/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple 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@
#endif /* DEBUG */
mr r30,r4
- lwz r3,SAVtime+4(r4)
- addi r4,r13,SYSTEM_TIMER
- bl EXT(timer_event)
+ lwz r3,SAVtime(r4)
+ lwz r4,SAVtime+4(r4)
+ addi r5,r13,SYSTEM_TIMER
+ bl EXT(thread_timer_event)
+ addi r5,r25,SYSTEM_STATE
+ bl EXT(state_event)
+
+ lwz r7,ACT_TASK(r13)
+ lwz r8,TASK_VTIMERS(r7)
+ cmpwi r8,0
+ beq++ 0f
+
+ lwz r7,ACT_PER_PROC(r13)
+ li r4,AST_BSD
+ lwz r8,PP_PENDING_AST(r7)
+ or r8,r8,r4
+ stw r8,PP_PENDING_AST(r7)
+ addi r3,r13,ACT_AST
+ bl EXT(hw_atomic_or)
+0:
/* call trap handler proper, with
* ARG0 = type
stw r0,ACT_MACT_KSP(r13) ; Mark stack as busy with 0 val
stw r15,FM_BACKPTR(r1) ; Link stack frame backwards
- lwz r3,SAVtime+4(r30)
- addi r4,r13,SYSTEM_TIMER
- bl EXT(timer_event)
+ lwz r3,SAVtime(r30)
+ lwz r4,SAVtime+4(r30)
+ addi r5,r13,SYSTEM_TIMER
+ bl EXT(thread_timer_event)
+ addi r5,r25,SYSTEM_STATE
+ bl EXT(state_event)
+
+ lwz r7,ACT_TASK(r13)
+ lwz r8,TASK_VTIMERS(r7)
+ cmpwi r8,0
+ beq++ 0f
+
+ lwz r7,ACT_PER_PROC(r13)
+ li r4,AST_BSD
+ lwz r8,PP_PENDING_AST(r7)
+ or r8,r8,r4
+ stw r8,PP_PENDING_AST(r7)
+ addi r3,r13,ACT_AST
+ bl EXT(hw_atomic_or)
+0:
#if DEBUG
/* If debugging, we need two frames, the first being a dummy
ori r8,r8,lo16(EXT(kdebug_enable)) ; Get bottom of kdebug_enable
lwz r8,0(r8) ; Get kdebug_enable
- lwz r7,TASK_SYSCALLS_MACH(r10) ; Get the current count
- neg r31,r0 ; Make this positive
- mr r3,r31 ; save it
- slwi r27,r3,4 ; multiply by 16
- slwi r3,r3,2 ; and the original by 4
+ lwz r7,TASK_SYSCALLS_MACH(r10) ; Get the current count
+ neg r31,r0 ; Make this positive
+ mr r3,r31 ; save it
+ slwi r27,r3,4 ; multiply by 16
+ slwi r3,r3,2 ; and the original by 4
ori r28,r28,lo16(EXT(mach_trap_table)) ; Get address of table
add r27,r27,r3 ; for a total of 20x (5 words/entry)
addi r7,r7,1 ; Bump TASK_SYSCALLS_MACH count
.L_kernel_syscall_munge:
cmplwi r0,0 ; test for null munger
mtctr r0 ; Set the function call address
- addi r3,r30,saver3 ; Pointer to args from save area
- addi r4,r1,FM_ARG0+ARG_SIZE ; Pointer for munged args
- beq-- .L_kernel_syscall_trapcall ; null munger - skip to trap call
- bctrl ; Call the munge function
+ addi r3,r30,saver3 ; Pointer to args from save area
+ addi r4,r1,FM_ARG0+ARG_SIZE ; Pointer for munged args
+ beq-- .L_kernel_syscall_trapcall ; null munger - skip to trap call
+ bctrl ; Call the munge function
.L_kernel_syscall_trapcall:
lwz r0,MACH_TRAP_FUNCTION(r31) ; Pick up the function address
mr r31,r3
mr r30,r4
- lwz r3,SAVtime+4(r4)
- addi r4,r13,SYSTEM_TIMER
- bl EXT(timer_event)
+ lwz r3,SAVtime(r4)
+ lwz r4,SAVtime+4(r4)
+ addi r5,r25,PP_PROCESSOR
+ lwz r5,KERNEL_TIMER(r5)
+ bl EXT(thread_timer_event)
+ addi r6,r25,PP_PROCESSOR
+ lwz r5,CURRENT_STATE(r6)
+ addi r7,r6,USER_STATE
+ cmplw r5,r7
+ bne 0f
+ addi r5,r6,SYSTEM_STATE
+ bl EXT(state_event)
+0:
+
+ lwz r7,ACT_TASK(r13)
+ lwz r8,TASK_VTIMERS(r7)
+ cmpwi r8,0
+ beq++ 0f
+
+ lwz r7,ACT_PER_PROC(r13)
+ li r4,AST_BSD
+ lwz r8,PP_PENDING_AST(r7)
+ or r8,r8,r4
+ stw r8,PP_PENDING_AST(r7)
+ addi r3,r13,ACT_AST
+ bl EXT(hw_atomic_or)
+0:
mr r3,r31
mr r4,r30
lwz r5,savedsisr(r30) ; Get the DSISR
lwz r6,savedar+4(r30) ; Get the DAR
-
+
#if FPFLOOD
stfd f31,emfp31(r25) ; (TEST/DEBUG)
#endif
bl EXT(interrupt)
-
-/* interrupt() returns a pointer to the saved state in r3
- *
- * Ok, back from C. Disable interrupts while we restore things
- */
- .globl EXT(ihandler_ret)
-
-LEXT(ihandler_ret) ; Marks our return point from debugger entry
+/* interrupt() returns a pointer to the saved state in r3 */
lis r10,hi16(MASK(MSR_VEC)) ; Get the vector enable
mfmsr r0 ; Get our MSR
mtdec r13 ; Set our value
-chkifuser: addi r4,r28,SYSTEM_TIMER
- mftb r3
+chkifuser: bl EXT(mach_absolute_time)
+ lwz r5,ACT_PER_PROC(r28)
+ addi r6,r5,PP_PROCESSOR
+ lwz r5,KERNEL_TIMER(r6)
+ lwz r29,CURRENT_STATE(r6)
beq-- cr7,chkifuser1 ; Skip this if we are going to kernel...
stw r18,umwSpace(r28) ; Half-invalidate to force MapUserAddressWindow to reload SRs
- addi r4,r28,USER_TIMER
+ addi r5,r28,USER_TIMER
+ addi r29,r6,USER_STATE
-chkifuser1: bl EXT(timer_event)
+chkifuser1: bl EXT(thread_timer_event)
+ mr r5,r29
+ bl EXT(state_event)
chkenax:
projects / apple / xnu.git / blobdiff