commit c47d7c87bf1cc164306a6bf51d550e5f10bcca02
author Richard Henderson <richard.henderson@linaro.org> Wed Feb 15 19:45:13 2023 -1000
committer Laurent Vivier <laurent@vivier.eu> Fri Mar 10 20:45:47 2023 +0100
tree 21f27fca291edc4703533b91d5b21e9695c71b43
parent 235f33b81834c5e60a53de47e4907da888448be7

linux-user/sparc: Handle coprocessor disabled trap

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

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 43f19fb..bf7e102 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -311,6 +311,10 @@
             /* 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);