#include <signal.h>
#include "sysdep.h"
#include "bfd.h"
+#include "callback.h"
#include "remote-sim.h"
#include "d10v_sim.h"
#define IMEM_SIZE 18 /* D10V instruction memory size is 18 bits */
-#define DMEM_SIZE 16 /* Data memory */
+#define DMEM_SIZE 16 /* Data memory is 64K (but only 32K internal RAM) */
+#define UMEM_SIZE 17 /* each unified memory region is 17 bits */
enum _leftright { LEFT_FIRST, RIGHT_FIRST };
+static char *myname;
+static SIM_OPEN_KIND sim_kind;
int d10v_debug;
host_callback *d10v_callback;
-long ins_type_counters[ (int)INS_MAX ];
-long left_nops, right_nops;
+unsigned long ins_type_counters[ (int)INS_MAX ];
uint16 OP[4];
+static int init_text_p = 0;
+/* non-zero if we opened prog_bfd */
+static int prog_bfd_was_opened_p;
+bfd *prog_bfd;
+asection *text;
+bfd_vma text_start;
+bfd_vma text_end;
+
+static long hash PARAMS ((long insn, int format));
static struct hash_entry *lookup_hash PARAMS ((uint32 ins, int size));
+static void get_operands PARAMS ((struct simops *s, uint32 ins));
+static void do_long PARAMS ((uint32 ins));
+static void do_2_short PARAMS ((uint16 ins1, uint16 ins2, enum _leftright leftright));
+static void do_parallel PARAMS ((uint16 ins1, uint16 ins2));
+static char *add_commas PARAMS ((char *buf, int sizeof_buf, unsigned long value));
+static void init_system PARAMS ((void));
+extern void sim_set_profile PARAMS ((int n));
+extern void sim_set_profile_size PARAMS ((int n));
+
+#ifndef INLINE
+#if defined(__GNUC__) && defined(__OPTIMIZE__)
+#define INLINE __inline__
+#else
+#define INLINE
+#endif
+#endif
#define MAX_HASH 63
struct hash_entry
struct hash_entry *next;
long opcode;
long mask;
+ int size;
struct simops *ops;
};
struct hash_entry hash_table[MAX_HASH+1];
-static long
+INLINE static long
hash(insn, format)
long insn;
int format;
return((insn & 0x7E00) >> 9);
}
-static struct hash_entry *
+INLINE static struct hash_entry *
lookup_hash (ins, size)
uint32 ins;
int size;
else
h = &hash_table[(ins & 0x7E00) >> 9];
- while ( (ins & h->mask) != h->opcode)
+ while ((ins & h->mask) != h->opcode || h->size != size)
{
if (h->next == NULL)
{
(*d10v_callback->printf_filtered) (d10v_callback, "ERROR looking up hash for %x at PC %x\n",ins, PC);
- exit(1);
+ exit (1);
}
h = h->next;
}
return (h);
}
-uint32
-get_longword (x)
- uint8 *x;
-{
- uint8 *a = x;
- return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + (a[3]);
-}
-
-int64
-get_longlong (x)
- uint8 *x;
-{
- uint8 *a = x;
- return ((int64)a[0]<<56) + ((int64)a[1]<<48) + ((int64)a[2]<<40) + ((int64)a[3]<<32) +
- ((int64)a[4]<< 24) + ((int64)a[5]<<16) + ((int64)a[6]<<8) + (int64)a[7];
-}
-
-uint16
-get_word (x)
- uint8 *x;
-{
- uint8 *a = x;
- return ((uint16)a[0]<<8) + a[1];
-}
-
-
-void
-write_word (addr, data)
- uint8 *addr;
- uint16 data;
-{
- uint8 *a = addr;
- a[0] = data >> 8;
- a[1] = data & 0xff;
-}
-
-void
-write_longword (addr, data)
- uint8 *addr;
- uint32 data;
-{
- addr[0] = (data >> 24) & 0xff;
- addr[1] = (data >> 16) & 0xff;
- addr[2] = (data >> 8) & 0xff;
- addr[3] = data & 0xff;
-}
-
-void
-write_longlong (addr, data)
- uint8 *addr;
- int64 data;
-{
- uint8 *a = addr;
- a[0] = data >> 56;
- a[1] = (data >> 48) & 0xff;
- a[2] = (data >> 40) & 0xff;
- a[3] = (data >> 32) & 0xff;
- a[4] = (data >> 24) & 0xff;
- a[5] = (data >> 16) & 0xff;
- a[6] = (data >> 8) & 0xff;
- a[7] = data & 0xff;
-}
-
-static void
+INLINE static void
get_operands (struct simops *s, uint32 ins)
{
