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Commit 48c4eaed authored by Steve French's avatar Steve French
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Merge bk://linux.bkbits.net/linux-2.5 

into hostme.bitkeeper.com:/repos/c/cifs/linux-2.5cifs
parents 591551e9 425675c4
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CREDITS
View file @ 48c4eaed
......@@ -3612,6 +3612,14 @@ D: MD driver
D: EISA/sysfs subsystem
S: France
N: Luiz Fernando N. Capitulino
E: lcapitulino@terra.com.br
E: lcapitulino@prefeitura.sp.gov.br
W: http://www.telecentros.sp.gov.br
D: Little fixes and a lot of janitorial work
S: E-GOV Telecentros SP
S: Brazil
# Don't add your name here, unless you really _are_ after Marc
# alphabetically. Leonard used to be very proud of being the
# last entry, and he'll get positively pissed if he can't even
......
Documentation/DMA-API.txt
View file @ 48c4eaed
......@@ -162,6 +162,20 @@ parameters if it is.
Returns: 1 if successful and 0 if not
u64
dma_get_required_mask(struct device *dev)
After setting the mask with dma_set_mask(), this API returns the
actual mask (within that already set) that the platform actually
requires to operate efficiently. Usually this means the returned mask
is the minimum required to cover all of memory. Examining the
required mask gives drivers with variable descriptor sizes the
opportunity to use smaller descriptors as necessary.
Requesting the required mask does not alter the current mask. If you
wish to take advantage of it, you should issue another dma_set_mask()
call to lower the mask again.
Part Id - Streaming DMA mappings
--------------------------------
......
Documentation/i386/zero-page.txt
View file @ 48c4eaed
......@@ -38,6 +38,7 @@ Offset Type Description
0x1e0 unsigned long ALT_MEM_K, alternative mem check, in Kb
0x1e8 char number of entries in E820MAP (below)
0x1e9 unsigned char number of entries in EDDBUF (below)
0x1ea unsigned char number of entries in EDD_MBR_SIG_BUFFER (below)
0x1f1 char size of setup.S, number of sectors
0x1f2 unsigned short MOUNT_ROOT_RDONLY (if !=0)
0x1f4 unsigned short size of compressed kernel-part in the
......@@ -72,7 +73,7 @@ Offset Type Description
0x21c unsigned long INITRD_SIZE, size in bytes of ramdisk image
0x220 4 bytes (setup.S)
0x224 unsigned short setup.S heap end pointer
0x2cc 4 bytes DISK80_SIG_BUFFER (setup.S)
0x290 - 0x2cf EDD_MBR_SIG_BUFFER (edd.S)
0x2d0 - 0x600 E820MAP
0x600 - 0x7ff EDDBUF (setup.S) for disk signature read sector
0x600 - 0x7eb EDDBUF (setup.S) for edd data
0x600 - 0x7ff EDDBUF (edd.S) for disk signature read sector
0x600 - 0x7eb EDDBUF (edd.S) for edd data
Documentation/usb/philips.txt
View file @ 48c4eaed
This file contains some additional information for the Philips webcams.
E-mail: webcam@smcc.demon.nl Last updated: 2001-09-24
The main webpage for the Philips driver is http://www.smcc.demon.nl/webcam/.
It contains a lot of extra information, a FAQ, and the binary plugin
'PWCX'. This plugin contains decompression routines that allow you to
use higher image sizes and framerates; in addition the webcam uses less
bandwidth on the USB bus (handy if you want to run more than 1 camera
simultaneously). These routines fall under an NDA, and may therefor not be
distributed as source; however, its use is completely optional.
This file contains some additional information for the Philips and OEM webcams.
E-mail: webcam@smcc.demon.nl Last updated: 2004-01-19
Site: http://www.smcc.demon.nl/webcam/
As of this moment, the following cameras are supported:
* Philips PCA645
* Philips PCA646
* Philips PCVC675
* Philips PCVC680
* Philips PCVC690
* Philips PCVC720/40
* Philips PCVC730
* Philips PCVC740
* Philips PCVC750
* Askey VC010
* Creative Labs Webcam 5
* Creative Labs Webcam Pro Ex
* Logitech QuickCam 3000 Pro
* Logitech QuickCam 4000 Pro
* Logitech QuickCam Notebook Pro
* Logitech QuickCam Zoom
* Logitech QuickCam Orbit
* Logitech QuickCam Sphere
* Samsung MPC-C10
* Samsung MPC-C30
* Sotec Afina Eye
* AME CU-001
* Visionite VCS-UM100
* Visionite VCS-UC300
The main webpage for the Philips driver is at the address above. It contains
a lot of extra information, a FAQ, and the binary plugin 'PWCX'. This plugin
contains decompression routines that allow you to use higher image sizes and
framerates; in addition the webcam uses less bandwidth on the USB bus (handy
if you want to run more than 1 camera simultaneously). These routines fall
under a NDA, and may therefor not be distributed as source; however, its use
is completely optional.
You can build this code either into your kernel, or as a module. I recommend
the latter, since it makes troubleshooting a lot easier. The built-in
......@@ -27,14 +54,14 @@ fps
Specifies the desired framerate. Is an integer in the range of 4-30.
fbufs
This parameter specifies the number of internal buffers to use for storing
This paramter specifies the number of internal buffers to use for storing
frames from the cam. This will help if the process that reads images from
the cam is a bit slow or momentarily busy. However, on slow machines it
the cam is a bit slow or momentarely busy. However, on slow machines it
only introduces lag, so choose carefully. The default is 3, which is
reasonable. You can set it between 2 and 5.
mbufs
This is an integer between 1 and 4. It will tell the module the number of
This is an integer between 1 and 10. It will tell the module the number of
buffers to reserve for mmap(), VIDIOCCGMBUF, VIDIOCMCAPTURE and friends.
The default is 2, which is adequate for most applications (double
buffering).
......@@ -45,9 +72,9 @@ mbufs
slack when your program is behind. But you need a multi-threaded or
forked program to really take advantage of these buffers.
The absolute maximum is 4, but don't set it too high! Every buffer takes
up 1.22 MB of RAM, so unless you have a lot of memory setting this to
something more than 2 is an absolute waste. This memory is only
The absolute maximum is 10, but don't set it too high! Every buffer takes
up 460 KB of RAM, so unless you have a lot of memory setting this to
something more than 4 is an absolute waste. This memory is only
allocated during open(), so nothing is wasted when the camera is not in
use.
......@@ -74,9 +101,10 @@ compression (only useful with the plugin)
introduce some unwanted artefacts. The default is 2, medium compression.
See the FAQ on the website for an overview of which modes require
compression.
The compression parameter only applies to the Vesta & ToUCam cameras.
The 645 and 646 have fixed compression parameters.
The compression parameter does not apply to the 645 and 646 cameras
and OEM models derived from those (only a few). Most cams honour this
parameter.
leds
This settings takes 2 integers, that define the on/off time for the LED
......@@ -89,14 +117,17 @@ leds
leds=0,0
the LED never goes on, making it suitable for silent survaillance.
the LED never goes on, making it suitable for silent surveillance.
By default the camera's LED is on solid while in use, and turned off
when the camera is not used anymore.
This parameter works only with the ToUCam range of cameras (730, 740,
750). For other cameras this command is silently ignored, and the LED
cannot be controlled.
This parameter works only with the ToUCam range of cameras (720, 730, 740,
750) and OEMs. For other cameras this command is silently ignored, and
the LED cannot be controlled.
Finally: this parameters does not take effect UNTIL the first time you
open the camera device. Until then, the LED remains on.
dev_hint
A long standing problem with USB devices is their dynamic nature: you
......@@ -126,7 +157,7 @@ dev_hint
other cameras will get the first free
available slot (see below).
dev_hint=645:1,680=2 The PCA645 camera will get /dev/video1,
dev_hint=645:1,680:2 The PCA645 camera will get /dev/video1,
and a PCVC680 /dev/video2.
dev_hint=645.0123:3,645.4567:0 The PCA645 camera with serialnumber
......@@ -176,13 +207,16 @@ trace
64 0x40 Show viewport and image sizes Off
128 0x80 PWCX debugging Off
For example, to trace the open() & read() fuctions, sum 8 + 4 = 12,
so you would supply trace=12 during insmod or modprobe. If
you want to turn the initialization and probing tracing off, set trace=0.
The default value for trace is 35 (0x23).
Example:
Example:
# modprobe pwc size=cif fps=15 power_save=1
......@@ -192,7 +226,7 @@ cameras. Each camera has its own set of buffers.
size and fps only specify defaults when you open() the device; this is to
accommodate some tools that don't set the size. You can change these
settings after open() with the Video4Linux ioctl() calls. The default of
defaults is QCIF size at 10 fps, BGR order.
defaults is QCIF size at 10 fps.
The compression parameter is semiglobal; it sets the initial compression
preference for all camera's, but this parameter can be set per camera with
......@@ -200,4 +234,3 @@ the VIDIOCPWCSCQUAL ioctl() call.
All parameters are optional.
MAINTAINERS
View file @ 48c4eaed
......@@ -1978,16 +1978,26 @@ W: http://mpeg.openprojects.net/
W: http://www.stradis.com/
S: Maintained
SUPERH
P: Niibe Yutaka
M: gniibe@m17n.org
SUPERH (sh)
P: Paul Mundt
M: lethal@linux-sh.org
P: Kazumoto Kojima
M: kkojima@rr.iij4u.or.jp
L: linux-sh@m17n.org
W: http://www.linux-sh.org
W: http://www.m17n.org/linux-sh/
W: http://www.rr.iij4u.or.jp/~kkojima/linux-sh4.html
S: Maintained
SUPERH64 (sh64)
P: Paul Mundt
M: lethal@linux-sh.org
P: Richard Curnow
M: richard.curnow@superh.com
L: linuxsh-shmedia-dev@lists.sourceforge.net
W: http://www.linux-sh.org
S: Maintained
SUN3/3X
P: Sam Creasey
M: sammy@sammy.net
......
Makefile
View file @ 48c4eaed
......@@ -1082,7 +1082,7 @@ endif #ifeq ($(mixed-targets),1)
.PHONY: checkstack
checkstack:
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
$(PERL) scripts/checkstack.pl $(ARCH)
$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
# FIXME Should go into a make.lib or something
# ===========================================================================
......
arch/alpha/kernel/time.c
View file @ 48c4eaed
......@@ -523,7 +523,6 @@ EXPORT_SYMBOL(do_settimeofday);
* sets the minutes. Usually you won't notice until after reboot!
*/
extern int abs(int);
static int
set_rtc_mmss(unsigned long nowtime)
......
arch/i386/boot/edd.S
View file @ 48c4eaed
......@@ -4,7 +4,7 @@
* conformant to T13 Committee www.t13.org
* projects 1572D, 1484D, 1386D, 1226DT
* disk signature read by Matt Domsch <Matt_Domsch@dell.com>
* and Andrew Wilks <Andrew_Wilks@dell.com> September 2003
* and Andrew Wilks <Andrew_Wilks@dell.com> September 2003, June 2004
* legacy CHS retreival by Patrick J. LoPresti <patl@users.sourceforge.net>
* March 2004
*/
......@@ -12,28 +12,39 @@
#include <linux/edd.h>
#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
# Read the first sector of device 80h and store the 4-byte signature
# Read the first sector of each BIOS disk device and store the 4-byte signature
edd_mbr_sig_start:
movb $0, (EDD_MBR_SIG_NR_BUF) # zero value at EDD_MBR_SIG_NR_BUF
movb $0x80, %dl # from device 80
movw $EDD_MBR_SIG_BUF, %bx # store buffer ptr in bx
edd_mbr_sig_read:
movl $0xFFFFFFFF, %eax
movl %eax, (DISK80_SIG_BUFFER) # assume failure
movl %eax, (%bx) # assume failure
pushw %bx
movb $READ_SECTORS, %ah
movb $1, %al # read 1 sector
movb $0x80, %dl # from device 80
movb $0, %dh # at head 0
movw $1, %cx # cylinder 0, sector 0
pushw %es
pushw %ds
popw %es
movw $EDDBUF, %bx
pushw %dx # work around buggy BIOSes
movw $EDDBUF, %bx # disk's data goes into EDDBUF
pushw %dx # work around buggy BIOSes
stc # work around buggy BIOSes
int $0x13
int $0x13
sti # work around buggy BIOSes
popw %dx
jc disk_sig_done
movl (EDDBUF+MBR_SIG_OFFSET), %eax
movl %eax, (DISK80_SIG_BUFFER) # store success
disk_sig_done:
popw %dx
popw %es
popw %bx
jc edd_mbr_sig_done # on failure, we're done.
movl (EDDBUF+EDD_MBR_SIG_OFFSET), %eax # read sig out of the MBR
movl %eax, (%bx) # store success
incb (EDD_MBR_SIG_NR_BUF) # note that we stored something
incb %dl # increment to next device
addw $4, %bx # increment sig buffer ptr
cmpb $EDD_MBR_SIG_MAX, (EDD_MBR_SIG_NR_BUF) # Out of space?
jb edd_mbr_sig_read # keep looping
edd_mbr_sig_done:
# Do the BIOS Enhanced Disk Drive calls
# This consists of two calls:
......
arch/i386/kernel/microcode.c
View file @ 48c4eaed
/*
* Intel CPU Microcode Update driver for Linux
* Intel CPU Microcode Update Driver for Linux
*
* Copyright (C) 2000 Tigran Aivazian
* Copyright (C) 2000-2004 Tigran Aivazian
*
* This driver allows to upgrade microcode on Intel processors
* belonging to IA-32 family - PentiumPro, Pentium II,
......@@ -32,7 +32,7 @@
* Added misc device support (now uses both devfs and misc).
