rwindow.c (82906) | rwindow.c (83366) |
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1/*- 2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 12 unchanged lines hidden (view full) --- 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from: BSDI: trap.c,v 1.17.2.9 1999/10/19 15:29:52 cp Exp | 1/*- 2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 12 unchanged lines hidden (view full) --- 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from: BSDI: trap.c,v 1.17.2.9 1999/10/19 15:29:52 cp Exp |
29 * $FreeBSD: head/sys/sparc64/sparc64/rwindow.c 82906 2001-09-03 23:10:45Z jake $ | 29 * $FreeBSD: head/sys/sparc64/sparc64/rwindow.c 83366 2001-09-12 08:38:13Z julian $ |
30 */ 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/ktr.h> 35#include <sys/proc.h> 36#include <sys/user.h> 37 38#include <machine/frame.h> 39 40int | 30 */ 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/ktr.h> 35#include <sys/proc.h> 36#include <sys/user.h> 37 38#include <machine/frame.h> 39 40int |
41rwindow_load(struct proc *p, struct trapframe *tf, int n) | 41rwindow_load(struct thread *td, struct trapframe *tf, int n) |
42{ 43 struct rwindow rw; 44 u_long usp; 45 int error; 46 int i; 47 48 /* 49 * In case current window is still only on-chip, push it out; 50 * if it cannot get all the way out, we cannot continue either. 51 */ | 42{ 43 struct rwindow rw; 44 u_long usp; 45 int error; 46 int i; 47 48 /* 49 * In case current window is still only on-chip, push it out; 50 * if it cannot get all the way out, we cannot continue either. 51 */ |
52 if ((error = rwindow_save(p)) != 0) | 52 if ((error = rwindow_save(td)) != 0) |
53 return (error); 54 usp = tf->tf_out[6]; | 53 return (error); 54 usp = tf->tf_out[6]; |
55 CTR3(KTR_TRAP, "rwindow_load: p=%p (%s) n=%d", 56 p, p->p_comm, n); | 55 CTR3(KTR_TRAP, "rwindow_load: td=%p (%s) n=%d", 56 td, td->td_proc->p_comm, n); |
57 for (i = 0; i < n; i++) { 58 CTR1(KTR_TRAP, "rwindow_load: usp=%#lx", usp); 59 usp += SPOFF; 60 error = copyin((void *)usp, &rw, sizeof rw); 61 usp = rw.rw_in[6]; 62 } 63 CTR1(KTR_TRAP, "rwindow_load: error=%d", error); 64 return (error); 65} 66 67int | 57 for (i = 0; i < n; i++) { 58 CTR1(KTR_TRAP, "rwindow_load: usp=%#lx", usp); 59 usp += SPOFF; 60 error = copyin((void *)usp, &rw, sizeof rw); 61 usp = rw.rw_in[6]; 62 } 63 CTR1(KTR_TRAP, "rwindow_load: error=%d", error); 64 return (error); 65} 66 67int |
68rwindow_save(struct proc *p) | 68rwindow_save(struct thread *td) |
69{ 70 struct rwindow *rw; 71 struct pcb *pcb; 72 u_long *ausp; 73 u_long usp; 74 int error; 75 int i; 76 77 flushw(); | 69{ 70 struct rwindow *rw; 71 struct pcb *pcb; 72 u_long *ausp; 73 u_long usp; 74 int error; 75 int i; 76 77 flushw(); |
78 pcb = &p->p_addr->u_pcb; | 78 pcb = td->td_pcb; |
79 i = pcb->pcb_nsaved; | 79 i = pcb->pcb_nsaved; |
80 CTR3(KTR_TRAP, "rwindow_save: p=%p (%s) nsaved=%d", p, p->p_comm, i); | 80 CTR3(KTR_TRAP, "rwindow_save: td=%p (%s) nsaved=%d", td, 81 td->td_proc->p_comm, i); |
81 if (i == 0) 82 return (0); 83 ausp = pcb->pcb_rwsp; 84 rw = pcb->pcb_rw; 85 error = 0; 86 do { 87 usp = *ausp; 88 CTR1(KTR_TRAP, "rwindow_save: usp=%#lx", usp); --- 12 unchanged lines hidden --- | 82 if (i == 0) 83 return (0); 84 ausp = pcb->pcb_rwsp; 85 rw = pcb->pcb_rw; 86 error = 0; 87 do { 88 usp = *ausp; 89 CTR1(KTR_TRAP, "rwindow_save: usp=%#lx", usp); --- 12 unchanged lines hidden --- |