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Commit 9f1e5eef authored by David Mosberger's avatar David Mosberger
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Merge wailua.hpl.hp.com:/var/autofs/net/tiger/data1/bk/vanilla/linux-2.5 

into wailua.hpl.hp.com:/var/autofs/net/tiger/data1/bk/lia64/to-linus-2.5
parents cd03e0b9 1ebe34c9
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Showing with 2449 additions and 1606 deletions
arch/ia64/Makefile
View file @ 9f1e5eef
......@@ -13,7 +13,7 @@ AWK := awk
export AWK
OBJCOPYFLAGS := --strip-all
OBJCOPYFLAGS := --strip-all
LDFLAGS_vmlinux := -static -T arch/$(ARCH)/vmlinux.lds
AFLAGS_KERNEL := -mconstant-gp
EXTRA =
......@@ -26,7 +26,7 @@ CFLAGS_KERNEL := -mconstant-gp
GCC_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f1 -d'.')
ifneq ($(GCC_VERSION),2)
CFLAGS += -frename-registers --param max-inline-insns=2000
CFLAGS += -frename-registers --param max-inline-insns=5000
endif
ifeq ($(CONFIG_ITANIUM_BSTEP_SPECIFIC),y)
......
arch/ia64/boot/Makefile
View file @ 9f1e5eef
......@@ -12,8 +12,10 @@ LINKFLAGS = -static -T bootloader.lds
OBJECTS = bootloader.o
targets-$(CONFIG_IA64_HP_SIM) += bootloader
targets-$(CONFIG_IA64_GENERIC) += bootloader
targets-$(CONFIG_IA64_HP_SIM) += bootloader
targets-$(CONFIG_IA64_GENERIC) += bootloader
CFLAGS := $(CFLAGS) $(CFLAGS_KERNEL)
all: $(targets-y)
......
arch/ia64/config.in
View file @ 9f1e5eef
......@@ -64,12 +64,13 @@ if [ "$CONFIG_MCKINLEY" = "y" ]; then
fi
fi
if [ "$CONFIG_IA64_GENERIC" = "y" -o "$CONFIG_IA64_DIG" = "y" -o "$CONFIG_IA64_HP_ZX1" = "y" ]; then
if [ "$CONFIG_IA64_GENERIC" = "y" -o "$CONFIG_IA64_DIG" = "y" -o "$CONFIG_IA64_HP_ZX1" = "y" ];
then
bool ' Enable IA-64 Machine Check Abort' CONFIG_IA64_MCA
define_bool CONFIG_PM y
fi
if [ "$CONFIG_IA64_SGI_SN1" = "y" -o "$CONFIG_IA64_SGI_SN2" = "y" ]; then
if [ "$CONFIG_IA64_SGI_SN1" = "y" -o "$CONFIG_IA64_SGI_SN2" = "y" ]; then
define_bool CONFIG_IA64_SGI_SN y
bool ' Enable extra debugging code' CONFIG_IA64_SGI_SN_DEBUG
bool ' Enable SGI Medusa Simulator Support' CONFIG_IA64_SGI_SN_SIM
......@@ -99,21 +100,20 @@ tristate 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
source drivers/acpi/Config.in
source drivers/acpi/Config.in
bool 'PCI support' CONFIG_PCI
source drivers/pci/Config.in
bool 'PCI support' CONFIG_PCI
source drivers/pci/Config.in
bool 'Support for hot-pluggable devices' CONFIG_HOTPLUG
if [ "$CONFIG_HOTPLUG" = "y" ]; then
source drivers/pcmcia/Config.in
else
define_bool CONFIG_PCMCIA n
fi
source drivers/parport/Config.in
bool 'Support for hot-pluggable devices' CONFIG_HOTPLUG
if [ "$CONFIG_HOTPLUG" = "y" ]; then
source drivers/hotplug/Config.in
source drivers/pcmcia/Config.in
else
define_bool CONFIG_PCMCIA n
fi
source drivers/parport/Config.in
fi # !HP_SIM
endmenu
......@@ -123,39 +123,26 @@ if [ "$CONFIG_NET" = "y" ]; then
fi
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
source drivers/mtd/Config.in
source drivers/pnp/Config.in
source drivers/block/Config.in
source drivers/ieee1394/Config.in
source drivers/message/i2o/Config.in
source drivers/md/Config.in
source drivers/message/fusion/Config.in
source drivers/mtd/Config.in
source drivers/pnp/Config.in
source drivers/block/Config.in
source drivers/ieee1394/Config.in
source drivers/message/i2o/Config.in
source drivers/md/Config.in
source drivers/message/fusion/Config.in
mainmenu_option next_comment
comment 'ATA/ATAPI/MFM/RLL support'
tristate 'ATA/ATAPI/MFM/RLL support' CONFIG_IDE
if [ "$CONFIG_IDE" != "n" ]; then
source drivers/ide/Config.in
else
define_bool CONFIG_BLK_DEV_HD n
fi
endmenu
mainmenu_option next_comment
comment 'ATA/ATAPI/MFM/RLL support'
else # ! HP_SIM
mainmenu_option next_comment
comment 'Block devices'
tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP
dep_tristate 'Network block device support' CONFIG_BLK_DEV_NBD $CONFIG_NET
tristate 'ATA/ATAPI/MFM/RLL support' CONFIG_IDE
tristate 'RAM disk support' CONFIG_BLK_DEV_RAM
if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then
int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096
if [ "$CONFIG_IDE" != "n" ]; then
source drivers/ide/Config.in
else
define_bool CONFIG_BLK_DEV_HD n
fi
endmenu
fi
endmenu
fi # !HP_SIM
mainmenu_option next_comment
comment 'SCSI support'
......@@ -168,80 +155,83 @@ fi
endmenu
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
if [ "$CONFIG_NET" = "y" ]; then
mainmenu_option next_comment
comment 'Network device support'
bool 'Network device support' CONFIG_NETDEVICES
if [ "$CONFIG_NETDEVICES" = "y" ]; then
source drivers/net/Config.in
fi
endmenu
fi
source net/ax25/Config.in
source drivers/isdn/Config.in
if [ "$CONFIG_NET" = "y" ]; then
mainmenu_option next_comment
comment 'Network device support'
comment 'CD-ROM drivers (not for SCSI or IDE/ATAPI drives)'
bool 'Network device support' CONFIG_NETDEVICES
if [ "$CONFIG_NETDEVICES" = "y" ]; then
source drivers/net/Config.in
bool 'Support non-SCSI/IDE/ATAPI CDROM drives' CONFIG_CD_NO_IDESCSI
if [ "$CONFIG_CD_NO_IDESCSI" != "n" ]; then
source drivers/cdrom/Config.in
fi
endmenu
fi
source net/ax25/Config.in
#
# input before char - char/joystick depends on it. As does USB.
#
source drivers/input/Config.in
source drivers/char/Config.in
source drivers/isdn/Config.in
#source drivers/misc/Config.in
mainmenu_option next_comment
comment 'CD-ROM drivers (not for SCSI or IDE/ATAPI drives)'
source drivers/media/Config.in
else # HP_SIM
bool 'Support non-SCSI/IDE/ATAPI CDROM drives' CONFIG_CD_NO_IDESCSI
if [ "$CONFIG_CD_NO_IDESCSI" != "n" ]; then
source drivers/cdrom/Config.in
fi
endmenu
fi # !HP_SIM
#
# input before char - char/joystick depends on it. As does USB.
#
source drivers/input/Config.in
source drivers/char/Config.in
#source drivers/misc/Config.in
source drivers/media/Config.in
source fs/Config.in
if [ "$CONFIG_VT" = "y" ]; then
mainmenu_option next_comment
comment 'Console drivers'
bool 'VGA text console' CONFIG_VGA_CONSOLE
source drivers/video/Config.in
if [ "$CONFIG_FB" = "y" ]; then
define_bool CONFIG_PCI_CONSOLE y
comment 'Block devices'
tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP
dep_tristate 'Network block device support' CONFIG_BLK_DEV_NBD $CONFIG_NET
tristate 'RAM disk support' CONFIG_BLK_DEV_RAM
if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then
int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096
fi
endmenu
fi
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
fi # HP_SIM
mainmenu_option next_comment
comment 'Sound'
tristate 'Sound card support' CONFIG_SOUND
if [ "$CONFIG_SOUND" != "n" ]; then
source sound/Config.in
fi
endmenu
source fs/Config.in
source drivers/usb/Config.in
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
if [ "$CONFIG_VT" = "y" ]; then
mainmenu_option next_comment
comment 'Console drivers'
bool 'VGA text console' CONFIG_VGA_CONSOLE
source drivers/video/Config.in
if [ "$CONFIG_FB" = "y" ]; then
define_bool CONFIG_PCI_CONSOLE y
fi
endmenu
fi
source lib/Config.in
mainmenu_option next_comment
comment 'Sound'
source net/bluetooth/Config.in
tristate 'Sound card support' CONFIG_SOUND
if [ "$CONFIG_SOUND" != "n" ]; then
source sound/Config.in
fi
endmenu
source drivers/usb/Config.in
source lib/Config.in
source net/bluetooth/Config.in
fi # !HP_SIM
if [ "$CONFIG_IA64_HP_SIM" != "n" -o "$CONFIG_IA64_GENERIC" != "n" ]; then
source arch/ia64/hp/Config.in
source arch/ia64/hp/sim/Config.in
fi
mainmenu_option next_comment
comment 'Kernel hacking'
......
arch/ia64/hp/common/sba_iommu.c
View file @ 9f1e5eef
This diff is collapsed.
arch/ia64/hp/sim/hpsim_console.c
View file @ 9f1e5eef
......@@ -30,12 +30,12 @@ static void simcons_write (struct console *, const char *, unsigned);
static kdev_t simcons_console_device (struct console *);
struct console hpsim_cons = {
name: "simcons",
write: simcons_write,
device: simcons_console_device,
setup: simcons_init,
flags: CON_PRINTBUFFER,
index: -1,
.name = "simcons",
.write = simcons_write,
.device = simcons_console_device,
.setup = simcons_init,
.flags = CON_PRINTBUFFER,
.index = -1,
};
static int
......
arch/ia64/hp/sim/hpsim_irq.c
View file @ 9f1e5eef
......@@ -22,14 +22,14 @@ hpsim_irq_noop (unsigned int irq)
}
static struct hw_interrupt_type irq_type_hp_sim = {
typename: "hpsim",
startup: hpsim_irq_startup,
shutdown: hpsim_irq_noop,
enable: hpsim_irq_noop,
disable: hpsim_irq_noop,
ack: hpsim_irq_noop,
end: hpsim_irq_noop,
set_affinity: (void (*)(unsigned int, unsigned long)) hpsim_irq_noop,
.typename = "hpsim",
.startup = hpsim_irq_startup,
.shutdown = hpsim_irq_noop,
.enable = hpsim_irq_noop,
.disable = hpsim_irq_noop,
.ack = hpsim_irq_noop,
.end = hpsim_irq_noop,
.set_affinity = (void (*)(unsigned int, unsigned long)) hpsim_irq_noop,
};
void __init
......
arch/ia64/hp/sim/hpsim_setup.c
View file @ 9f1e5eef
/*
* Platform dependent support for HP simulator.
*
* Copyright (C) 1998, 1999 Hewlett-Packard Co
* Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
*/
#include <linux/console.h>
#include <linux/init.h>
#include <linux/kdev_t.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/param.h>
#include <linux/root_dev.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
#include <linux/console.h>
#include <linux/root_dev.h>
#include <asm/delay.h>
#include <asm/irq.h>
......@@ -55,5 +56,5 @@ hpsim_setup (char **cmdline_p)
{
ROOT_DEV = Root_SDA1; /* default to first SCSI drive */
register_console (&hpsim_cons);
register_console(&hpsim_cons);
}
arch/ia64/hp/sim/simscsi.c
View file @ 9f1e5eef
......@@ -62,7 +62,9 @@ struct disk_stat {
extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
static int desc[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
static int desc[16] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
static struct queue_entry {
Scsi_Cmnd *sc;
......@@ -148,9 +150,9 @@ simscsi_biosparam (Disk *disk, struct block_device *n, int ip[])
{
int size = disk->capacity;
ip[0] = 64;
ip[1] = 32;
ip[2] = size >> 11;
ip[0] = 64; /* heads */
ip[1] = 32; /* sectors */
ip[2] = size >> 11; /* cylinders */
return 0;
}
......@@ -229,6 +231,29 @@ simscsi_readwrite6 (Scsi_Cmnd *sc, int mode)
simscsi_readwrite(sc, mode, offset, sc->cmnd[4]*512);
}
static size_t
simscsi_get_disk_size (int fd)
{
struct disk_stat stat;
size_t bit, sectors = 0;
struct disk_req req;
char buf[512];
/*
* This is a bit kludgey: the simulator doesn't provide a direct way of determining
* the disk size, so we do a binary search, assuming a maximum disk size of 4GB.