int i, shift, bits, flags;
}
}
+bfd_vma
+decode_pc ()
+{
+ asection *s;
+ if (!init_text_p)
+ {
+ init_text_p = 1;
+ for (s = prog_bfd->sections; s; s = s->next)
+ if (strcmp (bfd_get_section_name (prog_bfd, s), ".text") == 0)
+ {
+ text = s;
+ text_start = bfd_get_section_vma (prog_bfd, s);
+ text_end = text_start + bfd_section_size (prog_bfd, s);
+ break;
+ }
+ }
+
+ return (PC << 2) + text_start;
+}
+
static void
do_long (ins)
uint32 ins;
ins_type_counters[ (int)State.ins_type ]++;
(h->ops->func)();
}
+
static void
do_2_short (ins1, ins2, leftright)
uint16 ins1, ins2;
enum _leftright leftright;
{
struct hash_entry *h;
+ reg_t orig_pc = PC;
+ enum _ins_type first, second;
+
#ifdef DEBUG
if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
(*d10v_callback->printf_filtered) (d10v_callback, "do_2_short 0x%x (%s) -> 0x%x\n",
ins1, (leftright) ? "left" : "right", ins2);
#endif
- /* printf ("do_2_short %x -> %x\n",ins1,ins2); */
+
+ if (leftright == LEFT_FIRST)
+ {
+ first = INS_LEFT;
+ second = INS_RIGHT;
+ ins_type_counters[ (int)INS_LEFTRIGHT ]++;
+ }
+ else
+ {
+ first = INS_RIGHT;
+ second = INS_LEFT;
+ ins_type_counters[ (int)INS_RIGHTLEFT ]++;
+ }
+
h = lookup_hash (ins1, 0);
get_operands (h->ops, ins1);
- State.ins_type = (leftright == LEFT_FIRST) ? INS_LEFT : INS_RIGHT;
- ins_type_counters[ (int)State.ins_type ]++;
- (h->ops->func)();
- h = lookup_hash (ins2, 0);
- get_operands (h->ops, ins2);
- State.ins_type = (leftright == LEFT_FIRST) ? INS_RIGHT : INS_LEFT;
+ State.ins_type = first;
ins_type_counters[ (int)State.ins_type ]++;
(h->ops->func)();
+
+ /* If the PC has changed (ie, a jump), don't do the second instruction */
+ if (orig_pc == PC && !State.exception)
+ {
+ h = lookup_hash (ins2, 0);
+ get_operands (h->ops, ins2);
+ State.ins_type = second;
+ ins_type_counters[ (int)State.ins_type ]++;
+ ins_type_counters[ (int)INS_CYCLES ]++;
+ (h->ops->func)();
+ }
+ else if (orig_pc != PC && !State.exception)
+ ins_type_counters[ (int)INS_COND_JUMP ]++;
}
+
static void
do_parallel (ins1, ins2)
uint16 ins1, ins2;
if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
(*d10v_callback->printf_filtered) (d10v_callback, "do_parallel 0x%x || 0x%x\n", ins1, ins2);
#endif
+ ins_type_counters[ (int)INS_PARALLEL ]++;
h1 = lookup_hash (ins1, 0);
h2 = lookup_hash (ins2, 0);
if (h1->ops->exec_type == PARONLY)
{
get_operands (h1->ops, ins1);
- State.ins_type = INS_LEFT;
+ State.ins_type = INS_LEFT_COND_TEST;
ins_type_counters[ (int)State.ins_type ]++;
(h1->ops->func)();
if (State.exe)
{
+ ins_type_counters[ (int)INS_COND_TRUE ]++;
get_operands (h2->ops, ins2);
- State.ins_type = INS_RIGHT;
+ State.ins_type = INS_RIGHT_COND_EXE;
+ ins_type_counters[ (int)State.ins_type ]++;
(h2->ops->func)();
}
+ else
+ ins_type_counters[ (int)INS_COND_FALSE ]++;
}
else if (h2->ops->exec_type == PARONLY)
{
get_operands (h2->ops, ins2);
- State.ins_type = INS_RIGHT;
+ State.ins_type = INS_RIGHT_COND_TEST;
ins_type_counters[ (int)State.ins_type ]++;
(h2->ops->func)();
if (State.exe)
{
+ ins_type_counters[ (int)INS_COND_TRUE ]++;
get_operands (h1->ops, ins1);
- State.ins_type = INS_LEFT;
+ State.ins_type = INS_LEFT_COND_EXE;
+ ins_type_counters[ (int)State.ins_type ]++;
(h1->ops->func)();
}
+ else
+ ins_type_counters[ (int)INS_COND_FALSE ]++;
}
else
{
State.ins_type = INS_LEFT_PARALLEL;
ins_type_counters[ (int)State.ins_type ]++;
(h1->ops->func)();
- get_operands (h2->ops, ins2);
- State.ins_type = INS_RIGHT_PARALLEL;
