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target/ppc: Simplify gen_debug_exception 

Two of the call sites that use gen_debug_exception have already
updated NIP.  Only ppc_tr_breakpoint_check requires the update.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210512185441.3619828-7-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2021-05-12 15:54:16 -03:00 committed by David Gibson
parent 506fadcfd7
commit 2736fc6181
1 changed files with 2 additions and 13 deletions
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15
target/ppc/translate.c
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@ -329,19 +329,7 @@ static uint32_t gen_prep_dbgex(DisasContext *ctx)
static void gen_debug_exception(DisasContext *ctx)
{
TCGv_i32 t0;
/*
* These are all synchronous exceptions, we set the PC back to the
* faulting instruction
*/
if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
(ctx->exception != POWERPC_EXCP_SYNC)) {
gen_update_nip(ctx, ctx->base.pc_next);
}
t0 = tcg_const_i32(EXCP_DEBUG);
gen_helper_raise_exception(cpu_env, t0);
tcg_temp_free_i32(t0);
gen_helper_raise_exception(cpu_env, tcg_constant_i32(EXCP_DEBUG));
ctx->base.is_jmp = DISAS_NORETURN;
}
@ -9186,6 +9174,7 @@ static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
gen_update_nip(ctx, ctx->base.pc_next);
gen_debug_exception(ctx);
/*
* The address covered by the breakpoint must be included in