diff mbox series

[PULL,24/28] linux-user/sparc: Handle coprocessor disabled trap

Message ID 20230308132857.161793-25-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>

Since qemu does not implement a sparc coprocessor, all such
instructions raise this trap.  Because of that, we never raise
the coprocessor exception trap, which would be vector 0x28.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230216054516.1267305-13-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/sparc/cpu_loop.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 43f19fbd9141..bf7e10216fe1 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -311,6 +311,10 @@  void cpu_loop (CPUSPARCState *env)
             /* Note do_privact defers to do_privop. */
             force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc);
             break;
+#else
+        case TT_NCP_INSN:
+            force_sig_fault(TARGET_SIGILL, TARGET_ILL_COPROC, env->pc);
+            break;
 #endif
         case EXCP_ATOMIC:
             cpu_exec_step_atomic(cs);