- ins_type_counters[ (int)State.ins_type ]++;
- (h2->ops->func)();
+ if (!State.exception)
+ {
+ get_operands (h2->ops, ins2);
+ State.ins_type = INS_RIGHT_PARALLEL;
+ ins_type_counters[ (int)State.ins_type ]++;
+ (h2->ops->func)();
+ }
}
}
+static char *
+add_commas(buf, sizeof_buf, value)
+ char *buf;
+ int sizeof_buf;
+ unsigned long value;
+{
+ int comma = 3;
+ char *endbuf = buf + sizeof_buf - 1;
+
+ *--endbuf = '\0';
+ do {
+ if (comma-- == 0)
+ {
+ *--endbuf = ',';
+ comma = 2;
+ }
+
+ *--endbuf = (value % 10) + '0';
+ } while ((value /= 10) != 0);
+
+ return endbuf;
+}
void
sim_size (power)
int power;
{
+ int i;
+
if (State.imem)
{
+ for (i=0;i<128;i++)
+ {
+ if (State.umem[i])
+ {
+ free (State.umem[i]);
+ State.umem[i] = NULL;
+ }
+ }
free (State.imem);
free (State.dmem);
}
State.imem = (uint8 *)calloc(1,1<<IMEM_SIZE);
State.dmem = (uint8 *)calloc(1,1<<DMEM_SIZE);
- if (!State.imem || !State.dmem )
+ for (i=1;i<127;i++)
+ State.umem[i] = NULL;
+ State.umem[0] = (uint8 *)calloc(1,1<<UMEM_SIZE);
+ State.umem[1] = (uint8 *)calloc(1,1<<UMEM_SIZE);
+ State.umem[2] = (uint8 *)calloc(1,1<<UMEM_SIZE);
+ State.umem[127] = (uint8 *)calloc(1,1<<UMEM_SIZE);
+ if (!State.imem || !State.dmem || !State.umem[0] || !State.umem[1] || !State.umem[2] || !State.umem[127] )
{
(*d10v_callback->printf_filtered) (d10v_callback, "Memory allocation failed.\n");
exit(1);
}
+
+ SET_IMAP0(0x1000);
+ SET_IMAP1(0x1000);
+ SET_DMAP(0);
#ifdef DEBUG
if ((d10v_debug & DEBUG_MEMSIZE) != 0)
{
- (*d10v_callback->printf_filtered) (d10v_callback, "Allocated %d bytes instruction memory and\n",1<<IMEM_SIZE);
- (*d10v_callback->printf_filtered) (d10v_callback, " %d bytes data memory.\n", 1<<DMEM_SIZE);
+ char buffer[20];
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "Allocated %s bytes instruction memory and\n",
+ add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)));
+
+ (*d10v_callback->printf_filtered) (d10v_callback, " %s bytes data memory.\n",
+ add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)));
}
#endif
}
sim_size(1);
}
-int
-sim_write (addr, buffer, size)
+static int
+xfer_mem (addr, buffer, size, write)
SIM_ADDR addr;
unsigned char *buffer;
int size;
+ int write;
{
- int i;
- init_system ();
+ if (!State.imem)
+ init_system ();
+
+#ifdef DEBUG
+ if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
+ {
+ if (write)
+ (*d10v_callback->printf_filtered) (d10v_callback, "sim_write %d bytes to 0x%x\n", size, addr);
+ else
+ (*d10v_callback->printf_filtered) (d10v_callback, "sim_read %d bytes from 0x%x\n", size, addr);
+ }
+#endif
- /* (*d10v_callback->printf_filtered) (d10v_callback, "sim_write %d bytes to 0x%x\n",size,addr); */
- for (i = 0; i < size; i++)
+ /* to access data, we use the following mapping */
+ /* 0x01000000 - 0x0103ffff : instruction memory */
+ /* 0x02000000 - 0x0200ffff : data memory */
+ /* 0x00000000 - 0x00ffffff : unified memory */
+
+ if ( (addr & 0x03000000) == 0)
{
- State.imem[i+addr] = buffer[i];
+ /* UNIFIED MEMORY */
+ int segment;
+ segment = addr >> UMEM_SIZE;
+ addr &= 0x1ffff;
+ if (!State.umem[segment])
+ {
+#ifdef DEBUG
+ (*d10v_callback->printf_filtered) (d10v_callback,"Allocating %s bytes unified memory to region %d\n",
+ add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)), segment);
+#endif
+ State.umem[segment] = (uint8 *)calloc(1,1<<UMEM_SIZE);
+ }
+ if (!State.umem[segment])
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "Memory allocation failed.\n");
