aboutsummaryrefslogtreecommitdiff
path: root/target/arm/helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/arm/helper.c')
-rw-r--r--target/arm/helper.c155
1 files changed, 115 insertions, 40 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index dde64a487a..c672903f43 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -399,6 +399,21 @@ static void contextidr_write(CPUARMState *env, const ARMCPRegInfo *ri,
raw_write(env, ri, value);
}
+static int alle1_tlbmask(CPUARMState *env)
+{
+ /*
+ * Note that the 'ALL' scope must invalidate both stage 1 and
+ * stage 2 translations, whereas most other scopes only invalidate
+ * stage 1 translations.
+ */
+ return (ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
+ ARMMMUIdxBit_E10_0 |
+ ARMMMUIdxBit_Stage2 |
+ ARMMMUIdxBit_Stage2_S);
+}
+
+
/* IS variants of TLB operations must affect all cores */
static void tlbiall_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
@@ -501,10 +516,7 @@ static void tlbiall_nsnh_write(CPUARMState *env, const ARMCPRegInfo *ri,
{
CPUState *cs = env_cpu(env);
- tlb_flush_by_mmuidx(cs,
- ARMMMUIdxBit_E10_1 |
- ARMMMUIdxBit_E10_1_PAN |
- ARMMMUIdxBit_E10_0);
+ tlb_flush_by_mmuidx(cs, alle1_tlbmask(env));
}
static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
@@ -512,10 +524,7 @@ static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
{
CPUState *cs = env_cpu(env);
- tlb_flush_by_mmuidx_all_cpus_synced(cs,
- ARMMMUIdxBit_E10_1 |
- ARMMMUIdxBit_E10_1_PAN |
- ARMMMUIdxBit_E10_0);
+ tlb_flush_by_mmuidx_all_cpus_synced(cs, alle1_tlbmask(env));
}
@@ -554,6 +563,24 @@ static void tlbimva_hyp_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
ARMMMUIdxBit_E2);
}
+static void tlbiipas2_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ CPUState *cs = env_cpu(env);
+ uint64_t pageaddr = (value & MAKE_64BIT_MASK(0, 28)) << 12;
+
+ tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_Stage2);
+}
+
+static void tlbiipas2is_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ CPUState *cs = env_cpu(env);
+ uint64_t pageaddr = (value & MAKE_64BIT_MASK(0, 28)) << 12;
+
+ tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_Stage2);
+}
+
static const ARMCPRegInfo cp_reginfo[] = {
/* Define the secure and non-secure FCSE identifier CP registers
* separately because there is no secure bank in V8 (no _EL3). This allows
@@ -3786,15 +3813,12 @@ static void vttbr_write(CPUARMState *env, const ARMCPRegInfo *ri,
/*
* A change in VMID to the stage2 page table (Stage2) invalidates
- * the combined stage 1&2 tlbs (EL10_1 and EL10_0).
+ * the stage2 and combined stage 1&2 tlbs (EL10_1 and EL10_0).
*/
- if (raw_read(env, ri) != value) {
- uint16_t mask = ARMMMUIdxBit_E10_1 |
- ARMMMUIdxBit_E10_1_PAN |
- ARMMMUIdxBit_E10_0;
- tlb_flush_by_mmuidx(cs, mask);
- raw_write(env, ri, value);
+ if (extract64(raw_read(env, ri) ^ value, 48, 16) != 0) {
+ tlb_flush_by_mmuidx(cs, alle1_tlbmask(env));
}
+ raw_write(env, ri, value);
}
static const ARMCPRegInfo vmsa_pmsa_cp_reginfo[] = {
@@ -4313,18 +4337,6 @@ static void tlbi_aa64_vmalle1_write(CPUARMState *env, const ARMCPRegInfo *ri,
}
}
-static int alle1_tlbmask(CPUARMState *env)
-{
- /*
- * Note that the 'ALL' scope must invalidate both stage 1 and
- * stage 2 translations, whereas most other scopes only invalidate
- * stage 1 translations.
- */
- return (ARMMMUIdxBit_E10_1 |
- ARMMMUIdxBit_E10_1_PAN |
- ARMMMUIdxBit_E10_0);
-}
-
static int e2_tlbmask(CPUARMState *env)
{
return (ARMMMUIdxBit_E20_0 |
@@ -4467,6 +4479,43 @@ static void tlbi_aa64_vae3is_write(CPUARMState *env, const ARMCPRegInfo *ri,
ARMMMUIdxBit_E3, bits);
}
+static int ipas2e1_tlbmask(CPUARMState *env, int64_t value)
+{
+ /*
+ * The MSB of value is the NS field, which only applies if SEL2
+ * is implemented and SCR_EL3.NS is not set (i.e. in secure mode).
