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-rw-r--r--arch/parisc/kernel/cache.c34
-rw-r--r--arch/parisc/kernel/drivers.c273
-rw-r--r--arch/parisc/kernel/entry.S188
-rw-r--r--arch/parisc/kernel/firmware.c16
-rw-r--r--arch/parisc/kernel/head.S73
-rw-r--r--arch/parisc/kernel/ioctl32.c37
-rw-r--r--arch/parisc/kernel/pacache.S186
-rw-r--r--arch/parisc/kernel/pci-dma.c56
-rw-r--r--arch/parisc/kernel/pci.c3
-rw-r--r--arch/parisc/kernel/pdc_cons.c46
-rw-r--r--arch/parisc/kernel/perf.c12
-rw-r--r--arch/parisc/kernel/process.c34
-rw-r--r--arch/parisc/kernel/processor.c8
-rw-r--r--arch/parisc/kernel/ptrace.c2
-rw-r--r--arch/parisc/kernel/real2.S36
-rw-r--r--arch/parisc/kernel/signal.c22
-rw-r--r--arch/parisc/kernel/smp.c2
-rw-r--r--arch/parisc/kernel/syscall.S37
-rw-r--r--arch/parisc/kernel/syscall_table.S10
-rw-r--r--arch/parisc/kernel/time.c30
-rw-r--r--arch/parisc/kernel/traps.c37
-rw-r--r--arch/parisc/kernel/unaligned.c16
22 files changed, 621 insertions, 537 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index f46a07a7921..a065349aee3 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -27,6 +27,7 @@
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/processor.h>
+#include <asm/sections.h>
int split_tlb;
int dcache_stride;
@@ -207,6 +208,9 @@ parisc_cache_init(void)
/* "New and Improved" version from Jim Hull
* (1 << (cc_block-1)) * (cc_line << (4 + cnf.cc_shift))
+ * The following CAFL_STRIDE is an optimized version, see
+ * http://lists.parisc-linux.org/pipermail/parisc-linux/2004-June/023625.html
+ * http://lists.parisc-linux.org/pipermail/parisc-linux/2004-June/023671.html
*/
#define CAFL_STRIDE(cnf) (cnf.cc_line << (3 + cnf.cc_block + cnf.cc_shift))
dcache_stride = CAFL_STRIDE(cache_info.dc_conf);
@@ -266,7 +270,6 @@ void flush_dcache_page(struct page *page)
unsigned long offset;
unsigned long addr;
pgoff_t pgoff;
- pte_t *pte;
unsigned long pfn = page_to_pfn(page);
@@ -297,21 +300,16 @@ void flush_dcache_page(struct page *page)
* taking a page fault if the pte doesn't exist.
* This is just for speed. If the page translation
* isn't there, there's no point exciting the
- * nadtlb handler into a nullification frenzy */
-
-
- if(!(pte = translation_exists(mpnt, addr)))
- continue;
-
- /* make sure we really have this page: the private
+ * nadtlb handler into a nullification frenzy.
+ *
+ * Make sure we really have this page: the private
* mappings may cover this area but have COW'd this
- * particular page */
- if(pte_pfn(*pte) != pfn)
- continue;
-
- __flush_cache_page(mpnt, addr);
-
- break;
+ * particular page.
+ */
+ if (translation_exists(mpnt, addr, pfn)) {
+ __flush_cache_page(mpnt, addr);
+ break;
+ }
}
flush_dcache_mmap_unlock(mapping);
}
@@ -339,17 +337,15 @@ int parisc_cache_flush_threshold = FLUSH_THRESHOLD;
void parisc_setup_cache_timing(void)
{
unsigned long rangetime, alltime;
- extern char _text; /* start of kernel code, defined by linker */
- extern char _end; /* end of BSS, defined by linker */
unsigned long size;
alltime = mfctl(16);
flush_data_cache();
alltime = mfctl(16) - alltime;
- size = (unsigned long)(&_end - _text);
+ size = (unsigned long)(_end - _text);
rangetime = mfctl(16);
- flush_kernel_dcache_range((unsigned long)&_text, size);
+ flush_kernel_dcache_range((unsigned long)_text, size);
rangetime = mfctl(16) - rangetime;
printk(KERN_DEBUG "Whole cache flush %lu cycles, flushing %lu bytes %lu cycles\n",
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index d34bbe7ae0e..988844a169e 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -46,36 +46,51 @@ static struct device root = {
.bus_id = "parisc",
};
-#define for_each_padev(padev) \
- for (padev = next_dev(&root); padev != NULL; \
- padev = next_dev(&padev->dev))
+static inline int check_dev(struct device *dev)
+{
+ if (dev->bus == &parisc_bus_type) {
+ struct parisc_device *pdev;
+ pdev = to_parisc_device(dev);
+ return pdev->id.hw_type != HPHW_FAULTY;
+ }
+ return 1;
+}
+
+static struct device *
+parse_tree_node(struct device *parent, int index, struct hardware_path *modpath);
-#define check_dev(padev) \
- (padev->id.hw_type != HPHW_FAULTY) ? padev : next_dev(&padev->dev)
+struct recurse_struct {
+ void * obj;
+ int (*fn)(struct device *, void *);
+};
+
+static int descend_children(struct device * dev, void * data)
+{
+ struct recurse_struct * recurse_data = (struct recurse_struct *)data;
+
+ if (recurse_data->fn(dev, recurse_data->obj))
+ return 1;
+ else
+ return device_for_each_child(dev, recurse_data, descend_children);
+}
/**
- * next_dev - enumerates registered devices
- * @dev: the previous device returned from next_dev
+ * for_each_padev - Iterate over all devices in the tree
+ * @fn: Function to call for each device.
+ * @data: Data to pass to the called function.
*
- * next_dev does a depth-first search of the tree, returning parents
- * before children. Returns NULL when there are no more devices.
+ * This performs a depth-first traversal of the tree, calling the
+ * function passed for each node. It calls the function for parents
+ * before children.
*/
-static struct parisc_device *next_dev(struct device *dev)
-{
- if (!list_empty(&dev->children)) {
- dev = list_to_dev(dev->children.next);
- return check_dev(to_parisc_device(dev));
- }
- while (dev != &root) {
- if (dev->node.next != &dev->parent->children) {
- dev = list_to_dev(dev->node.next);
- return to_parisc_device(dev);
- }
- dev = dev->parent;
- }
-
- return NULL;
+static int for_each_padev(int (*fn)(struct device *, void *), void * data)
+{
+ struct recurse_struct recurse_data = {
+ .obj = data,
+ .fn = fn,
+ };
+ return device_for_each_child(&root, &recurse_data, descend_children);
}
/**
@@ -105,12 +120,6 @@ static int match_device(struct parisc_driver *driver, struct parisc_device *dev)
return 0;
}
-static void claim_device(struct parisc_driver *driver, struct parisc_device *dev)
-{
- dev->driver = driver;
- request_mem_region(dev->hpa, 0x1000, driver->name);
-}
-
static int parisc_driver_probe(struct device *dev)
{
int rc;
@@ -119,8 +128,8 @@ static int parisc_driver_probe(struct device *dev)
rc = pa_drv->probe(pa_dev);
- if(!rc)
- claim_device(pa_drv, pa_dev);
+ if (!rc)
+ pa_dev->driver = pa_drv;
return rc;
}
@@ -131,7 +140,6 @@ static int parisc_driver_remove(struct device *dev)
struct parisc_driver *pa_drv = to_parisc_driver(dev->driver);
if (pa_drv->remove)
pa_drv->remove(pa_dev);
- release_mem_region(pa_dev->hpa, 0x1000);
return 0;
}
@@ -173,6 +181,24 @@ int register_parisc_driver(struct parisc_driver *driver)
}
EXPORT_SYMBOL(register_parisc_driver);
+
+struct match_count {
+ struct parisc_driver * driver;
+ int count;
+};
+
+static int match_and_count(struct device * dev, void * data)
+{
+ struct match_count * m = data;
+ struct parisc_device * pdev = to_parisc_device(dev);
+
+ if (check_dev(dev)) {
+ if (match_device(m->driver, pdev))
+ m->count++;
+ }
+ return 0;
+}
+
/**
* count_parisc_driver - count # of devices this driver would match
* @driver: the PA-RISC driver to try
@@ -182,15 +208,14 @@ EXPORT_SYMBOL(register_parisc_driver);
*/
int count_parisc_driver(struct parisc_driver *driver)
{
- struct parisc_device *device;
- int cnt = 0;
+ struct match_count m = {
+ .driver = driver,
+ .count = 0,
+ };
- for_each_padev(device) {
- if (match_device(driver, device))
- cnt++;
- }
+ for_each_padev(match_and_count, &m);
- return cnt;
+ return m.count;
}
@@ -206,14 +231,34 @@ int unregister_parisc_driver(struct parisc_driver *driver)
}
EXPORT_SYMBOL(unregister_parisc_driver);
-static struct parisc_device *find_device_by_addr(unsigned long hpa)
+struct find_data {
+ unsigned long hpa;
+ struct parisc_device * dev;
+};
+
+static int find_device(struct device * dev, void * data)
{
- struct parisc_device *dev;
- for_each_padev(dev) {
- if (dev->hpa == hpa)
- return dev;
+ struct parisc_device * pdev = to_parisc_device(dev);
+ struct find_data * d = (struct find_data*)data;
+
+ if (check_dev(dev)) {
+ if (pdev->hpa.start == d->hpa) {
+ d->dev = pdev;
+ return 1;
+ }
}
- return NULL;
+ return 0;
+}
+
+static struct parisc_device *find_device_by_addr(unsigned long hpa)
+{
+ struct find_data d = {
+ .hpa = hpa,
+ };
+ int ret;
+
+ ret = for_each_padev(find_device, &d);
+ return ret ? d.dev : NULL;
}
/**
@@ -387,6 +432,23 @@ struct parisc_device * create_tree_node(char id, struct device *parent)
return dev;
}
+struct match_id_data {
+ char id;
+ struct parisc_device * dev;
+};
+
+static int match_by_id(struct device * dev, void * data)
+{
+ struct parisc_device * pdev = to_parisc_device(dev);
+ struct match_id_data * d = data;
+
+ if (pdev->hw_path == d->id) {
+ d->dev = pdev;
+ return 1;
+ }
+ return 0;
+}
+
/**
* alloc_tree_node - returns a device entry in the iotree
* @parent: the parent node in the tree
@@ -397,15 +459,13 @@ struct parisc_device * create_tree_node(char id, struct device *parent)
*/
static struct parisc_device * alloc_tree_node(struct device *parent, char id)
{
- struct device *dev;
-
- list_for_each_entry(dev, &parent->children, node) {
- struct parisc_device *padev = to_parisc_device(dev);
- if (padev->hw_path == id)
- return padev;
- }
-
- return create_tree_node(id, parent);
+ struct match_id_data d = {
+ .id = id,
+ };
+ if (device_for_each_child(parent, &d, match_by_id))
+ return d.dev;
+ else
+ return create_tree_node(id, parent);
}
static struct parisc_device *create_parisc_device(struct hardware_path *modpath)
@@ -439,10 +499,8 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
dev = create_parisc_device(mod_path);
if (dev->id.hw_type != HPHW_FAULTY) {
- char p[64];
- print_pa_hwpath(dev, p);
printk("Two devices have hardware path %s. Please file a bug with HP.\n"
- "In the meantime, you could try rearranging your cards.\n", p);
+ "In the meantime, you could try rearranging your cards.\n", parisc_pathname(dev));
return NULL;
}
@@ -451,12 +509,27 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
dev->id.hversion_rev = iodc_data[1] & 0x0f;
dev->id.sversion = ((iodc_data[4] & 0x0f) << 16) |
(iodc_data[5] << 8) | iodc_data[6];
- dev->hpa = hpa;
+ dev->hpa.name = parisc_pathname(dev);
+ dev->hpa.start = hpa;
+ if (hpa == 0xf4000000 || hpa == 0xf6000000 ||
+ hpa == 0xf8000000 || hpa == 0xfa000000) {
+ dev->hpa.end = hpa + 0x01ffffff;
+ } else {
+ dev->hpa.end = hpa + 0xfff;
+ }
+ dev->hpa.flags = IORESOURCE_MEM;
name = parisc_hardware_description(&dev->id);
if (name) {
strlcpy(dev->name, name, sizeof(dev->name));
}
+ /* Silently fail things like mouse ports which are subsumed within
+ * the keyboard controller
+ */
+ if ((hpa & 0xfff) == 0 && insert_resource(&iomem_resource, &dev->hpa))
+ printk("Unable to claim HPA %lx for device %s\n",
+ hpa, name);
+
return dev;
}
@@ -555,6 +628,33 @@ static int match_parisc_device(struct device *dev, int index,
return (curr->hw_path == id);
}
+struct parse_tree_data {
+ int index;
+ struct hardware_path * modpath;
+ struct device * dev;
+};
+
+static int check_parent(struct device * dev, void * data)
+{
+ struct parse_tree_data * d = data;
+
+ if (check_dev(dev)) {
+ if (dev->bus == &parisc_bus_type) {
+ if (match_parisc_device(dev, d->index, d->modpath))
+ d->dev = dev;
+ } else if (is_pci_dev(dev)) {
+ if (match_pci_device(dev, d->index, d->modpath))
+ d->dev = dev;
+ } else if (dev->bus == NULL) {
+ /* we are on a bus bridge */
+ struct device *new = parse_tree_node(dev, d->index, d->modpath);
+ if (new)
+ d->dev = new;
+ }
+ }
+ return d->dev != NULL;
+}
+
/**
* parse_tree_node - returns a device entry in the iotree
* @parent: the parent node in the tree
@@ -568,24 +668,18 @@ static int match_parisc_device(struct device *dev, int index,
static struct device *
parse_tree_node(struct device *parent, int index, struct hardware_path *modpath)
{
- struct device *device;
-
- list_for_each_entry(device, &parent->children, node) {
- if (device->bus == &parisc_bus_type) {
- if (match_parisc_device(device, index, modpath))
- return device;
- } else if (is_pci_dev(device)) {
- if (match_pci_device(device, index, modpath))
- return device;
- } else if (device->bus == NULL) {
- /* we are on a bus bridge */
- struct device *new = parse_tree_node(device, index, modpath);
- if (new)
- return new;
- }
- }
+ struct parse_tree_data d = {
+ .index = index,
+ .modpath = modpath,
+ };
- return NULL;
+ struct recurse_struct recurse_data = {
+ .obj = &d,
+ .fn = check_parent,
+ };
+
+ device_for_each_child(parent, &recurse_data, descend_children);
+ return d.dev;
}
/**
@@ -636,7 +730,7 @@ EXPORT_SYMBOL(device_to_hwpath);
((dev->id.hw_type == HPHW_IOA) || (dev->id.hw_type == HPHW_BCPORT))
#define IS_LOWER_PORT(dev) \
- ((gsc_readl(dev->hpa + offsetof(struct bc_module, io_status)) \
+ ((gsc_readl(dev->hpa.start + offsetof(struct bc_module, io_status)) \
& BC_PORT_MASK) == BC_LOWER_PORT)
#define MAX_NATIVE_DEVICES 64
@@ -645,8 +739,8 @@ EXPORT_SYMBOL(device_to_hwpath);
#define FLEX_MASK F_EXTEND(0xfffc0000)
#define IO_IO_LOW offsetof(struct bc_module, io_io_low)
#define IO_IO_HIGH offsetof(struct bc_module, io_io_high)
-#define READ_IO_IO_LOW(dev) (unsigned long)(signed int)gsc_readl(dev->hpa + IO_IO_LOW)
-#define READ_IO_IO_HIGH(dev) (unsigned long)(signed int)gsc_readl(dev->hpa + IO_IO_HIGH)
+#define READ_IO_IO_LOW(dev) (unsigned long)(signed int)gsc_readl(dev->hpa.start + IO_IO_LOW)
+#define READ_IO_IO_HIGH(dev) (unsigned long)(signed int)gsc_readl(dev->hpa.start + IO_IO_HIGH)
static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high,
struct device *parent);
@@ -655,10 +749,10 @@ void walk_lower_bus(struct parisc_device *dev)
{
unsigned long io_io_low, io_io_high;
- if(!BUS_CONVERTER(dev) || IS_LOWER_PORT(dev))
+ if (!BUS_CONVERTER(dev) || IS_LOWER_PORT(dev))
return;
- if(dev->id.hw_type == HPHW_IOA) {
+ if (dev->id.hw_type == HPHW_IOA) {
io_io_low = (unsigned long)(signed int)(READ_IO_IO_LOW(dev) << 16);
io_io_high = io_io_low + MAX_NATIVE_DEVICES * NATIVE_DEVICE_OFFSET;
} else {
@@ -731,7 +825,7 @@ static void print_parisc_device(struct parisc_device *dev)
print_pa_hwpath(dev, hw_path);
printk(KERN_INFO "%d. %s at 0x%lx [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
- ++count, dev->name, dev->hpa, hw_path, dev->id.hw_type,
+ ++count, dev->name, dev->hpa.start, hw_path, dev->id.hw_type,
dev->id.hversion_rev, dev->id.hversion, dev->id.sversion);
if (dev->num_addrs) {
@@ -753,13 +847,20 @@ void init_parisc_bus(void)
get_device(&root);
}
+
+static int print_one_device(struct device * dev, void * data)
+{
+ struct parisc_device * pdev = to_parisc_device(dev);
+
+ if (check_dev(dev))
+ print_parisc_device(pdev);
+ return 0;
+}
+
/**
* print_parisc_devices - Print out a list of devices found in this system
*/
void print_parisc_devices(void)
{
- struct parisc_device *dev;
- for_each_padev(dev) {
- print_parisc_device(dev);
- }
+ for_each_padev(print_one_device, NULL);
}
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index be0f07f2fa5..c7e66ee5b08 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -30,14 +30,14 @@
* - save registers to kernel stack and handle in assembly or C */
+#include <asm/psw.h>
#include <asm/assembly.h> /* for LDREG/STREG defines */
#include <asm/pgtable.h>
-#include <asm/psw.h>
#include <asm/signal.h>
#include <asm/unistd.h>
#include <asm/thread_info.h>
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define CMPIB cmpib,*
#define CMPB cmpb,*
#define COND(x) *x
@@ -67,19 +67,22 @@
/* Switch to virtual mapping, trashing only %r1 */
.macro virt_map
- rsm PSW_SM_Q,%r0
- tovirt_r1 %r29
- mfsp %sr7, %r1
- or,= %r0,%r1,%r0 /* Only save sr7 in sr3 if sr7 != 0 */
- mtsp %r1, %sr3
+ /* pcxt_ssm_bug */
+ rsm PSW_SM_I, %r0 /* barrier for "Relied upon Translation */
mtsp %r0, %sr4
mtsp %r0, %sr5
+ mfsp %sr7, %r1
+ or,= %r0,%r1,%r0 /* Only save sr7 in sr3 if sr7 != 0 */
+ mtsp %r1, %sr3
+ tovirt_r1 %r29
+ load32 KERNEL_PSW, %r1
+
+ rsm PSW_SM_QUIET,%r0 /* second "heavy weight" ctl op */
mtsp %r0, %sr6
mtsp %r0, %sr7
- load32 KERNEL_PSW, %r1
- mtctl %r1, %cr22
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
+ mtctl %r1, %ipsw
load32 4f, %r1
mtctl %r1, %cr18 /* Set IIAOQ tail */
ldo 4(%r1), %r1
@@ -214,7 +217,7 @@
va = r8 /* virtual address for which the trap occured */
spc = r24 /* space for which the trap occured */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/*
* itlb miss interruption handler (parisc 1.1 - 32 bit)
@@ -236,7 +239,7 @@
.macro itlb_20 code
mfctl %pcsq, spc
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b itlb_miss_20w
#else
b itlb_miss_20
@@ -246,7 +249,7 @@
.align 32
.endm
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/*
* naitlb miss interruption handler (parisc 1.1 - 32 bit)
*
@@ -283,7 +286,7 @@
.macro naitlb_20 code
mfctl %isr,spc
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b itlb_miss_20w
#else
b itlb_miss_20
@@ -296,7 +299,7 @@
.align 32
.endm
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/*
* dtlb miss interruption handler (parisc 1.1 - 32 bit)
*/
@@ -318,7 +321,7 @@
.macro dtlb_20 code
mfctl %isr, spc
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b dtlb_miss_20w
#else
b dtlb_miss_20
@@ -328,7 +331,7 @@
.align 32
.endm
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/* nadtlb miss interruption handler (parisc 1.1 - 32 bit) */
.macro nadtlb_11 code
@@ -346,7 +349,7 @@
.macro nadtlb_20 code
mfctl %isr,spc
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b nadtlb_miss_20w
#else
b nadtlb_miss_20
@@ -356,7 +359,7 @@
.align 32
.endm
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
/*
* dirty bit trap interruption handler (parisc 1.1 - 32 bit)
*/
@@ -378,7 +381,7 @@
.macro dbit_20 code
mfctl %isr,spc
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b dbit_trap_20w
#else
b dbit_trap_20
@@ -391,7 +394,7 @@
/* The following are simple 32 vs 64 bit instruction
* abstractions for the macros */
.macro EXTR reg1,start,length,reg2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u \reg1,32+\start,\length,\reg2
#else
extrw,u \reg1,\start,\length,\reg2
@@ -399,7 +402,7 @@
.endm
.macro DEP reg1,start,length,reg2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depd \reg1,32+\start,\length,\reg2
#else
depw \reg1,\start,\length,\reg2
@@ -407,7 +410,7 @@
.endm
.macro DEPI val,start,length,reg
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi \val,32+\start,\length,\reg
#else
depwi \val,\start,\length,\reg
@@ -418,7 +421,7 @@
* fault. We have to extract this and place it in the va,
* zeroing the corresponding bits in the space register */
.macro space_adjust spc,va,tmp
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u \spc,63,SPACEID_SHIFT,\tmp
depd %r0,63,SPACEID_SHIFT,\spc
depd \tmp,31,SPACEID_SHIFT,\va
@@ -476,7 +479,7 @@
bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault
DEP %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
copy \pmd,%r9
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
shld %r9,PxD_VALUE_SHIFT,\pmd
#else
shlw %r9,PxD_VALUE_SHIFT,\pmd
@@ -607,7 +610,7 @@
.macro do_alias spc,tmp,tmp1,va,pte,prot,fault
cmpib,COND(<>),n 0,\spc,\fault
ldil L%(TMPALIAS_MAP_START),\tmp
-#if defined(__LP64__) && (TMPALIAS_MAP_START >= 0x80000000)
+#if defined(CONFIG_64BIT) && (TMPALIAS_MAP_START >= 0x80000000)
/* on LP64, ldi will sign extend into the upper 32 bits,
* which is behaviour we don't want */
depdi 0,31,32,\tmp
@@ -621,7 +624,7 @@
* OK, it is in the temp alias region, check whether "from" or "to".
