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[PATCH] sparc32 pt_regs fixes 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-10-08 14:30:44 +01:00 committed by Linus Torvalds
parent 7ff3e52cf2
commit 0d84438d98
13 changed files with 49 additions and 27 deletions
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23
arch/sparc/kernel/irq.c
View File

@ -46,6 +46,7 @@
#include <asm/pgtable.h>
#include <asm/pcic.h>
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
#ifdef CONFIG_SMP
#define SMP_NOP2 "nop; nop;\n\t"
@ -133,8 +134,8 @@ static void irq_panic(void)
prom_halt();
}
void (*sparc_init_timers)(irqreturn_t (*)(int, void *,struct pt_regs *)) =
(void (*)(irqreturn_t (*)(int, void *,struct pt_regs *))) irq_panic;
void (*sparc_init_timers)(irqreturn_t (*)(int, void *)) =
(void (*)(irqreturn_t (*)(int, void *))) irq_panic;
/*
* Dave Redman (djhr@tadpole.co.uk)
@ -319,12 +320,14 @@ void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs)
void handler_irq(int irq, struct pt_regs * regs)
{
struct pt_regs *old_regs;
struct irqaction * action;
int cpu = smp_processor_id();
#ifdef CONFIG_SMP
extern void smp4m_irq_rotate(int cpu);
#endif
old_regs = set_irq_regs(regs);
irq_enter();
disable_pil_irq(irq);
#ifdef CONFIG_SMP
@ -338,27 +341,31 @@ void handler_irq(int irq, struct pt_regs * regs)
do {
if (!action || !action->handler)
unexpected_irq(irq, NULL, regs);
action->handler(irq, action->dev_id, regs);
action->handler(irq, action->dev_id);
action = action->next;
} while (action);
sparc_irq[irq].flags &= ~SPARC_IRQ_INPROGRESS;
enable_pil_irq(irq);
irq_exit();
set_irq_regs(old_regs);
}
#ifdef CONFIG_BLK_DEV_FD
extern void floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs);
extern void floppy_interrupt(int irq, void *dev_id)
void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
{
struct pt_regs *old_regs;
int cpu = smp_processor_id();
old_regs = set_irq_regs(regs);
disable_pil_irq(irq);
irq_enter();
kstat_cpu(cpu).irqs[irq]++;
floppy_interrupt(irq, dev_id, regs);
floppy_interrupt(irq, dev_id);
irq_exit();
enable_pil_irq(irq);
set_irq_regs(old_regs);
// XXX Eek, it's totally changed with preempt_count() and such
// if (softirq_pending(cpu))
// do_softirq();
@ -369,7 +376,7 @@ void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
* thus no sharing possible.
*/
int request_fast_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
irqreturn_t (*handler)(int, void *),
unsigned long irqflags, const char *devname)
{
struct irqaction *action;
@ -468,7 +475,7 @@ out:
}
int request_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
irqreturn_t (*handler)(int, void *),
unsigned long irqflags, const char * devname, void *dev_id)
{
struct irqaction * action, **actionp;
@ -478,7 +485,7 @@ int request_irq(unsigned int irq,
if (sparc_cpu_model == sun4d) {
extern int sun4d_request_irq(unsigned int,
irqreturn_t (*)(int, void *, struct pt_regs *),
irqreturn_t (*)(int, void *),
unsigned long, const char *, void *);
return sun4d_request_irq(irq, handler, irqflags, devname, dev_id);
}

4
arch/sparc/kernel/pcic.c
View File

@ -708,13 +708,13 @@ static void pcic_clear_clock_irq(void)
pcic_timer_dummy = readl(pcic0.pcic_regs+PCI_SYS_LIMIT);
}
static irqreturn_t pcic_timer_handler (int irq, void *h, struct pt_regs *regs)
static irqreturn_t pcic_timer_handler (int irq, void *h)
{
write_seqlock(&xtime_lock); /* Dummy, to show that we remember */
pcic_clear_clock_irq();
do_timer(1);
#ifndef CONFIG_SMP
update_process_times(user_mode(regs));
update_process_times(user_mode(get_irq_regs()));
#endif
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;