* Added MICROCODE_IOCFREE ioctl to clear memory.
* 1.05 09 Jun 2000, Simon Trimmer <simon@veritas.com>
* Messages for error cases (non intel & no suitable microcode).
* Messages for error cases (non Intel & no suitable microcode).
* 1.06 03 Aug 2000, Tigran Aivazian <tigran@veritas.com>
* Removed ->release(). Removed exclusive open and status bitmap.
* Added microcode_rwsem to serialize read()/write()/ioctl().
......@@ -64,6 +64,9 @@
* Removed ->read() method and obsoleted MICROCODE_IOCFREE ioctl
* because we no longer hold a copy of applied microcode
* in kernel memory.
* 1.14 25 Jun 2004 Tigran Aivazian <tigran@veritas.com>
* Fix sigmatch() macro to handle old CPUs with pf == 0.
* Thanks to Stuart Swales for pointing out this bug.
*/
......@@ -80,11 +83,11 @@
#include <asm/uaccess.h>
#include <asm/processor.h>
MODULE_DESCRIPTION("Intel CPU (IA-32) microcode update driver");
MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver");
MODULE_AUTHOR("Tigran Aivazian <tigran@veritas.com>");
MODULE_LICENSE("GPL");
#define MICROCODE_VERSION "1.13"
#define MICROCODE_VERSION "1.14"
#define MICRO_DEBUG 0
#if MICRO_DEBUG
#define dprintk(x...) printk(KERN_INFO x)
......@@ -104,7 +107,10 @@ MODULE_LICENSE("GPL");
#define get_datasize(mc) \
(((microcode_t *)mc)->hdr.datasize ? \
((microcode_t *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE)
#define sigmatch(s1, s2, p1, p2) (((s1) == (s2)) && ((p1) & (p2)))
#define sigmatch(s1, s2, p1, p2) \
(((s1) == (s2)) && (((p1) & (p2)) || (((p1) == 0) && ((p2) == 0))))
#define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
/* serialize access to the physical write to MSR 0x79 */
......@@ -363,7 +369,7 @@ static void do_update_one (void * unused)
struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
if (uci->mc == NULL) {
printk(KERN_INFO "microcode: No suitable data for cpu %d\n", cpu_num);
printk(KERN_INFO "microcode: No suitable data for CPU%d\n", cpu_num);
return;
}
......@@ -495,16 +501,14 @@ static int __init microcode_init (void)
}
printk(KERN_INFO
"IA-32 Microcode Update Driver: v%s <tigran@veritas.com>\n",
MICROCODE_VERSION);
"IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@veritas.com>\n");
return 0;
}
static void __exit microcode_exit (void)
{
misc_deregister(&microcode_dev);
printk(KERN_INFO "IA-32 Microcode Update Driver v%s unregistered\n",
MICROCODE_VERSION);
printk(KERN_INFO "IA-32 Microcode Update Driver v" MICROCODE_VERSION " unregistered\n");
}
module_init(microcode_init)
......
arch/i386/kernel/setup.c
View file @ 48c4eaed
......@@ -628,13 +628,9 @@ static int __init copy_e820_map(struct e820entry * biosmap, int nr_map)
}
#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
unsigned char eddnr;
struct edd_info edd[EDDMAXNR];
unsigned int edd_disk80_sig;
struct edd edd;
#ifdef CONFIG_EDD_MODULE
EXPORT_SYMBOL(eddnr);
EXPORT_SYMBOL(edd);
EXPORT_SYMBOL(edd_disk80_sig);
#endif
/**
* copy_edd() - Copy the BIOS EDD information
......@@ -643,12 +639,15 @@ EXPORT_SYMBOL(edd_disk80_sig);
*/
static inline void copy_edd(void)
{
eddnr = EDD_NR;
memcpy(edd, EDD_BUF, sizeof(edd));
edd_disk80_sig = DISK80_SIGNATURE;
memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature));
memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info));
edd.mbr_signature_nr = EDD_MBR_SIG_NR;
edd.edd_info_nr = EDD_NR;
}
#else
#define copy_edd() do {} while (0)
static inline void copy_edd(void)
{
}
#endif
/*
......
arch/i386/kernel/time_hpet.c
View file @ 48c4eaed
......@@ -155,9 +155,9 @@ int __init hpet_enable(void)
hd.hd_address = hpet_virt_address;
hd.hd_nirqs = ntimer;
hd.hd_flags = HPET_DATA_PLATFORM;
HD_STATE(&hd, 0);
hpet_reserve_timer(&hd, 0);
#ifdef CONFIG_HPET_EMULATE_RTC
HD_STATE(&hd, 1);
hpet_reserve_timer(&hd, 1);
#endif
hd.hd_irq[0] = HPET_LEGACY_8254;
hd.hd_irq[1] = HPET_LEGACY_RTC;
......
arch/i386/lib/usercopy.c
View file @ 48c4eaed
......@@ -219,7 +219,7 @@ long strnlen_user(const char __user *s, long n)
#ifdef CONFIG_X86_INTEL_USERCOPY
static unsigned long
__copy_user_intel(void *to, const void *from,unsigned long size)
__copy_user_intel(void __user *to, const void *from, unsigned long size)
{
int d0, d1;
__asm__ __volatile__(
......@@ -326,7 +326,7 @@ __copy_user_intel(void *to, const void *from,unsigned long size)
}
static unsigned long
__copy_user_zeroing_intel(void *to, const void *from, unsigned long size)
__copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
{
int d0, d1;
__asm__ __volatile__(
......@@ -425,9 +425,9 @@ __copy_user_zeroing_intel(void *to, const void *from, unsigned long size)
* them
*/
unsigned long
__copy_user_zeroing_intel(void *to, const void *from, unsigned long size);
__copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size);
unsigned long
__copy_user_intel(void *to, const void *from,unsigned long size);
__copy_user_intel(void __user *to, const void *from, unsigned long size);
#endif /* CONFIG_X86_INTEL_USERCOPY */
/* Generic arbitrary sized copy. */
......@@ -562,9 +562,9 @@ unsigned long __copy_to_user_ll(void __user *to, const void *from, unsigned long
}
#endif
if (movsl_is_ok(to, from, n))
__copy_user((void *)to, from, n);
__copy_user(to, from, n);
else
n = __copy_user_intel((void *)to, from, n);
n = __copy_user_intel(to, from, n);
return n;
}
......@@ -572,9 +572,9 @@ unsigned long
__copy_from_user_ll(void *to, const void __user *from, unsigned long n)
{
if (movsl_is_ok(to, from, n))
__copy_user_zeroing(to, (const void *) from, n);
__copy_user_zeroing(to, from, n);
else
n = __copy_user_zeroing_intel(to, (const void *) from, n);
n = __copy_user_zeroing_intel(to, from, n);
return n;
}
......
arch/i386/mm/hugetlbpage.c
View file @ 48c4eaed
......@@ -146,9 +146,6 @@ follow_huge_addr(struct mm_struct *mm, unsigned long address, int write)
struct page *page;
struct vm_area_struct *vma;
if (! mm->used_hugetlb)
return ERR_PTR(-EINVAL);
vma = find_vma(mm, addr);
if (!vma || !is_vm_hugetlb_page(vma))
return ERR_PTR(-EINVAL);
......
arch/ia64/Kconfig
View file @ 48c4eaed
......@@ -388,7 +388,7 @@ config IA64_GRANULE_16MB
config IA64_GRANULE_64MB
bool "64MB"
depends on !(IA64_GENERIC || IA64_HP_ZX1)
depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_SGI_SN2)
endchoice
......
arch/ia64/Makefile
View file @ 48c4eaed
......@@ -43,7 +43,8 @@ endif
ifeq ($(GCC_VERSION),3)
ifeq ($(GCC_MINOR_VERSION),4)
cflags-$(CONFIG_ITANIUM) += -mtune=merced
# Workaround Itanium 1 bugs in gcc 3.4.
# cflags-$(CONFIG_ITANIUM) += -mtune=merced
cflags-$(CONFIG_MCKINLEY) += -mtune=mckinley
endif
endif
......
arch/ia64/configs/sn2_defconfig
View file @ 48c4eaed
This diff is collapsed.
arch/ia64/kernel/efi_stub.S
View file @ 48c4eaed
......@@ -44,7 +44,7 @@
GLOBAL_ENTRY(efi_call_phys)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8)
alloc loc1=ar.pfs,8,5,7,0
alloc loc1=ar.pfs,8,7,7,0
ld8 r2=[in0],8 // load EFI function's entry point
mov loc0=rp
.body
......@@ -70,9 +70,13 @@ GLOBAL_ENTRY(efi_call_phys)
mov out3=in4
mov out5=in6
mov out6=in7
mov loc5=r19
mov loc6=r20
br.call.sptk.many rp=b6 // call the EFI function
.ret1: mov ar.rsc=0 // put RSE in enforced lazy, LE mode
mov r16=loc3
mov r19=loc5
mov r20=loc6
br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
.ret2: mov ar.rsc=loc4 // restore RSE configuration
mov ar.pfs=loc1
......
arch/ia64/kernel/entry.S
View file @ 48c4eaed
......@@ -182,7 +182,7 @@ GLOBAL_ENTRY(ia64_switch_to)
movl r25=init_task
mov r27=IA64_KR(CURRENT_STACK)
adds r21=IA64_TASK_THREAD_KSP_OFFSET,in0
dep r20=0,in0,61,3 // physical address of "current"
dep r20=0,in0,61,3 // physical address of "next"
;;
st8 [r22]=sp // save kernel stack pointer of old task
shr.u r26=r20,IA64_GRANULE_SHIFT
......@@ -195,7 +195,7 @@ GLOBAL_ENTRY(ia64_switch_to)
(p6) br.cond.dpnt .map
;;
.done:
(p6) ssm psr.ic // if we we had to map, renable the psr.ic bit FIRST!!!
(p6) ssm psr.ic // if we had to map, reenable the psr.ic bit FIRST!!!
