NULL ;
-static unsigned BreaksSet ; /* The number of breakpoints set */
-
-static int rdi_log = 0 ; /* debugging  ? */
-
-#define LOWEST_RDI_LEVEL 0
-#define HIGHEST_RDI_LEVEL 1
-static int MYrdi_level = LOWEST_RDI_LEVEL;
-
-typedef struct BreakNode BreakNode;
-typedef struct WatchNode WatchNode;
-
-struct BreakNode { /* A breakpoint list node */
-   BreakNode *next ;
-   ARMword address ; /* The address of this breakpoint */
-   unsigned type ; /* The type of comparison */
-   ARMword bound ; /* The other address for a range */
-   ARMword inst;
-   };
-
-struct WatchNode { /* A watchpoint list node */
-   WatchNode *next ;
-   ARMword address ; /* The address of this watchpoint */
-   unsigned type ; /* The type of comparison */
-   unsigned datatype ; /* The type of access to watch for */
-   ARMword bound ; /* The other address for a range */
-   };
-
-BreakNode *BreakList = NULL ;
-WatchNode *WatchList = NULL ;
-
-void ARMul_DebugPrint_i(const Dbg_HostosInterface *hostif, const char *format, ...)
-{ va_list ap;
-  va_start(ap, format);
-  hostif->dbgprint(hostif->dbgarg, format, ap);
-  va_end(ap);
-}
-
-void ARMul_DebugPrint(ARMul_State *state, const char *format, ...)
-{ va_list ap;
-  va_start(ap, format);
-  if(!(rdi_log & 8))
-    state->hostif->dbgprint(state->hostif->dbgarg, format, ap);
-  va_end(ap);
-}
-
-#define CONSOLE_PRINT_MAX_LEN 128
-
-void ARMul_ConsolePrint(ARMul_State *state, const char *format, ...)
-{
-  va_list ap;
-  int ch;
-  char *str, buf[CONSOLE_PRINT_MAX_LEN];
-  int i, j;
-  ARMword junk;
-
-  va_start(ap, format);
-  vsprintf(buf, format, ap);
-
-  for (i = 0; buf[i] ;i++);  /* The string is i chars long */
-  
-  str = buf;
-  while (i >= 32) {
-    MYwrite_char(kidmum[1], RDP_OSOp); 
-    MYwrite_word(kidmum[1], SWI_Write0);
-    MYwrite_char(kidmum[1], OS_SendString);
-    MYwrite_char(kidmum[1], 32); /* Send string 32bytes at a time */
-    for (j = 0; j < 32; j++, str++)
-      MYwrite_char(kidmum[1], *str);
-    wait_for_osreply(&junk);
-    i -= 32;
-  }
-  
-  if (i > 0) {
-    MYwrite_char(kidmum[1], RDP_OSOp);
-    MYwrite_word(kidmum[1], SWI_Write0);
-    MYwrite_char(kidmum[1], OS_SendString);
-    MYwrite_char(kidmum[1], (unsigned char) i); /* Send remainder of string  */
-    for (j = 0; j < i; j++, str++)
-      MYwrite_char(kidmum[1], *str);
-    wait_for_osreply(&junk);
-  }
-  return;
-
-/*   str = buf; */
-/*   while ((ch=*str++) != 0) */
-/*     state->hostif->writec(state->hostif->hostosarg, ch); */
-}
-
-void ARMul_DebugPause(ARMul_State *state)
-{
-  if(!(rdi_log & 8))
-  state->hostif->dbgpause(state->hostif->dbgarg);
-}
-
-/***************************************************************************\
-*                                 RDI_open                                  *
-\***************************************************************************/
-
-static void InitFail(int exitcode, char const *which) {
-  ARMul_ConsolePrint(state, "%s interface failed to initialise. Exiting\n",
-                            which);
-  exit(exitcode);
-}
-
-static void RDIInit(unsigned type)
-{if (type == 0) { /* cold start */
-    state->CallDebug = state->MemReadDebug = state->MemWriteDebug = 0 ;
-    BreaksSet = 0 ;
-    }
- }
-
-#define UNKNOWNPROC 0
-
-typedef struct { char name[16]; unsigned val; } Processor;
-
-Processor const p_arm2   = {"ARM2",    ARM2};
-Processor const p_arm2as = {"ARM2AS",  ARM2as};
-Processor const p_arm61  = {"ARM61",   ARM61};
-Processor const p_arm3   = {"ARM3",    ARM3};
-Processor const p_arm6   = {"ARM6",    ARM6};
-Processor const p_arm60  = {"ARM60",   ARM60};
-Processor const p_arm600 = {"ARM600",  ARM600};
-Processor const p_arm610 = {"ARM610",  ARM610};
-Processor const p_arm620 = {"ARM620",  ARM620};
-Processor const p_unknown= {"",      UNKNOWNPROC};
-
-Processor const *const processors[] = {
-  &p_arm6,  /* default: must come first */
-  &p_arm2,
-  &p_arm2as,
-  &p_arm61,
-  &p_arm3,
-  &p_arm60,
-  &p_arm600,
-  &p_arm610,
-  &p_arm620,
-  &p_unknown
-};
-
