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target/arm: Rename ARMMMUIdx_S1NSE* to ARMMMUIdx_Stage1_E* 

This is part of a reorganization to the set of mmu_idx.
The EL1&0 regime is the only one that uses 2-stage translation.
Spelling out Stage avoids confusion with Secure.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200206105448.4726-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-02-07 14:04:22 +00:00 committed by Peter Maydell
parent 97fa935001
commit 2859d7b590
3 changed files with 19 additions and 18 deletions
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4
target/arm/cpu.h
View File

@ -2923,8 +2923,8 @@ typedef enum ARMMMUIdx {
/* Indexes below here don't have TLBs and are used only for AT system
* instructions or for the first stage of an S12 page table walk.
*/
ARMMMUIdx_S1NSE0 = 0 | ARM_MMU_IDX_NOTLB,
ARMMMUIdx_S1NSE1 = 1 | ARM_MMU_IDX_NOTLB,
ARMMMUIdx_Stage1_E0 = 0 | ARM_MMU_IDX_NOTLB,
ARMMMUIdx_Stage1_E1 = 1 | ARM_MMU_IDX_NOTLB,
} ARMMMUIdx;
/* Bit macros for the core-mmu-index values for each index,

27
target/arm/helper.c
View File

@ -3041,7 +3041,8 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
bool take_exc = false;
if (fi.s1ptw && current_el == 1 && !arm_is_secure(env)
&& (mmu_idx == ARMMMUIdx_S1NSE1 || mmu_idx == ARMMMUIdx_S1NSE0)) {
&& (mmu_idx == ARMMMUIdx_Stage1_E1 ||
mmu_idx == ARMMMUIdx_Stage1_E0)) {
/*
* Synchronous stage 2 fault on an access made as part of the
* translation table walk for AT S1E0* or AT S1E1* insn
@ -3189,10 +3190,10 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
mmu_idx = ARMMMUIdx_S1E3;
break;
case 2:
mmu_idx = ARMMMUIdx_S1NSE1;
mmu_idx = ARMMMUIdx_Stage1_E1;
break;
case 1:
mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_S1NSE1;
mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_Stage1_E1;
break;
default:
g_assert_not_reached();
@ -3205,10 +3206,10 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
mmu_idx = ARMMMUIdx_S1SE0;
break;
case 2:
mmu_idx = ARMMMUIdx_S1NSE0;
mmu_idx = ARMMMUIdx_Stage1_E0;
break;
case 1:
mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_S1NSE0;
mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_Stage1_E0;
break;
default:
g_assert_not_reached();
@ -3262,7 +3263,7 @@ static void ats_write64(CPUARMState *env, const ARMCPRegInfo *ri,
case 0:
switch (ri->opc1) {
case 0: /* AT S1E1R, AT S1E1W */
mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_S1NSE1;
mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_Stage1_E1;
break;
case 4: /* AT S1E2R, AT S1E2W */
mmu_idx = ARMMMUIdx_S1E2;
@ -3275,7 +3276,7 @@ static void ats_write64(CPUARMState *env, const ARMCPRegInfo *ri,
}
break;
case 2: /* AT S1E0R, AT S1E0W */
mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_S1NSE0;
mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_Stage1_E0;
break;
case 4: /* AT S12E1R, AT S12E1W */
mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_E10_1;
@ -8717,8 +8718,8 @@ static inline uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_S1SE0:
return arm_el_is_aa64(env, 3) ? 1 : 3;
case ARMMMUIdx_S1SE1:
case ARMMMUIdx_S1NSE0:
case ARMMMUIdx_S1NSE1:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
@ -8776,7 +8777,7 @@ static inline bool regime_translation_disabled(CPUARMState *env,
}
if ((env->cp15.hcr_el2 & HCR_DC) &&
(mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1)) {
(mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1)) {
/* HCR.DC means SCTLR_EL1.M behaves as 0 */
return true;
}
@ -8821,7 +8822,7 @@ static inline TCR *regime_tcr(CPUARMState *env, ARMMMUIdx mmu_idx)
static inline ARMMMUIdx stage_1_mmu_idx(ARMMMUIdx mmu_idx)
{
if (mmu_idx == ARMMMUIdx_E10_0 || mmu_idx == ARMMMUIdx_E10_1) {
mmu_idx += (ARMMMUIdx_S1NSE0 - ARMMMUIdx_E10_0);
mmu_idx += (ARMMMUIdx_Stage1_E0 - ARMMMUIdx_E10_0);
}
return mmu_idx;
}
@ -8856,7 +8857,7 @@ static inline bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx)
{
switch (mmu_idx) {
case ARMMMUIdx_S1SE0:
case ARMMMUIdx_S1NSE0:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_MUser:
case ARMMMUIdx_MSUser:
case ARMMMUIdx_MUserNegPri:
@ -9087,7 +9088,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
hwaddr addr, MemTxAttrs txattrs,
ARMMMUFaultInfo *fi)
{
if ((mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1) &&
if ((mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1) &&
!regime_translation_disabled(env, ARMMMUIdx_Stage2)) {
target_ulong s2size;
hwaddr s2pa;

6
target/arm/internals.h
View File

@ -810,8 +810,8 @@ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx)
switch (mmu_idx) {
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
case ARMMMUIdx_S1NSE0:
case ARMMMUIdx_S1NSE1:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
case ARMMMUIdx_S1E2:
case ARMMMUIdx_Stage2:
case ARMMMUIdx_MPrivNegPri:
@ -975,7 +975,7 @@ ARMMMUIdx arm_mmu_idx(CPUARMState *env);
#ifdef CONFIG_USER_ONLY
static inline ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env)
{
return ARMMMUIdx_S1NSE0;
return ARMMMUIdx_Stage1_E0;
}
#else
ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env);