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| author | Warner Losh <imp@bsdimp.com> | 2022-01-29 19:23:12 -0700 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2022-02-26 10:01:37 -0700 |
| commit | 872b349f61c6262206595036cfd1f5ad5877d081 (patch) | |
| tree | 7c09a05f7b6a5f69ba9f5516fdeb9d725e109a5b /bsd-user | |
| parent | d19401825d17e484a9cbddf90902c99c9c75cf35 (diff) | |
| download | qemu-872b349f61c6262206595036cfd1f5ad5877d081.zip qemu-872b349f61c6262206595036cfd1f5ad5877d081.tar.gz qemu-872b349f61c6262206595036cfd1f5ad5877d081.tar.bz2 | |
bsd-user/x86_64/target_arch_cpu.h: int $80 never was a BSD system call on amd64
Although initial versions of NetBSD did use int $80, it was replaced by
syscall before any releases. OpenBSD and FreeBSD always did syscall.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user')
| -rw-r--r-- | bsd-user/x86_64/target_arch_cpu.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/bsd-user/x86_64/target_arch_cpu.h b/bsd-user/x86_64/target_arch_cpu.h index 0a9c0f0..9dc52d5 100644 --- a/bsd-user/x86_64/target_arch_cpu.h +++ b/bsd-user/x86_64/target_arch_cpu.h @@ -124,64 +124,6 @@ static inline void target_cpu_loop(CPUX86State *env) process_queued_cpu_work(cs); switch (trapnr) { - case 0x80: - /* syscall from int $0x80 */ - if (bsd_type == target_freebsd) { - abi_ulong params = (abi_ulong) env->regs[R_ESP] + - sizeof(int32_t); - int32_t syscall_nr = env->regs[R_EAX]; - int32_t arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8; - - if (syscall_nr == TARGET_FREEBSD_NR_syscall) { - get_user_s32(syscall_nr, params); - params += sizeof(int32_t); - } else if (syscall_nr == TARGET_FREEBSD_NR___syscall) { - get_user_s32(syscall_nr, params); - params += sizeof(int64_t); - } - get_user_s32(arg1, params); - params += sizeof(int32_t); - get_user_s32(arg2, params); - params += sizeof(int32_t); - get_user_s32(arg3, params); - params += sizeof(int32_t); - get_user_s32(arg4, params); - params += sizeof(int32_t); - get_user_s32(arg5, params); - params += sizeof(int32_t); - get_user_s32(arg6, params); - params += sizeof(int32_t); - get_user_s32(arg7, params); - params += sizeof(int32_t); - get_user_s32(arg8, params); - env->regs[R_EAX] = do_freebsd_syscall(env, - syscall_nr, - arg1, - arg2, - arg3, - arg4, - arg5, - arg6, - arg7, - arg8); - } else { /* if (bsd_type == target_openbsd) */ - env->regs[R_EAX] = do_openbsd_syscall(env, - env->regs[R_EAX], - env->regs[R_EBX], - env->regs[R_ECX], - env->regs[R_EDX], - env->regs[R_ESI], - env->regs[R_EDI], - env->regs[R_EBP]); - } - if (((abi_ulong)env->regs[R_EAX]) >= (abi_ulong)(-515)) { - env->regs[R_EAX] = -env->regs[R_EAX]; - env->eflags |= CC_C; - } else { - env->eflags &= ~CC_C; - } - break; - case EXCP_SYSCALL: /* syscall from syscall instruction */ if (bsd_type == target_freebsd) { |