-typedef struct ProcessorConfig ProcessorConfig;
-struct ProcessorConfig {
-  long id[2];
-  ProcessorConfig const *self;
-  long count;
-  Processor const * const *processors;
-};
-
-ProcessorConfig const processorconfig = {
-  { ((((((long)'x' << 8) | ' ') << 8) | 'c') << 8) | 'p',
-    ((((((long)'u' << 8) | 's') << 8) | ' ') << 8) | 'x'
-  },
-  &processorconfig,
-  16,
-  processors
-};
-
-static int RDI_open(unsigned type, const Dbg_ConfigBlock *config,
-                    const Dbg_HostosInterface *hostif,
-                    struct Dbg_MCState *dbg_state)
-/* Initialise everything */
-{int virgin = (state == NULL);
- IGNORE(dbg_state);
-
-#ifdef RDI_VERBOSE
- if (rdi_log & 1) {
-    if (virgin)
-       ARMul_DebugPrint_i(hostif, "RDI_open: type = %d\n",type) ;
-    else
-       ARMul_DebugPrint(state, "RDI_open: type = %d\n",type) ;
- }
-#endif
-
- if (type & 1) { /* Warm start */
-    ARMul_Reset(state) ;
-    RDIInit(1) ;
-    }
- else {
-   if (virgin) {
-     ARMul_EmulateInit();
-     state = ARMul_NewState();
-     state->hostif = hostif;
-     { int req = config->processor;
-       unsigned processor = processors[req]->val;
-       ARMul_SelectProcessor(state, processor);
-       ARMul_Reset(state);
-       ARMul_ConsolePrint(state, "ARMulator V1.50, %s", processors[req]->name);
-     }
-     if (ARMul_MemoryInit(state,config->memorysize) == FALSE)
-       InitFail(1, "Memory");
-     if (config->bytesex != RDISex_DontCare)
-       state->bigendSig = config->bytesex ;
-     if (ARMul_CoProInit(state) == FALSE)
-       InitFail(2, "Co-Processor");
-     if (ARMul_OSInit(state) == FALSE)
-       InitFail(3, "Operating System");
-   }
-   ARMul_Reset(state) ;
-   RDIInit(0) ;
-   }
-  if (type & 2) { /* Reset the comms link */
-    /* what comms link ? */
-  }
-  if (virgin && (type & 1) == 0) /* Cold start */
-    ARMul_ConsolePrint(state, ", %s endian.\n",
-		       state->bigendSig ? "Big" : "Little");
-
-  if (config->bytesex == RDISex_DontCare)
-    return(state->bigendSig ? RDIError_BigEndian : RDIError_LittleEndian);
-  else
-    return(RDIError_NoError) ;
-}
-
-/***************************************************************************\
-*                                RDI_close                                  *
-\***************************************************************************/
-
-static int RDI_close(void)
-{
- TracePrint((state, "RDI_close\n"));
- ARMul_OSExit(state) ;
- ARMul_CoProExit(state) ;
- ARMul_MemoryExit(state) ;
- return(RDIError_NoError) ;
- }
-
-/***************************************************************************\
-*                                 RDI_read                                  *
-\***************************************************************************/
-
-static int RDI_read(ARMword source, void *dest, unsigned *nbytes)
-{unsigned i ;
- char *memptr = (char *)dest ;
-
- TracePrint((state, "RDI_read: source=%.8lx dest=%p nbytes=%.8x\n",
-             source, dest, *nbytes));
-
- for (i=0 ; i < *nbytes ; i++)
-    *memptr++ = (char)ARMul_ReadByte(state,source++) ;
- if (state->abortSig) {
-    state->abortSig = LOW ;
-    return(RDIError_DataAbort) ;
-    }
- return(RDIError_NoError) ;
- }
-
-/***************************************************************************\
-*                                  RDI_write                                *
-\***************************************************************************/
-
-static int RDI_write(const void *source, ARMword dest, unsigned *nbytes)
-{unsigned i ;
- char *memptr = (char *)source ;
-
- TracePrint((state, "RDI_write: source=%p dest=%.8lx nbytes=%.8x\n",
-            source, dest, *nbytes));
-
- for (i=0 ; i < *nbytes ; i++)
-    ARMul_WriteByte(state,(ARMword)dest++,(ARMword)*memptr++) ;
-
- if (state->abortSig) {
-    state->abortSig = LOW ;
-    return(RDIError_DataAbort) ;
-    }
- return(RDIError_NoError) ;
- }
-
-/***************************************************************************\
