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-rw-r--r--sim/d10v/interp.c1069
1 files changed, 0 insertions, 1069 deletions
diff --git a/sim/d10v/interp.c b/sim/d10v/interp.c
deleted file mode 100644
index ad6e920..0000000
--- a/sim/d10v/interp.c
+++ /dev/null
@@ -1,1069 +0,0 @@
-#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 is 64K (but only 32K internal RAM) */
-#define UMEM_SIZE 17 /* Each unified memory segment is 17 bits */
-#define UMEM_SEGMENTS 128 /* Number of segments in unified memory region */
-
-enum _leftright { LEFT_FIRST, RIGHT_FIRST };
-
-static char *myname;
-static SIM_OPEN_KIND sim_kind;
-int d10v_debug;
-host_callback *d10v_callback;
-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));
-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];
-
-INLINE static long
-hash(insn, format)
- long insn;
- int format;
-{
- if (format & LONG_OPCODE)
- return ((insn & 0x3F000000) >> 24);
- else
- return((insn & 0x7E00) >> 9);
-}
-
-INLINE static struct hash_entry *
-lookup_hash (ins, size)
- uint32 ins;
- int size;
-{
- struct hash_entry *h;
-
- if (size)
- h = &hash_table[(ins & 0x3F000000) >> 24];
- else
- h = &hash_table[(ins & 0x7E00) >> 9];
-
- 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);
- }
- h = h->next;
- }
- return (h);
-}
-
-INLINE static void
-get_operands (struct simops *s, uint32 ins)
-{
- int i, shift, bits, flags;
- uint32 mask;
- for (i=0; i < s->numops; i++)
- {
- shift = s->operands[3*i];
- bits = s->operands[3*i+1];
- flags = s->operands[3*i+2];
- mask = 0x7FFFFFFF >> (31 - bits);
- OP[i] = (ins >> shift) & mask;
- }
-}
-
-bfd_vma
-decode_pc ()
-{
- asection *s;
- if (!init_text_p && prog_bfd != NULL)
- {
- 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;
-{
- struct hash_entry *h;
-#ifdef DEBUG
- if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
- (*d10v_callback->printf_filtered) (d10v_callback, "do_long 0x%x\n", ins);
-#endif
- h = lookup_hash (ins, 1);
- get_operands (h->ops, ins);
- State.ins_type = INS_LONG;
- 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
-
- 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 = 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;
-{
- struct hash_entry *h1, *h2;
-#ifdef DEBUG
- 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_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_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_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_COND_EXE;
- ins_type_counters[ (int)State.ins_type ]++;
- (h1->ops->func)();
- }
- else
- ins_type_counters[ (int)INS_COND_FALSE ]++;
- }
- else
- {
- get_operands (h1->ops, ins1);
- State.ins_type = INS_LEFT_PARALLEL;
- ins_type_counters[ (int)State.ins_type ]++;
- (h1->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<UMEM_SEGMENTS;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);
- for (i=1;i<(UMEM_SEGMENTS-1);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[UMEM_SEGMENTS-1] = (uint8 *)calloc(1,1<<UMEM_SIZE);
- if (!State.imem || !State.dmem || !State.umem[0] || !State.umem[1] || !State.umem[2] || !State.umem[UMEM_SEGMENTS-1] )
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "Memory allocation failed.\n");
- exit(1);
- }
-
-#ifdef DEBUG
- if ((d10v_debug & DEBUG_MEMSIZE) != 0)
- {
- 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
-}
-
-/* Transfer data to/from simulated memory. Since a bug in either the
- simulated program or in gdb or the simulator itself may cause a
- bogus address to be passed in, we need to do some sanity checking
- on addresses to make sure they are within bounds. When an address
- fails the bounds check, treat it as a zero length read/write rather
- than aborting the entire run. */
