diff mbox series

[PULL,22/28] linux-user/sparc: Handle priviledged opcode trap

Message ID 20230308132857.161793-23-laurent@vivier.eu (mailing list archive)
State New, archived
Headers show
Series [PULL,01/28] linux-user: Fix access to /proc/self/exe | expand

Commit Message

Laurent Vivier March 8, 2023, 1:28 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

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>
Message-Id: <20230216054516.1267305-11-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/sparc/cpu_loop.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index a3edb353f6fd..61b6e81459be 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;