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Diffstat (limited to 'arch/sparc64/kernel/sys_sparc.c')
-rw-r--r--arch/sparc64/kernel/sys_sparc.c110
1 files changed, 55 insertions, 55 deletions
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 90852ef93..7ef96ccb2 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -1,4 +1,4 @@
-/* $Id: sys_sparc.c,v 1.56 2001-12-21 04:56:15 davem Exp $
+/* $Id: sys_sparc.c,v 1.57 2002-02-09 19:49:30 davem Exp $
* linux/arch/sparc64/kernel/sys_sparc.c
*
* This file contains various random system calls that
@@ -59,7 +59,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
return addr;
}
- if (current->thread.flags & SPARC_FLAG_32BIT)
+ if (test_thread_flag(TIF_32BIT))
task_size = 0xf0000000UL;
if (len > task_size || len > -PAGE_OFFSET)
return -ENOMEM;
@@ -140,7 +140,7 @@ extern asmlinkage unsigned long sys_brk(unsigned long brk);
asmlinkage unsigned long sparc_brk(unsigned long brk)
{
/* People could try to be nasty and use ta 0x6d in 32bit programs */
- if ((current->thread.flags & SPARC_FLAG_32BIT) &&
+ if (test_thread_flag(TIF_32BIT) &&
brk >= 0xf0000000UL)
return current->mm->brk;
@@ -289,7 +289,7 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
len = PAGE_ALIGN(len);
retval = -EINVAL;
- if (current->thread.flags & SPARC_FLAG_32BIT) {
+ if (test_thread_flag(TIF_32BIT)) {
if (len > 0xf0000000UL ||
((flags & MAP_FIXED) && addr > 0xf0000000UL - len))
goto out_putf;
@@ -334,7 +334,7 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr,
{
struct vm_area_struct *vma;
unsigned long ret = -EINVAL;
- if (current->thread.flags & SPARC_FLAG_32BIT)
+ if (test_thread_flag(TIF_32BIT))
goto out;
if (old_len > -PAGE_OFFSET || new_len > -PAGE_OFFSET)
goto out;
@@ -401,7 +401,7 @@ sparc_breakpoint (struct pt_regs *regs)
{
siginfo_t info;
- if ((current->thread.flags & SPARC_FLAG_32BIT) != 0) {
+ if (test_thread_flag(TIF_32BIT)) {
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
@@ -454,7 +454,7 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
regs->tpc = regs->tnpc;
regs->tnpc += 4;
- if ((current->thread.flags & SPARC_FLAG_32BIT) != 0) {
+ if (test_thread_flag(TIF_32BIT)) {
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
@@ -474,7 +474,7 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
regs->tpc = regs->tnpc;
regs->tnpc += 4;
- if ((current->thread.flags & SPARC_FLAG_32BIT) != 0) {
+ if (test_thread_flag(TIF_32BIT)) {
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
@@ -494,11 +494,11 @@ asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
return -EINVAL;
if (new_p == (utrap_handler_t)(long)UTH_NOCHANGE) {
if (old_p) {
- if (!current->thread.utraps) {
+ if (!current_thread_info()->utraps) {
if (put_user(NULL, old_p))
return -EFAULT;
} else {
- if (put_user((utrap_handler_t)(current->thread.utraps[type]), old_p))
+ if (put_user((utrap_handler_t)(current_thread_info()->utraps[type]), old_p))
return -EFAULT;
}
}
@@ -508,39 +508,39 @@ asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
}
return 0;
}
- if (!current->thread.utraps) {
- current->thread.utraps =
+ if (!current_thread_info()->utraps) {
+ current_thread_info()->utraps =
kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
- if (!current->thread.utraps) return -ENOMEM;
- current->thread.utraps[0] = 1;
- memset(current->thread.utraps+1, 0, UT_TRAP_INSTRUCTION_31*sizeof(long));
+ if (!current_thread_info()->utraps) return -ENOMEM;
+ current_thread_info()->utraps[0] = 1;
+ memset(current_thread_info()->utraps+1, 0, UT_TRAP_INSTRUCTION_31*sizeof(long));
} else {
- if ((utrap_handler_t)current->thread.utraps[type] != new_p &&
- current->thread.utraps[0] > 1) {
- long *p = current->thread.utraps;
+ if ((utrap_handler_t)current_thread_info()->utraps[type] != new_p &&
+ current_thread_info()->utraps[0] > 1) {
+ long *p = current_thread_info()->utraps;
- current->thread.utraps =
+ current_thread_info()->utraps =
kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long),
GFP_KERNEL);
- if (!current->thread.utraps) {
- current->thread.utraps = p;
+ if (!current_thread_info()->utraps) {
+ current_thread_info()->utraps = p;
return -ENOMEM;
}
p[0]--;
- current->thread.utraps[0] = 1;
- memcpy(current->thread.utraps+1, p+1,
+ current_thread_info()->utraps[0] = 1;
+ memcpy(current_thread_info()->utraps+1, p+1,
UT_TRAP_INSTRUCTION_31*sizeof(long));
}
}
if (old_p) {
- if (put_user((utrap_handler_t)(current->thread.utraps[type]), old_p))
+ if (put_user((utrap_handler_t)(current_thread_info()->utraps[type]), old_p))
return -EFAULT;
}
if (old_d) {
if (put_user(NULL, old_d))
return -EFAULT;
}
- current->thread.utraps[type] = (long)new_p;
+ current_thread_info()->utraps[type] = (long)new_p;
return 0;
}
@@ -589,10 +589,10 @@ update_perfctrs(void)
unsigned long pic, tmp;
read_pic(pic);
- tmp = (current->thread.kernel_cntd0 += (unsigned int)pic);
- __put_user(tmp, current->thread.user_cntd0);
- tmp = (current->thread.kernel_cntd1 += (pic >> 32));
- __put_user(tmp, current->thread.user_cntd1);
+ tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
+ __put_user(tmp, current_thread_info()->user_cntd0);
+ tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
+ __put_user(tmp, current_thread_info()->user_cntd1);
reset_pic();
}
@@ -603,24 +603,24 @@ sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long ar
switch(opcode) {
case PERFCTR_ON:
- current->thread.pcr_reg = arg2;
- current->thread.user_cntd0 = (u64 *) arg0;
- current->thread.user_cntd1 = (u64 *) arg1;
- current->thread.kernel_cntd0 =
- current->thread.kernel_cntd1 = 0;
+ current_thread_info()->pcr_reg = arg2;
+ current_thread_info()->user_cntd0 = (u64 *) arg0;
+ current_thread_info()->user_cntd1 = (u64 *) arg1;
+ current_thread_info()->kernel_cntd0 =
+ current_thread_info()->kernel_cntd1 = 0;
write_pcr(arg2);
reset_pic();
- current->thread.flags |= SPARC_FLAG_PERFCTR;
+ set_thread_flag(TIF_PERFCTR);
break;
case PERFCTR_OFF:
err = -EINVAL;
- if ((current->thread.flags & SPARC_FLAG_PERFCTR) != 0) {
- current->thread.user_cntd0 =
- current->thread.user_cntd1 = NULL;
- current->thread.pcr_reg = 0;
+ if (test_thread_flag(TIF_PERFCTR)) {
+ current_thread_info()->user_cntd0 =
+ current_thread_info()->user_cntd1 = NULL;
+ current_thread_info()->pcr_reg = 0;
write_pcr(0);
- current->thread.flags &= ~(SPARC_FLAG_PERFCTR);
+ clear_thread_flag(TIF_PERFCTR);
err = 0;
}
break;
@@ -628,50 +628,50 @@ sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long ar
case PERFCTR_READ: {
unsigned long pic, tmp;
- if (!(current->thread.flags & SPARC_FLAG_PERFCTR)) {
+ if (!test_thread_flag(TIF_PERFCTR)) {
err = -EINVAL;
break;
}
read_pic(pic);
- tmp = (current->thread.kernel_cntd0 += (unsigned int)pic);
- err |= __put_user(tmp, current->thread.user_cntd0);
- tmp = (current->thread.kernel_cntd1 += (pic >> 32));
- err |= __put_user(tmp, current->thread.user_cntd1);
+ tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
+ err |= __put_user(tmp, current_thread_info()->user_cntd0);
+ tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
+ err |= __put_user(tmp, current_thread_info()->user_cntd1);
reset_pic();
break;
}
case PERFCTR_CLRPIC:
- if (!(current->thread.flags & SPARC_FLAG_PERFCTR)) {
+ if (!test_thread_flag(TIF_PERFCTR)) {
err = -EINVAL;
break;
}
- current->thread.kernel_cntd0 =
- current->thread.kernel_cntd1 = 0;
+ current_thread_info()->kernel_cntd0 =
+ current_thread_info()->kernel_cntd1 = 0;
reset_pic();
break;
case PERFCTR_SETPCR: {
u64 *user_pcr = (u64 *)arg0;
- if (!(current->thread.flags & SPARC_FLAG_PERFCTR)) {
+ if (!test_thread_flag(TIF_PERFCTR)) {
err = -EINVAL;
break;
}
- err |= __get_user(current->thread.pcr_reg, user_pcr);
- write_pcr(current->thread.pcr_reg);
- current->thread.kernel_cntd0 =
- current->thread.kernel_cntd1 = 0;
+ err |= __get_user(current_thread_info()->pcr_reg, user_pcr);
+ write_pcr(current_thread_info()->pcr_reg);
+ current_thread_info()->kernel_cntd0 =
+ current_thread_info()->kernel_cntd1 = 0;
reset_pic();
break;
}
case PERFCTR_GETPCR: {
u64 *user_pcr = (u64 *)arg0;
- if (!(current->thread.flags & SPARC_FLAG_PERFCTR)) {
+ if (!test_thread_flag(TIF_PERFCTR)) {
err = -EINVAL;
break;
}
- err |= __put_user(current->thread.pcr_reg, user_pcr);
+ err |= __put_user(current_thread_info()->pcr_reg, user_pcr);
break;
}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-29 06:00:25 +0000