-
-static int
-xfer_mem (SIM_ADDR addr,
- unsigned char *buffer,
- int size,
- int write_p)
-{
- unsigned char *memory;
- int segment = ((addr >> 24) & 0xff);
- addr = (addr & 0x00ffffff);
-
-#ifdef DEBUG
- if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
- {
- if (write_p)
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_write %d bytes to 0x%02x:%06x\n", size, segment, addr);
- }
- else
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_read %d bytes from 0x%2x:%6x\n", size, segment, addr);
- }
- }
-#endif
-
- /* to access data, we use the following mapping
- 0x00xxxxxx: Logical data address segment (DMAP translated memory)
- 0x01xxxxxx: Logical instruction address segment (IMAP translated memory)
- 0x10xxxxxx: Physical data memory segment (On-chip data memory)
- 0x11xxxxxx: Physical instruction memory segment (On-chip insn memory)
- 0x12xxxxxx: Phisical unified memory segment (Unified memory)
- */
-
- switch (segment)
- {
- case 0x00: /* DMAP translated memory */
- {
- int byte;
- for (byte = 0; byte < size; byte++)
- {
- uint8 *mem = dmem_addr (addr + byte);
- if (mem == NULL)
- return byte;
- else if (write_p)
- *mem = buffer[byte];
- else
- buffer[byte] = *mem;
- }
- return byte;
- }
-
- case 0x01: /* IMAP translated memory */
- {
- int byte;
- for (byte = 0; byte < size; byte++)
- {
- uint8 *mem = imem_addr (addr + byte);
- if (mem == NULL)
- return byte;
- else if (write_p)
- *mem = buffer[byte];
- else
- buffer[byte] = *mem;
- }
- return byte;
- }
-
- case 0x10: /* On-chip data memory */
- {
- addr &= ((1 << DMEM_SIZE) - 1);
- if ((addr + size) > (1 << DMEM_SIZE))
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: data address 0x%x is outside range 0-0x%x.\n",
- addr + size - 1, (1 << DMEM_SIZE) - 1);
- return (0);
- }
- memory = State.dmem + addr;
- break;
- }
-
- case 0x11: /* On-chip insn memory */
- {
- addr &= ((1 << IMEM_SIZE) - 1);
- if ((addr + size) > (1 << IMEM_SIZE))
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: instruction address 0x%x is outside range 0-0x%x.\n",
- addr + size - 1, (1 << IMEM_SIZE) - 1);
- return (0);
- }
- memory = State.imem + addr;
- }
-
- case 0x12: /* Unified memory */
- {
- int startsegment, startoffset; /* Segment and offset within segment where xfer starts */
- int endsegment, endoffset; /* Segment and offset within segment where xfer ends */
-
- startsegment = addr >> UMEM_SIZE;
- startoffset = addr & ((1 << UMEM_SIZE) - 1);
- endsegment = (addr + size) >> UMEM_SIZE;
- endoffset = (addr + size) & ((1 << UMEM_SIZE) - 1);
-
- /* FIXME: We do not currently implement xfers across segments,
- so detect this case and fail gracefully. */
-
- if ((startsegment != endsegment) && !((endsegment == (startsegment + 1)) && endoffset == 0))
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: Unimplemented support for transfers across unified memory segment boundaries\n");
- return (0);
- }
- if (!State.umem[startsegment])
- {
-#ifdef DEBUG
- if ((d10v_debug & DEBUG_MEMSIZE) != 0)
- {
- (*d10v_callback->printf_filtered) (d10v_callback,"Allocating %s bytes unified memory to region %d\n",
- add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)), startsegment);
- }
-#endif
- State.umem[startsegment] = (uint8 *)calloc(1,1<<UMEM_SIZE);
- }
- if (!State.umem[startsegment])
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: Memory allocation of 0x%x bytes failed.\n", 1<<UMEM_SIZE);
- return (0);
- }
- memory = State.umem[startsegment] + startoffset;
- break;
- }
-
- default:
- {
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: address 0x%lx is not in valid range\n", (long) addr);
- (*d10v_callback->printf_filtered) (d10v_callback, "0x00xxxxxx: Logical data address segment (DMAP translated memory)\n");
- (*d10v_callback->printf_filtered) (d10v_callback, "0x01xxxxxx: Logical instruction address segment (IMAP translated memory)\n");
- (*d10v_callback->printf_filtered) (d10v_callback, "0x10xxxxxx: Physical data memory segment (On-chip data memory)\n");
- (*d10v_callback->printf_filtered) (d10v_callback, "0x11xxxxxx: Physical instruction memory segment (On-chip insn memory)\n");
- (*d10v_callback->printf_filtered) (d10v_callback, "0x12xxxxxx: Phisical unified memory segment (Unified memory)\n");
- return (0);
- }
- }
-
- if (write_p)
- {
- memcpy (memory, buffer, size);
- }
- else
- {
- memcpy (buffer, memory, size);
- }
-
- return size;
-}
-
-
-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;
- 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 */
- if (!init_p++)
- {
- for (s = Simops; s->func; s++)
- {
- 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;
- }
- }
-
- /* reset the processor state */
- if (!State.imem)
- sim_size(1);
- sim_create_inferior ((SIM_DESC) 1, NULL, NULL, NULL);
-
- /* Fudge our descriptor. */
- return (SIM_DESC) 1;
-}
-
-
-void
-sim_close (sd, quitting)
- SIM_DESC sd;
- int quitting;
-{
- if (prog_bfd != NULL && prog_bfd_was_opened_p)
- {
- bfd_close (prog_bfd);
- prog_bfd = NULL;
- prog_bfd_was_opened_p = 0;
- }
-}
-
-void
-sim_set_profile (n)
- int n;
-{
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile %d\n",n);
-}
-
-void
-sim_set_profile_size (n)
- int n;
-{
- (*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 + (addr - 0x8000);
- }
- else
- {
- /* 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)
- {
-#ifdef DEBUG
- (*d10v_callback->printf_filtered) (d10v_callback,"Allocating %d bytes unified memory to region %d\n", 1<<UMEM_SIZE, seg);
-#endif
- State.umem[seg] = (uint8 *)calloc(1,1<<UMEM_SIZE);
- if (!State.umem[seg])
- {
- (*d10v_callback->printf_filtered) (d10v_callback,
- "ERROR: alloc failed. unified memory region %d unmapped, pc = 0x%lx\n",
- seg, (long)decode_pc ());
- State.exception = SIGBUS;
- }
- }
- return State.umem[seg] + (DMAP & 7) * 0x4000 + (addr - 0x8000);
- }
- }
- return State.dmem + addr;
-}
-
-
-uint8 *
-imem_addr (uint32 pc)
-{
- uint16 imap;
-
- if (pc & 0x20000)
- imap = IMAP1;
- else
- imap = IMAP0;
-
- if (imap & 0x1000)
- return State.imem + pc;
-
- if (State.umem[imap & 0xff] == NULL)
- 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 = 0;
-
-int
-sim_stop (sd)
- SIM_DESC sd;
-{
- stop_simulator = 1;
- return 1;
-}
-
-
-/* Run (or resume) the program. */
-void
-sim_resume (sd, step, siggnal)
- SIM_DESC sd;
- int step, siggnal;
-{
- uint32 inst;
- int do_iba;
- uint8 *iaddr;
-
-/* (*d10v_callback->printf_filtered) (d10v_callback, "sim_resume (%d,%d) PC=0x%x\n",step,siggnal,PC); */
- State.exception = 0;
- if (step)
- sim_stop (sd);
-
- do
- {
- iaddr = imem_addr ((uint32)PC << 2);
- if (iaddr == NULL)
- {
- State.exception = SIGBUS;
- break;
- }
-
- inst = get_longword( iaddr );
-
- State.pc_changed = 0;
- ins_type_counters[ (int)INS_CYCLES ]++;
-
- /* check to see if IBA should be triggered after
- this instruction */
- if (State.DB && (PC == IBA))
- do_iba = 1;
- else
- do_iba = 0;
-
- switch (inst & 0xC0000000)
- {
- case 0xC0000000:
- /* long instruction */
- do_long (inst & 0x3FFFFFFF);
- break;
- case 0x80000000:
- /* R -> L */
- do_2_short ( inst & 0x7FFF, (inst & 0x3FFF8000) >> 15, RIGHT_FIRST);
- break;
- case 0x40000000:
- /* L -> R */
- do_2_short ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF, LEFT_FIRST);
- break;
- case 0:
- do_parallel ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF);
- break;
- }
-
- /* calculate the next PC */
- if (!State.pc_changed)
- {
- if (State.RP && PC == RPT_E)
- {
- /* Note: The behavour of a branch instruction at RPT_E
- is implementation dependant, this simulator takes the
- branch. Branching to RPT_E is valid, the instruction
- must be executed before the loop is taken. */
- RPT_C -= 1;
- if (RPT_C == 0)
- {
- State.RP = 0;
- PC++;
- }
- else
- PC = RPT_S;
- }
- else
- PC++;
- }
-
- if (do_iba)
- {
- BPC = PC;
- move_to_cr (BPSW_CR, PSW);
- move_to_cr (PSW_CR, PSW & PSW_SM_BIT);
- PC = SDBT_VECTOR_START;
- }
- }
- while ( !State.exception && !stop_simulator);
-
- if (step && !State.exception)
- State.exception = SIGTRAP;
-}
-
-int
-sim_trace (sd)
- SIM_DESC sd;
-{
-#ifdef DEBUG
- d10v_debug = DEBUG;
-#endif
- sim_resume (sd, 0, 0);
- return 1;
-}
-
-void
-sim_info (sd, verbose)
- SIM_DESC sd;
- int verbose;
-{
- 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 %*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 %*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 %*s cycle(s)\n",
- size, add_commas (buf1, sizeof (buf1), cycles));
-
- (*d10v_callback->printf_filtered) (d10v_callback,
- "executed %*s total instructions\n",
- size, add_commas (buf1, sizeof (buf1), total));
-}
-
-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]);
-
- if (argv)
- {
- /* a hack to set r0/r1 with argc/argv */
- /* some high memory that won't be overwritten by the stack soon */
- bfd_vma addr = State.regs[0] = 0x7C00;
- int p = 20;
- int i = 0;
- while (argv[i])
- {
- int size = strlen (argv[i]) + 1;
- SW (addr + 2*i, addr + p);
- sim_write (sd, addr + 0, argv[i], size);
- p += size;
- i++;
- }
- State.regs[1] = i;
- }
-
- /* set PC */
- if (abfd != NULL)
- start_address = bfd_get_start_address (abfd);
- else
- start_address = 0xffc0 << 2;
-#ifdef DEBUG
- if (d10v_debug)
- (*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. */
- if (1)
- {
- SET_IMAP0 (0x0000);
- SET_IMAP1 (0x007f);
- SET_DMAP (0x0000);
- }
- else
- {
- SET_IMAP0(0x1000);
- SET_IMAP1(0x1000);
- SET_DMAP(0);
- }
-
- return SIM_RC_OK;
-}
-
-
-void
-sim_set_callbacks (p)
- host_callback *p;
-{
- d10v_callback = p;
-}
-
-void
-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); */
-
- switch (State.exception)
- {
- case SIG_D10V_STOP: /* stop instruction */
- *reason = sim_exited;
- *sigrc = 0;
- break;
-
- case SIG_D10V_EXIT: /* exit trap */
- *reason = sim_exited;
- *sigrc = State.regs[0];
- break;
-
- default: /* some signal */
- *reason = sim_stopped;
- if (stop_simulator && !State.exception)
- *sigrc = SIGINT;
- else
- *sigrc = State.exception;
- break;
- }
-
- stop_simulator = 0;
-}
-
-void
-sim_fetch_register (sd, rn, memory)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
-{
- 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 if (rn >= 16)
- WRITE_16 (memory, move_from_cr (rn - 16));
- else
- WRITE_16 (memory, State.regs[rn]);
-}
-
-void
-sim_store_register (sd, rn, memory)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
-{
- 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 if (rn >= 16)
- move_to_cr (rn - 16, READ_16 (memory));
- else
- State.regs[rn]= READ_16 (memory);
-}
-
-
-void
-sim_do_command (sd, cmd)
- SIM_DESC sd;
- char *cmd;
-{
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_do_command: %s\n",cmd);
-}
-
-SIM_RC
-sim_load (sd, prog, abfd, from_tty)
- SIM_DESC sd;
- char *prog;
- bfd *abfd;
- int from_tty;
-{
- 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_was_opened_p = 0;
- }
- prog_bfd = sim_load_file (sd, myname, d10v_callback, prog, abfd,
- sim_kind == SIM_OPEN_DEBUG,
- 1/*LMA*/, sim_write);
- if (prog_bfd == NULL)
- return SIM_RC_FAIL;
- prog_bfd_was_opened_p = abfd == NULL;
- return SIM_RC_OK;
-}
generated by cgit v1.1 at 2025-01-25 00:46:55 +0000