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[RFC v8 17/44] target/arm: move arm_mmu_idx* to cpu-mmu
From: |
Claudio Fontana |
Subject: |
[RFC v8 17/44] target/arm: move arm_mmu_idx* to cpu-mmu |
Date: |
Tue, 16 Mar 2021 19:36:35 +0100 |
Signed-off-by: Claudio Fontana <cfontana@suse.de>
---
target/arm/cpu-mmu.c | 95 +++++++++++++++++++++++++++++++++++++++++
target/arm/tcg/helper.c | 95 -----------------------------------------
2 files changed, 95 insertions(+), 95 deletions(-)
diff --git a/target/arm/cpu-mmu.c b/target/arm/cpu-mmu.c
index f463f8458e..c6ac90a61e 100644
--- a/target/arm/cpu-mmu.c
+++ b/target/arm/cpu-mmu.c
@@ -122,3 +122,98 @@ ARMVAParameters aa64_va_parameters(CPUARMState *env,
uint64_t va,
.using64k = using64k,
};
}
+
+/* Return the exception level we're running at if this is our mmu_idx */
+int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx)
+{
+ if (mmu_idx & ARM_MMU_IDX_M) {
+ return mmu_idx & ARM_MMU_IDX_M_PRIV;
+ }
+
+ switch (mmu_idx) {
+ case ARMMMUIdx_E10_0:
+ case ARMMMUIdx_E20_0:
+ case ARMMMUIdx_SE10_0:
+ case ARMMMUIdx_SE20_0:
+ return 0;
+ case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
+ case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
+ return 1;
+ case ARMMMUIdx_E2:
+ case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
+ case ARMMMUIdx_SE2:
+ case ARMMMUIdx_SE20_2:
+ case ARMMMUIdx_SE20_2_PAN:
+ return 2;
+ case ARMMMUIdx_SE3:
+ return 3;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+#ifndef CONFIG_TCG
+ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env, bool secstate)
+{
+ g_assert_not_reached();
+}
+#endif
+
+ARMMMUIdx arm_mmu_idx_el(CPUARMState *env, int el)
+{
+ ARMMMUIdx idx;
+ uint64_t hcr;
+
+ if (arm_feature(env, ARM_FEATURE_M)) {
+ return arm_v7m_mmu_idx_for_secstate(env, env->v7m.secure);
+ }
+
+ /* See ARM pseudo-function ELIsInHost. */
+ switch (el) {
+ case 0:
+ hcr = arm_hcr_el2_eff(env);
+ if ((hcr & (HCR_E2H | HCR_TGE)) == (HCR_E2H | HCR_TGE)) {
+ idx = ARMMMUIdx_E20_0;
+ } else {
+ idx = ARMMMUIdx_E10_0;
+ }
+ break;
+ case 1:
+ if (env->pstate & PSTATE_PAN) {
+ idx = ARMMMUIdx_E10_1_PAN;
+ } else {
+ idx = ARMMMUIdx_E10_1;
+ }
+ break;
+ case 2:
+ /* Note that TGE does not apply at EL2. */
+ if (arm_hcr_el2_eff(env) & HCR_E2H) {
+ if (env->pstate & PSTATE_PAN) {
+ idx = ARMMMUIdx_E20_2_PAN;
+ } else {
+ idx = ARMMMUIdx_E20_2;
+ }
+ } else {
+ idx = ARMMMUIdx_E2;
+ }
+ break;
+ case 3:
+ return ARMMMUIdx_SE3;
+ default:
+ g_assert_not_reached();
+ }
+
+ if (arm_is_secure_below_el3(env)) {
+ idx &= ~ARM_MMU_IDX_A_NS;
+ }
+
+ return idx;
+}
+
+ARMMMUIdx arm_mmu_idx(CPUARMState *env)
+{
+ return arm_mmu_idx_el(env, arm_current_el(env));
+}
diff --git a/target/arm/tcg/helper.c b/target/arm/tcg/helper.c
index f35d2969b0..beaf252ca5 100644
--- a/target/arm/tcg/helper.c
+++ b/target/arm/tcg/helper.c
@@ -2161,101 +2161,6 @@ int fp_exception_el(CPUARMState *env, int cur_el)
return 0;
}
-/* Return the exception level we're running at if this is our mmu_idx */
-int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx)
-{
- if (mmu_idx & ARM_MMU_IDX_M) {
- return mmu_idx & ARM_MMU_IDX_M_PRIV;
- }
-
- switch (mmu_idx) {
- case ARMMMUIdx_E10_0:
- case ARMMMUIdx_E20_0:
- case ARMMMUIdx_SE10_0:
- case ARMMMUIdx_SE20_0:
- return 0;
- case ARMMMUIdx_E10_1:
- case ARMMMUIdx_E10_1_PAN:
- case ARMMMUIdx_SE10_1:
- case ARMMMUIdx_SE10_1_PAN:
- return 1;
- case ARMMMUIdx_E2:
- case ARMMMUIdx_E20_2:
- case ARMMMUIdx_E20_2_PAN:
