| npx.c (924) | npx.c (1321) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 William Jolitz. 3 * Copyright (c) 1991 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)npx.c 7.2 (Berkeley) 5/12/91 | 1/*- 2 * Copyright (c) 1990 William Jolitz. 3 * Copyright (c) 1991 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)npx.c 7.2 (Berkeley) 5/12/91 |
| 35 * $Id: npx.c,v 1.5 1993/11/03 23:32:35 paul Exp $ | 35 * $Id: npx.c,v 1.6 1994/01/03 07:55:43 davidg Exp $ |
| 36 */ 37 38#include "npx.h" 39#if NNPX > 0 40 41#include "param.h" 42#include "systm.h" 43#include "conf.h" --- 65 unchanged lines hidden (view full) --- 109static int npxattach __P((struct isa_device *dvp)); 110static int npxprobe __P((struct isa_device *dvp)); 111static int npxprobe1 __P((struct isa_device *dvp)); 112 113struct isa_driver npxdriver = { 114 npxprobe, npxattach, "npx", 115}; 116 | 36 */ 37 38#include "npx.h" 39#if NNPX > 0 40 41#include "param.h" 42#include "systm.h" 43#include "conf.h" --- 65 unchanged lines hidden (view full) --- 109static int npxattach __P((struct isa_device *dvp)); 110static int npxprobe __P((struct isa_device *dvp)); 111static int npxprobe1 __P((struct isa_device *dvp)); 112 113struct isa_driver npxdriver = { 114 npxprobe, npxattach, "npx", 115}; 116 |
| 117u_int npx0mask; | 117u_int npx0_imask; |
| 118struct proc *npxproc; 119 120static bool_t npx_ex16; 121static bool_t npx_exists; 122static struct gate_descriptor npx_idt_probeintr; 123static int npx_intrno; 124static volatile u_int npx_intrs_while_probing; 125static bool_t npx_irq13; --- 161 unchanged lines hidden (view full) --- 287 */ 288 return (-1); 289 } 290 if (npx_intrs_while_probing != 0) { 291 /* 292 * Bad, we are stuck with IRQ13. 293 */ 294 npx_irq13 = 1; | 118struct proc *npxproc; 119 120static bool_t npx_ex16; 121static bool_t npx_exists; 122static struct gate_descriptor npx_idt_probeintr; 123static int npx_intrno; 124static volatile u_int npx_intrs_while_probing; 125static bool_t npx_irq13; --- 161 unchanged lines hidden (view full) --- 287 */ 288 return (-1); 289 } 290 if (npx_intrs_while_probing != 0) { 291 /* 292 * Bad, we are stuck with IRQ13. 293 */ 294 npx_irq13 = 1; |
| 295 npx0mask = dvp->id_irq; /* npxattach too late */ | 295 npx0_imask = dvp->id_irq; /* npxattach too late */ |
| 296 return (IO_NPXSIZE); 297 } 298 /* 299 * Worse, even IRQ13 is broken. Use emulator. 300 */ 301 } 302 } 303 /* --- 219 unchanged lines hidden (view full) --- 523 u_char old_icu1_mask; 524 u_char old_icu2_mask; 525 struct gate_descriptor save_idt_npxintr; 526 527 disable_intr(); 528 old_icu1_mask = inb(IO_ICU1 + 1); 529 old_icu2_mask = inb(IO_ICU2 + 1); 530 save_idt_npxintr = idt[npx_intrno]; | 296 return (IO_NPXSIZE); 297 } 298 /* 299 * Worse, even IRQ13 is broken. Use emulator. 300 */ 301 } 302 } 303 /* --- 219 unchanged lines hidden (view full) --- 523 u_char old_icu1_mask; 524 u_char old_icu2_mask; 525 struct gate_descriptor save_idt_npxintr; 526 527 disable_intr(); 528 old_icu1_mask = inb(IO_ICU1 + 1); 529 old_icu2_mask = inb(IO_ICU2 + 1); 530 save_idt_npxintr = idt[npx_intrno]; |
| 531 outb(IO_ICU1 + 1, old_icu1_mask & ~(IRQ_SLAVE | npx0mask)); 532 outb(IO_ICU2 + 1, old_icu2_mask & ~(npx0mask >> 8)); | 531 outb(IO_ICU1 + 1, old_icu1_mask & ~(IRQ_SLAVE | npx0_imask)); 532 outb(IO_ICU2 + 1, old_icu2_mask & ~(npx0_imask >> 8)); |
| 533 idt[npx_intrno] = npx_idt_probeintr; 534 enable_intr(); 535 stop_emulating(); 536 fnsave(addr); 537 fwait(); 538 start_emulating(); 539 npxproc = NULL; 540 disable_intr(); 541 icu1_mask = inb(IO_ICU1 + 1); /* masks may have changed */ 542 icu2_mask = inb(IO_ICU2 + 1); 543 outb(IO_ICU1 + 1, | 533 idt[npx_intrno] = npx_idt_probeintr; 534 enable_intr(); 535 stop_emulating(); 536 fnsave(addr); 537 fwait(); 538 start_emulating(); 539 npxproc = NULL; 540 disable_intr(); 541 icu1_mask = inb(IO_ICU1 + 1); /* masks may have changed */ 542 icu2_mask = inb(IO_ICU2 + 1); 543 outb(IO_ICU1 + 1, |
| 544 (icu1_mask & ~npx0mask) | (old_icu1_mask & npx0mask)); | 544 (icu1_mask & ~npx0_imask) | (old_icu1_mask & npx0_imask)); |
| 545 outb(IO_ICU2 + 1, | 545 outb(IO_ICU2 + 1, |
| 546 (icu2_mask & ~(npx0mask >> 8)) 547 | (old_icu2_mask & (npx0mask >> 8))); | 546 (icu2_mask & ~(npx0_imask >> 8)) 547 | (old_icu2_mask & (npx0_imask >> 8))); |
| 548 idt[npx_intrno] = save_idt_npxintr; 549 enable_intr(); /* back to usual state */ 550} 551 552#endif /* NNPX > 0 */ | 548 idt[npx_intrno] = save_idt_npxintr; 549 enable_intr(); /* back to usual state */ 550} 551 552#endif /* NNPX > 0 */ |