;;
(p6) srlz.d
ld8 sp=[r21] // load kernel stack pointer of new task
......
arch/ia64/kernel/head.S
View file @ 48c4eaed
......@@ -67,7 +67,7 @@ start_ap:
* Initialize kernel region registers:
* rr[5]: VHPT enabled, page size = PAGE_SHIFT
* rr[6]: VHPT disabled, page size = IA64_GRANULE_SHIFT
* rr[5]: VHPT disabled, page size = IA64_GRANULE_SHIFT
* rr[7]: VHPT disabled, page size = IA64_GRANULE_SHIFT
*/
mov r16=((ia64_rid(IA64_REGION_ID_KERNEL, (5<<61)) << 8) | (PAGE_SHIFT << 2) | 1)
movl r17=(5<<61)
......@@ -154,8 +154,7 @@ start_ap:
#endif
;;
tpa r3=r2 // r3 == phys addr of task struct
;;
shr.u r16=r3,IA64_GRANULE_SHIFT
mov r16=-1
(isBP) br.cond.dpnt .load_current // BP stack is on region 5 --- no need to map it
// load mapping for stack (virtaddr in r2, physaddr in r3)
......@@ -169,6 +168,7 @@ start_ap:
dep r2=-1,r3,61,3 // IMVA of task
;;
mov r17=rr[r2]
shr.u r16=r3,IA64_GRANULE_SHIFT
;;
dep r17=0,r17,8,24
;;
......@@ -706,6 +706,9 @@ END(__ia64_init_fpu)
*
* Inputs:
* r16 = new psr to establish
* Output:
* r19 = old virtual address of ar.bsp
* r20 = old virtual address of sp
*
* Note: RSE must already be in enforced lazy mode
*/
......@@ -724,12 +727,13 @@ GLOBAL_ENTRY(ia64_switch_mode_phys)
mov cr.ipsr=r16 // set new PSR
add r3=1f-ia64_switch_mode_phys,r15
mov r17=ar.bsp
mov r19=ar.bsp
mov r20=sp
mov r14=rp // get return address into a general register
;;
// going to physical mode, use tpa to translate virt->phys
tpa r17=r17
tpa r17=r19
tpa r3=r3
tpa sp=sp
tpa r14=r14
......@@ -752,6 +756,8 @@ END(ia64_switch_mode_phys)
*
* Inputs:
* r16 = new psr to establish
* r19 = new bspstore to establish
* r20 = new sp to establish
*
* Note: RSE must already be in enforced lazy mode
*/
......@@ -770,7 +776,6 @@ GLOBAL_ENTRY(ia64_switch_mode_virt)
mov cr.ipsr=r16 // set new PSR
add r3=1f-ia64_switch_mode_virt,r15
mov r17=ar.bsp
mov r14=rp // get return address into a general register
;;
......@@ -781,15 +786,14 @@ GLOBAL_ENTRY(ia64_switch_mode_virt)
movl r18=KERNEL_START
dep r3=0,r3,KERNEL_TR_PAGE_SHIFT,64-KERNEL_TR_PAGE_SHIFT
dep r14=0,r14,KERNEL_TR_PAGE_SHIFT,64-KERNEL_TR_PAGE_SHIFT
dep r17=-1,r17,61,3
dep sp=-1,sp,61,3
mov sp=r20
;;
or r3=r3,r18
or r14=r14,r18
;;
mov r18=ar.rnat // save ar.rnat
mov ar.bspstore=r17 // this steps on ar.rnat
mov ar.bspstore=r19 // this steps on ar.rnat
mov cr.iip=r3
mov cr.ifs=r0
;;
......
arch/ia64/kernel/iosapic.c
View file @ 48c4eaed
......@@ -217,10 +217,8 @@ set_rte (unsigned int vector, unsigned int dest, int mask)
spin_lock_irqsave(&iosapic_lock, flags);
{
writel(IOSAPIC_RTE_HIGH(rte_index), addr + IOSAPIC_REG_SELECT);
writel(high32, addr + IOSAPIC_WINDOW);
writel(IOSAPIC_RTE_LOW(rte_index), addr + IOSAPIC_REG_SELECT);
writel(low32, addr + IOSAPIC_WINDOW);
iosapic_write(addr, IOSAPIC_RTE_HIGH(rte_index), high32);
iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32);
iosapic_intr_info[vector].low32 = low32;
}
spin_unlock_irqrestore(&iosapic_lock, flags);
......@@ -249,12 +247,9 @@ mask_irq (unsigned int irq)
spin_lock_irqsave(&iosapic_lock, flags);
{
writel(IOSAPIC_RTE_LOW(rte_index), addr + IOSAPIC_REG_SELECT);
/* set only the mask bit */
low32 = iosapic_intr_info[vec].low32 |= IOSAPIC_MASK;
writel(low32, addr + IOSAPIC_WINDOW);
iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32);
}
spin_unlock_irqrestore(&iosapic_lock, flags);
}
......@@ -275,9 +270,8 @@ unmask_irq (unsigned int irq)
spin_lock_irqsave(&iosapic_lock, flags);
{
writel(IOSAPIC_RTE_LOW(rte_index), addr + IOSAPIC_REG_SELECT);
low32 = iosapic_intr_info[vec].low32 &= ~IOSAPIC_MASK;
writel(low32, addr + IOSAPIC_WINDOW);
iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32);
}
spin_unlock_irqrestore(&iosapic_lock, flags);
}
......@@ -325,10 +319,8 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask)
low32 |= (IOSAPIC_FIXED << IOSAPIC_DELIVERY_SHIFT);
iosapic_intr_info[vec].low32 = low32;
writel(IOSAPIC_RTE_HIGH(rte_index), addr + IOSAPIC_REG_SELECT);
writel(high32, addr + IOSAPIC_WINDOW);
writel(IOSAPIC_RTE_LOW(rte_index), addr + IOSAPIC_REG_SELECT);
writel(low32, addr + IOSAPIC_WINDOW);
iosapic_write(addr, IOSAPIC_RTE_HIGH(rte_index), high32);
iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32);
}
spin_unlock_irqrestore(&iosapic_lock, flags);
#endif
......@@ -351,7 +343,7 @@ iosapic_end_level_irq (unsigned int irq)
ia64_vector vec = irq_to_vector(irq);
move_irq(irq);
writel(vec, iosapic_intr_info[vec].addr + IOSAPIC_EOI);
iosapic_eoi(iosapic_intr_info[vec].addr, vec);
}
#define iosapic_shutdown_level_irq mask_irq
......@@ -428,8 +420,7 @@ iosapic_version (char *addr)
* unsigned int reserved2 : 8;
* }
*/
writel(IOSAPIC_VERSION, addr + IOSAPIC_REG_SELECT);
return readl(IOSAPIC_WINDOW + addr);
return iosapic_read(addr, IOSAPIC_VERSION);
}
/*
......
arch/ia64/kernel/mca.c
View file @ 48c4eaed
......@@ -256,7 +256,7 @@ ia64_mca_log_sal_error_record(int sal_info_type)
salinfo_log_wakeup(sal_info_type, buffer, size, irq_safe);
if (irq_safe)
printk(KERN_INFO "CPU %d: SAL log contains %s error record\n",
IA64_MCA_DEBUG("CPU %d: SAL log contains %s error record\n",
smp_processor_id(),
sal_info_type < ARRAY_SIZE(rec_name) ? rec_name[sal_info_type] : "UNKNOWN");
......
arch/ia64/kernel/module.c
View file @ 48c4eaed
......@@ -656,8 +656,26 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
case RV_PCREL:
switch (r_type) {
case R_IA64_PCREL21B:
/* special because it can cross into other module/kernel-core. */
if (!is_internal(mod, val))
if (in_init(mod, val)) {
/* Calls to init code from core are bad news */
if (in_core(mod, (uint64_t)location)) {
printk(KERN_ERR "%s: init symbol 0x%lx used in module code at %p\n",
mod->name, val, location);
return -ENOEXEC;
}
} else if (in_core(mod, val)) {
/*
* Init section may have been allocated far away from core,
* if the branch won't reach, then allocate a plt for it.
*/
if (in_init(mod, (uint64_t)location)) {
uint64_t delta = ((int64_t)val - (int64_t)location) / 16;
if (delta + (1 << 20) >= (1 << 21)) {
val = get_fdesc(mod, val, &ok);
val = get_plt(mod, location, val, &ok);
}
}
} else
val = get_plt(mod, location, val, &ok);
/* FALL THROUGH */
default:
......
arch/ia64/kernel/pal.S
View file @ 48c4eaed
......@@ -55,7 +55,7 @@ END(ia64_pal_default_handler)
*/
GLOBAL_ENTRY(ia64_pal_call_static)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(6)
alloc loc1 = ar.pfs,6,90,0,0
alloc loc1 = ar.pfs,5,5,0,0
movl loc2 = pal_entry_point
1: {
mov r28 = in0
......@@ -66,7 +66,9 @@ GLOBAL_ENTRY(ia64_pal_call_static)
ld8 loc2 = [loc2] // loc2 <- entry point
tbit.nz p6,p7 = in4, 0
adds r8 = 1f-1b,r8
mov loc4=ar.rsc // save RSE configuration
;;
mov ar.rsc=0 // put RSE in enforced lazy, LE mode
mov loc3 = psr
mov loc0 = rp
.body
......@@ -82,6 +84,7 @@ GLOBAL_ENTRY(ia64_pal_call_static)
mov rp = r8
br.cond.sptk.many b7
1: mov psr.l = loc3
mov ar.rsc = loc4 // restore RSE configuration
mov ar.pfs = loc1
mov rp = loc0
;;
......@@ -98,7 +101,7 @@ END(ia64_pal_call_static)
*/
GLOBAL_ENTRY(ia64_pal_call_stacked)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(5)
alloc loc1 = ar.pfs,5,4,87,0
alloc loc1 = ar.pfs,4,4,4,0
movl loc2 = pal_entry_point
mov r28 = in0 // Index MUST be copied to r28
......@@ -145,7 +148,7 @@ END(ia64_pal_call_stacked)
GLOBAL_ENTRY(ia64_pal_call_phys_static)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(6)
alloc loc1 = ar.pfs,6,90,0,0
alloc loc1 = ar.pfs,4,7,0,0
movl loc2 = pal_entry_point
1: {
mov r28 = in0 // copy procedure index
......@@ -176,10 +179,14 @@ GLOBAL_ENTRY(ia64_pal_call_phys_static)
andcm r16=loc3,r16 // removes bits to clear from psr
br.call.sptk.many rp=ia64_switch_mode_phys
.ret1: mov rp = r8 // install return address (physical)
mov loc5 = r19
mov loc6 = r20
br.cond.sptk.many b7
1:
mov ar.rsc=0 // put RSE in enforced lazy, LE mode
mov r16=loc3 // r16= original psr
mov r19=loc5
mov r20=loc6
br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
.ret2:
mov psr.l = loc3 // restore init PSR
......@@ -201,7 +208,7 @@ END(ia64_pal_call_phys_static)
*/
GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(5)
alloc loc1 = ar.pfs,5,5,86,0
alloc loc1 = ar.pfs,5,7,4,0
movl loc2 = pal_entry_point
1: {
mov r28 = in0 // copy procedure index
......@@ -230,10 +237,14 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
andcm r16=loc3,r16 // removes bits to clear from psr
br.call.sptk.many rp=ia64_switch_mode_phys
.ret6:
mov loc5 = r19
mov loc6 = r20
br.call.sptk.many rp=b7 // now make the call
.ret7:
mov ar.rsc=0 // put RSE in enforced lazy, LE mode
mov r16=loc3 // r16= original psr
mov r19=loc5
mov r20=loc6
br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
.ret8: mov psr.l = loc3 // restore init PSR
......
arch/ia64/kernel/setup.c
View file @ 48c4eaed
......@@ -277,6 +277,29 @@ setup_serial_legacy (void)
}
#endif
/**
* early_console_setup - setup debugging console
*
* Consoles started here require little enough setup that we can start using
* them very early in the boot process, either right after the machine
* vector initialization, or even before if the drivers can detect their hw.
*
* Returns non-zero if a console couldn't be setup.
