diff options
Diffstat (limited to 'sys/amd64/ia32/ia32_exception.S')
| -rw-r--r-- | sys/amd64/ia32/ia32_exception.S | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/amd64/ia32/ia32_exception.S b/sys/amd64/ia32/ia32_exception.S index 76c5d5a..341f00e 100644 --- a/sys/amd64/ia32/ia32_exception.S +++ b/sys/amd64/ia32/ia32_exception.S @@ -42,10 +42,16 @@ SUPERALIGN_TEXT IDTVEC(int0x80_syscall) swapgs - sti pushq $2 /* sizeof "int 0x80" */ subq $TF_ERR,%rsp /* skip over tf_trapno */ movq %rdi,TF_RDI(%rsp) + movq PCPU(CURPCB),%rdi + movb $0,PCB_FULL_IRET(%rdi) + movw %fs,TF_FS(%rsp) + movw %gs,TF_GS(%rsp) + movw %es,TF_ES(%rsp) + movw %ds,TF_DS(%rsp) + sti movq %rsi,TF_RSI(%rsp) movq %rdx,TF_RDX(%rsp) movq %rcx,TF_RCX(%rsp) @@ -60,10 +66,6 @@ IDTVEC(int0x80_syscall) movq %r13,TF_R13(%rsp) movq %r14,TF_R14(%rsp) movq %r15,TF_R15(%rsp) - movw %fs,TF_FS(%rsp) - movw %gs,TF_GS(%rsp) - movw %es,TF_ES(%rsp) - movw %ds,TF_DS(%rsp) movl $TF_HASSEGS,TF_FLAGS(%rsp) FAKE_MCOUNT(TF_RIP(%rsp)) movq %rsp, %rdi |