-*                                RDI_CPUread                                *
-\***************************************************************************/
-
-static int RDI_CPUread(unsigned mode, unsigned long mask, ARMword buffer[])
-{unsigned i , upto ;
-
- if (mode == RDIMode_Curr)
-    mode = (unsigned)(ARMul_GetCPSR(state) & MODEBITS) ;
-
- for (upto = 0, i = 0 ; i < 15 ; i++)
-    if (mask & (1L << i)){
-       buffer[upto++] = ARMul_GetReg(state,mode,i) ;
-    }
-
- if (mask & RDIReg_R15) {
-    buffer[upto++] = ARMul_GetR15(state) ;
- }
-
- if (mask & RDIReg_PC) {
-    buffer[upto++] = ARMul_GetPC(state) ;
- }
-
- if (mask & RDIReg_CPSR)
-    buffer[upto++] = ARMul_GetCPSR(state) ;
-
- if (mask & RDIReg_SPSR)
-    buffer[upto++] = ARMul_GetSPSR(state,mode) ;
-
- TracePrint((state, "RDI_CPUread: mode=%.8x mask=%.8lx", mode, mask));
-#ifdef RDI_VERBOSE
- if (rdi_log & 1) {
-    for (upto = 0, i = 0 ; i <= 20 ; i++)
-       if (mask & (1L << i)) {
-          ARMul_DebugPrint(state, "%c%.8lx",upto%4==0?'\n':' ',buffer[upto]) ;
-          upto++ ;
-          }
-    ARMul_DebugPrint(state, "\n") ;
-    }
-#endif
-
- return(RDIError_NoError) ;
-}
-
-/***************************************************************************\
-*                               RDI_CPUwrite                                *
-\***************************************************************************/
-
-static int RDI_CPUwrite(unsigned mode, unsigned long mask, ARMword const buffer[])
-{int i, upto;
-
-
- TracePrint((state, "RDI_CPUwrite: mode=%.8x mask=%.8lx", mode, mask));
-#ifdef RDI_VERBOSE
- if (rdi_log & 1) {
-    for (upto = 0, i = 0 ; i <= 20 ; i++)
-       if (mask & (1L << i)) {
-          ARMul_DebugPrint(state, "%c%.8lx",upto%4==0?'\n':' ',buffer[upto]) ;
-          upto++ ;
-          }
-    ARMul_DebugPrint(state, "\n") ;
-    }
-#endif
-
- if (mode == RDIMode_Curr)
-    mode = (unsigned)(ARMul_GetCPSR(state) & MODEBITS) ;
-
- for (upto = 0, i = 0 ; i < 15 ; i++)
-    if (mask & (1L << i))
-       ARMul_SetReg(state,mode,i,buffer[upto++]) ;
-
- if (mask & RDIReg_R15)
-    ARMul_SetR15(state,buffer[upto++]) ;
-
- if (mask & RDIReg_PC) {
-
-   ARMul_SetPC(state,buffer[upto++]) ;
- }
- if (mask & RDIReg_CPSR)
-    ARMul_SetCPSR(state,buffer[upto++]) ;
-
- if (mask & RDIReg_SPSR)
-    ARMul_SetSPSR(state,mode,buffer[upto++]) ;
-
- return(RDIError_NoError) ;
-}
-
-/***************************************************************************\
-*                                RDI_CPread                                 *
-\***************************************************************************/
-
-static int RDI_CPread(unsigned CPnum, unsigned long mask, ARMword buffer[])
-{ARMword fpregsaddr, word[4] ;
- 
- unsigned r, w ;
- unsigned upto ;
-
- if (CPnum != 1 && CPnum != 2) {
-    unsigned char const *rmap = state->CPRegWords[CPnum];
-    if (rmap == NULL)
-       return(RDIError_UnknownCoPro) ;
-    for (upto = 0, r = 0 ; r < rmap[-1] ; r++)
-       if (mask & (1L << r)) {
-          (void)state->CPRead[CPnum](state, r, &buffer[upto]);
-          upto += rmap[r];
-       }
-    TracePrint((state, "RDI_CPread: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
-    if (rdi_log & 1) {
-       w = 0;
-       for (upto = 0, r = 0; r < rmap[-1]; r++)
-          if (mask & (1L << r)) {
-             int words = rmap[r];
-             ARMul_DebugPrint(state, "%c%2d", (w >= 4 ? (w = 0, '\n') : ' '), r);
-             while (--words >= 0) {
-                ARMul_DebugPrint(state, " %.8lx", buffer[upto++]);
-                w++;
-             }
-          }
-       ARMul_DebugPrint(state, "\n") ;
-    }
-#endif
-    return RDIError_NoError;
- }
-
-#ifdef NOFPE
- return RDIError_UnknownCoPro;
-
-#else
- if (FPRegsAddr == 0) {
-   fpregsaddr = ARMul_ReadWord(state, 4L) ;
-   if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */
-     return RDIError_UnknownCoPro;
-   fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8 ; /* address in __fp_decode - 4 */
-   if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND))