*/
static inline int __init
early_console_setup (void)
{
#ifdef CONFIG_SERIAL_SGI_L1_CONSOLE
{
extern int sn_serial_console_early_setup(void);
if(!sn_serial_console_early_setup())
return 0;
}
#endif
return -1;
}
void __init
setup_arch (char **cmdline_p)
{
......@@ -294,6 +317,12 @@ setup_arch (char **cmdline_p)
machvec_init(acpi_get_sysname());
#endif
#ifdef CONFIG_SMP
/* If we register an early console, allow CPU 0 to printk */
if (!early_console_setup())
cpu_set(smp_processor_id(), cpu_online_map);
#endif
#ifdef CONFIG_ACPI_BOOT
/* Initialize the ACPI boot-time table parser */
acpi_table_init();
......
arch/ia64/mm/discontig.c
View file @ 48c4eaed
......@@ -549,7 +549,7 @@ void call_pernode_memory(unsigned long start, unsigned long len, void *arg)
if (!num_node_memblks) {
/* No SRAT table, so assume one node (node 0) */
if (start < end)
(*func)(start, len, 0);
(*func)(start, end - start, 0);
return;
}
......
arch/ia64/mm/hugetlbpage.c
View file @ 48c4eaed
......@@ -158,8 +158,6 @@ struct page *follow_huge_addr(struct mm_struct *mm, unsigned long addr, int writ
struct page *page;
pte_t *ptep;
if (! mm->used_hugetlb)
return ERR_PTR(-EINVAL);
if (REGION_NUMBER(addr) != REGION_HPAGE)
return ERR_PTR(-EINVAL);
......
arch/ia64/sn/io/sn2/bte_error.c
View file @ 48c4eaed
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
*/
......@@ -199,7 +199,7 @@ bte_error_handler(unsigned long _nodepda)
err_nodepda->bte_if[i].cleanup_active = 0;
BTE_PRINTK(("eh:%p:%d Unlocked %d\n", err_nodepda,
smp_processor_id(), i));
spin_unlock(&pda->cpu_bte_if[i]->spinlock);
spin_unlock(&err_nodepda->bte_if[i].spinlock);
}
del_timer(recovery_timer);
......
arch/ia64/sn/kernel/bte.c
View file @ 48c4eaed
......@@ -7,6 +7,7 @@
*/
#include <linux/config.h>
#include <linux/module.h>
#include <asm/sn/sgi.h>
#include <asm/sn/nodepda.h>
#include <asm/sn/addrs.h>
......@@ -27,10 +28,18 @@
#define L1_CACHE_MASK (L1_CACHE_BYTES - 1)
#endif
/*
* The base address of for each set of bte registers.
*/
static int bte_offsets[] = { IIO_IBLS0, IIO_IBLS1 };
/* two interfaces on two btes */
#define MAX_INTERFACES_TO_TRY 4
static struct bteinfo_s *
bte_if_on_node(nasid_t nasid, int interface)
{
nodepda_t *tmp_nodepda;
tmp_nodepda = NODEPDA(nasid_to_cnodeid(nasid));
return &tmp_nodepda->bte_if[interface];
}
/************************************************************************
......@@ -61,11 +70,12 @@ static int bte_offsets[] = { IIO_IBLS0, IIO_IBLS1 };
bte_result_t
bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
{
int bte_to_use;
u64 transfer_size;
struct bteinfo_s *bte;
bte_result_t bte_status;
unsigned long irq_flags;
struct bteinfo_s *btes_to_try[MAX_INTERFACES_TO_TRY];
int bte_if_index;
BTE_PRINTK(("bte_copy(0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%p)\n",
......@@ -79,17 +89,57 @@ bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
(src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK)));
ASSERT(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT));
if (mode & BTE_USE_DEST) {
/* try remote then local */
btes_to_try[0] = bte_if_on_node(NASID_GET(dest), 0);
btes_to_try[1] = bte_if_on_node(NASID_GET(dest), 1);
if (mode & BTE_USE_ANY) {
btes_to_try[2] = bte_if_on_node(get_nasid(), 0);
btes_to_try[3] = bte_if_on_node(get_nasid(), 1);
} else {
btes_to_try[2] = NULL;
btes_to_try[3] = NULL;
}
} else {
/* try local then remote */
btes_to_try[0] = bte_if_on_node(get_nasid(), 0);
btes_to_try[1] = bte_if_on_node(get_nasid(), 1);
if (mode & BTE_USE_ANY) {
btes_to_try[2] = bte_if_on_node(NASID_GET(dest), 0);
btes_to_try[3] = bte_if_on_node(NASID_GET(dest), 1);
} else {
btes_to_try[2] = NULL;
btes_to_try[3] = NULL;
}
}
do {
local_irq_save(irq_flags);
bte_to_use = 0;
bte_if_index = 0;
/* Attempt to lock one of the BTE interfaces. */
while ((bte_to_use < BTES_PER_NODE) &&
BTE_LOCK_IF_AVAIL(bte_to_use)) {
bte_to_use++;
while (bte_if_index < MAX_INTERFACES_TO_TRY) {
bte = btes_to_try[bte_if_index++];
if (bte == NULL) {
continue;
}
if (spin_trylock(&bte->spinlock)) {
if ((*bte->most_rcnt_na & BTE_ACTIVE) ||
(BTE_LNSTAT_LOAD(bte) & BTE_ACTIVE)) {
/* Got the lock but BTE still busy */
spin_unlock(&bte->spinlock);
bte = NULL;
} else {
/* we got the lock and it's not busy */
break;
}
}
}
if (bte_to_use < BTES_PER_NODE) {
if (bte != NULL) {
break;
}
......@@ -100,12 +150,9 @@ bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
}
/* Wait until a bte is available. */
udelay(10);
udelay(1);
} while (1);
bte = pda->cpu_bte_if[bte_to_use];
BTE_PRINTKV(("Got a lock on bte %d\n", bte_to_use));
if (notification == NULL) {
/* User does not want to be notified. */
......@@ -121,28 +168,24 @@ bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
*bte->most_rcnt_na = -1L;
/* Set the status reg busy bit and transfer length */
BTE_PRINTKV(("IBLS - HUB_S(0x%p, 0x%lx)\n",
BTEREG_LNSTAT_ADDR, IBLS_BUSY | transfer_size));
HUB_S(BTEREG_LNSTAT_ADDR, (IBLS_BUSY | transfer_size));
BTE_PRINTKV(("IBLS = 0x%lx\n", IBLS_BUSY | transfer_size));
BTE_LNSTAT_STORE(bte, IBLS_BUSY | transfer_size);
/* Set the source and destination registers */
BTE_PRINTKV(("IBSA - HUB_S(0x%p, 0x%lx)\n", BTEREG_SRC_ADDR,
(TO_PHYS(src))));
HUB_S(BTEREG_SRC_ADDR, (TO_PHYS(src)));
BTE_PRINTKV(("IBDA - HUB_S(0x%p, 0x%lx)\n", BTEREG_DEST_ADDR,
(TO_PHYS(dest))));
HUB_S(BTEREG_DEST_ADDR, (TO_PHYS(dest)));
BTE_PRINTKV(("IBSA = 0x%lx)\n", (TO_PHYS(src))));
BTE_SRC_STORE(bte, TO_PHYS(src));
BTE_PRINTKV(("IBDA = 0x%lx)\n", (TO_PHYS(dest))));
BTE_DEST_STORE(bte, TO_PHYS(dest));
/* Set the notification register */
BTE_PRINTKV(("IBNA - HUB_S(0x%p, 0x%lx)\n", BTEREG_NOTIF_ADDR,
(TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na)))));
HUB_S(BTEREG_NOTIF_ADDR, (TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na))));
BTE_PRINTKV(("IBNA = 0x%lx)\n",
TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na))));
BTE_NOTIF_STORE(bte, TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na)));
/* Initiate the transfer */
BTE_PRINTK(("IBCT - HUB_S(0x%p, 0x%lx)\n", BTEREG_CTRL_ADDR,
BTE_VALID_MODE(mode)));
HUB_S(BTEREG_CTRL_ADDR, BTE_VALID_MODE(mode));
BTE_PRINTK(("IBCT = 0x%lx)\n", BTE_VALID_MODE(mode)));
BTE_CTRL_STORE(bte, BTE_VALID_MODE(mode));
spin_unlock_irqrestore(&bte->spinlock, irq_flags);
......@@ -156,7 +199,7 @@ bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
BTE_PRINTKV((" Delay Done. IBLS = 0x%lx, most_rcnt_na = 0x%lx\n",
HUB_L(BTEREG_LNSTAT_ADDR), *bte->most_rcnt_na));
BTE_LNSTAT_LOAD(bte), *bte->most_rcnt_na));
if (*bte->most_rcnt_na & IBLS_ERROR) {
bte_status = *bte->most_rcnt_na & ~IBLS_ERROR;
......@@ -165,10 +208,11 @@ bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
bte_status = BTE_SUCCESS;
}
BTE_PRINTK(("Returning status is 0x%lx and most_rcnt_na is 0x%lx\n",
HUB_L(BTEREG_LNSTAT_ADDR), *bte->most_rcnt_na));
BTE_LNSTAT_LOAD(bte), *bte->most_rcnt_na));
return bte_status;
}
EXPORT_SYMBOL(bte_copy);
/*
......@@ -201,14 +245,19 @@ bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
u64 footBcopyDest;
u64 footBcopyLen;
bte_result_t rv;
char *bteBlock;
char *bteBlock, *bteBlock_unaligned;
if (len == 0) {
return BTE_SUCCESS;
}
/* temporary buffer used during unaligned transfers */
bteBlock = pda->cpu_bte_if[0]->scratch_buf;
bteBlock_unaligned = kmalloc(len + 3 * L1_CACHE_BYTES,
GFP_KERNEL | GFP_DMA);
if (bteBlock_unaligned == NULL) {
return BTEFAIL_NOTAVAIL;
}
bteBlock = (char *) L1_CACHE_ALIGN((u64) bteBlock_unaligned);
headBcopySrcOffset = src & L1_CACHE_MASK;
destFirstCacheOffset = dest & L1_CACHE_MASK;
......@@ -276,6 +325,7 @@ bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
ia64_tpa((unsigned long)bteBlock),
footBteLen, mode, NULL);
if (rv != BTE_SUCCESS) {
kfree(bteBlock_unaligned);
return rv;
}
......@@ -296,6 +346,7 @@ bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
(len - headBcopyLen -
footBcopyLen), mode, NULL);
if (rv != BTE_SUCCESS) {
kfree(bteBlock_unaligned);
return rv;
}
......@@ -325,6 +376,7 @@ bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
rv = bte_copy(headBteSource,
ia64_tpa((unsigned long)bteBlock), headBteLen, mode, NULL);
if (rv != BTE_SUCCESS) {
kfree(bteBlock_unaligned);
return rv;
}
......@@ -332,8 +384,10 @@ bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
headBcopySrcOffset),
headBcopyLen);
}
kfree(bteBlock_unaligned);
return BTE_SUCCESS;
}
EXPORT_SYMBOL(bte_unaligned_copy);
/************************************************************************
......@@ -370,9 +424,9 @@ bte_init_node(nodepda_t * mynodepda, cnodeid_t cnode)
mynodepda->bte_recovery_timer.data = (unsigned long) mynodepda;
for (i = 0; i < BTES_PER_NODE; i++) {
/* >>> Don't know why the 0x1800000L is here. Robin */
mynodepda->bte_if[i].bte_base_addr =
(char *) LOCAL_MMR_ADDR(bte_offsets[i] | 0x1800000L);
(u64) mynodepda->bte_if[i].bte_base_addr =
REMOTE_HUB_ADDR(cnodeid_to_nasid(cnode),
(i == 0 ? IIO_IBLS0 : IIO_IBLS1));
/*
* Initialize the notification and spinlock
......@@ -383,8 +437,6 @@ bte_init_node(nodepda_t * mynodepda, cnodeid_t cnode)
mynodepda->bte_if[i].notify = 0L;
spin_lock_init(&mynodepda->bte_if[i].spinlock);
mynodepda->bte_if[i].scratch_buf =
alloc_bootmem_node(NODE_DATA(cnode), BTE_MAX_XFER);
mynodepda->bte_if[i].bte_cnode = cnode;
mynodepda->bte_if[i].bte_error_count = 0;
mynodepda->bte_if[i].bte_num = i;
......@@ -393,23 +445,3 @@ bte_init_node(nodepda_t * mynodepda, cnodeid_t cnode)
}
}
/*
* bte_init_cpu()
*
* Initialize the cpupda structure with pointers to the
* nodepda bte blocks.
