Author: jhibbits
Date: Mon Jul  6 05:08:57 2015
New Revision: 285195
URL: https://svnweb.freebsd.org/changeset/base/285195

Log:
  Merge booke and aim interrupt.c files.
  
  Summary:
  Both booke and AIM interrupt.c files contain nearly identical code.  This 
merges
  the two files, to reduce duplication.
  
  Reviewers: #powerpc, marcel
  
  Reviewed By: marcel
  
  Subscribers: imp
  
  Differential Revision: https://reviews.freebsd.org/D2991

Added:
  head/sys/powerpc/powerpc/interrupt.c
     - copied unchanged from r284893, head/sys/powerpc/aim/interrupt.c
Deleted:
  head/sys/powerpc/aim/interrupt.c
  head/sys/powerpc/booke/interrupt.c
Modified:
  head/sys/conf/files.powerpc
  head/sys/powerpc/booke/trap_subr.S

Modified: head/sys/conf/files.powerpc
==============================================================================
--- head/sys/conf/files.powerpc Mon Jul  6 04:31:24 2015        (r285194)
+++ head/sys/conf/files.powerpc Mon Jul  6 05:08:57 2015        (r285195)
@@ -99,7 +99,6 @@ libkern/qdivrem.c             optional        powerpc
 libkern/ucmpdi2.c              optional        powerpc
 libkern/udivdi3.c              optional        powerpc
 libkern/umoddi3.c              optional        powerpc
-powerpc/aim/interrupt.c                optional        aim
 powerpc/aim/locore.S           optional        aim no-obj
 powerpc/aim/aim_machdep.c      optional        aim
 powerpc/aim/mmu_oea.c          optional        aim powerpc
@@ -108,7 +107,6 @@ powerpc/aim/moea64_if.m             optional        aim
 powerpc/aim/moea64_native.c    optional        aim
 powerpc/aim/mp_cpudep.c                optional        aim
 powerpc/aim/slb.c              optional        aim powerpc64
-powerpc/booke/interrupt.c      optional        booke
 powerpc/booke/locore.S         optional        booke no-obj
 powerpc/booke/booke_machdep.c  optional        booke
 powerpc/booke/machdep_e500.c   optional        booke_e500
@@ -197,6 +195,7 @@ powerpc/powerpc/fpu.c               standard
 powerpc/powerpc/fuswintr.c     standard
 powerpc/powerpc/gdb_machdep.c  optional        gdb
 powerpc/powerpc/in_cksum.c     optional        inet | inet6
+powerpc/powerpc/interrupt.c    standard
 powerpc/powerpc/intr_machdep.c standard
 powerpc/powerpc/iommu_if.m     standard
 powerpc/powerpc/machdep.c      standard

Modified: head/sys/powerpc/booke/trap_subr.S
==============================================================================
--- head/sys/powerpc/booke/trap_subr.S  Mon Jul  6 04:31:24 2015        
(r285194)
+++ head/sys/powerpc/booke/trap_subr.S  Mon Jul  6 05:08:57 2015        
(r285195)
@@ -401,7 +401,7 @@ INTERRUPT(int_critical_input)
        STANDARD_PROLOG(SPR_SPRG2, PC_BOOKE_CRITSAVE, SPR_CSRR0, SPR_CSRR1)
        FRAME_SETUP(SPR_SPRG2, PC_BOOKE_CRITSAVE, EXC_CRIT)
        addi    %r3, %r1, 8
-       bl      CNAME(powerpc_crit_interrupt)
+       bl      CNAME(powerpc_interrupt)
        FRAME_LEAVE(SPR_CSRR0, SPR_CSRR1)
        rfci
 
@@ -413,7 +413,7 @@ INTERRUPT(int_machine_check)
        STANDARD_PROLOG(SPR_SPRG3, PC_BOOKE_MCHKSAVE, SPR_MCSRR0, SPR_MCSRR1)
        FRAME_SETUP(SPR_SPRG3, PC_BOOKE_MCHKSAVE, EXC_MCHK)
        addi    %r3, %r1, 8
-       bl      CNAME(powerpc_mchk_interrupt)
+       bl      CNAME(powerpc_interrupt)
        FRAME_LEAVE(SPR_MCSRR0, SPR_MCSRR1)
        rfmci
 
@@ -443,8 +443,8 @@ INTERRUPT(int_external_input)
        STANDARD_PROLOG(SPR_SPRG1, PC_TEMPSAVE, SPR_SRR0, SPR_SRR1)
        FRAME_SETUP(SPR_SPRG1, PC_TEMPSAVE, EXC_EXI)
        addi    %r3, %r1, 8
-       bl      CNAME(powerpc_extr_interrupt)
-       b       trapexit
+       bl      CNAME(powerpc_interrupt)
+       b       clear_we
 
