* Requests the DMA done IRQ if irqhandler != NULL.
*/
int request_au1000_dma(int dev_id, const char *dev_str,
- irqreturn_t (*irqhandler)(int, void *, struct pt_regs *),
+ irqreturn_t (*irqhandler)(int, void *),
unsigned long irqflags,
void *irq_dev_id)
{
extern void set_debug_traps(void);
extern irq_cpustat_t irq_stat [NR_CPUS];
-extern void mips_timer_interrupt(struct pt_regs *regs);
+extern void mips_timer_interrupt(void);
static void setup_local_irq(unsigned int irq, int type, int int_req);
static unsigned int startup_irq(unsigned int irq);
void (*board_init_irq)(void);
-#ifdef CONFIG_PM
-extern irqreturn_t counter0_irq(int irq, void *dev_id, struct pt_regs *regs);
-#endif
-
static DEFINE_SPINLOCK(irq_lock);
};
#ifdef CONFIG_PM
-void startup_match20_interrupt(irqreturn_t (*handler)(int, void *, struct pt_regs *))
+void startup_match20_interrupt(irqreturn_t (*handler)(int, void *))
{
struct irq_desc *desc = &irq_desc[AU1000_TOY_MATCH2_INT];
* intcX_reqX_irqdispatch().
*/
-void intc0_req0_irqdispatch(struct pt_regs *regs)
+static void intc0_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req0 = 0;
intc0_req0 |= au_readl(IC0_REQ0INT);
- if (!intc0_req0) return;
+ if (!intc0_req0)
+ return;
#ifdef AU1000_USB_DEV_REQ_INT
/*
* Because of the tight timing of SETUP token to reply
*/
if ((intc0_req0 & (1<<AU1000_USB_DEV_REQ_INT))) {
intc0_req0 &= ~(1<<AU1000_USB_DEV_REQ_INT);
- do_IRQ(AU1000_USB_DEV_REQ_INT, regs);
+ do_IRQ(AU1000_USB_DEV_REQ_INT);
return;
}
#endif
irq = au_ffs(intc0_req0) - 1;
intc0_req0 &= ~(1<<irq);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
-void intc0_req1_irqdispatch(struct pt_regs *regs)
+static void intc0_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req1 = 0;
intc0_req1 |= au_readl(IC0_REQ1INT);
- if (!intc0_req1) return;
+ if (!intc0_req1)
+ return;
irq = au_ffs(intc0_req1) - 1;
intc0_req1 &= ~(1<<irq);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
* Interrupt Controller 1:
* interrupts 32 - 63
*/
-void intc1_req0_irqdispatch(struct pt_regs *regs)
+static void intc1_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req0 = 0;
intc1_req0 |= au_readl(IC1_REQ0INT);
- if (!intc1_req0) return;
+ if (!intc1_req0)
+ return;
irq = au_ffs(intc1_req0) - 1;
intc1_req0 &= ~(1<<irq);
irq += 32;
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
-void intc1_req1_irqdispatch(struct pt_regs *regs)
+static void intc1_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req1 = 0;
intc1_req1 |= au_readl(IC1_REQ1INT);
- if (!intc1_req1) return;
+ if (!intc1_req1)
+ return;
irq = au_ffs(intc1_req1) - 1;
intc1_req1 &= ~(1<<irq);
irq += 32;
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
#ifdef CONFIG_PM
}
#endif /* CONFIG_PM */
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & CAUSEF_IP7)
- mips_timer_interrupt(regs);
+ mips_timer_interrupt();
else if (pending & CAUSEF_IP2)
- intc0_req0_irqdispatch(regs);
+ intc0_req0_irqdispatch();
else if (pending & CAUSEF_IP3)
- intc0_req1_irqdispatch(regs);
+ intc0_req1_irqdispatch();
else if (pending & CAUSEF_IP4)
- intc1_req0_irqdispatch(regs);
+ intc1_req0_irqdispatch();
else if (pending & CAUSEF_IP5)
- intc1_req1_irqdispatch(regs);
+ intc1_req1_irqdispatch();
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
#error "unsupported HZ value! Must be in [100,1000]"
#endif
#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
-extern void startup_match20_interrupt(irqreturn_t (*handler)(int, void *, struct pt_regs *));
+extern void startup_match20_interrupt(irqreturn_t (*handler)(int, void *));
static unsigned long last_pc0, last_match20;
#endif
* is provably more robust.
*/
unsigned long wtimer;
-void mips_timer_interrupt(struct pt_regs *regs)
+
+void mips_timer_interrupt(void)
{
int irq = 63;
unsigned long count;
kstat_this_cpu.irqs[irq]++;
do_timer(1);
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
r4k_cur += r4k_offset;
ack_r4ktimer(r4k_cur);
}
#ifdef CONFIG_PM
-irqreturn_t counter0_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t counter0_irq(int irq, void *dev_id)
{
unsigned long pc0;
int time_elapsed;
while (time_elapsed > 0) {
do_timer(1);
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
time_elapsed -= MATCH20_INC;
last_match20 += MATCH20_INC;
jiffie_drift -= 999;
do_timer(1); /* increment jiffies by one */
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
}
/* This ISR handles the receive complete and suspend events */
-static void
-req_sus_intr (int irq, void *dev_id, struct pt_regs *regs)
+static void req_sus_intr (int irq, void *dev_id)
{
struct usb_dev *dev = (struct usb_dev *) dev_id;
u32 status;
/* This ISR handles the DMA done events on EP0 */
-static void
-dma_done_ep0_intr(int irq, void *dev_id, struct pt_regs *regs)
+static void dma_done_ep0_intr(int irq, void *dev_id)
{
struct usb_dev *dev = (struct usb_dev *) dev_id;
usbdev_pkt_t* pkt;
}
/* This ISR handles the DMA done events on endpoints 2,3,4,5 */
-static void
-dma_done_ep_intr(int irq, void *dev_id, struct pt_regs *regs)
+static void dma_done_ep_intr(int irq, void *dev_id)
{
struct usb_dev *dev = (struct usb_dev *) dev_id;
int i;
*/
static volatile int pb1200_cascade_en=0;
-irqreturn_t pb1200_cascade_handler( int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
{
unsigned short bisr = bcsr->int_status;
int extirq_nr = 0;
{
extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr);
/* Ack and dispatch IRQ */
- do_IRQ(extirq_nr,regs);
+ do_IRQ(extirq_nr);
}
+
return IRQ_RETVAL(1);
}
}
/* KGDB interrupt handler */
-asmlinkage void excite_kgdb_inthdl(struct pt_regs *regs)
+asmlinkage void excite_kgdb_inthdl(void)
{
if (unlikely(
((titan_readl(UAIIR) & 0x7) == 4)
static int iodev_release(struct inode *, struct file *);
static ssize_t iodev_read(struct file *, char __user *, size_t s, loff_t *);
static unsigned int iodev_poll(struct file *, struct poll_table_struct *);
-static irqreturn_t iodev_irqhdl(int, void *, struct pt_regs *);
+static irqreturn_t iodev_irqhdl(int, void *);
return misc_deregister(&miscdev);
}
-
-
static int iodev_open(struct inode *i, struct file *f)
{
return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
iodev_name, &miscdev);
}
-
-
static int iodev_release(struct inode *i, struct file *f)
{
free_irq(iodev_irq, &miscdev);
return POLLOUT | POLLWRNORM;
}
-
-
-
-static irqreturn_t iodev_irqhdl(int irq, void *ctxt, struct pt_regs *regs)
+static irqreturn_t iodev_irqhdl(int irq, void *ctxt)
{
wake_up(&wq);
+
return IRQ_HANDLED;
}
-
-
static int __init iodev_init_module(void)
{
return driver_register(&iodev_driver);
#endif
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
const u32
interrupts = read_c0_cause() >> 8,
/* process timer interrupt */
if (pending & (1 << TIMER_IRQ)) {
- do_IRQ(TIMER_IRQ, regs);
+ do_IRQ(TIMER_IRQ);
return;
}
#else
if (pending & (1 << USB_IRQ)) {
#endif
- do_IRQ(USB_IRQ, regs);
+ do_IRQ(USB_IRQ);
return;
}
if ((pending & (1 << TITAN_IRQ)) && msgint) {
ocd_writel(msgint, INTP0Clear0 + (TITAN_MSGINT / 0x20 * 0x10));
#if defined(CONFIG_KGDB)
- excite_kgdb_inthdl(regs);
+ excite_kgdb_inthdl();
#endif
- do_IRQ(TITAN_IRQ, regs);
+ do_IRQ(TITAN_IRQ);
return;
}
msgintmask = ocd_readl(INTP0Mask0 + (FPGA0_MSGINT / 0x20 * 0x10));
msgint = msgintflags & msgintmask & (0x1 << (FPGA0_MSGINT % 0x20));
if ((pending & (1 << FPGA0_IRQ)) && msgint) {
- do_IRQ(FPGA0_IRQ, regs);
+ do_IRQ(FPGA0_IRQ);
return;
}
msgintmask = ocd_readl(INTP0Mask0 + (FPGA1_MSGINT / 0x20 * 0x10));
msgint = msgintflags & msgintmask & (0x1 << (FPGA1_MSGINT % 0x20));
if ((pending & (1 << FPGA1_IRQ)) && msgint) {
- do_IRQ(FPGA1_IRQ, regs);
+ do_IRQ(FPGA1_IRQ);
return;
}
msgintmask = ocd_readl(INTP0Mask0 + (PHY_MSGINT / 0x20 * 0x10));
msgint = msgintflags & msgintmask & (0x1 << (PHY_MSGINT % 0x20));
if ((pending & (1 << PHY_IRQ)) && msgint) {
- do_IRQ(PHY_IRQ, regs);
+ do_IRQ(PHY_IRQ);
return;
}
/* Process spurious interrupts */
- spurious_interrupt(regs);
+ spurious_interrupt();
}
* 15 - IDE1
*/
-static inline void galileo_irq(struct pt_regs *regs)
+static inline void galileo_irq(void)
{
unsigned int mask, pending, devfn;
if (pending & GALILEO_INTR_T0EXP) {
GALILEO_OUTL(~GALILEO_INTR_T0EXP, GT_INTRCAUSE_OFS);
- do_IRQ(COBALT_GALILEO_IRQ, regs);
+ do_IRQ(COBALT_GALILEO_IRQ);
} else if (pending & GALILEO_INTR_RETRY_CTR) {
}
}
