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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-04-21 08:17:29 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-04-26 08:17:05 -0700 |
| commit | 3747727aad1841bd07b7c9588b6d9b32182b1121 (patch) | |
| tree | 4588139db3b5b5b3afd8ef311b9da8710cdffad6 /linux-user | |
| parent | e84f1768449330a5b4c62a8aaa68f102ba6ec573 (diff) | |
| download | qemu-3747727aad1841bd07b7c9588b6d9b32182b1121.zip qemu-3747727aad1841bd07b7c9588b6d9b32182b1121.tar.gz qemu-3747727aad1841bd07b7c9588b6d9b32182b1121.tar.bz2 | |
linux-user/nios2: Handle various SIGILL exceptions
We missed out on a couple of exception types that may
legitimately be raised by a userland program.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-59-richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/nios2/cpu_loop.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c index a5e8699..da77ede7 100644 --- a/linux-user/nios2/cpu_loop.c +++ b/linux-user/nios2/cpu_loop.c @@ -50,6 +50,18 @@ void cpu_loop(CPUNios2State *env) env->ctrl[CR_BADADDR]); break; + case EXCP_ILLEGAL: + case EXCP_UNIMPL: + /* Match kernel's handle_illegal_c(). */ + env->pc -= 4; + force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->pc); + break; + case EXCP_SUPERI: + /* Match kernel's handle_supervisor_instr(). */ + env->pc -= 4; + force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc); + break; + case EXCP_TRAP: switch (env->error_code) { case 0: |