From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk, laurent@vivier.eu, iii@linux.ibm.com
Subject: [PATCH 14/14] linux-user/sparc: Handle tag overflow traps
Date: Wed, 1 Feb 2023 14:52:04 -1000 [thread overview]
Message-ID: <20230202005204.2055899-15-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230202005204.2055899-1-richard.henderson@linaro.org>
This trap is raised by taddcctv and tsubcctv insns.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/sparc/target_signal.h | 2 +-
linux-user/syscall_defs.h | 5 +++++
linux-user/sparc/cpu_loop.c | 3 +++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h
index 87757f0c4e..f223eb4af6 100644
--- a/linux-user/sparc/target_signal.h
+++ b/linux-user/sparc/target_signal.h
@@ -8,7 +8,7 @@
#define TARGET_SIGTRAP 5
#define TARGET_SIGABRT 6
#define TARGET_SIGIOT 6
-#define TARGET_SIGSTKFLT 7 /* actually EMT */
+#define TARGET_SIGEMT 7
#define TARGET_SIGFPE 8
#define TARGET_SIGKILL 9
#define TARGET_SIGBUS 10
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 77864de57f..614a1cbc8e 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -717,6 +717,11 @@ typedef struct target_siginfo {
#define TARGET_TRAP_HWBKPT (4) /* hardware breakpoint/watchpoint */
#define TARGET_TRAP_UNK (5) /* undiagnosed trap */
+/*
+ * SIGEMT si_codes
+ */
+#define TARGET_EMT_TAGOVF 1 /* tag overflow */
+
#include "target_resource.h"
struct target_pollfd {
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 18109f545d..0b19f47876 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -332,6 +332,9 @@ void cpu_loop (CPUSPARCState *env)
case TT_PRIV_INSN:
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc);
break;
+ case TT_TOVF:
+ force_sig_fault(TARGET_SIGEMT, TARGET_EMT_TAGOVF, env->pc);
+ break;
#ifdef TARGET_SPARC64
case TT_PRIV_ACT:
/* Note do_privact defers to do_privop. */
--
2.34.1
next prev parent reply other threads:[~2023-02-02 0:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-02 0:51 [PATCH 00/14] linux-user/sparc: Handle missing traps Richard Henderson
2023-02-02 0:51 ` [PATCH 01/14] linux-user/sparc: Raise SIGILL for all unhandled software traps Richard Henderson
2023-02-02 11:56 ` Ilya Leoshkevich
2023-02-02 0:51 ` [PATCH 02/14] linux-user/sparc: Tidy syscall trap Richard Henderson
2023-02-02 1:15 ` Richard Henderson
2023-02-02 0:51 ` [PATCH 03/14] linux-user/sparc: Use TT_TRAP for flush windows Richard Henderson
2023-02-02 0:51 ` [PATCH 04/14] linux-user/sparc: Tidy window spill/fill traps Richard Henderson
2023-02-02 0:51 ` [PATCH 05/14] linux-user/sparc: Fix sparc64_{get,set}_context traps Richard Henderson
2023-02-02 0:51 ` [PATCH 06/14] linux-user/sparc: Handle software breakpoint trap Richard Henderson
2023-02-02 0:51 ` [PATCH 07/14] linux-user/sparc: Handle division by zero traps Richard Henderson
2023-02-02 0:51 ` [PATCH 08/14] linux-user/sparc: Handle getcc, setcc, getpsr traps Richard Henderson
2023-02-02 0:51 ` [PATCH 09/14] linux-user/sparc: Handle priviledged opcode trap Richard Henderson
2023-02-02 0:52 ` [PATCH 10/14] linux-user/sparc: Handle privilidged action trap Richard Henderson
2023-02-02 0:52 ` [PATCH 11/14] linux-user/sparc: Handle coprocessor disabled trap Richard Henderson
2023-02-02 0:52 ` [PATCH 12/14] linux-user/sparc: Handle unimplemented flush trap Richard Henderson
2023-02-02 0:52 ` [PATCH 13/14] linux-user/sparc: Handle floating-point exceptions Richard Henderson
2023-02-02 0:52 ` Richard Henderson [this message]
2023-02-05 23:24 ` [PATCH 00/14] linux-user/sparc: Handle missing traps Mark Cave-Ayland
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