-static inline void via_pic_irq(struct pt_regs *regs)
+static inline void via_pic_irq(void)
{
int irq;
irq = i8259_irq();
if (irq >= 0)
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
- unsigned pending;
-
- pending = read_c0_status() & read_c0_cause();
-
- if (pending & CAUSEF_IP2) /* COBALT_GALILEO_IRQ (18) */
-
- galileo_irq(regs);
-
- else if (pending & CAUSEF_IP6) /* COBALT_VIA_IRQ (22) */
-
- via_pic_irq(regs);
-
- else if (pending & CAUSEF_IP3) /* COBALT_ETH0_IRQ (19) */
-
- do_IRQ(COBALT_CPU_IRQ + 3, regs);
-
- else if (pending & CAUSEF_IP4) /* COBALT_ETH1_IRQ (20) */
-
- do_IRQ(COBALT_CPU_IRQ + 4, regs);
-
- else if (pending & CAUSEF_IP5) /* COBALT_SERIAL_IRQ (21) */
-
- do_IRQ(COBALT_CPU_IRQ + 5, regs);
-
- else if (pending & CAUSEF_IP7) /* IRQ 23 */
-
- do_IRQ(COBALT_CPU_IRQ + 7, regs);
+ unsigned pending = read_c0_status() & read_c0_cause();
+
+ if (pending & CAUSEF_IP2) /* COBALT_GALILEO_IRQ (18) */
+ galileo_irq();
+ else if (pending & CAUSEF_IP6) /* COBALT_VIA_IRQ (22) */
+ via_pic_irq();
+ else if (pending & CAUSEF_IP3) /* COBALT_ETH0_IRQ (19) */
+ do_IRQ(COBALT_CPU_IRQ + 3);
+ else if (pending & CAUSEF_IP4) /* COBALT_ETH1_IRQ (20) */
+ do_IRQ(COBALT_CPU_IRQ + 4);
+ else if (pending & CAUSEF_IP5) /* COBALT_SERIAL_IRQ (21) */
+ do_IRQ(COBALT_CPU_IRQ + 5);
+ else if (pending & CAUSEF_IP7) /* IRQ 23 */
+ do_IRQ(COBALT_CPU_IRQ + 7);
}
static struct irqaction irq_via = {
* the first level int-handler will jump here if it is a vrc5477 irq
*/
#define NUM_5477_IRQS 32
-static void
-vrc5477_irq_dispatch(struct pt_regs *regs)
+static void vrc5477_irq_dispatch(void)
{
u32 intStatus;
u32 bitmask;
/* check for i8259 interrupts */
if (intStatus & (1 << VRC5477_I8259_CASCADE)) {
int i8259_irq = i8259_interrupt_ack();
- do_IRQ(I8259_IRQ_BASE + i8259_irq, regs);
+ do_IRQ(I8259_IRQ_BASE + i8259_irq);
return;
}
}
for (i=0, bitmask=1; i<= NUM_5477_IRQS; bitmask <<=1, i++) {
/* do we need to "and" with the int mask? */
if (intStatus & bitmask) {
- do_IRQ(VRC5477_IRQ_BASE + i, regs);
+ do_IRQ(VRC5477_IRQ_BASE + i);
return;
}
}
#define VR5477INTS (STATUSF_IP2|STATUSF_IP3|STATUSF_IP4|STATUSF_IP5|STATUSF_IP6)
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP7)
- do_IRQ(CPU_IRQ_BASE + 7, regs);
+ do_IRQ(CPU_IRQ_BASE + 7);
else if (pending & VR5477INTS)
- vrc5477_irq_dispatch(regs);
+ vrc5477_irq_dispatch();
else if (pending & STATUSF_IP0)
- do_IRQ(CPU_IRQ_BASE, regs);
+ do_IRQ(CPU_IRQ_BASE);
else if (pending & STATUSF_IP1)
- do_IRQ(CPU_IRQ_BASE + 1, regs);
+ do_IRQ(CPU_IRQ_BASE + 1);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
srlv t3,t1,t2
handle_it:
+ LONG_L s0, TI_REGS($28)
+ LONG_S sp, TI_REGS($28)
jal do_IRQ
- move a1,sp
+ LONG_S s0, TI_REGS($28)
j ret_from_irq
nop
/*
* the first level int-handler will jump here if it is a emma2rh irq
*/
-asmlinkage void emma2rh_irq_dispatch(struct pt_regs *regs)
+void emma2rh_irq_dispatch(void)
{
u32 intStatus;
u32 bitmask;
& emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (swIntStatus & bitmask) {
- do_IRQ(EMMA2RH_SW_IRQ_BASE + i, regs);
+ do_IRQ(EMMA2RH_SW_IRQ_BASE + i);
return;
}
}
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i, regs);
+ do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
& emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (gpioIntStatus & bitmask) {
- do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i, regs);
+ do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i);
return;
}
}
for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i, regs);
+ do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i, regs);
+ do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
extern void emma2rh_sw_irq_init(u32 base);
extern void emma2rh_gpio_irq_init(u32 base);
extern void emma2rh_irq_init(u32 base);
-extern asmlinkage void emma2rh_irq_dispatch(struct pt_regs *regs);
+extern void emma2rh_irq_dispatch(void);
static struct irqaction irq_cascade = {
.handler = no_action,
setup_irq(CPU_IRQ_BASE + CPU_EMMA2RH_CASCADE, &irq_cascade);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP7)
- do_IRQ(CPU_IRQ_BASE + 7, regs);
+ do_IRQ(CPU_IRQ_BASE + 7);
else if (pending & STATUSF_IP2)
- emma2rh_irq_dispatch(regs);
+ emma2rh_irq_dispatch();
else if (pending & STATUSF_IP1)
- do_IRQ(CPU_IRQ_BASE + 1, regs);
+ do_IRQ(CPU_IRQ_BASE + 1);
else if (pending & STATUSF_IP0)
- do_IRQ(CPU_IRQ_BASE + 0, regs);
+ do_IRQ(CPU_IRQ_BASE + 0);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
+#include <asm/irq_regs.h>
#include <asm/ptrace.h>
#include <asm/gt64120.h>
* differently than other MIPS interrupts.
*/
-static void gt64120_irq(int irq, void *dev_id, struct pt_regs *regs)
+static void gt64120_irq(int irq, void *dev_id)
{
unsigned int irq_src, int_high_src, irq_src_mask, int_high_src_mask;
int handled = 0;
irq_src &= ~0x00000800;
do_timer(1);
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
}
#include <asm/system.h>
#include <asm/gt64120.h>
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP4) /* int2 hardware line (timer) */
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP2) /* int0 hardware line */
- do_IRQ(GT_INTA, regs);
+ do_IRQ(GT_INTA);
else if (pending & STATUSF_IP5) /* int3 hardware line */
- do_IRQ(GT_INTD, regs);
+ do_IRQ(GT_INTD);
else if (pending & STATUSF_IP6) /* int4 hardware line */
- do_IRQ(6, regs);
+ do_IRQ(6);
else if (pending & STATUSF_IP7) /* compare int */
- do_IRQ(7, regs);
+ do_IRQ(7);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
static void disable_ev64120_irq(unsigned int irq_nr)
#include <asm/mipsregs.h>
#include <asm/system.h>
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP2) /* int0 hardware line */
- do_IRQ(2, regs);
+ do_IRQ(2);
else if (pending & STATUSF_IP3) /* int1 hardware line */
- do_IRQ(3, regs);
+ do_IRQ(3);
else if (pending & STATUSF_IP4) /* int2 hardware line */
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP5) /* int3 hardware line */
- do_IRQ(5, regs);
+ do_IRQ(5);
else if (pending & STATUSF_IP6) /* int4 hardware line */
- do_IRQ(6, regs);
+ do_IRQ(6);
else if (pending & STATUSF_IP7) /* cpu timer */
- do_IRQ(7, regs);
+ do_IRQ(7);
else {
/*
* Now look at the extended interrupts
pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
if (pending & STATUSF_IP8) /* int6 hardware line */
- do_IRQ(8, regs);
+ do_IRQ(8);
else if (pending & STATUSF_IP9) /* int7 hardware line */
- do_IRQ(9, regs);
+ do_IRQ(9);
else if (pending & STATUSF_IP10) /* int8 hardware line */
- do_IRQ(10, regs);
+ do_IRQ(10);
else if (pending & STATUSF_IP11) /* int9 hardware line */
- do_IRQ(11, regs);
+ do_IRQ(11);
}
}
#include <asm/irq_cpu.h>
#include <asm/gt64120.h>
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP7)
- do_IRQ(WRPPMC_MIPS_TIMER_IRQ, regs); /* CPU Compare/Count internal timer */
+ do_IRQ(WRPPMC_MIPS_TIMER_IRQ); /* CPU Compare/Count internal timer */
else if (pending & STATUSF_IP6)
- do_IRQ(WRPPMC_UART16550_IRQ, regs); /* UART 16550 port */
+ do_IRQ(WRPPMC_UART16550_IRQ); /* UART 16550 port */
else if (pending & STATUSF_IP3)
- do_IRQ(WRPPMC_PCI_INTA_IRQ, regs); /* PCI INT_A */
+ do_IRQ(WRPPMC_PCI_INTA_IRQ); /* PCI INT_A */
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
/**
change_c0_status(ST0_IM, IE_IRQ4 | IE_IRQ3 | IE_IRQ2 | IE_IRQ1);
}
-static void loc_call(unsigned int irq, struct pt_regs *regs, unsigned int mask)
+static void loc_call(unsigned int irq, unsigned int mask)
{
r4030_write_reg16(JAZZ_IO_IRQ_ENABLE,
r4030_read_reg16(JAZZ_IO_IRQ_ENABLE) & mask);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
r4030_write_reg16(JAZZ_IO_IRQ_ENABLE,
r4030_read_reg16(JAZZ_IO_IRQ_ENABLE) | mask);
}
-static void ll_local_dev(struct pt_regs *regs)
+static void ll_local_dev(void)
{
switch (r4030_read_reg32(JAZZ_IO_IRQ_SOURCE)) {
case 0:
panic("Unimplemented loc_no_irq handler");
break;
case 4:
- loc_call(JAZZ_PARALLEL_IRQ, regs, JAZZ_IE_PARALLEL);
+ loc_call(JAZZ_PARALLEL_IRQ, JAZZ_IE_PARALLEL);
break;
case 8:
- loc_call(JAZZ_PARALLEL_IRQ, regs, JAZZ_IE_FLOPPY);
+ loc_call(JAZZ_PARALLEL_IRQ, JAZZ_IE_FLOPPY);
break;
case 12:
panic("Unimplemented loc_sound handler");
panic("Unimplemented loc_video handler");
break;
case 20:
- loc_call(JAZZ_ETHERNET_IRQ, regs, JAZZ_IE_ETHERNET);
+ loc_call(JAZZ_ETHERNET_IRQ, JAZZ_IE_ETHERNET);
break;
case 24:
- loc_call(JAZZ_SCSI_IRQ, regs, JAZZ_IE_SCSI);