*/
for (bit = (4UL << 30)/512; bit != 0; bit >>= 1) {
req.addr = __pa(&buf);
req.len = sizeof(buf);
ia64_ssc(fd, 1, __pa(&req), ((sectors | bit) - 1)*512, SSC_READ);
stat.fd = fd;
ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
if (stat.count == sizeof(buf))
sectors |= bit;
}
return sectors - 1; /* return last valid sector number */
}
static void
simscsi_readwrite10 (Scsi_Cmnd *sc, int mode)
......@@ -247,6 +272,7 @@ int
simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
{
char fname[MAX_ROOT_LEN+16];
size_t disk_size;
char *buf;
#if DEBUG_SIMSCSI
register long sp asm ("sp");
......@@ -258,15 +284,15 @@ simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
sc->result = DID_BAD_TARGET << 16;
sc->scsi_done = done;
if (sc->target <= 7 && sc->lun == 0) {
if (sc->target <= 15 && sc->lun == 0) {
switch (sc->cmnd[0]) {
case INQUIRY:
if (sc->request_bufflen < 35) {
break;
}
sprintf (fname, "%s%c", simscsi_root, 'a' + sc->target);
desc[sc->target] = ia64_ssc (__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
0, 0, SSC_OPEN);
desc[sc->target] = ia64_ssc(__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
0, 0, SSC_OPEN);
if (desc[sc->target] < 0) {
/* disk doesn't exist... */
break;
......@@ -319,11 +345,13 @@ simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
}
buf = sc->request_buffer;
disk_size = simscsi_get_disk_size(desc[sc->target]);
/* pretend to be a 1GB disk (partition table contains real stuff): */
buf[0] = 0x00;
buf[1] = 0x1f;
buf[2] = 0xff;
buf[3] = 0xff;
buf[0] = (disk_size >> 24) & 0xff;
buf[1] = (disk_size >> 16) & 0xff;
buf[2] = (disk_size >> 8) & 0xff;
buf[3] = (disk_size >> 0) & 0xff;
/* set block size of 512 bytes: */
buf[4] = 0;
buf[5] = 0;
......
arch/ia64/hp/sim/simserial.c
View file @ 9f1e5eef
......@@ -13,6 +13,7 @@
*
* 02/04/00 D. Mosberger Merged in serial.c bug fixes in rs_close().
* 02/25/00 D. Mosberger Synced up with 2.3.99pre-5 version of serial.c.
* 07/30/02 D. Mosberger Replace sti()/cli() with explicit spinlocks & local irq masking
*/
#include <linux/config.h>
......@@ -31,6 +32,7 @@
#include <linux/serialP.h>
#include <asm/irq.h>
#include <asm/hw_irq.h>
#include <asm/uaccess.h>
#ifdef CONFIG_KDB
......@@ -61,6 +63,7 @@ extern void ia64_ssc_connect_irq (long intr, long irq);
static char *serial_name = "SimSerial driver";
static char *serial_version = "0.6";
static spinlock_t serial_lock = SPIN_LOCK_UNLOCKED;
/*
* This has been extracted from asm/serial.h. We need one eventually but
......@@ -232,14 +235,14 @@ static void rs_put_char(struct tty_struct *tty, unsigned char ch)
if (!tty || !info->xmit.buf) return;
save_flags(flags); cli();
spin_lock_irqsave(&serial_lock, flags);
if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) == 0) {
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
return;
}
info->xmit.buf[info->xmit.head] = ch;
info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
}
static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
......@@ -247,7 +250,7 @@ static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
int count;
unsigned long flags;
save_flags(flags); cli();
spin_lock_irqsave(&serial_lock, flags);
if (info->x_char) {
char c = info->x_char;
......@@ -290,7 +293,7 @@ static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
info->xmit.tail += count;
}
out:
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
}
static void rs_flush_chars(struct tty_struct *tty)
......@@ -314,7 +317,6 @@ static int rs_write(struct tty_struct * tty, int from_user,
if (!tty || !info->xmit.buf || !tmp_buf) return 0;
save_flags(flags);
if (from_user) {
down(&tmp_buf_sem);
while (1) {
......@@ -331,21 +333,26 @@ static int rs_write(struct tty_struct * tty, int from_user,
ret = -EFAULT;
break;
}
cli();
c1 = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
if (c1 < c)
c = c1;
memcpy(info->xmit.buf + info->xmit.head, tmp_buf, c);
info->xmit.head = ((info->xmit.head + c) &
(SERIAL_XMIT_SIZE-1));
restore_flags(flags);
spin_lock_irqsave(&serial_lock, flags);
{
c1 = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail,
SERIAL_XMIT_SIZE);
if (c1 < c)
c = c1;
memcpy(info->xmit.buf + info->xmit.head, tmp_buf, c);
info->xmit.head = ((info->xmit.head + c) &
(SERIAL_XMIT_SIZE-1));
}
spin_unlock_irqrestore(&serial_lock, flags);
buf += c;
count -= c;
ret += c;
}
up(&tmp_buf_sem);
} else {
cli();
spin_lock_irqsave(&serial_lock, flags);
while (1) {
c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
if (count < c)
......@@ -360,7 +367,7 @@ static int rs_write(struct tty_struct * tty, int from_user,
count -= c;
ret += c;
}
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
}
/*
* Hey, we transmit directly from here in our case
......@@ -391,9 +398,9 @@ static void rs_flush_buffer(struct tty_struct *tty)
struct async_struct *info = (struct async_struct *)tty->driver_data;
unsigned long flags;
save_flags(flags); cli();
spin_lock_irqsave(&serial_lock, flags);
info->xmit.head = info->xmit.tail = 0;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
wake_up_interruptible(&tty->write_wait);
......@@ -566,44 +573,45 @@ static void shutdown(struct async_struct * info)
state->irq);
#endif
save_flags(flags); cli(); /* Disable interrupts */
spin_lock_irqsave(&serial_lock, flags);
{
/*
* First unlink the serial port from the IRQ chain...
*/
if (info->next_port)
info->next_port->prev_port = info->prev_port;
if (info->prev_port)
info->prev_port->next_port = info->next_port;
else
IRQ_ports[state->irq] = info->next_port;
/*
* First unlink the serial port from the IRQ chain...
*/
if (info->next_port)
info->next_port->prev_port = info->prev_port;
if (info->prev_port)
info->prev_port->next_port = info->next_port;
else
IRQ_ports[state->irq] = info->next_port;
/*
* Free the IRQ, if necessary
*/
if (state->irq && (!IRQ_ports[state->irq] ||
!IRQ_ports[state->irq]->next_port)) {
if (IRQ_ports[state->irq]) {
free_irq(state->irq, NULL);
retval = request_irq(state->irq, rs_interrupt_single,
IRQ_T(info), "serial", NULL);
if (retval)
printk("serial shutdown: request_irq: error %d"
" Couldn't reacquire IRQ.\n", retval);
} else
free_irq(state->irq, NULL);
}
/*
* Free the IRQ, if necessary
*/
if (state->irq && (!IRQ_ports[state->irq] ||
!IRQ_ports[state->irq]->next_port)) {
if (IRQ_ports[state->irq]) {
free_irq(state->irq, NULL);
retval = request_irq(state->irq, rs_interrupt_single,
IRQ_T(info), "serial", NULL);
if (info->xmit.buf) {
free_page((unsigned long) info->xmit.buf);
info->xmit.buf = 0;
}
if (retval)
printk("serial shutdown: request_irq: error %d"
" Couldn't reacquire IRQ.\n", retval);
} else
free_irq(state->irq, NULL);
}
if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
if (info->xmit.buf) {
free_page((unsigned long) info->xmit.buf);
info->xmit.buf = 0;
info->flags &= ~ASYNC_INITIALIZED;
}
if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
info->flags &= ~ASYNC_INITIALIZED;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
}
/*
......@@ -626,14 +634,13 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
state = info->state;
save_flags(flags); cli();
spin_lock_irqsave(&serial_lock, flags);
if (tty_hung_up_p(filp)) {
#ifdef SIMSERIAL_DEBUG
printk("rs_close: hung_up\n");
#endif
MOD_DEC_USE_COUNT;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
return;
}
#ifdef SIMSERIAL_DEBUG
......@@ -658,11 +665,11 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
}
if (state->count) {
MOD_DEC_USE_COUNT;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
return;
}
info->flags |= ASYNC_CLOSING;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
/*
* Now we wait for the transmit buffer to clear; and we notify
......@@ -770,7 +777,7 @@ startup(struct async_struct *info)
if (!page)
return -ENOMEM;
save_flags(flags); cli();
spin_lock_irqsave(&serial_lock, flags);
if (info->flags & ASYNC_INITIALIZED) {
free_page(page);
......@@ -851,11 +858,11 @@ startup(struct async_struct *info)
}
info->flags |= ASYNC_INITIALIZED;
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
return 0;
errout:
restore_flags(flags);
spin_unlock_irqrestore(&serial_lock, flags);
return retval;
}
......
arch/ia64/hp/zx1/hpzx1_machvec.c
View file @ 9f1e5eef
#define MACHVEC_PLATFORM_NAME hpzx1
#include <asm/machvec_init.h>
#define MACHVEC_PLATFORM_NAME hpzx1
#include <asm/machvec_init.h>
arch/ia64/hp/zx1/hpzx1_misc.c
View file @ 9f1e5eef
......@@ -27,6 +27,7 @@
#include "../drivers/acpi/include/acstruct.h"
#include "../drivers/acpi/include/acnamesp.h"
#include "../drivers/acpi/include/acutils.h"
#include "../drivers/acpi/acpi_bus.h"
#define PFX "hpzx1: "
......@@ -109,7 +110,7 @@ static int hp_cfg_write##sz (struct pci_dev *dev, int where, u##bits value) \
\
switch (where) { \
case PCI_BASE_ADDRESS_0: \
if (value == ~0) \
if (value == (u##bits) ~0) \
fake_dev->sizing = 1; \
break; \
default: \
......@@ -177,7 +178,7 @@ hpzx1_fake_pci_dev(unsigned long addr, unsigned int bus, unsigned int size)
* Drivers should ioremap what they need, but we have to do
* it here, too, so PCI config accesses work.
*/
dev->mapped_csrs = ioremap(dev->csr_base, dev->csr_size);
dev->mapped_csrs = (unsigned long) ioremap(dev->csr_base, dev->csr_size);
return dev;
}
......@@ -303,7 +304,7 @@ hpzx1_lba_probe(acpi_handle obj, u32 depth, void *context, void **ret)
if ((dev = hpzx1_fake_pci_dev(csr_base, busnum, csr_length)))
printk(KERN_INFO PFX "%s LBA at 0x%lx, _BBN 0x%02x; "
"pci dev %02x:%02x.%d\n",
name, csr_base, busnum, dev->bus,
name, csr_base, (unsigned int) busnum, dev->bus,
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
return AE_OK;
......
arch/ia64/ia32/binfmt_elf32.c
View file @ 9f1e5eef
......@@ -67,7 +67,7 @@ ia32_install_shared_page (struct vm_area_struct *vma, unsigned long address, int
}
static struct vm_operations_struct ia32_shared_page_vm_ops = {
nopage: ia32_install_shared_page
.nopage =ia32_install_shared_page
};
void
......
arch/ia64/ia32/ia32_ioctl.c
View file @ 9f1e5eef
......@@ -30,6 +30,8 @@
#include <asm/ia32.h>
#include <../drivers/char/drm/drm.h>
#include <../drivers/char/drm/mga_drm.h>
#include <../drivers/char/drm/i810_drm.h>
#define IOCTL_NR(a) ((a) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT))
......
arch/ia64/kernel/acpi.c
View file @ 9f1e5eef
This diff is collapsed.
arch/ia64/kernel/efi.c
View file @ 9f1e5eef
......@@ -125,9 +125,79 @@ efi_gettimeofday (struct timeval *tv)
tv->tv_usec = tm.nanosecond / 1000;
}
static int
is_available_memory (efi_memory_desc_t *md)
{
if (!(md->attribute & EFI_MEMORY_WB))
return 0;
switch (md->type) {
case EFI_LOADER_CODE:
case EFI_LOADER_DATA:
case EFI_BOOT_SERVICES_CODE:
case EFI_BOOT_SERVICES_DATA:
case EFI_CONVENTIONAL_MEMORY:
return 1;
}
return 0;
}
/*
* Trim descriptor MD so its starts at address START_ADDR. If the descriptor covers
* memory that is normally available to the kernel, issue a warning that some memory
* is being ignored.
