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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2007-07-13 23:02:29 +0900
committerRalf Baechle <ralf@linux-mips.org>2007-07-13 17:40:00 +0100
commite70dfc10b99ebffa1f464b1b9290df2589284f70 (patch)
treecf781d6ee4bc032ea7ac24a2b8eb53de33d9cb18 /arch/mips/math-emu
parente50e1c744df20e704441a99eef7c6414e6920712 (diff)
[MIPS] math-emu minor cleanup
Declaring emulpc and contpc as "unsigned long" can get rid of some casts. This also get rid of some sparse warnings. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu')
-rw-r--r--arch/mips/math-emu/cp1emu.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index d7f05b0abe1..17419e11eca 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -205,7 +205,7 @@ static int isBranchInstr(mips_instruction * i)
static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
{
mips_instruction ir;
- void * emulpc, *contpc;
+ unsigned long emulpc, contpc;
unsigned int cond;
if (get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) {
@@ -230,7 +230,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
* Linux MIPS branch emulator operates on context, updating the
* cp0_epc.
*/
- emulpc = (void *) (xcp->cp0_epc + 4); /* Snapshot emulation target */
+ emulpc = xcp->cp0_epc + 4; /* Snapshot emulation target */
if (__compute_return_epc(xcp)) {
#ifdef CP1DBG
@@ -244,12 +244,12 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
return SIGBUS;
}
/* __compute_return_epc() will have updated cp0_epc */
- contpc = (void *) xcp->cp0_epc;
+ contpc = xcp->cp0_epc;
/* In order not to confuse ptrace() et al, tweak context */
- xcp->cp0_epc = (unsigned long) emulpc - 4;
+ xcp->cp0_epc = emulpc - 4;
} else {
- emulpc = (void *) xcp->cp0_epc;
- contpc = (void *) (xcp->cp0_epc + 4);
+ emulpc = xcp->cp0_epc;
+ contpc = xcp->cp0_epc + 4;
}
emul:
@@ -427,8 +427,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
* instruction
*/
xcp->cp0_epc += 4;
- contpc = (void *)
- (xcp->cp0_epc +
+ contpc = (xcp->cp0_epc +
(MIPSInst_SIMM(ir) << 2));
if (get_user(ir,
@@ -462,7 +461,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
* Single step the non-cp1
* instruction in the dslot
*/
- return mips_dsemul(xcp, ir, (unsigned long) contpc);
+ return mips_dsemul(xcp, ir, contpc);
}
else {
/* branch not taken */
@@ -521,7 +520,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
}
/* we did it !! */
- xcp->cp0_epc = (unsigned long) contpc;
+ xcp->cp0_epc = contpc;
xcp->cp0_cause &= ~CAUSEF_BD;
return 0;