* Check "subtle" note in pacache.S re: r23/r26.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u,*= \va,41,1,%r0
#else
extrw,u,= \va,9,1,%r0
@@ -688,7 +691,7 @@ fault_vector_20:
def 30
def 31
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.export fault_vector_11
@@ -761,7 +764,7 @@ __kernel_thread:
copy %r30, %r1
ldo PT_SZ_ALGN(%r30),%r30
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Yo, function pointers in wide mode are little structs... -PB */
ldd 24(%r26), %r2
STREG %r2, PT_GR27(%r1) /* Store childs %dp */
@@ -777,7 +780,7 @@ __kernel_thread:
or %r26, %r24, %r26 /* will have kernel mappings. */
ldi 1, %r25 /* stack_start, signals kernel thread */
stw %r0, -52(%r30) /* user_tid */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
BL do_fork, %r2
@@ -806,7 +809,7 @@ ret_from_kernel_thread:
LDREG TI_TASK-THREAD_SZ_ALGN(%r30), %r1
LDREG TASK_PT_GR25(%r1), %r26
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
LDREG TASK_PT_GR27(%r1), %r27
LDREG TASK_PT_GR22(%r1), %r22
#endif
@@ -814,11 +817,16 @@ ret_from_kernel_thread:
ble 0(%sr7, %r1)
copy %r31, %r2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
loadgp /* Thread could have been in a module */
#endif
+#ifndef CONFIG_64BIT
b sys_exit
+#else
+ load32 sys_exit, %r1
+ bv %r0(%r1)
+#endif
ldi 0, %r26
.import sys_execve, code
@@ -830,7 +838,7 @@ __execve:
STREG %r26, PT_GR26(%r16)
STREG %r25, PT_GR25(%r16)
STREG %r24, PT_GR24(%r16)
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
BL sys_execve, %r2
@@ -855,6 +863,7 @@ __execve:
_switch_to:
STREG %r2, -RP_OFFSET(%r30)
+ callee_save_float
callee_save
load32 _switch_to_ret, %r2
@@ -871,6 +880,7 @@ _switch_to:
_switch_to_ret:
mtctl %r0, %cr0 /* Needed for single stepping */
callee_rest
+ callee_rest_float
LDREG -RP_OFFSET(%r30), %r2
bv %r0(%r2)
@@ -888,9 +898,6 @@ _switch_to_ret:
* this way, then we will need to copy %sr3 in to PT_SR[3..7], and
* adjust IASQ[0..1].
*
- * Note that the following code uses a "relied upon translation".
- * See the parisc ACD for details. The ssm is necessary due to a
- * PCXT bug.
*/
.align 4096
@@ -911,7 +918,7 @@ syscall_exit_rfi:
STREG %r19,PT_IAOQ1(%r16)
LDREG PT_PSW(%r16),%r19
load32 USER_PSW_MASK,%r1
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
load32 USER_PSW_HI_MASK,%r20
depd %r20,31,32,%r1
#endif
@@ -955,7 +962,7 @@ intr_return:
/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) amount
** irq_stat[] is defined using ____cacheline_aligned.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
shld %r1, 6, %r20
#else
shlw %r1, 5, %r20
@@ -963,9 +970,6 @@ intr_return:
add %r19,%r20,%r19 /* now have &irq_stat[smp_processor_id()] */
#endif /* CONFIG_SMP */
- LDREG IRQSTAT_SIRQ_PEND(%r19),%r20 /* hardirq.h: unsigned long */
- cmpib,<>,n 0,%r20,intr_do_softirq /* forward */
-
intr_check_resched:
/* check for reschedule */
@@ -985,24 +989,19 @@ intr_restore:
rest_fp %r1
rest_general %r29
- /* Create a "relied upon translation" PA 2.0 Arch. F-5 */
- ssm 0,%r0
- nop
- nop
- nop
- nop
- nop
- nop
- nop
+ /* inverse of virt_map */
+ pcxt_ssm_bug
+ rsm PSW_SM_QUIET,%r0 /* prepare for rfi */
tophys_r1 %r29
- rsm (PSW_SM_Q|PSW_SM_P|PSW_SM_D|PSW_SM_I),%r0
/* Restore space id's and special cr's from PT_REGS
- * structure pointed to by r29 */
+ * structure pointed to by r29
+ */
rest_specials %r29
- /* Important: Note that rest_stack restores r29
- * last (we are using it)! It also restores r1 and r30. */
+ /* IMPORTANT: rest_stack restores r29 last (we are using it)!
+ * It also restores r1 and r30.
+ */
rest_stack
rfi
@@ -1015,17 +1014,6 @@ intr_restore:
nop
nop
- .import do_softirq,code
-intr_do_softirq:
- bl do_softirq,%r2
-#ifdef __LP64__
- ldo -16(%r30),%r29 /* Reference param save area */
-#else
- nop
-#endif
- b intr_check_resched
- nop
-
.import schedule,code
intr_do_resched:
/* Only do reschedule if we are returning to user space */
@@ -1036,12 +1024,17 @@ intr_do_resched:
CMPIB= 0,%r20,intr_restore /* backward */
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
ldil L%intr_check_sig, %r2
+#ifndef CONFIG_64BIT
b schedule
+#else
+ load32 schedule, %r20
+ bv %r0(%r20)
+#endif
ldo R%intr_check_sig(%r2), %r2
@@ -1064,7 +1057,7 @@ intr_do_signal:
copy %r0, %r24 /* unsigned long in_syscall */
copy %r16, %r25 /* struct pt_regs *regs */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1088,7 +1081,7 @@ intr_extint:
mfctl %cr31,%r1
copy %r30,%r17
/* FIXME! depi below has hardcoded idea of interrupt stack size (32k)*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi 0,63,15,%r17
#else
depi 0,31,15,%r17
@@ -1115,7 +1108,7 @@ intr_extint:
ldil L%intr_return, %r2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1153,15 +1146,17 @@ intr_save:
CMPIB=,n 6,%r26,skip_save_ior
- /* save_specials left ipsw value in r8 for us to test */
mfctl %cr20, %r16 /* isr */
+ nop /* serialize mfctl on PA 2.0 to avoid 4 cycle penalty */
mfctl %cr21, %r17 /* ior */
-#ifdef __LP64__
+
+#ifdef CONFIG_64BIT
/*
* If the interrupted code was running with W bit off (32 bit),
* clear the b bits (bits 0 & 1) in the ior.
+ * save_specials left ipsw value in r8 for us to test.
*/
extrd,u,*<> %r8,PSW_W_BIT,1,%r0
depdi 0,1,2,%r17
@@ -1192,7 +1187,7 @@ skip_save_ior:
loadgp
copy %r29, %r25 /* arg1 is pt_regs */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1230,7 +1225,7 @@ skip_save_ior:
spc = r24 /* space for which the trap occured */
ptp = r25 /* page directory/page table pointer */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
dtlb_miss_20w:
space_adjust spc,va,t0
@@ -1487,10 +1482,10 @@ nadtlb_emulate:
add,l %r1,%r24,%r1 /* doesn't affect c/b bits */
nadtlb_nullify:
- mfctl %cr22,%r8 /* Get ipsw */
+ mfctl %ipsw,%r8
ldil L%PSW_N,%r9
or %r8,%r9,%r8 /* Set PSW_N */
- mtctl %r8,%cr22
+ mtctl %r8,%ipsw
rfir
nop
@@ -1521,7 +1516,7 @@ nadtlb_probe_check:
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
itlb_miss_20w:
/*
@@ -1588,7 +1583,7 @@ itlb_miss_20:
#endif
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
dbit_trap_20w:
space_adjust spc,va,t0
@@ -1797,7 +1792,7 @@ sys_fork_wrapper:
STREG %r2,-RP_OFFSET(%r30)
ldo FRAME_SIZE(%r30),%r30
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1847,7 +1842,7 @@ sys_clone_wrapper:
STREG %r2,-RP_OFFSET(%r30)
ldo FRAME_SIZE(%r30),%r30
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1869,7 +1864,7 @@ sys_vfork_wrapper:
STREG %r2,-RP_OFFSET(%r30)
ldo FRAME_SIZE(%r30),%r30
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1897,10 +1892,10 @@ sys_vfork_wrapper:
STREG %r2,-RP_OFFSET(%r30)
ldo FRAME_SIZE(%r30),%r30
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
- bl \execve,%r2
+ BL \execve,%r2
copy %r1,%arg0
ldo -FRAME_SIZE(%r30),%r30
@@ -1923,7 +1918,7 @@ error_\execve:
sys_execve_wrapper:
execve_wrapper sys_execve
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
.export sys32_execve_wrapper
.import sys32_execve
@@ -1937,7 +1932,7 @@ sys_rt_sigreturn_wrapper:
ldo TASK_REGS(%r26),%r26 /* get pt regs */
/* Don't save regs, we are going to restore them from sigcontext. */
STREG %r2, -RP_OFFSET(%r30)
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo FRAME_SIZE(%r30), %r30
BL sys_rt_sigreturn,%r2
ldo -16(%r30),%r29 /* Reference param save area */
@@ -1968,7 +1963,7 @@ sys_sigaltstack_wrapper:
ldo TASK_REGS(%r1),%r24 /* get pt regs */
LDREG TASK_PT_GR30(%r24),%r24
STREG %r2, -RP_OFFSET(%r30)
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo FRAME_SIZE(%r30), %r30
b,l do_sigaltstack,%r2
ldo -16(%r30),%r29 /* Reference param save area */
@@ -1982,7 +1977,7 @@ sys_sigaltstack_wrapper:
bv %r0(%r2)
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
.export sys32_sigaltstack_wrapper
sys32_sigaltstack_wrapper:
/* Get the user stack pointer */
@@ -2006,7 +2001,7 @@ sys_rt_sigsuspend_wrapper:
reg_save %r24
STREG %r2, -RP_OFFSET(%r30)
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo FRAME_SIZE(%r30), %r30
b,l sys_rt_sigsuspend,%r2
ldo -16(%r30),%r29 /* Reference param save area */
@@ -2079,7 +2074,7 @@ syscall_check_bh:
ldw TI_CPU-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 /* cpu # */
/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) bits */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
shld %r26, 6, %r20
#else
shlw %r26, 5, %r20
@@ -2087,9 +2082,6 @@ syscall_check_bh:
add %r19,%r20,%r19 /* now have &irq_stat[smp_processor_id()] */
#endif /* CONFIG_SMP */
- LDREG IRQSTAT_SIRQ_PEND(%r19),%r20 /* hardirq.h: unsigned long */
- cmpib,<>,n 0,%r20,syscall_do_softirq /* forward */
-
syscall_check_resched:
/* check for reschedule */
@@ -2144,7 +2136,7 @@ syscall_restore:
depi 3,31,2,%r31 /* ensure return to user mode. */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* decide whether to reset the wide mode bit
*
* For a syscall, the W bit is stored in the lowest bit
@@ -2227,20 +2219,10 @@ pt_regs_ok:
b intr_restore
nop
- .import do_softirq,code
-syscall_do_softirq:
- bl do_softirq,%r2
- nop
- /* NOTE: We enable I-bit incase we schedule later,
- * and we might be going back to userspace if we were
- * traced. */
- b syscall_check_resched
- ssm PSW_SM_I, %r0 /* do_softirq returns with I bit off */
-
.import schedule,code
syscall_do_resched:
BL schedule,%r2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#else
nop
@@ -2260,7 +2242,7 @@ syscall_do_signal:
ldi 1, %r24 /* unsigned long in_syscall */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
BL do_signal,%r2
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index f244fb200db..553f8fe0322 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -83,15 +83,15 @@ static unsigned long pdc_result2[32] __attribute__ ((aligned (8)));
int parisc_narrow_firmware = 1;
#endif
-/* on all currently-supported platforms, IODC I/O calls are always
- * 32-bit calls, and MEM_PDC calls are always the same width as the OS.
- * This means Cxxx boxes can't run wide kernels right now. -PB
+/* On most currently-supported platforms, IODC I/O calls are 32-bit calls
+ * and MEM_PDC calls are always the same width as the OS.
+ * Some PAT boxes may have 64-bit IODC I/O.
*
- * CONFIG_PDC_NARROW has been added to allow 64-bit kernels to run on
- * systems with 32-bit MEM_PDC calls. This will allow wide kernels to
- * run on Cxxx boxes now. -RB
- *
- * Note that some PAT boxes may have 64-bit IODC I/O...
+ * Ryan Bradetich added the now obsolete CONFIG_PDC_NARROW to allow
+ * 64-bit kernels to run on systems with 32-bit MEM_PDC calls.
+ * This allowed wide kernels to run on Cxxx boxes.
+ * We now detect 32-bit-only PDC and dynamically switch to 32-bit mode
+ * when running a 64-bit kernel on such boxes (e.g. C200 or C360).
*/
#ifdef __LP64__
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 28405edf844..0b47afc2069 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -12,7 +12,7 @@
* Initial Version 04-23-1999 by Helge Deller <deller@gmx.de>
*/
-#include <linux/autoconf.h> /* for CONFIG_SMP */
+#include <linux/config.h> /* for CONFIG_SMP */
#include <asm/asm-offsets.h>
#include <asm/psw.h>
@@ -36,10 +36,10 @@ boot_args:
.align 4
.import init_thread_union,data
.import fault_vector_20,code /* IVA parisc 2.0 32 bit */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.import fault_vector_11,code /* IVA parisc 1.1 32 bit */
.import $global$ /* forward declaration */
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
.export stext
.export _stext,data /* Kernel want it this way! */
_stext:
@@ -76,7 +76,7 @@ $bss_loop:
mtctl %r4,%cr24 /* Initialize kernel root pointer */
mtctl %r4,%cr25 /* Initialize user root pointer */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Set pmd in pgd */
load32 PA(pmd0),%r5
shrd %r5,PxD_VALUE_SHIFT,%r3
@@ -99,7 +99,7 @@ $bss_loop:
stw %r3,0(%r4)
ldo (ASM_PAGE_SIZE >> PxD_VALUE_SHIFT)(%r3),%r3
addib,> -1,%r1,1b
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo ASM_PMD_ENTRY_SIZE(%r4),%r4
#else
ldo ASM_PGD_ENTRY_SIZE(%r4),%r4
@@ -170,7 +170,7 @@ common_stext:
stw %r0,0x28(%r0) /* MEM_RENDEZ_HI */
#endif /*CONFIG_SMP*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
tophys_r1 %sp
/* Save the rfi target address */
@@ -224,8 +224,6 @@ stext_pdc_ret:
mtctl %r0,%cr12
mtctl %r0,%cr13
- /* Prepare to RFI! Man all the cannons! */
-
/* Initialize the global data pointer */
loadgp
@@ -235,7 +233,7 @@ stext_pdc_ret:
* following short sequence of instructions can determine this
* (without being illegal on a PA1.1 machine).
*/
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
ldi 32,%r10
mtctl %r10,%cr11
.level 2.0
@@ -248,52 +246,22 @@ stext_pdc_ret:
$is_pa20:
.level LEVEL /* restore 1.1 || 2.0w */
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
load32 PA(fault_vector_20),%r10
$install_iva:
mtctl %r10,%cr14
-#ifdef __LP64__
- b aligned_rfi
+ b aligned_rfi /* Prepare to RFI! Man all the cannons! */
nop
- .align 256
+ .align 128
aligned_rfi:
- ssm 0,0
- nop /* 1 */
- nop /* 2 */
- nop /* 3 */
- nop /* 4 */
- nop /* 5 */
- nop /* 6 */
- nop /* 7 */
- nop /* 8 */
-#endif
+ pcxt_ssm_bug
-#ifdef __LP64__ /* move to psw.h? */
-#define PSW_BITS PSW_Q+PSW_I+PSW_D+PSW_P+PSW_R
-#else
-#define PSW_BITS PSW_SM_Q
-#endif
+ rsm PSW_SM_QUIET,%r0 /* off troublesome PSW bits */
+ /* Don't need NOPs, have 8 compliant insn before rfi */
-$rfi:
- /* turn off troublesome PSW bits */
- rsm PSW_BITS,%r0
-
- /* kernel PSW:
- * - no interruptions except HPMC and TOC (which are handled by PDC)
- * - Q bit set (IODC / PDC interruptions)
- * - big-endian
- * - virtually mapped
- */
- load32 KERNEL_PSW,%r10
- mtctl %r10,%ipsw
-
- /* Set the space pointers for the post-RFI world
- ** Clear the two-level IIA Space Queue, effectively setting
- ** Kernel space.
- */
mtctl %r0,%cr17 /* Clear IIASQ tail */
mtctl %r0,%cr17 /* Clear IIASQ head */
@@ -301,8 +269,11 @@ $rfi:
mtctl %r11,%cr18 /* IIAOQ head */
ldo 4(%r11),%r11
mtctl %r11,%cr18 /* IIAOQ tail */
+
+ load32 KERNEL_PSW,%r10
+ mtctl %r10,%ipsw
- /* Jump to hyperspace */
+ /* Jump through hyperspace to Virt Mode */
rfi
nop
@@ -313,7 +284,7 @@ $rfi:
.import smp_init_current_idle_task,data
.import smp_callin,code
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
smp_callin_rtn:
.proc
.callinfo
@@ -321,7 +292,7 @@ smp_callin_rtn:
nop
nop
.procend
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
/***************************************************************************
* smp_slave_stext is executed by all non-monarch Processors when the Monarch
@@ -356,7 +327,7 @@ smp_slave_stext:
mtctl %r4,%cr24 /* Initialize kernel root pointer */
mtctl %r4,%cr25 /* Initialize user root pointer */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Setup PDCE_PROC entry */
copy %arg0,%r3
#else
@@ -373,7 +344,7 @@ smp_slave_stext:
.procend
#endif /* CONFIG_SMP */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.data
.align 4
@@ -383,4 +354,4 @@ smp_slave_stext:
.size $global$,4
$global$:
.word 0
-#endif /*!LP64*/
+#endif /*!CONFIG_64BIT*/
diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c
index 1d3824b670d..0a331104ad5 100644
--- a/arch/parisc/kernel/ioctl32.c
+++ b/arch/parisc/kernel/ioctl32.c
@@ -104,12 +104,9 @@ static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
}
out:
- if (kversion.name)
- kfree(kversion.name);
- if (kversion.date)
- kfree(kversion.date);
- if (kversion.desc)
- kfree(kversion.desc);
+ kfree(kversion.name);
+ kfree(kversion.date);
+ kfree(kversion.desc);
return ret;
}
@@ -166,9 +163,7 @@ static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long a
ret = -EFAULT;
}
- if (karg.unique != NULL)
- kfree(karg.unique);
-
+ kfree(karg.unique);
return ret;
}
@@ -265,7 +260,6 @@ static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
}
kfree(karg.list);
-
return ret;
}
@@ -305,7 +299,6 @@ static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
out:
kfree(karg.list);
-
return ret;
}
@@ -494,15 +487,10 @@ static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
}
out:
- if (karg.send_indices)
- kfree(karg.send_indices);
- if (karg.send_sizes)
- kfree(karg.send_sizes);
- if (karg.request_indices)
- kfree(karg.request_indices);
- if (karg.request_sizes)
- kfree(karg.request_sizes);
-
+ kfree(karg.send_indices);
+ kfree(karg.send_sizes);
+ kfree(karg.request_indices);
+ kfree(karg.request_sizes);
return ret;
}
@@ -555,9 +543,7 @@ static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
ret = -EFAULT;
}
- if (karg.contexts)
- kfree(karg.contexts);
-
+ kfree(karg.contexts);
return ret;
}
@@ -575,11 +561,6 @@ IOCTL_TABLE_START
#define DECLARES
#include "compat_ioctl.c"
-/* Might be moved to compat_ioctl.h with some ifdefs... */
-COMPATIBLE_IOCTL(TIOCSTART)
-COMPATIBLE_IOCTL(TIOCSTOP)
-COMPATIBLE_IOCTL(TIOCSLTC)
-
/* PA-specific ioctls */
COMPATIBLE_IOCTL(PA_PERF_ON)
COMPATIBLE_IOCTL(PA_PERF_OFF)
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 77e03bc0f93..9534ee17b9b 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -26,7 +26,7 @@
* can be used.
*/
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#define ADDIB addib,*
#define CMPB cmpb,*
#define ANDCM andcm,*
@@ -40,8 +40,10 @@
.level 2.0
#endif
-#include <asm/assembly.h>
+#include <linux/config.h>
+
#include <asm/psw.h>
+#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
@@ -62,32 +64,23 @@ flush_tlb_all_local:
* to happen in real mode with all interruptions disabled.
*/
- /*
- * Once again, we do the rfi dance ... some day we need examine
- * all of our uses of this type of code and see what can be
- * consolidated.
- */
-
- rsm PSW_SM_I, %r19 /* relied upon translation! PA 2.0 Arch. F-5 */
+ /* pcxt_ssm_bug - relied upon translation! PA 2.0 Arch. F-4 and F-5 */
+ rsm PSW_SM_I, %r19 /* save I-bit state */
+ load32 PA(1f), %r1
nop
nop
nop
nop
nop
- nop
- nop
-
- rsm PSW_SM_Q, %r0 /* Turn off Q bit to load iia queue */
- ldil L%REAL_MODE_PSW, %r1
- ldo R%REAL_MODE_PSW(%r1), %r1
- mtctl %r1, %cr22
+
+ rsm PSW_SM_Q, %r0 /* prep to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- ldil L%PA(1f), %r1
- ldo R%PA(1f)(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
+ load32 REAL_MODE_PSW, %r1
+ mtctl %r1, %ipsw
rfi
nop
@@ -178,29 +171,36 @@ fdtonemiddle: /* Loop if LOOP = 1 */
ADDIB> -1, %r22, fdtoneloop /* Outer loop count decr */
add %r21, %r20, %r20 /* increment space */
-fdtdone:
- /* Switch back to virtual mode */
+fdtdone:
+ /*
+ * Switch back to virtual mode
+ */
+ /* pcxt_ssm_bug */
+ rsm PSW_SM_I, %r0
+ load32 2f, %r1
+ nop
+ nop
+ nop
+ nop
+ nop
- rsm PSW_SM_Q, %r0 /* clear Q bit to load iia queue */
- ldil L%KERNEL_PSW, %r1
- ldo R%KERNEL_PSW(%r1), %r1
- or %r1, %r19, %r1 /* Set I bit if set on entry */
- mtctl %r1, %cr22
+ rsm PSW_SM_Q, %r0 /* prep to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- ldil L%(2f), %r1
- ldo R%(2f)(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
+ load32 KERNEL_PSW, %r1
+ or %r1, %r19, %r1 /* I-bit to state on entry */
+ mtctl %r1, %ipsw /* restore I-bit (entire PSW) */
rfi
nop
2: bv %r0(%r2)
nop
- .exit
+ .exit
.procend
.export flush_instruction_cache_local,code
@@ -227,7 +227,7 @@ flush_instruction_cache_local:
fimanyloop: /* Loop if LOOP >= 2 */
ADDIB> -1, %r31, fimanyloop /* Adjusted inner loop decr */
- fice 0(%sr1, %arg0)
+ fice %r0(%sr1, %arg0)
fice,m %arg1(%sr1, %arg0) /* Last fice and addr adjust */
movb,tr %arg3, %r31, fimanyloop /* Re-init inner loop count */
ADDIB<=,n -1, %arg2, fisync /* Outer loop decr */
@@ -238,7 +238,7 @@ fioneloop: /* Loop if LOOP = 1 */
fisync:
sync
- mtsm %r22
+ mtsm %r22 /* restore I-bit */
bv %r0(%r2)
nop
.exit
@@ -269,7 +269,7 @@ flush_data_cache_local:
fdmanyloop: /* Loop if LOOP >= 2 */
ADDIB> -1, %r31, fdmanyloop /* Adjusted inner loop decr */
- fdce 0(%sr1, %arg0)
+ fdce %r0(%sr1, %arg0)
fdce,m %arg1(%sr1, %arg0) /* Last fdce and addr adjust */
movb,tr %arg3, %r31, fdmanyloop /* Re-init inner loop count */
ADDIB<=,n -1, %arg2, fdsync /* Outer loop decr */
@@ -281,7 +281,7 @@ fdoneloop: /* Loop if LOOP = 1 */
fdsync:
syncdma
sync
- mtsm %r22
+ mtsm %r22 /* restore I-bit */
bv %r0(%r2)
nop
.exit
@@ -296,7 +296,7 @@ copy_user_page_asm:
.callinfo NO_CALLS
.entry
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* PA8x00 CPUs can consume 2 loads or 1 store per cycle.
* Unroll the loop by hand and arrange insn appropriately.
* GCC probably can do this just as well.
@@ -351,7 +351,11 @@ copy_user_page_asm:
std %r22, 120(%r26)
ldo 128(%r26), %r26
- ADDIB> -1, %r1, 1b /* bundle 10 */
+ /* conditional branches nullify on forward taken branch, and on
+ * non-taken backward branch. Note that .+4 is a backwards branch.
+ * The ldd should only get executed if the branch is taken.
+ */
+ ADDIB>,n -1, %r1, 1b /* bundle 10 */
ldd 0(%r25), %r19 /* start next loads */
#else
@@ -363,10 +367,10 @@ copy_user_page_asm:
* the full 64 bit register values on interrupt, we can't
* use ldd/std on a 32 bit kernel.
*/
+ ldw 0(%r25), %r19
ldi 64, %r1 /* PAGE_SIZE/64 == 64 */
1:
- ldw 0(%r25), %r19
ldw 4(%r25), %r20
ldw 8(%r25), %r21
ldw 12(%r25), %r22
@@ -396,11 +400,12 @@ copy_user_page_asm:
ldw 60(%r25), %r22
stw %r19, 48(%r26)
stw %r20, 52(%r26)
+ ldo 64(%r25), %r25
stw %r21, 56(%r26)
stw %r22, 60(%r26)
ldo 64(%r26), %r26
- ADDIB> -1, %r1, 1b
- ldo 64(%r25), %r25
+ ADDIB>,n -1, %r1, 1b
+ ldw 0(%r25), %r19
#endif
bv %r0(%r2)
nop
@@ -456,7 +461,7 @@ copy_user_page_asm:
sub %r25, %r1, %r23 /* move physical addr into non shadowed reg */
ldil L%(TMPALIAS_MAP_START), %r28
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u %r26,56,32, %r26 /* convert phys addr to tlb insert format */
extrd,u %r23,56,32, %r23 /* convert phys addr to tlb insert format */
depd %r24,63,22, %r28 /* Form aliased virtual address 'to' */
@@ -543,7 +548,7 @@ __clear_user_page_asm:
tophys_r1 %r26
ldil L%(TMPALIAS_MAP_START), %r28
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
#endif
@@ -560,7 +565,7 @@ __clear_user_page_asm:
pdtlb 0(%r28)
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldi 32, %r1 /* PAGE_SIZE/128 == 32 */
/* PREFETCH (Write) has not (yet) been proven to help here */
@@ -585,7 +590,7 @@ __clear_user_page_asm:
ADDIB> -1, %r1, 1b
ldo 128(%r28), %r28
-#else /* ! __LP64 */
+#else /* ! CONFIG_64BIT */
ldi 64, %r1 /* PAGE_SIZE/64 == 64 */
@@ -608,7 +613,7 @@ __clear_user_page_asm:
stw %r0, 60(%r28)
ADDIB> -1, %r1, 1b
ldo 64(%r28), %r28
-#endif /* __LP64 */
+#endif /* CONFIG_64BIT */
bv %r0(%r2)
nop
@@ -626,7 +631,7 @@ flush_kernel_dcache_page:
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r25
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r25
@@ -670,7 +675,7 @@ flush_user_dcache_page:
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1,63-PAGE_SHIFT,1, %r25
#else
depwi,z 1,31-PAGE_SHIFT,1, %r25
@@ -714,7 +719,7 @@ flush_user_icache_page:
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r25
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r25
@@ -759,7 +764,7 @@ purge_kernel_dcache_page:
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r25
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r25
@@ -807,7 +812,7 @@ flush_alias_page:
tophys_r1 %r26
ldil L%(TMPALIAS_MAP_START), %r28
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
depdi 0, 63,12, %r28 /* Clear any offset bits */
@@ -824,7 +829,7 @@ flush_alias_page:
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r29
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r29
@@ -935,7 +940,7 @@ flush_kernel_icache_page:
ldil L%icache_stride, %r1
ldw R%icache_stride(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r25
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r25
@@ -944,23 +949,23 @@ flush_kernel_icache_page:
sub %r25, %r23, %r25
-1: fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
- fic,m %r23(%r26)
+1: fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
+ fic,m %r23(%sr4, %r26)
CMPB<< %r26, %r25, 1b
- fic,m %r23(%r26)
+ fic,m %r23(%sr4, %r26)
sync
bv %r0(%r2)
@@ -982,17 +987,18 @@ flush_kernel_icache_range_asm:
ANDCM %r26, %r21, %r26
1: CMPB<<,n %r26, %r25, 1b
- fic,m %r23(%r26)
+ fic,m %r23(%sr4, %r26)
sync
bv %r0(%r2)
nop
.exit
-
.procend
- .align 128
-
+ /* align should cover use of rfi in disable_sr_hashing_asm and
+ * srdis_done.
+ */
+ .align 256
.export disable_sr_hashing_asm,code
disable_sr_hashing_asm:
@@ -1000,28 +1006,26 @@ disable_sr_hashing_asm:
.callinfo NO_CALLS
.entry
- /* Switch to real mode */
-
- ssm 0, %r0 /* relied upon translation! */
- nop
- nop
+ /*
+ * Switch to real mode
+ */
+ /* pcxt_ssm_bug */
+ rsm PSW_SM_I, %r0
+ load32 PA(1f), %r1
nop
nop
nop
nop
nop
-
- rsm (PSW_SM_Q|PSW_SM_I), %r0 /* disable Q&I to load the iia queue */
- ldil L%REAL_MODE_PSW, %r1
- ldo R%REAL_MODE_PSW(%r1), %r1
- mtctl %r1, %cr22
+
+ rsm PSW_SM_Q, %r0 /* prep to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- ldil L%PA(1f), %r1
- ldo R%PA(1f)(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
+ load32 REAL_MODE_PSW, %r1
+ mtctl %r1, %ipsw
rfi
nop
@@ -1053,27 +1057,31 @@ srdis_pcxl:
srdis_pa20:
- /* Disable Space Register Hashing for PCXU,PCXU+,PCXW,PCXW+ */
+ /* Disable Space Register Hashing for PCXU,PCXU+,PCXW,PCXW+,PCXW2 */
.word 0x144008bc /* mfdiag %dr2, %r28 */
depdi 0, 54,1, %r28 /* clear DIAG_SPHASH_ENAB (bit 54) */
.word 0x145c1840 /* mtdiag %r28, %dr2 */
-srdis_done:
+srdis_done:
/* Switch back to virtual mode */
+ rsm PSW_SM_I, %r0 /* prep to load iia queue */
+ load32 2f, %r1
+ nop
+ nop
+ nop
+ nop
+ nop
- rsm PSW_SM_Q, %r0 /* clear Q bit to load iia queue */
- ldil L%KERNEL_PSW, %r1
- ldo R%KERNEL_PSW(%r1), %r1
- mtctl %r1, %cr22
+ rsm PSW_SM_Q, %r0 /* prep to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- ldil L%(2f), %r1
- ldo R%(2f)(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
+ load32 KERNEL_PSW, %r1
+ mtctl %r1, %ipsw
rfi
nop
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 368cc095c99..f94a02ef3d9 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -31,7 +31,7 @@
#include <asm/page.h> /* get_order */
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
-
+#include <asm/tlbflush.h> /* for purge_tlb_*() macros */
static struct proc_dir_entry * proc_gsc_root = NULL;
static int pcxl_proc_info(char *buffer, char **start, off_t offset, int length);
@@ -114,7 +114,7 @@ static inline int map_pmd_uncached(pmd_t * pmd, unsigned long vaddr,
if (end > PGDIR_SIZE)
end = PGDIR_SIZE;
do {
- pte_t * pte = pte_alloc_kernel(&init_mm, pmd, vaddr);
+ pte_t * pte = pte_alloc_kernel(pmd, vaddr);
if (!pte)
return -ENOMEM;
if (map_pte_uncached(pte, orig_vaddr, end - vaddr, paddr_ptr))
@@ -333,23 +333,33 @@ pcxl_free_range(unsigned long vaddr, size_t size)
static int __init
pcxl_dma_init(void)
{
- if (pcxl_dma_start == 0)
- return 0;
+ if (pcxl_dma_start == 0)
+ return 0;
- spin_lock_init(&pcxl_res_lock);
- pcxl_res_size = PCXL_DMA_MAP_SIZE >> (PAGE_SHIFT + 3);
- pcxl_res_hint = 0;
- pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL,
+ spin_lock_init(&pcxl_res_lock);
+ pcxl_res_size = PCXL_DMA_MAP_SIZE >> (PAGE_SHIFT + 3);
+ pcxl_res_hint = 0;
+ pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL,
get_order(pcxl_res_size));
- memset(pcxl_res_map, 0, pcxl_res_size);
- proc_gsc_root = proc_mkdir("gsc", 0);
- create_proc_info_entry("dino", 0, proc_gsc_root, pcxl_proc_info);
- return 0;
+ memset(pcxl_res_map, 0, pcxl_res_size);
+ proc_gsc_root = proc_mkdir("gsc", 0);
+ if (!proc_gsc_root)
+ printk(KERN_WARNING
+ "pcxl_dma_init: Unable to create gsc /proc dir entry\n");
+ else {
+ struct proc_dir_entry* ent;
+ ent = create_proc_info_entry("pcxl_dma", 0,
+ proc_gsc_root, pcxl_proc_info);
+ if (!ent)
+ printk(KERN_WARNING
+ "pci-dma.c: Unable to create pcxl_dma /proc entry.\n");
+ }
+ return 0;
}
__initcall(pcxl_dma_init);
-static void * pa11_dma_alloc_consistent (struct device *dev, size_t size, dma_addr_t *dma_handle, int flag)
+static void * pa11_dma_alloc_consistent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag)
{
unsigned long vaddr;
unsigned long paddr;
@@ -502,13 +512,13 @@ struct hppa_dma_ops pcxl_dma_ops = {
};
static void *fail_alloc_consistent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, int flag)
+ dma_addr_t *dma_handle, gfp_t flag)
{
return NULL;
}
static void *pa11_dma_alloc_noncoherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, int flag)
+ dma_addr_t *dma_handle, gfp_t flag)
{
void *addr = NULL;
@@ -545,16 +555,16 @@ struct hppa_dma_ops pcx_dma_ops = {
static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
{
+#if 0
u_long i = 0;
unsigned long *res_ptr = (u_long *)pcxl_res_map;
- unsigned long total_pages = pcxl_res_size << 3; /* 8 bits per byte */
+#endif
+ unsigned long total_pages = pcxl_res_size << 3; /* 8 bits per byte */
- sprintf(buf, "\nDMA Mapping Area size : %d bytes (%d pages)\n",
- PCXL_DMA_MAP_SIZE,
- (pcxl_res_size << 3) ); /* 1 bit per page */
+ sprintf(buf, "\nDMA Mapping Area size : %d bytes (%ld pages)\n",
+ PCXL_DMA_MAP_SIZE, total_pages);
- sprintf(buf, "%sResource bitmap : %d bytes (%d pages)\n",
- buf, pcxl_res_size, pcxl_res_size << 3); /* 8 bits per byte */
+ sprintf(buf, "%sResource bitmap : %d bytes\n", buf, pcxl_res_size);
strcat(buf, " total: free: used: % used:\n");
sprintf(buf, "%sblocks %8d %8ld %8ld %8ld%%\n", buf, pcxl_res_size,
@@ -564,7 +574,8 @@ static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
sprintf(buf, "%spages %8ld %8ld %8ld %8ld%%\n", buf, total_pages,
total_pages - pcxl_used_pages, pcxl_used_pages,
(pcxl_used_pages * 100 / total_pages));
-
+
+#if 0
strcat(buf, "\nResource bitmap:");
for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
@@ -572,6 +583,7 @@ static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
strcat(buf,"\n ");
sprintf(buf, "%s %08lx", buf, *res_ptr);
}
+#endif
strcat(buf, "\n");
return strlen(buf);
}
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index e6a891a0cad..88cba49c530 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -202,7 +202,8 @@ static void
pcibios_link_hba_resources( struct resource *hba_res, struct resource *r)
{
if (!r->parent) {
- printk(KERN_EMERG "PCI: Tell willy he's wrong\n");
+ printk(KERN_EMERG "PCI: resource not parented! [%lx-%lx]\n",
+ r->start, r->end);
r->parent = hba_res;
/* reverse link is harder *sigh* */
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 01f676d1673..215d78c87bc 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -41,7 +41,7 @@
/* Define EARLY_BOOTUP_DEBUG to debug kernel related boot problems.
* On production kernels EARLY_BOOTUP_DEBUG should be undefined. */
-#undef EARLY_BOOTUP_DEBUG
+#define EARLY_BOOTUP_DEBUG
#include <linux/config.h>
@@ -49,14 +49,8 @@
#include <linux/console.h>
#include <linux/string.h>
#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
#include <linux/major.h>
#include <linux/tty.h>
-#include <asm/page.h>
-#include <asm/types.h>
-#include <asm/system.h>
#include <asm/pdc.h> /* for iodc_call() proto and friends */
@@ -96,7 +90,6 @@ static int pdc_console_setup(struct console *co, char *options)
}
#if defined(CONFIG_PDC_CONSOLE)
-#define PDC_CONSOLE_DEVICE pdc_console_device
static struct tty_driver * pdc_console_device (struct console *c, int *index)
{
extern struct tty_driver console_driver;
@@ -104,22 +97,19 @@ static struct tty_driver * pdc_console_device (struct console *c, int *index)
return &console_driver;
}
#else
-#define PDC_CONSOLE_DEVICE NULL
+#define pdc_console_device NULL
#endif
static struct console pdc_cons = {
.name = "ttyB",
.write = pdc_console_write,
- .device = PDC_CONSOLE_DEVICE,
+ .device = pdc_console_device,
.setup = pdc_console_setup,
- .flags = CON_BOOT|CON_PRINTBUFFER|CON_ENABLED,
+ .flags = CON_BOOT | CON_PRINTBUFFER | CON_ENABLED,
.index = -1,
};
static int pdc_console_initialized;
-extern unsigned long con_start; /* kernel/printk.c */
-extern unsigned long log_end; /* kernel/printk.c */
-
static void pdc_console_init_force(void)
{
@@ -146,27 +136,11 @@ void __init pdc_console_init(void)
}
-/* Unregister the pdc console with the printk console layer */
-void pdc_console_die(void)
-{
- if (!pdc_console_initialized)
- return;
- --pdc_console_initialized;
-
- printk(KERN_INFO "Switching from PDC console\n");
-
- /* Don't repeat what we've already printed */
- con_start = log_end;
-
- unregister_console(&pdc_cons);
-}
-
-
/*
* Used for emergencies. Currently only used if an HPMC occurs. If an
* HPMC occurs, it is possible that the current console may not be
- * properly initialed after the PDC IO reset. This routine unregisters all
- * of the current consoles, reinitializes the pdc console and
+ * properly initialised after the PDC IO reset. This routine unregisters
+ * all of the current consoles, reinitializes the pdc console and
* registers it.