*
*/
void
bte_init_cpu(void)
{
/* Called by setup.c as each cpu is being added to the nodepda */
if (local_node_data->active_cpu_count & 0x1) {
pda->cpu_bte_if[0] = &(nodepda->bte_if[0]);
pda->cpu_bte_if[1] = &(nodepda->bte_if[1]);
} else {
pda->cpu_bte_if[0] = &(nodepda->bte_if[1]);
pda->cpu_bte_if[1] = &(nodepda->bte_if[0]);
}
}
arch/ia64/sn/kernel/setup.c
View file @ 48c4eaed
......@@ -54,7 +54,6 @@ DEFINE_PER_CPU(struct pda_s, pda_percpu);
#define MAX_PHYS_MEMORY (1UL << 49) /* 1 TB */
extern void bte_init_node (nodepda_t *, cnodeid_t);
extern void bte_init_cpu (void);
extern void sn_timer_init(void);
extern unsigned long last_time_offset;
extern void init_platform_hubinfo(nodepda_t **nodepdaindr);
......@@ -496,8 +495,6 @@ sn_cpu_init(void)
buddy_nasid = cnodeid_to_nasid(numa_node_id() == numnodes-1 ? 0 : numa_node_id()+ 1);
pda->pio_shub_war_cam_addr = (volatile unsigned long*)GLOBAL_MMR_ADDR(nasid, SH_PI_CAM_CONTROL);
}
bte_init_cpu();
}
/*
......
arch/ppc64/kernel/dma.c
View file @ 48c4eaed
......@@ -43,7 +43,7 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
if (dev->bus == &vio_bus_type)
return vio_alloc_consistent(to_vio_dev(dev), size, dma_handle);
BUG();
return 0;
return NULL;
}
EXPORT_SYMBOL(dma_alloc_coherent);
......
arch/ppc64/kernel/ioctl32.c
View file @ 48c4eaed
......@@ -29,7 +29,7 @@
#define CODE
#include "compat_ioctl.c"
#define HANDLE_IOCTL(cmd,handler) { cmd, (ioctl_trans_handler_t)handler, 0 },
#define HANDLE_IOCTL(cmd,handler) { cmd, (ioctl_trans_handler_t)handler, NULL },
#define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd,sys_ioctl)
#define IOCTL_TABLE_START \
......
arch/ppc64/kernel/irq.c
View file @ 48c4eaed
......@@ -855,7 +855,7 @@ void init_irq_proc (void)
int i;
/* create /proc/irq */
root_irq_dir = proc_mkdir("irq", 0);
root_irq_dir = proc_mkdir("irq", NULL);
/* create /proc/irq/prof_cpu_mask */
entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir);
......
arch/ppc64/kernel/traps.c
View file @ 48c4eaed
......@@ -285,7 +285,7 @@ UnknownException(struct pt_regs *regs)
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = 0;
info.si_addr = 0;
info.si_addr = NULL;
_exception(SIGTRAP, &info, regs);
}
......
arch/ppc64/kernel/vio.c
View file @ 48c4eaed
......@@ -26,39 +26,39 @@
#include <asm/vio.h>
#include <asm/hvcall.h>
#include <asm/iSeries/vio.h>
#include <asm/iSeries/HvTypes.h>
#include <asm/iSeries/HvCallXm.h>
#include <asm/iSeries/HvLpConfig.h>
#define DBGENTER() pr_debug("%s entered\n", __FUNCTION__)
extern struct subsystem devices_subsys; /* needed for vio_find_name() */
static struct iommu_table *vio_build_iommu_table(struct vio_dev *);
static const struct vio_device_id *vio_match_device(
const struct vio_device_id *, const struct vio_dev *);
#ifdef CONFIG_PPC_PSERIES
static struct iommu_table *vio_build_iommu_table(struct vio_dev *);
static int vio_num_address_cells;
#endif
static struct vio_dev *vio_bus_device; /* fake "parent" device */
#ifdef CONFIG_PPC_ISERIES
static struct vio_dev *__init vio_register_device_iseries(char *type,
uint32_t unit_num);
static struct iommu_table veth_iommu_table;
static struct iommu_table vio_iommu_table;
static struct vio_dev _veth_dev = {
.iommu_table = &veth_iommu_table,
.dev.bus = &vio_bus_type
};
static struct vio_dev _vio_dev = {
.iommu_table = &vio_iommu_table,
.dev.bus = &vio_bus_type
};
struct vio_dev *iSeries_veth_dev = &_veth_dev;
struct device *iSeries_vio_dev = &_vio_dev.dev;
EXPORT_SYMBOL(iSeries_veth_dev);
EXPORT_SYMBOL(iSeries_vio_dev);
#define device_is_compatible(a, b) 1
#endif
/* convert from struct device to struct vio_dev and pass to driver.
......@@ -143,14 +143,12 @@ static const struct vio_device_id * vio_match_device(const struct vio_device_id
{
DBGENTER();
#ifdef CONFIG_PPC_PSERIES
while (ids->type) {
if ((strncmp(((struct device_node *)dev->dev.platform_data)->type, ids->type, strlen(ids->type)) == 0) &&
if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) &&
device_is_compatible(dev->dev.platform_data, ids->compat))
return ids;
ids++;
}
#endif
return NULL;
}
......@@ -196,14 +194,59 @@ void __init iommu_vio_init(void)
}
#endif
#ifdef CONFIG_PPC_PSERIES
static void probe_bus_pseries(void)
{
struct device_node *node_vroot, *of_node;
node_vroot = find_devices("vdevice");
if ((node_vroot == NULL) || (node_vroot->child == NULL))
/* this machine doesn't do virtual IO, and that's ok */
return;
vio_num_address_cells = prom_n_addr_cells(node_vroot->child);
/*
* Create struct vio_devices for each virtual device in the device tree.
* Drivers will associate with them later.
*/
for (of_node = node_vroot->child; of_node != NULL;
of_node = of_node->sibling) {
printk(KERN_DEBUG "%s: processing %p\n", __FUNCTION__, of_node);
vio_register_device_node(of_node);
}
}
#endif
#ifdef CONFIG_PPC_ISERIES
static void probe_bus_iseries(void)
{
HvLpIndexMap vlan_map = HvLpConfig_getVirtualLanIndexMap();
struct vio_dev *viodev;
int i;
vlan_map = HvLpConfig_getVirtualLanIndexMap();
for (i = 0; i < HVMAXARCHITECTEDVIRTUALLANS; i++) {
if ((vlan_map & (0x8000 >> i)) == 0)
continue;
viodev = vio_register_device_iseries("vlan", i);
/* veth is special and has it own iommu_table */
viodev->iommu_table = &veth_iommu_table;
}
for (i = 0; i < HVMAXARCHITECTEDVIRTUALDISKS; i++)
vio_register_device_iseries("viodasd", i);
for (i = 0; i < HVMAXARCHITECTEDVIRTUALCDROMS; i++)
vio_register_device_iseries("viocd", i);
for (i = 0; i < HVMAXARCHITECTEDVIRTUALTAPES; i++)
vio_register_device_iseries("viotape", i);
}
#endif
/**
* vio_bus_init: - Initialize the virtual IO bus
*/
static int __init vio_bus_init(void)
{
#ifdef CONFIG_PPC_PSERIES
struct device_node *node_vroot, *of_node;
#endif
int err;
err = bus_register(&vio_bus_type);
......@@ -229,25 +272,10 @@ static int __init vio_bus_init(void)
}
#ifdef CONFIG_PPC_PSERIES
node_vroot = find_devices("vdevice");
if ((node_vroot == NULL) || (node_vroot->child == NULL)) {
/* this machine doesn't do virtual IO, and that's ok */
return 0;
}
vio_num_address_cells = prom_n_addr_cells(node_vroot->child);
/*
* Create struct vio_devices for each virtual device in the device tree.
* Drivers will associate with them later.
*/
for (of_node = node_vroot->child;
of_node != NULL;
of_node = of_node->sibling) {
printk(KERN_DEBUG "%s: processing %p\n", __FUNCTION__, of_node);
vio_register_device(of_node);
}
probe_bus_pseries();
#endif
#ifdef CONFIG_PPC_ISERIES
probe_bus_iseries();
#endif
return 0;
......@@ -255,20 +283,19 @@ static int __init vio_bus_init(void)
__initcall(vio_bus_init);
#ifdef CONFIG_PPC_PSERIES
/* vio_dev refcount hit 0 */
static void __devinit vio_dev_release(struct device *dev)
{
struct vio_dev *viodev = to_vio_dev(dev);
DBGENTER();
#ifdef CONFIG_PPC_PSERIES
/* XXX free TCE table */
of_node_put(viodev->dev.platform_data);
kfree(viodev);
of_node_put(dev->platform_data);
#endif
kfree(to_vio_dev(dev));
}
#ifdef CONFIG_PPC_PSERIES
static ssize_t viodev_show_devspec(struct device *dev, char *buf)
{
struct device_node *of_node = dev->platform_data;
......@@ -276,17 +303,43 @@ static ssize_t viodev_show_devspec(struct device *dev, char *buf)
return sprintf(buf, "%s\n", of_node->full_name);
}
DEVICE_ATTR(devspec, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_devspec, NULL);
#endif
static ssize_t viodev_show_name(struct device *dev, char *buf)
{
struct device_node *of_node = dev->platform_data;
return sprintf(buf, "%s\n", of_node->name);
return sprintf(buf, "%s\n", to_vio_dev(dev)->name);
}
DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
static struct vio_dev * __devinit vio_register_device_common(
struct vio_dev *viodev, char *name, char *type,
uint32_t unit_address, struct iommu_table *iommu_table)
{
DBGENTER();
viodev->name = name;
viodev->type = type;
viodev->unit_address = unit_address;
viodev->iommu_table = iommu_table;
/* init generic 'struct device' fields: */
viodev->dev.parent = &vio_bus_device->dev;
viodev->dev.bus = &vio_bus_type;
viodev->dev.release = vio_dev_release;
/* register with generic device framework */
if (device_register(&viodev->dev)) {
printk(KERN_ERR "%s: failed to register device %s\n",
__FUNCTION__, viodev->dev.bus_id);
return NULL;
}
device_create_file(&viodev->dev, &dev_attr_name);
return viodev;
}
#ifdef CONFIG_PPC_PSERIES
/**
* vio_register_device: - Register a new vio device.
* vio_register_device_node: - Register a new vio device.
* @of_node: The OF node for this device.
*
* Creates and initializes a vio_dev structure from the data in
......@@ -294,7 +347,7 @@ DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
* Returns a pointer to the created vio_dev or NULL if node has
* NULL device_type or compatible fields.
*/
struct vio_dev * __devinit vio_register_device(struct device_node *of_node)
struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
{
struct vio_dev *viodev;
unsigned int *unit_address;
......@@ -325,8 +378,6 @@ struct vio_dev * __devinit vio_register_device(struct device_node *of_node)
memset(viodev, 0, sizeof(struct vio_dev));
viodev->dev.platform_data = of_node_get(of_node);
viodev->unit_address = *unit_address;
viodev->iommu_table = vio_build_iommu_table(viodev);
viodev->irq = NO_IRQ;
irq_p = (unsigned int *)get_property(of_node, "interrupts", 0);
......@@ -339,36 +390,60 @@ struct vio_dev * __devinit vio_register_device(struct device_node *of_node)
viodev->irq = irq_offset_up(virq);
}
/* init generic 'struct device' fields: */
viodev->dev.parent = &vio_bus_device->dev;
viodev->dev.bus = &vio_bus_type;
snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%x", viodev->unit_address);
viodev->dev.release = vio_dev_release;
snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%x", *unit_address);
/* register with generic device framework */
if (device_register(&viodev->dev)) {
printk(KERN_ERR "%s: failed to register device %s\n", __FUNCTION__,
viodev->dev.bus_id);
if (vio_register_device_common(viodev, of_node->name, of_node->type,
*unit_address, vio_build_iommu_table(viodev))
== NULL) {
/* XXX free TCE table */
kfree(viodev);
return NULL;
}
device_create_file(&viodev->dev, &dev_attr_name);
device_create_file(&viodev->dev, &dev_attr_devspec);
return viodev;
}
EXPORT_SYMBOL(vio_register_device);
EXPORT_SYMBOL(vio_register_device_node);
#endif
#ifdef CONFIG_PPC_ISERIES
/**
* vio_register_device: - Register a new vio device.
* @voidev: The device to register.
