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[PULL 14/28] linux-user/sparc: Tidy syscall trap
From: |
Laurent Vivier |
Subject: |
[PULL 14/28] linux-user/sparc: Tidy syscall trap |
Date: |
Fri, 10 Mar 2023 23:09:13 +0100 |
From: Richard Henderson <richard.henderson@linaro.org>
Use TT_TRAP.
For sparc32, 0x88 is the "Slowaris" system call, currently BAD_TRAP
in the kernel's ttable_32.S. For sparc64, 0x110 is tl0_linux32, the
sparc32 trap, now folded into the TARGET_ABI32 case via TT_TRAP.
For sparc64, there does still exist trap 0x111 as tl0_oldlinux64,
which was replaced by 0x16d as tl0_linux64 in 1998. Since no one
has noticed, don't bother implementing it now.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230216054516.1267305-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
linux-user/sparc/cpu_loop.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index c120c422786a..d31ea057dba1 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -149,6 +149,12 @@ static void flush_windows(CPUSPARCState *env)
#endif
}
+#ifdef TARGET_ABI32
+#define TARGET_TT_SYSCALL (TT_TRAP + 0x10) /* t_linux */
+#else
+#define TARGET_TT_SYSCALL (TT_TRAP + 0x6d) /* tl0_linux64 */
+#endif
+
void cpu_loop (CPUSPARCState *env)
{
CPUState *cs = env_cpu(env);
@@ -167,13 +173,7 @@ void cpu_loop (CPUSPARCState *env)
}
switch (trapnr) {
-#ifndef TARGET_SPARC64
- case 0x88:
- case 0x90:
-#else
- case 0x110:
- case 0x16d:
-#endif
+ case TARGET_TT_SYSCALL:
ret = do_syscall (env, env->gregs[1],
env->regwptr[0], env->regwptr[1],
env->regwptr[2], env->regwptr[3],
--
2.39.2
- [PULL 20/28] linux-user/sparc: Handle division by zero traps, (continued)
- [PULL 20/28] linux-user/sparc: Handle division by zero traps, Laurent Vivier, 2023/03/08
- Re: [PULL 00/28] Linux user for 8.0 patches, Peter Maydell, 2023/03/10
- [PULL 00/28] Linux user for 8.0 patches, Laurent Vivier, 2023/03/10
- [PULL 01/28] linux-user: Fix access to /proc/self/exe, Laurent Vivier, 2023/03/10
- [PULL 08/28] linux-user: Provide print_raw_param64() for 64-bit values, Laurent Vivier, 2023/03/10
- [PULL 07/28] linux-user: Fix brk() to release pages, Laurent Vivier, 2023/03/10
- [PULL 05/28] linux-user: add support for xtensa FDPIC, Laurent Vivier, 2023/03/10
- [PULL 12/28] linux-user: Add translation for argument of msync(), Laurent Vivier, 2023/03/10
- [PULL 03/28] linux-user: add target to host netlink conversions, Laurent Vivier, 2023/03/10
- [PULL 04/28] linux-user: Fix unaligned memory access in prlimit64 syscall, Laurent Vivier, 2023/03/10
- [PULL 14/28] linux-user/sparc: Tidy syscall trap,
Laurent Vivier <=
- [PULL 13/28] linux-user: Emulate CLONE_PIDFD flag in clone(), Laurent Vivier, 2023/03/10
- [PULL 20/28] linux-user/sparc: Handle division by zero traps, Laurent Vivier, 2023/03/10
- [PULL 06/28] linux-user: fill out task state in /proc/self/stat, Laurent Vivier, 2023/03/10
- [PULL 02/28] linux-user: fix timerfd read endianness conversion, Laurent Vivier, 2023/03/10
- [PULL 15/28] linux-user/sparc: Tidy syscall error return, Laurent Vivier, 2023/03/10
- [PULL 17/28] linux-user/sparc: Tidy window spill/fill traps, Laurent Vivier, 2023/03/10
- [PULL 18/28] linux-user/sparc: Fix sparc64_{get, set}_context traps, Laurent Vivier, 2023/03/10
- [PULL 22/28] linux-user/sparc: Handle priviledged opcode trap, Laurent Vivier, 2023/03/10
- [PULL 11/28] linux-user: handle netlink flag NLA_F_NESTED, Laurent Vivier, 2023/03/10
- [PULL 23/28] linux-user/sparc: Handle privilidged action trap, Laurent Vivier, 2023/03/10