*/
static void
trim_bottom (efi_memory_desc_t *md, u64 start_addr)
{
u64 num_skipped_pages;
if (md->phys_addr >= start_addr || !md->num_pages)
return;
num_skipped_pages = (start_addr - md->phys_addr) >> EFI_PAGE_SHIFT;
if (num_skipped_pages > md->num_pages)
num_skipped_pages = md->num_pages;
if (is_available_memory(md))
printk(KERN_NOTICE "efi.%s: ignoring %luKB of memory at 0x%lx due to granule hole "
"at 0x%lx\n", __FUNCTION__,
(num_skipped_pages << EFI_PAGE_SHIFT) >> 10,
md->phys_addr, start_addr - IA64_GRANULE_SIZE);
/*
* NOTE: Don't set md->phys_addr to START_ADDR because that could cause the memory
* descriptor list to become unsorted. In such a case, md->num_pages will be
* zero, so the Right Thing will happen.
*/
md->phys_addr += num_skipped_pages << EFI_PAGE_SHIFT;
md->num_pages -= num_skipped_pages;
}
static void
trim_top (efi_memory_desc_t *md, u64 end_addr)
{
u64 num_dropped_pages, md_end_addr;
md_end_addr = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT);
if (md_end_addr <= end_addr || !md->num_pages)
return;
num_dropped_pages = (md_end_addr - end_addr) >> EFI_PAGE_SHIFT;
if (num_dropped_pages > md->num_pages)
num_dropped_pages = md->num_pages;
if (is_available_memory(md))
printk(KERN_NOTICE "efi.%s: ignoring %luKB of memory at 0x%lx due to granule hole "
"at 0x%lx\n", __FUNCTION__,
(num_dropped_pages << EFI_PAGE_SHIFT) >> 10,
md->phys_addr, end_addr);
md->num_pages -= num_dropped_pages;
}
/*
* Walks the EFI memory map and calls CALLBACK once for each EFI
* memory descriptor that has memory that is available for OS use.
* Walks the EFI memory map and calls CALLBACK once for each EFI memory descriptor that
* has memory that is available for OS use.
*/
void
efi_memmap_walk (efi_freemem_callback_t callback, void *arg)
......@@ -137,9 +207,9 @@ efi_memmap_walk (efi_freemem_callback_t callback, void *arg)
u64 start;
u64 end;
} prev, curr;
void *efi_map_start, *efi_map_end, *p;
efi_memory_desc_t *md;
u64 efi_desc_size, start, end;
void *efi_map_start, *efi_map_end, *p, *q;
efi_memory_desc_t *md, *check_md;
u64 efi_desc_size, start, end, granule_addr, first_non_wb_addr = 0;
efi_map_start = __va(ia64_boot_param->efi_memmap);
efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size;
......@@ -147,24 +217,56 @@ efi_memmap_walk (efi_freemem_callback_t callback, void *arg)
for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
md = p;
switch (md->type) {
case EFI_LOADER_CODE:
case EFI_LOADER_DATA:
case EFI_BOOT_SERVICES_CODE:
case EFI_BOOT_SERVICES_DATA:
case EFI_CONVENTIONAL_MEMORY:
if (!(md->attribute & EFI_MEMORY_WB))
continue;
/* skip over non-WB memory descriptors; that's all we're interested in... */
if (!(md->attribute & EFI_MEMORY_WB))
continue;
if (md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) > first_non_wb_addr) {
/*
* Search for the next run of contiguous WB memory. Start search
* at first granule boundary covered by md.
*/
granule_addr = ((md->phys_addr + IA64_GRANULE_SIZE - 1)
& -IA64_GRANULE_SIZE);
first_non_wb_addr = granule_addr;
for (q = p; q < efi_map_end; q += efi_desc_size) {
check_md = q;
if (check_md->attribute & EFI_MEMORY_WB)
trim_bottom(md, granule_addr);
if (check_md->phys_addr < granule_addr)
continue;
if (!(check_md->attribute & EFI_MEMORY_WB))
break; /* hit a non-WB region; stop search */
if (check_md->phys_addr != first_non_wb_addr)
break; /* hit a memory hole; stop search */
first_non_wb_addr += check_md->num_pages << EFI_PAGE_SHIFT;
}
/* round it down to the previous granule-boundary: */
first_non_wb_addr &= -IA64_GRANULE_SIZE;
if (!(first_non_wb_addr > granule_addr))
continue; /* couldn't find enough contiguous memory */
}
/* BUG_ON((md->phys_addr >> IA64_GRANULE_SHIFT) < first_non_wb_addr); */
trim_top(md, first_non_wb_addr);
if (is_available_memory(md)) {
if (md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) > mem_limit) {
if (md->phys_addr > mem_limit)
continue;
md->num_pages = (mem_limit - md->phys_addr) >> EFI_PAGE_SHIFT;
}
if (md->num_pages == 0) {
printk("efi_memmap_walk: ignoring empty region at 0x%lx",
md->phys_addr);
if (md->num_pages == 0)
continue;
}
curr.start = PAGE_OFFSET + md->phys_addr;
curr.end = curr.start + (md->num_pages << EFI_PAGE_SHIFT);
......@@ -187,10 +289,6 @@ efi_memmap_walk (efi_freemem_callback_t callback, void *arg)
prev = curr;
}
}
break;
default:
continue;
}
}
if (prev_valid) {
......@@ -268,8 +366,9 @@ efi_map_pal_code (void)
*/
psr = ia64_clear_ic();
ia64_itr(0x1, IA64_TR_PALCODE, vaddr & mask,
pte_val(pfn_pte(md->phys_addr >> PAGE_SHIFT, PAGE_KERNEL)), IA64_GRANULE_SHIFT);
ia64_set_psr(psr);
pte_val(pfn_pte(md->phys_addr >> PAGE_SHIFT, PAGE_KERNEL)),
IA64_GRANULE_SHIFT);
ia64_set_psr(psr); /* restore psr */
ia64_srlz_i();
}
}
......@@ -376,7 +475,7 @@ efi_init (void)
md = p;
printk("mem%02u: type=%u, attr=0x%lx, range=[0x%016lx-0x%016lx) (%luMB)\n",
i, md->type, md->attribute, md->phys_addr,
md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1,
md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
md->num_pages >> (20 - EFI_PAGE_SHIFT));
}
}
......
arch/ia64/kernel/entry.S
View file @ 9f1e5eef
......@@ -175,6 +175,7 @@ GLOBAL_ENTRY(ia64_switch_to)
(p6) srlz.d
ld8 sp=[r21] // load kernel stack pointer of new task
mov IA64_KR(CURRENT)=r20 // update "current" application register
mov r8=r13 // return pointer to previously running task
mov r13=in0 // set "current" pointer
;;
DO_LOAD_SWITCH_STACK
......
arch/ia64/kernel/ia64_ksyms.c
View file @ 9f1e5eef
......@@ -88,12 +88,6 @@ EXPORT_SYMBOL(ia64_cpu_to_sapicid);
#include <asm/smplock.h>
EXPORT_SYMBOL(kernel_flag);
/* #include <asm/system.h> */
EXPORT_SYMBOL(__global_sti);
EXPORT_SYMBOL(__global_cli);
EXPORT_SYMBOL(__global_save_flags);
EXPORT_SYMBOL(__global_restore_flags);
#else /* !CONFIG_SMP */
EXPORT_SYMBOL(__flush_tlb_all);
......
arch/ia64/kernel/init_task.c
View file @ 9f1e5eef
......@@ -34,8 +34,8 @@ union init_thread {
} s;
unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)];
} init_thread_union __attribute__((section(".data.init_task"))) = {{
task: INIT_TASK(init_thread_union.s.task),
thread_info: INIT_THREAD_INFO(init_thread_union.s.thread_info)
.task = INIT_TASK(init_thread_union.s.task),
.thread_info = INIT_THREAD_INFO(init_thread_union.s.thread_info)
}};
asm (".global init_task; init_task = init_thread_union");
arch/ia64/kernel/iosapic.c
View file @ 9f1e5eef
......@@ -88,7 +88,7 @@ static struct {
static struct iosapic_irq {
char *addr; /* base address of IOSAPIC */
unsigned char base_irq; /* first irq assigned to this IOSAPIC */
unsigned int base_irq; /* first irq assigned to this IOSAPIC */
char pin; /* IOSAPIC pin (-1 => not an IOSAPIC irq) */
unsigned char dmode : 3; /* delivery mode (see iosapic.h) */
unsigned char polarity : 1; /* interrupt polarity (see iosapic.h) */
......@@ -97,9 +97,9 @@ static struct iosapic_irq {
static struct iosapic {
char *addr; /* base address of IOSAPIC */
unsigned char pcat_compat; /* 8259 compatibility flag */
unsigned char base_irq; /* first irq assigned to this IOSAPIC */
unsigned int base_irq; /* first irq assigned to this IOSAPIC */
unsigned short max_pin; /* max input pin supported in this IOSAPIC */
unsigned char pcat_compat; /* 8259 compatibility flag */
} iosapic_lists[256] __initdata;
static int num_iosapic = 0;
......@@ -322,14 +322,14 @@ iosapic_end_level_irq (unsigned int irq)
#define iosapic_ack_level_irq nop
struct hw_interrupt_type irq_type_iosapic_level = {
typename: "IO-SAPIC-level",
startup: iosapic_startup_level_irq,
shutdown: iosapic_shutdown_level_irq,
enable: iosapic_enable_level_irq,
disable: iosapic_disable_level_irq,
ack: iosapic_ack_level_irq,
end: iosapic_end_level_irq,
set_affinity: iosapic_set_affinity
.typename = "IO-SAPIC-level",
.startup = iosapic_startup_level_irq,
.shutdown = iosapic_shutdown_level_irq,
.enable = iosapic_enable_level_irq,
.disable = iosapic_disable_level_irq,
.ack = iosapic_ack_level_irq,
.end = iosapic_end_level_irq,
.set_affinity = iosapic_set_affinity
};
/*
......@@ -366,14 +366,14 @@ iosapic_ack_edge_irq (unsigned int irq)
#define iosapic_end_edge_irq nop
struct hw_interrupt_type irq_type_iosapic_edge = {
typename: "IO-SAPIC-edge",
startup: iosapic_startup_edge_irq,
shutdown: iosapic_disable_edge_irq,
enable: iosapic_enable_edge_irq,
disable: iosapic_disable_edge_irq,
ack: iosapic_ack_edge_irq,
end: iosapic_end_edge_irq,
set_affinity: iosapic_set_affinity
.typename = "IO-SAPIC-edge",
.startup = iosapic_startup_edge_irq,
.shutdown = iosapic_disable_edge_irq,
.enable = iosapic_enable_edge_irq,
.disable = iosapic_disable_edge_irq,
.ack = iosapic_ack_edge_irq,
.end = iosapic_end_edge_irq,
.set_affinity = iosapic_set_affinity
};
unsigned int
......@@ -422,6 +422,7 @@ register_irq (u32 global_vector, int vector, int pin, unsigned char delivery,
irq_desc_t *idesc;
struct hw_interrupt_type *irq_type;
gsi_to_vector(global_vector) = vector;
iosapic_irq[vector].pin = pin;
iosapic_irq[vector].polarity = polarity ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW;
iosapic_irq[vector].dmode = delivery;
......@@ -640,7 +641,7 @@ iosapic_init_pci_irq (void)
unsigned int irq;
char *addr;
if (0 != acpi_get_prt(&pci_irq.route, &pci_irq.num_routes))
if (acpi_get_prt(&pci_irq.route, &pci_irq.num_routes))
return;
for (i = 0; i < pci_irq.num_routes; i++) {
......@@ -679,11 +680,10 @@ iosapic_init_pci_irq (void)
pci_irq.route[i].bus, pci_irq.route[i].pci_id>>16, pci_irq.route[i].pin,
iosapic_irq[vector].base_irq + iosapic_irq[vector].pin, vector);
#endif
/*
* Forget not to program the IOSAPIC RTE per ACPI _PRT
* NOTE: The IOSAPIC RTE will be programmed in iosapic_pci_fixup(). It
* needs to be done there to ensure PCI hotplug works right.
