[PULL 02/16] bsd-user/x86_64/target_arch_cpu.h: int $80 never was a BSD system call on amd64

[Warner Losh]

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>
---
 bsd-user/x86_64/target_arch_cpu.h | 58 -------------------------------
 1 file changed, 58 deletions(-)

diff --git a/bsd-user/x86_64/target_arch_cpu.h 
b/bsd-user/x86_64/target_arch_cpu.h
index 0a9c0f08946..9dc52d5afc4 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) {
-- 
2.33.1