| linux32_sysvec.c (164860) | linux32_sysvec.c (168035) |
|---|---|
| 1/*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2003 Peter Wemm 4 * Copyright (c) 2002 Doug Rabson 5 * Copyright (c) 1998-1999 Andrew Gallatin 6 * Copyright (c) 1994-1996 S�ren Schmidt 7 * All rights reserved. 8 * --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2003 Peter Wemm 4 * Copyright (c) 2002 Doug Rabson 5 * Copyright (c) 1998-1999 Andrew Gallatin 6 * Copyright (c) 1994-1996 S�ren Schmidt 7 * All rights reserved. 8 * --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/sys/amd64/linux32/linux32_sysvec.c 164860 2006-12-03 21:06:07Z netchild $"); | 34__FBSDID("$FreeBSD: head/sys/amd64/linux32/linux32_sysvec.c 168035 2007-03-30 00:06:21Z jkim $"); |
| 35#include "opt_compat.h" 36 37#ifndef COMPAT_IA32 38#error "Unable to compile Linux-emulator due to missing COMPAT_IA32 option!" 39#endif 40 41#define __ELF_WORD_SIZE 32 42 --- 360 unchanged lines hidden (view full) --- 403 linux_sznonrtsigcode; 404 regs->tf_rflags &= ~PSL_T; 405 regs->tf_cs = _ucode32sel; 406 regs->tf_ss = _udatasel; 407 load_ds(_udatasel); 408 td->td_pcb->pcb_ds = _udatasel; 409 load_es(_udatasel); 410 td->td_pcb->pcb_es = _udatasel; | 35#include "opt_compat.h" 36 37#ifndef COMPAT_IA32 38#error "Unable to compile Linux-emulator due to missing COMPAT_IA32 option!" 39#endif 40 41#define __ELF_WORD_SIZE 32 42 --- 360 unchanged lines hidden (view full) --- 403 linux_sznonrtsigcode; 404 regs->tf_rflags &= ~PSL_T; 405 regs->tf_cs = _ucode32sel; 406 regs->tf_ss = _udatasel; 407 load_ds(_udatasel); 408 td->td_pcb->pcb_ds = _udatasel; 409 load_es(_udatasel); 410 td->td_pcb->pcb_es = _udatasel; |
| 411 /* leave user %fs and %gs untouched */ |
|
| 411 PROC_LOCK(p); 412 mtx_lock(&psp->ps_mtx); 413} 414 415 416/* 417 * Send an interrupt to process. 418 * --- 104 unchanged lines hidden (view full) --- 523 regs->tf_rip = LINUX32_PS_STRINGS - *(p->p_sysent->sv_szsigcode); 524 regs->tf_rflags &= ~PSL_T; 525 regs->tf_cs = _ucode32sel; 526 regs->tf_ss = _udatasel; 527 load_ds(_udatasel); 528 td->td_pcb->pcb_ds = _udatasel; 529 load_es(_udatasel); 530 td->td_pcb->pcb_es = _udatasel; | 412 PROC_LOCK(p); 413 mtx_lock(&psp->ps_mtx); 414} 415 416 417/* 418 * Send an interrupt to process. 419 * --- 104 unchanged lines hidden (view full) --- 524 regs->tf_rip = LINUX32_PS_STRINGS - *(p->p_sysent->sv_szsigcode); 525 regs->tf_rflags &= ~PSL_T; 526 regs->tf_cs = _ucode32sel; 527 regs->tf_ss = _udatasel; 528 load_ds(_udatasel); 529 td->td_pcb->pcb_ds = _udatasel; 530 load_es(_udatasel); 531 td->td_pcb->pcb_es = _udatasel; |
| 532 /* leave user %fs and %gs untouched */ |
|
| 531 PROC_LOCK(p); 532 mtx_lock(&psp->ps_mtx); 533} 534 535/* 536 * System call to cleanup state after a signal 537 * has been taken. Reset signal mask and 538 * stack state from context left by sendsig (above). --- 269 unchanged lines hidden (view full) --- 808 struct thread *td; 809 u_long entry; 810 u_long stack; 811 u_long ps_strings; 812{ 813 struct trapframe *regs = td->td_frame; 814 struct pcb *pcb = td->td_pcb; 815 | 533 PROC_LOCK(p); 534 mtx_lock(&psp->ps_mtx); 535} 536 537/* 538 * System call to cleanup state after a signal 539 * has been taken. Reset signal mask and 540 * stack state from context left by sendsig (above). --- 269 unchanged lines hidden (view full) --- 810 struct thread *td; 811 u_long entry; 812 u_long stack; 813 u_long ps_strings; 814{ 815 struct trapframe *regs = td->td_frame; 816 struct pcb *pcb = td->td_pcb; 817 |
| 818 critical_enter(); |
|
| 816 wrmsr(MSR_FSBASE, 0); 817 wrmsr(MSR_KGSBASE, 0); /* User value while we're in the kernel */ 818 pcb->pcb_fsbase = 0; 819 pcb->pcb_gsbase = 0; | 819 wrmsr(MSR_FSBASE, 0); 820 wrmsr(MSR_KGSBASE, 0); /* User value while we're in the kernel */ 821 pcb->pcb_fsbase = 0; 822 pcb->pcb_gsbase = 0; |
| 823 critical_exit(); |
|
| 820 load_ds(_udatasel); 821 load_es(_udatasel); 822 load_fs(_udatasel); | 824 load_ds(_udatasel); 825 load_es(_udatasel); 826 load_fs(_udatasel); |
| 823 load_gs(0); | 827 load_gs(_udatasel); |
| 824 pcb->pcb_ds = _udatasel; 825 pcb->pcb_es = _udatasel; 826 pcb->pcb_fs = _udatasel; | 828 pcb->pcb_ds = _udatasel; 829 pcb->pcb_es = _udatasel; 830 pcb->pcb_fs = _udatasel; |
| 827 pcb->pcb_gs = 0; | 831 pcb->pcb_gs = _udatasel; |
| 828 829 bzero((char *)regs, sizeof(struct trapframe)); 830 regs->tf_rip = entry; 831 regs->tf_rsp = stack; 832 regs->tf_rflags = PSL_USER | (regs->tf_rflags & PSL_T); 833 regs->tf_ss = _udatasel; 834 regs->tf_cs = _ucode32sel; 835 regs->tf_rbx = ps_strings; --- 299 unchanged lines hidden --- | 832 833 bzero((char *)regs, sizeof(struct trapframe)); 834 regs->tf_rip = entry; 835 regs->tf_rsp = stack; 836 regs->tf_rflags = PSL_USER | (regs->tf_rflags & PSL_T); 837 regs->tf_ss = _udatasel; 838 regs->tf_cs = _ucode32sel; 839 regs->tf_rbx = ps_strings; --- 299 unchanged lines hidden --- |