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Diffstat (limited to 'arch/mips/include/asm/fpu_emulator.h')
-rw-r--r--arch/mips/include/asm/fpu_emulator.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h
index 2731c38bd7a..e5189572956 100644
--- a/arch/mips/include/asm/fpu_emulator.h
+++ b/arch/mips/include/asm/fpu_emulator.h
@@ -23,6 +23,9 @@
#ifndef _ASM_FPU_EMULATOR_H
#define _ASM_FPU_EMULATOR_H
+#include <asm/break.h>
+#include <asm/inst.h>
+
struct mips_fpu_emulator_stats {
unsigned int emulated;
unsigned int loads;
@@ -34,4 +37,18 @@ struct mips_fpu_emulator_stats {
extern struct mips_fpu_emulator_stats fpuemustats;
+extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
+ unsigned long cpc);
+extern int do_dsemulret(struct pt_regs *xcp);
+
+/*
+ * Instruction inserted following the badinst to further tag the sequence
+ */
+#define BD_COOKIE 0x0000bd36 /* tne $0, $0 with baggage */
+
+/*
+ * Break instruction with special math emu break code set
+ */
+#define BREAK_MATH (0x0000000d | (BRK_MEMU << 16))
+
#endif /* _ASM_FPU_EMULATOR_H */