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target/tricore: Use translate_loop

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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
This commit is contained in:
Bastian Koppelmann 2019-06-17 16:05:10 +02:00
parent 2db92a0c0e
commit 1fae1851e5
1 changed files with 79 additions and 49 deletions
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128
target/tricore/translate.c
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@ -8772,7 +8772,7 @@ static void decode_32Bit_opc(DisasContext *ctx)
}
}
static void decode_opc(DisasContext *ctx, int *is_branch)
static void decode_opc(DisasContext *ctx)
{
/* 16-Bit Instruction */
if ((ctx->opcode & 0x1) == 0) {
@ -8785,57 +8785,87 @@ static void decode_opc(DisasContext *ctx, int *is_branch)
}
}
static void tricore_tr_init_disas_context(DisasContextBase *dcbase,
CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
CPUTriCoreState *env = cs->env_ptr;
ctx->mem_idx = cpu_mmu_index(env, false);
ctx->hflags = (uint32_t)ctx->base.tb->flags;
}
static void tricore_tr_tb_start(DisasContextBase *db, CPUState *cpu)
{
}
static void tricore_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
tcg_gen_insn_start(ctx->base.pc_next);
}
static bool tricore_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
const CPUBreakpoint *bp)
{
return false;
}
static void tricore_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
CPUTriCoreState *env = cpu->env_ptr;
ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next);
decode_opc(ctx);
ctx->base.pc_next = ctx->pc_succ_insn;
if (ctx->base.is_jmp == DISAS_NEXT) {
target_ulong page_start;
page_start = ctx->base.pc_first & TARGET_PAGE_MASK;
if (ctx->base.pc_next - page_start >= TARGET_PAGE_SIZE) {
ctx->base.is_jmp = DISAS_TOO_MANY;
}
}
}
static void tricore_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
switch (ctx->base.is_jmp) {
case DISAS_TOO_MANY:
gen_goto_tb(ctx, 0, ctx->base.pc_next);
break;
case DISAS_NORETURN:
break;
default:
g_assert_not_reached();
}
}
static void tricore_tr_disas_log(const DisasContextBase *dcbase, CPUState *cpu)
{
qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
log_target_disas(cpu, dcbase->pc_first, dcbase->tb->size);
}
static const TranslatorOps tricore_tr_ops = {
.init_disas_context = tricore_tr_init_disas_context,
.tb_start = tricore_tr_tb_start,
.insn_start = tricore_tr_insn_start,
.breakpoint_check = tricore_tr_breakpoint_check,
.translate_insn = tricore_tr_translate_insn,
.tb_stop = tricore_tr_tb_stop,
.disas_log = tricore_tr_disas_log,
};
void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
{
CPUTriCoreState *env = cs->env_ptr;
DisasContext ctx;
target_ulong pc_start;
int num_insns = 0;
pc_start = tb->pc;
ctx.base.pc_next = pc_start;
ctx.base.tb = tb;
ctx.base.singlestep_enabled = cs->singlestep_enabled;
ctx.base.is_jmp = DISAS_NEXT;
ctx.mem_idx = cpu_mmu_index(env, false);
ctx.hflags = (uint32_t)tb->flags;
ctx.env = env;
tcg_clear_temp_count();
gen_tb_start(tb);
while (ctx.base.is_jmp == DISAS_NEXT) {
tcg_gen_insn_start(ctx.base.pc_next);
num_insns++;
ctx.opcode = cpu_ldl_code(env, ctx.base.pc_next);
decode_opc(&ctx, 0);
if (num_insns >= max_insns || tcg_op_buf_full()) {
gen_save_pc(ctx.pc_succ_insn);
tcg_gen_exit_tb(NULL, 0);
break;
}
ctx.base.pc_next = ctx.pc_succ_insn;
}
gen_tb_end(tb, num_insns);
tb->size = ctx.base.pc_next - pc_start;
tb->icount = num_insns;
if (tcg_check_temp_count()) {
printf("LEAK at %08x\n", env->PC);
}
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
&& qemu_log_in_addr_range(pc_start)) {
qemu_log_lock();
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(cs, pc_start, ctx.base.pc_next - pc_start);
qemu_log("\n");
qemu_log_unlock();
}
#endif
translator_loop(&tricore_tr_ops, &ctx.base, cs, tb, max_insns);
}
void