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Diffstat (limited to 'arch/mips/math-emu/dsemul.c')
-rw-r--r--arch/mips/math-emu/dsemul.c35
1 files changed, 7 insertions, 28 deletions
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 7ea622ab8da..4f514f3724c 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -1,30 +1,12 @@
-#include <linux/compiler.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <linux/smp.h>
-
-#include <asm/asm.h>
-#include <asm/bootinfo.h>
-#include <asm/byteorder.h>
-#include <asm/cpu.h>
-#include <asm/inst.h>
-#include <asm/processor.h>
-#include <asm/uaccess.h>
#include <asm/branch.h>
-#include <asm/mipsregs.h>
#include <asm/cacheflush.h>
-
#include <asm/fpu_emulator.h>
+#include <asm/inst.h>
+#include <asm/mipsregs.h>
+#include <asm/uaccess.h>
#include "ieee754.h"
-/* Strap kernel emulator for full MIPS IV emulation */
-
-#ifdef __mips
-#undef __mips
-#endif
-#define __mips 4
-
/*
* Emulate the arbritrary instruction ir at xcp->cp0_epc. Required when
* we have to emulate the instruction in a COP1 branch delay slot. Do
@@ -59,13 +41,11 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
(ir == 0)) {
/* NOP is easy */
regs->cp0_epc = cpc;
- regs->cp0_cause &= ~CAUSEF_BD;
+ clear_delay_slot(regs);
return 0;
}
-#ifdef DSEMUL_TRACE
- printk("dsemul %lx %lx\n", regs->cp0_epc, cpc);
-#endif
+ pr_debug("dsemul %lx %lx\n", regs->cp0_epc, cpc);
/*
* The strategy is to push the instruction onto the user stack
@@ -167,9 +147,8 @@ int do_dsemulret(struct pt_regs *xcp)
* emulating the branch delay instruction.
*/
-#ifdef DSEMUL_TRACE
- printk("dsemulret\n");
-#endif
+ pr_debug("dsemulret\n");
+
if (__get_user(epc, &fr->epc)) { /* Saved EPC */
/* This is not a good situation to be in */
force_sig(SIGBUS, current);