*/
static struct vio_dev *__init vio_register_device_iseries(char *type,
uint32_t unit_num)
{
struct vio_dev *viodev;
DBGENTER();
/* allocate a vio_dev for this node */
viodev = kmalloc(sizeof(struct vio_dev), GFP_KERNEL);
if (!viodev)
return NULL;
memset(viodev, 0, sizeof(struct vio_dev));
snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%s%d", type, unit_num);
return vio_register_device_common(viodev, viodev->dev.bus_id, type,
unit_num, &vio_iommu_table);
}
#endif
void __devinit vio_unregister_device(struct vio_dev *viodev)
{
DBGENTER();
#ifdef CONFIG_PPC_PSERIES
device_remove_file(&viodev->dev, &dev_attr_devspec);
#endif
device_remove_file(&viodev->dev, &dev_attr_name);
device_unregister(&viodev->dev);
}
EXPORT_SYMBOL(vio_unregister_device);
#ifdef CONFIG_PPC_PSERIES
/**
* vio_get_attribute: - get attribute for virtual device
* @vdev: The vio device to get property.
......
arch/ppc64/lib/string.S
View file @ 48c4eaed
......@@ -66,13 +66,12 @@ _GLOBAL(strlen)
blr
_GLOBAL(memset)
neg r0,r5
neg r0,r3
rlwimi r4,r4,8,16,23
andi. r0,r0,7 /* # bytes to be 8-byte aligned */
rlwimi r4,r4,16,0,15
cmplw cr1,r5,r0 /* do we get that far? */
rldimi r4,r4,32,0
mr r6,r3
mtcrf 1,r0
mr r6,r3
blt cr1,8f
......
arch/ppc64/mm/fault.c
View file @ 48c4eaed
......@@ -119,7 +119,28 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
die("Weird page fault", regs, SIGSEGV);
}
down_read(&mm->mmap_sem);
/* When running in the kernel we expect faults to occur only to
* addresses in user space. All other faults represent errors in the
* kernel and should generate an OOPS. Unfortunatly, in the case of an
* erroneous fault occuring in a code path which already holds mmap_sem
* we will deadlock attempting to validate the fault against the
* address space. Luckily the kernel only validly references user
* space from well defined areas of code, which are listed in the
* exceptions table.
*
* As the vast majority of faults will be valid we will only perform
* the source reference check when there is a possibilty of a deadlock.
* Attempt to lock the address space, if we cannot we then validate the
* source. If this is invalid we can skip the address space check,
* thus avoiding the deadlock.
*/
if (!down_read_trylock(&mm->mmap_sem)) {
if (!user_mode(regs) && !search_exception_tables(regs->nip))
goto bad_area_nosemaphore;
down_read(&mm->mmap_sem);
}
vma = find_vma(mm, address);
if (!vma)
goto bad_area;
......@@ -209,6 +230,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
bad_area:
up_read(&mm->mmap_sem);
bad_area_nosemaphore:
/* User mode accesses cause a SIGSEGV */
if (user_mode(regs)) {
info.si_signo = SIGSEGV;
......
arch/sh64/Kconfig 0 → 100644
View file @ 48c4eaed
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/config-language.txt.
#
mainmenu "Linux/SH64 Kernel Configuration"
config SUPERH
bool
default y
config SUPERH64
bool
default y
config MMU
bool
default y
config UID16
bool
default y
config RWSEM_GENERIC_SPINLOCK
bool
default y
config LOG_BUF_SHIFT
int
default 14
config RWSEM_XCHGADD_ALGORITHM
bool
config GENERIC_ISA_DMA
bool
source init/Kconfig
menu "System type"
choice
prompt "SuperH system type"
default SH_SIMULATOR
config SH_GENERIC
bool "Generic"
config SH_SIMULATOR
bool "Simulator"
config SH_CAYMAN
bool "Cayman"
config SH_ROMRAM
bool "ROM/RAM"
config SH_HARP
bool "ST50-Harp"
endchoice
choice
prompt "Processor family"
default CPU_SH5
config CPU_SH5
bool "SH-5"
endchoice
choice
prompt "Processor type"
config CPU_SUBTYPE_SH5_101
bool "SH5-101"
depends on CPU_SH5
config CPU_SUBTYPE_SH5_103
bool "SH5-103"
depends on CPU_SH5
endchoice
choice
prompt "Endianness"
default LITTLE_ENDIAN
config LITTLE_ENDIAN
bool "Little-Endian"
config BIG_ENDIAN
bool "Big-Endian"
endchoice
config SH64_FPU_DENORM_FLUSH
bool "Flush floating point denorms to zero"
choice
prompt "Page table levels"
default SH64_PGTABLE_2_LEVEL
config SH64_PGTABLE_2_LEVEL
bool "2"
config SH64_PGTABLE_3_LEVEL
bool "3"
endchoice
choice
prompt "HugeTLB page size"
depends on HUGETLB_PAGE && MMU
default HUGETLB_PAGE_SIZE_64K
config HUGETLB_PAGE_SIZE_64K
bool "64K"
config HUGETLB_PAGE_SIZE_1MB
bool "1MB"
config HUGETLB_PAGE_SIZE_512MB
bool "512MB"
endchoice
config SH64_USER_MISALIGNED_FIXUP
bool "Fixup misaligned loads/stores occurring in user mode"
comment "Memory options"
config CACHED_MEMORY_OFFSET
hex "Cached Area Offset"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "20000000"
config MEMORY_START
hex "Physical memory start address"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "80000000"
config MEMORY_SIZE_IN_MB
int "Memory size (in MB)" if SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "64" if SH_HARP || SH_CAYMAN
default "8" if SH_SIMULATOR
comment "Cache options"
config DCACHE_DISABLED
bool "DCache Disabling"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
choice
prompt "DCache mode"
depends on !DCACHE_DISABLED && !SH_SIMULATOR
default DCACHE_WRITE_BACK
config DCACHE_WRITE_BACK
bool "Write-back"
config DCACHE_WRITE_THROUGH
bool "Write-through"
endchoice
config ICACHE_DISABLED
bool "ICache Disabling"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
config PCIDEVICE_MEMORY_START
hex
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "C0000000"
config DEVICE_MEMORY_START
hex
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "E0000000"
config FLASH_MEMORY_START
hex "Flash memory/on-chip devices start address"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "00000000"
config PCI_BLOCK_START
hex "PCI block start address"
depends on SH_HARP || SH_CAYMAN || SH_SIMULATOR
default "40000000"
comment "CPU Subtype specific options"
config SH64_ID2815_WORKAROUND
bool "Include workaround for SH5-101 cut2 silicon defect ID2815"
comment "Misc options"
config HEARTBEAT
bool "Heartbeat LED"
config HDSP253_LED
bool "Support for HDSP-253 LED"
depends on SH_CAYMAN
config SH_DMA
tristate "DMA controller (DMAC) support"
config PREEMPT
bool "Preemptible Kernel (EXPERIMENTAL)"
depends on EXPERIMENTAL
endmenu
menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
config ISA
bool
config SBUS
bool
config PCI
bool "PCI support"
help
Find out whether you have a PCI motherboard. PCI is the name of a
bus system, i.e. the way the CPU talks to the other stuff inside
your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
VESA. If you have PCI, say Y, otherwise N.
The PCI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, contains valuable
information about which PCI hardware does work under Linux and which
doesn't.
config SH_PCIDMA_NONCOHERENT
bool "Cache and PCI noncoherent"
depends on PCI
default y
help
Enable this option if your platform does not have a CPU cache which
remains coherent with PCI DMA. It is safest to say 'Y', although you
will see better performance if you can say 'N', because the PCI DMA
code will not have to flush the CPU's caches. If you have a PCI host
bridge integrated with your SH CPU, refer carefully to the chip specs
to see if you can say 'N' here. Otherwise, leave it as 'Y'.
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
source "drivers/pci/hotplug/Kconfig"
endmenu
menu "Executable file formats"
source "fs/Kconfig.binfmt"
endmenu
source "drivers/Kconfig"
source "fs/Kconfig"
source "arch/sh64/oprofile/Kconfig"
menu "Kernel hacking"
config MAGIC_SYSRQ
bool "Magic SysRq key"
help
If you say Y here, you will have some control over the system even
if the system crashes for example during kernel debugging (e.g., you
will be able to flush the buffer cache to disk, reboot the system
immediately or dump some status information). This is accomplished
by pressing various keys while holding SysRq (Alt+PrintScreen). It
also works on a serial console (on PC hardware at least), if you
send a BREAK and then within 5 seconds a command keypress. The
keys are documented in Documentation/sysrq.txt. Don't say Y unless
you really know what this hack does.
config EARLY_PRINTK
bool "Early SCIF console support"
config DEBUG_KERNEL_WITH_GDB_STUB
bool "GDB Stub kernel debug"
config SH64_PROC_TLB
bool "Debug: report TLB fill/purge activity through /proc/tlb"
depends on PROC_FS
config SH64_PROC_ASIDS
bool "Debug: report ASIDs through /proc/asids"
depends on PROC_FS
config SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
config SH_ALPHANUMERIC
bool "Enable debug outputs to on-board alphanumeric display"
config SH_NO_BSS_INIT
bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
default y if KGDB
help
If you say Y here the resulting kernel image will be slightly larger
and slower, but it will give very useful debugging information.
If you don't debug the kernel, you can say N, but we may not be able
to solve problems without frame pointers.
endmenu
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
arch/sh64/Makefile 0 → 100644
View file @ 48c4eaed
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2000, 2001 Paolo Alberelli
# Copyright (C) 2003, 2004 Paul Mundt
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# Note that top level Makefile automagically builds dependencies for SUBDIRS
# but does not automagically clean SUBDIRS. Therefore "archclean" should clean
# up all, "archdep" does nothing on added SUBDIRS.
#
ifndef include_config
-include .config
endif
cpu-y := -mb
cpu-$(CONFIG_LITTLE_ENDIAN) := -ml
cpu-$(CONFIG_CPU_SH5) += -m5-32media-nofpu
ifdef CONFIG_LITTLE_ENDIAN
LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
LDFLAGS += -EL -mshlelf32_linux
else
LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
LDFLAGS += -EB -mshelf32_linux
endif
# No requirements for endianess support from AFLAGS, 'as' always run through gcc
AFLAGS += -m5 -isa=sh64 -traditional
CFLAGS += $(cpu-y)
LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_CACHED_MEMORY_OFFSET) \
-e phys_stext
OBJCOPYFLAGS := -O binary -R .note -R .comment -R .stab -R .stabstr -S
ifdef LOADADDR
LINKFLAGS += -Ttext $(word 1,$(LOADADDR))
endif
machine-$(CONFIG_SH_CAYMAN) := cayman
machine-$(CONFIG_SH_SIMULATOR) := sim
machine-$(CONFIG_SH_HARP) := harp
machine-$(CONFIG_SH_ROMRAM) := romram
head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
core-y += $(addprefix arch/$(ARCH)/, kernel/ mm/ mach-$(machine-y)/)
LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
libs-y += arch/$(ARCH)/lib/ $(LIBGCC)
drivers-$(CONFIG_OPROFILE) += arch/sh64/oprofile/
boot := arch/$(ARCH)/boot
zImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
compressed: zImage
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
prepare: include/asm-$(ARCH)/asm-offsets.h arch/$(ARCH)/lib/syscalltab.h
include/asm-$(ARCH)/asm-offsets.h: arch/$(ARCH)/kernel/asm-offsets.s \
include/asm include/linux/version.h
$(call filechk,gen-asm-offsets)
define filechk_gen-syscalltab
(set -e; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
echo " * This file was generated by arch/$(ARCH)/Makefile"; \
echo " * Any changes will be reverted at build time."; \
echo " */"; \
echo ""; \
echo "#ifndef __SYSCALLTAB_H"; \
echo "#define __SYSCALLTAB_H"; \
echo ""; \
echo "#include <linux/kernel.h>"; \
echo ""; \
echo "struct syscall_info {"; \
echo " const char *name;"; \
echo "} syscall_info_table[] = {"; \
sed -e '/^.*\.long /!d;s//\t{ "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
echo "};"; \
echo ""; \
echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)"; \
echo ""; \
echo "#endif /* __SYSCALLTAB_H */" )
endef
arch/$(ARCH)/lib/syscalltab.h: arch/sh64/kernel/syscalls.S
$(call filechk,gen-syscalltab)
CLEAN_FILES += include/asm-$(ARCH)/asm-offsets.h arch/$(ARCH)/lib/syscalltab.h
define archhelp
@echo ' zImage - Compressed kernel image (arch/sh64/boot/zImage)'
endef
arch/sh64/boot/Makefile 0 → 100644
View file @ 48c4eaed
#
# arch/sh64/boot/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2002 Stuart Menefy
#
targets := zImage
subdir- := compressed
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(call if_changed,objcopy)
@echo 'Kernel: $@ is ready'
$(obj)/compressed/vmlinux: FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
arch/sh64/boot/compressed/Makefile 0 → 100644
View file @ 48c4eaed
#
# linux/arch/sh64/boot/compressed/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2002 Stuart Menefy
# Copyright (C) 2004 Paul Mundt
#
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
head.o misc.o cache.o piggy.o vmlinux.lds.o
EXTRA_AFLAGS := -traditional
OBJECTS := $(obj)/head.o $(obj)/misc.o $(obj)/cache.o
#
# ZIMAGE_OFFSET is the load offset of the compression loader
# (4M for the kernel plus 64K for this loader)
#
ZIMAGE_OFFSET = $(shell printf "0x%8x" $$[$(CONFIG_MEMORY_START)+0x400000+0x10000])
LDFLAGS_vmlinux := -Ttext $(ZIMAGE_OFFSET) -e startup \
-T $(obj)/../../kernel/vmlinux.lds.s \
--no-warn-mismatch
$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
$(call if_changed,ld)
@:
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh64-linux -T
OBJCOPYFLAGS += -R .empty_zero_page
$(obj)/piggy.o: $(obj)/vmlinux.lds.s $(obj)/vmlinux.bin.gz FORCE
$(call if_changed,ld)
arch/sh64/boot/compressed/cache.c 0 → 100644
View file @ 48c4eaed
/*
* arch/shmedia/boot/compressed/cache.c -- simple cache management functions
*
* Code extracted from sh-ipl+g, sh-stub.c, which has the copyright:
*
* This is originally based on an m68k software stub written by Glenn
* Engel at HP, but has changed quite a bit.
