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target-arm: Implement AArch64 TLB invalidate ops

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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.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-02-26 17:20:03 +00:00
parent 8af35c37d2
commit 168aa23bb0
1 changed files with 73 additions and 0 deletions
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73
target-arm/helper.c
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@ -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
};