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[Qemu-devel] [PULL 02/27] target/arm: Implement HACR_EL2
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 02/27] target/arm: Implement HACR_EL2 |
Date: |
Thu, 14 Feb 2019 19:05:38 +0000 |
HACR_EL2 is a register with IMPDEF behaviour, which allows
implementation specific trapping to EL2. Implement it as RAZ/WI,
since QEMU's implementation has no extra traps. This also
matches what h/w implementations like Cortex-A53 and A57 do.
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Message-id: address@hidden
---
target/arm/helper.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index bd9f6050eca..e1ef2f35237 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4434,6 +4434,9 @@ static const ARMCPRegInfo el3_no_el2_cp_reginfo[] = {
.opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0,
.access = PL2_RW,
.type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "HACR_EL2", .state = ARM_CP_STATE_BOTH,
+ .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 7,
+ .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
{ .name = "ESR_EL2", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 4, .crn = 5, .crm = 2, .opc2 = 0,
.access = PL2_RW,
@@ -4666,6 +4669,9 @@ static const ARMCPRegInfo el2_cp_reginfo[] = {
.cp = 15, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0,
.access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hcr_el2),
.writefn = hcr_writelow },
+ { .name = "HACR_EL2", .state = ARM_CP_STATE_BOTH,
+ .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 7,
+ .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
{ .name = "ELR_EL2", .state = ARM_CP_STATE_AA64,
.type = ARM_CP_ALIAS,
.opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 1,
--
2.20.1
- [Qemu-devel] [PULL 00/27] target-arm queue, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 01/27] target/arm: Fix CRn to be 14 for PMEVTYPER/PMEVCNTR, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 02/27] target/arm: Implement HACR_EL2,
Peter Maydell <=
- [Qemu-devel] [PULL 03/27] target/arm: Fix int128_make128 lo, hi order in paired_cmpxchg64_be, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 04/27] target/arm: Force result size into dp after operation, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 05/27] target/arm: Restructure disas_fp_int_conv, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 06/27] target/arm: relax permission checks for HWCAP_CPUID registers, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 07/27] target/arm: expose CPUID registers to userspace, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 08/27] target/arm: expose MPIDR_EL1 to userspace, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 09/27] target/arm: expose remaining CPUID registers as RAZ, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 10/27] linux-user/elfload: enable HWCAP_CPUID for AArch64, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 12/27] MAINTAINERS: Remove Peter Crosthwaite from various entries, Peter Maydell, 2019/02/14
- [Qemu-devel] [PULL 15/27] target/arm: Rely on optimization within tcg_gen_gvec_or, Peter Maydell, 2019/02/14