diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/tm.h | 20 |
2 files changed, 21 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 7844c285f6e1..eee2a60994bf 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -797,7 +797,7 @@ * HV mode in which case it is HSPRG0 * * 64-bit server: - * - SPRG0 unused (reserved for HV on Power4) + * - SPRG0 scratch for TM recheckpoint/reclaim (reserved for HV on Power4) * - SPRG2 scratch for exception vectors * - SPRG3 CPU and NUMA node for VDSO getcpu (user visible) * - HSPRG0 stores PACA in HV mode diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h new file mode 100644 index 000000000000..4b4449abf3f8 --- /dev/null +++ b/arch/powerpc/include/asm/tm.h @@ -0,0 +1,20 @@ +/* + * Transactional memory support routines to reclaim and recheckpoint + * transactional process state. + * + * Copyright 2012 Matt Evans & Michael Neuling, IBM Corporation. + */ + +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +extern void do_load_up_transact_fpu(struct thread_struct *thread); +extern void do_load_up_transact_altivec(struct thread_struct *thread); +#endif + +extern void tm_enable(void); +extern void tm_reclaim(struct thread_struct *thread, + unsigned long orig_msr, uint8_t cause); +extern void tm_recheckpoint(struct thread_struct *thread, + unsigned long orig_msr); +extern void tm_abort(uint8_t cause); +extern void tm_save_sprs(struct thread_struct *thread); +extern void tm_restore_sprs(struct thread_struct *thread); |