+ exit(1);
+ }
+ /* FIXME: need to check size and read/write multiple segments if necessary */
+ if (write)
+ memcpy (State.umem[segment]+addr, buffer, size) ;
+ else
+ memcpy (buffer, State.umem[segment]+addr, size);
}
+ else if ( (addr & 0x03000000) == 0x02000000)
+ {
+ /* DATA MEMORY */
+ addr &= ~0x02000000;
+ if (size > (1<<(DMEM_SIZE-1)))
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: data section is only %d bytes.\n",1<<(DMEM_SIZE-1));
+ exit(1);
+ }
+ if (write)
+ memcpy (State.dmem+addr, buffer, size);
+ else
+ memcpy (buffer, State.dmem+addr, size);
+ }
+ else if ( (addr & 0x03000000) == 0x01000000)
+ {
+ /* INSTRUCTION MEMORY */
+ addr &= ~0x01000000;
+ if (size > (1<<IMEM_SIZE))
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: inst section is only %d bytes.\n",1<<IMEM_SIZE);
+ exit(1);
+ }
+ if (write)
+ memcpy (State.imem+addr, buffer, size);
+ else
+ memcpy (buffer, State.imem+addr, size);
+ }
+ else if (write)
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: address 0x%x is not in valid range\n",addr);
+ (*d10v_callback->printf_filtered) (d10v_callback, "Instruction addresses start at 0x01000000\n");
+ (*d10v_callback->printf_filtered) (d10v_callback, "Data addresses start at 0x02000000\n");
+ (*d10v_callback->printf_filtered) (d10v_callback, "Unified addresses start at 0x00000000\n");
+ exit(1);
+ }
+ else
+ return 0;
+
return size;
}
-void
-sim_open (args)
- char *args;
+
+static int
+sim_write_phys (sd, addr, buffer, size)
+ SIM_DESC sd;
+ SIM_ADDR addr;
+ unsigned char *buffer;
+ int size;
+{
+ return xfer_mem( addr, buffer, size, 1);
+}
+
+int
+sim_write (sd, addr, buffer, size)
+ SIM_DESC sd;
+ SIM_ADDR addr;
+ unsigned char *buffer;
+ int size;
+{
+ /* FIXME: this should be performing a virtual transfer */
+ return xfer_mem( addr, buffer, size, 1);
+}
+
+int
+sim_read (sd, addr, buffer, size)
+ SIM_DESC sd;
+ SIM_ADDR addr;
+ unsigned char *buffer;
+ int size;
+{
+ /* FIXME: this should be performing a virtual transfer */
+ return xfer_mem( addr, buffer, size, 0);
+}
+
+
+SIM_DESC
+sim_open (kind, callback, abfd, argv)
+ SIM_OPEN_KIND kind;
+ host_callback *callback;
+ struct _bfd *abfd;
+ char **argv;
{
struct simops *s;
- struct hash_entry *h, *prev;
- if (args != NULL)
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_open %s\n",args);
+ struct hash_entry *h;
+ static int init_p = 0;
+ char **p;
+ sim_kind = kind;
+ d10v_callback = callback;
+ myname = argv[0];
+
+ for (p = argv + 1; *p; ++p)
+ {
+#ifdef DEBUG
+ if (strcmp (*p, "-t") == 0)
+ d10v_debug = DEBUG;
+ else
+#endif
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unsupported option(s): %s\n",*p);
+ }
+
/* put all the opcodes in the hash table */
- for (s = Simops; s->func; s++)
+ if (!init_p++)
{
- h = &hash_table[hash(s->opcode,s->format)];
-
- /* go to the last entry in the chain */
- while (h->next)
- h = h->next;
-
- if (h->ops)
+ for (s = Simops; s->func; s++)
{
- h->next = calloc(1,sizeof(struct hash_entry));
- h = h->next;
+ h = &hash_table[hash(s->opcode,s->format)];
+
+ /* go to the last entry in the chain */
+ while (h->next)
+ h = h->next;
+
+ if (h->ops)
+ {
+ h->next = (struct hash_entry *) calloc(1,sizeof(struct hash_entry));
+ if (!h->next)
+ perror ("malloc failure");
+
+ h = h->next;
+ }
+ h->ops = s;
+ h->mask = s->mask;
+ h->opcode = s->opcode;
+ h->size = s->is_long;
}
- h->ops = s;
- h->mask = s->mask;
- h->opcode = s->opcode;
}
+
+ /* Fudge our descriptor. */
