28 bitcpy(struct fb_info *p, unsigned long *dst, unsigned dst_idx,  in bitcpy()  argument
32 	int const shift = dst_idx-src_idx;  in bitcpy()
35 	first = FB_SHIFT_HIGH(p, ~0UL, dst_idx);  in bitcpy()
36 	last = ~(FB_SHIFT_HIGH(p, ~0UL, (dst_idx+n) % bits));  in bitcpy()
40 		if (dst_idx+n <= bits) {  in bitcpy()
52 				n -= bits - dst_idx;  in bitcpy()
83 		if (dst_idx+n <= bits) {  in bitcpy()
114 				n -= bits - dst_idx;  in bitcpy()
122 				n -= bits - dst_idx;  in bitcpy()
170 bitcpy_rev(struct fb_info *p, unsigned long *dst, unsigned dst_idx,  in bitcpy_rev()  argument
177 	dst += (dst_idx + n - 1) / bits;  in bitcpy_rev()
179 	dst_idx = (dst_idx + n - 1) % bits;  in bitcpy_rev()
182 	shift = dst_idx-src_idx;  in bitcpy_rev()
184 	first = ~FB_SHIFT_HIGH(p, ~0UL, (dst_idx + 1) % bits);  in bitcpy_rev()
185 	last = FB_SHIFT_HIGH(p, ~0UL, (bits + dst_idx + 1 - n) % bits);  in bitcpy_rev()
189 		if ((unsigned long)dst_idx+1 >= n) {  in bitcpy_rev()
202 				n -= dst_idx+1;  in bitcpy_rev()
230 		if ((unsigned long)dst_idx+1 >= n) {  in bitcpy_rev()
273 			n -= dst_idx+1;  in bitcpy_rev()
322 	unsigned dst_idx = 0, src_idx = 0, rev_copy = 0;  in sys_copyarea()  local
338 	dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1));  in sys_copyarea()
340 	dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel;  in sys_copyarea()
348 			dst_idx -= bits_per_line;  in sys_copyarea()
350 			bitcpy_rev(p, base + (dst_idx / bits), dst_idx % bits,  in sys_copyarea()
356 			bitcpy(p, base + (dst_idx / bits), dst_idx % bits,  in sys_copyarea()
359 			dst_idx += bits_per_line;  in sys_copyarea()