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Commit 53405a4e authored by Anton Blanchard's avatar Anton Blanchard
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Merge samba.org:/scratch/anton/linux-2.5_ppc64 

into samba.org:/scratch/anton/linux-2.5_work
parents 2ebd1fbd da5740e9
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Showing with 4601 additions and 3562 deletions
Documentation/filesystems/ntfs.txt
View file @ 53405a4e
......@@ -247,6 +247,8 @@ ChangeLog
Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog.
2.0.25:
- Minor bugfixes in error code paths and small cleanups.
2.0.24:
- Small internal cleanups.
- Support for sendfile system call. (Christoph Hellwig)
......
arch/i386/boot/setup.S
View file @ 53405a4e
......@@ -1005,9 +1005,14 @@ delay:
ret
# Descriptor tables
#
# NOTE: if you think the GDT is large, you can make it smaller by just
# defining the KERNEL_CS and KERNEL_DS entries and shifting the gdt
# address down by GDT_ENTRY_KERNEL_CS*8. This puts bogus entries into
# the GDT, but those wont be used so it's not a problem.
#
gdt:
.word 0, 0, 0, 0 # dummy
.word 0, 0, 0, 0 # unused
.fill GDT_ENTRY_KERNEL_CS,8,0
.word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb)
.word 0 # base address = 0
......
arch/i386/kernel/cpu/common.c
View file @ 53405a4e
......@@ -423,6 +423,7 @@ void __init cpu_init (void)
{
int cpu = smp_processor_id();
struct tss_struct * t = init_tss + cpu;
struct thread_struct *thread = &current->thread;
if (test_and_set_bit(cpu, &cpu_initialized)) {
printk(KERN_WARNING "CPU#%d already initialized!\n", cpu);
......@@ -447,9 +448,13 @@ void __init cpu_init (void)
*/
if (cpu) {
memcpy(cpu_gdt_table[cpu], cpu_gdt_table[0], GDT_SIZE);
cpu_gdt_descr[cpu].size = GDT_SIZE;
cpu_gdt_descr[cpu].size = GDT_SIZE - 1;
cpu_gdt_descr[cpu].address = (unsigned long)cpu_gdt_table[cpu];
}
/*
* Set up the per-thread TLS descriptor cache:
*/
memcpy(thread->tls_array, cpu_gdt_table[cpu], GDT_ENTRY_TLS_MAX * 8);
__asm__ __volatile__("lgdt %0": "=m" (cpu_gdt_descr[cpu]));
__asm__ __volatile__("lidt %0": "=m" (idt_descr));
......@@ -468,9 +473,9 @@ void __init cpu_init (void)
BUG();
enter_lazy_tlb(&init_mm, current, cpu);
t->esp0 = current->thread.esp0;
t->esp0 = thread->esp0;
set_tss_desc(cpu,t);
cpu_gdt_table[cpu][TSS_ENTRY].b &= 0xfffffdff;
cpu_gdt_table[cpu][GDT_ENTRY_TSS].b &= 0xfffffdff;
load_TR_desc();
load_LDT(&init_mm.context);
......
arch/i386/kernel/entry.S
View file @ 53405a4e
......@@ -753,6 +753,7 @@ ENTRY(sys_call_table)
.long sys_sched_setaffinity
.long sys_sched_getaffinity
.long sys_set_thread_area
.long sys_get_thread_area
.rept NR_syscalls-(.-sys_call_table)/4
.long sys_ni_syscall
......
arch/i386/kernel/head.S
View file @ 53405a4e
......@@ -239,12 +239,7 @@ is386: movl $2,%ecx # set MP
movl %eax,%es
movl %eax,%fs
movl %eax,%gs
#ifdef CONFIG_SMP
movl $(__KERNEL_DS), %eax
movl %eax,%ss # Reload the stack pointer (segment only)
#else
lss stack_start,%esp # Load processor stack
#endif
movl %eax,%ss
xorl %eax,%eax
lldt %ax
cld # gcc2 wants the direction flag cleared at all times
......@@ -412,34 +407,40 @@ ENTRY(_stext)
ALIGN
/*
* The Global Descriptor Table contains 20 quadwords, per-CPU.
* The Global Descriptor Table contains 28 quadwords, per-CPU.
*/
ENTRY(cpu_gdt_table)
.quad 0x0000000000000000 /* NULL descriptor */
.quad 0x0000000000000000 /* TLS descriptor */
.quad 0x00cf9a000000ffff /* 0x10 kernel 4GB code at 0x00000000 */
.quad 0x00cf92000000ffff /* 0x18 kernel 4GB data at 0x00000000 */
.quad 0x0000000000000000 /* 0x0b reserved */
.quad 0x0000000000000000 /* 0x13 reserved */
.quad 0x0000000000000000 /* 0x1b reserved */
.quad 0x00cffa000000ffff /* 0x23 user 4GB code at 0x00000000 */
.quad 0x00cff2000000ffff /* 0x2b user 4GB data at 0x00000000 */
.quad 0x0000000000000000 /* TSS descriptor */
.quad 0x0000000000000000 /* LDT descriptor */
.quad 0x0000000000000000 /* 0x33 TLS entry 1 */
.quad 0x0000000000000000 /* 0x3b TLS entry 2 */
.quad 0x0000000000000000 /* 0x43 TLS entry 3 */
.quad 0x0000000000000000 /* 0x4b reserved */
.quad 0x0000000000000000 /* 0x53 reserved */
.quad 0x0000000000000000 /* 0x5b reserved */
.quad 0x00cf9a000000ffff /* 0x60 kernel 4GB code at 0x00000000 */
.quad 0x00cf92000000ffff /* 0x68 kernel 4GB data at 0x00000000 */
.quad 0x0000000000000000 /* 0x70 TSS descriptor */
.quad 0x0000000000000000 /* 0x78 LDT descriptor */
/* Segments used for calling PnP BIOS */
.quad 0x00c09a0000000000 /* 0x80 32-bit code */
.quad 0x00809a0000000000 /* 0x88 16-bit code */
.quad 0x0080920000000000 /* 0x90 16-bit data */
.quad 0x0080920000000000 /* 0x98 16-bit data */
.quad 0x0080920000000000 /* 0xa0 16-bit data */
/*
* The APM segments have byte granularity and their bases
* and limits are set at run time.