+ */
+ return (value >= 0
+ && cpu_isar_feature(aa64_sel2, env_archcpu(env))
+ && arm_is_secure_below_el3(env)
+ ? ARMMMUIdxBit_Stage2_S
+ : ARMMMUIdxBit_Stage2);
+}
+
+static void tlbi_aa64_ipas2e1_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ CPUState *cs = env_cpu(env);
+ int mask = ipas2e1_tlbmask(env, value);
+ uint64_t pageaddr = sextract64(value << 12, 0, 56);
+
+ if (tlb_force_broadcast(env)) {
+ tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, mask);
+ } else {
+ tlb_flush_page_by_mmuidx(cs, pageaddr, mask);
+ }
+}
+
+static void tlbi_aa64_ipas2e1is_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ CPUState *cs = env_cpu(env);
+ int mask = ipas2e1_tlbmask(env, value);
+ uint64_t pageaddr = sextract64(value << 12, 0, 56);
+
+ tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, mask);
+}
+
#ifdef TARGET_AARCH64
typedef struct {
uint64_t base;
@@ -4652,6 +4701,20 @@ static void tlbi_aa64_rvae3is_write(CPUARMState *env,
do_rvae_write(env, value, ARMMMUIdxBit_E3, true);
}
+
+static void tlbi_aa64_ripas2e1_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ do_rvae_write(env, value, ipas2e1_tlbmask(env, value),
+ tlb_force_broadcast(env));
+}
+
+static void tlbi_aa64_ripas2e1is_write(CPUARMState *env,
+ const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ do_rvae_write(env, value, ipas2e1_tlbmask(env, value), true);
+}
#endif
static CPAccessResult aa64_zva_access(CPUARMState *env, const ARMCPRegInfo *ri,
@@ -4930,10 +4993,12 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
.writefn = tlbi_aa64_vae1_write },
{ .name = "TLBI_IPAS2E1IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 1,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ipas2e1is_write },
{ .name = "TLBI_IPAS2LE1IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 5,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ipas2e1is_write },
{ .name = "TLBI_ALLE1IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 3, .opc2 = 4,
.access = PL2_W, .type = ARM_CP_NO_RAW,
@@ -4944,10 +5009,12 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
.writefn = tlbi_aa64_alle1is_write },
{ .name = "TLBI_IPAS2E1", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 1,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ipas2e1_write },
{ .name = "TLBI_IPAS2LE1", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 5,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ipas2e1_write },
{ .name = "TLBI_ALLE1", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 7, .opc2 = 4,
.access = PL2_W, .type = ARM_CP_NO_RAW,
@@ -5028,16 +5095,20 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
.writefn = tlbimva_hyp_is_write },
{ .name = "TLBIIPAS2",
.cp = 15, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 1,
- .type = ARM_CP_NOP, .access = PL2_W },
+ .type = ARM_CP_NO_RAW, .access = PL2_W,
+ .writefn = tlbiipas2_hyp_write },
{ .name = "TLBIIPAS2IS",
.cp = 15, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 1,
- .type = ARM_CP_NOP, .access = PL2_W },
+ .type = ARM_CP_NO_RAW, .access = PL2_W,
+ .writefn = tlbiipas2is_hyp_write },
{ .name = "TLBIIPAS2L",
.cp = 15, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 5,
- .type = ARM_CP_NOP, .access = PL2_W },
+ .type = ARM_CP_NO_RAW, .access = PL2_W,
+ .writefn = tlbiipas2_hyp_write },
{ .name = "TLBIIPAS2LIS",
.cp = 15, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 5,
- .type = ARM_CP_NOP, .access = PL2_W },
+ .type = ARM_CP_NO_RAW, .access = PL2_W,
+ .writefn = tlbiipas2is_hyp_write },
/* 32 bit cache operations */
{ .name = "ICIALLUIS", .cp = 15, .opc1 = 0, .crn = 7, .crm = 1, .opc2 = 0,
.type = ARM_CP_NOP, .access = PL1_W, .accessfn = aa64_cacheop_pou_access },
@@ -6694,10 +6765,12 @@ static const ARMCPRegInfo tlbirange_reginfo[] = {
.writefn = tlbi_aa64_rvae1_write },
{ .name = "TLBI_RIPAS2E1IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 2,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ripas2e1is_write },
{ .name = "TLBI_RIPAS2LE1IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 6,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ripas2e1is_write },
{ .name = "TLBI_RVAE2IS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 2, .opc2 = 1,
.access = PL2_W, .type = ARM_CP_NO_RAW | ARM_CP_EL3_NO_EL2_UNDEF,
@@ -6708,10 +6781,12 @@ static const ARMCPRegInfo tlbirange_reginfo[] = {
.writefn = tlbi_aa64_rvae2is_write },
{ .name = "TLBI_RIPAS2E1", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 2,
- .access = PL2_W, .type = ARM_CP_NOP },
- { .name = "TLBI_RIPAS2LE1", .state = ARM_CP_STATE_AA64,
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ripas2e1_write },
+ { .name = "TLBI_RIPAS2LE1", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 6,
- .access = PL2_W, .type = ARM_CP_NOP },
+ .access = PL2_W, .type = ARM_CP_NO_RAW,
+ .writefn = tlbi_aa64_ripas2e1_write },
{ .name = "TLBI_RVAE2OS", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 5, .opc2 = 1,
.access = PL2_W, .type = ARM_CP_NO_RAW | ARM_CP_EL3_NO_EL2_UNDEF,
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-10 19:30:46 +0000