* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include <stdlib.h>
#define NO_CPU_IO_DEFS
#include "cpu.h"
-#include "exec-all.h"
#include "disas.h"
#include "tcg.h"
+#include "qemu-timer.h"
/* code generation context */
TCGContext tcg_ctx;
TCGArg gen_opparam_buf[OPPARAM_BUF_SIZE];
target_ulong gen_opc_pc[OPC_BUF_SIZE];
+uint16_t gen_opc_icount[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 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
-
-/* XXX: suppress that */
-unsigned long code_gen_max_block_size(void)
-{
- 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;
-}
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
#endif
#ifdef CONFIG_PROFILER
- dyngen_tb_count1++; /* includes aborted translations because of
- exceptions */
+ s->tb_count1++; /* includes aborted translations because of
+ exceptions */
ti = profile_getclock();
#endif
tcg_func_start(s);
- if (gen_intermediate_code(env, tb) < 0)
- return -1;
-
+ gen_intermediate_code(env, tb);
+
/* generate machine code */
gen_code_buf = tb->tc_ptr;
tb->tb_next_offset[0] = 0xffff;
#ifdef USE_DIRECT_JUMP
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
s->tb_jmp_offset = NULL;
s->tb_next = tb->tb_next;
#endif
#ifdef CONFIG_PROFILER
- dyngen_tb_count++;
- dyngen_interm_time += profile_getclock() - ti;
- dyngen_code_time -= profile_getclock();
+ s->tb_count++;
+ s->interm_time += profile_getclock() - ti;
+ s->code_time -= profile_getclock();
#endif
- gen_code_size = dyngen_code(s, gen_code_buf);
+ gen_code_size = tcg_gen_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;
+ s->code_time += profile_getclock();
+ s->code_in_len += tb->size;
+ s->code_out_len += gen_code_size;
#endif
#ifdef DEBUG_DISAS
- 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);
- fprintf(logfile, "\n");
- fflush(logfile);
+ 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;
/* The cpu state corresponding to 'searched_pc' is restored.
*/
int cpu_restore_state(TranslationBlock *tb,
- CPUState *env, unsigned long searched_pc,
- void *puc)
+ CPUState *env, unsigned long searched_pc)
{
TCGContext *s = &tcg_ctx;
int j;
#endif
tcg_func_start(s);
- if (gen_intermediate_code_pc(env, tb) < 0)
- return -1;
+ gen_intermediate_code_pc(env, tb);
+
+ if (use_icount) {
+ /* Reset the cycle counter to the start of the block. */
+ env->icount_decr.u16.low += tb->icount;
+ /* Clear the IO flag. */
+ env->can_do_io = 0;
+ }
/* find opc index corresponding to search_pc */
tc_ptr = (unsigned long)tb->tc_ptr;
s->tb_jmp_offset = NULL;
s->tb_next = tb->tb_next;
#endif
- j = dyngen_code_search_pc(s, (uint8_t *)tc_ptr, searched_pc - tc_ptr);
+ j = tcg_gen_code_search_pc(s, (uint8_t *)tc_ptr, searched_pc - tc_ptr);
if (j < 0)
return -1;
/* now find start of instruction before */
while (gen_opc_instr_start[j] == 0)
j--;
-#if defined(TARGET_I386)
- {
- int cc_op;
-#ifdef DEBUG_DISAS
- 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: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
- }
- }
- 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;
- cc_op = gen_opc_cc_op[j];
- if (cc_op != CC_OP_DYNAMIC)
- env->cc_op = cc_op;
- }
-#elif defined(TARGET_ARM)
- env->regs[15] = gen_opc_pc[j];
-#elif defined(TARGET_SPARC)
- {
- 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, 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)\
- case INDEX_op_ ## op ## _raw
-#else
-#define CASE3(op)\
- case INDEX_op_ ## op ## _user:\
- case INDEX_op_ ## op ## _kernel:\
- case INDEX_op_ ## op ## _hypv
-#endif
+ env->icount_decr.u16.low -= gen_opc_icount[j];
- CASE3(stfd):
- CASE3(stfs):
- CASE3(lfd):
- CASE3(lfs):
- type = ACCESS_FLOAT;
- break;
- CASE3(lwarx):
- type = ACCESS_RES;
- break;
- CASE3(stwcx):
- type = ACCESS_RES;
- break;
- CASE3(eciwx):
- CASE3(ecowx):
- type = ACCESS_EXT;
- break;
- default:
- type = ACCESS_INT;
- 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
+ restore_state_to_opc(env, tb, j);
#ifdef CONFIG_PROFILER
- dyngen_restore_time += profile_getclock() - ti;
- dyngen_restore_count++;
+ s->restore_time += profile_getclock() - ti;
+ s->restore_count++;
#endif
return 0;
}
projects / qemu.git / blobdiff