*/
.quad 0x0040920000000000 /* 0x40 APM set up for bad BIOS's */
.quad 0x00409a0000000000 /* 0x48 APM CS code */
.quad 0x00009a0000000000 /* 0x50 APM CS 16 code (16 bit) */
.quad 0x0040920000000000 /* 0x58 APM DS data */
/* Segments used for calling PnP BIOS */
.quad 0x00c09a0000000000 /* 0x60 32-bit code */
.quad 0x00809a0000000000 /* 0x68 16-bit code */
.quad 0x0080920000000000 /* 0x70 16-bit data */
.quad 0x0080920000000000 /* 0x78 16-bit data */
.quad 0x0080920000000000 /* 0x80 16-bit data */
.quad 0x0000000000000000 /* 0x88 not used */
.quad 0x0000000000000000 /* 0x90 not used */
.quad 0x0000000000000000 /* 0x98 not used */
.quad 0x00409a0000000000 /* 0xa8 APM CS code */
.quad 0x00009a0000000000 /* 0xb0 APM CS 16 code (16 bit) */
.quad 0x0040920000000000 /* 0xb8 APM DS data */
#if CONFIG_SMP
.fill (NR_CPUS-1)*GDT_ENTRIES,8,0 /* other CPU's GDT */
......
arch/i386/kernel/ldt.c
View file @ 53405a4e
......@@ -170,7 +170,7 @@ static int write_ldt(void * ptr, unsigned long bytecount, int oldmode)
struct mm_struct * mm = current->mm;
__u32 entry_1, entry_2, *lp;
int error;
struct modify_ldt_ldt_s ldt_info;
struct user_desc ldt_info;
error = -EINVAL;
if (bytecount != sizeof(ldt_info))
......@@ -200,32 +200,17 @@ static int write_ldt(void * ptr, unsigned long bytecount, int oldmode)
/* Allow LDTs to be cleared by the user. */
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
if (oldmode ||
(ldt_info.contents == 0 &&
ldt_info.read_exec_only == 1 &&
ldt_info.seg_32bit == 0 &&
ldt_info.limit_in_pages == 0 &&
ldt_info.seg_not_present == 1 &&
ldt_info.useable == 0 )) {
if (oldmode || LDT_empty(&ldt_info)) {
entry_1 = 0;
entry_2 = 0;
goto install;
}
}
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
(ldt_info.limit & 0x0ffff);
entry_2 = (ldt_info.base_addr & 0xff000000) |
((ldt_info.base_addr & 0x00ff0000) >> 16) |
(ldt_info.limit & 0xf0000) |
((ldt_info.read_exec_only ^ 1) << 9) |
(ldt_info.contents << 10) |
((ldt_info.seg_not_present ^ 1) << 15) |
(ldt_info.seg_32bit << 22) |
(ldt_info.limit_in_pages << 23) |
0x7000;
if (!oldmode)
entry_2 |= (ldt_info.useable << 20);
entry_1 = LDT_entry_a(&ldt_info);
entry_2 = LDT_entry_b(&ldt_info);
if (oldmode)
entry_2 &= ~(1 << 20);
/* Install the new entry ... */
install:
......
arch/i386/kernel/process.c
View file @ 53405a4e
......@@ -681,11 +681,8 @@ void __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
/*
* Load the per-thread Thread-Local Storage descriptor.
*
* NOTE: it's faster to do the two stores unconditionally
* than to branch away.
*/
load_TLS_desc(next, cpu);
load_TLS(next, cpu);
/*
* Save away %fs and %gs. No need to save %es and %ds, as
......@@ -834,35 +831,114 @@ unsigned long get_wchan(struct task_struct *p)
#undef first_sched
/*
* Set the Thread-Local Storage area:
* sys_alloc_thread_area: get a yet unused TLS descriptor index.
*/
static int get_free_idx(void)
{
struct thread_struct *t = &current->thread;
int idx;
for (idx = 0; idx < GDT_ENTRY_TLS_ENTRIES; idx++)
if (desc_empty(t->tls_array + idx))
return idx + GDT_ENTRY_TLS_MIN;
return -ESRCH;
}
/*
* Set a given TLS descriptor:
*/
asmlinkage int sys_set_thread_area(unsigned long base, unsigned long flags)
asmlinkage int sys_set_thread_area(struct user_desc *u_info)
{
struct thread_struct *t = &current->thread;
int writable = 0;
int cpu;
struct user_desc info;
struct desc_struct *desc;
int cpu, idx;
/* do not allow unused flags */
if (flags & ~TLS_FLAGS_MASK)
if (copy_from_user(&info, u_info, sizeof(info)))
return -EFAULT;
idx = info.entry_number;
/*
* index -1 means the kernel should try to find and
* allocate an empty descriptor:
*/
if (idx == -1) {
idx = get_free_idx();
if (idx < 0)
return idx;
if (put_user(idx, &u_info->entry_number))
return -EFAULT;
}
if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
return -EINVAL;
if (flags & TLS_FLAG_WRITABLE)
writable = 1;
desc = t->tls_array + idx - GDT_ENTRY_TLS_MIN;
/*
* We must not get preempted while modifying the TLS.
*/
cpu = get_cpu();
t->tls_desc.a = ((base & 0x0000ffff) << 16) | 0xffff;
t->tls_desc.b = (base & 0xff000000) | ((base & 0x00ff0000) >> 16) |
0xf0000 | (writable << 9) | (1 << 15) |
(1 << 22) | (1 << 23) | 0x7000;
if (LDT_empty(&info)) {
desc->a = 0;
desc->b = 0;
} else {
desc->a = LDT_entry_a(&info);
desc->b = LDT_entry_b(&info);
}
load_TLS(t, cpu);
load_TLS_desc(t, cpu);
put_cpu();
return TLS_ENTRY*8 + 3;
return 0;
}
/*
* Get the current Thread-Local Storage area:
*/
#define GET_BASE(desc) ( \
(((desc)->a >> 16) & 0x0000ffff) | \
(((desc)->b << 16) & 0x00ff0000) | \
( (desc)->b & 0xff000000) )
#define GET_LIMIT(desc) ( \
((desc)->a & 0x0ffff) | \
((desc)->b & 0xf0000) )
#define GET_32BIT(desc) (((desc)->b >> 23) & 1)
#define GET_CONTENTS(desc) (((desc)->b >> 10) & 3)
#define GET_WRITABLE(desc) (((desc)->b >> 9) & 1)
#define GET_LIMIT_PAGES(desc) (((desc)->b >> 23) & 1)
#define GET_PRESENT(desc) (((desc)->b >> 15) & 1)
#define GET_USEABLE(desc) (((desc)->b >> 20) & 1)
asmlinkage int sys_get_thread_area(struct user_desc *u_info)
{
struct user_desc info;
struct desc_struct *desc;
int idx;
if (get_user(idx, &u_info->entry_number))
return -EFAULT;
if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
return -EINVAL;
desc = current->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
info.entry_number = idx;
info.base_addr = GET_BASE(desc);
info.limit = GET_LIMIT(desc);
info.seg_32bit = GET_32BIT(desc);
info.contents = GET_CONTENTS(desc);
info.read_exec_only = !GET_WRITABLE(desc);
info.limit_in_pages = GET_LIMIT_PAGES(desc);
info.seg_not_present = !GET_PRESENT(desc);
info.useable = GET_USEABLE(desc);
if (copy_to_user(u_info, &info, sizeof(info)))
return -EFAULT;
return 0;
}
arch/i386/kernel/suspend.c
View file @ 53405a4e
......@@ -207,7 +207,7 @@ void fix_processor_context(void)
struct tss_struct * t = init_tss + cpu;
set_tss_desc(cpu,t); /* This just modifies memory; should not be neccessary. But... This is neccessary, because 386 hardware has concept of busy tsc or some similar stupidity. */
cpu_gdt_table[cpu][TSS_ENTRY].b &= 0xfffffdff;
cpu_gdt_table[cpu][GDT_ENTRY_TSS].b &= 0xfffffdff;
load_TR_desc(); /* This does ltr */
load_LDT(&current->mm->context); /* This does lldt */
......
arch/ia64/Makefile
View file @ 53405a4e
......@@ -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 ($(CONFIG_ITANIUM_BSTEP_SPECIFIC),y)
......
arch/ia64/boot/Makefile
View file @ 53405a4e
......@@ -15,6 +15,8 @@ OBJECTS = bootloader.o
targets-$(CONFIG_IA64_HP_SIM) += bootloader
targets-$(CONFIG_IA64_GENERIC) += bootloader
CFLAGS := $(CFLAGS) $(CFLAGS_KERNEL)
all: $(targets-y)
bootloader: $(OBJECTS)
......
arch/ia64/config.in
View file @ 53405a4e
......@@ -64,7 +64,8 @@ if [ "$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
......@@ -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
bool 'Support for hot-pluggable devices' CONFIG_HOTPLUG
if [ "$CONFIG_HOTPLUG" = "y" ]; then
source drivers/hotplug/Config.in
source drivers/pcmcia/Config.in
else
else
define_bool CONFIG_PCMCIA n
fi
source drivers/parport/Config.in
fi
source drivers/parport/Config.in
fi # !HP_SIM
endmenu
......@@ -123,39 +123,26 @@ if [ "$CONFIG_NET" = "y" ]; then
fi
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
source drivers/mtd/Config.in
source drivers/pnp/Config.in
source drivers/block/Config.in
source drivers/ieee1394/Config.in
source drivers/message/i2o/Config.in
source drivers/md/Config.in
source drivers/message/fusion/Config.in
source drivers/mtd/Config.in
source drivers/pnp/Config.in
source drivers/block/Config.in
source drivers/ieee1394/Config.in
source drivers/message/i2o/Config.in
source drivers/md/Config.in
source drivers/message/fusion/Config.in
mainmenu_option next_comment
comment 'ATA/ATAPI/MFM/RLL support'
mainmenu_option next_comment
comment 'ATA/ATAPI/MFM/RLL support'
tristate 'ATA/ATAPI/MFM/RLL support' CONFIG_IDE
tristate 'ATA/ATAPI/MFM/RLL support' CONFIG_IDE
if [ "$CONFIG_IDE" != "n" ]; then
if [ "$CONFIG_IDE" != "n" ]; then
source drivers/ide/Config.in
else
else
define_bool CONFIG_BLK_DEV_HD n
fi
endmenu
fi
endmenu
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 $CONFIG_NET
tristate 'RAM disk support' CONFIG_BLK_DEV_RAM
if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then
int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096
fi
endmenu
fi # !HP_SIM
mainmenu_option next_comment
comment 'SCSI support'
......@@ -168,8 +155,7 @@ fi
endmenu
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
if [ "$CONFIG_NET" = "y" ]; then
if [ "$CONFIG_NET" = "y" ]; then
mainmenu_option next_comment
comment 'Network device support'
......@@ -178,36 +164,46 @@ if [ "$CONFIG_NET" = "y" ]; then
source drivers/net/Config.in
fi
endmenu
fi
source net/ax25/Config.in
source drivers/isdn/Config.in
fi
source net/ax25/Config.in
source drivers/isdn/Config.in
mainmenu_option next_comment
comment 'CD-ROM drivers (not for SCSI or IDE/ATAPI drives)'
mainmenu_option next_comment
comment 'CD-ROM drivers (not for SCSI or IDE/ATAPI drives)'
