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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-07-24 12:36:56 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-07-24 12:36:56 -0700 |
| commit | b9f12a5d97f652c77ef6803dccd0d40d1290f5be (patch) | |
| tree | 8f58c8620ffef0d350a5ec022feda492a96b179a /arch/mips/include/asm/branch.h | |
| parent | 9d8dc3e529a19e427fd379118acd132520935c5d (diff) | |
| parent | 9a3c4145af32125c5ee39c0272662b47307a8323 (diff) | |
Merge tag 'v3.16-rc6' into next
Merge with mainline to bring in changes to MFD to allow merging
ipaq-micro-ts driver.
Diffstat (limited to 'arch/mips/include/asm/branch.h')
| -rw-r--r-- | arch/mips/include/asm/branch.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h index e28a3e0eb3c..de781cf54bc 100644 --- a/arch/mips/include/asm/branch.h +++ b/arch/mips/include/asm/branch.h @@ -8,6 +8,8 @@ #ifndef _ASM_BRANCH_H #define _ASM_BRANCH_H +#include <asm/cpu-features.h> +#include <asm/mipsregs.h> #include <asm/ptrace.h> #include <asm/inst.h> @@ -18,12 +20,40 @@ extern int __compute_return_epc_for_insn(struct pt_regs *regs, extern int __microMIPS_compute_return_epc(struct pt_regs *regs); extern int __MIPS16e_compute_return_epc(struct pt_regs *regs); +/* + * microMIPS bitfields + */ +#define MM_POOL32A_MINOR_MASK 0x3f +#define MM_POOL32A_MINOR_SHIFT 0x6 +#define MM_MIPS32_COND_FC 0x30 + +extern int __mm_isBranchInstr(struct pt_regs *regs, + struct mm_decoded_insn dec_insn, unsigned long *contpc); + +static inline int mm_isBranchInstr(struct pt_regs *regs, + struct mm_decoded_insn dec_insn, unsigned long *contpc) +{ + if (!cpu_has_mmips) + return 0; + + return __mm_isBranchInstr(regs, dec_insn, contpc); +} static inline int delay_slot(struct pt_regs *regs) { return regs->cp0_cause & CAUSEF_BD; } +static inline void clear_delay_slot(struct pt_regs *regs) +{ + regs->cp0_cause &= ~CAUSEF_BD; +} + +static inline void set_delay_slot(struct pt_regs *regs) +{ + regs->cp0_cause |= CAUSEF_BD; +} + static inline unsigned long exception_epc(struct pt_regs *regs) { if (likely(!delay_slot(regs))) |