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Commit 8d6339b8 authored by Tony Luck's avatar Tony Luck
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Pull rmia32 into release branch

parents 60b341b7 32974ad4
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Showing with 20 additions and 6323 deletions
arch/ia64/Kconfig
View file @ 8d6339b8
......@@ -499,23 +499,6 @@ config ARCH_PROC_KCORE_TEXT
def_bool y
depends on PROC_KCORE
config IA32_SUPPORT
bool "Support for Linux/x86 binaries"
help
IA-64 processors can execute IA-32 (X86) instructions. By
saying Y here, the kernel will include IA-32 system call
emulation support which makes it possible to transparently
run IA-32 Linux binaries on an IA-64 Linux system.
If in doubt, say Y.
config COMPAT
bool
depends on IA32_SUPPORT
default y
config COMPAT_FOR_U64_ALIGNMENT
def_bool COMPAT
config IA64_MCA_RECOVERY
tristate "MCA recovery from errors other than TLB."
......
arch/ia64/Makefile
View file @ 8d6339b8
......@@ -46,7 +46,6 @@ head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
libs-y += arch/ia64/lib/
core-y += arch/ia64/kernel/ arch/ia64/mm/
core-$(CONFIG_IA32_SUPPORT) += arch/ia64/ia32/
core-$(CONFIG_IA64_DIG) += arch/ia64/dig/
core-$(CONFIG_IA64_DIG_VTD) += arch/ia64/dig/
core-$(CONFIG_IA64_GENERIC) += arch/ia64/dig/
......
arch/ia64/configs/bigsur_defconfig
View file @ 8d6339b8
......@@ -131,8 +131,6 @@ CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
# CONFIG_VIRTUAL_MEM_MAP is not set
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
# CONFIG_IA64_MCA_RECOVERY is not set
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
......
arch/ia64/configs/generic_defconfig
View file @ 8d6339b8
......@@ -205,8 +205,6 @@ CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_HOLES_IN_ZONE=y
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
CONFIG_HAVE_ARCH_NODEDATA_EXTENSION=y
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_IA64_MCA_RECOVERY=y
CONFIG_PERFMON=y
......
arch/ia64/configs/gensparse_defconfig
View file @ 8d6339b8
......@@ -139,8 +139,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
CONFIG_NUMA=y
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
CONFIG_IA64_MCA_RECOVERY=y
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
......
arch/ia64/configs/sim_defconfig
View file @ 8d6339b8
......@@ -130,8 +130,6 @@ CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
# CONFIG_VIRTUAL_MEM_MAP is not set
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
# CONFIG_IA64_MCA_RECOVERY is not set
# CONFIG_PERFMON is not set
CONFIG_IA64_PALINFO=m
......
arch/ia64/configs/tiger_defconfig
View file @ 8d6339b8
......@@ -154,7 +154,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_HOLES_IN_ZONE=y
# CONFIG_IA32_SUPPORT is not set
CONFIG_IA64_MCA_RECOVERY=y
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
......
arch/ia64/configs/xen_domu_defconfig
View file @ 8d6339b8
......@@ -200,8 +200,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_HOLES_IN_ZONE=y
# CONFIG_IA32_SUPPORT is not set
# CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
CONFIG_IA64_MCA_RECOVERY=y
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
......
arch/ia64/configs/zx1_defconfig
View file @ 8d6339b8
......@@ -150,8 +150,6 @@ CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_HOLES_IN_ZONE=y
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
CONFIG_IA64_MCA_RECOVERY=y
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
......
arch/ia64/ia32/Makefile deleted 100644 → 0
View file @ 60b341b7
#
# Makefile for the ia32 kernel emulation subsystem.
#
obj-y := ia32_entry.o sys_ia32.o ia32_signal.o \
ia32_support.o ia32_traps.o binfmt_elf32.o ia32_ldt.o
obj-$(CONFIG_AUDIT) += audit.o
# Don't let GCC uses f16-f31 so that save_ia32_fpstate_live() and
# restore_ia32_fpstate_live() can be sure the live register contain user-level state.
CFLAGS_ia32_signal.o += -mfixed-range=f16-f31
arch/ia64/ia32/audit.c deleted 100644 → 0
View file @ 60b341b7
#include "../../x86/include/asm/unistd_32.h"
unsigned ia32_dir_class[] = {
#include <asm-generic/audit_dir_write.h>
~0U
};
unsigned ia32_chattr_class[] = {
#include <asm-generic/audit_change_attr.h>
~0U
};
unsigned ia32_write_class[] = {
#include <asm-generic/audit_write.h>
~0U
};
unsigned ia32_read_class[] = {
#include <asm-generic/audit_read.h>
~0U
};
unsigned ia32_signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int ia32_classify_syscall(unsigned syscall)
{
switch(syscall) {
case __NR_open:
return 2;
case __NR_openat:
return 3;
case __NR_socketcall:
return 4;
case __NR_execve:
return 5;
default:
return 1;
}
}
arch/ia64/ia32/binfmt_elf32.c deleted 100644 → 0
View file @ 60b341b7
/*
* IA-32 ELF support.
*
* Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
* Copyright (C) 2001 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*
* 06/16/00 A. Mallick initialize csd/ssd/tssd/cflg for ia32_load_state
* 04/13/01 D. Mosberger dropped saving tssd in ar.k1---it's not needed
* 09/14/01 D. Mosberger fixed memory management for gdt/tss page
*/
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/security.h>
#include <asm/param.h>
#include <asm/signal.h>
#include "ia32priv.h"
#include "elfcore32.h"
/* Override some function names */
#undef start_thread
#define start_thread ia32_start_thread
#define elf_format elf32_format
#define init_elf_binfmt init_elf32_binfmt
#define exit_elf_binfmt exit_elf32_binfmt
#undef CLOCKS_PER_SEC
#define CLOCKS_PER_SEC IA32_CLOCKS_PER_SEC
extern void ia64_elf32_init (struct pt_regs *regs);
static void elf32_set_personality (void);
static unsigned long __attribute ((unused))
randomize_stack_top(unsigned long stack_top);
#define setup_arg_pages(bprm,tos,exec) ia32_setup_arg_pages(bprm,exec)
#define elf_map elf32_map
#undef SET_PERSONALITY
#define SET_PERSONALITY(ex) elf32_set_personality()
#define elf_read_implies_exec(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack))
/* Ugly but avoids duplication */
#include "../../../fs/binfmt_elf.c"
extern struct page *ia32_shared_page[];
extern unsigned long *ia32_gdt;
extern struct page *ia32_gate_page;
int
ia32_install_shared_page (struct vm_area_struct *vma, struct vm_fault *vmf)
{
vmf->page = ia32_shared_page[smp_processor_id()];
get_page(vmf->page);
return 0;
}
int
ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf)
{
vmf->page = ia32_gate_page;
get_page(vmf->page);
return 0;
}
static const struct vm_operations_struct ia32_shared_page_vm_ops = {
.fault = ia32_install_shared_page
};
static const struct vm_operations_struct ia32_gate_page_vm_ops = {
.fault = ia32_install_gate_page
};
void
ia64_elf32_init (struct pt_regs *regs)
{
struct vm_area_struct *vma;
/*
* Map GDT below 4GB, where the processor can find it. We need to map
* it with privilege level 3 because the IVE uses non-privileged accesses to these
* tables. IA-32 segmentation is used to protect against IA-32 accesses to them.
*/
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
vma->vm_mm = current->mm;
vma->vm_start = IA32_GDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
vma->vm_page_prot = PAGE_SHARED;
vma->vm_flags = VM_READ|VM_MAYREAD|VM_RESERVED;
vma->vm_ops = &ia32_shared_page_vm_ops;
down_write(&current->mm->mmap_sem);
{
if (insert_vm_struct(current->mm, vma)) {
kmem_cache_free(vm_area_cachep, vma);
up_write(&current->mm->mmap_sem);
BUG();
}
}
up_write(&current->mm->mmap_sem);
}
/*
* When user stack is not executable, push sigreturn code to stack makes
* segmentation fault raised when returning to kernel. So now sigreturn
* code is locked in specific gate page, which is pointed by pretcode
* when setup_frame_ia32
*/
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
vma->vm_mm = current->mm;
vma->vm_start = IA32_GATE_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
vma->vm_page_prot = PAGE_COPY_EXEC;
vma->vm_flags = VM_READ | VM_MAYREAD | VM_EXEC
| VM_MAYEXEC | VM_RESERVED;
vma->vm_ops = &ia32_gate_page_vm_ops;
down_write(&current->mm->mmap_sem);
{
if (insert_vm_struct(current->mm, vma)) {
kmem_cache_free(vm_area_cachep, vma);
up_write(&current->mm->mmap_sem);
BUG();
}
}
up_write(&current->mm->mmap_sem);
}
/*
* Install LDT as anonymous memory. This gives us all-zero segment descriptors
* until a task modifies them via modify_ldt().