*
* Modifications for the SH by Ben Lee and Steve Chamberlain
*
****************************************************************************
THIS SOFTWARE IS NOT COPYRIGHTED
HP offers the following for use in the public domain. HP makes no
warranty with regard to the software or it's performance and the
user accepts the software "AS IS" with all faults.
HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD
TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
****************************************************************************/
#define CACHE_ENABLE 0
#define CACHE_DISABLE 1
int cache_control(unsigned int command)
{
volatile unsigned int *p = (volatile unsigned int *) 0x80000000;
int i;
for (i = 0; i < (32 * 1024); i += 32) {
(void *) *p;
p += (32 / sizeof (int));
}
return 0;
}
arch/sh64/boot/compressed/head.S 0 → 100644
View file @ 48c4eaed
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/shmedia/boot/compressed/head.S
*
* Copied from
* arch/shmedia/kernel/head.S
* which carried the copyright:
* Copyright (C) 2000, 2001 Paolo Alberelli
*
* Modification for compressed loader:
* Copyright (C) 2002 Stuart Menefy (stuart.menefy@st.com)
*/
#include <linux/linkage.h>
#include <asm/registers.h>
#include <asm/cache.h>
#include <asm/mmu_context.h>
/*
* Fixed TLB entries to identity map the beginning of RAM
*/
#define MMUIR_TEXT_H 0x0000000000000003 | CONFIG_MEMORY_START
/* Enabled, Shared, ASID 0, Eff. Add. 0xA0000000 */
#define MMUIR_TEXT_L 0x000000000000009a | CONFIG_MEMORY_START
/* 512 Mb, Cacheable (Write-back), execute, Not User, Ph. Add. */
#define MMUDR_CACHED_H 0x0000000000000003 | CONFIG_MEMORY_START
/* Enabled, Shared, ASID 0, Eff. Add. 0xA0000000 */
#define MMUDR_CACHED_L 0x000000000000015a | CONFIG_MEMORY_START
/* 512 Mb, Cacheable (Write-back), read/write, Not User, Ph. Add. */
#define ICCR0_INIT_VAL ICCR0_ON | ICCR0_ICI /* ICE + ICI */
#define ICCR1_INIT_VAL ICCR1_NOLOCK /* No locking */
#if 1
#define OCCR0_INIT_VAL OCCR0_ON | OCCR0_OCI | OCCR0_WB /* OCE + OCI + WB */
#else
#define OCCR0_INIT_VAL OCCR0_OFF
#endif
#define OCCR1_INIT_VAL OCCR1_NOLOCK /* No locking */
.text
.global startup
startup:
/*
* Prevent speculative fetch on device memory due to
* uninitialized target registers.
* This must be executed before the first branch.
*/
ptabs/u ZERO, tr0
ptabs/u ZERO, tr1
ptabs/u ZERO, tr2
ptabs/u ZERO, tr3
ptabs/u ZERO, tr4
ptabs/u ZERO, tr5
ptabs/u ZERO, tr6
ptabs/u ZERO, tr7
synci
/*
* Set initial TLB entries for cached and uncached regions.
* Note: PTA/BLINK is PIC code, PTABS/BLINK isn't !
*/
/* Clear ITLBs */
pta 1f, tr1
movi ITLB_FIXED, r21
movi ITLB_LAST_VAR_UNRESTRICTED+TLB_STEP, r22
1: putcfg r21, 0, ZERO /* Clear MMUIR[n].PTEH.V */
addi r21, TLB_STEP, r21
bne r21, r22, tr1
/* Clear DTLBs */
pta 1f, tr1
movi DTLB_FIXED, r21
movi DTLB_LAST_VAR_UNRESTRICTED+TLB_STEP, r22
1: putcfg r21, 0, ZERO /* Clear MMUDR[n].PTEH.V */
addi r21, TLB_STEP, r21
bne r21, r22, tr1
/* Map one big (512Mb) page for ITLB */
movi ITLB_FIXED, r21
movi MMUIR_TEXT_L, r22 /* PTEL first */
putcfg r21, 1, r22 /* Set MMUIR[0].PTEL */
movi MMUIR_TEXT_H, r22 /* PTEH last */
putcfg r21, 0, r22 /* Set MMUIR[0].PTEH */
/* Map one big CACHED (512Mb) page for DTLB */
movi DTLB_FIXED, r21
movi MMUDR_CACHED_L, r22 /* PTEL first */
putcfg r21, 1, r22 /* Set MMUDR[0].PTEL */
movi MMUDR_CACHED_H, r22 /* PTEH last */
putcfg r21, 0, r22 /* Set MMUDR[0].PTEH */
/* ICache */
movi ICCR_BASE, r21
movi ICCR0_INIT_VAL, r22
movi ICCR1_INIT_VAL, r23
putcfg r21, ICCR_REG0, r22
putcfg r21, ICCR_REG1, r23
synci
/* OCache */
movi OCCR_BASE, r21
movi OCCR0_INIT_VAL, r22
movi OCCR1_INIT_VAL, r23
putcfg r21, OCCR_REG0, r22
putcfg r21, OCCR_REG1, r23
synco
/*
* Enable the MMU.
* From here-on code can be non-PIC.
*/
movi SR_HARMLESS | SR_ENABLE_MMU, r22
putcon r22, SSR
movi 1f, r22
putcon r22, SPC
synco
rte /* And now go into the hyperspace ... */
1: /* ... that's the next instruction ! */
/* Set initial stack pointer */
movi datalabel stack_start, r0
ld.l r0, 0, r15
/*
* Clear bss
*/
pt 1f, tr1
movi datalabel __bss_start, r22
movi datalabel _end, r23
1: st.l r22, 0, ZERO
addi r22, 4, r22
bne r22, r23, tr1
/*
* Decompress the kernel.
*/
pt decompress_kernel, tr0
blink tr0, r18
/*
* Disable the MMU.
*/
movi SR_HARMLESS, r22
putcon r22, SSR
movi 1f, r22
putcon r22, SPC
synco
rte /* And now go into the hyperspace ... */
1: /* ... that's the next instruction ! */
/* Jump into the decompressed kernel */
movi datalabel (CONFIG_MEMORY_START + 0x2000)+1, r19
ptabs r19, tr0
blink tr0, r18
/* Shouldn't return here, but just in case, loop forever */
pt 1f, tr0
1: blink tr0, ZERO
arch/sh64/boot/compressed/install.sh 0 → 100644
View file @ 48c4eaed
#!/bin/sh
#
# arch/sh/boot/install.sh
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1995 by Linus Torvalds
#
# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
# Adapted from code in arch/i386/boot/install.sh by Russell King
# Adapted from code in arch/arm/boot/install.sh by Stuart Menefy
#
# "make install" script for sh architecture
#
# Arguments:
# $1 - kernel version
# $2 - kernel image file
# $3 - kernel map file
# $4 - default install path (blank if root directory)
#
# User may have a custom install script
if [ -x /sbin/installkernel ]; then
exec /sbin/installkernel "$@"
fi
if [ "$2" = "zImage" ]; then
# Compressed install
echo "Installing compressed kernel"
if [ -f $4/vmlinuz-$1 ]; then
mv $4/vmlinuz-$1 $4/vmlinuz.old
fi
if [ -f $4/System.map-$1 ]; then
mv $4/System.map-$1 $4/System.old
fi
cat $2 > $4/vmlinuz-$1
cp $3 $4/System.map-$1
else
# Normal install
echo "Installing normal kernel"
if [ -f $4/vmlinux-$1 ]; then
mv $4/vmlinux-$1 $4/vmlinux.old
fi
if [ -f $4/System.map ]; then
mv $4/System.map $4/System.old
fi
cat $2 > $4/vmlinux-$1
cp $3 $4/System.map
fi
arch/sh64/boot/compressed/misc.c 0 → 100644
View file @ 48c4eaed
/*
* arch/shmedia/boot/compressed/misc.c
*
* This is a collection of several routines from gzip-1.0.3
* adapted for Linux.
*
* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
*
* Adapted for SHmedia from sh by Stuart Menefy, May 2002
*/
#include <linux/config.h>
#include <asm/uaccess.h>
/* cache.c */
#define CACHE_ENABLE 0
#define CACHE_DISABLE 1
int cache_control(unsigned int command);
/*
* gzip declarations
*/
#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset ((s), 0, (n))
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
#define WSIZE 0x8000 /* Window size must be at least 32k, */
/* and a power of two */
static uch *inbuf; /* input buffer */
static uch window[WSIZE]; /* Sliding window buffer */
static unsigned insize = 0; /* valid bytes in inbuf */
static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
static unsigned outcnt = 0; /* bytes in output buffer */
/* gzip flag byte */
#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
#define COMMENT 0x10 /* bit 4 set: file comment present */
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
#define RESERVED 0xC0 /* bit 6,7: reserved */
#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
/* Diagnostic functions */
#ifdef DEBUG
# define Assert(cond,msg) {if(!(cond)) error(msg);}
# define Trace(x) fprintf x
# define Tracev(x) {if (verbose) fprintf x ;}
# define Tracevv(x) {if (verbose>1) fprintf x ;}
# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
#else
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
static int fill_inbuf(void);
static void flush_window(void);
static void error(char *m);
static void gzip_mark(void **);
static void gzip_release(void **);
extern char input_data[];
extern int input_len;
static long bytes_out = 0;
static uch *output_data;
static unsigned long output_ptr = 0;
static void *malloc(int size);
static void free(void *where);
static void error(char *m);
static void gzip_mark(void **);
static void gzip_release(void **);
static void puts(const char *);
extern int _text; /* Defined in vmlinux.lds.S */
extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
#define HEAP_SIZE 0x10000
#include "../../../../lib/inflate.c"
static void *malloc(int size)
{
void *p;
if (size < 0)
error("Malloc error\n");
if (free_mem_ptr == 0)
error("Memory error\n");
free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
p = (void *) free_mem_ptr;
free_mem_ptr += size;
if (free_mem_ptr >= free_mem_end_ptr)
error("\nOut of memory\n");
return p;
}
static void free(void *where)
{ /* Don't care */
}
static void gzip_mark(void **ptr)
{
*ptr = (void *) free_mem_ptr;
}
static void gzip_release(void **ptr)
{
free_mem_ptr = (long) *ptr;
}
void puts(const char *s)
{
}
void *memset(void *s, int c, size_t n)
{
int i;
char *ss = (char *) s;
for (i = 0; i < n; i++)
ss[i] = c;
return s;
}
void *memcpy(void *__dest, __const void *__src, size_t __n)
{
int i;
char *d = (char *) __dest, *s = (char *) __src;
for (i = 0; i < __n; i++)
d[i] = s[i];
return __dest;
}
/* ===========================================================================
* Fill the input buffer. This is called only when the buffer is empty
* and at least one byte is really needed.