+ return (SIM_DESC) 1;
}
void
-sim_close (quitting)
+sim_close (sd, quitting)
+ SIM_DESC sd;
int quitting;
{
- /* nothing to do */
+ if (prog_bfd != NULL && prog_bfd_was_opened_p)
+ bfd_close (prog_bfd);
}
void
(*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile_size %d\n",n);
}
+
+uint8 *
+dmem_addr( addr )
+ uint32 addr;
+{
+ int seg;
+
+ addr &= 0xffff;
+
+ if (addr > 0xbfff)
+ {
+ if ( (addr & 0xfff0) != 0xff00)
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "Data address 0x%lx is in I/O space, pc = 0x%lx.\n",
+ (long)addr, (long)decode_pc ());
+ State.exception = SIGBUS;
+ }
+
+ return State.dmem + addr;
+ }
+
+ if (addr > 0x7fff)
+ {
+ if (DMAP & 0x1000)
+ {
+ /* instruction memory */
+ return (DMAP & 0xf) * 0x4000 + State.imem;
+ }
+ /* unified memory */
+ /* this is ugly because we allocate unified memory in 128K segments and */
+ /* dmap addresses 16k segments */
+ seg = (DMAP & 0x3ff) >> 3;
+ if (State.umem[seg] == NULL)
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unified memory region %d unmapped, pc = 0x%lx\n",
+ seg, (long)decode_pc ());
+ State.exception = SIGBUS;
+ }
+ return State.umem[seg] + (DMAP & 7) * 0x4000;
+ }
+
+ return State.dmem + addr;
+}
+
+
+static uint8 *
+pc_addr()
+{
+ uint32 pc = ((uint32)PC) << 2;
+ uint16 imap;
+
+ if (pc & 0x20000)
+ imap = IMAP1;
+ else
+ imap = IMAP0;
+
+ if (imap & 0x1000)
+ return State.imem + pc;
+
+ if (State.umem[imap & 0xff] == NULL)
+ {
+ (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unified memory region %d unmapped, pc = 0x%lx\n",
+ imap & 0xff, (long)PC);
+ State.exception = SIGBUS;
+ return 0;
+ }
+
+ /* Discard upper bit(s) of PC in case IMAP1 selects unified memory. */
+ pc &= (1 << UMEM_SIZE) - 1;
+
+ return State.umem[imap & 0xff] + pc;
+}
+
+
+static int stop_simulator;
+
+static void
+sim_ctrl_c()
+{
+ stop_simulator = 1;
+}
+
+
+int
+sim_stop (sd)
+ SIM_DESC sd;
+{
+ stop_simulator = 1;
+ return 1;
+}
+
+
+/* Run (or resume) the program. */
void
-sim_resume (step, siggnal)
+sim_resume (sd, step, siggnal)
+ SIM_DESC sd;
int step, siggnal;
{
+ void (*prev) ();
uint32 inst;
- int i;
- reg_t oldpc;
/* (*d10v_callback->printf_filtered) (d10v_callback, "sim_resume (%d,%d) PC=0x%x\n",step,siggnal,PC); */
+ State.exception = 0;
+ prev = signal(SIGINT, sim_ctrl_c);
+ stop_simulator = step;
- if (step)
- State.exception = SIGTRAP;
- else
- State.exception = 0;
-
- do
- {
- inst = RLW (PC << 2);
- oldpc = PC;
- switch (inst & 0xC0000000)
- {
- case 0xC0000000:
- /* long instruction */
- do_long (inst & 0x3FFFFFFF);
- break;
- case 0x80000000:
- /* R -> L */
- do_2_short ( inst & 0x7FFF, (inst & 0x3FFF8000) >> 15, 0);
- break;
- case 0x40000000:
- /* L -> R */
- do_2_short ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF, 1);
- break;
- case 0:
- do_parallel ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF);
- break;
- }
-
- if (State.RP && PC == RPT_E)
- {
- RPT_C -= 1;
- if (RPT_C == 0)
- State.RP = 0;
- else
- PC = RPT_S;
- }
-
- /* FIXME */
- if (PC == oldpc)
- PC++;
- }
- while (!State.exception);
+ do
+ {
+ inst = get_longword( pc_addr() );
+ State.pc_changed = 0;
+ ins_type_counters[ (int)INS_CYCLES ]++;
+ switch (inst & 0xC0000000)
+ {
+ case 0xC0000000:
+ /* long instruction */
+ do_long (inst & 0x3FFFFFFF);
+ break;
+ case 0x80000000:
+ /* R -> L */
+ do_2_short ( inst & 0x7FFF, (inst & 0x3FFF8000) >> 15, 0);
+ break;
+ case 0x40000000:
+ /* L -> R */