-     return RDIError_UnknownCoPro;
-   fpregsaddr = ARMul_ReadWord(state, fpregsaddr) ; /* pointer to fp registers */
-   FPRegsAddr = fpregsaddr ;
- }
- else
-  fpregsaddr = FPRegsAddr ;
-
- if (fpregsaddr == 0) return RDIError_UnknownCoPro;
- for (upto = 0, r = 0 ; r < 8 ; r++)
-    if (mask & (1L << r)) {
-       for (w = 0 ; w < 4 ; w++)
-          word[w] = ARMul_ReadWord(state,fpregsaddr + (ARMword)r * 16 + (ARMword)w * 4) ;
-       switch ((int)(word[3] >> 29)) {
-	 case 0 :
-	 case 2 :
-         case 4 :
-         case 6 : /* its unpacked, convert to extended */
-           buffer[upto++] = 2 ; /* mark as extended */
-           buffer[upto++] = (word[3] & 0x7fff) | (word[0] & 0x80000000) ; /* exp and sign */
-           buffer[upto++] = word[1] ; /* mantissa 1 */
-           buffer[upto++] = word[2] ; /* mantissa 2 */
-           break ;
-         case 1 : /* packed single */
-           buffer[upto++] = 0 ; /* mark as single */
-           buffer[upto++] = word[0] ; /* sign, exp and mantissa */
-           buffer[upto++] = word[1] ; /* padding */
-           buffer[upto++] = word[2] ; /* padding */
-           break ;
-         case 3 : /* packed double */
-           buffer[upto++] = 1 ; /* mark as double */
-           buffer[upto++] = word[0] ; /* sign, exp and mantissa1 */
-           buffer[upto++] = word[1] ; /* mantissa 2 */
-           buffer[upto++] = word[2] ; /* padding */
-           break ;
-         case 5 : /* packed extended */
-           buffer[upto++] = 2 ; /* mark as extended */
-           buffer[upto++] = word[0] ; /* sign and exp */
-           buffer[upto++] = word[1] ; /* mantissa 1 */
-           buffer[upto++] = word[2] ; /* mantissa 2 */
-           break ;
-         case 7 : /* packed decimal */
-           buffer[upto++] = 3 ; /* mark as packed decimal */
-           buffer[upto++] = word[0] ; /* sign, exp and mantissa1 */
-           buffer[upto++] = word[1] ; /* mantissa 2 */
-           buffer[upto++] = word[2] ; /* mantissa 3 */
-           break ;
-         }
-    }
- if (mask & (1L << r))
-    buffer[upto++] = ARMul_ReadWord(state,fpregsaddr + 128) ; /* fpsr */
- if (mask & (1L << (r+1) ))
-    buffer[upto++] = 0 ; /* fpcr */
-
- TracePrint((state, "RDI_CPread: CPnum=%d mask=%.8lx\n", CPnum, mask));
-#ifdef RDI_VERBOSE
- if (rdi_log & 1) {
-    for (upto = 0, r = 0 ; r < 9 ; r++)
-       if (mask & (1L << r)) {
-          if (r != 8) {
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             }
-          ARMul_DebugPrint(state, "%08lx\n",buffer[upto++]) ;
-          }
-    ARMul_DebugPrint(state, "\n") ;
-    }
-#endif
- return(RDIError_NoError) ;
-#endif /* NOFPE */
- }
-
-/***************************************************************************\
-*                               RDI_CPwrite                                 *
-\***************************************************************************/
-
-static int RDI_CPwrite(unsigned CPnum, unsigned long mask, ARMword const buffer[])
-{unsigned r ;
- unsigned upto ;
- ARMword fpregsaddr;
-
- if (CPnum != 1 && CPnum != 2) {
-    unsigned char const *rmap = state->CPRegWords[CPnum];
-    if (rmap == NULL)
-       return(RDIError_UnknownCoPro) ;
-    TracePrint((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
-    if (rdi_log & 1) {
-       int w = 0;
-       for (upto = 0, r = 0; r < rmap[-1]; r++)
-          if (mask & (1L << r)) {
-             int words = rmap[r];
-             ARMul_DebugPrint(state, "%c%2d", (w >= 4 ? (w = 0, '\n') : ' '), r);
-             while (--words >= 0) {
-                ARMul_DebugPrint(state, " %.8lx", buffer[upto++]);
-                w++;
-             }
-          }
-       ARMul_DebugPrint(state, "\n") ;
-    }
-#endif
-    for (upto = 0, r = 0; r < rmap[-1]; r++)
-       if (mask & (1L << r)) {
-          (void)state->CPWrite[CPnum](state, r, &buffer[upto]);
-          upto += rmap[r];
-       }
-    return RDIError_NoError;
- }
-
-#ifdef NOFPE
- return RDIError_UnknownCoPro;
-
-#else
