diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2019-05-24 18:20:49 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2019-06-26 17:14:41 +0200 |
| commit | c6d0700f57b2c50229a27e31b9f99056a011215f (patch) | |
| tree | 4d8c0973d5093a173a0cb7ad72c344dc701c377b /linux-user/m68k | |
| parent | 808d77bc5f878a666035d478480b8ed229bd49fe (diff) | |
linux-user/m68k: remove simulator syscall interface
This interface has been introduced in 2005 with the
coldfire implementation (e6e5906b6e ColdFire target.)
and looks like to do what the linux-user interface already
does with the TRAP exception rather than the ILLEGAL
exception.
This interface has not been maintained since that.
The semi-hosting interface is not removed so coldfire kernel
with semi-hosting is always supported.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190524162049.806-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/m68k')
| -rw-r--r-- | linux-user/m68k/cpu_loop.c | 17 | ||||
| -rw-r--r-- | linux-user/m68k/target_syscall.h | 2 |
2 files changed, 1 insertions, 18 deletions
diff --git a/linux-user/m68k/cpu_loop.c b/linux-user/m68k/cpu_loop.c index e8d39d15f3..c7a500b58c 100644 --- a/linux-user/m68k/cpu_loop.c +++ b/linux-user/m68k/cpu_loop.c @@ -28,7 +28,6 @@ void cpu_loop(CPUM68KState *env) int trapnr; unsigned int n; target_siginfo_t info; - TaskState *ts = cs->opaque; for(;;) { cpu_exec_start(cs); @@ -37,26 +36,14 @@ void cpu_loop(CPUM68KState *env) process_queued_cpu_work(cs); switch(trapnr) { - case EXCP_ILLEGAL: - { - if (ts->sim_syscalls) { - uint16_t nr; - get_user_u16(nr, env->pc + 2); - env->pc += 4; - do_m68k_simcall(env, nr); - } else { - goto do_sigill; - } - } - break; case EXCP_HALT_INSN: /* Semihosing syscall. */ env->pc += 4; do_m68k_semihosting(env, env->dregs[0]); break; + case EXCP_ILLEGAL: case EXCP_LINEA: case EXCP_LINEF: - do_sigill: info.si_signo = TARGET_SIGILL; info.si_errno = 0; info.si_code = TARGET_ILL_ILLOPN; @@ -80,7 +67,6 @@ void cpu_loop(CPUM68KState *env) case EXCP_TRAP0: { abi_long ret; - ts->sim_syscalls = 0; n = env->dregs[0]; env->pc += 2; ret = do_syscall(env, @@ -154,7 +140,6 @@ void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) env->aregs[7] = regs->usp; env->sr = regs->sr; - ts->sim_syscalls = 1; ts->stack_base = info->start_stack; ts->heap_base = info->brk; /* This will be filled in on the first SYS_HEAPINFO call. */ diff --git a/linux-user/m68k/target_syscall.h b/linux-user/m68k/target_syscall.h index 632ee4fcf8..c0366b1c62 100644 --- a/linux-user/m68k/target_syscall.h +++ b/linux-user/m68k/target_syscall.h @@ -26,6 +26,4 @@ struct target_pt_regs { #define TARGET_WANT_OLD_SYS_SELECT -void do_m68k_simcall(CPUM68KState *, int); - #endif /* M68K_TARGET_SYSCALL_H */ |