*/
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
vma->vm_mm = current->mm;
vma->vm_start = IA32_LDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE);
vma->vm_page_prot = PAGE_SHARED;
vma->vm_flags = VM_READ|VM_WRITE|VM_MAYREAD|VM_MAYWRITE;
down_write(&current->mm->mmap_sem);
{
if (insert_vm_struct(current->mm, vma)) {
kmem_cache_free(vm_area_cachep, vma);
up_write(&current->mm->mmap_sem);
BUG();
}
}
up_write(&current->mm->mmap_sem);
}
ia64_psr(regs)->ac = 0; /* turn off alignment checking */
regs->loadrs = 0;
/*
* According to the ABI %edx points to an `atexit' handler. Since we don't have
* one we'll set it to 0 and initialize all the other registers just to make
* things more deterministic, ala the i386 implementation.
*/
regs->r8 = 0; /* %eax */
regs->r11 = 0; /* %ebx */
regs->r9 = 0; /* %ecx */
regs->r10 = 0; /* %edx */
regs->r13 = 0; /* %ebp */
regs->r14 = 0; /* %esi */
regs->r15 = 0; /* %edi */
current->thread.eflag = IA32_EFLAG;
current->thread.fsr = IA32_FSR_DEFAULT;
current->thread.fcr = IA32_FCR_DEFAULT;
current->thread.fir = 0;
current->thread.fdr = 0;
/*
* Setup GDTD. Note: GDTD is the descrambled version of the pseudo-descriptor
* format defined by Figure 3-11 "Pseudo-Descriptor Format" in the IA-32
* architecture manual. Also note that the only fields that are not ignored are
* `base', `limit', 'G', `P' (must be 1) and `S' (must be 0).
*/
regs->r31 = IA32_SEG_UNSCRAMBLE(IA32_SEG_DESCRIPTOR(IA32_GDT_OFFSET, IA32_PAGE_SIZE - 1,
0, 0, 0, 1, 0, 0, 0));
/* Setup the segment selectors */
regs->r16 = (__USER_DS << 16) | __USER_DS; /* ES == DS, GS, FS are zero */
regs->r17 = (__USER_DS << 16) | __USER_CS; /* SS, CS; ia32_load_state() sets TSS and LDT */
ia32_load_segment_descriptors(current);
ia32_load_state(current);
}
/*
* Undo the override of setup_arg_pages() without this ia32_setup_arg_pages()
* will suffer infinite self recursion.
*/
#undef setup_arg_pages
int
ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
{
int ret;
ret = setup_arg_pages(bprm, IA32_STACK_TOP, executable_stack);
if (!ret) {
/*
* Can't do it in ia64_elf32_init(). Needs to be done before
* calls to elf32_map()
*/
current->thread.ppl = ia32_init_pp_list();
}
return ret;
}
static void
elf32_set_personality (void)
{
set_personality(PER_LINUX32);
current->thread.map_base = IA32_PAGE_OFFSET/3;
}
static unsigned long
elf32_map(struct file *filep, unsigned long addr, struct elf_phdr *eppnt,
int prot, int type, unsigned long unused)
{
unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK;
return ia32_do_mmap(filep, (addr & IA32_PAGE_MASK), eppnt->p_filesz + pgoff, prot, type,
eppnt->p_offset - pgoff);
}
#define cpu_uses_ia32el() (local_cpu_data->family > 0x1f)
static int __init check_elf32_binfmt(void)
{
if (cpu_uses_ia32el()) {
printk("Please use IA-32 EL for executing IA-32 binaries\n");
unregister_binfmt(&elf_format);
}
return 0;
}
module_init(check_elf32_binfmt)
arch/ia64/ia32/elfcore32.h deleted 100644 → 0
View file @ 60b341b7
/*
* IA-32 ELF core dump support.
*
* Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
*
* Derived from the x86_64 version
*/
#ifndef _ELFCORE32_H_
#define _ELFCORE32_H_
#include <asm/intrinsics.h>
#include <asm/uaccess.h>
/* Override elfcore.h */
#define _LINUX_ELFCORE_H 1
typedef unsigned int elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct ia32_user_i387_struct elf_fpregset_t;
typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
struct elf_siginfo
{
int si_signo; /* signal number */
int si_code; /* extra code */
int si_errno; /* errno */
};
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
/*
* Hacks are here since types between compat_timeval (= pair of s32) and
* ia64-native timeval (= pair of s64) are not compatible, at least a file
* arch/ia64/ia32/../../../fs/binfmt_elf.c will get warnings from compiler on
* use of cputime_to_timeval(), which usually an alias of jiffies_to_timeval().
*/
#define cputime_to_timeval(a,b) \
do { (b)->tv_usec = 0; (b)->tv_sec = (a)/NSEC_PER_SEC; } while(0)
#else
#define jiffies_to_timeval(a,b) \
do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; } while(0)
#endif
struct elf_prstatus
{
struct elf_siginfo pr_info; /* Info associated with signal */
short pr_cursig; /* Current signal */
unsigned int pr_sigpend; /* Set of pending signals */
unsigned int pr_sighold; /* Set of held signals */
pid_t pr_pid;
pid_t pr_ppid;
pid_t pr_pgrp;
pid_t pr_sid;
struct compat_timeval pr_utime; /* User time */
struct compat_timeval pr_stime; /* System time */
struct compat_timeval pr_cutime; /* Cumulative user time */
struct compat_timeval pr_cstime; /* Cumulative system time */
elf_gregset_t pr_reg; /* GP registers */
int pr_fpvalid; /* True if math co-processor being used. */
};
#define ELF_PRARGSZ (80) /* Number of chars for args */
struct elf_prpsinfo
{
char pr_state; /* numeric process state */
char pr_sname; /* char for pr_state */
char pr_zomb; /* zombie */
char pr_nice; /* nice val */
unsigned int pr_flag; /* flags */
__u16 pr_uid;
__u16 pr_gid;
pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
/* Lots missing */
char pr_fname[16]; /* filename of executable */
char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
};
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
pr_reg[0] = regs->r11; \
pr_reg[1] = regs->r9; \
pr_reg[2] = regs->r10; \
pr_reg[3] = regs->r14; \
pr_reg[4] = regs->r15; \
pr_reg[5] = regs->r13; \
pr_reg[6] = regs->r8; \
pr_reg[7] = regs->r16 & 0xffff; \
pr_reg[8] = (regs->r16 >> 16) & 0xffff; \
pr_reg[9] = (regs->r16 >> 32) & 0xffff; \
pr_reg[10] = (regs->r16 >> 48) & 0xffff; \
pr_reg[11] = regs->r1; \
pr_reg[12] = regs->cr_iip; \
pr_reg[13] = regs->r17 & 0xffff; \
pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG); \
pr_reg[15] = regs->r12; \
pr_reg[16] = (regs->r17 >> 16) & 0xffff;
static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
struct pt_regs *regs)
{
ELF_CORE_COPY_REGS((*elfregs), regs)
}
static inline int elf_core_copy_task_regs(struct task_struct *t,
elf_gregset_t* elfregs)
{
ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t));
return 1;
}
static inline int
elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)
{
struct ia32_user_i387_struct *fpstate = (void*)fpu;
mm_segment_t old_fs;
if (!tsk_used_math(tsk))
return 0;
old_fs = get_fs();
set_fs(KERNEL_DS);
save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);
set_fs(old_fs);
return 1;
}
#define ELF_CORE_COPY_XFPREGS 1
#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
static inline int
elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)
{
struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;
mm_segment_t old_fs;
if (!tsk_used_math(tsk))
return 0;
old_fs = get_fs();
set_fs(KERNEL_DS);
save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);
set_fs(old_fs);
return 1;
}
#endif /* _ELFCORE32_H_ */
arch/ia64/ia32/ia32_entry.S deleted 100644 → 0
View file @ 60b341b7
This diff is collapsed.
arch/ia64/ia32/ia32_ldt.c deleted 100644 → 0
View file @ 60b341b7
/*
* Copyright (C) 2001, 2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*
* Adapted from arch/i386/kernel/ldt.c
*/
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/vmalloc.h>
#include <asm/uaccess.h>
#include "ia32priv.h"
/*
* read_ldt() is not really atomic - this is not a problem since synchronization of reads
* and writes done to the LDT has to be assured by user-space anyway. Writes are atomic,
* to protect the security checks done on new descriptors.
