fbdev/core/cfbcopyarea.c

47 		const unsigned long __iomem *src, unsigned src_idx, int bits,
58 	memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
59 		(char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
64 	last = ~fb_shifted_pixels_mask_long(p, (dst_idx+n) % bits, bswapmask);
69 		if (dst_idx+n <= bits) {
77 			// Leading bits
82 				n -= bits - dst_idx;
86 			n /= bits;
101 			// Trailing bits
110 		int const left = shift & (bits - 1);
111 		int const right = -shift & (bits - 1);
113 		if (dst_idx+n <= bits) {
122 			} else if (src_idx+n <= bits) {
142 			// Leading bits
147 				n -= bits - dst_idx;
154 				n -= bits - dst_idx;
162 			m = n % bits;
163 			n /= bits;
188 			// Trailing bits
190 				if (m <= bits - right) {
213 		const unsigned long __iomem *src, unsigned src_idx, int bits,
224 	memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
225 		(char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
229 	dst += (dst_idx + n - 1) / bits;
230 	src += (src_idx + n - 1) / bits;
231 	dst_idx = (dst_idx + n - 1) % bits;
232 	src_idx = (src_idx + n - 1) % bits;
236 	first = ~fb_shifted_pixels_mask_long(p, (dst_idx + 1) % bits, bswapmask);
237 	last = fb_shifted_pixels_mask_long(p, (bits + dst_idx + 1 - n) % bits, bswapmask);
250 			// Leading bits
259 			n /= bits;
274 			// Trailing bits
283 		int const left = shift & (bits-1);
284 		int const right = -shift & (bits-1);
315 			// Leading bits
336 			m = n % bits;
337 			n /= bits;
362 			// Trailing bits
364 				if (m <= bits - left) {
387 	int bits = BITS_PER_LONG, bytes = bits >> 3;
420 			bitcpy_rev(p, base + (dst_idx / bits), dst_idx % bits,
421 				base + (src_idx / bits), src_idx % bits, bits,
426 			bitcpy(p, base + (dst_idx / bits), dst_idx % bits,
427 				base + (src_idx / bits), src_idx % bits, bits,