| vm_machdep.c (190620) | vm_machdep.c (195486) |
|---|---|
| 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 --- 27 unchanged lines hidden (view full) --- 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 */ 42 43#include <sys/cdefs.h> | 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 --- 27 unchanged lines hidden (view full) --- 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 */ 42 43#include <sys/cdefs.h> |
| 44__FBSDID("$FreeBSD: head/sys/amd64/amd64/vm_machdep.c 190620 2009-04-01 13:09:26Z kib $"); | 44__FBSDID("$FreeBSD: head/sys/amd64/amd64/vm_machdep.c 195486 2009-07-09 09:34:11Z kib $"); |
| 45 46#include "opt_isa.h" 47#include "opt_cpu.h" 48#include "opt_compat.h" 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/bio.h> --- 128 unchanged lines hidden (view full) --- 181 182 /* Setup to release spin count in fork_exit(). */ 183 td2->td_md.md_spinlock_count = 1; 184 td2->td_md.md_saved_flags = PSL_KERNEL | PSL_I; 185 186 /* As an i386, do not copy io permission bitmap. */ 187 pcb2->pcb_tssp = NULL; 188 | 45 46#include "opt_isa.h" 47#include "opt_cpu.h" 48#include "opt_compat.h" 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/bio.h> --- 128 unchanged lines hidden (view full) --- 181 182 /* Setup to release spin count in fork_exit(). */ 183 td2->td_md.md_spinlock_count = 1; 184 td2->td_md.md_saved_flags = PSL_KERNEL | PSL_I; 185 186 /* As an i386, do not copy io permission bitmap. */ 187 pcb2->pcb_tssp = NULL; 188 |
| 189 /* New segment registers. */ 190 pcb2->pcb_full_iret = 1; 191 |
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| 189 /* Copy the LDT, if necessary. */ 190 mdp1 = &td1->td_proc->p_md; 191 mdp2 = &p2->p_md; 192 mtx_lock(&dt_lock); 193 if (mdp1->md_ldt != NULL) { 194 if (flags & RFMEM) { 195 mdp1->md_ldt->ldt_refcnt++; 196 mdp2->md_ldt = mdp1->md_ldt; --- 134 unchanged lines hidden (view full) --- 331 332 /* 333 * Copy the upcall pcb. This loads kernel regs. 334 * Those not loaded individually below get their default 335 * values here. 336 */ 337 bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); 338 pcb2->pcb_flags &= ~PCB_FPUINITDONE; | 192 /* Copy the LDT, if necessary. */ 193 mdp1 = &td1->td_proc->p_md; 194 mdp2 = &p2->p_md; 195 mtx_lock(&dt_lock); 196 if (mdp1->md_ldt != NULL) { 197 if (flags & RFMEM) { 198 mdp1->md_ldt->ldt_refcnt++; 199 mdp2->md_ldt = mdp1->md_ldt; --- 134 unchanged lines hidden (view full) --- 334 335 /* 336 * Copy the upcall pcb. This loads kernel regs. 337 * Those not loaded individually below get their default 338 * values here. 339 */ 340 bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); 341 pcb2->pcb_flags &= ~PCB_FPUINITDONE; |
| 342 pcb2->pcb_full_iret = 1; |
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| 339 340 /* 341 * Create a new fresh stack for the new thread. 342 */ 343 bcopy(td0->td_frame, td->td_frame, sizeof(struct trapframe)); 344 345 /* If the current thread has the trap bit set (i.e. a debugger had 346 * single stepped the process to the system call), we need to clear --- 98 unchanged lines hidden (view full) --- 445 446#ifdef COMPAT_IA32 447 if (td->td_proc->p_sysent->sv_flags & SV_ILP32) { 448 td->td_pcb->pcb_gsbase = (register_t)tls_base; 449 return (0); 450 } 451#endif 452 td->td_pcb->pcb_fsbase = (register_t)tls_base; | 343 344 /* 345 * Create a new fresh stack for the new thread. 346 */ 347 bcopy(td0->td_frame, td->td_frame, sizeof(struct trapframe)); 348 349 /* If the current thread has the trap bit set (i.e. a debugger had 350 * single stepped the process to the system call), we need to clear --- 98 unchanged lines hidden (view full) --- 449 450#ifdef COMPAT_IA32 451 if (td->td_proc->p_sysent->sv_flags & SV_ILP32) { 452 td->td_pcb->pcb_gsbase = (register_t)tls_base; 453 return (0); 454 } 455#endif 456 td->td_pcb->pcb_fsbase = (register_t)tls_base; |
| 457 td->td_pcb->pcb_full_iret = 1; |
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| 453 return (0); 454} 455 456#ifdef SMP 457static void 458cpu_reset_proxy() 459{ 460 --- 166 unchanged lines hidden --- | 458 return (0); 459} 460 461#ifdef SMP 462static void 463cpu_reset_proxy() 464{ 465 --- 166 unchanged lines hidden --- |