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powerpc: move more iSeries code

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Move the iSeries specific parts of misc.S and ppc_ksyms.c
into powerpc/platforms/iseries.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Stephen Rothwell 2005-09-28 13:28:01 +10:00
parent 7b875f4dc3
commit c111d0bda8
5 changed files with 84 additions and 59 deletions
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3
arch/powerpc/platforms/iseries/Makefile
View file

@ -1,6 +1,7 @@
obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o \
hvcall.o proc.o htab.o iommu.o
hvcall.o proc.o htab.o iommu.o misc.o
obj-$(CONFIG_PCI) += pci.o irq.o vpdinfo.o
obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_VIOPATH) += viopath.o
obj-$(CONFIG_MODULES) += ksyms.o

27
arch/powerpc/platforms/iseries/ksyms.c Normal file
View file

@ -0,0 +1,27 @@
/*
* (C) 2001-2005 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/module.h>
#include <asm/hw_irq.h>
#include <asm/iSeries/HvCallSc.h>
EXPORT_SYMBOL(HvCall0);
EXPORT_SYMBOL(HvCall1);
EXPORT_SYMBOL(HvCall2);
EXPORT_SYMBOL(HvCall3);
EXPORT_SYMBOL(HvCall4);
EXPORT_SYMBOL(HvCall5);
EXPORT_SYMBOL(HvCall6);
EXPORT_SYMBOL(HvCall7);
#ifdef CONFIG_SMP
EXPORT_SYMBOL(local_get_flags);
EXPORT_SYMBOL(local_irq_disable);
EXPORT_SYMBOL(local_irq_restore);
#endif

55
arch/powerpc/platforms/iseries/misc.S Normal file
View file

@ -0,0 +1,55 @@
/*
* This file contains miscellaneous low-level functions.
* Copyright (C) 1995-2005 IBM Corp
*
* Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras.
* Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <asm/processor.h>
#include <asm/asm-offsets.h>
.text
/* unsigned long local_save_flags(void) */
_GLOBAL(local_get_flags)
lbz r3,PACAPROCENABLED(r13)
blr
/* unsigned long local_irq_disable(void) */
_GLOBAL(local_irq_disable)
lbz r3,PACAPROCENABLED(r13)
li r4,0
stb r4,PACAPROCENABLED(r13)
blr /* Done */
/* void local_irq_restore(unsigned long flags) */
_GLOBAL(local_irq_restore)
lbz r5,PACAPROCENABLED(r13)
/* Check if things are setup the way we want _already_. */
cmpw 0,r3,r5
beqlr
/* are we enabling interrupts? */
cmpdi 0,r3,0
stb r3,PACAPROCENABLED(r13)
beqlr
/* Check pending interrupts */
/* A decrementer, IPI or PMC interrupt may have occurred
* while we were in the hypervisor (which enables) */
ld r4,PACALPPACA+LPPACAANYINT(r13)
cmpdi r4,0
beqlr
/*
* Handle pending interrupts in interrupt context
*/
li r0,0x5555
sc
blr

38
arch/ppc64/kernel/misc.S
View file

@ -64,44 +64,6 @@ _GLOBAL(get_srr1)
_GLOBAL(get_sp)
mr r3,r1
blr
#ifdef CONFIG_PPC_ISERIES
/* unsigned long local_save_flags(void) */
_GLOBAL(local_get_flags)
lbz r3,PACAPROCENABLED(r13)
blr
/* unsigned long local_irq_disable(void) */
_GLOBAL(local_irq_disable)
lbz r3,PACAPROCENABLED(r13)
li r4,0
stb r4,PACAPROCENABLED(r13)
blr /* Done */
/* void local_irq_restore(unsigned long flags) */
_GLOBAL(local_irq_restore)
lbz r5,PACAPROCENABLED(r13)
/* Check if things are setup the way we want _already_. */
cmpw 0,r3,r5
beqlr
/* are we enabling interrupts? */
cmpdi 0,r3,0
stb r3,PACAPROCENABLED(r13)
beqlr
/* Check pending interrupts */
/* A decrementer, IPI or PMC interrupt may have occurred
* while we were in the hypervisor (which enables) */
ld r4,PACALPPACA+LPPACAANYINT(r13)
cmpdi r4,0
beqlr
/*
* Handle pending interrupts in interrupt context
*/
li r0,0x5555
sc
blr
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_IRQSTACKS
_GLOBAL(call_do_softirq)

20
arch/ppc64/kernel/ppc_ksyms.c
View file

@ -19,7 +19,6 @@
#include <asm/hw_irq.h>
#include <asm/abs_addr.h>
#include <asm/cacheflush.h>
#include <asm/iSeries/HvCallSc.h>
EXPORT_SYMBOL(strcpy);
EXPORT_SYMBOL(strncpy);
@ -46,17 +45,6 @@ EXPORT_SYMBOL(__strnlen_user);
EXPORT_SYMBOL(reloc_offset);
#ifdef CONFIG_PPC_ISERIES
EXPORT_SYMBOL(HvCall0);
EXPORT_SYMBOL(HvCall1);
EXPORT_SYMBOL(HvCall2);
EXPORT_SYMBOL(HvCall3);
EXPORT_SYMBOL(HvCall4);
EXPORT_SYMBOL(HvCall5);
EXPORT_SYMBOL(HvCall6);
EXPORT_SYMBOL(HvCall7);
#endif
EXPORT_SYMBOL(_insb);
EXPORT_SYMBOL(_outsb);
EXPORT_SYMBOL(_insw);
@ -77,14 +65,6 @@ EXPORT_SYMBOL(giveup_altivec);
EXPORT_SYMBOL(__flush_icache_range);
EXPORT_SYMBOL(flush_dcache_range);
#ifdef CONFIG_SMP
#ifdef CONFIG_PPC_ISERIES
EXPORT_SYMBOL(local_get_flags);
EXPORT_SYMBOL(local_irq_disable);
EXPORT_SYMBOL(local_irq_restore);
#endif
#endif
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memmove);