*/
set_rte(vector, (ia64_get_lid() >> 16) & 0xffff);
}
}
......
arch/ia64/kernel/irq.c
View file @ 9f1e5eef
......@@ -200,277 +200,12 @@ int show_interrupts(struct seq_file *p, void *v)
return 0;
}
/*
* Global interrupt locks for SMP. Allow interrupts to come in on any
* CPU, yet make cli/sti act globally to protect critical regions..
*/
#ifdef CONFIG_SMP
unsigned int global_irq_holder = NO_PROC_ID;
unsigned volatile long global_irq_lock; /* pedantic: long for set_bit --RR */
extern void show_stack(unsigned long* esp);
static void show(char * str)
{
int i;
int cpu = smp_processor_id();
printk("\n%s, CPU %d:\n", str, cpu);
printk("irq: %d [",irqs_running());
for(i=0;i < NR_CPUS;i++)
printk(" %d",irq_count(i));
printk(" ]\nbh: %d [",spin_is_locked(&global_bh_lock) ? 1 : 0);
for(i=0;i < NR_CPUS;i++)
printk(" %d",bh_count(i));
printk(" ]\nStack dumps:");
#if defined(CONFIG_IA64)
/*
* We can't unwind the stack of another CPU without access to
* the registers of that CPU. And sending an IPI when we're
* in a potentially wedged state doesn't sound like a smart
* idea.
*/
#elif defined(CONFIG_X86)
for(i=0;i< NR_CPUS;i++) {
unsigned long esp;
if(i==cpu)
continue;
printk("\nCPU %d:",i);
esp = init_tss[i].esp0;
if(esp==NULL) {
/* tss->esp0 is set to NULL in cpu_init(),
* it's initialized when the cpu returns to user
* space. -- manfreds
*/
printk(" <unknown> ");
continue;
}
esp &= ~(THREAD_SIZE-1);
esp += sizeof(struct task_struct);
show_stack((void*)esp);
}
#else
You lose...
#endif
printk("\nCPU %d:",cpu);
show_stack(NULL);
printk("\n");
}
#define MAXCOUNT 100000000
/*
* I had a lockup scenario where a tight loop doing
* spin_unlock()/spin_lock() on CPU#1 was racing with
* spin_lock() on CPU#0. CPU#0 should have noticed spin_unlock(), but
* apparently the spin_unlock() information did not make it
* through to CPU#0 ... nasty, is this by design, do we have to limit
* 'memory update oscillation frequency' artificially like here?
*
* Such 'high frequency update' races can be avoided by careful design, but
* some of our major constructs like spinlocks use similar techniques,
* it would be nice to clarify this issue. Set this define to 0 if you
* want to check whether your system freezes. I suspect the delay done
* by SYNC_OTHER_CORES() is in correlation with 'snooping latency', but
* i thought that such things are guaranteed by design, since we use
* the 'LOCK' prefix.
*/
#define SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 0
#if SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND
# define SYNC_OTHER_CORES(x) udelay(x+1)
#else
/*
* We have to allow irqs to arrive between local_irq_enable and local_irq_disable
*/
# ifdef CONFIG_IA64
# define SYNC_OTHER_CORES(x) __asm__ __volatile__ ("nop 0")
# else
# define SYNC_OTHER_CORES(x) __asm__ __volatile__ ("nop")
# endif
#endif
static inline void wait_on_irq(void)
{
int count = MAXCOUNT;
for (;;) {
/*
* Wait until all interrupts are gone. Wait
* for bottom half handlers unless we're
* already executing in one..
*/
if (!irqs_running())
if (really_local_bh_count() || !spin_is_locked(&global_bh_lock))
break;
/* Duh, we have to loop. Release the lock to avoid deadlocks */
smp_mb__before_clear_bit(); /* need barrier before releasing lock... */
clear_bit(0,&global_irq_lock);
for (;;) {
if (!--count) {
show("wait_on_irq");
count = ~0;
}
local_irq_enable();
SYNC_OTHER_CORES(smp_processor_id());
local_irq_disable();
if (irqs_running())
continue;
if (global_irq_lock)
continue;
if (!really_local_bh_count() && spin_is_locked(&global_bh_lock))
continue;
if (!test_and_set_bit(0,&global_irq_lock))
break;
}
}
}
/*
* This is called when we want to synchronize with
* interrupts. We may for example tell a device to
* stop sending interrupts: but to make sure there
* are no interrupts that are executing on another
* CPU we need to call this function.
*/
void synchronize_irq(void)
{
if (irqs_running()) {
/* Stupid approach */
cli();
sti();
}
}
static inline void get_irqlock(void)
{
if (test_and_set_bit(0,&global_irq_lock)) {
/* do we already hold the lock? */
if (smp_processor_id() == global_irq_holder)
return;
/* Uhhuh.. Somebody else got it. Wait.. */
do {
do {
#ifdef CONFIG_X86
rep_nop();
#endif
} while (test_bit(0,&global_irq_lock));
} while (test_and_set_bit(0,&global_irq_lock));
}
/*
* We also to make sure that nobody else is running
* in an interrupt context.
*/
wait_on_irq();
/*
* Ok, finally..
*/
global_irq_holder = smp_processor_id();
}
#define EFLAGS_IF_SHIFT 9
/*
* A global "cli()" while in an interrupt context
* turns into just a local cli(). Interrupts
* should use spinlocks for the (very unlikely)
* case that they ever want to protect against
* each other.
*
* If we already have local interrupts disabled,
* this will not turn a local disable into a
* global one (problems with spinlocks: this makes
* save_flags+cli+sti usable inside a spinlock).
*/
void __global_cli(void)
{
unsigned int flags;
#ifdef CONFIG_IA64
local_save_flags(flags);
if (flags & IA64_PSR_I) {
local_irq_disable();
if (!really_local_irq_count())
get_irqlock();
}
#else
local_save_flags(flags);
if (flags & (1 << EFLAGS_IF_SHIFT)) {
local_irq_disable();
if (!really_local_irq_count())
get_irqlock();
}
#endif
}
void __global_sti(void)
{
if (!really_local_irq_count())
release_irqlock(smp_processor_id());
local_irq_enable();
}
/*
* SMP flags value to restore to:
* 0 - global cli
* 1 - global sti
* 2 - local cli
* 3 - local sti
*/
unsigned long __global_save_flags(void)
{
int retval;
int local_enabled;
unsigned long flags;
int cpu = smp_processor_id();
local_save_flags(flags);
#ifdef CONFIG_IA64
local_enabled = (flags & IA64_PSR_I) != 0;
#else
local_enabled = (flags >> EFLAGS_IF_SHIFT) & 1;
#endif
/* default to local */
retval = 2 + local_enabled;
/* check for global flags if we're not in an interrupt */
if (!really_local_irq_count()) {
if (local_enabled)
retval = 1;
if (global_irq_holder == cpu)
retval = 0;
}
return retval;
}
void __global_restore_flags(unsigned long flags)
#if CONFIG_SMP
inline void synchronize_irq(unsigned int irq)
{
switch (flags) {
case 0:
__global_cli();
break;
case 1:
__global_sti();
break;
case 2:
local_irq_disable();
break;
case 3:
local_irq_enable();
break;
default:
printk("global_restore_flags: %08lx (%08lx)\n",
flags, (&flags)[-1]);
}
while (irq_desc(irq)->status & IRQ_INPROGRESS)
cpu_relax();
}
#endif
/*
......@@ -482,11 +217,7 @@ void __global_restore_flags(unsigned long flags)
*/
int handle_IRQ_event(unsigned int irq, struct pt_regs * regs, struct irqaction * action)
{
int status;
local_irq_enter(irq);
status = 1; /* Force the "do bottom halves" bit */
int status = 1; /* Force the "do bottom halves" bit */
if (!(action->flags & SA_INTERRUPT))
local_irq_enable();
......@@ -500,11 +231,16 @@ int handle_IRQ_event(unsigned int irq, struct pt_regs * regs, struct irqaction *
add_interrupt_randomness(irq);
local_irq_disable();
local_irq_exit(irq);
return status;
}
/*
* Generic enable/disable code: this just calls
* down into the PIC-specific version for the actual
* hardware disable after having gotten the irq
* controller lock.
*/
/**
* disable_irq_nosync - disable an irq without waiting
* @irq: Interrupt to disable
......@@ -546,14 +282,7 @@ inline void disable_irq_nosync(unsigned int irq)
void disable_irq(unsigned int irq)
{
disable_irq_nosync(irq);
#ifdef CONFIG_SMP
if (!really_local_irq_count()) {
do {
barrier();
} while (irq_desc(irq)->status & IRQ_INPROGRESS);
}
#endif
synchronize_irq(irq);
}
/**
......@@ -616,6 +345,7 @@ unsigned int do_IRQ(unsigned long irq, struct pt_regs *regs)
struct irqaction * action;
unsigned int status;
irq_enter();
kstat.irqs[cpu][irq]++;
if (desc->status & IRQ_PER_CPU) {
......@@ -682,6 +412,7 @@ unsigned int do_IRQ(unsigned long irq, struct pt_regs *regs)
desc->handler->end(irq);
spin_unlock(&desc->lock);
}
irq_exit();
return 1;
}
......@@ -811,7 +542,7 @@ void free_irq(unsigned int irq, void *dev_id)
#ifdef CONFIG_SMP
/* Wait to make sure it's not being used on another CPU */
while (desc->status & IRQ_INPROGRESS)
barrier();
synchronize_irq(irq);
#endif
kfree(action);
return;
......@@ -864,7 +595,7 @@ unsigned long probe_irq_on(void)
/* Wait for longstanding interrupts to trigger. */
for (delay = jiffies + HZ/50; time_after(delay, jiffies); )
/* about 20ms delay */ synchronize_irq();
/* about 20ms delay */ barrier();
/*
* enable any unassigned irqs
......@@ -887,7 +618,7 @@ unsigned long probe_irq_on(void)
* Wait for spurious interrupts to trigger
*/
for (delay = jiffies + HZ/10; time_after(delay, jiffies); )
/* about 100ms delay */ synchronize_irq();
/* about 100ms delay */ barrier();
/*
* Now filter out any obviously spurious interrupts
......
arch/ia64/kernel/irq_ia64.c
View file @ 9f1e5eef
......@@ -36,6 +36,10 @@
#include <asm/pgtable.h>
#include <asm/system.h>
#ifdef CONFIG_PERFMON
# include <asm/perfmon.h>
#endif
#define IRQ_DEBUG 0
/* default base addr of IPI table */
......@@ -50,6 +54,11 @@ __u8 isa_irq_to_vector_map[16] = {
0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21
};
/*
* GSI to IA-64 vector translation table.