2
arch/sparc/kernel/sun4c_irq.c
View File

@ -154,7 +154,7 @@ static void sun4c_load_profile_irq(int cpu, unsigned int limit)
/* Errm.. not sure how to do this.. */
}
static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *))
static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *))
{
int irq;

12
arch/sparc/kernel/sun4d_irq.c
View File

@ -38,6 +38,7 @@
#include <asm/sbus.h>
#include <asm/sbi.h>
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
/* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */
/* #define DISTRIBUTE_IRQS */
@ -198,6 +199,7 @@ extern void unexpected_irq(int, void *, struct pt_regs *);
void sun4d_handler_irq(int irq, struct pt_regs * regs)
{
struct pt_regs *old_regs;
struct irqaction * action;
int cpu = smp_processor_id();
/* SBUS IRQ level (1 - 7) */
@ -208,6 +210,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
cc_set_iclr(1 << irq);
old_regs = set_irq_regs(regs);
irq_enter();
kstat_cpu(cpu).irqs[irq]++;
if (!sbusl) {
@ -215,7 +218,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
if (!action)
unexpected_irq(irq, NULL, regs);
do {
action->handler(irq, action->dev_id, regs);
action->handler(irq, action->dev_id);
action = action->next;
} while (action);
} else {
@ -242,7 +245,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
if (!action)
unexpected_irq(irq, NULL, regs);
do {
action->handler(irq, action->dev_id, regs);
action->handler(irq, action->dev_id);
action = action->next;
} while (action);
release_sbi(SBI2DEVID(sbino), slot);
@ -250,6 +253,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
}
}
irq_exit();
set_irq_regs(old_regs);
}
unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq)
@ -272,7 +276,7 @@ unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
}
int sun4d_request_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
irqreturn_t (*handler)(int, void *),
unsigned long irqflags, const char * devname, void *dev_id)
{
struct irqaction *action, *tmp = NULL, **actionp;
@ -466,7 +470,7 @@ static void sun4d_load_profile_irq(int cpu, unsigned int limit)
bw_set_prof_limit(cpu, limit);
}
static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *))
static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *))
{
int irq;
int cpu;

6
arch/sparc/kernel/sun4d_smp.c
View File

@ -23,6 +23,7 @@
#include <asm/ptrace.h>
#include <asm/atomic.h>
#include <asm/irq_regs.h>
#include <asm/delay.h>
#include <asm/irq.h>
@ -369,10 +370,12 @@ void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs;
int cpu = hard_smp4d_processor_id();
static int cpu_tick[NR_CPUS];
static char led_mask[] = { 0xe, 0xd, 0xb, 0x7, 0xb, 0xd };
old_regs = set_irq_regs(regs);
bw_get_prof_limit(cpu);
bw_clear_intr_mask(0, 1); /* INTR_TABLE[0] & 1 is Profile IRQ */
@ -384,7 +387,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
show_leds(cpu);
}
profile_tick(CPU_PROFILING, regs);
profile_tick(CPU_PROFILING);
if(!--prof_counter(cpu)) {
int user = user_mode(regs);
@ -395,6 +398,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
prof_counter(cpu) = prof_multiplier(cpu);
}
set_irq_regs(old_regs);
}
extern unsigned int lvl14_resolution;

2
arch/sparc/kernel/sun4m_irq.c
View File

@ -228,7 +228,7 @@ static void sun4m_load_profile_irq(int cpu, unsigned int limit)
sun4m_timers->cpu_timers[cpu].l14_timer_limit = limit;
}
static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *))
static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *))
{
int reg_count, irq, cpu;
struct linux_prom_registers cnt_regs[PROMREG_MAX];

