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authorRichard Henderson <richard.henderson@linaro.org>2019-08-26 08:15:36 -0700
committerPeter Maydell <peter.maydell@linaro.org>2019-09-03 16:20:34 +0100
commit1ce21ba1eaf08b22da5925f3e37fc0b4322da858 (patch)
treef236fffdcd37bf1be77e2bd4f62c4e80a3692f74 /target/arm
parent429a71d67ec04177df614be909e9300a6bbd6830 (diff)
target/arm: Factor out unallocated_encoding for aarch32
Make this a static function private to translate.c. Thus we can use the same idiom between aarch64 and aarch32 without actually sharing function implementations. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190826151536.6771-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/translate-vfp.inc.c3
-rw-r--r--target/arm/translate.c22
2 files changed, 13 insertions, 12 deletions
diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
index 5065d4524c..3e8ea80493 100644
--- a/target/arm/translate-vfp.inc.c
+++ b/target/arm/translate-vfp.inc.c
@@ -108,8 +108,7 @@ static bool full_vfp_access_check(DisasContext *s, bool ignore_vfp_enabled)
if (!s->vfp_enabled && !ignore_vfp_enabled) {
assert(!arm_dc_feature(s, ARM_FEATURE_M));
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
return false;
}
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 2aac9aae68..66311580c0 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -1231,6 +1231,13 @@ static void gen_exception_bkpt_insn(DisasContext *s, uint32_t syn)
s->base.is_jmp = DISAS_NORETURN;
}
+static void unallocated_encoding(DisasContext *s)
+{
+ /* Unallocated and reserved encodings are uncategorized */
+ gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
+ default_exception_el(s));
+}
+
/* Force a TB lookup after an instruction that changes the CPU state. */
static inline void gen_lookup_tb(DisasContext *s)
{
@@ -1261,8 +1268,7 @@ static inline void gen_hlt(DisasContext *s, int imm)
return;
}
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
}
static inline void gen_add_data_offset(DisasContext *s, unsigned int insn,
@@ -7574,8 +7580,7 @@ static void gen_srs(DisasContext *s,
}
if (undef) {
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
return;
}
@@ -9196,8 +9201,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
break;
default:
illegal_op:
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
break;
}
}
@@ -10882,8 +10886,7 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
}
return;
illegal_op:
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
}
static void disas_thumb_insn(DisasContext *s, uint32_t insn)
@@ -11706,8 +11709,7 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn)
return;
illegal_op:
undef:
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized(),
- default_exception_el(s));
+ unallocated_encoding(s);
}
static bool insn_crosses_page(CPUARMState *env, DisasContext *s)