X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=translate-all.c;h=041c1089481466e579802a41a5b0fb0491e74838;hb=0caf448b8062b6e186f7bf12dbb27c3ab4ca6136;hp=cf8cc9bff08c6fa5077e63c17735c4678787ff3c;hpb=d2856f1ad4c259e5766847c49acbb4e390731bd4;p=qemu.git diff --git a/translate-all.c b/translate-all.c index cf8cc9bff..041c10894 100644 --- a/translate-all.c +++ b/translate-all.c @@ -14,8 +14,7 @@ * 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 . */ #include #include @@ -27,9 +26,9 @@ #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; @@ -38,54 +37,12 @@ uint16_t gen_opc_buf[OPC_BUF_SIZE]; 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) { - max = TCG_MAX_OP_SIZE; -#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), - CPU_TEMP_BUF_NLONGS * sizeof(long)); } /* return non zero if the very first instruction is invalid so that @@ -104,15 +61,14 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr) #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; @@ -121,34 +77,30 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr) #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; @@ -157,8 +109,7 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr) /* 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; @@ -172,8 +123,14 @@ int cpu_restore_state(TranslationBlock *tb, #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; @@ -188,18 +145,19 @@ int cpu_restore_state(TranslationBlock *tb, 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--; + env->icount_decr.u16.low -= gen_opc_icount[j]; - gen_pc_load(env, tb, searched_pc, j, puc); + 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; }