bool 'Support non-SCSI/IDE/ATAPI CDROM drives' CONFIG_CD_NO_IDESCSI
if [ "$CONFIG_CD_NO_IDESCSI" != "n" ]; then
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
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
#
# input before char - char/joystick depends on it. As does USB.
#
source drivers/input/Config.in
source drivers/char/Config.in
source drivers/media/Config.in
else # HP_SIM
#source drivers/misc/Config.in
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 $CONFIG_NET
source drivers/media/Config.in
tristate 'RAM disk support' CONFIG_BLK_DEV_RAM
if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then
int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096
fi
endmenu
fi # HP_SIM
source fs/Config.in
if [ "$CONFIG_VT" = "y" ]; then
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
......@@ -216,32 +212,26 @@ if [ "$CONFIG_VT" = "y" ]; then
define_bool CONFIG_PCI_CONSOLE y
fi
endmenu
fi
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
fi
mainmenu_option next_comment
comment 'Sound'
mainmenu_option next_comment
comment 'Sound'
tristate 'Sound card support' CONFIG_SOUND
if [ "$CONFIG_SOUND" != "n" ]; then
tristate 'Sound card support' CONFIG_SOUND
if [ "$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
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'
......@@ -255,7 +245,14 @@ if [ "$CONFIG_DEBUG_KERNEL" != "n" ]; then
bool ' Disable VHPT' CONFIG_DISABLE_VHPT
bool ' Magic SysRq key' CONFIG_MAGIC_SYSRQ
bool ' Early printk support (requires VGA!)' CONFIG_IA64_EARLY_PRINTK
bool ' Early printk support' CONFIG_IA64_EARLY_PRINTK
if [ "$CONFIG_IA64_EARLY_PRINTK" != "n" ]; then
bool ' Early printk on MMIO serial port' CONFIG_IA64_EARLY_PRINTK_UART
if [ "$CONFIG_IA64_EARLY_PRINTK_UART" != "n" ]; then
hex ' UART MMIO base address' CONFIG_IA64_EARLY_PRINTK_UART_BASE ff5e0000
fi
bool ' Early printk on VGA' CONFIG_IA64_EARLY_PRINTK_VGA
fi
bool ' Debug memory allocations' CONFIG_DEBUG_SLAB
bool ' Spinlock debugging' CONFIG_DEBUG_SPINLOCK
bool ' Turn on compare-and-exchange bug checking (slow!)' CONFIG_IA64_DEBUG_CMPXCHG
......
arch/ia64/hp/common/sba_iommu.c
View file @ 53405a4e
This diff is collapsed.
arch/ia64/hp/sim/hpsim_console.c
View file @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
/*
* 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 @ 53405a4e
......@@ -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");
......@@ -258,14 +284,14 @@ 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,
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... */
......@@ -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 @ 53405a4e
......@@ -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);
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));
restore_flags(flags);
}
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);
......@@ -566,8 +573,8 @@ 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...
*/
......@@ -603,7 +610,8 @@ static void shutdown(struct async_struct * info)
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 @ 53405a4e
#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 @ 53405a4e
This diff is collapsed.
arch/ia64/ia32/binfmt_elf32.c
View file @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
This diff is collapsed.
arch/ia64/kernel/efi.c
View file @ 53405a4e
......@@ -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:
/* 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();
}
}
......@@ -347,6 +446,9 @@ efi_init (void)
} else if (efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID) == 0) {
efi.sal_systab = __va(config_tables[i].table);
printk(" SALsystab=0x%lx", config_tables[i].table);
} else if (efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID) == 0) {
efi.hcdp = __va(config_tables[i].table);
printk(" HCDP=0x%lx", config_tables[i].table);
}
}
printk("\n");
......@@ -376,7 +478,7 @@ 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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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;
......@@ -160,6 +160,10 @@ set_rte (unsigned int vector, unsigned long dest)
int pin;
char redir;
#ifdef DEBUG_IRQ_ROUTING
printk(KERN_DEBUG "set_rte: routing vector 0x%02x to 0x%lx\n", vector, dest);
#endif
pin = iosapic_irq[vector].pin;
if (pin < 0)
return; /* not an IOSAPIC interrupt */
......@@ -322,14 +326,14 @@ 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 +370,14 @@ 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
......@@ -406,7 +410,7 @@ iosapic_reassign_vector (int vector)
|| iosapic_irq[vector].polarity || iosapic_irq[vector].trigger)
{
new_vector = ia64_alloc_irq();
printk("Reassigning Vector 0x%x to 0x%x\n", vector, new_vector);
printk("Reassigning vector 0x%x to 0x%x\n", vector, new_vector);
memcpy (&iosapic_irq[new_vector], &iosapic_irq[vector],
sizeof(struct iosapic_irq));
memset (&iosapic_irq[vector], 0, sizeof(struct iosapic_irq));
......@@ -422,6 +426,7 @@ 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 +645,7 @@ 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 +684,10 @@ 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);
}
}
......@@ -757,10 +761,11 @@ iosapic_pci_fixup (int phase)
if (!(smp_int_redirect & SMP_IRQ_REDIRECTION)) {
static int cpu_index = 0;
set_rte(vector, cpu_physical_id(cpu_index) & 0xffff);
while (!cpu_online(cpu_index))
if (++cpu_index >= NR_CPUS)
cpu_index = 0;
for (cpu_index++; !cpu_online(cpu_index % NR_CPUS); cpu_index++);
cpu_index %= NR_CPUS;
set_rte(vector, cpu_physical_id(cpu_index) & 0xffff);
} else {
/*
* Direct the interrupt vector to the current cpu,
......
