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[PATCH v7 58/64] linux-user/nios2: Handle various SIGILL exceptions
From: |
Richard Henderson |
Subject: |
[PATCH v7 58/64] linux-user/nios2: Handle various SIGILL exceptions |
Date: |
Thu, 21 Apr 2022 08:17:29 -0700 |
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>
---
linux-user/nios2/cpu_loop.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c
index a5e86990e2..da77ede76b 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:
--
2.34.1
- Re: [PATCH v7 43/64] target/nios2: Split out named structs for [IRJ]_TYPE, (continued)
- [PATCH v7 48/64] target/nios2: Create gen_jumpr, Richard Henderson, 2022/04/21
- [PATCH v7 40/64] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/04/21
- [PATCH v7 51/64] target/nios2: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2022/04/21
- [PATCH v7 45/64] target/nios2: Introduce dest_gpr, Richard Henderson, 2022/04/21
- [PATCH v7 47/64] target/nios2: Enable unaligned traps for system mode, Richard Henderson, 2022/04/21
- [PATCH v7 46/64] target/nios2: Drop CR_STATUS_EH from tb->flags, Richard Henderson, 2022/04/21
- [PATCH v7 49/64] target/nios2: Hoist set of is_jmp into gen_goto_tb, Richard Henderson, 2022/04/21
- [PATCH v7 50/64] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY, Richard Henderson, 2022/04/21
- [PATCH v7 52/64] target/nios2: Implement Misaligned destination exception, Richard Henderson, 2022/04/21
- [PATCH v7 58/64] linux-user/nios2: Handle various SIGILL exceptions,
Richard Henderson <=
- [PATCH v7 61/64] hw/nios2: Move memory regions into Nios2Machine, Richard Henderson, 2022/04/21
- [PATCH v7 56/64] target/nios2: Implement EIC interrupt processing, Richard Henderson, 2022/04/21
- [PATCH v7 55/64] target/nios2: Update helper_eret for shadow registers, Richard Henderson, 2022/04/21
- [PATCH v7 59/64] hw/intc: Vectored Interrupt Controller (VIC), Richard Henderson, 2022/04/21
- [PATCH v7 64/64] tests/tcg/nios2: Add test-shadow-1, Richard Henderson, 2022/04/21
- [PATCH v7 53/64] target/nios2: Introduce shadow register sets, Richard Henderson, 2022/04/21
- [PATCH v7 60/64] hw/nios2: Introduce Nios2MachineState, Richard Henderson, 2022/04/21