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-rw-r--r--arch/sparc64/Kconfig85
-rw-r--r--arch/sparc64/defconfig23
-rw-r--r--arch/sparc64/kernel/Makefile6
-rw-r--r--arch/sparc64/kernel/audit.c6
-rw-r--r--arch/sparc64/kernel/irq.c3
-rw-r--r--arch/sparc64/kernel/isa.c191
-rw-r--r--arch/sparc64/kernel/of_device.c6
-rw-r--r--arch/sparc64/kernel/pci.c2
-rw-r--r--arch/sparc64/kernel/process.c12
-rw-r--r--arch/sparc64/kernel/signal.c16
-rw-r--r--arch/sparc64/kernel/signal32.c272
-rw-r--r--arch/sparc64/kernel/sparc64_ksyms.c2
-rw-r--r--arch/sparc64/kernel/sys_sparc32.c11
-rw-r--r--arch/sparc64/lib/iomap.c4
-rw-r--r--arch/sparc64/mm/init.c16
15 files changed, 81 insertions, 574 deletions
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 8acc5cc3862..edbe71e3fab 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -1,9 +1,5 @@
-# $Id: config.in,v 1.158 2002/01/24 22:14:44 davem Exp $
-# For a description of the syntax of this configuration file,
-# see the Configure script.
-#
-
-mainmenu "Linux/UltraSPARC Kernel Configuration"
+# sparc64 configuration
+mainmenu "Linux Kernel Configuration for 64-bit SPARC"
config SPARC
bool
@@ -17,12 +13,6 @@ config SPARC64
default y
select HAVE_IDE
select HAVE_LMB
- help
- SPARC is a family of RISC microprocessors designed and marketed by
- Sun Microsystems, incorporated. This port covers the newer 64-bit
- UltraSPARC. The UltraLinux project maintains both the SPARC32 and
- SPARC64 ports; its web page is available at
- <http://www.ultralinux.org/>.
config GENERIC_TIME
bool
@@ -97,7 +87,7 @@ config SPARC64_PAGE_SIZE_8KB
help
This lets you select the page size of the kernel.
- 8KB and 64KB work quite well, since Sparc ELF sections
+ 8KB and 64KB work quite well, since SPARC ELF sections
provide for up to 64KB alignment.
Therefore, 512KB and 4MB are for expert hackers only.
@@ -138,7 +128,7 @@ config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SMP
select HOTPLUG
- ---help---
+ help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
@@ -155,23 +145,16 @@ source "kernel/time/Kconfig"
config SMP
bool "Symmetric multi-processing support"
- ---help---
+ help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, say N. If you have a system with more than
one CPU, say Y.
If you say N here, the kernel will run on single and multiprocessor
machines, but will use only one CPU of a multiprocessor machine. If
- you say Y here, the kernel will run on many, but not all,
- singleprocessor machines. On a singleprocessor machine, the kernel
- will run faster if you say N here.
-
- People using multiprocessor machines who say Y here should also say
- Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
- Management" code will be disabled if you say Y here.
-
- See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
- available at <http://www.tldp.org/docs.html#howto>.
+ you say Y here, the kernel will run on single-processor machines.
+ On a single-processor machine, the kernel will run faster if you say
+ N here.
If you don't know what to do here, say N.
@@ -284,50 +267,19 @@ source "mm/Kconfig"
config ISA
bool
- help
- Find out whether you have ISA slots on your motherboard. ISA 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 PCI, EISA, MicroChannel
- (MCA) or VESA. ISA is an older system, now being displaced by PCI;
- newer boards don't support it. If you have ISA, say Y, otherwise N.
config ISAPNP
bool
- help
- Say Y here if you would like support for ISA Plug and Play devices.
- Some information is in <file:Documentation/isapnp.txt>.
-
- To compile this driver as a module, choose M here: the
- module will be called isapnp.
-
- If unsure, say Y.
config EISA
bool
- ---help---
- The Extended Industry Standard Architecture (EISA) bus was
- developed as an open alternative to the IBM MicroChannel bus.
-
- The EISA bus provided some of the features of the IBM MicroChannel
- bus while maintaining backward compatibility with cards made for
- the older ISA bus. The EISA bus saw limited use between 1988 and
- 1995 when it was made obsolete by the PCI bus.
-
- Say Y here if you are building a kernel for an EISA-based machine.
-
- Otherwise, say N.
config MCA
bool
- help
- MicroChannel Architecture is found in some IBM PS/2 machines and
- laptops. It is a bus system similar to PCI or ISA. See
- <file:Documentation/mca.txt> (and especially the web page given
- there) before attempting to build an MCA bus kernel.
config PCMCIA
tristate
- ---help---
+ help
Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
computer. These are credit-card size devices such as network cards,
modems or hard drives often used with laptops computers. There are
@@ -369,10 +321,10 @@ config PCI
bool "PCI support"
select ARCH_SUPPORTS_MSI
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.
+ Find out whether your system includes a PCI bus. PCI is the name of
+ a bus system, i.e. the way the CPU talks to the other stuff inside
+ your box. If you say Y here, the kernel will include drivers and
+ infrastructure code to support PCI bus devices.
config PCI_DOMAINS
def_bool PCI
@@ -396,15 +348,8 @@ menu "Executable file formats"
source "fs/Kconfig.binfmt"
-config SPARC32_COMPAT
- bool "Kernel support for Linux/Sparc 32bit binary compatibility"
- help
- This allows you to run 32-bit binaries on your Ultra.
- Everybody wants this; say Y.
-
config COMPAT
bool
- depends on SPARC32_COMPAT
default y
select COMPAT_BINFMT_ELF
@@ -421,8 +366,8 @@ config SCHED_SMT
default y
help
SMT scheduler support improves the CPU scheduler's decision making
- when dealing with UltraSPARC cpus at a cost of slightly increased
- overhead in some places. If unsure say N here.
+ when dealing with SPARC cpus at a cost of slightly increased overhead
+ in some places. If unsure say N here.
config SCHED_MC
bool "Multi-core scheduler support"
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 92f79680f70..aff93c9d13f 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-numa
-# Wed Apr 23 04:49:08 2008
+# Linux kernel version: 2.6.25
+# Sat Apr 26 03:11:06 2008
#
CONFIG_SPARC=y
CONFIG_SPARC64=y
@@ -152,7 +152,9 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_HUGETLB_PAGE_SIZE_4MB=y
# CONFIG_HUGETLB_PAGE_SIZE_512K is not set
# CONFIG_HUGETLB_PAGE_SIZE_64K is not set
-# CONFIG_NUMA is not set
+CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=4
+CONFIG_NODES_SPAN_OTHER_NODES=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
@@ -162,12 +164,14 @@ CONFIG_SELECT_MEMORY_MODEL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
+CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_HAVE_MEMORY_PRESENT=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
CONFIG_RESOURCES_64BIT=y
CONFIG_ZONE_DMA_FLAG=0
CONFIG_NR_QUICK=1
@@ -191,7 +195,6 @@ CONFIG_SUN_OPENPROMFS=m
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
-CONFIG_SPARC32_COMPAT=y
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_SCHED_SMT=y
@@ -746,13 +749,7 @@ CONFIG_DEVPORT=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
# CONFIG_I2C_CHARDEV is not set
-
-#
-# I2C Algorithms
-#
CONFIG_I2C_ALGOBIT=y
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
#
# I2C Hardware Bus support
@@ -780,6 +777,7 @@ CONFIG_I2C_ALGOBIT=y
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
#
# Miscellaneous I2C Chip support
@@ -1026,6 +1024,7 @@ CONFIG_SND_ALI5451=m
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AW2 is not set
# CONFIG_SND_AZT3328 is not set
# CONFIG_SND_BT87X is not set
# CONFIG_SND_CA0106 is not set
@@ -1097,10 +1096,6 @@ CONFIG_SND_SUN_CS4231=m
# CONFIG_SND_SOC is not set
#
-# SoC Audio support for SuperH
-#
-
-#
# ALSA SoC audio for Freescale SOCs
#
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 63c6ae0dd27..2bd0340b743 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -15,17 +15,17 @@ obj-y := process.o setup.o cpu.o idprom.o \
visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o \
+obj-$(CONFIG_PCI) += ebus.o pci_common.o \
pci_psycho.o pci_sabre.o pci_schizo.o \
pci_sun4v.o pci_sun4v_asm.o pci_fire.o
obj-$(CONFIG_PCI_MSI) += pci_msi.o
obj-$(CONFIG_SMP) += smp.o trampoline.o hvtramp.o
-obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o
+obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o
obj-$(CONFIG_US2E_FREQ) += us2e_cpufreq.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_SUN_LDOMS) += ldc.o vio.o viohs.o ds.o
obj-$(CONFIG_AUDIT) += audit.o
-obj-$(CONFIG_AUDIT)$(CONFIG_SPARC32_COMPAT) += compat_audit.o
+obj-$(CONFIG_AUDIT)$(CONFIG_COMPAT) += compat_audit.o
obj-y += $(obj-yy)
diff --git a/arch/sparc64/kernel/audit.c b/arch/sparc64/kernel/audit.c
index 24d7f4b4178..8fff0ac63d5 100644
--- a/arch/sparc64/kernel/audit.c
+++ b/arch/sparc64/kernel/audit.c
@@ -30,7 +30,7 @@ static unsigned signal_class[] = {
int audit_classify_arch(int arch)
{
-#ifdef CONFIG_SPARC32_COMPAT
+#ifdef CONFIG_COMPAT
if (arch == AUDIT_ARCH_SPARC)
return 1;
#endif
@@ -39,7 +39,7 @@ int audit_classify_arch(int arch)
int audit_classify_syscall(int abi, unsigned syscall)
{
-#ifdef CONFIG_SPARC32_COMPAT
+#ifdef CONFIG_COMPAT
extern int sparc32_classify_syscall(unsigned);
if (abi == AUDIT_ARCH_SPARC)
return sparc32_classify_syscall(syscall);
@@ -60,7 +60,7 @@ int audit_classify_syscall(int abi, unsigned syscall)
static int __init audit_classes_init(void)
{
-#ifdef CONFIG_SPARC32_COMPAT
+#ifdef CONFIG_COMPAT
extern __u32 sparc32_dir_class[];
extern __u32 sparc32_write_class[];
extern __u32 sparc32_read_class[];
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index eb88bd6e674..b441a26b73b 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -1,6 +1,6 @@
/* irq.c: UltraSparc IRQ handling/init/registry.
*
- * Copyright (C) 1997, 2007 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1997, 2007, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
*/
@@ -308,6 +308,7 @@ static void sun4u_irq_enable(unsigned int virt_irq)
IMAP_AID_SAFARI | IMAP_NID_SAFARI);
val |= tid | IMAP_VALID;
upa_writeq(val, imap);
+ upa_writeq(ICLR_IDLE, data->iclr);
}
}
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
deleted file mode 100644
index a2af5ed784c..00000000000
--- a/arch/sparc64/kernel/isa.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
-#include <asm/isa.h>
-
-struct sparc_isa_bridge *isa_chain;
-
-static void __init fatal_err(const char *reason)
-{
- prom_printf("ISA: fatal error, %s.\n", reason);
-}
-
-static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
-{
- if (child)
- printk(" (%s)", isa_dev->prom_node->name);
- else
- printk(" [%s", isa_dev->prom_node->name);
-}
-
-static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
-{
- struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
- memcpy(&isa_dev->resource, &op->resource[0], sizeof(struct resource));
-}
-
-static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
-{
- struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
- if (!op || !op->num_irqs) {
- isa_dev->irq = PCI_IRQ_NONE;
- } else {
- isa_dev->irq = op->irqs[0];
- }
-}
-
-static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
-{
- struct device_node *dp = parent_isa_dev->prom_node->child;
-
- if (!dp)
- return;
-
- printk(" ->");
- while (dp) {
- struct sparc_isa_device *isa_dev;
-
- isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
- if (!isa_dev) {
- fatal_err("cannot allocate child isa_dev");
- prom_halt();
- }
-
- /* Link it in to parent. */
- isa_dev->next = parent_isa_dev->child;
- parent_isa_dev->child = isa_dev;
-
- isa_dev->bus = parent_isa_dev->bus;
- isa_dev->prom_node = dp;
-
- isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev);
-
- report_dev(isa_dev, 1);
-
- dp = dp->sibling;
- }
-}
-
-static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
-{
- struct device_node *dp = isa_br->prom_node->child;
-
- while (dp) {
- struct sparc_isa_device *isa_dev;
- struct dev_archdata *sd;
-
- isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
- if (!isa_dev) {
- printk(KERN_DEBUG "ISA: cannot allocate isa_dev");
- return;
- }
-
- sd = &isa_dev->ofdev.dev.archdata;
- sd->prom_node = dp;
- sd->op = &isa_dev->ofdev;
- sd->iommu = isa_br->ofdev.dev.parent->archdata.iommu;
- sd->stc = isa_br->ofdev.dev.parent->archdata.stc;
- sd->numa_node = isa_br->ofdev.dev.parent->archdata.numa_node;
-
- isa_dev->ofdev.node = dp;
- isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev;
- isa_dev->ofdev.dev.bus = &isa_bus_type;
- sprintf(isa_dev->ofdev.dev.bus_id, "isa[%08x]", dp->node);
-
- /* Register with core */
- if (of_device_register(&isa_dev->ofdev) != 0) {
- printk(KERN_DEBUG "isa: device registration error for %s!\n",
- dp->path_component_name);
- kfree(isa_dev);
- goto next_sibling;
- }
-
- /* Link it in. */
- isa_dev->next = NULL;
- if (isa_br->devices == NULL) {
- isa_br->devices = isa_dev;
- } else {
- struct sparc_isa_device *tmp = isa_br->devices;
-
- while (tmp->next)
- tmp = tmp->next;
-
- tmp->next = isa_dev;
- }
-
- isa_dev->bus = isa_br;
- isa_dev->prom_node = dp;
-
- isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev);
-
- report_dev(isa_dev, 0);
-
- isa_fill_children(isa_dev);
-
- printk("]");
-
- next_sibling:
- dp = dp->sibling;
- }
-}
-
-void __init isa_init(void)
-{
- struct pci_dev *pdev;
- unsigned short vendor, device;
- int index = 0;
-
- vendor = PCI_VENDOR_ID_AL;
- device = PCI_DEVICE_ID_AL_M1533;
-
- pdev = NULL;
- while ((pdev = pci_get_device(vendor, device, pdev)) != NULL) {
- struct sparc_isa_bridge *isa_br;
- struct device_node *dp;
-
- dp = pci_device_to_OF_node(pdev);
-
- isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
- if (!isa_br) {
- printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
- pci_dev_put(pdev);
- return;
- }
-
- isa_br->ofdev.node = dp;
- isa_br->ofdev.dev.parent = &pdev->dev;
- isa_br->ofdev.dev.bus = &isa_bus_type;
- sprintf(isa_br->ofdev.dev.bus_id, "isa%d", index);
-
- /* Register with core */
- if (of_device_register(&isa_br->ofdev) != 0) {
- printk(KERN_DEBUG "isa: device registration error for %s!\n",
- dp->path_component_name);
- kfree(isa_br);
- pci_dev_put(pdev);
- return;
- }
-
- /* Link it in. */
- isa_br->next = isa_chain;
- isa_chain = isa_br;
-
- isa_br->self = pdev;
- isa_br->index = index++;
- isa_br->prom_node = dp;
-
- printk("isa%d:", isa_br->index);
-
- isa_fill_devices(isa_br);
-
- printk("\n");
- }
-}
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 9e58e8cba1c..d569f60c24b 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -412,12 +412,6 @@ static int __init build_one_resource(struct device_node *parent,
static int __init use_1to1_mapping(struct device_node *pp)
{
- /* If this is on the PMU bus, don't try to translate it even
- * if a ranges property exists.
- */
- if (!strcmp(pp->name, "pmu"))
- return 1;
-
/* If we have a ranges property in the parent, use it. */
if (of_find_property(pp, "ranges", NULL) != NULL)
return 0;
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 49f91276651..dbf2fc2f4d8 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -23,7 +23,6 @@
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/ebus.h>
-#include <asm/isa.h>
#include <asm/prom.h>
#include <asm/apb.h>
@@ -885,7 +884,6 @@ static int __init pcibios_init(void)
pci_scan_each_controller_bus();
- isa_init();
ebus_init();
power_init();
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index acf8c5250aa..05601374915 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -1,5 +1,4 @@
-/* $Id: process.c,v 1.131 2002/02/09 19:49:30 davem Exp $
- * arch/sparc64/kernel/process.c
+/* arch/sparc64/kernel/process.c
*
* Copyright (C) 1995, 1996 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
@@ -368,9 +367,6 @@ void flush_thread(void)
if (get_thread_current_ds() != ASI_AIUS)
set_fs(USER_DS);
-
- /* Init new signal delivery disposition. */
- clear_thread_flag(TIF_NEWSIGNALS);
}
/* It's a bit more tricky when 64-bit tasks are involved... */
@@ -595,6 +591,12 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
if (clone_flags & CLONE_SETTLS)
t->kregs->u_regs[UREG_G7] = regs->u_regs[UREG_I3];
+ /* We do not want to accidently trigger system call restart
+ * handling in the new thread. Therefore, clear out the trap
+ * type, which will make pt_regs_regs_is_syscall() return false.
+ */
+ pt_regs_clear_trap_type(t->kregs);
+
return 0;
}
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 77a3e8592cb..f2d88d8f7a4 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -8,7 +8,7 @@
* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
-#ifdef CONFIG_SPARC32_COMPAT
+#ifdef CONFIG_COMPAT
#include <linux/compat.h> /* for compat_old_sigset_t */
#endif
#include <linux/sched.h>
@@ -236,9 +236,6 @@ struct rt_signal_frame {
__siginfo_fpu_t fpu_state;
};
-/* Align macros */
-#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame) + 7) & (~7)))
-
static long _sigpause_common(old_sigset_t set)
{
set &= _BLOCKABLE;
@@ -400,7 +397,7 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
synchronize_user_stack();
save_and_clear_fpu();
- sigframe_size = RT_ALIGNEDSZ;
+ sigframe_size = sizeof(struct rt_signal_frame);
if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
sigframe_size -= sizeof(__siginfo_fpu_t);
@@ -516,11 +513,10 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
struct k_sigaction ka;
sigset_t *oldset;
siginfo_t info;
- int signr, tt;
+ int signr;
- tt = regs->magic & 0x1ff;
- if (tt == 0x110 || tt == 0x111 || tt == 0x16d) {
- regs->magic &= ~0x1ff;
+ if (pt_regs_is_syscall(regs)) {
+ pt_regs_clear_trap_type(regs);
cookie.restart_syscall = 1;
} else
cookie.restart_syscall = 0;
@@ -531,7 +527,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
else
oldset = &current->blocked;
-#ifdef CONFIG_SPARC32_COMPAT
+#ifdef CONFIG_COMPAT
if (test_thread_flag(TIF_32BIT)) {
extern void do_signal32(sigset_t *, struct pt_regs *,
struct signal_deliver_cookie *);
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index 43cdec64d9c..91f8d0826db 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -1,5 +1,4 @@
-/* $Id: signal32.c,v 1.74 2002/02/09 19:49:30 davem Exp $
- * arch/sparc64/kernel/signal32.c
+/* arch/sparc64/kernel/signal32.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
@@ -31,30 +30,6 @@
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-/* Signal frames: the original one (compatible with SunOS):
- *
- * Set up a signal frame... Make the stack look the way SunOS
- * expects it to look which is basically:
- *
- * ---------------------------------- <-- %sp at signal time
- * Struct sigcontext
- * Signal address
- * Ptr to sigcontext area above
- * Signal code
- * The signal number itself
- * One register window
- * ---------------------------------- <-- New %sp
- */
-struct signal_sframe32 {
- struct reg_window32 sig_window;
- int sig_num;
- int sig_code;
- /* struct sigcontext32 * */ u32 sig_scptr;
- int sig_address;
- struct sigcontext32 sig_context;
- unsigned int extramask[_COMPAT_NSIG_WORDS - 1];
-};
-
/* This magic should be in g_upper[0] for all upper parts
* to be valid.
*/
@@ -65,12 +40,7 @@ typedef struct {
unsigned int asi;
} siginfo_extra_v8plus_t;
-/*
- * And the new one, intended to be used for Linux applications only
- * (we have enough in there to work with clone).
- * All the interesting bits are in the info field.
- */
-struct new_signal_frame32 {
+struct signal_frame32 {
struct sparc_stackf32 ss;
__siginfo32_t info;
/* __siginfo_fpu32_t * */ u32 fpu_save;
@@ -149,8 +119,7 @@ struct rt_signal_frame32 {
};
/* Align macros */
-#define SF_ALIGNEDSZ (((sizeof(struct signal_sframe32) + 7) & (~7)))
-#define NF_ALIGNEDSZ (((sizeof(struct new_signal_frame32) + 7) & (~7)))
+#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 7) & (~7)))
#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 7) & (~7)))
int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
@@ -241,17 +210,22 @@ static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu
return err;
}
-void do_new_sigreturn32(struct pt_regs *regs)
+void do_sigreturn32(struct pt_regs *regs)
{
- struct new_signal_frame32 __user *sf;
+ struct signal_frame32 __user *sf;
unsigned int psr;
unsigned pc, npc, fpu_save;
sigset_t set;
unsigned seta[_COMPAT_NSIG_WORDS];
int err, i;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
+ synchronize_user_stack();
+
regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
- sf = (struct new_signal_frame32 __user *) regs->u_regs[UREG_FP];
+ sf = (struct signal_frame32 __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
if (!access_ok(VERIFY_READ, sf, sizeof(*sf)) ||
@@ -319,76 +293,6 @@ segv:
force_sig(SIGSEGV, current);
}
-asmlinkage void do_sigreturn32(struct pt_regs *regs)
-{
- struct sigcontext32 __user *scptr;
- unsigned int pc, npc, psr;
- sigset_t set;
- unsigned int seta[_COMPAT_NSIG_WORDS];
- int err;
-
- /* Always make any pending restarted system calls return -EINTR */
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
-
- synchronize_user_stack();
- if (test_thread_flag(TIF_NEWSIGNALS)) {
- do_new_sigreturn32(regs);
- return;
- }
-
- scptr = (struct sigcontext32 __user *)
- (regs->u_regs[UREG_I0] & 0x00000000ffffffffUL);
- /* Check sanity of the user arg. */
- if (!access_ok(VERIFY_READ, scptr, sizeof(struct sigcontext32)) ||
- (((unsigned long) scptr) & 3))
- goto segv;
-
- err = __get_user(pc, &scptr->sigc_pc);
- err |= __get_user(npc, &scptr->sigc_npc);
-
- if ((pc | npc) & 3)
- goto segv; /* Nice try. */
-
- err |= __get_user(seta[0], &scptr->sigc_mask);
- /* Note that scptr + 1 points to extramask */
- err |= copy_from_user(seta+1, scptr + 1,
- (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
- if (err)
- goto segv;
- switch (_NSIG_WORDS) {
- case 4: set.sig[3] = seta[6] + (((long)seta[7]) << 32);
- case 3: set.sig[2] = seta[4] + (((long)seta[5]) << 32);
- case 2: set.sig[1] = seta[2] + (((long)seta[3]) << 32);
- case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32);
- }
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- if (test_thread_flag(TIF_32BIT)) {
- pc &= 0xffffffff;
- npc &= 0xffffffff;
- }
- regs->tpc = pc;
- regs->tnpc = npc;
- err = __get_user(regs->u_regs[UREG_FP], &scptr->sigc_sp);
- err |= __get_user(regs->u_regs[UREG_I0], &scptr->sigc_o0);
- err |= __get_user(regs->u_regs[UREG_G1], &scptr->sigc_g1);
-
- /* User can only change condition codes in %tstate. */
- err |= __get_user(psr, &scptr->sigc_psr);
- if (err)
- goto segv;
- regs->tstate &= ~(TSTATE_ICC|TSTATE_XCC);
- regs->tstate |= psr_to_tstate_icc(psr);
- return;
-
-segv:
- force_sig(SIGSEGV, current);
-}
-
asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
{
struct rt_signal_frame32 __user *sf;
@@ -504,145 +408,6 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
return (void __user *)(sp - framesize);
}
-static void
-setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *oldset, siginfo_t *info)
-{
- struct signal_sframe32 __user *sframep;
- struct sigcontext32 __user *sc;
- unsigned int seta[_COMPAT_NSIG_WORDS];
- int err = 0;
- void __user *sig_address;
- int sig_code;
- unsigned long pc = regs->tpc;
- unsigned long npc = regs->tnpc;
- unsigned int psr;
-
- if (test_thread_flag(TIF_32BIT)) {
- pc &= 0xffffffff;
- npc &= 0xffffffff;
- }
-
- synchronize_user_stack();
- save_and_clear_fpu();
-
- sframep = (struct signal_sframe32 __user *)
- get_sigframe(sa, regs, SF_ALIGNEDSZ);
- if (invalid_frame_pointer(sframep, sizeof(*sframep))){
- /* Don't change signal code and address, so that
- * post mortem debuggers can have a look.