- TracePrint((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
- if (rdi_log & 1) {
-    for (upto = 0, r = 0 ; r < 9 ; r++)
-       if (mask & (1L << r)) {
-          if (r != 8) {
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             ARMul_DebugPrint(state, "%08lx ",buffer[upto++]) ;
-             }
-          ARMul_DebugPrint(state, "%08lx\n",buffer[upto++]) ;
-          }
-   ARMul_DebugPrint(state, "\n") ;
-   }
-#endif
-
- if (FPRegsAddr == 0) {
-   fpregsaddr = ARMul_ReadWord(state, 4L) ;
-   if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */
-     return RDIError_UnknownCoPro;
-   fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8 ; /* address in __fp_decode - 4 */
-   if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND))
-     return RDIError_UnknownCoPro;
-   fpregsaddr = ARMul_ReadWord(state, fpregsaddr) ; /* pointer to fp registers */
-   FPRegsAddr = fpregsaddr ;
- }
- else
-  fpregsaddr = FPRegsAddr ;
-
- if (fpregsaddr == 0) return RDIError_UnknownCoPro;
- for (upto = 0, r = 0 ; r < 8 ; r++)
-    if (mask & (1L << r)) {
-      ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16,buffer[upto+1]) ;
-      ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 4,buffer[upto+2]) ;
-      ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 8,buffer[upto+3]) ;
-      ARMul_WriteWord(state,fpregsaddr + (ARMword)r * 16 + 12,(buffer[upto] * 2 + 1) << 29) ; /* mark type */
-      upto += 4 ;
-    }
- if (mask & (1L << r))
-    ARMul_WriteWord(state,fpregsaddr + 128,buffer[upto++]) ; /* fpsr */
- return(RDIError_NoError) ;
-#endif /* NOFPE */
-}
-
-static void deletebreaknode(BreakNode **prevp) {
-  BreakNode *p = *prevp;
-  *prevp = p->next;
-  ARMul_WriteWord(state, p->address, p->inst);
-  free((char *)p);
-  BreaksSet-- ;
-  state->CallDebug-- ;
-}
-
-static int removebreak(ARMword address, unsigned type)
-{ BreakNode *p, **prevp = &BreakList;
-  for (; (p = *prevp) != NULL ; prevp = &p->next)
-    if (p->address == address && p->type == type) {
-      deletebreaknode(prevp);
-      return TRUE;
-    }
-  return FALSE;
-}
-
-/* This routine installs a breakpoint into the breakpoint table */
-
-static BreakNode *installbreak(ARMword address, unsigned type, ARMword bound)
-{ BreakNode *p = (BreakNode *)malloc(sizeof(BreakNode));
-  p->next = BreakList;
-  BreakList = p;
-  p->address = address;
-  p->type = type;
-  p->bound = bound;
-  p->inst = ARMul_ReadWord(state, address);
-  ARMul_WriteWord(state, address, 0xee000000L);
-  return p;
-}
-
-/***************************************************************************\
-*                               RDI_setbreak                                *
-\***************************************************************************/
-
-static int RDI_setbreak(ARMword address, unsigned type, ARMword bound,
-                        PointHandle *handle)
-{ BreakNode *p;
-  TracePrint((state, "RDI_setbreak: address=%.8lx type=%d bound=%.8lx\n",
-             address, type, bound));
-
-  removebreak(address, type);
-  p = installbreak(address, type, bound);
-  BreaksSet++ ;
-  state->CallDebug++ ;
-  *handle = (PointHandle)p;
-  TracePrint((state, " returns %.8lx\n", *handle));
-  return RDIError_NoError;
-}
-
-/***************************************************************************\
-*                               RDI_clearbreak                              *
-\***************************************************************************/
-
-static int RDI_clearbreak(PointHandle handle)
-{ TracePrint((state, "RDI_clearbreak: address=%.8lx\n", handle));
-  { BreakNode *p, **prevp = &BreakList;
-    for (; (p = *prevp) != NULL; prevp = &p->next)
-      if (p == (BreakNode *)handle) break;
-    if (p == NULL) return RDIError_NoSuchPoint;
-    deletebreaknode(prevp);
-    return RDIError_NoError;
-  }
-}
-
-/***************************************************************************\
-*            Internal functions for breakpoint table manipulation           *
