diff options
Diffstat (limited to 'sys/amd64/ia32/ia32_exception.S')
| -rw-r--r-- | sys/amd64/ia32/ia32_exception.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/amd64/ia32/ia32_exception.S b/sys/amd64/ia32/ia32_exception.S index fe1a676a14ec..e03936a190be 100644 --- a/sys/amd64/ia32/ia32_exception.S +++ b/sys/amd64/ia32/ia32_exception.S @@ -40,17 +40,19 @@ * that it originated in supervisor mode and skip the swapgs. */ SUPERALIGN_TEXT +IDTVEC(int0x80_syscall_pti) + PTI_UENTRY has_err=0 + jmp int0x80_syscall_common + SUPERALIGN_TEXT IDTVEC(int0x80_syscall) swapgs +int0x80_syscall_common: pushq $2 /* sizeof "int 0x80" */ subq $TF_ERR,%rsp /* skip over tf_trapno */ movq %rdi,TF_RDI(%rsp) movq PCPU(CURPCB),%rdi andl $~PCB_FULL_IRET,PCB_FLAGS(%rdi) - movw %fs,TF_FS(%rsp) - movw %gs,TF_GS(%rsp) - movw %es,TF_ES(%rsp) - movw %ds,TF_DS(%rsp) + SAVE_SEGS sti movq %rsi,TF_RSI(%rsp) movq %rdx,TF_RDX(%rsp) |