/*
* Host code generation
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
+#include "tcg.h"
-enum {
-#define DEF(s, n, copy_size) INDEX_op_ ## s,
-#include "opc.h"
-#undef DEF
- NB_OPS,
-};
-
-#include "dyngen.h"
-#include "op.h"
+/* code generation context */
+TCGContext tcg_ctx;
uint16_t gen_opc_buf[OPC_BUF_SIZE];
-uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
-uint32_t gen_opc_pc[OPC_BUF_SIZE];
+TCGArg gen_opparam_buf[OPPARAM_BUF_SIZE];
+
+target_ulong gen_opc_pc[OPC_BUF_SIZE];
uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
#if defined(TARGET_I386)
uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
+#elif defined(TARGET_SPARC)
+target_ulong gen_opc_npc[OPC_BUF_SIZE];
+target_ulong gen_opc_jump_pc[2];
+#elif defined(TARGET_MIPS) || defined(TARGET_SH4)
+uint32_t gen_opc_hflags[OPC_BUF_SIZE];
#endif
int code_copy_enabled = 1;
-#ifdef DEBUG_DISAS
-static const char *op_str[] = {
-#define DEF(s, n, copy_size) #s,
-#include "opc.h"
-#undef DEF
-};
-
-static uint8_t op_nb_args[] = {
-#define DEF(s, n, copy_size) n,
-#include "opc.h"
-#undef DEF
-};
+#ifdef CONFIG_PROFILER
+int64_t dyngen_tb_count1;
+int64_t dyngen_tb_count;
+int64_t dyngen_op_count;
+int64_t dyngen_old_op_count;
+int64_t dyngen_tcg_del_op_count;
+int dyngen_op_count_max;
+int64_t dyngen_code_in_len;
+int64_t dyngen_code_out_len;
+int64_t dyngen_interm_time;
+int64_t dyngen_code_time;
+int64_t dyngen_restore_count;
+int64_t dyngen_restore_time;
+#endif
-void dump_ops(const uint16_t *opc_buf, const uint32_t *opparam_buf)
+/* XXX: suppress that */
+unsigned long code_gen_max_block_size(void)
{
- const uint16_t *opc_ptr;
- const uint32_t *opparam_ptr;
- int c, n, i;
-
- opc_ptr = opc_buf;
- opparam_ptr = opparam_buf;
- for(;;) {
- c = *opc_ptr++;
- n = op_nb_args[c];
- fprintf(logfile, "0x%04x: %s",
- (int)(opc_ptr - opc_buf - 1), op_str[c]);
- for(i = 0; i < n; i++) {
- fprintf(logfile, " 0x%x", opparam_ptr[i]);
- }
- fprintf(logfile, "\n");
- if (c == INDEX_op_end)
- break;
- opparam_ptr += n;
+ static unsigned long max;
+
+ if (max == 0) {
+#define DEF(s, n, copy_size) max = copy_size > max? copy_size : max;
+#include "tcg-opc.h"
+#undef DEF
+ max *= OPC_MAX_SIZE;
}
+
+ return max;
}
-#endif
+void cpu_gen_init(void)
+{
+ tcg_context_init(&tcg_ctx);
+ tcg_set_frame(&tcg_ctx, TCG_AREG0, offsetof(CPUState, temp_buf),
+ 128 * sizeof(long));
+}
/* return non zero if the very first instruction is invalid so that
- the virtual CPU can trigger an exception.
+ the virtual CPU can trigger an exception.
'*gen_code_size_ptr' contains the size of the generated code (host
code).
*/
-int cpu_gen_code(CPUState *env, TranslationBlock *tb,
- int max_code_size, int *gen_code_size_ptr)
+int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr)
{
+ TCGContext *s = &tcg_ctx;
uint8_t *gen_code_buf;
int gen_code_size;
-
-#ifdef USE_CODE_COPY
- if (code_copy_enabled &&
- cpu_gen_code_copy(env, tb, max_code_size, &gen_code_size) == 0) {
- /* nothing more to do */
- } else
+#ifdef CONFIG_PROFILER
+ int64_t ti;
#endif
- {
- if (gen_intermediate_code(env, tb) < 0)
- return -1;
- /* generate machine code */
- tb->tb_next_offset[0] = 0xffff;
- tb->tb_next_offset[1] = 0xffff;
- gen_code_buf = tb->tc_ptr;
-#ifdef USE_DIRECT_JUMP
- /* the following two entries are optional (only used for string ops) */
- tb->tb_jmp_offset[2] = 0xffff;
- tb->tb_jmp_offset[3] = 0xffff;
+#ifdef CONFIG_PROFILER
+ dyngen_tb_count1++; /* includes aborted translations because of
+ exceptions */
+ ti = profile_getclock();
#endif
- gen_code_size = dyngen_code(gen_code_buf, tb->tb_next_offset,
+ tcg_func_start(s);
+
+ if (gen_intermediate_code(env, tb) < 0)
+ return -1;
+
+ /* generate machine code */
+ gen_code_buf = tb->tc_ptr;
+ tb->tb_next_offset[0] = 0xffff;
+ tb->tb_next_offset[1] = 0xffff;
+ s->tb_next_offset = tb->tb_next_offset;
#ifdef USE_DIRECT_JUMP
- tb->tb_jmp_offset,
+ s->tb_jmp_offset = tb->tb_jmp_offset;
+ s->tb_next = NULL;
+ /* the following two entries are optional (only used for string ops) */
+ /* XXX: not used ? */
+ tb->tb_jmp_offset[2] = 0xffff;
+ tb->tb_jmp_offset[3] = 0xffff;
#else
- NULL,
+ s->tb_jmp_offset = NULL;
+ s->tb_next = tb->tb_next;
#endif
- gen_opc_buf, gen_opparam_buf);
- }
+
+#ifdef CONFIG_PROFILER
+ dyngen_tb_count++;
+ dyngen_interm_time += profile_getclock() - ti;
+ dyngen_code_time -= profile_getclock();
+#endif
+ gen_code_size = dyngen_code(s, gen_code_buf);
*gen_code_size_ptr = gen_code_size;
+#ifdef CONFIG_PROFILER
+ dyngen_code_time += profile_getclock();
+ dyngen_code_in_len += tb->size;
+ dyngen_code_out_len += gen_code_size;
+#endif
+
#ifdef DEBUG_DISAS
- if (loglevel) {
+ if (loglevel & CPU_LOG_TB_OUT_ASM) {
fprintf(logfile, "OUT: [size=%d]\n", *gen_code_size_ptr);
- disas(logfile, tb->tc_ptr, *gen_code_size_ptr, 1, 0);
+ disas(logfile, tb->tc_ptr, *gen_code_size_ptr);
fprintf(logfile, "\n");
fflush(logfile);
}
return 0;
}
-static const unsigned short opc_copy_size[] = {
-#define DEF(s, n, copy_size) copy_size,
-#include "opc.h"
-#undef DEF
-};
-
-/* The cpu state corresponding to 'searched_pc' is restored.
+/* The cpu state corresponding to 'searched_pc' is restored.
*/
-int cpu_restore_state(TranslationBlock *tb,
+int cpu_restore_state(TranslationBlock *tb,
CPUState *env, unsigned long searched_pc,
void *puc)
{
- int j, c;
+ TCGContext *s = &tcg_ctx;
+ int j;
unsigned long tc_ptr;
- uint16_t *opc_ptr;
+#ifdef CONFIG_PROFILER
+ int64_t ti;
+#endif
-#ifdef USE_CODE_COPY
- if (tb->cflags & CF_CODE_COPY) {
- return cpu_restore_state_copy(tb, env, searched_pc, puc);
- }
+#ifdef CONFIG_PROFILER
+ ti = profile_getclock();
#endif
+ tcg_func_start(s);
+
if (gen_intermediate_code_pc(env, tb) < 0)
return -1;
-
+
/* find opc index corresponding to search_pc */
tc_ptr = (unsigned long)tb->tc_ptr;
if (searched_pc < tc_ptr)
return -1;
- j = 0;
- opc_ptr = gen_opc_buf;
- for(;;) {
- c = *opc_ptr;
- if (c == INDEX_op_end)
- return -1;
- tc_ptr += opc_copy_size[c];
- if (searched_pc < tc_ptr)
- break;
- opc_ptr++;
- }
- j = opc_ptr - gen_opc_buf;
+
+ s->tb_next_offset = tb->tb_next_offset;
+#ifdef USE_DIRECT_JUMP
+ s->tb_jmp_offset = tb->tb_jmp_offset;
+ s->tb_next = NULL;
+#else
+ s->tb_jmp_offset = NULL;
+ s->tb_next = tb->tb_next;
+#endif
+ j = dyngen_code_search_pc(s, (uint8_t *)tc_ptr,
+ (void *)searched_pc);
+ if (j < 0)
+ return -1;
/* now find start of instruction before */
while (gen_opc_instr_start[j] == 0)
j--;
{
int cc_op;
#ifdef DEBUG_DISAS
- if (loglevel) {
+ if (loglevel & CPU_LOG_TB_OP) {
int i;
fprintf(logfile, "RESTORE:\n");
for(i=0;i<=j; i++) {
if (gen_opc_instr_start[i]) {
- fprintf(logfile, "0x%04x: 0x%08x\n", i, gen_opc_pc[i]);
+ fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
}
}
- fprintf(logfile, "spc=0x%08lx j=0x%x eip=0x%lx cs_base=%lx\n",
- searched_pc, j, gen_opc_pc[j] - tb->cs_base, tb->cs_base);
+ fprintf(logfile, "spc=0x%08lx j=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
+ searched_pc, j, gen_opc_pc[j] - tb->cs_base,
+ (uint32_t)tb->cs_base);
}
#endif
env->eip = gen_opc_pc[j] - tb->cs_base;
#elif defined(TARGET_ARM)
env->regs[15] = gen_opc_pc[j];
#elif defined(TARGET_SPARC)
- /* XXX: restore npc too */
- env->pc = gen_opc_pc[j];
+ {
+ target_ulong npc;
+ env->pc = gen_opc_pc[j];
+ npc = gen_opc_npc[j];
+ if (npc == 1) {
+ /* dynamic NPC: already stored */
+ } else if (npc == 2) {
+ target_ulong t2 = (target_ulong)(unsigned long)puc;
+ /* jump PC: use T2 and the jump targets of the translation */
+ if (t2)
+ env->npc = gen_opc_jump_pc[0];
+ else
+ env->npc = gen_opc_jump_pc[1];
+ } else {
+ env->npc = npc;
+ }
+ }
#elif defined(TARGET_PPC)
{
- int type;
+ int type, c;
/* for PPC, we need to look at the micro operation to get the
access type */
env->nip = gen_opc_pc[j];
+ c = gen_opc_buf[j];
switch(c) {
#if defined(CONFIG_USER_ONLY)
#define CASE3(op)\
#else
#define CASE3(op)\
case INDEX_op_ ## op ## _user:\
- case INDEX_op_ ## op ## _kernel
+ case INDEX_op_ ## op ## _kernel:\
+ case INDEX_op_ ## op ## _hypv
#endif
-
+
CASE3(stfd):
CASE3(stfs):
CASE3(lfd):
CASE3(lfs):
type = ACCESS_FLOAT;
break;
+ CASE3(lwarx):
+ type = ACCESS_RES;
+ break;
CASE3(stwcx):
type = ACCESS_RES;
break;
}
env->access_type = type;
}
+#elif defined(TARGET_M68K)
+ env->pc = gen_opc_pc[j];
+#elif defined(TARGET_MIPS)
+ env->PC[env->current_tc] = gen_opc_pc[j];
+ env->hflags &= ~MIPS_HFLAG_BMASK;
+ env->hflags |= gen_opc_hflags[j];
+#elif defined(TARGET_ALPHA)
+ env->pc = gen_opc_pc[j];
+#elif defined(TARGET_SH4)
+ env->pc = gen_opc_pc[j];
+ env->flags = gen_opc_hflags[j];
+#endif
+
+#ifdef CONFIG_PROFILER
+ dyngen_restore_time += profile_getclock() - ti;
+ dyngen_restore_count++;
#endif
return 0;
}
projects / qemu.git / blobdiff