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/* |
/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: cpu.c,v 1.321 2005/10/03 01:07:40 debug Exp $ |
* $Id: cpu.c,v 1.342 2006/06/22 13:27:03 debug Exp $ |
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* |
* |
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* Common routines for CPU emulation. (Not specific to any CPU type.) |
* Common routines for CPU emulation. (Not specific to any CPU type.) |
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*/ |
*/ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/mman.h> |
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#include <string.h> |
#include <string.h> |
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#include "cpu.h" |
#include "cpu.h" |
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extern int quiet_mode; |
extern int quiet_mode; |
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extern int show_opcode_statistics; |
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static struct cpu_family *first_cpu_family = NULL; |
static struct cpu_family *first_cpu_family = NULL; |
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} |
} |
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fatal("\ncpu_new(): unknown cpu type '%s'\n", cpu_type_name); |
fatal("\ncpu_new(): unknown cpu type '%s'\n", cpu_type_name); |
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exit(1); |
return NULL; |
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} |
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/* |
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* cpu_show_full_statistics(): |
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* |
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* Show detailed statistics on opcode usage on each cpu. |
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*/ |
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void cpu_show_full_statistics(struct machine *m) |
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{ |
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if (m->cpu_family == NULL || |
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m->cpu_family->show_full_statistics == NULL) |
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fatal("cpu_show_full_statistics(): NULL\n"); |
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else |
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m->cpu_family->show_full_statistics(m); |
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} |
} |
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* tracing. |
* tracing. |
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*/ |
*/ |
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int cpu_disassemble_instr(struct machine *m, struct cpu *cpu, |
int cpu_disassemble_instr(struct machine *m, struct cpu *cpu, |
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unsigned char *instr, int running, uint64_t addr, int bintrans) |
unsigned char *instr, int running, uint64_t addr) |
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{ |
{ |
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if (m->cpu_family == NULL || m->cpu_family->disassemble_instr == NULL) { |
if (m->cpu_family == NULL || m->cpu_family->disassemble_instr == NULL) { |
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fatal("cpu_disassemble_instr(): NULL\n"); |
fatal("cpu_disassemble_instr(): NULL\n"); |
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return 0; |
return 0; |
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} else |
} else |
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return m->cpu_family->disassemble_instr(cpu, instr, |
return m->cpu_family->disassemble_instr(cpu, instr, |
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running, addr, bintrans); |
running, addr); |
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} |
} |
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* |
* |
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* Dump cpu registers in a relatively readable format. |
* Dump cpu registers in a relatively readable format. |
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* |
* |
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* gprs: set to non-zero to dump GPRs. (CPU dependant.) |
* gprs: set to non-zero to dump GPRs. (CPU dependent.) |
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* coprocs: set bit 0..x to dump registers in coproc 0..x. (CPU dependant.) |
* coprocs: set bit 0..x to dump registers in coproc 0..x. (CPU dependent.) |
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*/ |
*/ |
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void cpu_register_dump(struct machine *m, struct cpu *cpu, |
void cpu_register_dump(struct machine *m, struct cpu *cpu, |
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int gprs, int coprocs) |
int gprs, int coprocs) |
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/* |
/* |
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* cpu_gdb_stub(): |
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* |
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* Execute a "remote GDB" command. Return value is a pointer to a newly |
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* allocated response string, if the command was successfully executed. If |
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* there was an error, NULL is returned. |
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*/ |
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char *cpu_gdb_stub(struct cpu *cpu, char *cmd) |
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{ |
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if (cpu->machine->cpu_family == NULL || |
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cpu->machine->cpu_family->gdb_stub == NULL) { |
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fatal("cpu_gdb_stub(): NULL\n"); |
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return NULL; |
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} else |
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return cpu->machine->cpu_family->gdb_stub(cpu, cmd); |
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} |
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/* |
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* cpu_interrupt(): |
* cpu_interrupt(): |
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* |
* |
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* Assert an interrupt. |
* Assert an interrupt. |
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fatal("%s", symbol); |
fatal("%s", symbol); |
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else { |
else { |
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if (cpu->is_32bit) |
if (cpu->is_32bit) |
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fatal("0x%08x", (int)f); |
fatal("0x%"PRIx32, (uint32_t) f); |
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else |
else |
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fatal("0x%llx", (long long)f); |
fatal("0x%"PRIx64, (uint64_t) f); |
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} |
} |
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fatal("("); |
fatal("("); |
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cpu->machine->cpu_family->functioncall_trace(cpu, f, n_args); |
cpu->machine->cpu_family->functioncall_trace(cpu, f, n_args); |
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fatal(")>\n"); |
fatal(")>\n"); |
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#ifdef PRINT_MEMORY_CHECKSUM |
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/* Temporary hack for finding bugs: */ |
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fatal("call chksum=%016"PRIx64"\n", memory_checksum(cpu->mem)); |
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#endif |
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} |
} |
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*/ |
*/ |
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void cpu_create_or_reset_tc(struct cpu *cpu) |
void cpu_create_or_reset_tc(struct cpu *cpu) |
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{ |
{ |
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size_t s = DYNTRANS_CACHE_SIZE + DYNTRANS_CACHE_MARGIN; |
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if (cpu->translation_cache == NULL) |
if (cpu->translation_cache == NULL) |
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cpu->translation_cache = zeroed_alloc(DYNTRANS_CACHE_SIZE + |
cpu->translation_cache = zeroed_alloc(s); |
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DYNTRANS_CACHE_MARGIN); |
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/* Create an empty table at the beginning of the translation cache: */ |
/* Create an empty table at the beginning of the translation cache: */ |
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memset(cpu->translation_cache, 0, sizeof(uint32_t) |
memset(cpu->translation_cache, 0, sizeof(uint32_t) |
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* cpu_dumpinfo(): |
* cpu_dumpinfo(): |
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* |
* |
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* Dumps info about a CPU using debug(). "cpu0: CPUNAME, running" (or similar) |
* Dumps info about a CPU using debug(). "cpu0: CPUNAME, running" (or similar) |
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* is outputed, and it is up to CPU dependant code to complete the line. |
* is outputed, and it is up to CPU dependent code to complete the line. |
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*/ |
*/ |
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void cpu_dumpinfo(struct machine *m, struct cpu *cpu) |
void cpu_dumpinfo(struct machine *m, struct cpu *cpu) |
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{ |
{ |
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void cpu_list_available_types(void) |
void cpu_list_available_types(void) |
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{ |
{ |
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struct cpu_family *fp; |
struct cpu_family *fp; |
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int iadd = 4; |
int iadd = DEBUG_INDENTATION; |
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fp = first_cpu_family; |
fp = first_cpu_family; |
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if (machine->show_nr_of_instructions || !quiet_mode) |
if (machine->show_nr_of_instructions || !quiet_mode) |
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cpu_show_cycles(machine, 1); |
cpu_show_cycles(machine, 1); |
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if (show_opcode_statistics) |
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cpu_show_full_statistics(machine); |
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fflush(stdout); |
fflush(stdout); |
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} |
} |
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char *symbol; |
char *symbol; |
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int64_t mseconds, ninstrs, is, avg; |
int64_t mseconds, ninstrs, is, avg; |
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struct timeval tv; |
struct timeval tv; |
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int h, m, s, ms, d, instrs_per_cycle = 1; |
int h, m, s, ms, d; |
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static int64_t mseconds_last = 0; |
static int64_t mseconds_last = 0; |
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static int64_t ninstrs_last = -1; |
static int64_t ninstrs_last = -1; |
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switch (machine->arch) { |
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case ARCH_MIPS: |
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instrs_per_cycle = machine->cpus[machine->bootstrap_cpu]-> |
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cd.mips.cpu_type.instrs_per_cycle; |
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break; |
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} |
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pc = machine->cpus[machine->bootstrap_cpu]->pc; |
pc = machine->cpus[machine->bootstrap_cpu]->pc; |
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gettimeofday(&tv, NULL); |
gettimeofday(&tv, NULL); |
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if (mseconds - mseconds_last == 0) |
if (mseconds - mseconds_last == 0) |
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mseconds ++; |
mseconds ++; |
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ninstrs = machine->ncycles_since_gettimeofday * instrs_per_cycle; |
ninstrs = machine->ncycles_since_gettimeofday; |
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if (machine->automatic_clock_adjustment) { |
if (machine->automatic_clock_adjustment) { |
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static int first_adjustment = 1; |
static int first_adjustment = 1; |
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/* Current nr of cycles per second: */ |
/* Current nr of cycles per second: */ |
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int64_t cur_cycles_per_second = 1000 * |
int64_t cur_cycles_per_second = 1000 * |
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(ninstrs-ninstrs_last) / (mseconds-mseconds_last) |
(ninstrs-ninstrs_last) / (mseconds-mseconds_last); |
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/ instrs_per_cycle; |
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/* fatal("[ CYCLES PER SECOND = %"PRIi64" ]\n", |
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cur_cycles_per_second); */ |
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if (cur_cycles_per_second < 1000000) |
if (cur_cycles_per_second < 1000000) |
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cur_cycles_per_second = 1000000; |
cur_cycles_per_second = 1000000; |
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cur_cycles_per_second) / 16; |
cur_cycles_per_second) / 16; |
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} |
} |
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/* debug("[ updating emulated_hz to %lli Hz ]\n", |
/* fatal("[ updating emulated_hz to %"PRIi64" Hz ]\n", |
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(long long)machine->emulated_hz); */ |
machine->emulated_hz); */ |
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} |
} |
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if (!machine->show_nr_of_instructions && !forced) |
if (!machine->show_nr_of_instructions && !forced) |
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goto do_return; |
goto do_return; |
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printf("[ %lli instrs", |
printf("[ %"PRIi64" instrs", (int64_t)machine->ncycles); |
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(long long)(machine->ncycles * instrs_per_cycle)); |
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if (!machine->automatic_clock_adjustment) { |
if (!machine->automatic_clock_adjustment) { |
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d = machine->emulated_hz / 1000; |
d = machine->emulated_hz / 1000; |
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s = ms / 1000; |
s = ms / 1000; |
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ms -= 1000 * s; |
ms -= 1000 * s; |
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printf("emulated time = %02i:%02i:%02i.%03i; ", h, m, s, ms); |
printf(", emulated time = %02i:%02i:%02i.%03i; ", h, m, s, ms); |
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} |
} |
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/* Instructions per second, and average so far: */ |
/* Instructions per second, and average so far: */ |
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is = 0; |
is = 0; |
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if (avg < 0) |
if (avg < 0) |
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avg = 0; |
avg = 0; |
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printf("; i/s=%lli avg=%lli", (long long)is, (long long)avg); |
printf("; i/s=%"PRIi64" avg=%"PRIi64, is, avg); |
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symbol = get_symbol_name(&machine->symbol_context, pc, &offset); |
symbol = get_symbol_name(&machine->symbol_context, pc, &offset); |
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if (machine->ncpus == 1) { |
if (machine->ncpus == 1) { |
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if (machine->cpus[machine->bootstrap_cpu]->is_32bit) |
if (machine->cpus[machine->bootstrap_cpu]->is_32bit) |
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printf("; pc=0x%08x", (int)pc); |
printf("; pc=0x%08"PRIx32, (uint32_t) pc); |
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else |
else |
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printf("; pc=0x%016llx", (long long)pc); |
printf("; pc=0x%016"PRIx64, (uint64_t) pc); |
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} |
} |
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if (symbol != NULL) |
if (symbol != NULL) |
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if (machine->a_few_cycles < 1) |
if (machine->a_few_cycles < 1) |
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machine->a_few_cycles = 1; |
machine->a_few_cycles = 1; |
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if (ncpus > 1 && machine->max_random_cycles_per_chunk == 0) |
if (ncpus > 1) |
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machine->a_few_cycles = 1; |
machine->a_few_cycles = 1; |
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/* debug("cpu_run_init(): a_few_cycles = %i\n", |
/* debug("cpu_run_init(): a_few_cycles = %i\n", |