diff options
| -rw-r--r-- | sys/amd64/amd64/exception.S | 24 | ||||
| -rw-r--r-- | sys/i386/i386/exception.s | 1 |
2 files changed, 25 insertions, 0 deletions
diff --git a/sys/amd64/amd64/exception.S b/sys/amd64/amd64/exception.S index 89ad638..8fa5202 100644 --- a/sys/amd64/amd64/exception.S +++ b/sys/amd64/amd64/exception.S @@ -818,6 +818,10 @@ doreti_iret_fault: .globl ds_load_fault ds_load_fault: movl $T_PROTFLT,TF_TRAPNO(%rsp) + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movq %rsp,%rdi call trap movw $KUDSEL,TF_DS(%rsp) @@ -827,6 +831,10 @@ ds_load_fault: .globl es_load_fault es_load_fault: movl $T_PROTFLT,TF_TRAPNO(%rsp) + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movq %rsp,%rdi call trap movw $KUDSEL,TF_ES(%rsp) @@ -835,6 +843,10 @@ es_load_fault: ALIGN_TEXT .globl fs_load_fault fs_load_fault: + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movl $T_PROTFLT,TF_TRAPNO(%rsp) movq %rsp,%rdi call trap @@ -846,6 +858,10 @@ fs_load_fault: gs_load_fault: popfq movl $T_PROTFLT,TF_TRAPNO(%rsp) + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movq %rsp,%rdi call trap movw $KUG32SEL,TF_GS(%rsp) @@ -855,6 +871,10 @@ gs_load_fault: .globl fsbase_load_fault fsbase_load_fault: movl $T_PROTFLT,TF_TRAPNO(%rsp) + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movq %rsp,%rdi call trap movq PCPU(CURTHREAD),%r8 @@ -866,6 +886,10 @@ fsbase_load_fault: .globl gsbase_load_fault gsbase_load_fault: movl $T_PROTFLT,TF_TRAPNO(%rsp) + testl $PSL_I,TF_RFLAGS(%rsp) + jz 1f + sti +1: movq %rsp,%rdi call trap movq PCPU(CURTHREAD),%r8 diff --git a/sys/i386/i386/exception.s b/sys/i386/i386/exception.s index e969d32..6d4c17b 100644 --- a/sys/i386/i386/exception.s +++ b/sys/i386/i386/exception.s @@ -422,6 +422,7 @@ doreti_popl_es_fault: pushl %fs .globl doreti_popl_fs_fault doreti_popl_fs_fault: + sti movl $0,TF_ERR(%esp) /* XXX should be the error code */ movl $T_PROTFLT,TF_TRAPNO(%esp) jmp alltraps_with_regs_pushed |