7
arch/sparc/kernel/sun4m_smp.c
View File

@ -19,6 +19,7 @@
#include <linux/profile.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/irq_regs.h>
#include <asm/ptrace.h>
#include <asm/atomic.h>
@ -353,11 +354,14 @@ void smp4m_cross_call_irq(void)
void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs;
int cpu = smp_processor_id();
old_regs = set_irq_regs(regs);
clear_profile_irq(cpu);
profile_tick(CPU_PROFILING, regs);
profile_tick(CPU_PROFILING);
if(!--prof_counter(cpu)) {
int user = user_mode(regs);
@ -368,6 +372,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
prof_counter(cpu) = prof_multiplier(cpu);
}
set_irq_regs(old_regs);
}
extern unsigned int lvl14_resolution;

2
arch/sparc/kernel/tick14.c
View File

@ -55,7 +55,7 @@ void install_obp_ticker(void)
linux_lvl14[3] = obp_lvl14[3];
}
void claim_ticker14(irqreturn_t (*handler)(int, void *, struct pt_regs *),
void claim_ticker14(irqreturn_t (*handler)(int, void *),
int irq_nr, unsigned int timeout )
{
int cpu = smp_processor_id();

7
arch/sparc/kernel/time.c
View File

@ -42,6 +42,7 @@
#include <asm/page.h>
#include <asm/pcic.h>
#include <asm/of_device.h>
#include <asm/irq_regs.h>
DEFINE_SPINLOCK(rtc_lock);
enum sparc_clock_type sp_clock_typ;
@ -104,13 +105,13 @@ __volatile__ unsigned int *master_l10_limit;
#define TICK_SIZE (tick_nsec / 1000)
irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
irqreturn_t timer_interrupt(int irq, void *dev_id)
{
/* last time the cmos clock got updated */
static long last_rtc_update;
#ifndef CONFIG_SMP
profile_tick(CPU_PROFILING, regs);
profile_tick(CPU_PROFILING);
#endif
/* Protect counter clear so that do_gettimeoffset works */
@ -128,7 +129,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
do_timer(1);
#ifndef CONFIG_SMP
update_process_times(user_mode(regs));
update_process_times(user_mode(get_irq_regs()));
#endif

2
drivers/parport/parport_sunbpp.c
View File

@ -48,7 +48,7 @@
static irqreturn_t parport_sunbpp_interrupt(int irq, void *dev_id)
{
parport_generic_irq(irq, (struct parport *) dev_id, regs);
parport_generic_irq(irq, (struct parport *) dev_id);
return IRQ_HANDLED;
}

2
include/asm-sparc/floppy.h
View File

@ -262,7 +262,7 @@ static __inline__ void sun_fd_enable_dma(void)
}
/* Our low-level entry point in arch/sparc/kernel/entry.S */
irqreturn_t floppy_hardint(int irq, void *unused, struct pt_regs *regs);
irqreturn_t floppy_hardint(int irq, void *unused);
static int sun_fd_request_irq(void)
{

6
include/asm-sparc/irq.h
View File

@ -76,8 +76,8 @@ static inline void load_profile_irq(int cpu, int limit)
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
extern void (*sparc_init_timers)(irqreturn_t (*lvl10_irq)(int, void *, struct pt_regs *));
extern void claim_ticker14(irqreturn_t (*irq_handler)(int, void *, struct pt_regs *),
extern void (*sparc_init_timers)(irqreturn_t (*lvl10_irq)(int, void *));
extern void claim_ticker14(irqreturn_t (*irq_handler)(int, void *),
int irq,
unsigned int timeout);
@ -91,7 +91,7 @@ BTFIXUPDEF_CALL(void, set_irq_udt, int)
#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
#endif
extern int request_fast_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, __const__ char *devname);
extern int request_fast_irq(unsigned int irq, irqreturn_t (*handler)(int, void *), unsigned long flags, __const__ char *devname);
/* On the sun4m, just like the timers, we have both per-cpu and master
* interrupt registers.

1
include/asm-sparc/irq_regs.h Normal file
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@ -0,0 +1 @@
#include <asm-generic/irq_regs.h>