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authorPeter Maydell <peter.maydell@linaro.org>2021-08-16 19:03:05 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-08-26 17:02:01 +0100
commit8e228c9e4bcfea634e7ee404f4d13136d2072c71 (patch)
treedc82dfa1366d417dd3f1fe3c6e35365104ced5b7 /target/arm/helper.h
parentcc7613bfaa1f653a6eb6ff50ac45d5c5fd717052 (diff)
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target/arm: Implement HSTR.TJDBX
In v7A, the HSTR register has a TJDBX bit which traps NS EL0/EL1 access to the JOSCR and JMCR trivial Jazelle registers, and also BXJ. Implement these traps. In v8A this HSTR bit doesn't exist, so don't trap for v8A CPUs. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210816180305.20137-3-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/helper.h')
-rw-r--r--target/arm/helper.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h
index aee8f00..448a86e 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -73,6 +73,8 @@ DEF_HELPER_2(v7m_vlldm, void, env, i32)
DEF_HELPER_2(v8m_stackcheck, void, env, i32)
+DEF_HELPER_FLAGS_2(check_bxj_trap, TCG_CALL_NO_WG, void, env, i32)
+
DEF_HELPER_4(access_check_cp_reg, void, env, ptr, i32, i32)
DEF_HELPER_3(set_cp_reg, void, env, ptr, i32)
DEF_HELPER_2(get_cp_reg, i32, env, ptr)