*/
__u8 gsi_to_vector_map[255];
int
ia64_alloc_irq (void)
{
......@@ -144,9 +153,9 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
extern void handle_IPI (int irq, void *dev_id, struct pt_regs *regs);
static struct irqaction ipi_irqaction = {
handler: handle_IPI,
flags: SA_INTERRUPT,
name: "IPI"
.handler = handle_IPI,
.flags = SA_INTERRUPT,
.name = "IPI"
};
#endif
......@@ -172,6 +181,9 @@ init_IRQ (void)
register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
#ifdef CONFIG_SMP
register_percpu_irq(IA64_IPI_VECTOR, &ipi_irqaction);
#endif
#ifdef CONFIG_PERFMON
perfmon_init_percpu();
#endif
platform_irq_init();
}
......
arch/ia64/kernel/irq_lsapic.c
View file @ 9f1e5eef
......@@ -27,12 +27,12 @@ lsapic_noop (unsigned int irq)
}
struct hw_interrupt_type irq_type_ia64_lsapic = {
typename: "LSAPIC",
startup: lsapic_noop_startup,
shutdown: lsapic_noop,
enable: lsapic_noop,
disable: lsapic_noop,
ack: lsapic_noop,
end: lsapic_noop,
set_affinity: (void (*)(unsigned int, unsigned long)) lsapic_noop
.typename = "LSAPIC",
.startup = lsapic_noop_startup,
.shutdown = lsapic_noop,
.enable = lsapic_noop,
.disable = lsapic_noop,
.ack = lsapic_noop,
.end = lsapic_noop,
.set_affinity = (void (*)(unsigned int, unsigned long)) lsapic_noop
};
arch/ia64/kernel/machvec.c
View file @ 9f1e5eef
......@@ -11,13 +11,16 @@
struct ia64_machine_vector ia64_mv;
/*
* Most platforms use this routine for mapping page frame addresses
* into a memory map index.
* Most platforms use this routine for mapping page frame addresses into a memory map
* index.
*
* Note: we can't use __pa() because map_nr_dense(X) MUST map to something >= max_mapnr if
* X is outside the identity mapped kernel space.
*/
unsigned long
map_nr_dense (unsigned long addr)
{
return MAP_NR_DENSE(addr);
return (addr - PAGE_OFFSET) >> PAGE_SHIFT;
}
static struct ia64_machine_vector *
......
arch/ia64/kernel/mca.c
View file @ 9f1e5eef
......@@ -82,27 +82,27 @@ extern void ia64_slave_init_handler (void);
extern struct hw_interrupt_type irq_type_iosapic_level;
static struct irqaction cmci_irqaction = {
handler: ia64_mca_cmc_int_handler,
flags: SA_INTERRUPT,
name: "cmc_hndlr"
.handler = ia64_mca_cmc_int_handler,
.flags = SA_INTERRUPT,
.name = "cmc_hndlr"
};
static struct irqaction mca_rdzv_irqaction = {
handler: ia64_mca_rendez_int_handler,
flags: SA_INTERRUPT,
name: "mca_rdzv"
.handler = ia64_mca_rendez_int_handler,
.flags = SA_INTERRUPT,
.name = "mca_rdzv"
};
static struct irqaction mca_wkup_irqaction = {
handler: ia64_mca_wakeup_int_handler,
flags: SA_INTERRUPT,
name: "mca_wkup"
.handler = ia64_mca_wakeup_int_handler,
.flags = SA_INTERRUPT,
.name = "mca_wkup"
};
static struct irqaction mca_cpe_irqaction = {
handler: ia64_mca_cpe_int_handler,
flags: SA_INTERRUPT,
name: "cpe_hndlr"
.handler = ia64_mca_cpe_int_handler,
.flags = SA_INTERRUPT,
.name = "cpe_hndlr"
};
/*
......@@ -626,9 +626,12 @@ ia64_mca_wakeup_all(void)
void
ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *ptregs)
{
int flags, cpu = 0;
unsigned long flags;
int cpu = 0;
/* Mask all interrupts */
save_and_cli(flags);
#warning XXX fix me: this used to be: save_and_cli(flags);
local_irq_save(flags);
#ifdef CONFIG_SMP
cpu = cpu_logical_id(hard_smp_processor_id());
......@@ -646,7 +649,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *ptregs)
ia64_mca_wakeup_ipi_wait();
/* Enable all interrupts */
restore_flags(flags);
local_irq_restore(flags);
}
......
arch/ia64/kernel/mca_asm.S
View file @ 9f1e5eef
......@@ -684,9 +684,9 @@ ia64_os_mca_tlb_error_check:
movl r3=SAL_GET_STATE_INFO;;
DATA_VA_TO_PA(r7);; // convert to physical address
ld8 r8=[r7],8;; // get pdesc function pointer
DATA_VA_TO_PA(r8) // convert to physical address
dep r8=0,r8,61,3;; // convert SAL VA to PA
ld8 r1=[r7];; // set new (ia64_sal) gp
DATA_VA_TO_PA(r1) // convert to physical address
dep r1=0,r1,61,3;; // convert SAL VA to PA
mov b6=r8
alloc r5=ar.pfs,8,0,8,0;; // allocate stack frame for SAL call
......
arch/ia64/kernel/pci.c
View file @ 9f1e5eef
......@@ -165,7 +165,7 @@ struct pci_ops pci_sal_ops = {
*/
struct pci_bus *
pcibios_scan_root(int seg, int bus)
pcibios_scan_root(int bus)
{
struct list_head *list = NULL;
struct pci_bus *pci_bus = NULL;
......@@ -174,12 +174,12 @@ pcibios_scan_root(int seg, int bus)
pci_bus = pci_bus_b(list);
if (pci_bus->number == bus) {
/* Already scanned */
printk("PCI: Bus (%02x:%02x) already probed\n", seg, bus);
printk("PCI: Bus (%02x) already probed\n", bus);
return pci_bus;
}
}
printk("PCI: Probing PCI hardware on bus (%02x:%02x)\n", seg, bus);
printk("PCI: Probing PCI hardware on bus (%02x)\n", bus);
return pci_scan_bus(bus, pci_root_ops, NULL);
}
......@@ -265,12 +265,37 @@ pcibios_fixup_pbus_ranges (struct pci_bus * bus, struct pbus_set_ranges_data * r
int
pcibios_enable_device (struct pci_dev *dev)
{
u16 cmd, old_cmd;
int idx;
struct resource *r;
if (!dev)
return -EINVAL;
/* Not needed, since we enable all devices at startup. */
pci_read_config_word(dev, PCI_COMMAND, &cmd);
old_cmd = cmd;
for (idx=0; idx<6; idx++) {
r = &dev->resource[idx];
if (!r->start && r->end) {
printk(KERN_ERR
"PCI: Device %s not available because of resource collisions\n",
dev->slot_name);
return -EINVAL;
}
if (r->flags & IORESOURCE_IO)
cmd |= PCI_COMMAND_IO;
if (r->flags & IORESOURCE_MEM)
cmd |= PCI_COMMAND_MEMORY;
}
if (dev->resource[PCI_ROM_RESOURCE].start)
cmd |= PCI_COMMAND_MEMORY;
if (cmd != old_cmd) {
printk("PCI: Enabling device %s (%04x -> %04x)\n", dev->slot_name, old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
printk(KERN_INFO "PCI: Found IRQ %d for device %s\n", dev->irq, dev->slot_name);
return 0;
}
......
arch/ia64/kernel/perfmon.c
View file @ 9f1e5eef
This diff is collapsed.
arch/ia64/kernel/perfmon_itanium.h 0 → 100644
View file @ 9f1e5eef
/*
* This file contains the Itanium PMU register description tables
* and pmc checker used by perfmon.c.
*
* Copyright (C) 2002 Hewlett Packard Co
* Stephane Eranian <eranian@hpl.hp.com>
*/
#define RDEP(x) (1UL<<(x))
#ifndef CONFIG_ITANIUM
#error "This file is only valid when CONFIG_ITANIUM is defined"
#endif
static int pfm_ita_pmc_check(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs);
static int pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, struct pt_regs *regs);
static pfm_reg_desc_t pmc_desc[256]={
/* pmc0 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc1 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc2 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc3 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc4 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(4),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc5 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(5),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc6 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(6),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc7 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(7),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc8 */ { PFM_REG_CONFIG, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc9 */ { PFM_REG_CONFIG, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc10 */ { PFM_REG_MONITOR, 6, NULL, NULL, {RDEP(0)|RDEP(1),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc11 */ { PFM_REG_MONITOR, 6, NULL, pfm_ita_pmc_check, {RDEP(2)|RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc12 */ { PFM_REG_MONITOR, 6, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc13 */ { PFM_REG_CONFIG, 0, NULL, pfm_ita_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
{ PFM_REG_NONE, 0, NULL, NULL, {0,}, {0,}}, /* end marker */
};
static pfm_reg_desc_t pmd_desc[256]={
/* pmd0 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(1),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}},
/* pmd1 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(0),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}},
/* pmd2 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
/* pmd3 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(2)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
/* pmd4 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(4),0UL, 0UL, 0UL}},
/* pmd5 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(5),0UL, 0UL, 0UL}},
/* pmd6 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(6),0UL, 0UL, 0UL}},
/* pmd7 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(7),0UL, 0UL, 0UL}},
/* pmd8 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd9 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd10 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd11 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd12 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd13 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd14 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd15 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd16 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd17 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(2)|RDEP(3),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
{ PFM_REG_NONE, 0, NULL, NULL, {0,}, {0,}}, /* end marker */
};
static int
pfm_ita_pmc_check(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs)
{
pfm_context_t *ctx = task->thread.pfm_context;
int ret;
/*
* we must clear the (instruction) debug registers if pmc13.ta bit is cleared
* before they are written (fl_using_dbreg==0) to avoid picking up stale information.
*/
if (cnum == 13 && ((*val & 0x1) == 0UL) && ctx->ctx_fl_using_dbreg == 0) {
/* don't mix debug with perfmon */
if ((task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
/*
* a count of 0 will mark the debug registers as in use and also
* ensure that they are properly cleared.
*/
ret = pfm_write_ibr_dbr(1, task, NULL, 0, regs);
if (ret) return ret;
}
/*
* we must clear the (data) debug registers if pmc11.pt bit is cleared
* before they are written (fl_using_dbreg==0) to avoid picking up stale information.
*/
if (cnum == 11 && ((*val >> 28)& 0x1) == 0 && ctx->ctx_fl_using_dbreg == 0) {
/* don't mix debug with perfmon */
if ((task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
/*
* a count of 0 will mark the debug registers as in use and also
* ensure that they are properly cleared.
*/
ret = pfm_write_ibr_dbr(0, task, NULL, 0, regs);
if (ret) return ret;
}
return 0;
}
arch/ia64/kernel/perfmon_mckinley.h 0 → 100644
View file @ 9f1e5eef
/*
* This file contains the McKinley PMU register description tables
* and pmc checker used by perfmon.c.
*
* Copyright (C) 2002 Hewlett Packard Co
* Stephane Eranian <eranian@hpl.hp.com>
*/
#define RDEP(x) (1UL<<(x))
#ifndef CONFIG_MCKINLEY
#error "This file is only valid when CONFIG_MCKINLEY is defined"
#endif
static int pfm_mck_pmc_check(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs);
static int pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, struct pt_regs *regs);
static pfm_reg_desc_t pmc_desc[256]={
/* pmc0 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc1 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc2 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc3 */ { PFM_REG_CONTROL, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc4 */ { PFM_REG_COUNTING, 6, NULL, pfm_mck_pmc_check, {RDEP(4),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc5 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(5),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc6 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(6),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc7 */ { PFM_REG_COUNTING, 6, NULL, NULL, {RDEP(7),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc8 */ { PFM_REG_CONFIG, 0, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc9 */ { PFM_REG_CONFIG, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc10 */ { PFM_REG_MONITOR, 4, NULL, NULL, {RDEP(0)|RDEP(1),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc11 */ { PFM_REG_MONITOR, 6, NULL, NULL, {RDEP(2)|RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc12 */ { PFM_REG_MONITOR, 6, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc13 */ { PFM_REG_CONFIG, 0, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc14 */ { PFM_REG_CONFIG, 0, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
/* pmc15 */ { PFM_REG_CONFIG, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}},
{ PFM_REG_NONE, 0, NULL, NULL, {0,}, {0,}}, /* end marker */
};
static pfm_reg_desc_t pmd_desc[256]={
/* pmd0 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(1),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}},
/* pmd1 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(0),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}},
/* pmd2 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
/* pmd3 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(2)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
/* pmd4 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(4),0UL, 0UL, 0UL}},
/* pmd5 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(5),0UL, 0UL, 0UL}},
/* pmd6 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(6),0UL, 0UL, 0UL}},
/* pmd7 */ { PFM_REG_COUNTING, 0, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(7),0UL, 0UL, 0UL}},
/* pmd8 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd9 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd10 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd11 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd12 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd13 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd14 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd15 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd16 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}},
/* pmd17 */ { PFM_REG_BUFFER, 0, NULL, NULL, {RDEP(2)|RDEP(3),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}},
{ PFM_REG_NONE, 0, NULL, NULL, {0,}, {0,}}, /* end marker */
};
static int
pfm_mck_pmc_check(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs)
{
struct thread_struct *th = &task->thread;
pfm_context_t *ctx = task->thread.pfm_context;
int ret = 0, check_case1 = 0;
unsigned long val8 = 0, val14 = 0, val13 = 0;
/*
* we must clear the debug registers if any pmc13.ena_dbrpX bit is enabled
* before they are written (fl_using_dbreg==0) to avoid picking up stale information.