-\***************************************************************************/
-
-static void deletewatchnode(WatchNode **prevp)
-{ WatchNode *p = *prevp;
-  if (p->datatype & Watch_AnyRead) state->MemReadDebug--;
-  if (p->datatype & Watch_AnyWrite) state->MemWriteDebug--;
-  *prevp = p->next;
-  free((char *)p);
-}
-
-int removewatch(ARMword address, unsigned type)
-{ WatchNode *p, **prevp = &WatchList;
-  for (; (p = *prevp) != NULL ; prevp = &p->next)
-    if (p->address == address && p->type == type) { /* found a match */
-       deletewatchnode(prevp);
-       return TRUE;
-    }
-  return FALSE; /* never found a match */
-}
-
-static WatchNode *installwatch(ARMword address, unsigned type, unsigned datatype,
-                               ARMword bound)
-{ WatchNode *p = (WatchNode *)malloc(sizeof(WatchNode));
-  p->next = WatchList;
-  WatchList = p;
-  p->address = address;
-  p->type = type;
-  p->datatype = datatype;
-  p->bound = bound;
-  return p;
-}
-
-/***************************************************************************\
-*                               RDI_setwatch                                *
-\***************************************************************************/
-
-static int RDI_setwatch(ARMword address, unsigned type, unsigned datatype,
-                        ARMword bound, PointHandle *handle)
-{ WatchNode *p;
-  TracePrint((state, "RDI_setwatch: address=%.8lx type=%d datatype=%d bound=%.8lx",
-              address, type, datatype, bound));
-
-  if (!state->CanWatch) return RDIError_UnimplementedMessage;
-
-  removewatch(address, type);
-  p = installwatch(address, type, datatype, bound);
-  if (datatype & Watch_AnyRead) state->MemReadDebug++;
-  if (datatype & Watch_AnyWrite) state->MemWriteDebug++;
-  *handle = (PointHandle)p;
-  TracePrint((state, " returns %.8lx\n", *handle));
-  return RDIError_NoError;
-}
-
-/***************************************************************************\
-*                               RDI_clearwatch                              *
-\***************************************************************************/
-
-static int RDI_clearwatch(PointHandle handle)
-{ TracePrint((state, "RDI_clearwatch: address=%.8lx\n", handle));
-  { WatchNode *p, **prevp = &WatchList;
-    for (; (p = *prevp) != NULL; prevp = &p->next)
-      if (p == (WatchNode *)handle) break;
-    if (p == NULL) return RDIError_NoSuchPoint;
-    deletewatchnode(prevp);
-    return RDIError_NoError;
-  }
-}
-
-/***************************************************************************\
-*                               RDI_execute                                 *
-\***************************************************************************/
-
-static int RDI_execute(PointHandle *handle)
-{
-  TracePrint((state, "RDI_execute\n"));
-  if (rdi_log & 4) {
-    state->CallDebug++ ;
-    state->Debug = TRUE ;
-  }
-  state->EndCondition = RDIError_NoError ;
-  state->StopHandle = 0;
-
-  ARMul_DoProg(state);
-
-  *handle = state->StopHandle;
-  state->Reg[15] -= 8 ; /* undo the pipeline */
-  if (rdi_log & 4) {
-    state->CallDebug-- ;
-    state->Debug = FALSE ;
-  }
-  return(state->EndCondition) ;
-}
-
-/***************************************************************************\
-*                                RDI_step                                   *
-\***************************************************************************/
-
-static int RDI_step(unsigned ninstr, PointHandle *handle)
-{
-
-  TracePrint((state, "RDI_step\n"));
-  if (ninstr != 1) return RDIError_UnimplementedMessage;
-  if (rdi_log & 4) {
-    state->CallDebug++ ;
-    state->Debug = TRUE ;
-  }
-  state->EndCondition = RDIError_NoError ;
-  state->StopHandle = 0;
-  ARMul_DoInstr(state) ;
-  *handle = state->StopHandle;
-  state->Reg[15] -= 8 ; /* undo the pipeline */
-  if (rdi_log & 4) {
-    state->CallDebug-- ;
-    state->Debug = FALSE ;
-  }
-  return(state->EndCondition) ;
-}
-
-/***************************************************************************\
