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[11/14] linux-user/sparc: Handle coprocessor disabled trap

Message ID 20230202005204.2055899-12-richard.henderson@linaro.org
State New
Headers show
Series linux-user/sparc: Handle missing traps | expand

Commit Message

Richard Henderson Feb. 2, 2023, 12:52 a.m. UTC 
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>
---
 linux-user/sparc/cpu_loop.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 42e92ef859..8985d10ba1 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -315,6 +315,10 @@  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);