arch/ia64/kernel/irq.c
View file @ 53405a4e
This diff is collapsed.
arch/ia64/kernel/irq_ia64.c
View file @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -106,6 +106,12 @@
#define PFM_REG_RETFLAG_SET(flags, val) do { flags &= ~PFM_REG_RETFL_MASK; flags |= (val); } while(0)
#ifdef CONFIG_SMP
#define cpu_is_online(i) (cpu_online_map & (1UL << i))
#else
#define cpu_is_online(i) (i==0)
#endif
/*
* debugging
*/
......@@ -277,8 +283,8 @@ typedef struct {
typedef struct {
pfm_pmu_reg_type_t type;
int pm_pos;
int (*read_check)(struct task_struct *task, unsigned int cnum, unsigned long *val);
int (*write_check)(struct task_struct *task, unsigned int cnum, unsigned long *val);
int (*read_check)(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs);
int (*write_check)(struct task_struct *task, unsigned int cnum, unsigned long *val, struct pt_regs *regs);
unsigned long dep_pmd[4];
unsigned long dep_pmc[4];
} pfm_reg_desc_t;
......@@ -396,7 +402,7 @@ static unsigned long reset_pmcs[IA64_NUM_PMC_REGS]; /* contains PAL reset values
static void pfm_vm_close(struct vm_area_struct * area);
static struct vm_operations_struct pfm_vm_ops={
close: pfm_vm_close
.close = pfm_vm_close
};
/*
......@@ -902,8 +908,8 @@ pfx_is_sane(struct task_struct *task, pfarg_context_t *pfx)
/*
* and it must be a valid CPU
*/
cpu = ffs(pfx->ctx_cpu_mask);
if (!cpu_online(cpu)) {
cpu = ffz(~pfx->ctx_cpu_mask);
if (cpu_is_online(cpu) == 0) {
DBprintk(("CPU%d is not online\n", cpu));
return -EINVAL;
}
......@@ -925,11 +931,12 @@ pfx_is_sane(struct task_struct *task, pfarg_context_t *pfx)
DBprintk(("must have notify_pid when blocking for [%d]\n", task->pid));
return -EINVAL;
}
#if 0
if ((ctx_flags & PFM_FL_NOTIFY_BLOCK) && pfx->ctx_notify_pid == task->pid) {
DBprintk(("cannot notify self when blocking for [%d]\n", task->pid));
return -EINVAL;
}
#endif
}
/* probably more to add here */
......@@ -968,7 +975,7 @@ pfm_context_create(struct task_struct *task, pfm_context_t *ctx, void *req, int
if (ctx_flags & PFM_FL_SYSTEM_WIDE) {
/* at this point, we know there is at least one bit set */
cpu = ffs(tmp.ctx_cpu_mask) - 1;
cpu = ffz(~tmp.ctx_cpu_mask);
DBprintk(("requesting CPU%d currently on CPU%d\n",cpu, smp_processor_id()));
......@@ -1280,7 +1287,7 @@ pfm_write_pmcs(struct task_struct *task, pfm_context_t *ctx, void *arg, int coun
/*
* execute write checker, if any
*/
if (PMC_WR_FUNC(cnum)) ret = PMC_WR_FUNC(cnum)(task, cnum, &tmp.reg_value);
if (PMC_WR_FUNC(cnum)) ret = PMC_WR_FUNC(cnum)(task, cnum, &tmp.reg_value, regs);
abort_mission:
if (ret == -EINVAL) reg_retval = PFM_REG_RETFL_EINVAL;
......@@ -1371,7 +1378,7 @@ pfm_write_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int coun
/*
* execute write checker, if any
*/
if (PMD_WR_FUNC(cnum)) ret = PMD_WR_FUNC(cnum)(task, cnum, &tmp.reg_value);
if (PMD_WR_FUNC(cnum)) ret = PMD_WR_FUNC(cnum)(task, cnum, &tmp.reg_value, regs);
abort_mission:
if (ret == -EINVAL) reg_retval = PFM_REG_RETFL_EINVAL;
......@@ -1394,6 +1401,8 @@ pfm_write_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int coun
/* keep track of what we use */
CTX_USED_PMD(ctx, pmu_conf.pmd_desc[(cnum)].dep_pmd[0]);
/* mark this register as used as well */
CTX_USED_PMD(ctx, RDEP(cnum));
/* writes to unimplemented part is ignored, so this is safe */
ia64_set_pmd(cnum, tmp.reg_value & pmu_conf.perf_ovfl_val);
......@@ -1438,7 +1447,7 @@ pfm_read_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int count
DBprintk(("ctx_last_cpu=%d for [%d]\n", atomic_read(&ctx->ctx_last_cpu), task->pid));
for (i = 0; i < count; i++, req++) {
unsigned long reg_val = ~0UL, ctx_val = ~0UL;
unsigned long ctx_val = ~0UL;
if (copy_from_user(&tmp, req, sizeof(tmp))) return -EFAULT;
......@@ -1462,7 +1471,7 @@ pfm_read_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int count
*/
if (atomic_read(&ctx->ctx_last_cpu) == smp_processor_id()){
ia64_srlz_d();
val = reg_val = ia64_get_pmd(cnum);
val = ia64_get_pmd(cnum);
DBprintk(("reading pmd[%u]=0x%lx from hw\n", cnum, val));
} else {
#ifdef CONFIG_SMP
......@@ -1484,7 +1493,7 @@ pfm_read_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int count
}
#endif
/* context has been saved */
val = reg_val = th->pmd[cnum];
val = th->pmd[cnum];
}
if (PMD_IS_COUNTING(cnum)) {
/*
......@@ -1493,8 +1502,6 @@ pfm_read_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int count
val &= pmu_conf.perf_ovfl_val;
val += ctx_val = ctx->ctx_soft_pmds[cnum].val;
} else {
val = reg_val = ia64_get_pmd(cnum);
}
tmp.reg_value = val;
......@@ -1503,14 +1510,13 @@ pfm_read_pmds(struct task_struct *task, pfm_context_t *ctx, void *arg, int count
* execute read checker, if any
