void atafb_iplan2p8_copyarea(struct fb_info *info, u_long next_line, int sy, int sx, int dy, int dx, int height, int width) { u8 *src, *dst; u32 *s, *d; int w, l , i, j; u_int colsize; u_int upwards = (dy < sy) || (dy == sy && dx < sx); colsize = height; if (!((sx ^ dx) & 15)) { if (upwards) { src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL); dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL); if (sx & 15) { memmove32_col(dst, src, 0xff00ff, height, next_line - BPL * 2); src += BPL * 2; dst += BPL * 2; width -= 8; } w = width >> 4; if (w) { s = (u32 *)src; d = (u32 *)dst; w *= BPL / 2; l = next_line - w * 4; for (j = height; j > 0; j--) { for (i = w; i > 0; i--) *d++ = *s++; s = (u32 *)((u8 *)s + l); d = (u32 *)((u8 *)d + l); } } if (width & 15) memmove32_col(dst + width / (8 / BPL), src + width / (8 / BPL), 0xff00ff00, height, next_line - BPL * 2); } else { src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL); dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL); if ((sx + width) & 15) { src -= BPL * 2; dst -= BPL * 2; memmove32_col(dst, src, 0xff00ff00, colsize, -next_line - BPL * 2); width -= 8; } w = width >> 4; if (w) { s = (u32 *)src; d = (u32 *)dst; w *= BPL / 2; l = next_line - w * 4; for (j = height; j > 0; j--) { for (i = w; i > 0; i--) *--d = *--s; s = (u32 *)((u8 *)s - l); d = (u32 *)((u8 *)d - l); } } if (sx & 15) memmove32_col(dst - (width - 16) / (8 / BPL), src - (width - 16) / (8 / BPL), 0xff00ff, colsize, -next_line - BPL * 2); } } else {
void atafb_iplan2p4_copyarea(struct fb_info *info, u_long next_line, int sy, int sx, int dy, int dx, int height, int width) { /* bmove() has to distinguish two major cases: If both, source and * destination, start at even addresses or both are at odd * addresses, just the first odd and last even column (if present) * require special treatment (memmove_col()). The rest between * then can be copied by normal operations, because all adjacent * bytes are affected and are to be stored in the same order. * The pathological case is when the move should go from an odd * address to an even or vice versa. Since the bytes in the plane * words must be assembled in new order, it seems wisest to make * all movements by memmove_col(). */ u8 *src, *dst; u32 *s, *d; int w, l , i, j; u_int colsize; u_int upwards = (dy < sy) || (dy == sy && dx < sx); colsize = height; if (!((sx ^ dx) & 15)) { /* odd->odd or even->even */ if (upwards) { src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL); dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL); if (sx & 15) { memmove32_col(dst, src, 0xff00ff, height, next_line - BPL * 2); src += BPL * 2; dst += BPL * 2; width -= 8; } w = width >> 4; if (w) { s = (u32 *)src; d = (u32 *)dst; w *= BPL / 2; l = next_line - w * 4; for (j = height; j > 0; j--) { for (i = w; i > 0; i--) *d++ = *s++; s = (u32 *)((u8 *)s + l); d = (u32 *)((u8 *)d + l); } } if (width & 15) memmove32_col(dst + width / (8 / BPL), src + width / (8 / BPL), 0xff00ff00, height, next_line - BPL * 2); } else { src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL); dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL); if ((sx + width) & 15) { src -= BPL * 2; dst -= BPL * 2; memmove32_col(dst, src, 0xff00ff00, colsize, -next_line - BPL * 2); width -= 8; } w = width >> 4; if (w) { s = (u32 *)src; d = (u32 *)dst; w *= BPL / 2; l = next_line - w * 4; for (j = height; j > 0; j--) { for (i = w; i > 0; i--) *--d = *--s; s = (u32 *)((u8 *)s - l); d = (u32 *)((u8 *)d - l); } } if (sx & 15) memmove32_col(dst - (width - 16) / (8 / BPL), src - (width - 16) / (8 / BPL), 0xff00ff, colsize, -next_line - BPL * 2); } } else {