+ do_2_short ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF, 1);
+ break;
+ case 0:
+ do_parallel ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF);
+ break;
+ }
+
+ if (State.RP && PC == RPT_E)
+ {
+ RPT_C -= 1;
+ if (RPT_C == 0)
+ {
+ State.RP = 0;
+ PC++;
+ }
+ else
+ PC = RPT_S;
+ }
+ else if (!State.pc_changed)
+ PC++;
+ }
+ while ( !State.exception && !stop_simulator);
+
+ if (step && !State.exception)
+ State.exception = SIGTRAP;
+
+ signal(SIGINT, prev);
}
int
-sim_trace ()
+sim_trace (sd)
+ SIM_DESC sd;
{
#ifdef DEBUG
d10v_debug = DEBUG;
#endif
- sim_resume (0, 0);
+ sim_resume (sd, 0, 0);
return 1;
}
void
-sim_info (verbose)
+sim_info (sd, verbose)
+ SIM_DESC sd;
int verbose;
{
- char buf[40];
- int size;
- long total = (ins_type_counters[ (int)INS_LONG ]
- + ins_type_counters[ (int)INS_LEFT ]
- + ins_type_counters[ (int)INS_LEFT_PARALLEL ]
- + ins_type_counters[ (int)INS_RIGHT ]
- + ins_type_counters[ (int)INS_RIGHT_PARALLEL ]);
-
- sprintf (buf, "%ld", total);
- size = strlen (buf);
+ char buf1[40];
+ char buf2[40];
+ char buf3[40];
+ char buf4[40];
+ char buf5[40];
+ unsigned long left = ins_type_counters[ (int)INS_LEFT ] + ins_type_counters[ (int)INS_LEFT_COND_EXE ];
+ unsigned long left_nops = ins_type_counters[ (int)INS_LEFT_NOPS ];
+ unsigned long left_parallel = ins_type_counters[ (int)INS_LEFT_PARALLEL ];
+ unsigned long left_cond = ins_type_counters[ (int)INS_LEFT_COND_TEST ];
+ unsigned long left_total = left + left_parallel + left_cond + left_nops;
+
+ unsigned long right = ins_type_counters[ (int)INS_RIGHT ] + ins_type_counters[ (int)INS_RIGHT_COND_EXE ];
+ unsigned long right_nops = ins_type_counters[ (int)INS_RIGHT_NOPS ];
+ unsigned long right_parallel = ins_type_counters[ (int)INS_RIGHT_PARALLEL ];
+ unsigned long right_cond = ins_type_counters[ (int)INS_RIGHT_COND_TEST ];
+ unsigned long right_total = right + right_parallel + right_cond + right_nops;
+
+ unsigned long unknown = ins_type_counters[ (int)INS_UNKNOWN ];
+ unsigned long ins_long = ins_type_counters[ (int)INS_LONG ];
+ unsigned long parallel = ins_type_counters[ (int)INS_PARALLEL ];
+ unsigned long leftright = ins_type_counters[ (int)INS_LEFTRIGHT ];
+ unsigned long rightleft = ins_type_counters[ (int)INS_RIGHTLEFT ];
+ unsigned long cond_true = ins_type_counters[ (int)INS_COND_TRUE ];
+ unsigned long cond_false = ins_type_counters[ (int)INS_COND_FALSE ];
+ unsigned long cond_jump = ins_type_counters[ (int)INS_COND_JUMP ];
+ unsigned long cycles = ins_type_counters[ (int)INS_CYCLES ];
+ unsigned long total = (unknown + left_total + right_total + ins_long);
+
+ int size = strlen (add_commas (buf1, sizeof (buf1), total));
+ int parallel_size = strlen (add_commas (buf1, sizeof (buf1),
+ (left_parallel > right_parallel) ? left_parallel : right_parallel));
+ int cond_size = strlen (add_commas (buf1, sizeof (buf1), (left_cond > right_cond) ? left_cond : right_cond));
+ int nop_size = strlen (add_commas (buf1, sizeof (buf1), (left_nops > right_nops) ? left_nops : right_nops));
+ int normal_size = strlen (add_commas (buf1, sizeof (buf1), (left > right) ? left : right));
(*d10v_callback->printf_filtered) (d10v_callback,
- "executed %*ld instructions in the left container, %*ld parallel, %*ld nops\n",
- size, ins_type_counters[ (int)INS_LEFT ] + ins_type_counters[ (int)INS_LEFT_PARALLEL ],
- size, ins_type_counters[ (int)INS_LEFT_PARALLEL ],
- size, left_nops);
+ "executed %*s left instruction(s), %*s normal, %*s parallel, %*s EXExxx, %*s nops\n",
+ size, add_commas (buf1, sizeof (buf1), left_total),
+ normal_size, add_commas (buf2, sizeof (buf2), left),
+ parallel_size, add_commas (buf3, sizeof (buf3), left_parallel),
+ cond_size, add_commas (buf4, sizeof (buf4), left_cond),
+ nop_size, add_commas (buf5, sizeof (buf5), left_nops));
(*d10v_callback->printf_filtered) (d10v_callback,
- "executed %*ld instructions in the right container, %*ld parallel, %*ld nops\n",
- size, ins_type_counters[ (int)INS_RIGHT ] + ins_type_counters[ (int)INS_RIGHT_PARALLEL ],
- size, ins_type_counters[ (int)INS_RIGHT_PARALLEL ],
- size, right_nops);
+ "executed %*s right instruction(s), %*s normal, %*s parallel, %*s EXExxx, %*s nops\n",
+ size, add_commas (buf1, sizeof (buf1), right_total),
+ normal_size, add_commas (buf2, sizeof (buf2), right),
+ parallel_size, add_commas (buf3, sizeof (buf3), right_parallel),
+ cond_size, add_commas (buf4, sizeof (buf4), right_cond),
+ nop_size, add_commas (buf5, sizeof (buf5), right_nops));
+
+ if (ins_long)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s long instruction(s)\n",
+ size, add_commas (buf1, sizeof (buf1), ins_long));
+
+ if (parallel)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s parallel instruction(s)\n",
+ size, add_commas (buf1, sizeof (buf1), parallel));
+
+ if (leftright)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s instruction(s) encoded L->R\n",
+ size, add_commas (buf1, sizeof (buf1), leftright));
+
+ if (rightleft)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s instruction(s) encoded R->L\n",
+ size, add_commas (buf1, sizeof (buf1), rightleft));
+
+ if (unknown)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s unknown instruction(s)\n",
+ size, add_commas (buf1, sizeof (buf1), unknown));
+
+ if (cond_true)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "executed %*s instruction(s) due to EXExxx condition being true\n",
+ size, add_commas (buf1, sizeof (buf1), cond_true));
+
+ if (cond_false)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "skipped %*s instruction(s) due to EXExxx condition being false\n",
+ size, add_commas (buf1, sizeof (buf1), cond_false));
+
+ if (cond_jump)
+ (*d10v_callback->printf_filtered) (d10v_callback,
+ "skipped %*s instruction(s) due to conditional branch succeeding\n",
+ size, add_commas (buf1, sizeof (buf1), cond_jump));
(*d10v_callback->printf_filtered) (d10v_callback,
- "executed %*ld long instructions\n",
- size, ins_type_counters[ (int)INS_LONG ]);
+ "executed %*s cycle(s)\n",
+ size, add_commas (buf1, sizeof (buf1), cycles));
(*d10v_callback->printf_filtered) (d10v_callback,
- "executed %*ld total instructions\n",
- size, total);
+ "executed %*s total instructions\n",
+ size, add_commas (buf1, sizeof (buf1), total));
}
-void
-sim_create_inferior (start_address, argv, env)
- SIM_ADDR start_address;
+SIM_RC
+sim_create_inferior (sd, abfd, argv, env)
+ SIM_DESC sd;
+ struct _bfd *abfd;
char **argv;
char **env;
{
+ bfd_vma start_address;
+
+ /* reset all state information */
+ memset (&State.regs, 0, (int)&State.imem - (int)&State.regs[0]);
+
+ /* set PC */
+ if (abfd != NULL)
+ start_address = bfd_get_start_address (prog_bfd);
+ else
+ start_address = 0xffc0 << 2;
#ifdef DEBUG
if (d10v_debug)
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_create_inferior: PC=0x%x\n", start_address);
+ (*d10v_callback->printf_filtered) (d10v_callback, "sim_create_inferior: PC=0x%lx\n", (long) start_address);
