memcpy.c File Reference

#include "memcpy.h"

Go to the source code of this file.

Macros
#define	s_space   "%%sr0"
#define	d_space   "%%sr0"
#define	pa_memcpy   new2_copy
#define	preserve_branch(label)
#define	get_user_space()   (segment_eq(get_fs(), KERNEL_DS) ? 0 : mfsp(3))
#define	get_kernel_space()   (0)
#define	MERGE(w0, sh_1, w1, sh_2)
#define	THRESHOLD   16
#define	DPRINTF(fmt, args...)
#define	def_load_ai_insn(_insn, _sz, _tt, _s, _a, _t, _e)
#define	def_store_ai_insn(_insn, _sz, _tt, _s, _a, _t, _e)
#define	ldbma(_s, _a, _t, _e)   def_load_ai_insn(ldbs,1,"=r",_s,_a,_t,_e)
#define	stbma(_s, _t, _a, _e)   def_store_ai_insn(stbs,1,"r",_s,_a,_t,_e)
#define	ldwma(_s, _a, _t, _e)   def_load_ai_insn(ldw,4,"=r",_s,_a,_t,_e)
#define	stwma(_s, _t, _a, _e)   def_store_ai_insn(stw,4,"r",_s,_a,_t,_e)
#define	flddma(_s, _a, _t, _e)   def_load_ai_insn(fldd,8,"=f",_s,_a,_t,_e)
#define	fstdma(_s, _t, _a, _e)   def_store_ai_insn(fstd,8,"f",_s,_a,_t,_e)
#define	def_load_insn(_insn, _tt, _s, _o, _a, _t, _e)
#define	def_store_insn(_insn, _tt, _s, _t, _o, _a, _e)
#define	ldw(_s, _o, _a, _t, _e)   def_load_insn(ldw,"=r",_s,_o,_a,_t,_e)
#define	stw(_s, _t, _o, _a, _e)   def_store_insn(stw,"r",_s,_t,_o,_a,_e)
#define	prefetch_src(addr)   do { } while(0)
#define	prefetch_dst(addr)   do { } while(0)

Functions
	DECLARE_PER_CPU (struct exception_data, exception_data)

Macro Definition Documentation

#define d_space   "%%sr0"

Definition at line 64 of file memcpy.c.

#define def_load_ai_insn	(		_insn,
			_sz,
			_tt,
			_s,
			_a,
			_t,
			_e
	)

Value:

__asm__ __volatile__ (              \
    "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n\t" \
    ASM_EXCEPTIONTABLE_ENTRY(1b,_e)         \
    : _tt(_t), "+r"(_a)             \
    :                       \
    : "r8")

Definition at line 99 of file memcpy.c.

#define def_load_insn	(		_insn,
			_tt,
			_s,
			_o,
			_a,
			_t,
			_e
	)

Value:

__asm__ __volatile__ (              \
    "1:\t" #_insn " " #_o "(" _s ",%1), %0\n\t" \
    ASM_EXCEPTIONTABLE_ENTRY(1b,_e)         \
    : _tt(_t)                   \
    : "r"(_a)                   \
    : "r8")

Definition at line 122 of file memcpy.c.

#define def_store_ai_insn	(		_insn,
			_sz,
			_tt,
			_s,
			_a,
			_t,
			_e
	)

Value:

__asm__ __volatile__ (              \
    "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n\t" \
    ASM_EXCEPTIONTABLE_ENTRY(1b,_e)         \
    : "+r"(_a)                  \
    : _tt(_t)                   \
    : "r8")

Definition at line 107 of file memcpy.c.

#define def_store_insn	(		_insn,
			_tt,
			_s,
			_t,
			_o,
			_a,
			_e
	)

Value:

__asm__ __volatile__ (              \
    "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n\t"     \
    ASM_EXCEPTIONTABLE_ENTRY(1b,_e)         \
    :                       \
    : _tt(_t), "r"(_a)              \
    : "r8")

Definition at line 130 of file memcpy.c.

#define DPRINTF	(		fmt,
			args...
	)

Definition at line 96 of file memcpy.c.

#define flddma	(		_s,
			_a,
			_t,
			_e
	)		def_load_ai_insn(fldd,8,"=f",_s,_a,_t,_e)

Definition at line 119 of file memcpy.c.

#define fstdma	(		_s,
			_t,
			_a,
			_e
	)		def_store_ai_insn(fstd,8,"f",_s,_a,_t,_e)

Definition at line 120 of file memcpy.c.

#define get_kernel_space

(

)

(0)

Definition at line 79 of file memcpy.c.

#define get_user_space

(

)

(segment_eq(get_fs(), KERNEL_DS) ? 0 : mfsp(3))

Definition at line 78 of file memcpy.c.

#define ldbma	(		_s,
			_a,
			_t,
			_e
	)		def_load_ai_insn(ldbs,1,"=r",_s,_a,_t,_e)

Definition at line 115 of file memcpy.c.

#define ldw	(		_s,
			_o,
			_a,
			_t,
			_e
	)		def_load_insn(ldw,"=r",_s,_o,_a,_t,_e)

Definition at line 138 of file memcpy.c.

#define ldwma	(		_s,
			_a,
			_t,
			_e
	)		def_load_ai_insn(ldw,4,"=r",_s,_a,_t,_e)

Definition at line 117 of file memcpy.c.

#define MERGE	(		w0,
			sh_1,
			w1,
			sh_2
	)

Value:

({                  \
    unsigned int _r;                        \
    asm volatile (                          \
    "mtsar %3\n"                            \
    "shrpw %1, %2, %%sar, %0\n"                 \
    : "=r"(_r)                          \
    : "r"(w0), "r"(w1), "r"(sh_2)                   \
    );                              \
    _r;                             \
})

Definition at line 81 of file memcpy.c.

#define pa_memcpy   new2_copy

Definition at line 65 of file memcpy.c.

#define prefetch_dst

(

addr

)

do { } while(0)

Definition at line 153 of file memcpy.c.

#define prefetch_src

(

addr

)

do { } while(0)

Definition at line 152 of file memcpy.c.

#define preserve_branch

(

label

)

Value:

do {                    \
    volatile int dummy;                     \
    /* The following branch is never taken, it's just here to  */   \
    /* prevent gcc from optimizing away our exception code. */  \
    if (unlikely(dummy != dummy))                   \
        goto label;                     \
} while (0)

Definition at line 70 of file memcpy.c.

#define s_space   "%%sr0"

Definition at line 63 of file memcpy.c.

#define stbma	(		_s,
			_t,
			_a,
			_e
	)		def_store_ai_insn(stbs,1,"r",_s,_a,_t,_e)

Definition at line 116 of file memcpy.c.

#define stw	(		_s,
			_t,
			_o,
			_a,
			_e
	)		def_store_insn(stw,"r",_s,_t,_o,_a,_e)

Definition at line 139 of file memcpy.c.

#define stwma	(		_s,
			_t,
			_a,
			_e
	)		def_store_ai_insn(stw,4,"r",_s,_a,_t,_e)

Definition at line 118 of file memcpy.c.

#define THRESHOLD   16

Definition at line 91 of file memcpy.c.

Function Documentation

DECLARE_PER_CPU	(	struct exception_data	,
		exception_data
	)