*/
@@ -177,13 +151,13 @@ void pdc_console_restart(void)
if (pdc_console_initialized)
return;
+ /* If we've already seen the output, don't bother to print it again */
+ if (console_drivers != NULL)
+ pdc_cons.flags &= ~CON_PRINTBUFFER;
+
while ((console = console_drivers) != NULL)
unregister_console(console_drivers);
- /* Don't repeat what we've already printed */
- con_start = log_end;
-
/* force registering the pdc console */
pdc_console_init_force();
}
-
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index b3ad0a505b8..44670d6e06f 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -746,7 +746,8 @@ static int perf_write_image(uint64_t *memaddr)
uint64_t *bptr;
uint32_t dwords;
uint32_t *intrigue_rdr;
- uint64_t *intrigue_bitmask, tmp64, proc_hpa;
+ uint64_t *intrigue_bitmask, tmp64;
+ void __iomem *runway;
struct rdr_tbl_ent *tentry;
int i;
@@ -798,15 +799,16 @@ static int perf_write_image(uint64_t *memaddr)
return -1;
}
- proc_hpa = cpu_device->hpa;
+ runway = ioremap(cpu_device->hpa.start, 4096);
/* Merge intrigue bits into Runway STATUS 0 */
- tmp64 = __raw_readq(proc_hpa + RUNWAY_STATUS) & 0xffecfffffffffffful;
- __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), proc_hpa + RUNWAY_STATUS);
+ tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful;
+ __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul),
+ runway + RUNWAY_STATUS);
/* Write RUNWAY DEBUG registers */
for (i = 0; i < 8; i++) {
- __raw_writeq(*memaddr++, proc_hpa + RUNWAY_DEBUG + i);
+ __raw_writeq(*memaddr++, runway + RUNWAY_DEBUG);
}
return 0;
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 46b75938511..7fdca87ef64 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -9,7 +9,7 @@
* Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org>
* Copyright (C) 2000 Philipp Rumpf <prumpf with tux.org>
* Copyright (C) 2000 David Kennedy <dkennedy with linuxcare.com>
- * Copyright (C) 2000 Richard Hirst <rhirst with parisc-lixux.org>
+ * Copyright (C) 2000 Richard Hirst <rhirst with parisc-linux.org>
* Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
* Copyright (C) 2001 Alan Modra <amodra at parisc-linux.org>
* Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org>
@@ -245,7 +245,17 @@ int
sys_clone(unsigned long clone_flags, unsigned long usp,
struct pt_regs *regs)
{
- int __user *user_tid = (int __user *)regs->gr[26];
+ /* Arugments from userspace are:
+ r26 = Clone flags.
+ r25 = Child stack.
+ r24 = parent_tidptr.
+ r23 = Is the TLS storage descriptor
+ r22 = child_tidptr
+
+ However, these last 3 args are only examined
+ if the proper flags are set. */
+ int __user *child_tidptr;
+ int __user *parent_tidptr;
/* usp must be word aligned. This also prevents users from
* passing in the value 1 (which is the signal for a special
@@ -253,10 +263,20 @@ sys_clone(unsigned long clone_flags, unsigned long usp,
usp = ALIGN(usp, 4);
/* A zero value for usp means use the current stack */
- if(usp == 0)
- usp = regs->gr[30];
+ if (usp == 0)
+ usp = regs->gr[30];
- return do_fork(clone_flags, usp, regs, 0, user_tid, NULL);
+ if (clone_flags & CLONE_PARENT_SETTID)
+ parent_tidptr = (int __user *)regs->gr[24];
+ else
+ parent_tidptr = NULL;
+
+ if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID))
+ child_tidptr = (int __user *)regs->gr[22];
+ else
+ child_tidptr = NULL;
+
+ return do_fork(clone_flags, usp, regs, 0, parent_tidptr, child_tidptr);
}
int
@@ -332,6 +352,10 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
} else {
cregs->kpc = (unsigned long) &child_return;
}
+ /* Setup thread TLS area from the 4th parameter in clone */
+ if (clone_flags & CLONE_SETTLS)
+ cregs->cr27 = pregs->gr[23];
+
}
return 0;
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 13b721cb9f5..4f5bbcf1f5a 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -92,7 +92,7 @@ static int __init processor_probe(struct parisc_device *dev)
* May get overwritten by PAT code.
*/
cpuid = boot_cpu_data.cpu_count;
- txn_addr = dev->hpa; /* for legacy PDC */
+ txn_addr = dev->hpa.start; /* for legacy PDC */
#ifdef __LP64__
if (is_pdc_pat()) {
@@ -122,7 +122,7 @@ static int __init processor_probe(struct parisc_device *dev)
* boot time (ie shutdown a CPU from an OS perspective).
*/
/* get the cpu number */
- status = pdc_pat_cpu_get_number(&cpu_info, dev->hpa);
+ status = pdc_pat_cpu_get_number(&cpu_info, dev->hpa.start);
BUG_ON(PDC_OK != status);
@@ -130,7 +130,7 @@ static int __init processor_probe(struct parisc_device *dev)
printk(KERN_WARNING "IGNORING CPU at 0x%x,"
" cpu_slot_id > NR_CPUS"
" (%ld > %d)\n",
- dev->hpa, cpu_info.cpu_num, NR_CPUS);
+ dev->hpa.start, cpu_info.cpu_num, NR_CPUS);
/* Ignore CPU since it will only crash */
boot_cpu_data.cpu_count--;
return 1;
@@ -149,7 +149,7 @@ static int __init processor_probe(struct parisc_device *dev)
p->loops_per_jiffy = loops_per_jiffy;
p->dev = dev; /* Save IODC data in case we need it */
- p->hpa = dev->hpa; /* save CPU hpa */
+ p->hpa = dev->hpa.start; /* save CPU hpa */
p->cpuid = cpuid; /* save CPU id */
p->txn_addr = txn_addr; /* save CPU IRQ address */
#ifdef CONFIG_SMP
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index f3428e5e86f..18130c3748f 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -78,7 +78,7 @@ void ptrace_disable(struct task_struct *child)
pa_psw(child)->l = 0;
}
-long sys_ptrace(long request, pid_t pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
{
struct task_struct *child;
long ret;
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 8dd5defb731..8c2859cca77 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -7,8 +7,10 @@
* Copyright (C) 2000 Hewlett Packard (Paul Bame bame@puffin.external.hp.com)
*
*/
-#include <asm/assembly.h>
+#include <linux/config.h>
+
#include <asm/psw.h>
+#include <asm/assembly.h>
.section .bss
.export real_stack
@@ -20,7 +22,7 @@ real32_stack:
real64_stack:
.block 8192
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
# define REG_SZ 8
#else
# define REG_SZ 4
@@ -50,7 +52,7 @@ save_cr_end:
real32_call_asm:
STREG %rp, -RP_OFFSET(%sp) /* save RP */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
callee_save
ldo 2*REG_SZ(%sp), %sp /* room for a couple more saves */
STREG %r27, -1*REG_SZ(%sp)
@@ -77,7 +79,7 @@ real32_call_asm:
b,l save_control_regs,%r2 /* modifies r1, r2, r28 */
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
rsm PSW_SM_W, %r0 /* go narrow */
#endif
@@ -85,7 +87,7 @@ real32_call_asm:
bv 0(%r31)
nop
ric_ret:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ssm PSW_SM_W, %r0 /* go wide */
#endif
/* restore CRs before going virtual in case we page fault */
@@ -97,7 +99,7 @@ ric_ret:
tovirt_r1 %sp
LDREG -REG_SZ(%sp), %sp /* restore SP */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
LDREG -1*REG_SZ(%sp), %r27
LDREG -2*REG_SZ(%sp), %r29
ldo -2*REG_SZ(%sp), %sp
@@ -143,24 +145,21 @@ restore_control_regs:
/* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for
* more general-purpose use by the several places which need RFIs
*/
- .align 128
.text
+ .align 128
rfi_virt2real:
/* switch to real mode... */
- ssm 0,0 /* See "relied upon translation" */
- nop /* PA 2.0 Arch. F-5 */
- nop
- nop
+ rsm PSW_SM_I,%r0
+ load32 PA(rfi_v2r_1), %r1
nop
nop
nop
nop
nop
- rsm (PSW_SM_Q|PSW_SM_I),%r0 /* disable Q & I bits to load iia queue */
+ rsm PSW_SM_Q,%r0 /* disable Q & I bits to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- load32 PA(rfi_v2r_1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
@@ -184,10 +183,8 @@ rfi_v2r_1:
.text
.align 128
rfi_real2virt:
- ssm 0,0 /* See "relied upon translation" */
- nop /* PA 2.0 Arch. F-5 */
- nop
- nop
+ rsm PSW_SM_I,%r0
+ load32 (rfi_r2v_1), %r1
nop
nop
nop
@@ -197,7 +194,6 @@ rfi_real2virt:
rsm PSW_SM_Q,%r0 /* disable Q bit to load iia queue */
mtctl %r0, %cr17 /* Clear IIASQ tail */
mtctl %r0, %cr17 /* Clear IIASQ head */
- load32 (rfi_r2v_1), %r1
mtctl %r1, %cr18 /* IIAOQ head */
ldo 4(%r1), %r1
mtctl %r1, %cr18 /* IIAOQ tail */
@@ -218,7 +214,7 @@ rfi_r2v_1:
bv 0(%r2)
nop
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/************************ 64-bit real-mode calls ***********************/
/* This is only usable in wide kernels right now and will probably stay so */
@@ -296,7 +292,7 @@ pc_in_user_space:
** comparing function pointers.
*/
__canonicalize_funcptr_for_compare:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
bve (%r2)
#else
bv %r0(%r2)
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 0224651fd8f..82c24e62ab6 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -490,15 +490,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
give_sigsegv:
DBG(1,"setup_rt_frame: sending SIGSEGV\n");
- if (sig == SIGSEGV)
- ka->sa.sa_handler = SIG_DFL;
- si.si_signo = SIGSEGV;
- si.si_errno = 0;
- si.si_code = SI_KERNEL;
- si.si_pid = current->pid;
- si.si_uid = current->uid;
- si.si_addr = frame;
- force_sig_info(SIGSEGV, &si, current);
+ force_sigsegv(sig, current);
return 0;
}
@@ -633,10 +625,14 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall)
put_user(0xe0008200, &usp[3]);
put_user(0x34140000, &usp[4]);
- /* Stack is 64-byte aligned, and we only
- * need to flush 1 cache line */
- asm("fdc 0(%%sr3, %0)\n"
- "fic 0(%%sr3, %0)\n"
+ /* Stack is 64-byte aligned, and we only need
+ * to flush 1 cache line.
+ * Flushing one cacheline is cheap.
+ * "sync" on bigger (> 4 way) boxes is not.
+ */
+ asm("fdc %%r0(%%sr3, %0)\n"
+ "sync\n"
+ "fic %%r0(%%sr3, %0)\n"
"sync\n"
: : "r"(regs->gr[30]));
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index bcc7e83f514..5db3be4e270 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -18,7 +18,7 @@
*/
#undef ENTRY_SYS_CPUS /* syscall support for iCOD-like functionality */
-#include <linux/autoconf.h>
+#include <linux/config.h>
#include <linux/types.h>
#include <linux/spinlock.h>
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 8c7a7185cd3..b29b76b42bb 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -6,6 +6,7 @@
* thanks to Philipp Rumpf, Mike Shaver and various others
* sorry about the wall, puffin..
