AcoSail/kernel_optimize_test
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[SPARC64]: Fix bug in unaligned load endianness swapping

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The in-memory value was being swapped, not the value we
loaded into the register.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-09-28 16:48:40 -07:00
parent d2212bc7db
commit 705747ab87
1 changed files with 5 additions and 5 deletions
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10
arch/sparc64/kernel/unaligned.c
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@ -294,7 +294,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
kernel_mna_trap_fault();
} else {
unsigned long addr;
unsigned long addr, *reg_addr;
int orig_asi, asi;
addr = compute_effective_address(regs, insn,
@ -319,11 +319,11 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
};
switch (dir) {
case load:
do_int_load(fetch_reg_addr(((insn>>25)&0x1f), regs),
size, (unsigned long *) addr,
reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs);
do_int_load(reg_addr, size, (unsigned long *) addr,
decode_signedness(insn), asi);
if (unlikely(asi != orig_asi)) {
unsigned long val_in = *(unsigned long *) addr;
unsigned long val_in = *reg_addr;
switch (size) {
case 2:
val_in = swab16(val_in);
@ -339,7 +339,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
BUG();
break;
};
*(unsigned long *) addr = val_in;
*reg_addr = val_in;
}
break;