diff options
Diffstat (limited to 'arch/s390/include/asm/processor.h')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 66 |
1 files changed, 1 insertions, 65 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index e7cbbdcdee13..dedb6218544b 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -19,7 +19,6 @@ #define _CIF_ASCE (1<<CIF_ASCE) #define _CIF_NOHZ_DELAY (1<<CIF_NOHZ_DELAY) - #ifndef __ASSEMBLY__ #include <linux/linkage.h> @@ -66,13 +65,6 @@ extern void execve_tail(void); /* * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit. */ -#ifndef CONFIG_64BIT - -#define TASK_SIZE (1UL << 31) -#define TASK_MAX_SIZE (1UL << 31) -#define TASK_UNMAPPED_BASE (1UL << 30) - -#else /* CONFIG_64BIT */ #define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit) #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \ @@ -80,15 +72,8 @@ extern void execve_tail(void); #define TASK_SIZE TASK_SIZE_OF(current) #define TASK_MAX_SIZE (1UL << 53) -#endif /* CONFIG_64BIT */ - -#ifndef CONFIG_64BIT -#define STACK_TOP (1UL << 31) -#define STACK_TOP_MAX (1UL << 31) -#else /* CONFIG_64BIT */ #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42)) #define STACK_TOP_MAX (1UL << 42) -#endif /* CONFIG_64BIT */ #define HAVE_ARCH_PICK_MMAP_LAYOUT @@ -115,10 +100,8 @@ struct thread_struct { /* cpu runtime instrumentation */ struct runtime_instr_cb *ri_cb; int ri_signum; -#ifdef CONFIG_64BIT unsigned char trap_tdb[256]; /* Transaction abort diagnose block */ __vector128 *vxrs; /* Vector register save area */ -#endif }; /* Flag to disable transactions. */ @@ -181,11 +164,7 @@ struct task_struct; struct mm_struct; struct seq_file; -#ifdef CONFIG_64BIT -extern void show_cacheinfo(struct seq_file *m); -#else -static inline void show_cacheinfo(struct seq_file *m) { } -#endif +void show_cacheinfo(struct seq_file *m); /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); @@ -229,11 +208,7 @@ static inline void psw_set_key(unsigned int key) */ static inline void __load_psw(psw_t psw) { -#ifndef CONFIG_64BIT - asm volatile("lpsw %0" : : "Q" (psw) : "cc"); -#else asm volatile("lpswe %0" : : "Q" (psw) : "cc"); -#endif } /* @@ -247,22 +222,12 @@ static inline void __load_psw_mask (unsigned long mask) psw.mask = mask; -#ifndef CONFIG_64BIT - asm volatile( - " basr %0,0\n" - "0: ahi %0,1f-0b\n" - " st %0,%O1+4(%R1)\n" - " lpsw %1\n" - "1:" - : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#else /* CONFIG_64BIT */ asm volatile( " larl %0,1f\n" " stg %0,%O1+8(%R1)\n" " lpswe %1\n" "1:" : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#endif /* CONFIG_64BIT */ } /* @@ -270,20 +235,12 @@ static inline void __load_psw_mask (unsigned long mask) */ static inline unsigned long __rewind_psw(psw_t psw, unsigned long ilc) { -#ifndef CONFIG_64BIT - if (psw.addr & PSW_ADDR_AMODE) - /* 31 bit mode */ - return (psw.addr - ilc) | PSW_ADDR_AMODE; - /* 24 bit mode */ - return (psw.addr - ilc) & ((1UL << 24) - 1); -#else unsigned long mask; mask = (psw.mask & PSW_MASK_EA) ? -1UL : (psw.mask & PSW_MASK_BA) ? (1UL << 31) - 1 : (1UL << 24) - 1; return (psw.addr - ilc) & mask; -#endif } /* @@ -305,26 +262,6 @@ static inline void __noreturn disabled_wait(unsigned long code) * Store status and then load disabled wait psw, * the processor is dead afterwards */ -#ifndef CONFIG_64BIT - asm volatile( - " stctl 0,0,0(%2)\n" - " ni 0(%2),0xef\n" /* switch off protection */ - " lctl 0,0,0(%2)\n" - " stpt 0xd8\n" /* store timer */ - " stckc 0xe0\n" /* store clock comparator */ - " stpx 0x108\n" /* store prefix register */ - " stam 0,15,0x120\n" /* store access registers */ - " std 0,0x160\n" /* store f0 */ - " std 2,0x168\n" /* store f2 */ - " std 4,0x170\n" /* store f4 */ - " std 6,0x178\n" /* store f6 */ - " stm 0,15,0x180\n" /* store general registers */ - " stctl 0,15,0x1c0\n" /* store control registers */ - " oi 0x1c0,0x10\n" /* fake protection bit */ - " lpsw 0(%1)" - : "=m" (ctl_buf) - : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc"); -#else /* CONFIG_64BIT */ asm volatile( " stctg 0,0,0(%2)\n" " ni 4(%2),0xef\n" /* switch off protection */ @@ -357,7 +294,6 @@ static inline void __noreturn disabled_wait(unsigned long code) " lpswe 0(%1)" : "=m" (ctl_buf) : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0", "1"); -#endif /* CONFIG_64BIT */ while (1); } |