*/
static int
read_ldt (void __user *ptr, unsigned long bytecount)
{
unsigned long bytes_left, n;
char __user *src, *dst;
char buf[256]; /* temporary buffer (don't overflow kernel stack!) */
if (bytecount > IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE)
bytecount = IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE;
bytes_left = bytecount;
src = (void __user *) IA32_LDT_OFFSET;
dst = ptr;
while (bytes_left) {
n = sizeof(buf);
if (n > bytes_left)
n = bytes_left;
/*
* We know we're reading valid memory, but we still must guard against
* running out of memory.
*/
if (__copy_from_user(buf, src, n))
return -EFAULT;
if (copy_to_user(dst, buf, n))
return -EFAULT;
src += n;
dst += n;
bytes_left -= n;
}
return bytecount;
}
static int
read_default_ldt (void __user * ptr, unsigned long bytecount)
{
unsigned long size;
int err;
/* XXX fix me: should return equivalent of default_ldt[0] */
err = 0;
size = 8;
if (size > bytecount)
size = bytecount;
err = size;
if (clear_user(ptr, size))
err = -EFAULT;
return err;
}
static int
write_ldt (void __user * ptr, unsigned long bytecount, int oldmode)
{
struct ia32_user_desc ldt_info;
__u64 entry;
int ret;
if (bytecount != sizeof(ldt_info))
return -EINVAL;
if (copy_from_user(&ldt_info, ptr, sizeof(ldt_info)))
return -EFAULT;
if (ldt_info.entry_number >= IA32_LDT_ENTRIES)
return -EINVAL;
if (ldt_info.contents == 3) {
if (oldmode)
return -EINVAL;
if (ldt_info.seg_not_present == 0)
return -EINVAL;
}
if (ldt_info.base_addr == 0 && ldt_info.limit == 0
&& (oldmode || (ldt_info.contents == 0 && ldt_info.read_exec_only == 1
&& ldt_info.seg_32bit == 0 && ldt_info.limit_in_pages == 0
&& ldt_info.seg_not_present == 1 && ldt_info.useable == 0)))
/* allow LDTs to be cleared by the user */
entry = 0;
else
/* we must set the "Accessed" bit as IVE doesn't emulate it */
entry = IA32_SEG_DESCRIPTOR(ldt_info.base_addr, ldt_info.limit,
(((ldt_info.read_exec_only ^ 1) << 1)
| (ldt_info.contents << 2)) | 1,
1, 3, ldt_info.seg_not_present ^ 1,
(oldmode ? 0 : ldt_info.useable),
ldt_info.seg_32bit,
ldt_info.limit_in_pages);
/*
* Install the new entry. We know we're accessing valid (mapped) user-level
* memory, but we still need to guard against out-of-memory, hence we must use
* put_user().
*/
ret = __put_user(entry, (__u64 __user *) IA32_LDT_OFFSET + ldt_info.entry_number);
ia32_load_segment_descriptors(current);
return ret;
}
asmlinkage int
sys32_modify_ldt (int func, unsigned int ptr, unsigned int bytecount)
{
int ret = -ENOSYS;
switch (func) {
case 0:
ret = read_ldt(compat_ptr(ptr), bytecount);
break;
case 1:
ret = write_ldt(compat_ptr(ptr), bytecount, 1);
break;
case 2:
ret = read_default_ldt(compat_ptr(ptr), bytecount);
break;
case 0x11:
ret = write_ldt(compat_ptr(ptr), bytecount, 0);
break;
}
return ret;
}
arch/ia64/ia32/ia32_signal.c deleted 100644 → 0
View file @ 60b341b7
This diff is collapsed.
arch/ia64/ia32/ia32_support.c deleted 100644 → 0
View file @ 60b341b7
/*
* IA32 helper functions
*
* Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
* Copyright (C) 2000 Asit K. Mallick <asit.k.mallick@intel.com>
* Copyright (C) 2001-2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*
* 06/16/00 A. Mallick added csd/ssd/tssd for ia32 thread context
* 02/19/01 D. Mosberger dropped tssd; it's not needed
* 09/14/01 D. Mosberger fixed memory management for gdt/tss page
* 09/29/01 D. Mosberger added ia32_load_segment_descriptors()
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <asm/intrinsics.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#include "ia32priv.h"
extern int die_if_kernel (char *str, struct pt_regs *regs, long err);
struct page *ia32_shared_page[NR_CPUS];
unsigned long *ia32_boot_gdt;
unsigned long *cpu_gdt_table[NR_CPUS];
struct page *ia32_gate_page;
static unsigned long
load_desc (u16 selector)
{
unsigned long *table, limit, index;
if (!selector)
return 0;
if (selector & IA32_SEGSEL_TI) {
table = (unsigned long *) IA32_LDT_OFFSET;
limit = IA32_LDT_ENTRIES;
} else {
table = cpu_gdt_table[smp_processor_id()];
limit = IA32_PAGE_SIZE / sizeof(ia32_boot_gdt[0]);
}
index = selector >> IA32_SEGSEL_INDEX_SHIFT;
if (index >= limit)
return 0;
return IA32_SEG_UNSCRAMBLE(table[index]);
}
void
ia32_load_segment_descriptors (struct task_struct *task)
{
struct pt_regs *regs = task_pt_regs(task);
/* Setup the segment descriptors */
regs->r24 = load_desc(regs->r16 >> 16); /* ESD */
regs->r27 = load_desc(regs->r16 >> 0); /* DSD */
regs->r28 = load_desc(regs->r16 >> 32); /* FSD */
regs->r29 = load_desc(regs->r16 >> 48); /* GSD */
regs->ar_csd = load_desc(regs->r17 >> 0); /* CSD */
regs->ar_ssd = load_desc(regs->r17 >> 16); /* SSD */
}
int
ia32_clone_tls (struct task_struct *child, struct pt_regs *childregs)
{
struct desc_struct *desc;
struct ia32_user_desc info;
int idx;
if (copy_from_user(&info, (void __user *)(childregs->r14 & 0xffffffff), sizeof(info)))
return -EFAULT;
if (LDT_empty(&info))
return -EINVAL;
idx = info.entry_number;
if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
return -EINVAL;
desc = child->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
desc->a = LDT_entry_a(&info);
desc->b = LDT_entry_b(&info);
/* XXX: can this be done in a cleaner way ? */
load_TLS(&child->thread, smp_processor_id());
ia32_load_segment_descriptors(child);
load_TLS(&current->thread, smp_processor_id());
return 0;
}
void
ia32_save_state (struct task_struct *t)
{
t->thread.eflag = ia64_getreg(_IA64_REG_AR_EFLAG);
t->thread.fsr = ia64_getreg(_IA64_REG_AR_FSR);
t->thread.fcr = ia64_getreg(_IA64_REG_AR_FCR);
t->thread.fir = ia64_getreg(_IA64_REG_AR_FIR);
t->thread.fdr = ia64_getreg(_IA64_REG_AR_FDR);
ia64_set_kr(IA64_KR_IO_BASE, t->thread.old_iob);
ia64_set_kr(IA64_KR_TSSD, t->thread.old_k1);
}
void
ia32_load_state (struct task_struct *t)
{
unsigned long eflag, fsr, fcr, fir, fdr, tssd;
struct pt_regs *regs = task_pt_regs(t);
eflag = t->thread.eflag;
fsr = t->thread.fsr;
fcr = t->thread.fcr;
fir = t->thread.fir;
fdr = t->thread.fdr;
tssd = load_desc(_TSS); /* TSSD */
ia64_setreg(_IA64_REG_AR_EFLAG, eflag);
ia64_setreg(_IA64_REG_AR_FSR, fsr);
ia64_setreg(_IA64_REG_AR_FCR, fcr);
ia64_setreg(_IA64_REG_AR_FIR, fir);
ia64_setreg(_IA64_REG_AR_FDR, fdr);
current->thread.old_iob = ia64_get_kr(IA64_KR_IO_BASE);
current->thread.old_k1 = ia64_get_kr(IA64_KR_TSSD);
ia64_set_kr(IA64_KR_IO_BASE, IA32_IOBASE);
ia64_set_kr(IA64_KR_TSSD, tssd);
regs->r17 = (_TSS << 48) | (_LDT << 32) | (__u32) regs->r17;
regs->r30 = load_desc(_LDT); /* LDTD */
load_TLS(&t->thread, smp_processor_id());
}
/*
* Setup IA32 GDT and TSS
*/
void
ia32_gdt_init (void)
{
int cpu = smp_processor_id();
ia32_shared_page[cpu] = alloc_page(GFP_KERNEL);
if (!ia32_shared_page[cpu])
panic("failed to allocate ia32_shared_page[%d]\n", cpu);
cpu_gdt_table[cpu] = page_address(ia32_shared_page[cpu]);
/* Copy from the boot cpu's GDT */
memcpy(cpu_gdt_table[cpu], ia32_boot_gdt, PAGE_SIZE);
}
/*
* Setup IA32 GDT and TSS
*/
static void
ia32_boot_gdt_init (void)
{
unsigned long ldt_size;
ia32_shared_page[0] = alloc_page(GFP_KERNEL);
if (!ia32_shared_page[0])
panic("failed to allocate ia32_shared_page[0]\n");
ia32_boot_gdt = page_address(ia32_shared_page[0]);
cpu_gdt_table[0] = ia32_boot_gdt;
/* CS descriptor in IA-32 (scrambled) format */
ia32_boot_gdt[__USER_CS >> 3]
= IA32_SEG_DESCRIPTOR(0, (IA32_GATE_END-1) >> IA32_PAGE_SHIFT,
0xb, 1, 3, 1, 1, 1, 1);
/* DS descriptor in IA-32 (scrambled) format */
ia32_boot_gdt[__USER_DS >> 3]
= IA32_SEG_DESCRIPTOR(0, (IA32_GATE_END-1) >> IA32_PAGE_SHIFT,
0x3, 1, 3, 1, 1, 1, 1);
ldt_size = PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE);
ia32_boot_gdt[TSS_ENTRY] = IA32_SEG_DESCRIPTOR(IA32_TSS_OFFSET, 235,
0xb, 0, 3, 1, 1, 1, 0);
ia32_boot_gdt[LDT_ENTRY] = IA32_SEG_DESCRIPTOR(IA32_LDT_OFFSET, ldt_size - 1,
0x2, 0, 3, 1, 1, 1, 0);
}
static void
ia32_gate_page_init(void)
{
unsigned long *sr;
ia32_gate_page = alloc_page(GFP_KERNEL);
sr = page_address(ia32_gate_page);
/* This is popl %eax ; movl $,%eax ; int $0x80 */
*sr++ = 0xb858 | (__IA32_NR_sigreturn << 16) | (0x80cdUL << 48);
/* This is movl $,%eax ; int $0x80 */
*sr = 0xb8 | (__IA32_NR_rt_sigreturn << 8) | (0x80cdUL << 40);
}
void
ia32_mem_init(void)
{
ia32_boot_gdt_init();
ia32_gate_page_init();
}
/*
* Handle bad IA32 interrupt via syscall
*/
void
ia32_bad_interrupt (unsigned long int_num, struct pt_regs *regs)
{
siginfo_t siginfo;
if (die_if_kernel("Bad IA-32 interrupt", regs, int_num))
return;
siginfo.si_signo = SIGTRAP;
siginfo.si_errno = int_num; /* XXX is it OK to abuse si_errno like this? */
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_addr = NULL;
siginfo.si_imm = 0;
siginfo.si_code = TRAP_BRKPT;
force_sig_info(SIGTRAP, &siginfo, current);
}
void
ia32_cpu_init (void)
{
/* initialize global ia32 state - CR0 and CR4 */
ia64_setreg(_IA64_REG_AR_CFLAG, (((ulong) IA32_CR4 << 32) | IA32_CR0));
}
static int __init
ia32_init (void)
{
#if PAGE_SHIFT > IA32_PAGE_SHIFT
{
extern struct kmem_cache *ia64_partial_page_cachep;
ia64_partial_page_cachep = kmem_cache_create("ia64_partial_page_cache",
sizeof(struct ia64_partial_page),
0, SLAB_PANIC, NULL);
}
#endif
return 0;
}
__initcall(ia32_init);
arch/ia64/ia32/ia32_traps.c deleted 100644 → 0
View file @ 60b341b7
/*
* IA-32 exception handlers
*
* Copyright (C) 2000 Asit K. Mallick <asit.k.mallick@intel.com>
* Copyright (C) 2001-2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*
* 06/16/00 A. Mallick added siginfo for most cases (close to IA32)
* 09/29/00 D. Mosberger added ia32_intercept()
*/
#include <linux/kernel.h>
#include <linux/sched.h>
#include "ia32priv.h"
#include <asm/intrinsics.h>
#include <asm/ptrace.h>
int
ia32_intercept (struct pt_regs *regs, unsigned long isr)
{
switch ((isr >> 16) & 0xff) {
case 0: /* Instruction intercept fault */
case 4: /* Locked Data reference fault */
case 1: /* Gate intercept trap */
return -1;
case 2: /* System flag trap */
if (((isr >> 14) & 0x3) >= 2) {
/* MOV SS, POP SS instructions */
ia64_psr(regs)->id = 1;
return 0;
} else
return -1;
}
return -1;
}
int
ia32_exception (struct pt_regs *regs, unsigned long isr)
{
struct siginfo siginfo;
/* initialize these fields to avoid leaking kernel bits to user space: */
siginfo.si_errno = 0;
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_imm = 0;
switch ((isr >> 16) & 0xff) {
case 1:
case 2:
siginfo.si_signo = SIGTRAP;
if (isr == 0)
siginfo.si_code = TRAP_TRACE;
else if (isr & 0x4)
siginfo.si_code = TRAP_BRANCH;
else
siginfo.si_code = TRAP_BRKPT;
break;
case 3:
siginfo.si_signo = SIGTRAP;
siginfo.si_code = TRAP_BRKPT;
break;
case 0: /* Divide fault */
siginfo.si_signo = SIGFPE;
siginfo.si_code = FPE_INTDIV;
break;
case 4: /* Overflow */
case 5: /* Bounds fault */
siginfo.si_signo = SIGFPE;
siginfo.si_code = 0;
break;
case 6: /* Invalid Op-code */
siginfo.si_signo = SIGILL;
siginfo.si_code = ILL_ILLOPN;
break;
case 7: /* FP DNA */
case 8: /* Double Fault */
case 9: /* Invalid TSS */
case 11: /* Segment not present */
case 12: /* Stack fault */
case 13: /* General Protection Fault */
siginfo.si_signo = SIGSEGV;
siginfo.si_code = 0;
break;
case 16: /* Pending FP error */
{
unsigned long fsr, fcr;
fsr = ia64_getreg(_IA64_REG_AR_FSR);
fcr = ia64_getreg(_IA64_REG_AR_FCR);
siginfo.si_signo = SIGFPE;
/*
* (~cwd & swd) will mask out exceptions that are not set to unmasked
* status. 0x3f is the exception bits in these regs, 0x200 is the
* C1 reg you need in case of a stack fault, 0x040 is the stack
* fault bit. We should only be taking one exception at a time,
* so if this combination doesn't produce any single exception,
* then we have a bad program that isn't synchronizing its FPU usage
* and it will suffer the consequences since we won't be able to
* fully reproduce the context of the exception
*/
siginfo.si_isr = isr;
siginfo.si_flags = __ISR_VALID;
switch(((~fcr) & (fsr & 0x3f)) | (fsr & 0x240)) {
case 0x000:
default:
siginfo.si_code = 0;
break;
case 0x001: /* Invalid Op */
case 0x040: /* Stack Fault */
case 0x240: /* Stack Fault | Direction */
siginfo.si_code = FPE_FLTINV;
break;
case 0x002: /* Denormalize */
case 0x010: /* Underflow */
siginfo.si_code = FPE_FLTUND;
break;
case 0x004: /* Zero Divide */
siginfo.si_code = FPE_FLTDIV;
break;
case 0x008: /* Overflow */
siginfo.si_code = FPE_FLTOVF;
break;
case 0x020: /* Precision */
siginfo.si_code = FPE_FLTRES;
break;
}
break;
}
case 17: /* Alignment check */
siginfo.si_signo = SIGSEGV;
siginfo.si_code = BUS_ADRALN;
break;
case 19: /* SSE Numeric error */
siginfo.si_signo = SIGFPE;
siginfo.si_code = 0;
break;
default:
return -1;
}
force_sig_info(siginfo.si_signo, &siginfo, current);
return 0;
}
arch/ia64/ia32/ia32priv.h deleted 100644 → 0
View file @ 60b341b7
This diff is collapsed.
arch/ia64/ia32/sys_ia32.c deleted 100644 → 0
View file @ 60b341b7
This diff is collapsed.
arch/ia64/include/asm/ia32.h deleted 100644 → 0
View file @ 60b341b7
#ifndef _ASM_IA64_IA32_H
#define _ASM_IA64_IA32_H
#include <asm/ptrace.h>
#include <asm/signal.h>
#define IA32_NR_syscalls 285 /* length of syscall table */
#define IA32_PAGE_SHIFT 12 /* 4KB pages */
#ifndef __ASSEMBLY__
# ifdef CONFIG_IA32_SUPPORT
#define IA32_PAGE_OFFSET 0xc0000000
extern void ia32_cpu_init (void);
extern void ia32_mem_init (void);
extern void ia32_gdt_init (void);
extern int ia32_exception (struct pt_regs *regs, unsigned long isr);
extern int ia32_intercept (struct pt_regs *regs, unsigned long isr);
extern int ia32_clone_tls (struct task_struct *child, struct pt_regs *childregs);
# endif /* !CONFIG_IA32_SUPPORT */
/* Declare this unconditionally, so we don't get warnings for unreachable code. */
extern int ia32_setup_frame1 (int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs);
#if PAGE_SHIFT > IA32_PAGE_SHIFT
extern int ia32_copy_ia64_partial_page_list(struct task_struct *,
unsigned long);
extern void ia32_drop_ia64_partial_page_list(struct task_struct *);
#else
# define ia32_copy_ia64_partial_page_list(a1, a2) 0
# define ia32_drop_ia64_partial_page_list(a1) do { ; } while (0)
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_IA64_IA32_H */
arch/ia64/include/asm/processor.h
View file @ 8d6339b8
......@@ -270,23 +270,6 @@ typedef struct {
(int __user *) (addr)); \
})
#ifdef CONFIG_IA32_SUPPORT
struct desc_struct {
unsigned int a, b;
};
#define desc_empty(desc) (!((desc)->a | (desc)->b))
#define desc_equal(desc1, desc2) (((desc1)->a == (desc2)->a) && ((desc1)->b == (desc2)->b))
#define GDT_ENTRY_TLS_ENTRIES 3
#define GDT_ENTRY_TLS_MIN 6
#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
struct ia64_partial_page_list;
#endif
struct thread_struct {
__u32 flags; /* various thread flags (see IA64_THREAD_*) */
/* writing on_ustack is performance-critical, so it's worth spending 8 bits on it... */
......@@ -298,29 +281,6 @@ struct thread_struct {
__u64 rbs_bot; /* the base address for the RBS */
int last_fph_cpu; /* CPU that may hold the contents of f32-f127 */
#ifdef CONFIG_IA32_SUPPORT
__u64 eflag; /* IA32 EFLAGS reg */
__u64 fsr; /* IA32 floating pt status reg */
__u64 fcr; /* IA32 floating pt control reg */
__u64 fir; /* IA32 fp except. instr. reg */
__u64 fdr; /* IA32 fp except. data reg */
__u64 old_k1; /* old value of ar.k1 */
__u64 old_iob; /* old IOBase value */
struct ia64_partial_page_list *ppl; /* partial page list for 4K page size issue */
/* cached TLS descriptors. */
struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
# define INIT_THREAD_IA32 .eflag = 0, \
.fsr = 0, \
.fcr = 0x17800000037fULL, \
.fir = 0, \
.fdr = 0, \
.old_k1 = 0, \
.old_iob = 0, \
.ppl = NULL,
#else
# define INIT_THREAD_IA32
#endif /* CONFIG_IA32_SUPPORT */
#ifdef CONFIG_PERFMON
void *pfm_context; /* pointer to detailed PMU context */
unsigned long pfm_needs_checking; /* when >0, pending perfmon work on kernel exit */
......@@ -342,7 +302,6 @@ struct thread_struct {
.rbs_bot = STACK_TOP - DEFAULT_USER_STACK_SIZE, \
.task_size = DEFAULT_TASK_SIZE, \
.last_fph_cpu = -1, \
INIT_THREAD_IA32 \
INIT_THREAD_PM \
.dbr = {0, }, \
.ibr = {0, }, \
......@@ -485,11 +444,6 @@ extern void __ia64_load_fpu (struct ia64_fpreg *fph);
extern void ia64_save_debug_regs (unsigned long *save_area);
extern void ia64_load_debug_regs (unsigned long *save_area);
#ifdef CONFIG_IA32_SUPPORT
extern void ia32_save_state (struct task_struct *task);
extern void ia32_load_state (struct task_struct *task);
#endif
#define ia64_fph_enable() do { ia64_rsm(IA64_PSR_DFH); ia64_srlz_d(); } while (0)
#define ia64_fph_disable() do { ia64_ssm(IA64_PSR_DFH); ia64_srlz_d(); } while (0)
......
arch/ia64/include/asm/syscall.h
View file @ 8d6339b8
......@@ -22,33 +22,18 @@ static inline long syscall_get_nr(struct task_struct *task,
if ((long)regs->cr_ifs < 0) /* Not a syscall */
return -1;
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs))
return regs->r1;
#endif
return regs->r15;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs))
regs->r8 = regs->r1;
#endif
/* do nothing */
}
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs))
return regs->r8;
#endif
return regs->r10 == -1 ? regs->r8:0;
}
......@@ -62,13 +47,6 @@ static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs)) {
regs->r8 = (long) error ? error : val;
return;
}
#endif
if (error) {
/* error < 0, but ia64 uses > 0 return value */
regs->r8 = -error;
......@@ -89,37 +67,6 @@ static inline void syscall_get_arguments(struct task_struct *task,
{
BUG_ON(i + n > 6);
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs)) {
switch (i + n) {
case 6:
if (!n--) break;
*args++ = regs->r13;
case 5:
if (!n--) break;
*args++ = regs->r15;
case 4:
if (!n--) break;
*args++ = regs->r14;
case 3:
if (!n--) break;
*args++ = regs->r10;
case 2:
if (!n--) break;
*args++ = regs->r9;
case 1:
if (!n--) break;
*args++ = regs->r11;
case 0:
if (!n--) break;
default:
BUG();
break;
}
return;
}
#endif
ia64_syscall_get_set_arguments(task, regs, i, n, args, 0);
}
......@@ -130,34 +77,6 @@ static inline void syscall_set_arguments(struct task_struct *task,
{
BUG_ON(i + n > 6);
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(regs)) {
switch (i + n) {
case 6:
if (!n--) break;
regs->r13 = *args++;
case 5:
if (!n--) break;
regs->r15 = *args++;
case 4:
if (!n--) break;
regs->r14 = *args++;
case 3:
if (!n--) break;
regs->r10 = *args++;
case 2:
if (!n--) break;
regs->r9 = *args++;
case 1:
if (!n--) break;
regs->r11 = *args++;
case 0:
if (!n--) break;
}
return;
}
#endif
ia64_syscall_get_set_arguments(task, regs, i, n, args, 1);
}
#endif /* _ASM_SYSCALL_H */
arch/ia64/include/asm/system.h
View file @ 8d6339b8
......@@ -191,15 +191,6 @@ do { \
#ifdef __KERNEL__
#ifdef CONFIG_IA32_SUPPORT
# define IS_IA32_PROCESS(regs) (ia64_psr(regs)->is != 0)
#else
# define IS_IA32_PROCESS(regs) 0
struct task_struct;
static inline void ia32_save_state(struct task_struct *t __attribute__((unused))){}
static inline void ia32_load_state(struct task_struct *t __attribute__((unused))){}
#endif
/*
* Context switch from one thread to another. If the two threads have
* different address spaces, schedule() has already taken care of
......@@ -233,7 +224,7 @@ extern void ia64_account_on_switch (struct task_struct *prev, struct task_struct
#define IA64_HAS_EXTRA_STATE(t) \
((t)->thread.flags & (IA64_THREAD_DBG_VALID|IA64_THREAD_PM_VALID) \
|| IS_IA32_PROCESS(task_pt_regs(t)) || PERFMON_IS_SYSWIDE())
|| PERFMON_IS_SYSWIDE())
#define __switch_to(prev,next,last) do { \
IA64_ACCOUNT_ON_SWITCH(prev, next); \
......
arch/ia64/include/asm/unistd.h
View file @ 8d6339b8
......@@ -335,20 +335,6 @@
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#ifdef CONFIG_IA32_SUPPORT
# define __ARCH_WANT_SYS_FADVISE64
# define __ARCH_WANT_SYS_GETPGRP
# define __ARCH_WANT_SYS_LLSEEK
# define __ARCH_WANT_SYS_NICE
# define __ARCH_WANT_SYS_OLD_GETRLIMIT
# define __ARCH_WANT_SYS_OLDUMOUNT
# define __ARCH_WANT_SYS_PAUSE
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
# define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
# define __ARCH_WANT_COMPAT_SYS_TIME
#endif
#if !defined(__ASSEMBLY__) && !defined(ASSEMBLER)
#include <linux/types.h>
......
arch/ia64/kernel/audit.c
View file @ 8d6339b8
......@@ -30,20 +30,11 @@ static unsigned signal_class[] = {
int audit_classify_arch(int arch)
{
#ifdef CONFIG_IA32_SUPPORT
if (arch == AUDIT_ARCH_I386)
return 1;
#endif
return 0;
}
int audit_classify_syscall(int abi, unsigned syscall)
{
#ifdef CONFIG_IA32_SUPPORT
extern int ia32_classify_syscall(unsigned);
if (abi == AUDIT_ARCH_I386)
return ia32_classify_syscall(syscall);
#endif
switch(syscall) {
case __NR_open:
return 2;
......@@ -58,18 +49,6 @@ int audit_classify_syscall(int abi, unsigned syscall)
static int __init audit_classes_init(void)
{
#ifdef CONFIG_IA32_SUPPORT
extern __u32 ia32_dir_class[];
extern __u32 ia32_write_class[];
extern __u32 ia32_read_class[];
extern __u32 ia32_chattr_class[];
extern __u32 ia32_signal_class[];
audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
#endif
audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
......
arch/ia64/kernel/entry.S
View file @ 8d6339b8
......@@ -71,15 +71,6 @@ ENTRY(ia64_execve)
add out3=16,sp // regs
br.call.sptk.many rp=sys_execve
.ret0:
#ifdef CONFIG_IA32_SUPPORT
/*
* Check if we're returning to ia32 mode. If so, we need to restore ia32 registers
* from pt_regs.
*/
adds r16=PT(CR_IPSR)+16,sp
;;
ld8 r16=[r16]
#endif
cmp4.ge p6,p7=r8,r0
mov ar.pfs=loc1 // restore ar.pfs
sxt4 r8=r8 // return 64-bit result
......@@ -108,12 +99,6 @@ ENTRY(ia64_execve)
ldf.fill f23=[sp]; ldf.fill f24=[sp]; mov f25=f0
ldf.fill f26=[sp]; ldf.fill f27=[sp]; mov f28=f0
ldf.fill f29=[sp]; ldf.fill f30=[sp]; mov f31=f0
#ifdef CONFIG_IA32_SUPPORT
tbit.nz p6,p0=r16, IA64_PSR_IS_BIT
movl loc0=ia64_ret_from_ia32_execve
;;
(p6) mov rp=loc0
#endif
br.ret.sptk.many rp
END(ia64_execve)
......@@ -848,30 +833,6 @@ __paravirt_work_processed_syscall:
br.cond.sptk.many rbs_switch // B
END(__paravirt_leave_syscall)
#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE
#ifdef CONFIG_IA32_SUPPORT
GLOBAL_ENTRY(ia64_ret_from_ia32_execve)
PT_REGS_UNWIND_INFO(0)
adds r2=PT(R8)+16,sp // r2 = &pt_regs.r8
adds r3=PT(R10)+16,sp // r3 = &pt_regs.r10
;;
.mem.offset 0,0
st8.spill [r2]=r8 // store return value in slot for r8 and set unat bit
.mem.offset 8,0
st8.spill [r3]=r0 // clear error indication in slot for r10 and set unat bit
#ifdef CONFIG_PARAVIRT
;;
// don't fall through, ia64_leave_kernel may be #define'd
br.cond.sptk.few ia64_leave_kernel
;;
#endif /* CONFIG_PARAVIRT */
END(ia64_ret_from_ia32_execve)
#ifndef CONFIG_PARAVIRT
// fall through
#endif
#endif /* CONFIG_IA32_SUPPORT */
#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
GLOBAL_ENTRY(__paravirt_leave_kernel)
PT_REGS_UNWIND_INFO(0)
/*
......
arch/ia64/kernel/ivt.S
View file @ 8d6339b8
......@@ -49,7 +49,6 @@
#include <asm/asmmacro.h>
#include <asm/break.h>
#include <asm/ia32.h>
#include <asm/kregs.h>
#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
......@@ -1386,28 +1385,6 @@ END(ia32_exception)
// 0x6a00 Entry 46 (size 16 bundles) IA-32 Intercept (30,31,59,70,71)
ENTRY(ia32_intercept)
DBG_FAULT(46)
#ifdef CONFIG_IA32_SUPPORT
mov r31=pr
MOV_FROM_ISR(r16)
;;
extr.u r17=r16,16,8 // get ISR.code
mov r18=ar.eflag
MOV_FROM_IIM(r19) // old eflag value
;;
cmp.ne p6,p0=2,r17
(p6) br.cond.spnt 1f // not a system flag fault
xor r16=r18,r19
;;
extr.u r17=r16,18,1 // get the eflags.ac bit
;;
cmp.eq p6,p0=0,r17
(p6) br.cond.spnt 1f // eflags.ac bit didn't change
;;
mov pr=r31,-1 // restore predicate registers
RFI
1:
#endif // CONFIG_IA32_SUPPORT
FAULT(46)
END(ia32_intercept)
......@@ -1416,12 +1393,7 @@ END(ia32_intercept)
// 0x6b00 Entry 47 (size 16 bundles) IA-32 Interrupt (74)
ENTRY(ia32_interrupt)
DBG_FAULT(47)
#ifdef CONFIG_IA32_SUPPORT
mov r31=pr
br.sptk.many dispatch_to_ia32_handler
#else
FAULT(47)
#endif
END(ia32_interrupt)
.org ia64_ivt+0x6c00
......@@ -1715,89 +1687,3 @@ ENTRY(dispatch_illegal_op_fault)
(p6) br.call.dpnt.many b6=b6 // call returns to ia64_leave_kernel
br.sptk.many ia64_leave_kernel
END(dispatch_illegal_op_fault)
#ifdef CONFIG_IA32_SUPPORT
/*
* There is no particular reason for this code to be here, other than that
* there happens to be space here that would go unused otherwise. If this
* fault ever gets "unreserved", simply moved the following code to a more
* suitable spot...
*/
// IA32 interrupt entry point
ENTRY(dispatch_to_ia32_handler)
SAVE_MIN
;;
MOV_FROM_ISR(r14)
SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(r3, r24)
// guarantee that interruption collection is on
;;
SSM_PSR_I(p15, p15, r3)
adds r3=8,r2 // Base pointer for SAVE_REST
;;
SAVE_REST
;;
mov r15=0x80
shr r14=r14,16 // Get interrupt number
;;
cmp.ne p6,p0=r14,r15
(p6) br.call.dpnt.many b6=non_ia32_syscall
adds r14=IA64_PT_REGS_R8_OFFSET + 16,sp // 16 byte hole per SW conventions
adds r15=IA64_PT_REGS_R1_OFFSET + 16,sp
;;
cmp.eq pSys,pNonSys=r0,r0 // set pSys=1, pNonSys=0
ld8 r8=[r14] // get r8
;;
st8 [r15]=r8 // save original EAX in r1 (IA32 procs don't use the GP)
;;
alloc r15=ar.pfs,0,0,6,0 // must first in an insn group
;;
ld4 r8=[r14],8 // r8 == eax (syscall number)
mov r15=IA32_NR_syscalls
;;
cmp.ltu.unc p6,p7=r8,r15
ld4 out1=[r14],8 // r9 == ecx
;;
ld4 out2=[r14],8 // r10 == edx
;;
ld4 out0=[r14] // r11 == ebx
adds r14=(IA64_PT_REGS_R13_OFFSET) + 16,sp
;;
ld4 out5=[r14],PT(R14)-PT(R13) // r13 == ebp
;;
ld4 out3=[r14],PT(R15)-PT(R14) // r14 == esi
adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
;;
ld4 out4=[r14] // r15 == edi
movl r16=ia32_syscall_table
;;
(p6) shladd r16=r8,3,r16 // force ni_syscall if not valid syscall number
ld4 r2=[r2] // r2 = current_thread_info()->flags
;;
ld8 r16=[r16]
and r2=_TIF_SYSCALL_TRACEAUDIT,r2 // mask trace or audit
;;
mov b6=r16
movl r15=ia32_ret_from_syscall
cmp.eq p8,p0=r2,r0
;;
mov rp=r15
(p8) br.call.sptk.many b6=b6
br.cond.sptk ia32_trace_syscall
non_ia32_syscall:
alloc r15=ar.pfs,0,0,2,0
mov out0=r14 // interrupt #
add out1=16,sp // pointer to pt_regs
;; // avoid WAW on CFM
br.call.sptk.many rp=ia32_bad_interrupt
.ret1: movl r15=ia64_leave_kernel
;;
mov rp=r15
br.ret.sptk.many rp
END(dispatch_to_ia32_handler)
#endif /* CONFIG_IA32_SUPPORT */
arch/ia64/kernel/process.c
View file @ 8d6339b8
......@@ -33,7 +33,6 @@
#include <asm/cpu.h>
#include <asm/delay.h>
#include <asm/elf.h>
#include <asm/ia32.h>
#include <asm/irq.h>
#include <asm/kexec.h>
#include <asm/pgalloc.h>
......@@ -358,11 +357,6 @@ ia64_save_extra (struct task_struct *task)
if (info & PFM_CPUINFO_SYST_WIDE)
pfm_syst_wide_update_task(task, info, 0);
#endif
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(task_pt_regs(task)))
ia32_save_state(task);
#endif
}
void
......@@ -383,11 +377,6 @@ ia64_load_extra (struct task_struct *task)
if (info & PFM_CPUINFO_SYST_WIDE)
pfm_syst_wide_update_task(task, info, 1);
#endif
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(task_pt_regs(task)))
ia32_load_state(task);
#endif
}
/*
......@@ -426,7 +415,7 @@ copy_thread(unsigned long clone_flags,
unsigned long user_stack_base, unsigned long user_stack_size,
struct task_struct *p, struct pt_regs *regs)
{
extern char ia64_ret_from_clone, ia32_ret_from_clone;
extern char ia64_ret_from_clone;
struct switch_stack *child_stack, *stack;
unsigned long rbs, child_rbs, rbs_size;
struct pt_regs *child_ptregs;
......@@ -457,7 +446,7 @@ copy_thread(unsigned long clone_flags,
memcpy((void *) child_rbs, (void *) rbs, rbs_size);
if (likely(user_mode(child_ptregs))) {
if ((clone_flags & CLONE_SETTLS) && !IS_IA32_PROCESS(regs))
if (clone_flags & CLONE_SETTLS)
child_ptregs->r13 = regs->r16; /* see sys_clone2() in entry.S */
if (user_stack_base) {
child_ptregs->r12 = user_stack_base + user_stack_size - 16;
......@@ -477,10 +466,7 @@ copy_thread(unsigned long clone_flags,
child_ptregs->r13 = (unsigned long) p; /* set `current' pointer */
}
child_stack->ar_bspstore = child_rbs + rbs_size;
if (IS_IA32_PROCESS(regs))
child_stack->b0 = (unsigned long) &ia32_ret_from_clone;
else
child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
/* copy parts of thread_struct: */
p->thread.ksp = (unsigned long) child_stack - 16;
......@@ -515,22 +501,6 @@ copy_thread(unsigned long clone_flags,
p->thread.flags = ((current->thread.flags & ~THREAD_FLAGS_TO_CLEAR)
| THREAD_FLAGS_TO_SET);
ia64_drop_fpu(p); /* don't pick up stale state from a CPU's fph */
#ifdef CONFIG_IA32_SUPPORT
/*
* If we're cloning an IA32 task then save the IA32 extra
* state from the current task to the new task
*/
if (IS_IA32_PROCESS(task_pt_regs(current))) {
ia32_save_state(p);
if (clone_flags & CLONE_SETTLS)
retval = ia32_clone_tls(p, child_ptregs);
/* Copy partially mapped page list */
if (!retval)
retval = ia32_copy_ia64_partial_page_list(p,
clone_flags);
}
#endif
#ifdef CONFIG_PERFMON
if (current->thread.pfm_context)
......@@ -704,15 +674,6 @@ EXPORT_SYMBOL(kernel_thread);
int
kernel_thread_helper (int (*fn)(void *), void *arg)
{
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(task_pt_regs(current))) {
/* A kernel thread is always a 64-bit process. */
current->thread.map_base = DEFAULT_MAP_BASE;
current->thread.task_size = DEFAULT_TASK_SIZE;
ia64_set_kr(IA64_KR_IO_BASE, current->thread.old_iob);
ia64_set_kr(IA64_KR_TSSD, current->thread.old_k1);
}
#endif
return (*fn)(arg);
}
......@@ -725,14 +686,6 @@ flush_thread (void)
/* drop floating-point and debug-register state if it exists: */
current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
ia64_drop_fpu(current);
#ifdef CONFIG_IA32_SUPPORT
if (IS_IA32_PROCESS(task_pt_regs(current))) {
ia32_drop_ia64_partial_page_list(current);
current->thread.task_size = IA32_PAGE_OFFSET;
set_fs(USER_DS);
memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array));
}
#endif
}
/*
......@@ -753,8 +706,6 @@ exit_thread (void)
if (current->thread.flags & IA64_THREAD_DBG_VALID)
pfm_release_debug_registers(current);
#endif
if (IS_IA32_PROCESS(task_pt_regs(current)))
ia32_drop_ia64_partial_page_list(current);
}
unsigned long
......
arch/ia64/kernel/ptrace.c
View file @ 8d6339b8
......@@ -1250,13 +1250,8 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
long syscall;
int arch;
if (IS_IA32_PROCESS(&regs)) {
syscall = regs.r1;
arch = AUDIT_ARCH_I386;
} else {
syscall = regs.r15;
arch = AUDIT_ARCH_IA64;
}
syscall = regs.r15;
arch = AUDIT_ARCH_IA64;
audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
}
......@@ -2172,11 +2167,6 @@ static const struct user_regset_view user_ia64_view = {
const struct user_regset_view *task_user_regset_view(struct task_struct *tsk)
{
#ifdef CONFIG_IA32_SUPPORT
extern const struct user_regset_view user_ia32_view;
if (IS_IA32_PROCESS(task_pt_regs(tsk)))
return &user_ia32_view;
#endif
return &user_ia64_view;
}
......
arch/ia64/kernel/setup.c
View file @ 8d6339b8
......@@ -46,7 +46,6 @@
#include <linux/kexec.h>
#include <linux/crash_dump.h>
#include <asm/ia32.h>
#include <asm/machvec.h>
#include <asm/mca.h>
#include <asm/meminit.h>
......@@ -1016,10 +1015,6 @@ cpu_init (void)
ia64_mmu_init(ia64_imva(cpu_data));
ia64_mca_cpu_init(ia64_imva(cpu_data));
#ifdef CONFIG_IA32_SUPPORT
ia32_cpu_init();
#endif
/* Clear ITC to eliminate sched_clock() overflows in human time. */
ia64_set_itc(0);
......
arch/ia64/kernel/signal.c
View file @ 8d6339b8
......@@ -21,7 +21,6 @@
#include <linux/unistd.h>
#include <linux/wait.h>
#include <asm/ia32.h>
#include <asm/intrinsics.h>
#include <asm/uaccess.h>
#include <asm/rse.h>
......@@ -425,14 +424,8 @@ static long
handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset,
struct sigscratch *scr)
{
if (IS_IA32_PROCESS(&scr->pt)) {
/* send signal to IA-32 process */
if (!ia32_setup_frame1(sig, ka, info, oldset, &scr->pt))
return 0;
} else
/* send signal to IA-64 process */
if (!setup_frame(sig, ka, info, oldset, scr))
return 0;
if (!setup_frame(sig, ka, info, oldset, scr))
return 0;
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
......@@ -462,7 +455,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
siginfo_t info;
long restart = in_syscall;
long errno = scr->pt.r8;
# define ERR_CODE(c) (IS_IA32_PROCESS(&scr->pt) ? -(c) : (c))
/*
* In the ia64_leave_kernel code path, we want the common case to go fast, which
......@@ -490,14 +482,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
* inferior call), thus it's important to check for restarting _after_
* get_signal_to_deliver().
