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target/arm: Implement GPC exceptions

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Handle GPC Fault types in arm_deliver_fault, reporting as
either a GPC exception at EL3, or falling through to insn
or data aborts at various exception levels.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-23 11:15:48 +01:00 • committed by Peter Maydell
parent f65a9bc719
commit 11b76fda0a
4 changed files with 126 additions and 3 deletions
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target/arm/cpu.h
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@ -57,6 +57,7 @@
#define EXCP_UNALIGNED 22 /* v7M UNALIGNED UsageFault */
#define EXCP_DIVBYZERO 23 /* v7M DIVBYZERO UsageFault */
#define EXCP_VSERR 24
#define EXCP_GPC 25 /* v9 Granule Protection Check Fault */
/* NB: add new EXCP_ defines to the array in arm_log_exception() too */
#define ARMV7M_EXCP_RESET 1