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target-arm: Wire up HLT 0xf000 as the A64 semihosting instruction

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For the A64 instruction set, the semihosting call instruction
is 'HLT 0xf000'. Wire this up to call do_arm_semihosting()
if semihosting is enabled.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Christopher Covington <christopher.covington@linaro.org>
Tested-by: Christopher Covington <cov@codeaurora.org>
Message-id: 1439483745-28752-10-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2015-09-07 10:39:28 +01:00
parent 7446d35e1d
commit 8012c84ff9
5 changed files with 34 additions and 2 deletions
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2
target-arm/internals.h
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@ -36,6 +36,7 @@ static inline bool excp_is_internal(int excp)
|| excp == EXCP_HALTED
|| excp == EXCP_EXCEPTION_EXIT
|| excp == EXCP_KERNEL_TRAP
|| excp == EXCP_SEMIHOST
|| excp == EXCP_STREX;
}
@ -58,6 +59,7 @@ static const char * const excnames[] = {
[EXCP_SMC] = "Secure Monitor Call",
[EXCP_VIRQ] = "Virtual IRQ",
[EXCP_VFIQ] = "Virtual FIQ",
[EXCP_SEMIHOST] = "Semihosting call",
};
static inline void arm_log_exception(int idx)