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Disallow delegation of misaligned-fetch exceptions when IALIGN=16
Fixes #2230
pull/2232/head
Andrew Waterman
2 months ago
Failed to extract signature
1 changed files with
1 additions and
1 deletions
-
riscv/csrs.cc
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@ -996,7 +996,7 @@ void medeleg_csr_t::verify_permissions(insn_t insn, bool write) const { |
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bool medeleg_csr_t::unlogged_write(const reg_t val) noexcept { |
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const reg_t mask = 0 |
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| (1 << CAUSE_MISALIGNED_FETCH) |
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| (proc->extension_enabled(EXT_ZCA) ? 0 : 1 << CAUSE_MISALIGNED_FETCH) |
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| (1 << CAUSE_FETCH_ACCESS) |
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| (1 << CAUSE_ILLEGAL_INSTRUCTION) |
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| (1 << CAUSE_BREAKPOINT) |
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