Lines Matching +full:pre +full:- +full:boot

2  * Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
11  * Important notes about in-place decompression
21  * The worst case for in-place decompression is that the beginning of
23  * incompressible. Thus, we must look for worst-case expansion when the
31  *      Block Header (8-12)
33  *      Block Padding (0-3)
35  *    Index (8-20)
39  * 2-4 Blocks just in case. Because Stream Header and also Block Header
74  *   - 128 bytes for the .xz file format headers;
75  *   - 8 bytes per every 32 KiB of uncompressed size (one LZMA2 chunk header
77  *   - 64 KiB (biggest possible LZMA2 chunk payload size) to make sure that
86  * For comparison, according to arch/x86/boot/compressed/misc.c, the
91  * Thus, when updating Deflate-only in-place kernel decompressor to
98  * decompression (pre-boot code). <linux/decompress/mm.h> will define
122  * For boot time use, we enable only the BCJ filter of the current
150  * when XZ_DYNALLOC is used, but the pre-boot free() doesn't support it.
163  * FIXME: Not all basic memory functions are provided in architecture-specific
168  * is fast enough. memcpy/memmove speed matters in multi-call mode, but
169  * the kernel image is decompressed in single-call mode, in which only
215 		while (i-- > 0)  in memmove()
240 /* Size of the input and output buffers in multi-call mode */
246  * This wrapper will automatically choose single-call or multi-call mode
247  * of the native XZ decoder API. The single-call mode can be used only when
272 		s = xz_dec_init(XZ_DYNALLOC, (uint32_t)-1);  in unxz()
279 		b.out_size = (size_t)-1;  in unxz()
356 		/* This can occur only in multi-call mode. */  in unxz()
371 		error("XZ-compressed data is corrupt");  in unxz()
379 	return -1;  in unxz()
390 	return -1;  in unxz()
394  * This macro is used by architecture-specific files to decompress