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target-arm: Provide syndrome information for MMU faults

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Set up the required syndrome information when we detect an MMU fault.

Signed-off-by: Rob Herring <rob.herring@linaro.org>
[PMM: split out from exception handling patch, tweaked to bring
 in line with how we create other kinds of syndrome information]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
This commit is contained in:
Rob Herring 2014-04-15 19:18:39 +01:00 • committed by Peter Maydell
parent d4a2dc675b
commit 00892383c9
2 changed files with 25 additions and 0 deletions
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13
target-arm/internals.h
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@ -188,4 +188,17 @@ static inline uint32_t syn_cp15_rrt_trap(int cv, int cond, int opc1, int crm,
| (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
}
static inline uint32_t syn_insn_abort(int same_el, int ea, int s1ptw, int fsc)
{
return (EC_INSNABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
| (ea << 9) | (s1ptw << 7) | fsc;
}
static inline uint32_t syn_data_abort(int same_el, int ea, int cm, int s1ptw,
int wnr, int fsc)
{
return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
| (ea << 9) | (cm << 8) | (s1ptw << 7) | (wnr << 6) | fsc;
}
#endif