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target/arm: Remove default_exception_el

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This function is no longer used.  At the same time, remove
DisasContext.secure_routed_to_el3, as it in turn becomes unused.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220609202901.1177572-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-06-10 14:32:34 +01:00 committed by Peter Maydell
parent eeaf596022
commit 82303761c6
3 changed files with 0 additions and 26 deletions
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5
target/arm/translate-a64.c
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@ -14585,11 +14585,6 @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase,
dc->condjmp = 0;
dc->aarch64 = true;
/* If we are coming from secure EL0 in a system with a 32-bit EL3, then
* there is no secure EL1, so we route exceptions to EL3.
*/
dc->secure_routed_to_el3 = arm_feature(env, ARM_FEATURE_EL3) &&
!arm_el_is_aa64(env, 3);
dc->thumb = false;
dc->sctlr_b = 0;
dc->be_data = EX_TBFLAG_ANY(tb_flags, BE_DATA) ? MO_BE : MO_LE;

5
target/arm/translate.c
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@ -9319,11 +9319,6 @@ static void arm_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
dc->condjmp = 0;
dc->aarch64 = false;
/* If we are coming from secure EL0 in a system with a 32-bit EL3, then
* there is no secure EL1, so we route exceptions to EL3.
*/
dc->secure_routed_to_el3 = arm_feature(env, ARM_FEATURE_EL3) &&
!arm_el_is_aa64(env, 3);
dc->thumb = EX_TBFLAG_AM32(tb_flags, THUMB);
dc->be_data = EX_TBFLAG_ANY(tb_flags, BE_DATA) ? MO_BE : MO_LE;
condexec = EX_TBFLAG_AM32(tb_flags, CONDEXEC);

16
target/arm/translate.h
View File

@ -43,8 +43,6 @@ typedef struct DisasContext {
int fp_excp_el; /* FP exception EL or 0 if enabled */
int sve_excp_el; /* SVE exception EL or 0 if enabled */
int vl; /* current vector length in bytes */
/* Flag indicating that exceptions from secure mode are routed to EL3. */
bool secure_routed_to_el3;
bool vfp_enabled; /* FP enabled via FPSCR.EN */
int vec_len;
int vec_stride;
@ -199,20 +197,6 @@ static inline int get_mem_index(DisasContext *s)
return arm_to_core_mmu_idx(s->mmu_idx);
}
/* Function used to determine the target exception EL when otherwise not known
* or default.
*/
static inline int default_exception_el(DisasContext *s)
{
/* If we are coming from secure EL0 in a system with a 32-bit EL3, then
* there is no secure EL1, so we route exceptions to EL3. Otherwise,
* exceptions can only be routed to ELs above 1, so we target the higher of
* 1 or the current EL.
*/
return (s->mmu_idx == ARMMMUIdx_SE10_0 && s->secure_routed_to_el3)
? 3 : MAX(1, s->current_el);
}
static inline void disas_set_insn_syndrome(DisasContext *s, uint32_t syn)
{
/* We don't need to save all of the syndrome so we mask and shift