+ loc_call(JAZZ_SCSI_IRQ, JAZZ_IE_SCSI);
break;
case 28:
- loc_call(JAZZ_KEYBOARD_IRQ, regs, JAZZ_IE_KEYBOARD);
+ loc_call(JAZZ_KEYBOARD_IRQ, JAZZ_IE_KEYBOARD);
break;
case 32:
- loc_call(JAZZ_MOUSE_IRQ, regs, JAZZ_IE_MOUSE);
+ loc_call(JAZZ_MOUSE_IRQ, JAZZ_IE_MOUSE);
break;
case 36:
- loc_call(JAZZ_SERIAL1_IRQ, regs, JAZZ_IE_SERIAL1);
+ loc_call(JAZZ_SERIAL1_IRQ, JAZZ_IE_SERIAL1);
break;
case 40:
- loc_call(JAZZ_SERIAL2_IRQ, regs, JAZZ_IE_SERIAL2);
+ loc_call(JAZZ_SERIAL2_IRQ, JAZZ_IE_SERIAL2);
break;
}
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
write_c0_compare(0);
else if (pending & IE_IRQ4) {
r4030_read_reg32(JAZZ_TIMER_REGISTER);
- do_IRQ(JAZZ_TIMER_IRQ, regs);
+ do_IRQ(JAZZ_TIMER_IRQ);
} else if (pending & IE_IRQ3)
panic("Unimplemented ISA NMI handler");
else if (pending & IE_IRQ2)
- do_IRQ(r4030_read_reg32(JAZZ_EISA_IRQ_ACK), regs);
+ do_IRQ(r4030_read_reg32(JAZZ_EISA_IRQ_ACK));
else if (pending & IE_IRQ1) {
- ll_local_dev(regs);
+ ll_local_dev();
} else if (unlikely(pending & IE_IRQ0))
panic("Unimplemented local_dma handler");
else if (pending & IE_SW1) {
#include <linux/smp_lock.h>
#include <linux/bitops.h>
+#include <asm/irq_regs.h>
#include <asm/io.h>
#include <asm/mipsregs.h>
#include <asm/system.h>
.space_id = 0,
can_share : 1
};
+
struct tb_irq_space jmr3927_irc_irqspace = {
- .next = NULL,
- .start_irqno = JMR3927_IRQ_IRC,
- nr_irqs : JMR3927_NR_IRQ_IRC,
- .mask_func = mask_irq_irc,
- .unmask_func = unmask_irq_irc,
- .name = "on-chip",
- .space_id = 0,
- can_share : 0
+ .next = NULL,
+ .start_irqno = JMR3927_IRQ_IRC,
+ .nr_irqs = JMR3927_NR_IRQ_IRC,
+ .mask_func = mask_irq_irc,
+ .unmask_func = unmask_irq_irc,
+ .name = "on-chip",
+ .space_id = 0,
+ .can_share = 0
};
-void jmr3927_spurious(struct pt_regs *regs)
+
+#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
+static int tx_branch_likely_bug_count = 0;
+static int have_tx_branch_likely_bug = 0;
+
+static void tx_branch_likely_bug_fixup(void)
+{
+ struct pt_regs *regs = get_irq_regs();
+
+ /* TX39/49-BUG: Under this condition, the insn in delay slot
+ of the branch likely insn is executed (not nullified) even
+ the branch condition is false. */
+ if (!have_tx_branch_likely_bug)
+ return;
+ if ((regs->cp0_epc & 0xfff) == 0xffc &&
+ KSEGX(regs->cp0_epc) != KSEG0 &&
+ KSEGX(regs->cp0_epc) != KSEG1) {
+ unsigned int insn = *(unsigned int*)(regs->cp0_epc - 4);
+ /* beql,bnel,blezl,bgtzl */
+ /* bltzl,bgezl,blezall,bgezall */
+ /* bczfl, bcztl */
+ if ((insn & 0xf0000000) == 0x50000000 ||
+ (insn & 0xfc0e0000) == 0x04020000 ||
+ (insn & 0xf3fe0000) == 0x41020000) {
+ regs->cp0_epc -= 4;
+ tx_branch_likely_bug_count++;
+ printk(KERN_INFO
+ "fix branch-likery bug in %s (insn %08x)\n",
+ current->comm, insn);
+ }
+ }
+}
+#endif
+
+static void jmr3927_spurious(void)
{
#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
- tx_branch_likely_bug_fixup(regs);
+ tx_branch_likely_bug_fixup();
#endif
printk(KERN_WARNING "spurious interrupt (cause 0x%lx, pc 0x%lx, ra 0x%lx).\n",
regs->cp0_cause, regs->cp0_epc, regs->regs[31]);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
int irq;
#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
- tx_branch_likely_bug_fixup(regs);
+ tx_branch_likely_bug_fixup();
#endif
if ((regs->cp0_cause & CAUSEF_IP7) == 0) {
#if 0
- jmr3927_spurious(regs);
+ jmr3927_spurious();
#endif
return;
}
irq = (regs->cp0_cause >> CAUSEB_IP2) & 0x0f;
- do_IRQ(irq + JMR3927_IRQ_IRC, regs);
+ do_IRQ(irq + JMR3927_IRQ_IRC);
}
-static irqreturn_t jmr3927_ioc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t jmr3927_ioc_interrupt(int irq, void *dev_id)
{
unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR);
int i;
for (i = 0; i < JMR3927_NR_IRQ_IOC; i++) {
if (istat & (1 << i)) {
irq = JMR3927_IRQ_IOC + i;
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
}
return IRQ_HANDLED;
jmr3927_ioc_interrupt, 0, CPU_MASK_NONE, "IOC", NULL, NULL,
};
-static irqreturn_t jmr3927_isac_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t jmr3927_isac_interrupt(int irq, void *dev_id)
{
unsigned char istat = jmr3927_isac_reg_in(JMR3927_ISAC_INTS2_ADDR);
int i;
for (i = 0; i < JMR3927_NR_IRQ_ISAC; i++) {
if (istat & (1 << i)) {
irq = JMR3927_IRQ_ISAC + i;
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
}
return IRQ_HANDLED;
};
-static irqreturn_t jmr3927_isaerr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
+static irqreturn_t jmr3927_isaerr_interrupt(int irq, void *dev_id)
{
printk(KERN_WARNING "ISA error interrupt (irq 0x%x).\n", irq);
jmr3927_isaerr_interrupt, 0, CPU_MASK_NONE, "ISA error", NULL, NULL,
};
-static irqreturn_t jmr3927_pcierr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
+static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id)
{
printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq);
printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
jmr3927_irq_base = irq_base;
}
-
-#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
-static int tx_branch_likely_bug_count = 0;
-static int have_tx_branch_likely_bug = 0;
-void tx_branch_likely_bug_fixup(struct pt_regs *regs)
-{
- /* TX39/49-BUG: Under this condition, the insn in delay slot
- of the branch likely insn is executed (not nullified) even
- the branch condition is false. */
- if (!have_tx_branch_likely_bug)
- return;
- if ((regs->cp0_epc & 0xfff) == 0xffc &&
- KSEGX(regs->cp0_epc) != KSEG0 &&
- KSEGX(regs->cp0_epc) != KSEG1) {
- unsigned int insn = *(unsigned int*)(regs->cp0_epc - 4);
- /* beql,bnel,blezl,bgtzl */
- /* bltzl,bgezl,blezall,bgezall */
- /* bczfl, bcztl */
- if ((insn & 0xf0000000) == 0x50000000 ||
- (insn & 0xfc0e0000) == 0x04020000 ||
- (insn & 0xf3fe0000) == 0x41020000) {
- regs->cp0_epc -= 4;
- tx_branch_likely_bug_count++;
- printk(KERN_INFO
- "fix branch-likery bug in %s (insn %08x)\n",
- current->comm, insn);
- }
- }
-}
-#endif
offset("#define TI_TASK ", struct thread_info, task);
offset("#define TI_EXEC_DOMAIN ", struct thread_info, exec_domain);
offset("#define TI_FLAGS ", struct thread_info, flags);
+ offset("#define TI_TP_VALUE ", struct thread_info, tp_value);
offset("#define TI_CPU ", struct thread_info, cpu);
offset("#define TI_PRE_COUNT ", struct thread_info, preempt_count);
offset("#define TI_ADDR_LIMIT ", struct thread_info, addr_limit);
offset("#define TI_RESTART_BLOCK ", struct thread_info, restart_block);
- offset("#define TI_TP_VALUE ", struct thread_info, tp_value);
+ offset("#define TI_REGS ", struct thread_info, regs);
constant("#define _THREAD_SIZE_ORDER ", THREAD_SIZE_ORDER);
constant("#define _THREAD_SIZE ", THREAD_SIZE);
constant("#define _THREAD_MASK ", THREAD_MASK);
FEXPORT(restore_all) # restore full frame
#ifdef CONFIG_MIPS_MT_SMTC
/* Detect and execute deferred IPI "interrupts" */
- move a0,sp
jal deferred_smtc_ipi
/* Re-arm any temporarily masked interrupts not explicitly "acked" */
mfc0 v0, CP0_TCSTATUS
CLI
TRACE_IRQS_OFF
- PTR_LA ra, ret_from_irq
- move a0, sp
- j plat_irq_dispatch
+ LONG_L s0, TI_REGS($28)
+ LONG_S sp, TI_REGS($28)
+ jal plat_irq_dispatch
+ LONG_S s0, TI_REGS($28)
+ j ret_from_irq
END(handle_int)
__INIT
#endif /* CONFIG_MIPS_MT_SMTC */
CLI
TRACE_IRQS_OFF
- move a0, sp
+
+ LONG_L s0, TI_REGS($28)
+ LONG_S sp, TI_REGS($28)
+ jalr v0
+ LONG_S s0, TI_REGS($28)
PTR_LA ra, ret_from_irq
- jr v0
END(except_vec_vi_handler)
/*
/*
* Interrupt handler for interrupts coming from SOC-it.
*/
-void ll_msc_irq(struct pt_regs *regs)
+void ll_msc_irq(void)
{
unsigned int irq;
/* read the interrupt vector register */
MSCIC_READ(MSC01_IC_VEC, irq);
if (irq < 64)
- do_IRQ(irq + irq_base, regs);
+ do_IRQ(irq + irq_base);
else {
/* Ignore spurious interrupt */
}
* Interrupt handler for interrupts coming from the Marvell chip.
* It could be built in ethernet ports etc...
*/
-void ll_mv64340_irq(struct pt_regs *regs)
+void ll_mv64340_irq(void)
{
unsigned int irq_src_low, irq_src_high;
unsigned int irq_mask_low, irq_mask_high;
irq_src_high &= irq_mask_high;
if (irq_src_low)
- do_IRQ(ls1bit32(irq_src_low) + irq_base, regs);
+ do_IRQ(ls1bit32(irq_src_low) + irq_base);
else
- do_IRQ(ls1bit32(irq_src_high) + irq_base + 32, regs);
+ do_IRQ(ls1bit32(irq_src_high) + irq_base + 32);
}
#define shutdown_mv64340_irq disable_mv64340_irq
* SMP cross-CPU interrupts have their own specific
* handlers).
