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authorBastian Koppelmann2019-06-17 16:05:10 +0200
committerBastian Koppelmann2019-08-22 12:10:47 +0200
commit1fae1851e5b35437ac22b46b6786b084fffb8cf2 (patch)
treebd9f2b3bb7c87d9ead56e4fe51b18475bc93a7fc /target
parenttarget-tricore: Make env a member of DisasContext (diff)
downloadqemu-1fae1851e5b35437ac22b46b6786b084fffb8cf2.tar.gz
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target/tricore: Use translate_loop
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Diffstat (limited to 'target')
-rw-r--r--target/tricore/translate.c118
1 files changed, 74 insertions, 44 deletions
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 6b10ae5c47..5fb42abe35 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -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)
}
}
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
+static void tricore_tr_init_disas_context(DisasContextBase *dcbase,
+ CPUState *cs)
{
+ DisasContext *ctx = container_of(dcbase, DisasContext, base);
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->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;
}
- 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;
+static void tricore_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
+{
+ DisasContext *ctx = container_of(dcbase, DisasContext, base);
- if (tcg_check_temp_count()) {
- printf("LEAK at %08x\n", env->PC);
+ 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();
}
+}
-#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
+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)
+{
+ DisasContext ctx;
+ translator_loop(&tricore_tr_ops, &ctx.base, cs, tb, max_insns);
}
void