*/
+#include <linux/config.h> /* for CONFIG_SMP */
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
@@ -22,15 +23,13 @@
*/
#define KILL_INSN break 0,0
-#include <linux/config.h> /* for CONFIG_SMP */
-
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
.level 2.0w
#else
.level 1.1
#endif
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
.macro fixup_branch,lbl
b \lbl
.endm
@@ -103,7 +102,7 @@ linux_gateway_entry:
mfsp %sr7,%r1 /* save user sr7 */
mtsp %r1,%sr3 /* and store it in sr3 */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* for now we can *always* set the W bit on entry to the syscall
* since we don't support wide userland processes. We could
* also save the current SM other than in r0 and restore it on
@@ -155,7 +154,7 @@ linux_gateway_entry:
STREG %r19, TASK_PT_GR19(%r1)
LDREGM -FRAME_SIZE(%r30), %r2 /* get users sp back */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u %r2,63,1,%r19 /* W hidden in bottom bit */
#if 0
xor %r19,%r2,%r2 /* clear bottom bit */
@@ -186,7 +185,7 @@ linux_gateway_entry:
loadgp
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
copy %r19,%r2 /* W bit back to r2 */
#else
@@ -205,7 +204,7 @@ linux_gateway_entry:
/* Note! We cannot use the syscall table that is mapped
nearby since the gateway page is mapped execute-only. */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldil L%sys_call_table, %r1
or,= %r2,%r2,%r2
addil L%(sys_call_table64-sys_call_table), %r1
@@ -321,7 +320,7 @@ tracesys_next:
LDREG TASK_PT_GR25(%r1), %r25
LDREG TASK_PT_GR24(%r1), %r24
LDREG TASK_PT_GR23(%r1), %r23
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
LDREG TASK_PT_GR22(%r1), %r22
LDREG TASK_PT_GR21(%r1), %r21
ldo -16(%r30),%r29 /* Reference param save area */
@@ -350,7 +349,7 @@ tracesys_next:
tracesys_exit:
ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */
LDREG TI_TASK(%r1), %r1
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
bl syscall_trace, %r2
@@ -371,7 +370,7 @@ tracesys_exit:
tracesys_sigexit:
ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */
LDREG 0(%r1), %r1
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
bl syscall_trace, %r2
@@ -404,7 +403,7 @@ lws_start:
gate .+8, %r0
depi 3, 31, 2, %r31 /* Ensure we return to userspace */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* FIXME: If we are a 64-bit kernel just
* turn this on unconditionally.
*/
@@ -440,7 +439,7 @@ lws_exit_nosys:
/* Fall through: Return to userspace */
lws_exit:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* decide whether to reset the wide mode bit
*
* For a syscall, the W bit is stored in the lowest bit
@@ -486,7 +485,7 @@ lws_exit:
/* ELF64 Process entry path */
lws_compare_and_swap64:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
b,n lws_compare_and_swap
#else
/* If we are not a 64-bit kernel, then we don't
@@ -497,7 +496,7 @@ lws_compare_and_swap64:
/* ELF32 Process entry path */
lws_compare_and_swap32:
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Clip all the input registers */
depdi 0, 31, 32, %r26
depdi 0, 31, 32, %r25
@@ -608,7 +607,7 @@ cas_action:
the other for the store. Either return -EFAULT.
Each of the entries must be relocated. */
.section __ex_table,"aw"
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Pad the address calculation */
.word 0,(2b - linux_gateway_page)
.word 0,(3b - linux_gateway_page)
@@ -619,7 +618,7 @@ cas_action:
.previous
.section __ex_table,"aw"
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* Pad the address calculation */
.word 0,(1b - linux_gateway_page)
.word 0,(3b - linux_gateway_page)
@@ -638,7 +637,7 @@ end_linux_gateway_page:
/* Relocate symbols assuming linux_gateway_page is mapped
to virtual address 0x0 */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
/* FIXME: The code will always be on the gateay page
and thus it will be on the first 4k, the
assembler seems to think that the final
@@ -666,7 +665,7 @@ lws_table:
sys_call_table:
#include "syscall_table.S"
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
.align 4096
.export sys_call_table64
.Lsys_call_table64:
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index dcfa4d3d0e7..32cbc048932 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -35,7 +35,7 @@
#undef ENTRY_UHOH
#undef ENTRY_COMP
#undef ENTRY_OURS
-#if defined(__LP64__) && !defined(SYSCALL_TABLE_64BIT)
+#if defined(CONFIG_64BIT) && !defined(SYSCALL_TABLE_64BIT)
/* Use ENTRY_SAME for 32-bit syscalls which are the same on wide and
* narrow palinux. Use ENTRY_DIFF for those where a 32-bit specific
* implementation is required on wide palinux. Use ENTRY_COMP where
@@ -46,7 +46,7 @@
#define ENTRY_UHOH(_name_) .dword sys32_##unimplemented
#define ENTRY_OURS(_name_) .dword parisc_##_name_
#define ENTRY_COMP(_name_) .dword compat_sys_##_name_
-#elif defined(__LP64__) && defined(SYSCALL_TABLE_64BIT)
+#elif defined(CONFIG_64BIT) && defined(SYSCALL_TABLE_64BIT)
#define ENTRY_SAME(_name_) .dword sys_##_name_
#define ENTRY_DIFF(_name_) .dword sys_##_name_
#define ENTRY_UHOH(_name_) .dword sys_##_name_
@@ -368,5 +368,11 @@
ENTRY_COMP(mbind) /* 260 */
ENTRY_COMP(get_mempolicy)
ENTRY_COMP(set_mempolicy)
+ ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */
+ ENTRY_SAME(add_key)
+ ENTRY_SAME(request_key) /* 265 */
+ ENTRY_SAME(keyctl)
+ ENTRY_SAME(ioprio_set)
+ ENTRY_SAME(ioprio_get)
/* Nothing yet */
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 7ff67f8e9f8..cded2568078 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -33,10 +33,6 @@
#include <linux/timex.h>
-u64 jiffies_64 = INITIAL_JIFFIES;
-
-EXPORT_SYMBOL(jiffies_64);
-
/* xtime and wall_jiffies keep wall-clock time */
extern unsigned long wall_jiffies;
@@ -89,14 +85,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
}
}
-#ifdef CONFIG_CHASSIS_LCD_LED
- /* Only schedule the led tasklet on cpu 0, and only if it
- * is enabled.
- */
- if (cpu == 0 && !atomic_read(&led_tasklet.count))
- tasklet_schedule(&led_tasklet);
-#endif
-
/* check soft power switch status */
if (cpu == 0 && !atomic_read(&power_tasklet.count))
tasklet_schedule(&power_tasklet);
@@ -104,6 +92,24 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
return IRQ_HANDLED;
}
+
+unsigned long profile_pc(struct pt_regs *regs)
+{
+ unsigned long pc = instruction_pointer(regs);
+
+ if (regs->gr[0] & PSW_N)
+ pc -= 4;
+
+#ifdef CONFIG_SMP
+ if (in_lock_functions(pc))
+ pc = regs->gr[2];
+#endif
+
+ return pc;
+}
+EXPORT_SYMBOL(profile_pc);
+
+
/*** converted from ia64 ***/
/*
* Return the number of micro-seconds that elapsed since the last
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index d2e5b229a2f..15914f0235a 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -74,7 +74,10 @@ void show_regs(struct pt_regs *regs)
char *level;
unsigned long cr30;
unsigned long cr31;
-
+ /* carlos says that gcc understands better memory in a struct,
+ * and it makes our life easier with fpregs -- T-Bone */
+ struct { u32 sw[2]; } s;
+
level = user_mode(regs) ? KERN_DEBUG : KERN_CRIT;
printk("%s\n", level); /* don't want to have that pretty register dump messed up */
@@ -103,11 +106,33 @@ void show_regs(struct pt_regs *regs)
printk("%s\n", buf);
}
-#if RIDICULOUSLY_VERBOSE
- for (i = 0; i < 32; i += 2)
- printk("%sFR%02d : %016lx FR%2d : %016lx", level, i,
- regs->fr[i], i+1, regs->fr[i+1]);
-#endif
+ /* FR are 64bit everywhere. Need to use asm to get the content
+ * of fpsr/fper1, and we assume that we won't have a FP Identify
+ * in our way, otherwise we're screwed.
+ * The fldd is used to restore the T-bit if there was one, as the
+ * store clears it anyway.
+ * BTW, PA2.0 book says "thou shall not use fstw on FPSR/FPERs". */
+ __asm__ (
+ "fstd %%fr0,0(%1) \n\t"
+ "fldd 0(%1),%%fr0 \n\t"
+ : "=m" (s) : "r" (&s) : "%r0"
+ );
+
+ printk("%s\n", level);
+ printk("%s VZOUICununcqcqcqcqcqcrmunTDVZOUI\n", level);
+ printbinary(buf, s.sw[0], 32);
+ printk("%sFPSR: %s\n", level, buf);
+ printk("%sFPER1: %08x\n", level, s.sw[1]);
+
+ /* here we'll print fr0 again, tho it'll be meaningless */
+ for (i = 0; i < 32; i += 4) {
+ int j;
+ p = buf;
+ p += sprintf(p, "%sfr%02d-%02d ", level, i, i + 3);
+ for (j = 0; j < 4; j++)
+ p += sprintf(p, " %016llx", (i+j) == 0 ? 0 : regs->fr[i+j]);
+ printk("%s\n", buf);
+ }
cr30 = mfctl(30);
cr31 = mfctl(31);
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 62eea35bcd6..eaae8a021f9 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -513,15 +513,18 @@ void handle_unaligned(struct pt_regs *regs)
register int flop=0; /* true if this is a flop */
/* log a message with pacing */
- if (user_mode(regs))
- {
- if (unaligned_count > 5 && jiffies - last_time > 5*HZ)
- {
+ if (user_mode(regs)) {
+ if (current->thread.flags & PARISC_UAC_SIGBUS) {
+ goto force_sigbus;
+ }
+
+ if (unaligned_count > 5 && jiffies - last_time > 5*HZ) {
unaligned_count = 0;
last_time = jiffies;
}
- if (++unaligned_count < 5)
- {
+
+ if (!(current->thread.flags & PARISC_UAC_NOPRINT)
+ && ++unaligned_count < 5) {
char buf[256];
sprintf(buf, "%s(%d): unaligned access to 0x" RFMT " at ip=0x" RFMT "\n",
current->comm, current->pid, regs->ior, regs->iaoq[0]);
@@ -530,6 +533,7 @@ void handle_unaligned(struct pt_regs *regs)
show_regs(regs);
#endif
}
+
if (!unaligned_enabled)
goto force_sigbus;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 20:08:20 +0000