*/
-asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs)
+asmlinkage unsigned int do_IRQ(unsigned int irq)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
irq_enter();
__DO_IRQ_SMTC_HOOK();
irq_exit();
- set_irq_regs(old_regs);
return 1;
}
return 0;
}
-asmlinkage void spurious_interrupt(struct pt_regs *regs)
+asmlinkage void spurious_interrupt(void)
{
atomic_inc(&irq_err_count);
}
extern void *vpe_get_shared(int index);
-static void rtlx_dispatch(struct pt_regs *regs)
+static void rtlx_dispatch(void)
{
- do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ, regs);
+ do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ);
}
/* Interrupt handler may be called before rtlx_init has otherwise had
a chance to run.
*/
-static irqreturn_t rtlx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t rtlx_interrupt(int irq, void *dev_id)
{
int i;
clear_c0_mvpcontrol(MVPCONTROL_VPC);
}
-static void ipi_resched_dispatch (struct pt_regs *regs)
+static void ipi_resched_dispatch(void)
{
- do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ, regs);
+ do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ);
}
-static void ipi_call_dispatch (struct pt_regs *regs)
+static void ipi_call_dispatch(void)
{
- do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_CALL_IRQ, regs);
+ do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_CALL_IRQ);
}
-irqreturn_t ipi_resched_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
{
return IRQ_HANDLED;
}
-irqreturn_t ipi_call_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
{
smp_call_function_interrupt();
{
/* set up ipi interrupts */
if (cpu_has_vint) {
- set_vi_handler (MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
- set_vi_handler (MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
+ set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
+ set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
}
cpu_ipi_resched_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ;
/* Forward declarations */
-void ipi_decode(struct pt_regs *, struct smtc_ipi *);
+void ipi_decode(struct smtc_ipi *);
void post_direct_ipi(int cpu, struct smtc_ipi *pipi);
void setup_cross_vpe_interrupts(void);
void init_smtc_stats(void);
write_tc_c0_tcrestart(__smtc_ipi_vector);
}
-void ipi_resched_interrupt(struct pt_regs *regs)
+static void ipi_resched_interrupt(void)
{
/* Return from interrupt should be enough to cause scheduler check */
}
-void ipi_call_interrupt(struct pt_regs *regs)
+static void ipi_call_interrupt(void)
{
/* Invoke generic function invocation code in smp.c */
smp_call_function_interrupt();
}
-void ipi_decode(struct pt_regs *regs, struct smtc_ipi *pipi)
+void ipi_decode(struct smtc_ipi *pipi)
{
void *arg_copy = pipi->arg;
int type_copy = pipi->type;
#ifdef SMTC_IDLE_HOOK_DEBUG
clock_hang_reported[dest_copy] = 0;
#endif /* SMTC_IDLE_HOOK_DEBUG */
- local_timer_interrupt(0, NULL, regs);
+ local_timer_interrupt(0, NULL);
break;
case LINUX_SMP_IPI:
switch ((int)arg_copy) {
case SMP_RESCHEDULE_YOURSELF:
- ipi_resched_interrupt(regs);
+ ipi_resched_interrupt();
break;
case SMP_CALL_FUNCTION:
- ipi_call_interrupt(regs);
+ ipi_call_interrupt();
break;
default:
printk("Impossible SMTC IPI Argument 0x%x\n",
}
}
-void deferred_smtc_ipi(struct pt_regs *regs)
+void deferred_smtc_ipi(void)
{
struct smtc_ipi *pipi;
unsigned long flags;
while((pipi = smtc_ipi_dq(&IPIQ[q])) != NULL) {
/* ipi_decode() should be called with interrupts off */
local_irq_save(flags);
- ipi_decode(regs, pipi);
+ ipi_decode(pipi);
local_irq_restore(flags);
}
}
static int cpu_ipi_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_IRQ;
-static irqreturn_t ipi_interrupt(int irq, void *dev_idm, struct pt_regs *regs)
+static irqreturn_t ipi_interrupt(int irq, void *dev_idm)
{
int my_vpe = cpu_data[smp_processor_id()].vpe_id;
int my_tc = cpu_data[smp_processor_id()].tc_id;
* with interrupts off
*/
local_irq_save(flags);
- ipi_decode(regs, pipi);
+ ipi_decode(pipi);
local_irq_restore(flags);
}
}
return IRQ_HANDLED;
}
-static void ipi_irq_dispatch(struct pt_regs *regs)
+static void ipi_irq_dispatch(void)
{
- do_IRQ(cpu_ipi_irq, regs);
+ do_IRQ(cpu_ipi_irq);
}
static struct irqaction irq_ipi;
*/
void local_timer_interrupt(int irq, void *dev_id)
{
- if (current->pid)
- profile_tick(CPU_PROFILING);
+ profile_tick(CPU_PROFILING);
update_process_times(user_mode(get_irq_regs()));
}
EXPORT_SYMBOL(null_perf_irq);
EXPORT_SYMBOL(perf_irq);
-asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs)
+asmlinkage void ll_timer_interrupt(int irq)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
int r2 = cpu_has_mips_r2;
irq_enter();
out:
irq_exit();
- set_irq_regs(old_regs);
}
-asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs)
+asmlinkage void ll_local_timer_interrupt(int irq)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
irq_enter();
if (smp_processor_id() != 0)
kstat_this_cpu.irqs[irq]++;
local_timer_interrupt(irq, NULL);
irq_exit();
- set_irq_regs(old_regs);
}
/*
return int_status;
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned long int_status;
unsigned int cause = read_c0_cause();
int irq;
if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
- ll_timer_interrupt(7, regs);
+ ll_timer_interrupt(7);
return;
}
if (int_status) {
irq = ls1bit32(int_status);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
}
return b;
}
-static inline void atlas_hw0_irqdispatch(struct pt_regs *regs)
+static inline void atlas_hw0_irqdispatch(void)
{
unsigned long int_status;
int irq;
DEBUG_INT("atlas_hw0_irqdispatch: irq=%d\n", irq);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
static inline int clz(unsigned long x)
* then we just return, if multiple IRQs are pending then we will just take
* another exception, big deal.
*/
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
irq = irq_ffs(pending);
if (irq == MIPSCPU_INT_ATLAS)
- atlas_hw0_irqdispatch(regs);
+ atlas_hw0_irqdispatch();
else if (irq >= 0)
- do_IRQ(MIPSCPU_INT_BASE + irq, regs);
+ do_IRQ(MIPSCPU_INT_BASE + irq);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
static inline void init_atlas_irqs (int base)
}
}
-static void mips_timer_dispatch (struct pt_regs *regs)
+static void mips_timer_dispatch(void)
{
- do_IRQ (mips_cpu_timer_irq, regs);
+ do_IRQ(mips_cpu_timer_irq);
}
/*
* Redeclare until I get around mopping the timer code insanity on MIPS.
*/
-extern int null_perf_irq(struct pt_regs *regs);
+extern int null_perf_irq(void);
-extern int (*perf_irq)(struct pt_regs *regs);
+extern int (*perf_irq)(void);
-irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t mips_timer_interrupt(int irq, void *dev_id)
{
int cpu = smp_processor_id();
* perf counter overflow, or both.
*/
if (read_c0_cause() & (1 << 26))
- perf_irq(regs);
+ perf_irq();
if (read_c0_cause() & (1 << 30)) {
/* If timer interrupt, make it de-assert */
* the tick on VPE 0 to run the full timer_interrupt().
*/
if (cpu_data[cpu].vpe_id == 0) {
- timer_interrupt(irq, NULL, regs);
+ timer_interrupt(irq, NULL);
smtc_timer_broadcast(cpu_data[cpu].vpe_id);
scroll_display_message();
} else {
write_c0_compare(read_c0_count() +
(mips_hpt_frequency/HZ));
- local_timer_interrupt(irq, dev_id, regs);
+ local_timer_interrupt(irq, dev_id);
smtc_timer_broadcast(cpu_data[cpu].vpe_id);
}
}
* timer int.
*/
if (!r2 || (read_c0_cause() & (1 << 26)))
- if (perf_irq(regs))
+ if (perf_irq())
goto out;
/* we keep interrupt disabled all the time */
if (!r2 || (read_c0_cause() & (1 << 30)))
- timer_interrupt(irq, NULL, regs);
+ timer_interrupt(irq, NULL);
scroll_display_message();
} else {
/*
* Other CPUs should do profiling and process accounting
*/
- local_timer_interrupt(irq, dev_id, regs);
+ local_timer_interrupt(irq, dev_id);
}
out:
#endif /* CONFIG_MIPS_MT_SMTC */
return irq;
}
-static void malta_hw0_irqdispatch(struct pt_regs *regs)
+static void malta_hw0_irqdispatch(void)
{
int irq;
return; /* interrupt has already been cleared */
}
- do_IRQ(MALTA_INT_BASE+irq, regs);
+ do_IRQ(MALTA_INT_BASE + irq);
}
-void corehi_irqdispatch(struct pt_regs *regs)
+static void corehi_irqdispatch(void)
{
+ unsigned int intedge, intsteer, pcicmd, pcibadaddr;
+ unsigned int pcimstat, intisr, inten, intpol;
unsigned int intrcause,datalo,datahi;
- unsigned int pcimstat, intisr, inten, intpol, intedge, intsteer, pcicmd, pcibadaddr;
+ struct pt_regs *regs;
printk("CoreHI interrupt, shouldn't happen, so we die here!!!\n");
- printk("epc : %08lx\nStatus: %08lx\nCause : %08lx\nbadVaddr : %08lx\n"
-, regs->cp0_epc, regs->cp0_status, regs->cp0_cause, regs->cp0_badvaddr);
+ printk("epc : %08lx\nStatus: %08lx\n"
+ "Cause : %08lx\nbadVaddr : %08lx\n",
+ regs->cp0_epc, regs->cp0_status,
+ regs->cp0_cause, regs->cp0_badvaddr);
/* Read all the registers and then print them as there is a
problem with interspersed printk's upsetting the Bonito controller.
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_24K:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
- ll_msc_irq(regs);
+ ll_msc_irq();
break;
case MIPS_REVISION_CORID_QED_RM5261:
case MIPS_REVISION_CORID_CORE_LV:
* another exception, big deal.
*/
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
irq = irq_ffs(pending);
if (irq == MIPSCPU_INT_I8259A)
- malta_hw0_irqdispatch(regs);
+ malta_hw0_irqdispatch();
else if (irq > 0)
- do_IRQ(MIPSCPU_INT_BASE + irq, regs);
+ do_IRQ(MIPSCPU_INT_BASE + irq);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
static struct irqaction i8259irq = {
* then we just return, if multiple IRQs are pending then we will just take
* another exception, big deal.