#endif
PC = start_address >> 2;
-}
+ /* cpu resets imap0 to 0 and imap1 to 0x7f, but D10V-EVA board */
+ /* resets imap0 and imap1 to 0x1000. */
-void
-sim_kill ()
-{
- /* nothing to do */
+ SET_IMAP0(0x1000);
+ SET_IMAP1(0x1000);
+ SET_DMAP(0);
+
+ return SIM_RC_OK;
}
+
void
-sim_set_callbacks(p)
+sim_set_callbacks (p)
host_callback *p;
{
-/* printf ("sim_set_callbacks\n"); */
d10v_callback = p;
}
void
-sim_stop_reason (reason, sigrc)
+sim_stop_reason (sd, reason, sigrc)
+ SIM_DESC sd;
enum sim_stop *reason;
int *sigrc;
{
/* (*d10v_callback->printf_filtered) (d10v_callback, "sim_stop_reason: PC=0x%x\n",PC<<2); */
- if (State.exception == SIGQUIT)
+ switch (State.exception)
{
+ case SIG_D10V_STOP: /* stop instruction */
*reason = sim_exited;
- *sigrc = State.exception;
- }
- else
- {
+ *sigrc = 0;
+ break;
+
+ case SIG_D10V_EXIT: /* exit trap */
+ *reason = sim_exited;
+ *sigrc = State.regs[2];
+ break;
+
+ default: /* some signal */
*reason = sim_stopped;
*sigrc = State.exception;
+ break;
}
}
void
-sim_fetch_register (rn, memory)
+sim_fetch_register (sd, rn, memory)
+ SIM_DESC sd;
int rn;
unsigned char *memory;
{
- if (rn > 31)
- {
- WRITE_64 (memory, State.a[rn-32]);
- /* (*d10v_callback->printf_filtered) (d10v_callback, "sim_fetch_register %d 0x%llx\n",rn,State.a[rn-32]); */
- }
+ if (!State.imem)
+ init_system();
+
+ if (rn > 34)
+ WRITE_64 (memory, State.a[rn-35]);
+ else if (rn == 32)
+ WRITE_16 (memory, IMAP0);
+ else if (rn == 33)
+ WRITE_16 (memory, IMAP1);
+ else if (rn == 34)
+ WRITE_16 (memory, DMAP);
else
- {
- WRITE_16 (memory, State.regs[rn]);
- /* (*d10v_callback->printf_filtered) (d10v_callback, "sim_fetch_register %d 0x%x\n",rn,State.regs[rn]); */
- }
+ WRITE_16 (memory, State.regs[rn]);
}
void
-sim_store_register (rn, memory)
+sim_store_register (sd, rn, memory)
+ SIM_DESC sd;
int rn;
unsigned char *memory;
{
- if (rn > 31)
- {
- State.a[rn-32] = READ_64 (memory) & MASK40;
- /* (*d10v_callback->printf_filtered) (d10v_callback, "store: a%d=0x%llx\n",rn-32,State.a[rn-32]); */
- }
+ if (!State.imem)
+ init_system();
+
+ if (rn > 34)
+ State.a[rn-35] = READ_64 (memory) & MASK40;
+ else if (rn == 34)
+ SET_DMAP( READ_16(memory) );
+ else if (rn == 33)
+ SET_IMAP1( READ_16(memory) );
+ else if (rn == 32)
+ SET_IMAP0( READ_16(memory) );
else
- {
- State.regs[rn]= READ_16 (memory);
- /* (*d10v_callback->printf_filtered) (d10v_callback, "store: r%d=0x%x\n",rn,State.regs[rn]); */
- }
+ State.regs[rn]= READ_16 (memory);
}
-sim_read (addr, buffer, size)
- SIM_ADDR addr;
- unsigned char *buffer;
- int size;
-{
- int i;
- for (i = 0; i < size; i++)
- {
- buffer[i] = State.imem[addr + i];
- }
- return size;
-}
void
-sim_do_command (cmd)
+sim_do_command (sd, cmd)
+ SIM_DESC sd;
char *cmd;
{
(*d10v_callback->printf_filtered) (d10v_callback, "sim_do_command: %s\n",cmd);
}
-int
-sim_load (prog, from_tty)
+SIM_RC
+sim_load (sd, prog, abfd, from_tty)
+ SIM_DESC sd;
char *prog;
+ bfd *abfd;
int from_tty;
{
- /* Return nonzero so GDB will handle it. */
- return 1;
+ extern bfd *sim_load_file (); /* ??? Don't know where this should live. */
+
+ if (prog_bfd != NULL && prog_bfd_was_opened_p)
+ bfd_close (prog_bfd);
+ prog_bfd = sim_load_file (sd, myname, d10v_callback, prog, abfd,
+ sim_kind == SIM_OPEN_DEBUG,
+ 0, sim_write_phys);
+ if (prog_bfd == NULL)
+ return SIM_RC_FAIL;
+ prog_bfd_was_opened_p = abfd == NULL;
+ return SIM_RC_OK;
}
projects / deliverable / binutils-gdb.git / blobdiff