| trap_subr32.S (227386) | trap_subr32.S (242723) |
|---|---|
| 1/* $FreeBSD: head/sys/powerpc/aim/trap_subr32.S 227386 2011-11-09 13:48:23Z nwhitehorn $ */ | 1/* $FreeBSD: head/sys/powerpc/aim/trap_subr32.S 242723 2012-11-07 23:45:09Z jhibbits $ */ |
| 2/* $NetBSD: trap_subr.S,v 1.20 2002/04/22 23:20:08 kleink Exp $ */ 3 4/*- 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without --- 225 unchanged lines hidden (view full) --- 235 /* Make sure HV bit of MSR propagated to SRR1 */ \ 236 mfmsr %r2; \ 237 or %r3,%r2,%r3; \ 238 \ 239 mtsrr1 %r3; \ 240 mfsprg2 %r2; /* restore r2 & r3 */ \ 241 mfsprg3 %r3 242 | 2/* $NetBSD: trap_subr.S,v 1.20 2002/04/22 23:20:08 kleink Exp $ */ 3 4/*- 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without --- 225 unchanged lines hidden (view full) --- 235 /* Make sure HV bit of MSR propagated to SRR1 */ \ 236 mfmsr %r2; \ 237 or %r3,%r2,%r3; \ 238 \ 239 mtsrr1 %r3; \ 240 mfsprg2 %r2; /* restore r2 & r3 */ \ 241 mfsprg3 %r3 242 |
| 243#ifdef KDTRACE_HOOKS 244 .data 245 .globl dtrace_invop_jump_addr 246 .align 4 247 .type dtrace_invop_jump_addr, @object 248 .size dtrace_invop_jump_addr, 4 249dtrace_invop_jump_addr: 250 .word 0 251 .word 0 252 .globl dtrace_invop_calltrap_addr 253 .align 4 254 .type dtrace_invop_calltrap_addr, @object 255 .size dtrace_invop_calltrap_addr, 4 256dtrace_invop_calltrap_addr: 257 .word 0 258 .word 0 259 260 .text 261#endif 262 |
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| 243/* 244 * The next two routines are 64-bit glue code. The first is used to test if 245 * we are on a 64-bit system. By copying it to the illegal instruction 246 * handler, we can test for 64-bit mode by trying to execute a 64-bit 247 * instruction and seeing what happens. The second gets copied in front 248 * of all the other handlers to restore 32-bit bridge mode when traps 249 * are taken. 250 */ --- 643 unchanged lines hidden --- | 263/* 264 * The next two routines are 64-bit glue code. The first is used to test if 265 * we are on a 64-bit system. By copying it to the illegal instruction 266 * handler, we can test for 64-bit mode by trying to execute a 64-bit 267 * instruction and seeing what happens. The second gets copied in front 268 * of all the other handlers to restore 32-bit bridge mode when traps 269 * are taken. 270 */ --- 643 unchanged lines hidden --- |