*/
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
irq = irq_ffs(pending);
if (irq >= 0)
- do_IRQ(MIPSCPU_INT_BASE + irq, regs);
+ do_IRQ(MIPSCPU_INT_BASE + irq);
else
spurious_interrupt(regs);
}
#endif
}
-static inline void sim_hw0_irqdispatch(struct pt_regs *regs)
-{
- do_IRQ(2, regs);
-}
-
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
irq = irq_ffs(pending);
if (irq > 0)
- do_IRQ(MIPSCPU_INT_BASE + irq, regs);
+ do_IRQ(MIPSCPU_INT_BASE + irq);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
void __init arch_init_irq(void)
unsigned long cpu_khz;
-irqreturn_t sim_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t sim_timer_interrupt(int irq, void *dev_id)
{
#ifdef CONFIG_SMP
int cpu = smp_processor_id();
*/
#ifndef CONFIG_MIPS_MT_SMTC
if (cpu == 0) {
- timer_interrupt(irq, dev_id, regs);
+ timer_interrupt(irq, dev_id);
}
else {
/* Everyone else needs to reset the timer int here as
irq_enable_hazard();
evpe(vpflags);
- if(cpu_data[cpu].vpe_id == 0) timer_interrupt(irq, dev_id, regs);
+ if(cpu_data[cpu].vpe_id == 0) timer_interrupt(irq, dev_id);
else write_c0_compare (read_c0_count() + ( mips_hpt_frequency/HZ));
smtc_timer_broadcast(cpu_data[cpu].vpe_id);
/*
* every CPU should do profiling and process accounting
*/
- local_timer_interrupt (irq, dev_id, regs);
+ local_timer_interrupt (irq, dev_id);
return IRQ_HANDLED;
#else
- return timer_interrupt (irq, dev_id, regs);
+ return timer_interrupt (irq, dev_id);
#endif
}
static int mips_cpu_timer_irq;
-static void mips_timer_dispatch (struct pt_regs *regs)
+static void mips_timer_dispatch(void)
{
- do_IRQ (mips_cpu_timer_irq, regs);
+ do_IRQ(mips_cpu_timer_irq);
}
#include <asm/mipsregs.h>
#include <asm/time.h>
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP0)
- do_IRQ(0, regs);
+ do_IRQ(0);
else if (pending & STATUSF_IP1)
- do_IRQ(1, regs);
+ do_IRQ(1);
else if (pending & STATUSF_IP2)
- do_IRQ(2, regs);
+ do_IRQ(2);
else if (pending & STATUSF_IP3)
- do_IRQ(3, regs);
+ do_IRQ(3);
else if (pending & STATUSF_IP4)
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP5)
- do_IRQ(5, regs);
+ do_IRQ(5);
else if (pending & STATUSF_IP6)
- do_IRQ(6, regs);
+ do_IRQ(6);
else if (pending & STATUSF_IP7)
- ll_timer_interrupt(7, regs);
+ ll_timer_interrupt(7);
else {
/*
* Now look at the extended interrupts
*/
pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
if (pending & STATUSF_IP8)
- ll_mv64340_irq(regs);
+ ll_mv64340_irq();
}
}
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP0)
- do_IRQ(0, regs);
+ do_IRQ(0);
else if (pending & STATUSF_IP1)
- do_IRQ(1, regs);
+ do_IRQ(1);
else if (pending & STATUSF_IP2)
- do_IRQ(2, regs);
+ do_IRQ(2);
else if (pending & STATUSF_IP3)
- do_IRQ(3, regs);
+ do_IRQ(3);
else if (pending & STATUSF_IP4)
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP5)
- do_IRQ(5, regs);
+ do_IRQ(5);
else if (pending & STATUSF_IP6)
- do_IRQ(6, regs);
+ do_IRQ(6);
else if (pending & STATUSF_IP7)
- do_IRQ(7, regs);
+ do_IRQ(7);
else {
/*
* Now look at the extended interrupts
pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
if (pending & STATUSF_IP8)
- ll_mv64340_irq(regs);
+ ll_mv64340_irq();
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
}
* Interrupt handler for interrupts coming from the FPGA chip.
* It could be built in ethernet ports etc...
*/
-void ll_cpci_irq(struct pt_regs *regs)
+void ll_cpci_irq(void)
{
unsigned int irq_src, irq_mask;
/* mask for just the interrupts we want */
irq_src &= ~irq_mask;
- do_IRQ(ls1bit8(irq_src) + CPCI_IRQ_BASE, regs);
+ do_IRQ(ls1bit8(irq_src) + CPCI_IRQ_BASE);
}
#define shutdown_cpci_irq disable_cpci_irq
no_action, IRQF_DISABLED, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL
};
-extern void ll_uart_irq(struct pt_regs *regs);
-extern void ll_cpci_irq(struct pt_regs *regs);
+extern void ll_uart_irq(void);
+extern void ll_cpci_irq(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP0)
- do_IRQ(0, regs);
+ do_IRQ(0);
else if (pending & STATUSF_IP1)
- do_IRQ(1, regs);
+ do_IRQ(1);
else if (pending & STATUSF_IP2)
- do_IRQ(2, regs);
+ do_IRQ(2);
else if (pending & STATUSF_IP3)
- ll_uart_irq(regs);
+ ll_uart_irq();
else if (pending & STATUSF_IP4)
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP5)
- ll_cpci_irq(regs);
+ ll_cpci_irq();
else if (pending & STATUSF_IP6)
ll_mv64340_irq(regs);
else if (pending & STATUSF_IP7)
- do_IRQ(7, regs);
+ do_IRQ(7);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
void __init arch_init_irq(void)
/*
* Interrupt handler for interrupts coming from the FPGA chip.
*/
-void ll_uart_irq(struct pt_regs *regs)
+void ll_uart_irq(void)
{
unsigned int irq_src, irq_mask;
/* mask for just the interrupts we want */
irq_src &= ~irq_mask;
- do_IRQ(ls1bit8(irq_src) + 74, regs);
+ do_IRQ(ls1bit8(irq_src) + 74);
}
#define shutdown_uart_irq disable_uart_irq
* we keep this particular structure in the function.
*/
-static irqreturn_t gt64240_p0int_irq(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t gt64240_p0int_irq(int irq, void *dev)
{
uint32_t irq_src, irq_src_mask;
int handled;
/* handle the timer call */
do_timer(1);
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
}
#include <asm/mipsregs.h>
#include <asm/system.h>
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP2)
- do_IRQ(2, regs);
+ do_IRQ(2);
else if (pending & STATUSF_IP3)
- do_IRQ(3, regs);
+ do_IRQ(3);
else if (pending & STATUSF_IP4)
- do_IRQ(4, regs);
+ do_IRQ(4);
else if (pending & STATUSF_IP5)
- do_IRQ(5, regs);
+ do_IRQ(5);
else if (pending & STATUSF_IP6)
- do_IRQ(6, regs);
+ do_IRQ(6);
else if (pending & STATUSF_IP7)
- do_IRQ(7, regs);
+ do_IRQ(7);
else {
/*
* Now look at the extended interrupts
pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
if (pending & STATUSF_IP8)
- do_IRQ(8, regs);
+ do_IRQ(8);
else if (pending & STATUSF_IP9)
- do_IRQ(9, regs);
+ do_IRQ(9);
else if (pending & STATUSF_IP10)
- do_IRQ(10, regs);
+ do_IRQ(10);
else if (pending & STATUSF_IP11)
- do_IRQ(11, regs);
+ do_IRQ(11);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
}
struct pt_regs;
-extern int null_perf_irq(struct pt_regs *regs);
-extern int (*perf_irq)(struct pt_regs *regs);
+extern int null_perf_irq(void);
+extern int (*perf_irq)(void);
/* Per-counter configuration as set via oprofilefs. */
struct op_counter_config {
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2004, 2005 by Ralf Baechle
+ * Copyright (C) 2004, 05, 06 by Ralf Baechle
* Copyright (C) 2005 by MIPS Technologies, Inc.
*/
#include <linux/oprofile.h>
#include <linux/interrupt.h>
#include <linux/smp.h>
+#include <asm/irq_regs.h>
#include "op_impl.h"
}
}
-static int mipsxx_perfcount_handler(struct pt_regs *regs)
+static int mipsxx_perfcount_handler(void)
{
unsigned int counters = op_model_mipsxx_ops.num_counters;
unsigned int control;
counter = r_c0_perfcntr ## n(); \
if ((control & M_PERFCTL_INTERRUPT_ENABLE) && \
(counter & M_COUNTER_OVERFLOW)) { \
- oprofile_add_sample(regs, n); \
+ oprofile_add_sample(get_irq_regs(), n); \
w_c0_perfcntr ## n(reg.counter[n]); \
handled = 1; \
}
* registered on the bridge error irq. It's conceivable that some of these
* conditions warrant a panic. Anybody care to say which ones?
*/
-static irqreturn_t macepci_error(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t macepci_error(int irq, void *dev)
{
char s;
unsigned int flags = mace->pci.error;
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
*/
+#include <linux/compiler.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/sched.h>
1 // 70
};
-static void hw0_irqdispatch(int irq, struct pt_regs *regs)
+static void hw0_irqdispatch(int irq)
{
/* find out which interrupt */
irq = PNX8550_GIC_VECTOR_0 >> 3;
printk("hw0_irqdispatch: irq 0, spurious interrupt?\n");
return;
}
- do_IRQ(PNX8550_INT_GIC_MIN + irq, regs);
+ do_IRQ(PNX8550_INT_GIC_MIN + irq);
}
-static void timer_irqdispatch(int irq, struct pt_regs *regs)
+static void timer_irqdispatch(int irq)
{
irq = (0x01c0 & read_c0_config7()) >> 6;
- if (irq == 0) {
+ if (unlikely(irq == 0)) {
printk("timer_irqdispatch: irq 0, spurious interrupt?\n");
return;
}
- if (irq & 0x1) {
- do_IRQ(PNX8550_INT_TIMER1, regs);
- }
- if (irq & 0x2) {
- do_IRQ(PNX8550_INT_TIMER2, regs);
- }
- if (irq & 0x4) {
- do_IRQ(PNX8550_INT_TIMER3, regs);
- }
+ if (irq & 0x1)
+ do_IRQ(PNX8550_INT_TIMER1);
+ if (irq & 0x2)
+ do_IRQ(PNX8550_INT_TIMER2);
+ if (irq & 0x4)
+ do_IRQ(PNX8550_INT_TIMER3);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP2)
- hw0_irqdispatch(2, regs);
+ hw0_irqdispatch(2);
else if (pending & STATUSF_IP7) {
if (read_c0_config7() & 0x01c0)
- timer_irqdispatch(7, regs);
+ timer_irqdispatch(7);
}
- spurious_interrupt(regs);
+ spurious_interrupt();
}
static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask)
#define HYPERTRANSPORT_INTC 0x7a /* INTC# */
#define HYPERTRANSPORT_INTD 0x7b /* INTD# */
-extern void jaguar_mailbox_irq(struct pt_regs *);
-
/*
* Handle hypertransport & SMP interrupts. The interrupt lines are scarce.
