Implement the AArch64 TLB invalidate operations. This is
the full set of TLBI ops defined for a CPU which doesn't
implement EL2 or EL3.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target-arm/helper.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index e1f1c4d..8184c38 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1525,6 +1525,30 @@ static CPAccessResult aa64_cacheop_access(CPUARMState
*env,
return CP_ACCESS_OK;
}
+static void tlbi_aa64_va_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ /* Invalidate by VA (AArch64 version) */
+ uint64_t pageaddr = value << 12;
+ tlb_flush_page(env, pageaddr);
+}
+
+static void tlbi_aa64_vaa_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ /* Invalidate by VA, all ASIDs (AArch64 version) */
+ uint64_t pageaddr = value << 12;
+ tlb_flush_page(env, pageaddr);
+}
+
+static void tlbi_aa64_asid_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ /* Invalidate by ASID (AArch64 version) */
+ int asid = extract64(value, 48, 16);
+ tlb_flush(env, asid == 0);
+}
+
static const ARMCPRegInfo v8_cp_reginfo[] = {
/* Minimal set of EL0-visible registers. This will need to be expanded
* significantly for system emulation of AArch64 CPUs.
@@ -1583,6 +1607,55 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
{ .name = "DC_CISW", .state = ARM_CP_STATE_AA64,
.opc0 = 1, .opc1 = 0, .crn = 7, .crm = 14, .opc2 = 2,
.access = PL1_W, .type = ARM_CP_NOP },
+ /* TLBI operations */
+ { .name = "TLBI_VMALLE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 0,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbiall_write },
+ { .name = "TLBI_VAE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 1,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_va_write },
+ { .name = "TLBI_ASIDE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 2,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_asid_write },
+ { .name = "TLBI_VAAE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 3,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_vaa_write },
+ { .name = "TLBI_VALE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 5,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_va_write },
+ { .name = "TLBI_VAALE1IS", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 7,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_vaa_write },
+ { .name = "TLBI_VMALLE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 0,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbiall_write },
+ { .name = "TLBI_VAE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 1,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_va_write },
+ { .name = "TLBI_ASIDE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 2,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_asid_write },
+ { .name = "TLBI_VAAE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 3,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_vaa_write },
+ { .name = "TLBI_VALE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 5,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_va_write },
+ { .name = "TLBI_VAALE1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 7,
+ .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
+ .writefn = tlbi_aa64_vaa_write },
REGINFO_SENTINEL
};
--
1.8.5
