/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
blr /* And return */
-/* Mask and unmask interrupts at the processor level */
-ENTRY(interrupt_disable, TAG_NO_FRAME_USED)
- mfmsr r0
- rlwinm r0,r0,0,MSR_FP_BIT+1,MSR_FP_BIT-1 ; Force floating point off
- rlwinm r0,r0,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1 ; Force vectors off
- rlwinm r0, r0, 0, MSR_EE_BIT+1, MSR_EE_BIT-1
- mtmsr r0
- isync
- blr
-
-ENTRY(interrupt_enable, TAG_NO_FRAME_USED)
-
- mfmsr r0
- ori r0, r0, MASK(MSR_EE)
- mtmsr r0
- blr
-
-#if MACH_KDB
-/*
- * Kernel debugger versions of the spl*() functions. This allows breakpoints
- * in the spl*() functions.
- */
-
-/* Mask and unmask interrupts at the processor level */
-ENTRY(db_interrupt_disable, TAG_NO_FRAME_USED)
- mfmsr r0
- rlwinm r0,r0,0,MSR_FP_BIT+1,MSR_FP_BIT-1 ; Force floating point off
- rlwinm r0,r0,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1 ; Force vectors off
- rlwinm r0, r0, 0, MSR_EE_BIT+1, MSR_EE_BIT-1
- mtmsr r0
- isync
- blr
-
-ENTRY(db_interrupt_enable, TAG_NO_FRAME_USED)
- mfmsr r0
- ori r0, r0, MASK(MSR_EE)
- mtmsr r0
- blr
-#endif /* MACH_KDB */
-
/*
* General entry for all debuggers. This gets us onto the debug stack and
* then back off at exit. We need to pass back R3 to caller.
ENTRY(Call_Debugger, TAG_NO_FRAME_USED)
+
+ lis r8,hi16(MASK(MSR_VEC)) ; Get the vector flag
mfmsr r7 ; Get the current MSR
- rlwinm r7,r7,0,MSR_FP_BIT+1,MSR_FP_BIT-1 ; Force floating point off
- rlwinm r7,r7,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1 ; Force vectors off
+ ori r8,r8,lo16(MASK(MSR_EE)|MASK(MSR_FP)) ; Add the FP flag
mflr r0 ; Save the return
- rlwinm r7,r7,0,MSR_EE_BIT+1,MSR_EE_BIT-1 ; Turn off interruptions
+ andc r7,r7,r8 ; Clear VEC and FP
mtmsr r7 ; Do it
isync
- mfsprg r8,0 ; Get the per_proc block
+ mfsprg r8,1 ; Get the current activation
+ lwz r8,ACT_PER_PROC(r8) ; Get the per_proc block
stw r0,FM_LR_SAVE(r1) ; Save return on current stack
lwz r9,PP_DEBSTACKPTR(r8) ; Get the debug stack
bl EXT(Call_DebuggerC) ; Call the "C" phase of this
- mfmsr r0 ; Get the MSR just in case it was enabled
+ lis r8,hi16(MASK(MSR_VEC)) ; Get the vector flag
+ mfmsr r0 ; Get the current MSR
+ ori r8,r8,lo16(MASK(MSR_EE)|MASK(MSR_FP)) ; Add the FP flag
addi r1,r1,FM_SIZE ; Pop off first stack frame
- rlwinm r0,r0,0,MSR_EE_BIT+1,MSR_EE_BIT-1 ; Turn off interruptions enable bit
+ andc r0,r0,r8 ; Turn off all the interesting stuff
mtmsr r0
- mfsprg r8,0 ; Get the per_proc block address
+ mfsprg r8,1 ; Get the current activation
+ lwz r8,ACT_PER_PROC(r8) ; Get the per_proc block
lwz r9,PP_DEBSTACK_TOP_SS(r8) ; Get the top of the stack
cmplw r1,r9 ; Have we hit the bottom of the debug stack?
mtdec ARG0
blr
+ENTRY(cntlzw, TAG_NO_FRAME_USED)
+ cntlzw r3,r3
+ blr
+
/* Decrementer frequency and realtime|timebase processor registers
* are different between ppc601 and ppc603/4, we define them all.
*/
mfspr r3,sda
blr
+ .globl EXT(hid1get)
+LEXT(hid1get)
+
+ mfspr r3,hid1 ; Get the HID1
+ blr
+
+ .globl EXT(hid0get64)
+LEXT(hid0get64)
+
+ mfspr r4,hid0 ; Get the HID0
+ srdi r3,r4,32 ; Move top down
+ rlwinm r4,r4,0,0,31 ; Clean top
+ blr
+
+ .globl EXT(hid5set64)
+LEXT(hid5set64)
+
+ rlwinm r3,r3,0,1,0 ; Copy low 32 int high 32
+ rlwimi r3,r4,0,0,31 ; Inser the low part behind top
+ mtspr hid5,r3 ; Set it
+ isync ; Wait for it
+ blr
projects / apple / xnu.git / blobdiff