[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 12/15] linux-user/sparc: Handle coprocessor disabled trap
From: |
Richard Henderson |
Subject: |
[PATCH v2 12/15] linux-user/sparc: Handle coprocessor disabled trap |
Date: |
Wed, 15 Feb 2023 19:45:13 -1000 |
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(+)
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 43f19fbd91..bf7e10216f 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);
--
2.34.1
- [PATCH v2 02/15] linux-user/sparc: Tidy syscall trap, (continued)
- [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, 2023/02/16
- [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 <=
- [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