Commit 153a15e9f5 for qemu.org
commit 153a15e9f5ec25d90a9921b631104c91d9880dd6
Author: Jim MacArthur <jim.macarthur@linaro.org>
Date: Thu Jan 15 15:26:29 2026 +0000
target/arm: Enable ID_AA64MMFR4_EL1 register
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
Signed-off-by: Jim MacArthur <jim.macarthur@linaro.org>
[PMM: add entry to v8_user_idregs[] list also]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/arm/cpu-sysregs.h.inc b/target/arm/cpu-sysregs.h.inc
index 2bb2861c62..2ba49d8478 100644
--- a/target/arm/cpu-sysregs.h.inc
+++ b/target/arm/cpu-sysregs.h.inc
@@ -14,6 +14,7 @@ DEF(ID_AA64MMFR0_EL1, 3, 0, 0, 7, 0)
DEF(ID_AA64MMFR1_EL1, 3, 0, 0, 7, 1)
DEF(ID_AA64MMFR2_EL1, 3, 0, 0, 7, 2)
DEF(ID_AA64MMFR3_EL1, 3, 0, 0, 7, 3)
+DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
DEF(ID_PFR0_EL1, 3, 0, 0, 1, 0)
DEF(ID_PFR1_EL1, 3, 0, 0, 1, 1)
DEF(ID_DFR0_EL1, 3, 0, 0, 1, 2)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 263ca29d92..a7239ff25b 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6566,11 +6566,11 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
.resetvalue = GET_IDREG(isar, ID_AA64MMFR3) },
- { .name = "ID_AA64MMFR4_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
+ { .name = "ID_AA64MMFR4_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = 0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64MMFR4) },
{ .name = "ID_AA64MMFR5_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -6706,6 +6706,8 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.exported_bits = R_ID_AA64MMFR2_AT_MASK },
{ .name = "ID_AA64MMFR3_EL1",
.exported_bits = 0 },
+ { .name = "ID_AA64MMFR4_EL1",
+ .exported_bits = 0 },
{ .name = "ID_AA64MMFR*_EL1_RESERVED",
.is_glob = true },
{ .name = "ID_AA64DFR0_EL1",