 
 INTERRUPT(int_alignment)
@@ -475,8 +475,8 @@ INTERRUPT(int_decrementer)
        STANDARD_PROLOG(SPR_SPRG1, PC_TEMPSAVE, SPR_SRR0, SPR_SRR1)
        FRAME_SETUP(SPR_SPRG1, PC_TEMPSAVE, EXC_DECR)
        addi    %r3, %r1, 8
-       bl      CNAME(powerpc_decr_interrupt)
-       b       trapexit
+       bl      CNAME(powerpc_interrupt)
+       b       clear_we
 
 
 /*****************************************************************************
@@ -505,7 +505,7 @@ INTERRUPT(int_performance_counter)
        STANDARD_PROLOG(SPR_SPRG3, PC_TEMPSAVE, SPR_SRR0, SPR_SRR1)
        FRAME_SETUP(SPR_SPRG3, PC_TEMPSAVE, EXC_PERF)
        addi    %r3, %r1, 8
-       bl      CNAME(powerpc_pmc_interrupt)
+       bl      CNAME(powerpc_interrupt)
        b       trapexit
 #endif
 
@@ -879,6 +879,12 @@ dbleave:
        rfi
 #endif /* KDB */
 
+clear_we:
+       lwz     %r3, (FRAME_SRR1+8)(%r1)
+       rlwinm  %r3, %r3, 0, 14, 12
+       stw     %r3, (FRAME_SRR1+8)(%r1)
+       b       trapexit
+
 #ifdef SMP
 ENTRY(tlb_lock)
        GET_CPUINFO(%r5)

Copied: head/sys/powerpc/powerpc/interrupt.c (from r284893, 
head/sys/powerpc/aim/interrupt.c)
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/powerpc/powerpc/interrupt.c        Mon Jul  6 05:08:57 2015        
(r285195, copy of r284893, head/sys/powerpc/aim/interrupt.c)
@@ -0,0 +1,122 @@
+/*-
+ * Copyright 2002 by Peter Grehan. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Interrupts are dispatched to here from locore asm
+ */
+
+#include "opt_hwpmc_hooks.h"
+
+#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/interrupt.h>
+#include <sys/kernel.h>
+#include <sys/kthread.h>
+#include <sys/ktr.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/mutex.h>
+#ifdef HWPMC_HOOKS
+#include <sys/pmckern.h>
+#endif
+#include <sys/proc.h>
+#include <sys/smp.h>
+#include <sys/unistd.h>
+#include <sys/vmmeter.h>
+
+#include <machine/cpu.h>
+#include <machine/clock.h>
+#include <machine/db_machdep.h>
+#include <machine/fpu.h>
+#include <machine/frame.h>
+#include <machine/intr_machdep.h>
+#include <machine/md_var.h>
+#include <machine/pcb.h>
+#include <machine/psl.h>
+#include <machine/trap.h>
+#include <machine/spr.h>
+#include <machine/sr.h>
+
+#include "pic_if.h"
+
+/*
+ * A very short dispatch, to try and maximise assembler code use
+ * between all exception types. Maybe 'true' interrupts should go
+ * here, and the trap code can come in separately
+ */
+void
+powerpc_interrupt(struct trapframe *framep)
+{
+       struct thread *td;
+       struct trapframe *oldframe;
+       register_t ee;
+
+       td = curthread;
+
+       CTR2(KTR_INTR, "%s: EXC=%x", __func__, framep->exc);
+
+       switch (framep->exc) {
+       case EXC_EXI:
+               critical_enter();
+               PIC_DISPATCH(root_pic, framep);
+               critical_exit();
+               break;
+
+       case EXC_DECR:
+               critical_enter();
+               atomic_add_int(&td->td_intr_nesting_level, 1);
+               oldframe = td->td_intr_frame;
+               td->td_intr_frame = framep;
+               decr_intr(framep);
+               td->td_intr_frame = oldframe;
+               atomic_subtract_int(&td->td_intr_nesting_level, 1);
+               critical_exit();
+               break;
+#ifdef HWPMC_HOOKS
+       case EXC_PERF:
+               critical_enter();
+               KASSERT(pmc_intr != NULL, ("Performance exception, but no 
handler!"));
+               (*pmc_intr)(PCPU_GET(cpuid), framep);
+               if (pmc_hook && (PCPU_GET(curthread)->td_pflags & 
TDP_CALLCHAIN))
+                       pmc_hook(PCPU_GET(curthread), PMC_FN_USER_CALLCHAIN, 
framep);
+               critical_exit();
+               break;
+#endif
+
+       default:
+               /* Re-enable interrupts if applicable. */
+               ee = framep->srr1 & PSL_EE;
+               if (ee != 0)
+                       mtmsr(mfmsr() | ee);
+               trap(framep);
+       }               
+}
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"

Reply via email to