*/
if (IS_IA32_PROCESS(&scr->pt)) {
if (in_syscall) {
if (errno >= 0)
restart = 0;
else
errno = -errno;
}
} else if ((long) scr->pt.r10 != -1)
if ((long) scr->pt.r10 != -1)
/*
* A system calls has to be restarted only if one of the error codes
* ERESTARTNOHAND, ERESTARTSYS, or ERESTARTNOINTR is returned. If r10
......@@ -513,22 +498,18 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
switch (errno) {
case ERESTART_RESTARTBLOCK:
case ERESTARTNOHAND:
scr->pt.r8 = ERR_CODE(EINTR);
scr->pt.r8 = EINTR;
/* note: scr->pt.r10 is already -1 */
break;
case ERESTARTSYS:
if ((ka.sa.sa_flags & SA_RESTART) == 0) {
scr->pt.r8 = ERR_CODE(EINTR);
scr->pt.r8 = EINTR;
/* note: scr->pt.r10 is already -1 */
break;
}
case ERESTARTNOINTR:
if (IS_IA32_PROCESS(&scr->pt)) {
scr->pt.r8 = scr->pt.r1;
scr->pt.cr_iip -= 2;
} else
ia64_decrement_ip(&scr->pt);
ia64_decrement_ip(&scr->pt);
restart = 0; /* don't restart twice if handle_signal() fails... */
}
}
......@@ -555,21 +536,14 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
if (errno == ERESTARTNOHAND || errno == ERESTARTSYS || errno == ERESTARTNOINTR
|| errno == ERESTART_RESTARTBLOCK)
{
if (IS_IA32_PROCESS(&scr->pt)) {
scr->pt.r8 = scr->pt.r1;
scr->pt.cr_iip -= 2;
if (errno == ERESTART_RESTARTBLOCK)
scr->pt.r8 = 0; /* x86 version of __NR_restart_syscall */
} else {
/*
* Note: the syscall number is in r15 which is saved in
* pt_regs so all we need to do here is adjust ip so that
* the "break" instruction gets re-executed.
*/
ia64_decrement_ip(&scr->pt);
if (errno == ERESTART_RESTARTBLOCK)
scr->pt.r15 = __NR_restart_syscall;
}
/*
* Note: the syscall number is in r15 which is saved in
* pt_regs so all we need to do here is adjust ip so that
* the "break" instruction gets re-executed.
*/
ia64_decrement_ip(&scr->pt);
if (errno == ERESTART_RESTARTBLOCK)
scr->pt.r15 = __NR_restart_syscall;
}
}
......
arch/ia64/kernel/smpboot.c
View file @ 8d6339b8
......@@ -44,7 +44,6 @@
#include <asm/cache.h>
#include <asm/current.h>
#include <asm/delay.h>
#include <asm/ia32.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/machvec.h>
......@@ -443,10 +442,6 @@ smp_callin (void)
calibrate_delay();
local_cpu_data->loops_per_jiffy = loops_per_jiffy;
#ifdef CONFIG_IA32_SUPPORT
ia32_gdt_init();
#endif
/*
* Allow the master to continue.
*/
......
arch/ia64/kernel/traps.c
View file @ 8d6339b8
......@@ -19,7 +19,6 @@
#include <linux/kdebug.h>
#include <asm/fpswa.h>
#include <asm/ia32.h>
#include <asm/intrinsics.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
......@@ -626,10 +625,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
break;
case 45:
#ifdef CONFIG_IA32_SUPPORT
if (ia32_exception(&regs, isr) == 0)
return;
#endif
printk(KERN_ERR "Unexpected IA-32 exception (Trap 45)\n");
printk(KERN_ERR " iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx\n",
iip, ifa, isr);
......@@ -637,10 +632,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
break;
case 46:
#ifdef CONFIG_IA32_SUPPORT
if (ia32_intercept(&regs, isr) == 0)
return;
#endif
printk(KERN_ERR "Unexpected IA-32 intercept trap (Trap 46)\n");
printk(KERN_ERR " iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx, iim - 0x%lx\n",
iip, ifa, isr, iim);
......
arch/ia64/mm/init.c
View file @ 8d6339b8
......@@ -22,7 +22,6 @@
#include <linux/kexec.h>
#include <asm/dma.h>
#include <asm/ia32.h>
#include <asm/io.h>
#include <asm/machvec.h>
#include <asm/numa.h>
......@@ -668,10 +667,6 @@ mem_init (void)
fsyscall_table[i] = sys_call_table[i] | 1;
}
setup_gate();
#ifdef CONFIG_IA32_SUPPORT
ia32_mem_init();
#endif
}
#ifdef CONFIG_MEMORY_HOTPLUG
......
arch/ia64/xen/hypercall.S
View file @ 8d6339b8
......@@ -58,11 +58,6 @@ __HCALL2(xen_ptcga, HYPERPRIVOP_PTC_GA)
__HCALL2(xen_set_rr, HYPERPRIVOP_SET_RR)
__HCALL2(xen_set_kr, HYPERPRIVOP_SET_KR)
#ifdef CONFIG_IA32_SUPPORT
__HCALL0(xen_get_eflag, HYPERPRIVOP_GET_EFLAG)
__HCALL1(xen_set_eflag, HYPERPRIVOP_SET_EFLAG) // refer SDM vol1 3.1.8
#endif /* CONFIG_IA32_SUPPORT */
GLOBAL_ENTRY(xen_set_rr0_to_rr4)
mov r8=r32
mov r9=r33
......
arch/ia64/xen/xen_pv_ops.c
View file @ 8d6339b8
......@@ -301,11 +301,6 @@ static void xen_setreg(int regnum, unsigned long val)
case _IA64_REG_AR_KR0 ... _IA64_REG_AR_KR7:
xen_set_kr(regnum - _IA64_REG_AR_KR0, val);
break;
#ifdef CONFIG_IA32_SUPPORT
case _IA64_REG_AR_EFLAG:
xen_set_eflag(val);
break;
#endif
case _IA64_REG_AR_ITC:
xen_set_itc(val);
break;
......@@ -332,11 +327,6 @@ static unsigned long xen_getreg(int regnum)
case _IA64_REG_PSR:
res = xen_get_psr();
break;
#ifdef CONFIG_IA32_SUPPORT
case _IA64_REG_AR_EFLAG:
res = xen_get_eflag();
break;
#endif
case _IA64_REG_AR_ITC:
res = xen_get_itc();
break;
......@@ -710,9 +700,6 @@ extern unsigned long xen_getreg(int regnum);
__DEFINE_FUNC(getreg,
__DEFINE_GET_REG(PSR, PSR)
#ifdef CONFIG_IA32_SUPPORT
__DEFINE_GET_REG(AR_EFLAG, EFLAG)
#endif
/* get_itc */
"mov r2 = " __stringify(_IA64_REG_AR_ITC) "\n"
......@@ -789,9 +776,6 @@ __DEFINE_FUNC(setreg,
";;\n"
"(p6) br.cond.spnt xen_set_itc\n"
#ifdef CONFIG_IA32_SUPPORT
__DEFINE_SET_REG(AR_EFLAG, SET_EFLAG)
#endif
__DEFINE_SET_REG(CR_TPR, SET_TPR)
__DEFINE_SET_REG(CR_EOI, EOI)
......
drivers/input/input-compat.h
View file @ 8d6339b8
......@@ -21,8 +21,6 @@
you why the ifdefs are needed? Think about it again. -AK */
#ifdef CONFIG_X86_64
# define INPUT_COMPAT_TEST is_compat_task()
#elif defined(CONFIG_IA64)
# define INPUT_COMPAT_TEST IS_IA32_PROCESS(task_pt_regs(current))
#elif defined(CONFIG_S390)
# define INPUT_COMPAT_TEST test_thread_flag(TIF_31BIT)
#elif defined(CONFIG_MIPS)
......
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