arm/armv/cpufunc-v7.s

51 	mrc	p15, 0, r2, c0, c0, 5	@ get MPIDR
52 	cmp	r2, #0
99 	mov r2, #0
100 	mcr p15, 0, r2, c7, c5, 6 	@ BPIALL
119 	mrc	p15, 0, r2, c0, c0, 5	@ get MPIDR
120 	cmp	r2, #0
146 	mrc	p15, 1, r2, c0, c0, 0	@ read CCSIDR
147 	and	r2, r2, #7		@ get line size (log2(size)-4, 0=16)
149 	lsl	r2, ip, r2		@ and shift into position
150 	sub	ip, r2, #1		@ make into a mask
157 	add	r0, r0, r2
158 	subs	r1, r1, r2
188 	mrc	p15, 1, r2, c0, c0, 0	@ read CCSIDR
189 	and	r2, r2, #7		@ get line size (log2(size)-4, 0=16)
191 	lsl	r2, ip, r2		@ and shift into position
192 	sub	ip, r2, #1		@ make into a mask
199 	add	r0, r0, r2
200 	subs	r1, r1, r2
208 	mrc	p15, 1, r2, c0, c0, 0	@ read CCSIDR
209 	and	r2, r2, #7		@ get line size (log2(size)-4, 0=16)
211 	lsl	r2, ip, r2		@ and shift into position
212 	sub	ip, r2, #1		@ make into a mask
219 	add	r0, r0, r2
220 	subs	r1, r1, r2
228 	mrc	p15, 1, r2, c0, c0, 0	@ read CCSIDR
229 	and	r2, r2, #7		@ get line size (log2(size)-4, 0=16)
231 	lsl	r2, ip, r2		@ and shift into position
232 	sub	ip, r2, #1		@ make into a mask
238 	add	r0, r0, r2
239 	subs	r1, r1, r2
249 	mrc	p15, 1, r2, c0, c0, 0	@ read CCSIDR
250 	and	r2, r2, #7		@ get line size (log2(size)-4, 0=16)
252 	lsl	r2, ip, r2		@ and shift into position
253 	sub	ip, r2, #1		@ make into a mask
261 	add	r0, r0, r2
262 	subs	r1, r1, r2
292 	ubfx	r2, r0, #13, #15	@ get num sets - 1 from CCSIDR
301 	lsl	r2, r2, r0		@ shift sets by log2(linesize)
302 	add	r3, r3, r2		@ merge numsets - 1 with numways - 1
303 	sub	ip, ip, r2		@ subtract numsets - 1 from way decr
306 	mov	r2, ip			@ r2 now contains set way decr
308 	/* r3 = ways/sets, r2 = way decr, r1 = set decr, r0 and ip are free */
314 	subeq	r3, r3, r2		@ zero?, decrement way # and restore set count
333 	add	r2, r3, r3, lsr #1	@ r2 = level * 3 / 2
334 	mov	r1, r0, lsr r2		@ r1 = cache type
345 	ubfx	r2, r0, #13, #15	@ get numsets - 1 from CCSIDR
346 	lsl	r2, r2, ip		@ shift to set position
347 	orr	r3, r3, r2		@ merge set into way/set/level
352 	clz	r2, ip			@ number of bits to MSB of way
353 	lsl	ip, ip, r2		@ shift by that into way position
355 	lsl	r2, r0, r2		@ r2 now contains the way decr
359 	sub	r2, r2, r0		@ subtract from way decr
361 	/* r3 = ways/sets/level, r2 = way decr, r1 = set decr, r0 and ip are free */
368 	subeq	r3, r3, r2		@ zero?, decrement way # and restore set count
396 	add	r2, r3, r3, lsr #1	@ r2 = level * 3 / 2
397 	mov	r1, r0, lsr r2		@ r1 = cache type
408 	ubfx	r2, r0, #13, #15	@ get numsets - 1 from CCSIDR
409 	lsl	r2, r2, ip		@ shift to set position
410 	orr	r3, r3, r2		@ merge set into way/set/level
415 	clz	r2, ip			@ number of bits to MSB of way
416 	lsl	ip, ip, r2		@ shift by that into way position
418 	lsl	r2, r0, r2		@ r2 now contains the way decr
422 	sub	r2, r2, r0		@ subtract from way decr
424 	/* r3 = ways/sets/level, r2 = way decr, r1 = set decr, r0 and ip are free */
431 	subeq	r3, r3, r2		@ zero?, decrement way # and restore set count