- */
- do_exit(SIGILL);
- }
-
- sc = &sframep->sig_context;
-
- /* We've already made sure frame pointer isn't in kernel space... */
- err = __put_user((sas_ss_flags(regs->u_regs[UREG_FP]) == SS_ONSTACK),
- &sc->sigc_onstack);
-
- switch (_NSIG_WORDS) {
- case 4: seta[7] = (oldset->sig[3] >> 32);
- seta[6] = oldset->sig[3];
- case 3: seta[5] = (oldset->sig[2] >> 32);
- seta[4] = oldset->sig[2];
- case 2: seta[3] = (oldset->sig[1] >> 32);
- seta[2] = oldset->sig[1];
- case 1: seta[1] = (oldset->sig[0] >> 32);
- seta[0] = oldset->sig[0];
- }
- err |= __put_user(seta[0], &sc->sigc_mask);
- err |= __copy_to_user(sframep->extramask, seta + 1,
- (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
- err |= __put_user(regs->u_regs[UREG_FP], &sc->sigc_sp);
- err |= __put_user(pc, &sc->sigc_pc);
- err |= __put_user(npc, &sc->sigc_npc);
- psr = tstate_to_psr(regs->tstate);
- if (current_thread_info()->fpsaved[0] & FPRS_FEF)
- psr |= PSR_EF;
- err |= __put_user(psr, &sc->sigc_psr);
- err |= __put_user(regs->u_regs[UREG_G1], &sc->sigc_g1);
- err |= __put_user(regs->u_regs[UREG_I0], &sc->sigc_o0);
- err |= __put_user(get_thread_wsaved(), &sc->sigc_oswins);
-
- err |= copy_in_user((u32 __user *)sframep,
- (u32 __user *)(regs->u_regs[UREG_FP]),
- sizeof(struct reg_window32));
-
- set_thread_wsaved(0); /* So process is allowed to execute. */
- err |= __put_user(signr, &sframep->sig_num);
- sig_address = NULL;
- sig_code = 0;
- if (SI_FROMKERNEL (info) && (info->si_code & __SI_MASK) == __SI_FAULT) {
- sig_address = info->si_addr;
- switch (signr) {
- case SIGSEGV:
- switch (info->si_code) {
- case SEGV_MAPERR: sig_code = SUBSIG_NOMAPPING; break;
- default: sig_code = SUBSIG_PROTECTION; break;
- }
- break;
- case SIGILL:
- switch (info->si_code) {
- case ILL_ILLOPC: sig_code = SUBSIG_ILLINST; break;
- case ILL_PRVOPC: sig_code = SUBSIG_PRIVINST; break;
- case ILL_ILLTRP: sig_code = SUBSIG_BADTRAP(info->si_trapno); break;
- default: sig_code = SUBSIG_STACK; break;
- }
- break;
- case SIGFPE:
- switch (info->si_code) {
- case FPE_INTDIV: sig_code = SUBSIG_IDIVZERO; break;
- case FPE_INTOVF: sig_code = SUBSIG_FPINTOVFL; break;
- case FPE_FLTDIV: sig_code = SUBSIG_FPDIVZERO; break;
- case FPE_FLTOVF: sig_code = SUBSIG_FPOVFLOW; break;
- case FPE_FLTUND: sig_code = SUBSIG_FPUNFLOW; break;
- case FPE_FLTRES: sig_code = SUBSIG_FPINEXACT; break;
- case FPE_FLTINV: sig_code = SUBSIG_FPOPERROR; break;
- default: sig_code = SUBSIG_FPERROR; break;
- }
- break;
- case SIGBUS:
- switch (info->si_code) {
- case BUS_ADRALN: sig_code = SUBSIG_ALIGNMENT; break;
- case BUS_ADRERR: sig_code = SUBSIG_MISCERROR; break;
- default: sig_code = SUBSIG_BUSTIMEOUT; break;
- }
- break;
- case SIGEMT:
- switch (info->si_code) {
- case EMT_TAGOVF: sig_code = SUBSIG_TAG; break;
- }
- break;
- case SIGSYS:
- if (info->si_code == (__SI_FAULT|0x100)) {
- /* See sys_sunos32.c */
- sig_code = info->si_trapno;
- break;
- }
- default:
- sig_address = NULL;
- }
- }
- err |= __put_user(ptr_to_compat(sig_address), &sframep->sig_address);
- err |= __put_user(sig_code, &sframep->sig_code);
- err |= __put_user(ptr_to_compat(sc), &sframep->sig_scptr);
- if (err)
- goto sigsegv;
-
- regs->u_regs[UREG_FP] = (unsigned long) sframep;
- regs->tpc = (unsigned long) sa->sa_handler;
- regs->tnpc = (regs->tpc + 4);
- if (test_thread_flag(TIF_32BIT)) {
- regs->tpc &= 0xffffffff;
- regs->tnpc &= 0xffffffff;
- }
- return;
-
-sigsegv:
- force_sigsegv(signr, current);
-}
-
-
static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = current_thread_info()->fpregs;
@@ -663,10 +428,10 @@ static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
return err;
}
-static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
- int signo, sigset_t *oldset)
+static void setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