* For interprocessor interrupts, the best thing to do is to use the INTMSG
* register. We use the same external interrupt line, i.e. INTB3 and monitor
* another status bit
*/
-asmlinkage void ll_ht_smp_irq_handler(int irq, struct pt_regs *regs)
+static void ll_ht_smp_irq_handler(int irq)
{
u32 status = OCD_READ(RM9000x2_OCD_INTP0STATUS4);
}
#endif /* CONFIG_HT_LEVEL_TRIGGER */
- do_IRQ(irq, regs);
-}
-
-asmlinkage void do_extended_irq(struct pt_regs *regs)
-{
- unsigned int intcontrol = read_c0_intcontrol();
- unsigned int cause = read_c0_cause();
- unsigned int status = read_c0_status();
- unsigned int pending_sr, pending_ic;
-
- pending_sr = status & cause & 0xff00;
- pending_ic = (cause >> 8) & intcontrol & 0xff00;
-
- if (pending_ic & (1 << 13))
- do_IRQ(13, regs);
-
+ do_IRQ(irq);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int cause = read_c0_cause();
unsigned int status = read_c0_status();
unsigned int pending = cause & status;
if (pending & STATUSF_IP7) {
- do_IRQ(7, regs);
+ do_IRQ(7);
} else if (pending & STATUSF_IP2) {
#ifdef CONFIG_HYPERTRANSPORT
- ll_ht_smp_irq_handler(2, regs);
+ ll_ht_smp_irq_handler(2);
#else
- do_IRQ(2, regs);
+ do_IRQ(2);
#endif
} else if (pending & STATUSF_IP3) {
- do_IRQ(3, regs);
+ do_IRQ(3);
} else if (pending & STATUSF_IP4) {
- do_IRQ(4, regs);
+ do_IRQ(4);
} else if (pending & STATUSF_IP5) {
#ifdef CONFIG_SMP
- titan_mailbox_irq(regs);
+ titan_mailbox_irq();
#else
- do_IRQ(5, regs);
+ do_IRQ(5);
#endif
} else if (pending & STATUSF_IP6) {
- do_IRQ(4, regs);
+ do_IRQ(4);
}
}
register_gdb_console();
#endif
}
-
-#ifdef CONFIG_KGDB
-/*
- * The 16550 DUART has two ports, but is allocated one IRQ
- * for the serial console. Hence, a generic framework for
- * serial IRQ routing in place. Currently, just calls the
- * do_IRQ fuction. But, going in the future, need to check
- * DUART registers for channel A and B, then decide the
- * appropriate action
- */
-asmlinkage void yosemite_kgdb_irq(int irq, struct pt_regs *regs)
-{
- do_IRQ(irq, regs);
-}
-#endif
{
}
-asmlinkage void titan_mailbox_irq(struct pt_regs *regs)
+asmlinkage void titan_mailbox_irq(void)
{
int cpu = smp_processor_id();
unsigned long status;
extern asmlinkage void qemu_handle_int(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & 0x8000) {
- ll_timer_interrupt(Q_COUNT_COMPARE_IRQ, regs);
+ ll_timer_interrupt(Q_COUNT_COMPARE_IRQ);
return;
}
if (pending & 0x0400) {
int irq = i8259_irq();
if (likely(irq >= 0))
- do_IRQ(irq, regs);
+ do_IRQ(irq);
return;
}
#include <asm/system.h>
#include <asm/traps.h>
#include <asm/branch.h>
+#include <asm/irq_regs.h>
#include <asm/sgi/mc.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ioc.h>
* and then clear the interrupt when this happens.
*/
-void ip22_be_interrupt(int irq, struct pt_regs *regs)
+void ip22_be_interrupt(int irq)
{
const int field = 2 * sizeof(unsigned long);
+ const struct pt_regs *regs = get_irq_regs();
save_and_clear_buserr();
print_buserr();
return sig_str;
}
-static irqreturn_t ip22_eisa_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ip22_eisa_intr(int irq, void *dev_id)
{
u8 eisa_irq;
u8 dma1, dma2;
dma2 = inb(EISA_DMA2_STATUS);
if (eisa_irq < EISA_MAX_IRQ) {
- do_IRQ(eisa_irq, regs);
+ do_IRQ(eisa_irq);
return IRQ_HANDLED;
}
outb(0x20, EISA_INT2_CTRL);
outb(0x20, EISA_INT1_CTRL);
+
return IRQ_NONE;
}
.end = end_local3_irq,
};
-static void indy_local0_irqdispatch(struct pt_regs *regs)
+static void indy_local0_irqdispatch(void)
{
u8 mask = sgint->istat0 & sgint->imask0;
u8 mask2;
/* if irq == 0, then the interrupt has already been cleared */
if (irq)
- do_IRQ(irq, regs);
- return;
+ do_IRQ(irq);
}
-static void indy_local1_irqdispatch(struct pt_regs *regs)
+static void indy_local1_irqdispatch(void)
{
u8 mask = sgint->istat1 & sgint->imask1;
u8 mask2;
/* if irq == 0, then the interrupt has already been cleared */
if (irq)
- do_IRQ(irq, regs);
- return;
+ do_IRQ(irq);
}
-extern void ip22_be_interrupt(int irq, struct pt_regs *regs);
+extern void ip22_be_interrupt(int irq);
-static void indy_buserror_irq(struct pt_regs *regs)
+static void indy_buserror_irq(void)
{
int irq = SGI_BUSERR_IRQ;
irq_enter();
kstat_this_cpu.irqs[irq]++;
- ip22_be_interrupt(irq, regs);
+ ip22_be_interrupt(irq);
irq_exit();
}
#define SGI_INTERRUPTS SGINT_LOCAL3
#endif
-extern void indy_r4k_timer_interrupt(struct pt_regs *regs);
-extern void indy_8254timer_irq(struct pt_regs *regs);
+extern void indy_r4k_timer_interrupt(void);
+extern void indy_8254timer_irq(void);
/*
* IRQs on the INDY look basically (barring software IRQs which we don't use
* another exception, big deal.
*/
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause();
* First we check for r4k counter/timer IRQ.
*/
if (pending & CAUSEF_IP7)
- indy_r4k_timer_interrupt(regs);
+ indy_r4k_timer_interrupt();
else if (pending & CAUSEF_IP2)
- indy_local0_irqdispatch(regs);
+ indy_local0_irqdispatch();
else if (pending & CAUSEF_IP3)
- indy_local1_irqdispatch(regs);
+ indy_local1_irqdispatch();
else if (pending & CAUSEF_IP6)
- indy_buserror_irq(regs);
+ indy_buserror_irq();
else if (pending & (CAUSEF_IP4 | CAUSEF_IP5))
- indy_8254timer_irq(regs);
+ indy_8254timer_irq();
}
extern void mips_cpu_irq_init(unsigned int irq_base);
}
/* Generic SGI handler for (spurious) 8254 interrupts */
-void indy_8254timer_irq(struct pt_regs *regs)
+void indy_8254timer_irq(void)
{
int irq = SGI_8254_0_IRQ;
ULONG cnt;
irq_exit();
}
-void indy_r4k_timer_interrupt(struct pt_regs *regs)
+void indy_r4k_timer_interrupt(void)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
int irq = SGI_TIMER_IRQ;
irq_enter();
kstat_this_cpu.irqs[irq]++;
timer_interrupt(irq, NULL);
irq_exit();
- set_irq_regs(old_regs);
}
void __init plat_timer_setup(struct irqaction *irq)
* Kanoj 05.13.00
*/
-static void ip27_do_irq_mask0(struct pt_regs *regs)
+static void ip27_do_irq_mask0(void)
{
int irq, swlevel;
hubreg_t pend0, mask0;
struct slice_data *si = cpu_data[cpu].data;
irq = si->level_to_irq[swlevel];
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
LOCAL_HUB_L(PI_INT_PEND0);
}
-static void ip27_do_irq_mask1(struct pt_regs *regs)
+static void ip27_do_irq_mask1(void)
{
int irq, swlevel;
hubreg_t pend1, mask1;
/* "map" swlevel to irq */
irq = si->level_to_irq[swlevel];
LOCAL_HUB_CLR_INTR(swlevel);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
LOCAL_HUB_L(PI_INT_PEND1);
}
-static void ip27_prof_timer(struct pt_regs *regs)
+static void ip27_prof_timer(void)
{
panic("CPU %d got a profiling interrupt", smp_processor_id());
}
-static void ip27_hub_error(struct pt_regs *regs)
+static void ip27_hub_error(void)
{
panic("CPU %d got a hub error interrupt", smp_processor_id());
}
return irq;
}
-extern void ip27_rt_timer_interrupt(struct pt_regs *regs);
+extern void ip27_rt_timer_interrupt(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned long pending = read_c0_cause() & read_c0_status();
if (pending & CAUSEF_IP4)
- ip27_rt_timer_interrupt(regs);
+ ip27_rt_timer_interrupt();
else if (pending & CAUSEF_IP2) /* PI_INT_PEND_0 or CC_PEND_{A|B} */
- ip27_do_irq_mask0(regs);
+ ip27_do_irq_mask0();
else if (pending & CAUSEF_IP3) /* PI_INT_PEND_1 */
- ip27_do_irq_mask1(regs);
+ ip27_do_irq_mask1();
else if (pending & CAUSEF_IP5)
- ip27_prof_timer(regs);
+ ip27_prof_timer();
else if (pending & CAUSEF_IP6)
- ip27_hub_error(regs);
+ ip27_hub_error();
}
void __init arch_init_irq(void)
static unsigned int rt_timer_irq;
-void ip27_rt_timer_interrupt(struct pt_regs *regs)
+void ip27_rt_timer_interrupt(void)
{
int cpu = smp_processor_id();
int cpuA = cputoslice(cpu) == 0;
if (cpu == 0)
do_timer(1);
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
/*
* If we have an externally synchronized Linux clock, then update
id, rev, field, (unsigned long) CRIME_BASE);
}
-irqreturn_t
-crime_memerr_intr (unsigned int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id)
{
unsigned long stat, addr;
int fatal = 0;
return IRQ_HANDLED;
}
-irqreturn_t
-crime_cpuerr_intr (unsigned int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t crime_cpuerr_intr(unsigned int irq, void *dev_id)
{
unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;
static DEFINE_SPINLOCK(ip32_irq_lock);
/* Some initial interrupts to set up */
-extern irqreturn_t crime_memerr_intr (int irq, void *dev_id,
- struct pt_regs *regs);
-extern irqreturn_t crime_cpuerr_intr (int irq, void *dev_id,
- struct pt_regs *regs);
+extern irqreturn_t crime_memerr_intr(int irq, void *dev_id);
+extern irqreturn_t crime_cpuerr_intr(int irq, void *dev_id);
struct irqaction memerr_irq = { crime_memerr_intr, IRQF_DISABLED,
