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head/sys/amd64/ia32/ia32_exception.S
| Show First 20 Lines • Show All 47 Lines • ▼ Show 20 Lines | IDTVEC(int0x80_syscall) | ||||
| swapgs | swapgs | ||||
| int0x80_syscall_common: | int0x80_syscall_common: | ||||
| pushq $2 /* sizeof "int 0x80" */ | pushq $2 /* sizeof "int 0x80" */ | ||||
| subq $TF_ERR,%rsp /* skip over tf_trapno */ | subq $TF_ERR,%rsp /* skip over tf_trapno */ | ||||
| movq %rdi,TF_RDI(%rsp) | movq %rdi,TF_RDI(%rsp) | ||||
| movq PCPU(CURPCB),%rdi | movq PCPU(CURPCB),%rdi | ||||
| andl $~PCB_FULL_IRET,PCB_FLAGS(%rdi) | andl $~PCB_FULL_IRET,PCB_FLAGS(%rdi) | ||||
| SAVE_SEGS | SAVE_SEGS | ||||
| sti | movq %rax,TF_RAX(%rsp) | ||||
| movq %rsi,TF_RSI(%rsp) | |||||
| movq %rdx,TF_RDX(%rsp) | movq %rdx,TF_RDX(%rsp) | ||||
| movq %rcx,TF_RCX(%rsp) | movq %rcx,TF_RCX(%rsp) | ||||
| call handle_ibrs_entry | |||||
| sti | |||||
| movq %rsi,TF_RSI(%rsp) | |||||
| movq %r8,TF_R8(%rsp) | movq %r8,TF_R8(%rsp) | ||||
| movq %r9,TF_R9(%rsp) | movq %r9,TF_R9(%rsp) | ||||
| movq %rax,TF_RAX(%rsp) | |||||
| movq %rbx,TF_RBX(%rsp) | movq %rbx,TF_RBX(%rsp) | ||||
| movq %rbp,TF_RBP(%rsp) | movq %rbp,TF_RBP(%rsp) | ||||
| movq %r10,TF_R10(%rsp) | movq %r10,TF_R10(%rsp) | ||||
| movq %r11,TF_R11(%rsp) | movq %r11,TF_R11(%rsp) | ||||
| movq %r12,TF_R12(%rsp) | movq %r12,TF_R12(%rsp) | ||||
| movq %r13,TF_R13(%rsp) | movq %r13,TF_R13(%rsp) | ||||
| movq %r14,TF_R14(%rsp) | movq %r14,TF_R14(%rsp) | ||||
| movq %r15,TF_R15(%rsp) | movq %r15,TF_R15(%rsp) | ||||
| movl $TF_HASSEGS,TF_FLAGS(%rsp) | movl $TF_HASSEGS,TF_FLAGS(%rsp) | ||||
| cld | cld | ||||
| FAKE_MCOUNT(TF_RIP(%rsp)) | FAKE_MCOUNT(TF_RIP(%rsp)) | ||||
| movq %rsp, %rdi | movq %rsp, %rdi | ||||
| call ia32_syscall | call ia32_syscall | ||||
| MEXITCOUNT | MEXITCOUNT | ||||
| jmp doreti | jmp doreti | ||||