*/
static int fill_inbuf(void)
{
if (insize != 0) {
error("ran out of input data\n");
}
inbuf = input_data;
insize = input_len;
inptr = 1;
return inbuf[0];
}
/* ===========================================================================
* Write the output window window[0..outcnt-1] and update crc and bytes_out.
* (Used for the decompressed data only.)
*/
static void flush_window(void)
{
ulg c = crc; /* temporary variable */
unsigned n;
uch *in, *out, ch;
in = window;
out = &output_data[output_ptr];
for (n = 0; n < outcnt; n++) {
ch = *out++ = *in++;
c = crc_32_tab[((int) c ^ ch) & 0xff] ^ (c >> 8);
}
crc = c;
bytes_out += (ulg) outcnt;
output_ptr += (ulg) outcnt;
outcnt = 0;
puts(".");
}
static void error(char *x)
{
puts("\n\n");
puts(x);
puts("\n\n -- System halted");
while (1) ; /* Halt */
}
#define STACK_SIZE (4096)
long __attribute__ ((aligned(8))) user_stack[STACK_SIZE];
long *stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
output_data = (uch *) (CONFIG_MEMORY_START + 0x2000);
free_mem_ptr = (unsigned long) &_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
makecrc();
puts("Uncompressing Linux... ");
cache_control(CACHE_ENABLE);
gunzip();
puts("\n");
#if 0
/* When booting from ROM may want to do something like this if the
* boot loader doesn't.
*/
/* Set up the parameters and command line */
{
volatile unsigned int *parambase =
(int *) (CONFIG_MEMORY_START + 0x1000);
parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */
parambase[1] = 0x0; /* RAMDISK_FLAGS */
parambase[2] = 0x0200; /* ORIG_ROOT_DEV */
parambase[3] = 0x0; /* LOADER_TYPE */
parambase[4] = 0x0; /* INITRD_START */
parambase[5] = 0x0; /* INITRD_SIZE */
parambase[6] = 0;
strcpy((char *) ((int) parambase + 0x100),
"console=ttySC0,38400");
}
#endif
puts("Ok, booting the kernel.\n");
cache_control(CACHE_DISABLE);
}
arch/sh64/boot/compressed/vmlinux.lds.S 0 → 100644
View file @ 48c4eaed
/*
* ld script to make compressed SuperH/shmedia Linux kernel+decompression
* bootstrap
* Modified by Stuart Menefy from arch/sh/vmlinux.lds.S written by Niibe Yutaka
*/
#include <linux/config.h>
#ifdef CONFIG_LITTLE_ENDIAN
/* OUTPUT_FORMAT("elf32-sh64l-linux", "elf32-sh64l-linux", "elf32-sh64l-linux") */
#define NOP 0x6ff0fff0
#else
/* OUTPUT_FORMAT("elf32-sh64", "elf32-sh64", "elf32-sh64") */
#define NOP 0xf0fff06f
#endif
OUTPUT_FORMAT("elf32-sh64-linux")
OUTPUT_ARCH(sh)
ENTRY(_start)
#define ALIGNED_GAP(section, align) (((ADDR(section)+SIZEOF(section)+(align)-1) & ~((align)-1))-ADDR(section))
#define FOLLOWING(section, align) AT (LOADADDR(section) + ALIGNED_GAP(section,align))
SECTIONS
{
_text = .; /* Text and read-only data */
.text : {
*(.text)
*(.text64)
*(.text..SHmedia32)
*(.fixup)
*(.gnu.warning)
} = NOP
. = ALIGN(4);
.rodata : { *(.rodata) }
/* There is no 'real' reason for eight byte alignment, four would work
* as well, but gdb downloads much (*4) faster with this.
*/
. = ALIGN(8);
.image : { *(.image) }
. = ALIGN(4);
_etext = .; /* End of text section */
.data : /* Data */
FOLLOWING(.image, 4)
{
_data = .;
*(.data)
}
_data_image = LOADADDR(.data);/* Address of data section in ROM */
_edata = .; /* End of data section */
.stack : { stack = .; _stack = .; }
. = ALIGN(4);
__bss_start = .; /* BSS */
.bss : {
*(.bss)
}
. = ALIGN(4);
_end = . ;
}
arch/sh64/configs/cayman_defconfig 0 → 100644
View file @ 48c4eaed
This diff is collapsed.
arch/sh64/defconfig 0 → 100644
View file @ 48c4eaed
This diff is collapsed.
arch/sh64/kernel/Makefile 0 → 100644
View file @ 48c4eaed
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2000, 2001 Paolo Alberelli
# Copyright (C) 2003 Paul Mundt
#
# Makefile for the Linux sh64 kernel.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#
extra-y := head.o init_task.o vmlinux.lds.s
obj-y := process.o signal.o entry.o traps.o irq.o irq_intc.o \
ptrace.o setup.o time.o sys_sh64.o semaphore.o sh_ksyms.o \
switchto.o syscalls.o
obj-$(CONFIG_HEARTBEAT) += led.o
obj-$(CONFIG_SH_ALPHANUMERIC) += alphanum.o
obj-$(CONFIG_SH_DMA) += dma.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_KALLSYMS) += unwind.o
obj-$(CONFIG_PCI) += pci-dma.o pcibios.o
ifeq ($(CONFIG_PCI),y)
obj-$(CONFIG_CPU_SH5) += pci_sh5.o
endif
ifndef CONFIG_NOFPU_SUPPORT
obj-y += fpu.o
endif
USE_STANDARD_AS_RULE := true
arch/sh64/kernel/alphanum.c 0 → 100644
View file @ 48c4eaed
/*
* arch/sh64/kernel/alpanum.c
*
* Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* Machine-independent functions for handling 8-digit alphanumeric display
* (e.g. Agilent HDSP-253x)
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/sched.h>
void mach_alphanum(int pos, unsigned char val);
void mach_led(int pos, int val);
void print_seg(char *file, int line)
{
int i;
unsigned int nibble;
for (i = 0; i < 5; i++) {
mach_alphanum(i, file[i]);
}
for (i = 0; i < 3; i++) {
nibble = ((line >> (i * 4)) & 0xf);
mach_alphanum(7 - i, nibble + ((nibble > 9) ? 55 : 48));
}
}
void print_seg_num(unsigned num)
{
int i;
unsigned int nibble;
for (i = 0; i < 8; i++) {
nibble = ((num >> (i * 4)) & 0xf);
mach_alphanum(7 - i, nibble + ((nibble > 9) ? 55 : 48));
}
}
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/*
* This program is used to generate definitions needed by
* assembly language modules.
*
* We use the technique used in the OSF Mach kernel code:
* generate asm statements containing #defines,
* compile this file to assembler, and then extract the
* #defines from the assembly-language output.
*/
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <asm/thread_info.h>
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define BLANK() asm volatile("\n->" : : )
int main(void)
{
/* offsets into the thread_info struct */
DEFINE(TI_TASK, offsetof(struct thread_info, task));
DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block));
return 0;
}
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/*
* arch/sh64/kernel/early_printk.c
*
* SH-5 Early SCIF console (cloned and hacked from sh implementation)
*
* Copyright (C) 2003, 2004 Paul Mundt <lethal@linux-sh.org>
* Copyright (C) 2002 M. R. Brown <mrbrown@0xd6.org>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/console.h>
#include <linux/tty.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/hardware.h>
extern void cpu_relax(void);
#define SCIF_BASE_ADDR 0x01030000
#define SCIF_ADDR_SH5 PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR
/*
* Fixed virtual address where SCIF is mapped (should already be done
* in arch/sh64/kernel/head.S!).
*/
#define SCIF_REG 0xfa030000
enum {
SCIF_SCSMR2 = SCIF_REG + 0x00,
SCIF_SCBRR2 = SCIF_REG + 0x04,
SCIF_SCSCR2 = SCIF_REG + 0x08,
SCIF_SCFTDR2 = SCIF_REG + 0x0c,
SCIF_SCFSR2 = SCIF_REG + 0x10,
SCIF_SCFRDR2 = SCIF_REG + 0x14,
SCIF_SCFCR2 = SCIF_REG + 0x18,
SCIF_SCFDR2 = SCIF_REG + 0x1c,
SCIF_SCSPTR2 = SCIF_REG + 0x20,
SCIF_SCLSR2 = SCIF_REG + 0x24,
};
static void sh_console_putc(int c)
{
while (!(ctrl_inw(SCIF_SCFSR2) & 0x20))
cpu_relax();
ctrl_outb(c, SCIF_SCFTDR2);
ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0x9f), SCIF_SCFSR2);
if (c == '\n')
sh_console_putc('\r');
}
static void sh_console_flush(void)
{
ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2);
while (!(ctrl_inw(SCIF_SCFSR2) & 0x40))
cpu_relax();
ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2);
}
static void sh_console_write(struct console *con, const char *s, unsigned count)
{
while (count-- > 0)
sh_console_putc(*s++);
sh_console_flush();
}
static int __init sh_console_setup(struct console *con, char *options)
{
con->cflag = CREAD | HUPCL | CLOCAL | B19200 | CS8;
return 0;
}
static struct console sh_console = {
.name = "scifcon",
.write = sh_console_write,
.setup = sh_console_setup,
.flags = CON_PRINTBUFFER,
.index = -1,
};
void __init enable_early_printk(void)
{
ctrl_outb(0x2a, SCIF_SCBRR2); /* 19200bps */
ctrl_outw(0x04, SCIF_SCFCR2); /* Reset TFRST */
ctrl_outw(0x10, SCIF_SCFCR2); /* TTRG0=1 */
ctrl_outw(0, SCIF_SCSPTR2);
ctrl_outw(0x60, SCIF_SCFSR2);
ctrl_outw(0, SCIF_SCLSR2);
ctrl_outw(0x30, SCIF_SCSCR2);
register_console(&sh_console);
}
void disable_early_printk(void)
{
unregister_console(&sh_console);
}
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/sh64/kernel/init_task.c
*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Paul Mundt
*
*/
#include <linux/rwsem.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/init_task.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
static struct fs_struct init_fs = INIT_FS;
static struct files_struct init_files = INIT_FILES;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
struct pt_regs fake_swapper_regs;
/*
* Initial thread structure.
*
* We need to make sure that this is THREAD_SIZE-byte aligned due
* to the way process stacks are handled. This is done by having a
* special "init_task" linker map entry..
*/
union thread_union init_thread_union
__attribute__((__section__(".data.init_task"))) =
{ INIT_THREAD_INFO(init_task) };
/*
* Initial task structure.
*
* All other task structs will be allocated on slabs in fork.c
*/
struct task_struct init_task = INIT_TASK(init_task);
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/*
* arch/sh64/kernel/led.c
*
* Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* Flash the LEDs
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/sched.h>
void mach_led(int pos, int val);
/* acts like an actual heart beat -- ie thump-thump-pause... */
void heartbeat(void)
{
static unsigned int cnt = 0, period = 0, dist = 0;
if (cnt == 0 || cnt == dist) {
mach_led(-1, 1);
} else if (cnt == 7 || cnt == dist + 7) {
mach_led(-1, 0);
}
if (++cnt > period) {
cnt = 0;
/*
* The hyperbolic function below modifies the heartbeat period
* length in dependency of the current (5min) load. It goes
* through the points f(0)=126, f(1)=86, f(5)=51, f(inf)->30.
*/
period = ((672 << FSHIFT) / (5 * avenrun[0] +
(7 << FSHIFT))) + 30;
dist = period / 4;
}
}
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#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2000, 2001 Paolo Alberelli
# Coprygith (C) 2003 Paul Mundt
#
# Makefile for the SH-5 specific library files..
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#
# Panic should really be compiled as PIC
lib-y := udelay.o c-checksum.o dbg.o io.o panic.o memcpy.o copy_user_memcpy.o \
page_copy.o page_clear.o
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#
# Makefile for the Hitachi Cayman specific parts of the kernel
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#
obj-y := setup.o irq.o
obj-$(CONFIG_HEARTBEAT) += led.o
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