| vm_machdep.c (112569) | vm_machdep.c (112841) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986 The Regents of the University of California. 3 * Copyright (c) 1989, 1990 William Jolitz 4 * Copyright (c) 1994 John Dyson 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer --- 24 unchanged lines hidden (view full) --- 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 40 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ | 1/*- 2 * Copyright (c) 1982, 1986 The Regents of the University of California. 3 * Copyright (c) 1989, 1990 William Jolitz 4 * Copyright (c) 1994 John Dyson 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer --- 24 unchanged lines hidden (view full) --- 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 40 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ |
| 41 * $FreeBSD: head/sys/i386/i386/vm_machdep.c 112569 2003-03-25 00:07:06Z jake $ | 41 * $FreeBSD: head/sys/i386/i386/vm_machdep.c 112841 2003-03-30 05:24:52Z jake $ |
| 42 */ 43 44#include "opt_npx.h" 45#ifdef PC98 46#include "opt_pc98.h" 47#endif 48#include "opt_reset.h" 49#include "opt_isa.h" --- 115 unchanged lines hidden (view full) --- 165 td2->td_frame->tf_eax = 0; /* Child returns zero */ 166 td2->td_frame->tf_eflags &= ~PSL_C; /* success */ 167 td2->td_frame->tf_edx = 1; 168 169 /* 170 * Set registers for trampoline to user mode. Leave space for the 171 * return address on stack. These are the kernel mode register values. 172 */ | 42 */ 43 44#include "opt_npx.h" 45#ifdef PC98 46#include "opt_pc98.h" 47#endif 48#include "opt_reset.h" 49#include "opt_isa.h" --- 115 unchanged lines hidden (view full) --- 165 td2->td_frame->tf_eax = 0; /* Child returns zero */ 166 td2->td_frame->tf_eflags &= ~PSL_C; /* success */ 167 td2->td_frame->tf_edx = 1; 168 169 /* 170 * Set registers for trampoline to user mode. Leave space for the 171 * return address on stack. These are the kernel mode register values. 172 */ |
| 173#ifdef PAE 174 pcb2->pcb_cr3 = vtophys(vmspace_pmap(p2->p_vmspace)->pm_pdpt); 175#else |
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| 173 pcb2->pcb_cr3 = vtophys(vmspace_pmap(p2->p_vmspace)->pm_pdir); | 176 pcb2->pcb_cr3 = vtophys(vmspace_pmap(p2->p_vmspace)->pm_pdir); |
| 177#endif |
|
| 174 pcb2->pcb_edi = 0; 175 pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */ 176 pcb2->pcb_ebp = 0; 177 pcb2->pcb_esp = (int)td2->td_frame - sizeof(void *); 178 pcb2->pcb_ebx = (int)td2; /* fork_trampoline argument */ 179 pcb2->pcb_eip = (int)fork_trampoline; 180 pcb2->pcb_psl = td2->td_frame->tf_eflags & ~PSL_I; /* ints disabled */ 181 /*- --- 155 unchanged lines hidden (view full) --- 337 * upcall as only then do we know which KSE we got. 338 */ 339 td->td_frame = (struct trapframe *)((caddr_t)pcb2 - 16) - 1; 340 341 /* 342 * Set registers for trampoline to user mode. Leave space for the 343 * return address on stack. These are the kernel mode register values. 344 */ | 178 pcb2->pcb_edi = 0; 179 pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */ 180 pcb2->pcb_ebp = 0; 181 pcb2->pcb_esp = (int)td2->td_frame - sizeof(void *); 182 pcb2->pcb_ebx = (int)td2; /* fork_trampoline argument */ 183 pcb2->pcb_eip = (int)fork_trampoline; 184 pcb2->pcb_psl = td2->td_frame->tf_eflags & ~PSL_I; /* ints disabled */ 185 /*- --- 155 unchanged lines hidden (view full) --- 341 * upcall as only then do we know which KSE we got. 342 */ 343 td->td_frame = (struct trapframe *)((caddr_t)pcb2 - 16) - 1; 344 345 /* 346 * Set registers for trampoline to user mode. Leave space for the 347 * return address on stack. These are the kernel mode register values. 348 */ |
| 349#ifdef PAE 350 pcb2->pcb_cr3 = vtophys(vmspace_pmap(td->td_proc->p_vmspace)->pm_pdpt); 351#else |
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| 345 pcb2->pcb_cr3 = vtophys(vmspace_pmap(td->td_proc->p_vmspace)->pm_pdir); | 352 pcb2->pcb_cr3 = vtophys(vmspace_pmap(td->td_proc->p_vmspace)->pm_pdir); |
| 353#endif |
|
| 346 pcb2->pcb_edi = 0; 347 pcb2->pcb_esi = (int)fork_return; /* trampoline arg */ 348 pcb2->pcb_ebp = 0; 349 pcb2->pcb_esp = (int)td->td_frame - sizeof(void *); /* trampoline arg */ 350 pcb2->pcb_ebx = (int)td; /* trampoline arg */ 351 pcb2->pcb_eip = (int)fork_trampoline; 352 pcb2->pcb_psl &= ~(PSL_I); /* interrupts must be disabled */ 353 /* --- 206 unchanged lines hidden --- | 354 pcb2->pcb_edi = 0; 355 pcb2->pcb_esi = (int)fork_return; /* trampoline arg */ 356 pcb2->pcb_ebp = 0; 357 pcb2->pcb_esp = (int)td->td_frame - sizeof(void *); /* trampoline arg */ 358 pcb2->pcb_ebx = (int)td; /* trampoline arg */ 359 pcb2->pcb_eip = (int)fork_trampoline; 360 pcb2->pcb_psl &= ~(PSL_I); /* interrupts must be disabled */ 361 /* --- 206 unchanged lines hidden --- |