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powerpc: Add macros to access floating point registers in thread_struct.

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We are going to change where the floating point registers are stored
in the thread_struct, so in preparation add some macros to access the
floating point registers.  Update all code to use these new macros.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Neuling
2008-06-26 17:07:48 +10:00
committed by Paul Mackerras
parent 9e7511861c
commit 9c75a31c35
8 changed files with 58 additions and 43 deletions
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6
arch/powerpc/kernel/align.c
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@@ -366,7 +366,7 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
static int emulate_fp_pair(struct pt_regs *regs, unsigned char __user *addr,
unsigned int reg, unsigned int flags)
{
char *ptr = (char *) &current->thread.fpr[reg];
char *ptr = (char *) &current->thread.TS_FPR(reg);
int i, ret;
if (!(flags & F))
@@ -784,7 +784,7 @@ int fix_alignment(struct pt_regs *regs)
return -EFAULT;
}
} else if (flags & F) {
data.dd = current->thread.fpr[reg];
data.dd = current->thread.TS_FPR(reg);
if (flags & S) {
/* Single-precision FP store requires conversion... */
#ifdef CONFIG_PPC_FPU
@@ -862,7 +862,7 @@ int fix_alignment(struct pt_regs *regs)
if (unlikely(ret))
return -EFAULT;
} else if (flags & F)
current->thread.fpr[reg] = data.dd;
current->thread.TS_FPR(reg) = data.dd;
else
regs->gpr[reg] = data.ll;