*/
if (PMD_RD_FUNC(cnum)) {
ret = PMD_RD_FUNC(cnum)(task, cnum, &tmp.reg_value);
ret = PMD_RD_FUNC(cnum)(task, cnum, &tmp.reg_value, regs);
}
PFM_REG_RETFLAG_SET(tmp.reg_flags, ret);
DBprintk(("read pmd[%u] ret=%d soft_pmd=0x%lx reg=0x%lx pmc=0x%lx\n",
cnum, ret, ctx_val, reg_val,
ia64_get_pmc(cnum)));
DBprintk(("read pmd[%u] ret=%d value=0x%lx pmc=0x%lx\n",
cnum, ret, val, ia64_get_pmc(cnum)));
if (copy_to_user(req, &tmp, sizeof(tmp))) return -EFAULT;
}
......@@ -1553,15 +1559,11 @@ pfm_use_debug_registers(struct task_struct *task)
*/
if (ctx && ctx->ctx_fl_using_dbreg == 1) return -1;
/*
* XXX: not pretty
*/
LOCK_PFS();
/*
* We only allow the use of debug registers when there is no system
* wide monitoring
* XXX: we could relax this by
* We cannot allow setting breakpoints when system wide monitoring
* sessions are using the debug registers.
*/
if (pfm_sessions.pfs_sys_use_dbregs> 0)
ret = -1;
......@@ -1921,7 +1923,6 @@ typedef union {
dbr_mask_reg_t dbr;
} dbreg_t;
static int
pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, struct pt_regs *regs)
{
......@@ -1963,8 +1964,8 @@ pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, stru
if (ctx->ctx_fl_system) {
/* we mark ourselves as owner of the debug registers */
ctx->ctx_fl_using_dbreg = 1;
} else {
if (ctx->ctx_fl_using_dbreg == 0) {
DBprintk(("system-wide setting fl_using_dbreg for [%d]\n", task->pid));
} else if (first_time) {
ret= -EBUSY;
if ((thread->flags & IA64_THREAD_DBG_VALID) != 0) {
DBprintk(("debug registers already in use for [%d]\n", task->pid));
......@@ -1973,6 +1974,7 @@ pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, stru
/* we mark ourselves as owner of the debug registers */
ctx->ctx_fl_using_dbreg = 1;
DBprintk(("setting fl_using_dbreg for [%d]\n", task->pid));
/*
* Given debug registers cannot be used for both debugging
* and performance monitoring at the same time, we reuse
......@@ -1980,10 +1982,18 @@ pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, stru
*/
memset(task->thread.dbr, 0, sizeof(task->thread.dbr));
memset(task->thread.ibr, 0, sizeof(task->thread.ibr));
}
if (first_time) {
DBprintk(("[%d] clearing ibrs,dbrs\n", task->pid));
/*
* clear hardware registers to make sure we don't
* pick up stale state
* pick up stale state.
*
* for a system wide session, we do not use
* thread.dbr, thread.ibr because this process
* never leaves the current CPU and the state
* is shared by all processes running on it
*/
for (i=0; i < pmu_conf.num_ibrs; i++) {
ia64_set_ibr(i, 0UL);
......@@ -1994,7 +2004,6 @@ pfm_write_ibr_dbr(int mode, struct task_struct *task, void *arg, int count, stru
}
ia64_srlz_d();
}
}
ret = -EFAULT;
......@@ -2361,9 +2370,9 @@ sys_perfmonctl (pid_t pid, int cmd, void *arg, int count, long arg5, long arg6,
{
struct pt_regs *regs = (struct pt_regs *)&stack;
struct task_struct *task = current;
pfm_context_t *ctx = task->thread.pfm_context;
pfm_context_t *ctx;
size_t sz;
int ret = -ESRCH, narg;
int ret, narg;
/*
* reject any call if perfmon was disabled at initialization time
......@@ -2393,6 +2402,8 @@ sys_perfmonctl (pid_t pid, int cmd, void *arg, int count, long arg5, long arg6,
if (pid != current->pid) {
ret = -ESRCH;
read_lock(&tasklist_lock);
task = find_task_by_pid(pid);
......@@ -2407,10 +2418,11 @@ sys_perfmonctl (pid_t pid, int cmd, void *arg, int count, long arg5, long arg6,
ret = check_task_state(task);
if (ret != 0) goto abort_call;
}
ctx = task->thread.pfm_context;
}
}
ctx = task->thread.pfm_context;
if (PFM_CMD_USE_CTX(cmd)) {
ret = -EINVAL;
if (ctx == NULL) {
......@@ -2953,11 +2965,6 @@ perfmon_interrupt (int irq, void *arg, struct pt_regs *regs)
static int
perfmon_proc_info(char *page)
{
#ifdef CONFIG_SMP
#define cpu_is_online(i) (cpu_online_map & (1UL << i))
#else
#define cpu_is_online(i) 1
#endif
char *p = page;
int i;
......@@ -4118,9 +4125,9 @@ pfm_cleanup_notifiers(struct task_struct *task)
}
static struct irqaction perfmon_irqaction = {
handler: perfmon_interrupt,
flags: SA_INTERRUPT,
name: "perfmon"
.handler = perfmon_interrupt,
.flags = SA_INTERRUPT,
.name = "perfmon"
};
......@@ -4150,11 +4157,6 @@ perfmon_init (void)
pal_perf_mon_info_u_t pm_info;
s64 status;
register_percpu_irq(IA64_PERFMON_VECTOR, &perfmon_irqaction);
ia64_set_pmv(IA64_PERFMON_VECTOR);
ia64_srlz_d();
pmu_conf.pfm_is_disabled = 1;
printk("perfmon: version %u.%u (sampling format v%u.%u) IRQ %u\n",
......@@ -4232,6 +4234,9 @@ __initcall(perfmon_init);
void
perfmon_init_percpu (void)
{
if (smp_processor_id() == 0)
register_percpu_irq(IA64_PERFMON_VECTOR, &perfmon_irqaction);
ia64_set_pmv(IA64_PERFMON_VECTOR);
ia64_srlz_d();
}
......
