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target-arm: Implement MDCR_EL3.TDOSA and MDCR_EL2.TDOSA traps

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Implement the traps to EL2 and EL3 controlled by the bits
MDCR_EL2.TDOSA MDCR_EL3.TDOSA. These can configurably trap
accesses to the "powerdown debug" registers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
This commit is contained in:
Peter Maydell 2016-02-18 14:16:15 +00:00
parent f096e92b63
commit 187f678d5c
2 changed files with 34 additions and 1 deletions
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12
target-arm/cpu.h
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@ -595,6 +595,18 @@ void pmccntr_sync(CPUARMState *env);
#define CPTR_TTA (1U << 20)
#define CPTR_TFP (1U << 10)
#define MDCR_EPMAD (1U << 21)
#define MDCR_EDAD (1U << 20)
#define MDCR_SPME (1U << 17)
#define MDCR_SDD (1U << 16)
#define MDCR_TDRA (1U << 11)
#define MDCR_TDOSA (1U << 10)
#define MDCR_TDA (1U << 9)
#define MDCR_TDE (1U << 8)
#define MDCR_HPME (1U << 7)
#define MDCR_TPM (1U << 6)
#define MDCR_TPMCR (1U << 5)
#define CPSR_M (0x1fU)
#define CPSR_T (1U << 5)
#define CPSR_F (1U << 6)