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authorGustavo Romero <gustavo.romero@linaro.org>2025-08-26 11:21:28 +0100
committerPeter Maydell <peter.maydell@linaro.org>2025-08-30 16:37:22 +0100
commit6e6d5fb4b928f09b46d0fa99830d75cddb22f73b (patch)
tree71c13a42cb6327048ac34891ca5652ff99209717 /target/arm/cpu.c
parent8a60ffe9a8f46ed514656eb4a40d1386c439daf8 (diff)
downloadfocaccia-qemu-6e6d5fb4b928f09b46d0fa99830d75cddb22f73b.tar.gz
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target/arm: Implement FEAT_TCR2 and enable with -cpu max
Add FEAT_TCR2, which introduces the TCR2_EL1 and TCR2_EL2 registers.
These registers are extensions of the TCR_ELx registers and provide
top-level control of the EL10 and EL20 translation regimes.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250727074202.83141-5-richard.henderson@linaro.org
Message-ID: <20250711140828.1714666-5-gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[rth: Remove FEAT_MEC code; handle SCR and HCRX enable bits.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/cpu.c')
-rw-r--r--target/arm/cpu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 2ab04cb5f7..27a4610da5 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -644,6 +644,9 @@ void arm_emulate_firmware_reset(CPUState *cpustate, int target_el)
             if (cpu_isar_feature(aa64_fgt, cpu)) {
                 env->cp15.scr_el3 |= SCR_FGTEN;
             }
+            if (cpu_isar_feature(aa64_tcr2, cpu)) {
+                env->cp15.scr_el3 |= SCR_TCR2EN;
+            }
             if (cpu_isar_feature(aa64_sctlr2, cpu)) {
                 env->cp15.scr_el3 |= SCR_SCTLR2EN;
             }