arch/ia64/kernel/perfmon_itanium.h 0 → 100644
View file @ 53405a4e
/*
* 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 @ 53405a4e
/*
* 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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -347,6 +347,14 @@ setup_arch (char **cmdline_p)
#ifdef CONFIG_ACPI_BOOT
acpi_boot_init(*cmdline_p);
#endif
#ifdef CONFIG_SERIAL_HCDP
if (efi.hcdp) {
void setup_serial_hcdp(void *);
/* Setup the serial ports described by HCDP */
setup_serial_hcdp(efi.hcdp);
}
#endif
#ifdef CONFIG_VT
# if defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
......@@ -436,7 +444,7 @@ 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 +463,10 @@ 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 +550,18 @@ cpu_init (void)
extern char __per_cpu_end[];
int cpu = smp_processor_id();
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 @ 53405a4e
......@@ -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 @ 53405a4e
/*
* 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);
}
......@@ -380,11 +350,7 @@ start_secondary (void *unused)
efi_map_pal_code();
cpu_init();
smp_callin();
Dprintk("CPU %d is set to go.\n", smp_processor_id());
while (!atomic_read(&smp_commenced))
cpu_relax();
Dprintk("CPU %d is starting idle.\n", smp_processor_id());
return cpu_idle();
}
......@@ -392,22 +358,20 @@ static struct task_struct * __init
fork_by_hand (void)
{
/*
* don't care about the eip and regs settings since
* we'll never reschedule the forked task.
* don't care about the eip and regs settings since we'll never reschedule the
* forked task.
*/
return do_fork(CLONE_VM|CLONE_IDLETASK, 0, 0, 0);
}
static void __init
do_boot_cpu (int sapicid)
static int __init
do_boot_cpu (int sapicid, int cpu)
{
struct task_struct *idle;
int timeout, cpu;
int timeout;
cpu = ++cpucount;
/*
* We can't use kernel_thread since we must avoid to
* reschedule the child.
* We can't use kernel_thread since we must avoid to reschedule the child.
*/
idle = fork_by_hand();
if (IS_ERR(idle))
......@@ -419,13 +383,11 @@ do_boot_cpu (int sapicid)
*/
init_idle(idle, cpu);
ia64_cpu_to_sapicid[cpu] = sapicid;
unhash_process(idle);
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);
......@@ -448,8 +410,10 @@ do_boot_cpu (int sapicid)
} else {
printk(KERN_ERR "Processor 0x%x/0x%x is stuck.\n", cpu, sapicid);
ia64_cpu_to_sapicid[cpu] = -1;
cpucount--;
clear_bit(cpu, &cpu_online_map); /* was set in smp_callin() */
return -EINVAL;
}
return 0;
}
unsigned long cache_decay_ticks; /* # of ticks an idle task is considered cache-hot */
......@@ -463,22 +427,43 @@ smp_tune_scheduling (void)
(cache_decay_ticks + 1) * 1000 / HZ);
}
/*
* Initialize the logical CPU number to SAPICID mapping
*/
void __init
smp_build_cpu_map (void)
{
int sapicid, cpu, i;
int boot_cpu_id = hard_smp_processor_id();
for (cpu = 0; cpu < NR_CPUS; cpu++)
ia64_cpu_to_sapicid[cpu] = -1;
ia64_cpu_to_sapicid[0] = boot_cpu_id;
phys_cpu_present_map = 1;
for (cpu = 1, i = 0; i < smp_boot_data.cpu_count; i++) {
sapicid = smp_boot_data.cpu_phys_id[i];
if (sapicid == -1 || sapicid == boot_cpu_id)
continue;
phys_cpu_present_map |= (1 << cpu);
ia64_cpu_to_sapicid[cpu] = sapicid;
cpu++;
}
}
/*
* Cycle through the APs sending Wakeup IPIs to boot each.
