diff options
Diffstat (limited to 'xen/arch/x86/x86_64/entry.S')
| -rw-r--r-- | xen/arch/x86/x86_64/entry.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/xen/arch/x86/x86_64/entry.S b/xen/arch/x86/x86_64/entry.S index f42630f2dc..9e9db33106 100644 --- a/xen/arch/x86/x86_64/entry.S +++ b/xen/arch/x86/x86_64/entry.S @@ -309,12 +309,14 @@ sysenter_eflags_saved: movb %cl,TRAPBOUNCE_flags(%rdx) testb $1,DOMAIN_is_32bit_pv(%rdi) jnz compat_sysenter - call create_bounce_frame - jmp test_all_events + jmp .Lbounce_exception 2: movl %eax,TRAPBOUNCE_error_code(%rdx) movq VCPU_gp_fault_addr(%rbx),%rax - movb $(TBF_EXCEPTION|TBF_EXCEPTION_ERRCODE|TBF_INTERRUPT),%cl movl $TRAP_gp_fault,UREGS_entry_vector(%rsp) + subq $2,UREGS_rip(%rsp) + testb $4,VCPU_gp_fault_flags(%rbx) + setnz %cl + leal TBF_EXCEPTION|TBF_EXCEPTION_ERRCODE(,%rcx,TBF_INTERRUPT),%ecx jmp 1b ENTRY(int80_direct_trap) @@ -501,6 +503,7 @@ handle_exception_saved: jnz compat_post_handle_exception testb $TBF_EXCEPTION,TRAPBOUNCE_flags(%rdx) jz test_all_events +.Lbounce_exception: call create_bounce_frame movb $0,TRAPBOUNCE_flags(%rdx) jmp test_all_events |