*/
if (cnum == 13 && (*val & (0xfUL << 45)) && ctx->ctx_fl_using_dbreg == 0) {
/* don't mix debug with perfmon */
if ((task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
/*
* a count of 0 will mark the debug registers as in use and also
* ensure that they are properly cleared.
*/
ret = pfm_write_ibr_dbr(1, task, NULL, 0, regs);
if (ret) return ret;
}
/*
* we must clear the (instruction) debug registers if any pmc14.ibrpX bit is enabled
* before they are (fl_using_dbreg==0) to avoid picking up stale information.
*/
if (cnum == 14 && ((*val & 0x2222) != 0x2222) && ctx->ctx_fl_using_dbreg == 0) {
/* don't mix debug with perfmon */
if ((task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
/*
* a count of 0 will mark the debug registers as in use and also
* ensure that they are properly cleared.
*/
ret = pfm_write_ibr_dbr(0, task, NULL, 0, regs);
if (ret) return ret;
}
switch(cnum) {
case 4: *val |= 1UL << 23; /* force power enable bit */
break;
case 8: val8 = *val;
val13 = th->pmc[13];
val14 = th->pmc[14];
check_case1 = 1;
break;
case 13: val8 = th->pmc[8];
val13 = *val;
val14 = th->pmc[14];
check_case1 = 1;
break;
case 14: val8 = th->pmc[13];
val13 = th->pmc[13];
val14 = *val;
check_case1 = 1;
break;
}
/* check illegal configuration which can produce inconsistencies in tagging
* i-side events in L1D and L2 caches
*/
if (check_case1) {
ret = ((val13 >> 45) & 0xf) == 0
&& ((val8 & 0x1) == 0)
&& ((((val14>>1) & 0x3) == 0x2 || ((val14>>1) & 0x3) == 0x0)
||(((val14>>4) & 0x3) == 0x2 || ((val14>>4) & 0x3) == 0x0));
if (ret) printk("perfmon: failure check_case1\n");
}
return ret ? -EINVAL : 0;
}
arch/ia64/kernel/process.c
View file @ 9f1e5eef
......@@ -325,6 +325,11 @@ copy_thread (int nr, unsigned long clone_flags,
/* copy parts of thread_struct: */
p->thread.ksp = (unsigned long) child_stack - 16;
/* stop some PSR bits from being inherited: */
child_ptregs->cr_ipsr = ((child_ptregs->cr_ipsr | IA64_PSR_BITS_TO_SET)
& ~IA64_PSR_BITS_TO_CLEAR);
/*
* NOTE: The calling convention considers all floating point
* registers in the high partition (fph) to be scratch. Since
......
arch/ia64/kernel/setup.c
View file @ 9f1e5eef
......@@ -436,7 +436,7 @@ static void *
c_start (struct seq_file *m, loff_t *pos)
{
#ifdef CONFIG_SMP
while (*pos < NR_CPUS && !(cpu_online_map & (1 << *pos)))
while (*pos < NR_CPUS && !(cpu_online_map & (1UL << *pos)))
++*pos;
#endif
return *pos < NR_CPUS ? cpu_data(*pos) : NULL;
......@@ -455,10 +455,10 @@ c_stop (struct seq_file *m, void *v)
}
struct seq_operations cpuinfo_op = {
start: c_start,
next: c_next,
stop: c_stop,
show: show_cpuinfo
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo
};
void
......@@ -542,7 +542,18 @@ cpu_init (void)
extern char __per_cpu_end[];
int cpu = smp_processor_id();
my_cpu_data = alloc_bootmem_pages(__per_cpu_end - __per_cpu_start);
if (__per_cpu_end - __per_cpu_start > PAGE_SIZE)
panic("Per-cpu data area too big! (%Zu > %Zu)",
__per_cpu_end - __per_cpu_start, PAGE_SIZE);
/*
* On the BSP, the page allocator isn't initialized by the time we get here. On
* the APs, the bootmem allocator is no longer available...
*/
if (cpu == 0)
my_cpu_data = alloc_bootmem_pages(__per_cpu_end - __per_cpu_start);
else
my_cpu_data = (void *) get_free_page(GFP_KERNEL);
memcpy(my_cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
__per_cpu_offset[cpu] = (char *) my_cpu_data - __per_cpu_start;
my_cpu_info = my_cpu_data + ((char *) &cpu_info - __per_cpu_start);
......
arch/ia64/kernel/signal.c
View file @ 9f1e5eef
......@@ -146,6 +146,7 @@ copy_siginfo_to_user (siginfo_t *to, siginfo_t *from)
if (from->si_code < 0) {
if (__copy_to_user(to, from, sizeof(siginfo_t)))
return -EFAULT;
return 0;
} else {
int err;
......
arch/ia64/kernel/smpboot.c
View file @ 9f1e5eef
/*
* SMP boot-related support
*
* Copyright (C) 2001 David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 1998-2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*
* 01/05/16 Rohit Seth <rohit.seth@intel.com> Moved SMP booting functions from smp.c to here.
* 01/04/27 David Mosberger <davidm@hpl.hp.com> Added ITC synching code.
* 02/07/31 David Mosberger <davidm@hpl.hp.com> Switch over to hotplug-CPU boot-sequence.
* smp_boot_cpus()/smp_commence() is replaced by
* smp_prepare_cpus()/__cpu_up()/smp_cpus_done().
*/
......@@ -66,18 +70,16 @@ static volatile unsigned long go[SLAVE + 1];
#define DEBUG_ITC_SYNC 0
extern void __init calibrate_delay(void);
extern void start_ap(void);
extern void __init calibrate_delay (void);
extern void start_ap (void);
extern unsigned long ia64_iobase;
int cpucount;
task_t *task_for_booting_cpu;
/* Setup configured maximum number of CPUs to activate */
static int max_cpus = -1;
/* Bitmask of currently online CPUs */
volatile unsigned long cpu_online_map;
unsigned long phys_cpu_present_map;
/* which logical CPU number maps to which CPU (physical APIC ID) */
volatile int ia64_cpu_to_sapicid[NR_CPUS];
......@@ -86,44 +88,12 @@ static volatile unsigned long cpu_callin_map;
struct smp_boot_data smp_boot_data __initdata;
/* Set when the idlers are all forked */
volatile int smp_threads_ready;
unsigned long ap_wakeup_vector = -1; /* External Int use to wakeup APs */
char __initdata no_int_routing;
unsigned char smp_int_redirect; /* are INT and IPI redirectable by the chipset? */
/*
* Setup routine for controlling SMP activation
*
* Command-line option of "nosmp" or "maxcpus=0" will disable SMP
* activation entirely (the MPS table probe still happens, though).
*
* Command-line option of "maxcpus=<NUM>", where <NUM> is an integer
* greater than 0, limits the maximum number of CPUs activated in
* SMP mode to <NUM>.
*/
static int __init
nosmp (char *str)
{
max_cpus = 0;
return 1;
}
__setup("nosmp", nosmp);
static int __init
maxcpus (char *str)
{
get_option(&str, &max_cpus);
return 1;
}
__setup("maxcpus=", maxcpus);
static int __init
nointroute (char *str)
{
......@@ -299,7 +269,7 @@ smp_setup_percpu_timer (void)
static volatile atomic_t smp_commenced = ATOMIC_INIT(0);
void __init
static void __init
smp_commence (void)
{
/*
......@@ -308,7 +278,7 @@ smp_commence (void)
Dprintk("Setting commenced=1, go go go\n");
wmb();
atomic_set(&smp_commenced,1);
atomic_set(&smp_commenced, 1);
}
......@@ -405,6 +375,9 @@ do_boot_cpu (int sapicid)
int timeout, cpu;
cpu = ++cpucount;
set_bit(cpu, &phys_cpu_present_map);
/*
* We can't use kernel_thread since we must avoid to
* reschedule the child.
......@@ -425,7 +398,7 @@ do_boot_cpu (int sapicid)
task_for_booting_cpu = idle;
Dprintk("Sending wakeup vector %u to AP 0x%x/0x%x.\n", ap_wakeup_vector, cpu, sapicid);
Dprintk("Sending wakeup vector %lu to AP 0x%x/0x%x.\n", ap_wakeup_vector, cpu, sapicid);
platform_send_ipi(cpu, ap_wakeup_vector, IA64_IPI_DM_INT, 0);
......@@ -466,8 +439,8 @@ smp_tune_scheduling (void)
/*
* Cycle through the APs sending Wakeup IPIs to boot each.
*/
void __init
smp_boot_cpus (void)
static void __init
smp_boot_cpus (unsigned int max_cpus)
{
int sapicid, cpu;
int boot_cpu_id = hard_smp_processor_id();
......@@ -486,13 +459,13 @@ smp_boot_cpus (void)
*/
set_bit(0, &cpu_online_map);
set_bit(0, &cpu_callin_map);
set_bit(0, &phys_cpu_present_map);
local_cpu_data->loops_per_jiffy = loops_per_jiffy;
ia64_cpu_to_sapicid[0] = boot_cpu_id;
printk("Boot processor id 0x%x/0x%x\n", 0, boot_cpu_id);
global_irq_holder = NO_PROC_ID;
current_thread_info()->cpu = 0;
smp_tune_scheduling();
......@@ -537,11 +510,11 @@ smp_boot_cpus (void)
printk("Before bogomips.\n");
if (!cpucount) {
printk(KERN_ERR "Error: only one processor found.\n");
printk(KERN_WARNING "Warning: only one processor found.\n");
} else {
unsigned long bogosum = 0;
for (cpu = 0; cpu < NR_CPUS; cpu++)
if (cpu_online_map & (1<<cpu))
if (cpu_online_map & (1UL << cpu))
bogosum += cpu_data(cpu)->loops_per_jiffy;
printk(KERN_INFO"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
......@@ -552,6 +525,29 @@ smp_boot_cpus (void)
;
}
void __init
smp_prepare_cpus (unsigned int max_cpus)
{
smp_boot_cpus(max_cpus);
}
int __devinit
__cpu_up (unsigned int cpu)
{
/*
* Yeah, that's cheesy, but it will do until there is real hotplug support and in
* the meantime, this gives time for the interface changes to settle down...
*/
smp_commence();
return 0;
}
void __init
smp_cpus_done (unsigned int max_cpus)
{
/* nuthing... */
}
/*
* Assume that CPU's have been discovered by some platform-dependant interface. For
* SoftSDV/Lion, that would be ACPI.
......@@ -571,9 +567,6 @@ init_smp_config(void)
ap_startup = (struct fptr *) start_ap;
sal_ret = ia64_sal_set_vectors(SAL_VECTOR_OS_BOOT_RENDEZ,
__pa(ap_startup->fp), __pa(ap_startup->gp), 0, 0, 0, 0);
if (sal_ret < 0) {
printk("SMP: Can't set SAL AP Boot Rendezvous: %s\n Forcing UP mode\n",
ia64_sal_strerror(sal_ret));
max_cpus = 0;
}
if (sal_ret < 0)
printk("SMP: Can't set SAL AP Boot Rendezvous: %s\n", ia64_sal_strerror(sal_ret));
}
arch/ia64/kernel/sys_ia64.c
View file @ 9f1e5eef
......@@ -82,7 +82,6 @@ asmlinkage unsigned long
ia64_shmat (int shmid, void *shmaddr, int shmflg, long arg3, long arg4, long arg5, long arg6,
long arg7, long stack)
{
extern int sys_shmat (int shmid, char *shmaddr, int shmflg, ulong *raddr);
struct pt_regs *regs = (struct pt_regs *) &stack;
unsigned long raddr;
int retval;
......@@ -120,7 +119,7 @@ ia64_brk (unsigned long brk, long arg1, long arg2, long arg3,
/* Always allow shrinking brk. */
if (brk <= mm->brk) {
if (!do_munmap(mm, newbrk, oldbrk-newbrk))
if (!do_munmap(mm, newbrk, oldbrk-newbrk, 1))
goto set_brk;
goto out;
}
......@@ -138,10 +137,6 @@ ia64_brk (unsigned long brk, long arg1, long arg2, long arg3,
if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE))
goto out;
/* Check if we have enough memory.. */
if (!vm_enough_memory((newbrk-oldbrk) >> PAGE_SHIFT))
goto out;
/* Ok, looks good - let it rip. */
if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk)
goto out;
......
arch/ia64/kernel/time.c
View file @ 9f1e5eef
......@@ -41,21 +41,22 @@ do_profile (unsigned long ip)
extern unsigned long prof_cpu_mask;
extern char _stext;
if (!prof_buffer)
return;
if (!((1UL << smp_processor_id()) & prof_cpu_mask))
return;
if (prof_buffer && current->pid) {
ip -= (unsigned long) &_stext;
ip >>= prof_shift;
/*
* Don't ignore out-of-bounds IP values silently, put them into the last
* histogram slot, so if present, they will show up as a sharp peak.
*/
if (ip > prof_len - 1)
ip = prof_len - 1;
ip -= (unsigned long) &_stext;
ip >>= prof_shift;
/*
* Don't ignore out-of-bounds IP values silently, put them into the last
* histogram slot, so if present, they will show up as a sharp peak.
*/
if (ip > prof_len - 1)
ip = prof_len - 1;
atomic_inc((atomic_t *) &prof_buffer[ip]);
}
atomic_inc((atomic_t *) &prof_buffer[ip]);
}
/*
......@@ -285,9 +286,9 @@ ia64_init_itm (void)
}
static struct irqaction timer_irqaction = {
handler: timer_interrupt,
flags: SA_INTERRUPT,
name: "timer"
.handler = timer_interrupt,
.flags = SA_INTERRUPT,
.name = "timer"
};
void __init
......
arch/ia64/kernel/traps.c
View file @ 9f1e5eef
......@@ -62,27 +62,26 @@ trap_init (void)
void
bust_spinlocks (int yes)
{
int loglevel_save = console_loglevel;
spin_lock_init(&timerlist_lock);
if (yes) {
oops_in_progress = 1;
#ifdef CONFIG_SMP
global_irq_lock = 0; /* Many serial drivers do __global_cli() */
#endif
} else {
int loglevel_save = console_loglevel;
return;
}
#ifdef CONFIG_VT
unblank_screen();
unblank_screen();
#endif
oops_in_progress = 0;
/*
* OK, the message is on the console. Now we call printk() without
* oops_in_progress set so that printk will give klogd a poke. Hold onto
* your hats...
*/
console_loglevel = 15; /* NMI oopser may have shut the console up */
printk(" ");
console_loglevel = loglevel_save;
}
oops_in_progress = 0;
/*
* OK, the message is on the console. Now we call printk() without
* oops_in_progress set so that printk will give klogd a poke. Hold onto
* your hats...
*/
console_loglevel = 15; /* NMI oopser may have shut the console up */
printk(" ");
console_loglevel = loglevel_save;
}
void
......@@ -93,9 +92,9 @@ die (const char *str, struct pt_regs *regs, long err)
int lock_owner;
int lock_owner_depth;
} die = {
lock: SPIN_LOCK_UNLOCKED,
lock_owner: -1,
lock_owner_depth: 0
.lock = SPIN_LOCK_UNLOCKED,
.lock_owner = -1,
.lock_owner_depth = 0
};
if (die.lock_owner != smp_processor_id()) {
......@@ -435,7 +434,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
unsigned long code, error = isr;
struct siginfo siginfo;
char buf[128];
int result;
int result, sig;
static const char *reason[] = {
"IA-64 Illegal Operation fault",
"IA-64 Privileged Operation fault",
......@@ -479,6 +478,30 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
break;
case 26: /* NaT Consumption */
if (user_mode(regs)) {
if (((isr >> 4) & 0xf) == 2) {
/* NaT page consumption */
sig = SIGSEGV;
code = SEGV_ACCERR;
} else {
/* register NaT consumption */
sig = SIGILL;
code = ILL_ILLOPN;
}
siginfo.si_signo = sig;
siginfo.si_code = code;
siginfo.si_errno = 0;
siginfo.si_addr = (void *) (regs->cr_iip + ia64_psr(regs)->ri);
siginfo.si_imm = vector;
siginfo.si_flags = __ISR_VALID;
siginfo.si_isr = isr;
force_sig_info(sig, &siginfo, current);
return;
} else if (done_with_exception(regs))
return;
sprintf(buf, "NaT consumption");
break;
case 31: /* Unsupported Data Reference */
if (user_mode(regs)) {
siginfo.si_signo = SIGILL;
......@@ -491,7 +514,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
force_sig_info(SIGILL, &siginfo, current);
return;
}
sprintf(buf, (vector == 26) ? "NaT consumption" : "Unsupported data reference");
sprintf(buf, "Unsupported data reference");
break;
case 29: /* Debug */
......@@ -508,16 +531,15 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
if (ia64_psr(regs)->is == 0)
ifa = regs->cr_iip;
#endif
siginfo.si_addr = (void *) ifa;
break;
case 35: siginfo.si_code = TRAP_BRANCH; break;
case 36: siginfo.si_code = TRAP_TRACE; break;
case 35: siginfo.si_code = TRAP_BRANCH; ifa = 0; break;
case 36: siginfo.si_code = TRAP_TRACE; ifa = 0; break;
}
siginfo.si_signo = SIGTRAP;
siginfo.si_errno = 0;
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_addr = 0;
siginfo.si_addr = (void *) ifa;
siginfo.si_imm = 0;
force_sig_info(SIGTRAP, &siginfo, current);
return;
......
arch/ia64/kernel/unwind.c
View file @ 9f1e5eef
......@@ -140,13 +140,13 @@ static struct {
} stat;
# endif
} unw = {
tables: &unw.kernel_table,
lock: SPIN_LOCK_UNLOCKED,
save_order: {
.tables = &unw.kernel_table,
.lock = SPIN_LOCK_UNLOCKED,
.save_order = {
UNW_REG_RP, UNW_REG_PFS, UNW_REG_PSP, UNW_REG_PR,
UNW_REG_UNAT, UNW_REG_LC, UNW_REG_FPSR, UNW_REG_PRI_UNAT_GR
},
preg_index: {
.preg_index = {
struct_offset(struct unw_frame_info, pri_unat_loc)/8, /* PRI_UNAT_GR */
struct_offset(struct unw_frame_info, pri_unat_loc)/8, /* PRI_UNAT_MEM */
struct_offset(struct unw_frame_info, bsp_loc)/8,
......@@ -189,9 +189,9 @@ static struct {
struct_offset(struct unw_frame_info, fr_loc[30 - 16])/8,
struct_offset(struct unw_frame_info, fr_loc[31 - 16])/8,
},
hash : { [0 ... UNW_HASH_SIZE - 1] = -1 },
.hash = { [0 ... UNW_HASH_SIZE - 1] = -1 },
#if UNW_DEBUG
preg_name: {
.preg_name = {
"pri_unat_gr", "pri_unat_mem", "bsp", "bspstore", "ar.pfs", "ar.rnat", "psp", "rp",
"r4", "r5", "r6", "r7",
"ar.unat", "pr", "ar.lc", "ar.fpsr",
......@@ -634,8 +634,8 @@ alloc_spill_area (unsigned long *offp, unsigned long regsize,
for (reg = hi; reg >= lo; --reg) {
if (reg->where == UNW_WHERE_SPILL_HOME) {
reg->where = UNW_WHERE_PSPREL;
reg->val = 0x10 - *offp;
*offp += regsize;
*offp -= regsize;
reg->val = *offp;
}
}
}
......@@ -814,7 +814,8 @@ desc_frgr_mem (unsigned char grmask, unw_word frmask, struct unw_state_record *s
}
for (i = 0; i < 20; ++i) {
if ((frmask & 1) != 0) {
set_reg(sr->curr.reg + UNW_REG_F2 + i, UNW_WHERE_SPILL_HOME,
int base = (i < 4) ? UNW_REG_F2 : UNW_REG_F16 - 4;
set_reg(sr->curr.reg + base + i, UNW_WHERE_SPILL_HOME,
sr->region_start + sr->region_len - 1, 0);
sr->any_spills = 1;
}
......
arch/ia64/lib/Makefile
View file @ 9f1e5eef
......@@ -6,43 +6,51 @@ L_TARGET = lib.a
export-objs := swiotlb.o
obj-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
__divdi3.o __udivdi3.o __moddi3.o __umoddi3.o \
checksum.o clear_page.o csum_partial_copy.o copy_page.o \
copy_user.o clear_user.o strncpy_from_user.o strlen_user.o strnlen_user.o \
flush.o io.o ip_fast_csum.o do_csum.o \
memcpy.o memset.o strlen.o swiotlb.o
obj-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
__divdi3.o __udivdi3.o __moddi3.o __umoddi3.o \
checksum.o clear_page.o csum_partial_copy.o copy_page.o \
clear_user.o strncpy_from_user.o strlen_user.o strnlen_user.o \
flush.o io.o ip_fast_csum.o do_csum.o \
memset.o strlen.o swiotlb.o
obj-$(CONFIG_ITANIUM) += copy_page.o
obj-$(CONFIG_MCKINLEY) += copy_page_mck.o
obj-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o
obj-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o
IGNORE_FLAGS_OBJS = __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
__divdi3.o __udivdi3.o __moddi3.o __umoddi3.o
$(L_TARGET): $(obj-y) $(export-objs)
include $(TOPDIR)/Rules.make
AFLAGS___divdi3.o =
AFLAGS___udivdi3.o = -DUNSIGNED
AFLAGS___moddi3.o = -DMODULO
AFLAGS___umoddi3.o = -DUNSIGNED -DMODULO
AFLAGS___divsi3.o =
AFLAGS___udivsi3.o = -DUNSIGNED
AFLAGS___modsi3.o = -DMODULO
AFLAGS___umodsi3.o = -DUNSIGNED -DMODULO
__divdi3.o: idiv64.S
$(CC) $(AFLAGS) -c -o $@ $<
$(cmd_as_o_S)
__udivdi3.o: idiv64.S
$(CC) $(AFLAGS) -c -DUNSIGNED -c -o $@ $<
$(cmd_as_o_S)
__moddi3.o: idiv64.S
$(CC) $(AFLAGS) -c -DMODULO -c -o $@ $<
$(cmd_as_o_S)
__umoddi3.o: idiv64.S
$(CC) $(AFLAGS) -c -DMODULO -DUNSIGNED -c -o $@ $<
$(cmd_as_o_S)
__divsi3.o: idiv32.S
$(CC) $(AFLAGS) -c -o $@ $<
$(cmd_as_o_S)
__udivsi3.o: idiv32.S
$(CC) $(AFLAGS) -c -DUNSIGNED -c -o $@ $<
$(cmd_as_o_S)
__modsi3.o: idiv32.S
$(CC) $(AFLAGS) -c -DMODULO -c -o $@ $<
$(cmd_as_o_S)
__umodsi3.o: idiv32.S
$(CC) $(AFLAGS) -c -DMODULO -DUNSIGNED -c -o $@ $<
include $(TOPDIR)/Rules.make
$(cmd_as_o_S)
arch/ia64/lib/copy_user.S
View file @ 9f1e5eef
......@@ -237,15 +237,17 @@ GLOBAL_ENTRY(__copy_user)
.copy_user_bit##rshift: \
1: \
EX(.failure_out,(EPI) st8 [dst1]=tmp,8); \
(EPI_1) shrp tmp=val1[PIPE_DEPTH-3],val1[PIPE_DEPTH-2],rshift; \
EX(3f,(p16) ld8 val1[0]=[src1],8); \
(EPI_1) shrp tmp=val1[PIPE_DEPTH-2],val1[PIPE_DEPTH-1],rshift; \
EX(3f,(p16) ld8 val1[1]=[src1],8); \
(p16) mov val1[0]=r0; \
br.ctop.dptk 1b; \
;; \
br.cond.sptk.many .diff_align_do_tail; \
2: \
(EPI) st8 [dst1]=tmp,8; \
(EPI_1) shrp tmp=val1[PIPE_DEPTH-3],val1[PIPE_DEPTH-2],rshift; \
(EPI_1) shrp tmp=val1[PIPE_DEPTH-2],val1[PIPE_DEPTH-1],rshift; \
3: \
(p16) mov val1[1]=r0; \
(p16) mov val1[0]=r0; \
br.ctop.dptk 2b; \
;; \
......
arch/ia64/lib/io.c
View file @ 9f1e5eef
......@@ -87,6 +87,12 @@ ia64_outl (unsigned int val, unsigned long port)
__ia64_outl(val, port);
}
void
ia64_mmiob (void)
{
__ia64_mmiob();
}
/* define aliases: */
asm (".global __ia64_inb, __ia64_inw, __ia64_inl");
......@@ -99,4 +105,7 @@ asm ("__ia64_outb = ia64_outb");
asm ("__ia64_outw = ia64_outw");
asm ("__ia64_outl = ia64_outl");
asm (".global __ia64_mmiob");
asm ("__ia64_mmiob = ia64_mmiob");
#endif /* CONFIG_IA64_GENERIC */
arch/ia64/lib/memcpy_mck.S 0 → 100644
View file @ 9f1e5eef
This diff is collapsed.
arch/ia64/lib/swiotlb.c
View file @ 9f1e5eef
......@@ -415,18 +415,21 @@ int
swiotlb_map_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction)
{
void *addr;
unsigned long pci_addr;
int i;
if (direction == PCI_DMA_NONE)
BUG();
for (i = 0; i < nelems; i++, sg++) {
sg->orig_address = SG_ENT_VIRT_ADDRESS(sg);
if ((SG_ENT_PHYS_ADDRESS(sg) & ~hwdev->dma_mask) != 0) {
addr = map_single(hwdev, sg->orig_address, sg->length, direction);
sg->page = virt_to_page(addr);
sg->offset = (u64) addr & ~PAGE_MASK;
}
addr = SG_ENT_VIRT_ADDRESS(sg);
pci_addr = virt_to_phys(addr);
if ((pci_addr & ~hwdev->dma_mask) != 0)
sg->dma_address = (dma_addr_t)
map_single(hwdev, addr, sg->length, direction);
else
sg->dma_address = pci_addr;
sg->dma_length = sg->length;
}
return nelems;
}
......@@ -444,12 +447,10 @@ swiotlb_unmap_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int
BUG();
for (i = 0; i < nelems; i++, sg++)
if (sg->orig_address != SG_ENT_VIRT_ADDRESS(sg)) {
unmap_single(hwdev, SG_ENT_VIRT_ADDRESS(sg), sg->length, direction);
sg->page = virt_to_page(sg->orig_address);
sg->offset = (u64) sg->orig_address & ~PAGE_MASK;
} else if (direction == PCI_DMA_FROMDEVICE)
mark_clean(SG_ENT_VIRT_ADDRESS(sg), sg->length);
if (sg->dma_address != SG_ENT_PHYS_ADDRESS(sg))
unmap_single(hwdev, (void *) sg->dma_address, sg->dma_length, direction);
else if (direction == PCI_DMA_FROMDEVICE)
mark_clean(SG_ENT_VIRT_ADDRESS(sg), sg->dma_length);
}
/*
......@@ -468,14 +469,14 @@ swiotlb_sync_sg (struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int
BUG();
for (i = 0; i < nelems; i++, sg++)
if (sg->orig_address != SG_ENT_VIRT_ADDRESS(sg))
sync_single(hwdev, SG_ENT_VIRT_ADDRESS(sg), sg->length, direction);
if (sg->dma_address != SG_ENT_PHYS_ADDRESS(sg))
sync_single(hwdev, (void *) sg->dma_address, sg->dma_length, direction);
}
unsigned long
swiotlb_dma_address (struct scatterlist *sg)
{
return SG_ENT_PHYS_ADDRESS(sg);
return sg->dma_address;
}
/*
......
arch/ia64/mm/init.c
View file @ 9f1e5eef
......@@ -10,6 +10,7 @@
#include <linux/bootmem.h>
#include <linux/mm.h>
#include <linux/personality.h>
#include <linux/reboot.h>
#include <linux/slab.h>
#include <linux/swap.h>
......@@ -68,10 +69,9 @@ ia64_init_addr_space (void)
struct vm_area_struct *vma;
/*
* If we're out of memory and kmem_cache_alloc() returns NULL,
* we simply ignore the problem. When the process attempts to
* write to the register backing store for the first time, it
* will get a SEGFAULT in this case.
* If we're out of memory and kmem_cache_alloc() returns NULL, we simply ignore
* the problem. When the process attempts to write to the register backing store
* for the first time, it will get a SEGFAULT in this case.
*/
vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
if (vma) {
......@@ -86,6 +86,19 @@ ia64_init_addr_space (void)
vma->vm_private_data = NULL;
insert_vm_struct(current->mm, vma);
}
/* map NaT-page at address zero to speed up speculative dereferencing of NULL: */
if (!(current->personality & MMAP_PAGE_ZERO)) {
vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_end = PAGE_SIZE;
vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
vma->vm_flags = VM_READ | VM_MAYREAD | VM_IO | VM_RESERVED;
insert_vm_struct(current->mm, vma);
}
}
}
void
......
arch/ia64/mm/tlb.c
View file @ 9f1e5eef
......@@ -35,12 +35,14 @@
1 << _PAGE_SIZE_4K )
struct ia64_ctx ia64_ctx = {
lock: SPIN_LOCK_UNLOCKED,
next: 1,
limit: (1 << 15) - 1, /* start out with the safe (architected) limit */
max_ctx: ~0U
.lock = SPIN_LOCK_UNLOCKED,
.next = 1,
.limit = (1 << 15) - 1, /* start out with the safe (architected) limit */
.max_ctx = ~0U
};
u8 ia64_need_tlb_flush __per_cpu_data;
/*
* Acquire the ia64_ctx.lock before calling this function!
*/
......@@ -49,6 +51,7 @@ wrap_mmu_context (struct mm_struct *mm)
{
unsigned long tsk_context, max_ctx = ia64_ctx.max_ctx;
struct task_struct *tsk;
int i;
if (ia64_ctx.next > max_ctx)
ia64_ctx.next = 300; /* skip daemons */
......@@ -77,7 +80,11 @@ wrap_mmu_context (struct mm_struct *mm)
ia64_ctx.limit = tsk_context;
}
read_unlock(&tasklist_lock);
flush_tlb_all();
/* can't call flush_tlb_all() here because of race condition with O(1) scheduler [EF] */
for (i = 0; i < NR_CPUS; ++i)
if (i != smp_processor_id())
per_cpu(ia64_need_tlb_flush, i) = 1;
__flush_tlb_all();
}
void
......
arch/ia64/sn/io/ifconfig_net.c
View file @ 9f1e5eef
......@@ -279,9 +279,9 @@ static int ifconfig_net_ioctl(struct inode * inode, struct file * file,
}
struct file_operations ifconfig_net_fops = {
ioctl:ifconfig_net_ioctl, /* ioctl */
open:ifconfig_net_open, /* open */
release:ifconfig_net_close /* release */
.ioctl =ifconfig_net_ioctl, /* ioctl */
.open =ifconfig_net_open, /* open */
.release =ifconfig_net_close /* release */
};
......
arch/ia64/sn/io/pciba.c
View file @ 9f1e5eef
......@@ -210,31 +210,31 @@ static void dump_allocations(struct list_head * dalp);
/* file operations for each type of node */
static struct file_operations rom_fops = {
owner: THIS_MODULE,
mmap: rom_mmap,
open: generic_open,
release: rom_release
.owner = THIS_MODULE,
.mmap = rom_mmap,
.open = generic_open,
.release = rom_release
};
static struct file_operations base_fops = {
owner: THIS_MODULE,
mmap: base_mmap,
open: generic_open
.owner = THIS_MODULE,
.mmap = base_mmap,
.open = generic_open
};
static struct file_operations config_fops = {
owner: THIS_MODULE,
ioctl: config_ioctl,
open: generic_open
.owner = THIS_MODULE,
.ioctl = config_ioctl,
.open = generic_open
};
static struct file_operations dma_fops = {
owner: THIS_MODULE,
ioctl: dma_ioctl,
mmap: dma_mmap,
open: generic_open
.owner = THIS_MODULE,
.ioctl = dma_ioctl,
.mmap = dma_mmap,
.open = generic_open
};
......
arch/ia64/sn/io/sn1/hubcounters.c
View file @ 9f1e5eef
......@@ -24,7 +24,7 @@ extern void hubni_error_handler(char *, int); /* huberror.c */
static int hubstats_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
struct file_operations hub_mon_fops = {
ioctl: hubstats_ioctl,
.ioctl = hubstats_ioctl,
};
#define HUB_CAPTURE_TICKS (2 * HZ)
......
arch/ia64/sn/io/sn1/pcibr.c
View file @ 9f1e5eef
......@@ -307,22 +307,22 @@ extern void free_pciio_dmamap(pcibr_dmamap_t);
* appropriate function name below.
*/
struct file_operations pcibr_fops = {
owner: THIS_MODULE,
llseek: NULL,
read: NULL,
write: NULL,
readdir: NULL,
poll: NULL,
ioctl: NULL,
mmap: NULL,
open: NULL,
flush: NULL,
release: NULL,
fsync: NULL,
fasync: NULL,
lock: NULL,
readv: NULL,
writev: NULL
.owner = THIS_MODULE,
.llseek = NULL,
.read = NULL,
.write = NULL,
.readdir = NULL,
.poll = NULL,
.ioctl = NULL,
.mmap = NULL,
.open = NULL,
.flush = NULL,
.release = NULL,
.fsync = NULL,
.fasync = NULL,
.lock = NULL,
.readv = NULL,
.writev = NULL
};
extern devfs_handle_t hwgraph_root;
......
arch/ia64/sn/io/sn2/pcibr/pcibr_dvr.c
View file @ 9f1e5eef
......@@ -64,22 +64,22 @@ int pcibr_devflag = D_MP;
* appropriate function name below.
*/
struct file_operations pcibr_fops = {
owner: THIS_MODULE,
llseek: NULL,
read: NULL,
write: NULL,
readdir: NULL,
poll: NULL,
ioctl: NULL,
mmap: NULL,
open: NULL,
flush: NULL,
release: NULL,
fsync: NULL,
fasync: NULL,
lock: NULL,
readv: NULL,
writev: NULL
.owner =THIS_MODULE,
.llseek = NULL,
.read = NULL,
.write = NULL,
.readdir = NULL,
.poll = NULL,
.ioctl = NULL,
.mmap = NULL,
.open = NULL,
.flush = NULL,
.release = NULL,
.fsync = NULL,
.fasync = NULL,
.lock = NULL,
.readv = NULL,
.writev = NULL
};
#ifdef LATER
......
arch/ia64/sn/kernel/setup.c
View file @ 9f1e5eef
This diff is collapsed.
arch/ia64/tools/Makefile
View file @ 9f1e5eef
......@@ -4,7 +4,9 @@ TARGET = $(TOPDIR)/include/asm-ia64/offsets.h
all:
mrproper:
fastdep:
mrproper: clean
clean:
rm -f print_offsets.s print_offsets offsets.h
......
arch/ia64/vmlinux.lds.S
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/acpi.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/bitops.h
View file @ 9f1e5eef
......@@ -326,7 +326,7 @@ ia64_fls (unsigned long x)
return exp - 0xffff;
}
static int
static inline int
fls (int x)
{
return ia64_fls((unsigned int) x);
......
include/asm-ia64/cacheflush.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/delay.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/hardirq.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/hw_irq.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/keyboard.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/kregs.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/machvec.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/machvec_init.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/mmu_context.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/module.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/offsets.h deleted 100644 → 0
View file @ cd03e0b9
This diff is collapsed.
include/asm-ia64/param.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/pci.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/perfmon.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/pgalloc.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/processor.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/rmap.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/scatterlist.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/smp.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/smplock.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/softirq.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/system.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/tlb.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/tlbflush.h
View file @ 9f1e5eef
This diff is collapsed.
include/asm-ia64/unistd.h
View file @ 9f1e5eef
This diff is collapsed.
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