*/
void __init
smp_boot_cpus (void)
smp_prepare_cpus (unsigned int max_cpus)
{
int sapicid, cpu;
int boot_cpu_id = hard_smp_processor_id();
/*
* Initialize the logical to physical CPU number mapping
* and the per-CPU profiling counter/multiplier
* Initialize the per-CPU profiling counter/multiplier
*/
for (cpu = 0; cpu < NR_CPUS; cpu++)
ia64_cpu_to_sapicid[cpu] = -1;
smp_setup_percpu_timer();
/*
......@@ -492,7 +477,6 @@ smp_boot_cpus (void)
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();
......@@ -501,55 +485,48 @@ smp_boot_cpus (void)
*/
if (!max_cpus || (max_cpus < -1)) {
printk(KERN_INFO "SMP mode deactivated.\n");
cpu_online_map = 1;
goto smp_done;
cpu_online_map = phys_cpu_present_map = 1;
return;
}
if (max_cpus != -1)
printk (KERN_INFO "Limiting CPUs to %d\n", max_cpus);
if (smp_boot_data.cpu_count > 1) {
printk(KERN_INFO "SMP: starting up secondaries.\n");
for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++) {
/*
* Don't even attempt to start the boot CPU!
*/
sapicid = smp_boot_data.cpu_phys_id[cpu];
if ((sapicid == -1) || (sapicid == hard_smp_processor_id()))
continue;
if ((max_cpus > 0) && (cpucount + 1 >= max_cpus))
break;
do_boot_cpu(sapicid);
}
/*
* Make sure we unmap all failed CPUs
*/
if (ia64_cpu_to_sapicid[cpu] == -1)
printk("phys CPU#%d not responding - cannot use it.\n", cpu);
}
void
smp_cpus_done (unsigned int dummy)
{
int cpu;
unsigned long bogosum = 0;
/*
* Allow the user to impress friends.
*/
printk("Before bogomips.\n");
if (!cpucount) {
printk(KERN_ERR "Error: 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(cpu))
bogosum += cpu_data(cpu)->loops_per_jiffy;
printk(KERN_INFO"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
cpucount + 1, bogosum/(500000/HZ), (bogosum/(5000/HZ))%100);
}
}
smp_done:
;
num_online_cpus(), bogosum/(500000/HZ), (bogosum/(5000/HZ))%100);
}
int __devinit
__cpu_up (unsigned int cpu)
{
int ret;
int sapicid;
sapicid = ia64_cpu_to_sapicid[cpu];
if (sapicid == -1)
return -EINVAL;
printk(KERN_INFO "Processor %d/%d is spinning up...\n", sapicid, cpu);
/* Processor goes to start_secondary(), sets online flag */
ret = do_boot_cpu(sapicid, cpu);
if (ret < 0)
return ret;
printk(KERN_INFO "Processor %d has spun up...\n", cpu);
return 0;
}
/*
......@@ -571,9 +548,6 @@ 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 @ 53405a4e
......@@ -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;
......@@ -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 @ 53405a4e
......@@ -41,10 +41,12 @@ 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;
/*
......@@ -55,7 +57,6 @@ do_profile (unsigned long ip)
ip = prof_len - 1;
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 @ 53405a4e
......@@ -49,10 +49,15 @@ static fpswa_interface_t *fpswa_interface;
void __init
trap_init (void)
{
printk("fpswa interface at %lx\n", ia64_boot_param->fpswa);
if (ia64_boot_param->fpswa)
int major = 0, minor = 0;
if (ia64_boot_param->fpswa) {
/* FPSWA fixup: make the interface pointer a kernel virtual address: */
fpswa_interface = __va(ia64_boot_param->fpswa);
major = fpswa_interface->revision & 0xffff;
minor = fpswa_interface->revision >> 16;
}
printk("fpswa interface at %lx (rev %d.%d)\n", ia64_boot_param->fpswa, major, minor);
}
/*
......@@ -62,14 +67,14 @@ 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();
#endif
......@@ -82,7 +87,6 @@ bust_spinlocks (int yes)
console_loglevel = 15; /* NMI oopser may have shut the console up */
printk(" ");
console_loglevel = loglevel_save;
}
}
void
......@@ -93,9 +97,9 @@ 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()) {
......@@ -131,6 +135,8 @@ ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
siginfo_t siginfo;
int sig, code;
die_if_kernel("bad break", regs, break_num);
/* SIGILL, SIGFPE, SIGSEGV, and SIGBUS want these field initialized: */
siginfo.si_addr = (void *) (regs->cr_iip + ia64_psr(regs)->ri);
siginfo.si_imm = break_num;
......@@ -247,10 +253,9 @@ disabled_fph_fault (struct pt_regs *regs)
if (fpu_owner)
ia64_flush_fph(fpu_owner);
ia64_set_fpu_owner(current);
}
#endif /* !CONFIG_SMP */
ia64_set_fpu_owner(current);
if ((current->thread.flags & IA64_THREAD_FPH_VALID) != 0) {
__ia64_load_fpu(current->thread.fph);
psr->mfh = 0;
......@@ -435,7 +440,7 @@ 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 +484,30 @@ 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 +520,7 @@ 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 +537,15 @@ 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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -9,40 +9,48 @@ 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 \
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
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 @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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 @ 53405a4e
This diff is collapsed.
arch/ia64/lib/swiotlb.c
View file @ 53405a4e
......@@ -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 @ 53405a4e
......@@ -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
......@@ -95,7 +108,7 @@ free_initmem (void)
addr = (unsigned long) &__init_begin;
for (; addr < (unsigned long) &__init_end; addr += PAGE_SIZE) {
clear_bit(PG_reserved, &virt_to_page(addr)->flags);
ClearPageReserved(virt_to_page(addr));
set_page_count(virt_to_page(addr), 1);
free_page(addr);
++totalram_pages;
......@@ -149,9 +162,9 @@ free_initrd_mem (unsigned long start, unsigned long end)
if (!virt_addr_valid(start))
continue;
page = virt_to_page(start);
clear_bit(PG_reserved, &page->flags);
ClearPageReserved(page);
set_page_count(page, 1);
__free_page(page);
free_page(start);
++totalram_pages;
}
}
......
arch/ia64/mm/tlb.c
View file @ 53405a4e
......@@ -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
......
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......@@ -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 */
};
......
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