-*                               RDI_info                                    *
-\***************************************************************************/
-
-static int RDI_info(unsigned type, ARMword *arg1, ARMword *arg2)
-{
-  switch (type) {
-  case RDIInfo_Target:
-    TracePrint((state, "RDI_Info_Target\n"));
-    /* Emulator, speed 10**5 IPS */
-    *arg1 = 5 | HIGHEST_RDI_LEVEL << 5 | LOWEST_RDI_LEVEL << 8;
-    *arg2 = 1298224434;
-    return RDIError_NoError;
-
-  case RDIInfo_Points:
-  { ARMword n = RDIPointCapability_Comparison | RDIPointCapability_Range |
-                RDIPointCapability_Mask | RDIPointCapability_Status;
-    TracePrint((state, "RDI_Info_Points\n"));
-    if (state->CanWatch) n |= (Watch_AnyRead+Watch_AnyWrite) << 2;
-    *arg1 = n;
-    return RDIError_NoError;
-  }
-
-  case RDIInfo_Step:
-    TracePrint((state, "RDI_Info_Step\n"));
-    *arg1 =  RDIStep_Single;
-    return RDIError_NoError;
-
-  case RDIInfo_MMU:
-    TracePrint((state, "RDI_Info_MMU\n"));
-    *arg1 = 1313820229 ;
-    return RDIError_NoError;
-
-  case RDISignal_Stop:
-    TracePrint((state, "RDISignal_Stop\n"));
-    state->CallDebug++ ;
-    state->EndCondition = RDIError_UserInterrupt ;
-    return RDIError_NoError;
-
-  case RDIVector_Catch:
-    TracePrint((state, "RDIVector_Catch %.8lx\n", *arg1));
-    state->VectorCatch = (unsigned)*arg1 ;
-    return RDIError_NoError;
-
-  case RDISet_Cmdline:
-    TracePrint((state, "RDI_Set_Cmdline %s\n", (char *)arg1));
-    state->CommandLine = (char *)malloc((unsigned)strlen((char *)arg1)+1) ;
-    (void)strcpy(state->CommandLine,(char *)arg1) ;
-    return RDIError_NoError;
-
-  case RDICycles:
-    TracePrint((state, "RDI_Info_Cycles\n"));
-    arg1[0] = 0;
-    arg1[1] = state->NumInstrs;
-    arg1[2] = 0;
-    arg1[3] = state->NumScycles;
-    arg1[4] = 0;
-    arg1[5] = state->NumNcycles;
-    arg1[6] = 0;
-    arg1[7] = state->NumIcycles;
-    arg1[8] = 0;
-    arg1[9] = state->NumCcycles;
-    arg1[10] = 0;
-    arg1[11] = state->NumFcycles;
-    return RDIError_NoError;
-
-  case RDIErrorP:
-    *arg1 = ARMul_OSLastErrorP(state);
-    TracePrint((state, "RDI_ErrorP returns %ld\n", *arg1));
-    return RDIError_NoError;
-
-  case RDIInfo_DescribeCoPro:
-  { int cpnum = *(int *)arg1;
-    struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *)arg2;
-    int i;
-    unsigned char const *map = state->CPRegWords[cpnum];
-    if (map == NULL) return RDIError_UnknownCoPro;
-    for (i = 0; i < cpd->entries; i++) {
-      unsigned r, w = cpd->regdesc[i].nbytes / sizeof(ARMword);
-      for (r = cpd->regdesc[i].rmin; r <= cpd->regdesc[i].rmax; r++)
-        if (map[r] != w) return RDIError_BadCoProState;
-    }
-    return RDIError_NoError;
-  }
-
-  case RDIInfo_RequestCoProDesc:
-  { int cpnum = *(int *)arg1;
-    struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *)arg2;
-    int i = -1, lastw = -1, r;
-    unsigned char const *map;
-    if ((unsigned)cpnum >= 16) return RDIError_UnknownCoPro;
-    map = state->CPRegWords[cpnum];
-    if (map == NULL) return RDIError_UnknownCoPro;
-    for (r = 0; r < map[-1]; r++) {
-      int words = map[r];
-      if (words == lastw)
-        cpd->regdesc[i].rmax = r;
-      else {
-        if (++i >= cpd->entries) return RDIError_BufferFull;
-        cpd->regdesc[i].rmax = cpd->regdesc[i].rmin = r;
-        cpd->regdesc[i].nbytes = words * sizeof(ARMword);
-        cpd->regdesc[i].access = Dbg_Access_Readable+Dbg_Access_Writable;
-      }
-    }
-    cpd->entries = i+1;
-    return RDIError_NoError;
-  }
-
-  case RDIInfo_Log:
-    *arg1 = (ARMword)rdi_log;
-    return RDIError_NoError;
-
-  case RDIInfo_SetLog:
-    rdi_log = (int)*arg1;
-    return RDIError_NoError;
-
-  case RDIInfo_CoPro:
-    return RDIError_NoError;
-
-  case RDIPointStatus_Watch:
-    { WatchNode *p, *handle = (WatchNode *)*arg1;
-      for (p = WatchList; p != NULL; p = p->next)
-        if (p == handle) {
-          *arg1 = -1;
-          *arg2 = 1;
-          return RDIError_NoError;
-        }
-      return RDIError_NoSuchPoint;
-    }
-
-  case RDIPointStatus_Break:
-    { BreakNode *p, *handle = (BreakNode *)*arg1;
-      for (p = BreakList; p != NULL; p = p->next)
-        if (p == handle) {
-          *arg1 = -1;
-          *arg2 = 1;
-          return RDIError_NoError;
-        }
-      return RDIError_NoSuchPoint;
-    }
-
-  case RDISet_RDILevel:
-    if (*arg1 < LOWEST_RDI_LEVEL || *arg1 > HIGHEST_RDI_LEVEL)
-      return RDIError_IncompatibleRDILevels;
-    MYrdi_level = *arg1;
-    return RDIError_NoError;
-
-  default:
-    return RDIError_UnimplementedMessage;
-
-  }
-}
-
-/***************************************************************************\
-* The emulator calls this routine at the beginning of every cycle when the  *
-* CallDebug flag is set.  The second parameter passed is the address of the *
-* currently executing instruction (i.e Program Counter - 8), the third      *
-* parameter is the instruction being executed.                              *
-\***************************************************************************/
-
-ARMword ARMul_Debug(ARMul_State *state, ARMword pc, ARMword instr)
-{
-
-  if (state->EndCondition == RDIError_UserInterrupt) {
-    TracePrint((state, "User interrupt at %.8lx\n", pc));
-    state->CallDebug--;
-    state->Emulate = STOP;
-  } else {
-    BreakNode *p = BreakList;
-    for (; p != NULL ; p = p->next) {
-      switch (p->type) {
-      case RDIPoint_EQ: if (pc == p->address) break; continue;
-      case RDIPoint_GT: if (pc >  p->address) break; continue;
-      case RDIPoint_GE: if (pc >= p->address) break; continue;
-      case RDIPoint_LT: if (pc <  p->address) break; continue;
-      case RDIPoint_LE: if (pc <= p->address) break; continue;
-      case RDIPoint_IN: if (p->address <= pc && pc < p->address+p->bound) break;
-                        continue;
-      case RDIPoint_OUT:if (p->address > pc || pc >= p->address+p->bound) break;
-                        continue;
-      case RDIPoint_MASK:if ((pc & p->bound) == p->address) break; continue;
-      }
-      /* found a match */
-      TracePrint((state, "Breakpoint reached at %.8lx\n", pc));
-      state->EndCondition = RDIError_BreakpointReached ;
-      state->Emulate = STOP;
-      state->StopHandle = (ARMword)p;
-      break;
-    }
-  }
-  return instr;
-}
-
-void ARMul_CheckWatch(ARMul_State *state, ARMword addr, int access)
-{ WatchNode *p;
-  for (p = WatchList; p != NULL; p = p->next)
-    if (p->datatype & access) {
-      switch (p->type) {
-      case RDIPoint_EQ: if (addr == p->address) break; continue;
-      case RDIPoint_GT: if (addr >  p->address) break; continue;
-      case RDIPoint_GE: if (addr >= p->address) break; continue;
-      case RDIPoint_LT: if (addr <  p->address) break; continue;
-      case RDIPoint_LE: if (addr <= p->address) break; continue;
-      case RDIPoint_IN: if (p->address <= addr && addr < p->address+p->bound) break;
-                        continue;
-      case RDIPoint_OUT:if (p->address > addr || addr >= p->address+p->bound) break;
-                        continue;
-      case RDIPoint_MASK:if ((addr & p->bound) == p->address) break; continue;
-      }
-      /* found a match */
-      TracePrint((state, "Watchpoint at %.8lx accessed\n", addr));
-      state->EndCondition = RDIError_WatchpointAccessed;
-      state->Emulate = STOP;
-      state->StopHandle = (ARMword)p;
-      return;
-   }
-}
-
-static RDI_NameList const *RDI_cpunames() {
-  return (RDI_NameList const *)&processorconfig.count;
-}
-
-const struct RDIProcVec armul_rdi = {
-    "ARMUL",
-    RDI_open,
-    RDI_close,
-    RDI_read,
-    RDI_write,
-    RDI_CPUread,
-    RDI_CPUwrite,
-    RDI_CPread,
-    RDI_CPwrite,
-    RDI_setbreak,
-    RDI_clearbreak,
-    RDI_setwatch,
-    RDI_clearwatch,
-    RDI_execute,
-    RDI_step,
-    RDI_info,
-
-    0, /*pointinq*/
-    0, /*addconfig*/
-    0, /*loadconfigdata*/
-    0, /*selectconfig*/
-    0, /*drivernames*/
-
-    RDI_cpunames
-};
-