CPU_MASK_NONE, "CRIME memory error", NULL, NULL };
.end = end_mace_irq,
};
-static void ip32_unknown_interrupt(struct pt_regs *regs)
+static void ip32_unknown_interrupt(void)
{
printk ("Unknown interrupt occurred!\n");
printk ("cp0_status: %08x\n", read_c0_status());
printk ("MACE PCI control register: %08x\n", mace->pci.control);
printk("Register dump:\n");
- show_regs(regs);
+ show_regs(get_irq_regs());
printk("Please mail this report to linux-mips@linux-mips.org\n");
printk("Spinning...");
/* CRIME 1.1 appears to deliver all interrupts to this one pin. */
/* change this to loop over all edge-triggered irqs, exception masked out ones */
-static void ip32_irq0(struct pt_regs *regs)
+static void ip32_irq0(void)
{
uint64_t crime_int;
int irq = 0;
}
irq++;
DBG("*irq %u*\n", irq);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
-static void ip32_irq1(struct pt_regs *regs)
+static void ip32_irq1(void)
{
- ip32_unknown_interrupt(regs);
+ ip32_unknown_interrupt();
}
-static void ip32_irq2(struct pt_regs *regs)
+static void ip32_irq2(void)
{
- ip32_unknown_interrupt(regs);
+ ip32_unknown_interrupt();
}
-static void ip32_irq3(struct pt_regs *regs)
+static void ip32_irq3(void)
{
- ip32_unknown_interrupt(regs);
+ ip32_unknown_interrupt();
}
-static void ip32_irq4(struct pt_regs *regs)
+static void ip32_irq4(void)
{
- ip32_unknown_interrupt(regs);
+ ip32_unknown_interrupt();
}
-static void ip32_irq5(struct pt_regs *regs)
+static void ip32_irq5(void)
{
- ll_timer_interrupt(IP32_R4K_TIMER_IRQ, regs);
+ ll_timer_interrupt(IP32_R4K_TIMER_IRQ);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause();
if (likely(pending & IE_IRQ0))
- ip32_irq0(regs);
+ ip32_irq0();
else if (unlikely(pending & IE_IRQ1))
- ip32_irq1(regs);
+ ip32_irq1();
else if (unlikely(pending & IE_IRQ2))
- ip32_irq2(regs);
+ ip32_irq2();
else if (unlikely(pending & IE_IRQ3))
- ip32_irq3(regs);
+ ip32_irq3();
else if (unlikely(pending & IE_IRQ4))
- ip32_irq4(regs);
+ ip32_irq4();
else if (likely(pending & IE_IRQ5))
- ip32_irq5(regs);
+ ip32_irq5();
}
void __init arch_init_irq(void)
#include <linux/kernel_stat.h>
#include <asm/errno.h>
+#include <asm/irq_regs.h>
#include <asm/signal.h>
#include <asm/system.h>
#include <asm/ptrace.h>
}
-static irqreturn_t bcm1480_dummy_handler(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t bcm1480_dummy_handler(int irq, void *dev_id)
{
return IRQ_NONE;
}
#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
-void bcm1480_kgdb_interrupt(struct pt_regs *regs)
+static void bcm1480_kgdb_interrupt(void)
{
/*
* Clear break-change status (allow some time for the remote
mdelay(500);
duart_out(R_DUART_CMD, V_DUART_MISC_CMD_RESET_BREAK_INT |
M_DUART_RX_EN | M_DUART_TX_EN);
- set_async_breakpoint(®s->cp0_epc);
+ set_async_breakpoint(&get_irq_regs()->cp0_epc);
}
#endif /* CONFIG_KGDB */
-extern void bcm1480_timer_interrupt(struct pt_regs *regs);
-extern void bcm1480_mailbox_interrupt(struct pt_regs *regs);
-extern void bcm1480_kgdb_interrupt(struct pt_regs *regs);
+extern void bcm1480_timer_interrupt(void);
+extern void bcm1480_mailbox_interrupt(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending;
#ifdef CONFIG_SIBYTE_BCM1480_PROF
if (pending & CAUSEF_IP7) /* Cpu performance counter interrupt */
- sbprof_cpu_intr(exception_epc(regs));
+ sbprof_cpu_intr();
else
#endif
if (pending & CAUSEF_IP4)
- bcm1480_timer_interrupt(regs);
+ bcm1480_timer_interrupt();
#ifdef CONFIG_SMP
else if (pending & CAUSEF_IP3)
- bcm1480_mailbox_interrupt(regs);
+ bcm1480_mailbox_interrupt();
#endif
#ifdef CONFIG_KGDB
else if (pending & CAUSEF_IP6)
- bcm1480_kgdb_interrupt(regs); /* KGDB (uart 1) */
+ bcm1480_kgdb_interrupt(); /* KGDB (uart 1) */
#endif
else if (pending & CAUSEF_IP2) {
if (mask_h) {
if (mask_h ^ 1)
- do_IRQ(fls64(mask_h) - 1, regs);
+ do_IRQ(fls64(mask_h) - 1);
else
- do_IRQ(63 + fls64(mask_l), regs);
+ do_IRQ(63 + fls64(mask_l));
}
}
}
__raw_writeq((((u64)action)<< 48), mailbox_0_set_regs[cpu]);
}
-void bcm1480_mailbox_interrupt(struct pt_regs *regs)
+void bcm1480_mailbox_interrupt(void)
{
int cpu = smp_processor_id();
unsigned int action;
#include <asm/sibyte/sb1250.h>
-void bcm1480_timer_interrupt(struct pt_regs *regs)
+void bcm1480_timer_interrupt(void)
{
int cpu = smp_processor_id();
- int irq = K_BCM1480_INT_TIMER_0+cpu;
+ int irq = K_BCM1480_INT_TIMER_0 + cpu;
/* Reset the timer */
__raw_writeq(M_SCD_TIMER_ENABLE|M_SCD_TIMER_MODE_CONTINUOUS,
/*
* CPU 0 handles the global timer interrupt job
*/
- ll_timer_interrupt(irq, regs);
+ ll_timer_interrupt(irq);
}
else {
/*
* other CPUs should just do profiling and process accounting
*/
- ll_local_timer_interrupt(irq, regs);
+ ll_local_timer_interrupt(irq);
}
}
}
-static irqreturn_t sb1250_dummy_handler(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t sb1250_dummy_handler(int irq, void *dev_id)
{
return IRQ_NONE;
}
#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
-static void sb1250_kgdb_interrupt(struct pt_regs *regs)
+static void sb1250_kgdb_interrupt(void)
{
/*
* Clear break-change status (allow some time for the remote
mdelay(500);
duart_out(R_DUART_CMD, V_DUART_MISC_CMD_RESET_BREAK_INT |
M_DUART_RX_EN | M_DUART_TX_EN);
- set_async_breakpoint(®s->cp0_epc);
+ set_async_breakpoint(&get_irq_regs()->cp0_epc);
}
#endif /* CONFIG_KGDB */
-extern void sb1250_timer_interrupt(struct pt_regs *regs);
-extern void sb1250_mailbox_interrupt(struct pt_regs *regs);
-extern void sb1250_kgdb_interrupt(struct pt_regs *regs);
+extern void sb1250_timer_interrupt(void);
+extern void sb1250_mailbox_interrupt(void);
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending;
#ifdef CONFIG_SIBYTE_SB1250_PROF
if (pending & CAUSEF_IP7) /* Cpu performance counter interrupt */
- sbprof_cpu_intr(exception_epc(regs));
+ sbprof_cpu_intr();
else
#endif
if (pending & CAUSEF_IP4)
- sb1250_timer_interrupt(regs);
+ sb1250_timer_interrupt();
#ifdef CONFIG_SMP
else if (pending & CAUSEF_IP3)
- sb1250_mailbox_interrupt(regs);
+ sb1250_mailbox_interrupt();
#endif
#ifdef CONFIG_KGDB
else if (pending & CAUSEF_IP6) /* KGDB (uart 1) */
- sb1250_kgdb_interrupt(regs);
+ sb1250_kgdb_interrupt();
#endif
else if (pending & CAUSEF_IP2) {
mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(),
R_IMR_INTERRUPT_STATUS_BASE)));
if (mask)
- do_IRQ(fls64(mask) - 1, regs);
+ do_IRQ(fls64(mask) - 1);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
} else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
__raw_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
}
-void sb1250_mailbox_interrupt(struct pt_regs *regs)
+void sb1250_mailbox_interrupt(void)
{
int cpu = smp_processor_id();
unsigned int action;
*/
}
-void sb1250_timer_interrupt(struct pt_regs *regs)
+void sb1250_timer_interrupt(void)
{
int cpu = smp_processor_id();
int irq = K_INT_TIMER_0 + cpu;
/*
* CPU 0 handles the global timer interrupt job
*/
- ll_timer_interrupt(irq, regs);
+ ll_timer_interrupt(irq);
}
else {
/*
* other CPUs should just do profiling and process accounting
*/
- ll_local_timer_interrupt(irq, regs);
+ ll_local_timer_interrupt(irq);
}
}
* hwint0 should deal with MP agent, ASIC PCI, EISA NMI and debug
* button interrupts. Later ...
*/
-static void pciasic_hwint0(struct pt_regs *regs)
+static void pciasic_hwint0(void)
{
panic("Received int0 but no handler yet ...");
}
/* This interrupt was used for the com1 console on the first prototypes. */
-static void pciasic_hwint2(struct pt_regs *regs)
+static void pciasic_hwint2(void)
{
/* I think this shouldn't happen on production machines. */
panic("hwint2 and no handler yet");
}
/* hwint5 is the r4k count / compare interrupt */
-static void pciasic_hwint5(struct pt_regs *regs)
+static void pciasic_hwint5(void)
{
panic("hwint5 and no handler yet");
}
*
* The EISA_INT bit in CSITPEND is high active, all others are low active.
*/
-static void pciasic_hwint1(struct pt_regs *regs)
+static void pciasic_hwint1(void)
{
u8 pend = *(volatile char *)PCIMT_CSITPEND;
unsigned long flags;
if (unlikely(irq < 0))
return;
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
if (!(pend & IT_SCSI)) {
flags = read_c0_status();
clear_c0_status(ST0_IM);
- do_IRQ(PCIMT_IRQ_SCSI, regs);
+ do_IRQ(PCIMT_IRQ_SCSI);
write_c0_status(flags);
}
}
/*
* hwint 3 should deal with the PCI A - D interrupts,
*/
-static void pciasic_hwint3(struct pt_regs *regs)
+static void pciasic_hwint3(void)
{
u8 pend = *(volatile char *)PCIMT_CSITPEND;
int irq;
pend &= (IT_INTA | IT_INTB | IT_INTC | IT_INTD);
clear_c0_status(IE_IRQ3);
irq = PCIMT_IRQ_INT2 + ls1bit8(pend);
- do_IRQ(irq, regs);
+ do_IRQ(irq);
set_c0_status(IE_IRQ3);
}
/*
* hwint 4 is used for only the onboard PCnet 32.
