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authorPeter Maydell <peter.maydell@linaro.org>2016-02-11 11:17:31 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-02-11 11:17:31 +0000
commit3f208fd76bcc91a8506681bb8472f2398fe6f487 (patch)
treebc3d1894f35937be8e3c75a77e79d687fa7d8c21 /target-arm/op_helper.c
parent533e93f1cf12c570aab45f14663dab6fb8ea3ffc (diff)
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target-arm: Add isread parameter to CPAccessFns
System registers might have access requirements which need to be described via a CPAccessFn and which differ for reads and writes. For this to be possible we need to pass the access function a parameter to tell it whether the access being checked is a read or a write. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com> Message-id: 1454506721-11843-6-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'target-arm/op_helper.c')
-rw-r--r--target-arm/op_helper.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index a5ee65fe2f..313c0f8bd7 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -457,7 +457,8 @@ void HELPER(set_user_reg)(CPUARMState *env, uint32_t regno, uint32_t val)
}
}
-void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome)
+void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome,
+ uint32_t isread)
{
const ARMCPRegInfo *ri = rip;
int target_el;
@@ -471,7 +472,7 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome)
return;
}
- switch (ri->accessfn(env, ri)) {
+ switch (ri->accessfn(env, ri, isread)) {
case CP_ACCESS_OK:
return;
case CP_ACCESS_TRAP: