HelenOS sources

ESR_IDFSC_MASK    135 boot/arch/arm64/include/arch/regutils.h #define ESR_IDFSC_MASK  (UWORD64(0x3f) << ESR_IDFSC_SHIFT)
ESR_IDFSC_MASK    135 kernel/arch/arm64/include/arch/regutils.h #define ESR_IDFSC_MASK  (UWORD64(0x3f) << ESR_IDFSC_SHIFT)
ESR_IDFSC_MASK    135 uspace/lib/c/arch/arm64/include/libarch/regutils.h #define ESR_IDFSC_MASK  (UWORD64(0x3f) << ESR_IDFSC_SHIFT)
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