/* return non zero if the very first instruction is invalid so that
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 *gen_code_size_ptr)
{
TCGContext *s = &tcg_ctx;
uint8_t *gen_code_buf;
int gen_code_size;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
#ifdef CONFIG_PROFILER
s->tb_count1++; /* includes aborted translations because of
exceptions */
ti = profile_getclock();
#endif
tcg_func_start(s);
#if 1 /* yclin */
code_marker_begin();
#endif
gen_intermediate_code(env, tb);
#if 1 /* yclin */
code_marker_end();
#endif
/* 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
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
#ifdef CONFIG_PROFILER
s->tb_count++;
s->interm_time += profile_getclock() - ti;
s->code_time -= profile_getclock();
#endif
gen_code_size = tcg_gen_code(s, gen_code_buf);
*gen_code_size_ptr = gen_code_size;
#ifdef CONFIG_PROFILER
s->code_time += profile_getclock();
s->code_in_len += tb->size;
s->code_out_len += gen_code_size;
#endif
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
qemu_log("OUT: [size=%d]\n", *gen_code_size_ptr);
log_disas(tb->tc_ptr, *gen_code_size_ptr);
qemu_log("\n");
qemu_log_flush();
}
#endif
return 0;
}
/*
* msg_level:
* 0 == errors (stderr + logfile).
* 1 == informative debug messages (logfile only).
* 2 == noisy debug messages (logfile only).
* 3 == will flood your log (logfile only).
*/
void xen_be_printf(struct XenDevice *xendev, int msg_level, const char *fmt, ...)
{
va_list args;
if (xendev) {
if (msg_level > xendev->debug) {
return;
}
qemu_log("xen be: %s: ", xendev->name);
if (msg_level == 0) {
fprintf(stderr, "xen be: %s: ", xendev->name);
}
} else {
if (msg_level > debug) {
return;
}
qemu_log("xen be core: ");
if (msg_level == 0) {
fprintf(stderr, "xen be core: ");
}
}
va_start(args, fmt);
qemu_log_vprintf(fmt, args);
va_end(args);
if (msg_level == 0) {
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
qemu_log_flush();
}
/* return non zero if the very first instruction is invalid so that
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 *gen_code_size_ptr)
{
TCGContext *s = tcg_ctx_env;
uint8_t *gen_code_buf;
int gen_code_size;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
#ifdef CONFIG_PROFILER
s->tb_count1++; /* includes aborted translations because of
exceptions */
ti = profile_getclock();
#endif
#if defined(CONFIG_HYBRID)
int64_t start_cycle = 0, end_cycle = 0;
if (llvm_profile_enabled)
start_cycle = cpu_get_real_ticks();
#endif
tcg_func_start(env, s);
gen_intermediate_code(env, tb);
/* generate machine code */
s->tb = tb;
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
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
#ifdef CONFIG_PROFILER
s->tb_count++;
s->interm_time += profile_getclock() - ti;
s->code_time -= profile_getclock();
#endif
#if defined(CONFIG_LLVM) && !defined(CONFIG_HYBRID)
gen_code_size = llvm_gen_block(env, s, tb);
#else
gen_code_size = tcg_gen_code(s, gen_code_buf);
#endif
*gen_code_size_ptr = gen_code_size;
#ifdef CONFIG_PROFILER
s->code_time += profile_getclock();
s->code_in_len += tb->size;
s->code_out_len += gen_code_size;
#endif
#if defined(CONFIG_HYBRID)
if (llvm_profile_enabled) {
end_cycle = cpu_get_real_ticks();
llvm_tb_record(tb, gen_code_size, end_cycle-start_cycle);
}
#endif
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
qemu_log("OUT: [size=%d]\n", *gen_code_size_ptr);
log_disas(tb->tc_ptr, *gen_code_size_ptr);
qemu_log("\n");
qemu_log_flush();
}
#endif
return 0;
}