+ int signo, sigset_t *oldset)
{
- struct new_signal_frame32 __user *sf;
+ struct signal_frame32 __user *sf;
int sigframe_size;
u32 psr;
int i, err;
@@ -676,11 +441,11 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
synchronize_user_stack();
save_and_clear_fpu();
- sigframe_size = NF_ALIGNEDSZ;
+ sigframe_size = SF_ALIGNEDSZ;
if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
sigframe_size -= sizeof(__siginfo_fpu_t);
- sf = (struct new_signal_frame32 __user *)
+ sf = (struct signal_frame32 __user *)
get_sigframe(&ka->sa, regs, sigframe_size);
if (invalid_frame_pointer(sf, sigframe_size))
@@ -944,10 +709,9 @@ static inline void handle_signal32(unsigned long signr, struct k_sigaction *ka,
{
if (ka->sa.sa_flags & SA_SIGINFO)
setup_rt_frame32(ka, regs, signr, oldset, info);
- else if (test_thread_flag(TIF_NEWSIGNALS))
- new_setup_frame32(ka, regs, signr, oldset);
else
- setup_frame32(&ka->sa, regs, signr, oldset, info);
+ setup_frame32(ka, regs, signr, oldset);
+
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
if (!(ka->sa.sa_flags & SA_NOMASK))
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 66336590e83..8ac0b99f2c5 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -49,7 +49,6 @@
#endif
#ifdef CONFIG_PCI
#include <asm/ebus.h>
-#include <asm/isa.h>
#endif
#include <asm/ns87303.h>
#include <asm/timer.h>
@@ -187,7 +186,6 @@ EXPORT_SYMBOL(insw);
EXPORT_SYMBOL(insl);
#ifdef CONFIG_PCI
EXPORT_SYMBOL(ebus_chain);
-EXPORT_SYMBOL(isa_chain);
EXPORT_SYMBOL(pci_alloc_consistent);
EXPORT_SYMBOL(pci_free_consistent);
EXPORT_SYMBOL(pci_map_single);
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index c1a61e98899..161ce4710fe 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -554,10 +554,8 @@ asmlinkage long compat_sys_sigaction(int sig, struct old_sigaction32 __user *act
struct k_sigaction new_ka, old_ka;
int ret;
- if (sig < 0) {
- set_thread_flag(TIF_NEWSIGNALS);
- sig = -sig;
- }
+ WARN_ON_ONCE(sig >= 0);
+ sig = -sig;
if (act) {
compat_old_sigset_t mask;
@@ -601,11 +599,6 @@ asmlinkage long compat_sys_rt_sigaction(int sig,
if (sigsetsize != sizeof(compat_sigset_t))
return -EINVAL;
- /* All tasks which use RT signals (effectively) use
- * new style signals.
- */
- set_thread_flag(TIF_NEWSIGNALS);
-
if (act) {
u32 u_handler, u_restorer;
diff --git a/arch/sparc64/lib/iomap.c b/arch/sparc64/lib/iomap.c
index ac556db0697..7120ebbd4d0 100644
--- a/arch/sparc64/lib/iomap.c
+++ b/arch/sparc64/lib/iomap.c
@@ -21,8 +21,8 @@ EXPORT_SYMBOL(ioport_unmap);
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
{
- unsigned long start = pci_resource_start(dev, bar);
- unsigned long len = pci_resource_len(dev, bar);
+ resource_size_t start = pci_resource_start(dev, bar);
+ resource_size_t len = pci_resource_len(dev, bar);
unsigned long flags = pci_resource_flags(dev, bar);
if (!len || !start)
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 177d8aaeec4..8c2b50e8abc 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1699,9 +1699,21 @@ void __init paging_init(void)
* functions like clear_dcache_dirty_cpu use the cpu mask
* in 13-bit signed-immediate instruction fields.
*/
- BUILD_BUG_ON(FLAGS_RESERVED != 32);
+
+ /*
+ * Page flags must not reach into upper 32 bits that are used
+ * for the cpu number
+ */
+ BUILD_BUG_ON(NR_PAGEFLAGS > 32);
+
+ /*
+ * The bit fields placed in the high range must not reach below
+ * the 32 bit boundary. Otherwise we cannot place the cpu field
+ * at the 32 bit boundary.
+ */
BUILD_BUG_ON(SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH +
- ilog2(roundup_pow_of_two(NR_CPUS)) > FLAGS_RESERVED);
+ ilog2(roundup_pow_of_two(NR_CPUS)) > 32);
+
BUILD_BUG_ON(NR_CPUS > 4096);
kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 10:14:51 +0000