- case ARMMMUIdx_SE2:
- case ARMMMUIdx_SE20_2:
- case ARMMMUIdx_SE20_2_PAN:
- return 2;
- case ARMMMUIdx_SE3:
- return 3;
- default:
- g_assert_not_reached();
- }
-}
-
-#ifndef CONFIG_TCG
-ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env, bool secstate)
-{
- g_assert_not_reached();
-}
-#endif
-
-ARMMMUIdx arm_mmu_idx_el(CPUARMState *env, int el)
-{
- ARMMMUIdx idx;
- uint64_t hcr;
-
- if (arm_feature(env, ARM_FEATURE_M)) {
- return arm_v7m_mmu_idx_for_secstate(env, env->v7m.secure);
- }
-
- /* See ARM pseudo-function ELIsInHost. */
- switch (el) {
- case 0:
- hcr = arm_hcr_el2_eff(env);
- if ((hcr & (HCR_E2H | HCR_TGE)) == (HCR_E2H | HCR_TGE)) {
- idx = ARMMMUIdx_E20_0;
- } else {
- idx = ARMMMUIdx_E10_0;
- }
- break;
- case 1:
- if (env->pstate & PSTATE_PAN) {
- idx = ARMMMUIdx_E10_1_PAN;
- } else {
- idx = ARMMMUIdx_E10_1;
- }
- break;
- case 2:
- /* Note that TGE does not apply at EL2. */
- if (arm_hcr_el2_eff(env) & HCR_E2H) {
- if (env->pstate & PSTATE_PAN) {
- idx = ARMMMUIdx_E20_2_PAN;
- } else {
- idx = ARMMMUIdx_E20_2;
- }
- } else {
- idx = ARMMMUIdx_E2;
- }
- break;
- case 3:
- return ARMMMUIdx_SE3;
- default:
- g_assert_not_reached();
- }
-
- if (arm_is_secure_below_el3(env)) {
- idx &= ~ARM_MMU_IDX_A_NS;
- }
-
- return idx;
-}
-
-ARMMMUIdx arm_mmu_idx(CPUARMState *env)
-{
- return arm_mmu_idx_el(env, arm_current_el(env));
-}
-
#ifndef CONFIG_USER_ONLY
ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env)
{
--
2.26.2
- [RFC v8 03/44] arm: tcg: only build under CONFIG_TCG, (continued)
- [RFC v8 03/44] arm: tcg: only build under CONFIG_TCG, Claudio Fontana, 2021/03/16
- [RFC v8 01/44] target/arm: move translate modules to tcg/, Claudio Fontana, 2021/03/16
- [RFC v8 02/44] target/arm: move helpers to tcg/, Claudio Fontana, 2021/03/16
- [RFC v8 05/44] target/arm: only build psci for TCG, Claudio Fontana, 2021/03/16
- [RFC v8 08/44] target/arm: cpu-mmu: fix comment style, Claudio Fontana, 2021/03/16
- [RFC v8 06/44] target/arm: split off cpu-sysemu.c, Claudio Fontana, 2021/03/16
- [RFC v8 10/44] target/arm: cpregs: fix style (mostly just comments), Claudio Fontana, 2021/03/16
- [RFC v8 07/44] target/arm: move physical address translation to cpu-mmu, Claudio Fontana, 2021/03/16
- [RFC v8 12/44] target/arm: only perform TCG cpu and machine inits if TCG enabled, Claudio Fontana, 2021/03/16
- [RFC v8 11/44] target/arm: move cpu definitions to common cpu module, Claudio Fontana, 2021/03/16
- [RFC v8 17/44] target/arm: move arm_mmu_idx* to cpu-mmu,
Claudio Fontana <=
- [RFC v8 14/44] target/arm: move cpsr_read, cpsr_write to cpu_common, Claudio Fontana, 2021/03/16
- [RFC v8 13/44] target/arm: kvm: add stubs for some helpers, Claudio Fontana, 2021/03/16
- [RFC v8 15/44] target/arm: add temporary stub for arm_rebuild_hflags, Claudio Fontana, 2021/03/16
- [RFC v8 19/44] target/arm: move arm_sctlr away from tcg helpers, Claudio Fontana, 2021/03/16
- [RFC v8 16/44] target/arm: split vfp state setting from tcg helpers, Claudio Fontana, 2021/03/16
- [RFC v8 24/44] target/arm: refactor exception and cpu code, Claudio Fontana, 2021/03/16
- [RFC v8 20/44] target/arm: move arm_cpu_list to common_cpu, Claudio Fontana, 2021/03/16
- [RFC v8 25/44] target/arm: cpu: fix style, Claudio Fontana, 2021/03/16
- [RFC v8 18/44] target/arm: move sve_zcr_len_for_el to common_cpu, Claudio Fontana, 2021/03/16
- [RFC v8 09/44] target/arm: split cpregs from tcg/helper.c, Claudio Fontana, 2021/03/16