*/
-static void pciasic_hwint4(struct pt_regs *regs)
+static void pciasic_hwint4(void)
{
clear_c0_status(IE_IRQ4);
- do_IRQ(PCIMT_IRQ_ETHERNET, regs);
+ do_IRQ(PCIMT_IRQ_ETHERNET);
set_c0_status(IE_IRQ4);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
static unsigned char led_cache;
*(volatile unsigned char *) PCIMT_CSLED = ++led_cache;
if (pending & 0x0800)
- pciasic_hwint1(regs);
+ pciasic_hwint1();
else if (pending & 0x4000)
- pciasic_hwint4(regs);
+ pciasic_hwint4();
else if (pending & 0x2000)
- pciasic_hwint3(regs);
+ pciasic_hwint3();
else if (pending & 0x1000)
- pciasic_hwint2(regs);
+ pciasic_hwint2();
else if (pending & 0x8000)
- pciasic_hwint5(regs);
+ pciasic_hwint5();
else if (pending & 0x0400)
- pciasic_hwint0(regs);
+ pciasic_hwint0();
}
void __init init_pciasic(void)
return (sw_irq);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP7) /* cpu timer */
- do_IRQ(TX4927_IRQ_CPU_TIMER, regs);
+ do_IRQ(TX4927_IRQ_CPU_TIMER);
else if (pending & STATUSF_IP2) { /* tx4927 pic */
unsigned int irq = tx4927_irq_nested();
if (unlikely(irq == 0)) {
- spurious_interrupt(regs);
+ spurious_interrupt();
return;
}
- do_IRQ(irq, regs);
+ do_IRQ(irq);
} else if (pending & STATUSF_IP0) /* user line 0 */
- do_IRQ(TX4927_IRQ_USER0, regs);
+ do_IRQ(TX4927_IRQ_USER0);
else if (pending & STATUSF_IP1) /* user line 1 */
- do_IRQ(TX4927_IRQ_USER1, regs);
+ do_IRQ(TX4927_IRQ_USER1);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
#include <asm/page.h>
#include <asm/io.h>
#include <asm/irq.h>
+#include <asm/irq_regs.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/reboot.h>
char *toshiba_name = "";
#ifdef CONFIG_PCI
-static void tx4927_pcierr_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static void tx4927_pcierr_interrupt(int irq, void *dev_id)
{
#ifdef CONFIG_BLK_DEV_IDEPCI
/* ignore MasterAbort for ide probing... */
(unsigned long) tx4927_ccfgptr->ccfg,
(unsigned long) (tx4927_ccfgptr->tear >> 32),
(unsigned long) tx4927_ccfgptr->tear);
- show_regs(regs);
+ show_regs(get_irq_regs());
}
void __init toshiba_rbtx4927_pci_irq_init(void)
irq_desc[i].depth = 1;
irq_desc[i].chip = &tx4938_irq_cp0_type;
}
-
- return;
}
static unsigned int
{
tx4938_irq_cp0_enable(irq);
- return (0);
+ return 0;
}
static void
clear_c0_status(tx4938_irq_cp0_mask(irq));
spin_unlock_irqrestore(&tx4938_cp0_lock, flags);
-
- return;
}
static void
tx4938_irq_cp0_mask_and_ack(unsigned int irq)
{
tx4938_irq_cp0_disable(irq);
-
- return;
}
static void
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4938_irq_cp0_enable(irq);
}
-
- return;
}
/**********************************************************************************/
}
}
- return (0);
+ return 0;
}
u32
return (0x00000007);
}
}
- return (0x00000000);
+ return 0x00000000;
}
static void
TX4938_WR(pic_reg, val);
mmiowb();
TX4938_RD(pic_reg);
-
- return;
}
static void __init
TX4938_WR(0xff1ff600, TX4938_RD(0xff1ff600) | 0x1); /* irq enable */
spin_unlock_irqrestore(&tx4938_pic_lock, flags);
-
- return;
}
static unsigned int
{
tx4938_irq_pic_enable(irq);
- return (0);
+ return 0;
}
static void
tx4938_irq_pic_shutdown(unsigned int irq)
{
tx4938_irq_pic_disable(irq);
-
- return;
}
static void
tx4938_irq_pic_mask(irq));
spin_unlock_irqrestore(&tx4938_pic_lock, flags);
-
- return;
}
static void
tx4938_irq_pic_mask(irq), 0);
spin_unlock_irqrestore(&tx4938_pic_lock, flags);
-
- return;
}
static void
tx4938_irq_pic_mask_and_ack(unsigned int irq)
{
tx4938_irq_pic_disable(irq);
-
- return;
}
static void
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4938_irq_pic_enable(irq);
}
-
- return;
}
/**********************************************************************************/
{
tx4938_irq_cp0_init();
tx4938_irq_pic_init();
-
- return;
}
int
}
wbflush();
- return (sw_irq);
+ return sw_irq;
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status();
if (pending & STATUSF_IP7)
- do_IRQ(TX4938_IRQ_CPU_TIMER, regs);
+ do_IRQ(TX4938_IRQ_CPU_TIMER);
else if (pending & STATUSF_IP2) {
int irq = tx4938_irq_nested();
if (irq)
- do_IRQ(irq, regs);
+ do_IRQ(irq);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
} else if (pending & STATUSF_IP1)
- do_IRQ(TX4938_IRQ_USER1, regs);
+ do_IRQ(TX4938_IRQ_USER1);
else if (pending & STATUSF_IP0)
- do_IRQ(TX4938_IRQ_USER0, regs);
+ do_IRQ(TX4938_IRQ_USER0);
}
}
static DECLARE_WAIT_QUEUE_HEAD(txx9_spi_wait);
-static void txx9_spi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+
+static void txx9_spi_interrupt(int irq, void *dev_id)
{
/* disable rx intr */
tx4938_spiptr->cr0 &= ~TXx9_SPCR0_RBSIE;
EXPORT_SYMBOL(vr41xx_set_intassign);
-static int icu_get_irq(unsigned int irq, struct pt_regs *regs)
+static int icu_get_irq(unsigned int irq)
{
uint16_t pend1, pend2;
uint16_t mask1, mask2;
#include <asm/vr41xx/irq.h>
typedef struct irq_cascade {
- int (*get_irq)(unsigned int, struct pt_regs *);
+ int (*get_irq)(unsigned int);
} irq_cascade_t;
static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned;
.name = "cascade",
};
-int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int, struct pt_regs *))
+int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
{
int retval = 0;
EXPORT_SYMBOL_GPL(cascade_irq);
-static void irq_dispatch(unsigned int irq, struct pt_regs *regs)
+static void irq_dispatch(unsigned int irq)
{
irq_cascade_t *cascade;
struct irq_desc *desc;
unsigned int source_irq = irq;
desc = irq_desc + source_irq;
desc->chip->ack(source_irq);
- irq = cascade->get_irq(irq, regs);
+ irq = cascade->get_irq(irq);
if (irq < 0)
atomic_inc(&irq_err_count);
else
- irq_dispatch(irq, regs);
+ irq_dispatch(irq);
desc->chip->end(source_irq);
} else
- do_IRQ(irq, regs);
+ do_IRQ(irq);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
if (pending & CAUSEF_IP7)
- do_IRQ(7, regs);
+ do_IRQ(7);
else if (pending & 0x7800) {
if (pending & CAUSEF_IP3)
- irq_dispatch(3, regs);
+ irq_dispatch(3);
else if (pending & CAUSEF_IP4)
- irq_dispatch(4, regs);
+ irq_dispatch(4);
else if (pending & CAUSEF_IP5)
- irq_dispatch(5, regs);
+ irq_dispatch(5);
else if (pending & CAUSEF_IP6)
- irq_dispatch(6, regs);
+ irq_dispatch(6);
} else if (pending & CAUSEF_IP2)
- irq_dispatch(2, regs);
+ irq_dispatch(2);
else if (pending & CAUSEF_IP0)
- do_IRQ(0, regs);
+ do_IRQ(0);
else if (pending & CAUSEF_IP1)
- do_IRQ(1, regs);
+ do_IRQ(1);
else
- spurious_interrupt(regs);
+ spurious_interrupt();
}
void __init arch_init_irq(void)
struct pt_regs;
-extern asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs);
+extern asmlinkage unsigned int do_IRQ(unsigned int irq);
#ifdef CONFIG_MIPS_MT_SMTC
/*
* Ideally there should be away to get this into kernel/irq/handle.c to
* avoid the overhead of a call for just a tiny function ...
*/
-#define do_IRQ(irq, regs) \
+#define do_IRQ(irq) \
do { \
irq_enter(); \
__DO_IRQ_SMTC_HOOK(); \
- __do_IRQ((irq), (regs)); \
+ __do_IRQ((irq)); \
irq_exit(); \
} while (0)
#endif
extern void arch_init_irq(void);
-extern void spurious_interrupt(struct pt_regs *regs);
+extern void spurious_interrupt(void);
#ifdef CONFIG_MIPS_MT_SMTC
struct irqaction;
-#include <asm-generic/irq_regs.h>
+/*
+ * 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.
+ *
+ * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
+ */
+#ifndef __ASM_IRQ_REGS_H
+#define __ASM_IRQ_REGS_H
+
+#define ARCH_HAS_OWN_IRQ_REGS
+
+#include <linux/thread_info.h>
+
+static inline struct pt_regs *get_irq_regs(void)
+{
+ return current_thread_info()->regs;
+}
+
+#endif /* __ASM_IRQ_REGS_H */
toshibaboards_setup_irq(int irq, struct irqaction * new);
-#ifdef CONFIG_TX_BRANCH_LIKELY_BUG_WORKAROUND
-extern void tx_branch_likely_bug_fixup(struct pt_regs *regs);
-#endif
-
extern int (*toshibaboards_gen_iack)(void);
#endif /* !__ASSEMBLY__ */
extern struct dma_chan au1000_dma_table[];
extern int request_au1000_dma(int dev_id,
const char *dev_str,
- irqreturn_t (*irqhandler)(int, void *,
- struct pt_regs *),
+ irqreturn_t (*irqhandler)(int, void *),
unsigned long irqflags,
void *irq_dev_id);
extern void free_au1000_dma(unsigned int dmanr);
unsigned long config_vreg;
};
-extern void ll_mv64340_irq(struct pt_regs *regs);
+extern void ll_mv64340_irq(void);
#endif /* __ASM_MIPS_MARVELL_H */
#define MSC01_IRQ_EDGE 1
extern void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq);
-extern void ll_msc_irq(struct pt_regs *regs);
+extern void ll_msc_irq(void);
#endif /* __ASM_MIPS_BOARDS_MSC01_IC_H */
0-0xFFFFFFFF for kernel-thread
*/
struct restart_block restart_block;
+ struct pt_regs *regs;
};
/*
/*
* the corresponding low-level timer interrupt routine.
*/
-extern asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
+extern asmlinkage void ll_timer_interrupt(int irq);
/*
* profiling and process accouting is done separately in local_timer_interrupt
*/
extern void local_timer_interrupt(int irq, void *dev_id);
-extern asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs);
+extern asmlinkage void ll_local_timer_interrupt(int irq);
/*
* board specific routines required by time_init().
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff