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[PATCH v2 10/15] linux-user/sparc: Handle priviledged opcode trap
From: |
Richard Henderson |
Subject: |
[PATCH v2 10/15] linux-user/sparc: Handle priviledged opcode trap |
Date: |
Wed, 15 Feb 2023 19:45:11 -1000 |
For the most part priviledged opcodes are ifdefed out of the
user-only sparc translator, which will then incorrectly produce
illegal opcode traps. But there are some code paths that
properly raise TT_PRIV_INSN, so we must handle it.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/sparc/cpu_loop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index a3edb353f6..61b6e81459 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -303,6 +303,9 @@ void cpu_loop (CPUSPARCState *env)
case TT_ILL_INSN:
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->pc);
break;
+ case TT_PRIV_INSN:
+ force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc);
+ break;
case EXCP_ATOMIC:
cpu_exec_step_atomic(cs);
break;
--
2.34.1
- [PATCH v2 00/15] linux-user/sparc: Handle missing traps, Richard Henderson, 2023/02/16
- [PATCH v2 01/15] linux-user/sparc: Raise SIGILL for all unhandled software traps, Richard Henderson, 2023/02/16
- [PATCH v2 02/15] linux-user/sparc: Tidy syscall trap, Richard Henderson, 2023/02/16
- [PATCH v2 03/15] linux-user/sparc: Tidy syscall error return, Richard Henderson, 2023/02/16
- [PATCH v2 04/15] linux-user/sparc: Use TT_TRAP for flush windows, Richard Henderson, 2023/02/16
- [PATCH v2 05/15] linux-user/sparc: Tidy window spill/fill traps, Richard Henderson, 2023/02/16
- [PATCH v2 06/15] linux-user/sparc: Fix sparc64_{get, set}_context traps, Richard Henderson, 2023/02/16
- [PATCH v2 07/15] linux-user/sparc: Handle software breakpoint trap, Richard Henderson, 2023/02/16
- [PATCH v2 08/15] linux-user/sparc: Handle division by zero traps, Richard Henderson, 2023/02/16
- [PATCH v2 09/15] linux-user/sparc: Handle getcc, setcc, getpsr traps, Richard Henderson, 2023/02/16
- [PATCH v2 10/15] linux-user/sparc: Handle priviledged opcode trap,
Richard Henderson <=
- [PATCH v2 11/15] linux-user/sparc: Handle privilidged action trap, Richard Henderson, 2023/02/16
- [PATCH v2 12/15] linux-user/sparc: Handle coprocessor disabled trap, Richard Henderson, 2023/02/16
- [PATCH v2 13/15] linux-user/sparc: Handle unimplemented flush trap, Richard Henderson, 2023/02/16
- [PATCH v2 14/15] linux-user/sparc: Handle floating-point exceptions, Richard Henderson, 2023/02/16
- [PATCH v2 15/15] linux-user/sparc: Handle tag overflow traps, Richard Henderson, 2023/02/16