Support xz compression on yeeloong.
* Makefile.util.def (grub-mkimage): Add $(LIBLZMA). * configure.ac: Check for LZMA. * grub-core/Makefile.core.def (xz_decompress): New target. (none_decompress): Likewise. * grub-core/boot/decompressor/minilib.c: New file. * grub-core/boot/decompressor/none.c: Likewise. * grub-core/boot/decompressor/xz.c: Likewise. * grub-core/kern/mips/cache.S: Change to noreorder nomacro. * grub-core/kern/mips/cache_flush.S: Likewise. * grub-core/kern/i386/pc/lzma_decode.S: Remove dead code. * grub-core/kern/mips/startup.S: Move first stage to ... * grub-core/boot/mips/startup_raw.S: ...here. Change to noreorder nomacro. * grub-core/kern/mips/startup.S: Change to noreorder nomacro. * grub-core/lib/mips/relocator_asm.S: Change to noreorder nomacro. * grub-core/lib/xzembed/xz_dec_bcj.c [GRUB_EMBED_DECOMPRESSOR]: Allocate statically. * grub-core/lib/xzembed/xz_dec_lzma2.c [GRUB_EMBED_DECOMPRESSOR]: Allocate statically or use scratch. Don't check CRC32. * grub-core/lib/xzembed/xz_dec_stream.c [GRUB_EMBED_DECOMPRESSOR]: Allocate statically. Don't check CRC32. * include/grub/decompressor.h: New file. * include/grub/offsets.h (GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE): Removed. (GRUB_KERNEL_MIPS_YEELOONG_UNCOMPRESSED_SIZE): New field. (GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE): Adjusted. (GRUB_KERNEL_MIPS_YEELOONG_PREFIX): Likewise. (GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END): Likewise. (GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE): New define. * util/grub-mkimage.c (grub_compression_t): New type. (PLATFORM_FLAGS_DECOMPRESSORS): New flag. (image_target_desc): New field default_compression. (image_targets): Adjust yeeloong targets. (compress_kernel_xz) [HAVE_LIBLZMA]: New function. (compress_kernel): New parameter comp. (generate_image): Likewise. Handle new compression case. (options): New option --compression (help): Likewise. (main): Handle new option.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
commit
6d0fa83c79
19 changed files with 812 additions and 233 deletions
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@ -290,6 +290,38 @@ image = {
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enable = i386_pc;
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};
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image = {
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name = xz_decompress;
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mips = boot/mips/startup_raw.S;
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common = boot/decompressor/minilib.c;
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common = boot/decompressor/xz.c;
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common = lib/xzembed/xz_dec_bcj.c;
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common = lib/xzembed/xz_dec_lzma2.c;
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common = lib/xzembed/xz_dec_stream.c;
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cppflags = '-I$(srcdir)/lib/posix_wrap -I$(srcdir)/lib/xzembed';
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mips_cppflags = '-I$(srcdir)/lib/posix_wrap -I$(srcdir)/lib/xzembed -DGRUB_EMBED_DECOMPRESSOR=1 -DGRUB_MACHINE_LINK_ADDR=0x80200000';
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objcopyflags = '-O binary';
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ldflags = '-lgcc -static-libgcc -Wl,-Ttext,0x80100000';
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cflags = '-static-libgcc';
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enable = mips;
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};
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image = {
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name = none_decompress;
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mips = boot/mips/startup_raw.S;
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common = boot/decompressor/none.c;
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mips_cppflags = '-DGRUB_EMBED_DECOMPRESSOR=1 -DGRUB_MACHINE_LINK_ADDR=0x80200000';
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objcopyflags = '-O binary';
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ldflags = '-lgcc -static-libgcc -Wl,-Ttext,0x80100000';
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cflags = '-static-libgcc';
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enable = mips;
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};
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image = {
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name = fwstart;
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mips_yeeloong = boot/mips/yeeloong/fwstart.S;
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102
grub-core/boot/decompressor/minilib.c
Normal file
102
grub-core/boot/decompressor/minilib.c
Normal file
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@ -0,0 +1,102 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/decompressor.h>
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void *
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memset (void *s, int c, grub_size_t len)
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{
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grub_uint8_t *ptr;
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for (ptr = s; len; ptr++, len--)
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*ptr = c;
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return s;
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}
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void *
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grub_memmove (void *dest, const void *src, grub_size_t n)
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{
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char *d = (char *) dest;
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const char *s = (const char *) src;
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if (d < s)
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while (n--)
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*d++ = *s++;
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else
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{
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d += n;
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s += n;
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while (n--)
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*--d = *--s;
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}
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return dest;
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}
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int
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grub_memcmp (const void *s1, const void *s2, grub_size_t n)
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{
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const char *t1 = s1;
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const char *t2 = s2;
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while (n--)
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{
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if (*t1 != *t2)
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return (int) *t1 - (int) *t2;
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t1++;
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t2++;
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}
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return 0;
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}
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int memcmp (const void *s1, const void *s2, grub_size_t n)
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__attribute__ ((alias ("grub_memcmp")));
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void *memmove (void *dest, const void *src, grub_size_t n)
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__attribute__ ((alias ("grub_memmove")));
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void *memcpy (void *dest, const void *src, grub_size_t n)
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__attribute__ ((alias ("grub_memmove")));
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void *grub_decompressor_scratch;
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void
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find_scratch (void *src, void *dst, unsigned long srcsize,
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unsigned long dstsize)
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{
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#ifdef _mips
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/* Decoding from ROM. */
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if (((grub_addr_t) src & 0x10000000))
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{
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grub_decompressor_scratch = (void *) ALIGN_UP((grub_addr_t) dst + dstsize,
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256);
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return;
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}
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#endif
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if ((char *) src + srcsize > (char *) dst + dstsize)
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grub_decompressor_scratch = (void *) ALIGN_UP ((grub_addr_t) src + srcsize,
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256);
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else
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grub_decompressor_scratch = (void *) ALIGN_UP ((grub_addr_t) dst + dstsize,
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256);
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return;
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}
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39
grub-core/boot/decompressor/none.c
Normal file
39
grub-core/boot/decompressor/none.c
Normal file
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@ -0,0 +1,39 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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||||
* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/decompressor.h>
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void
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grub_decompress_core (void *src, void *dest, unsigned long n,
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unsigned long dstsize __attribute__ ((unused)))
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{
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char *d = (char *) dest;
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const char *s = (const char *) src;
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if (d < s)
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while (n--)
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*d++ = *s++;
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else
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{
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d += n;
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s += n;
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while (n--)
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*--d = *--s;
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}
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}
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60
grub-core/boot/decompressor/xz.c
Normal file
60
grub-core/boot/decompressor/xz.c
Normal file
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@ -0,0 +1,60 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GRUB is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
* GNU General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU General Public License
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||||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/decompressor.h>
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#include "xz.h"
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#include "xz_stream.h"
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void
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grub_decompress_core (void *src, void *dst, unsigned long srcsize,
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unsigned long dstsize)
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{
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struct xz_dec *dec;
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struct xz_buf buf;
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find_scratch (src, dst, srcsize, dstsize);
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dec = xz_dec_init (GRUB_DECOMPRESSOR_DICT_SIZE);
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buf.in = src;
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buf.in_pos = 0;
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buf.in_size = srcsize;
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buf.out = dst;
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buf.out_pos = 0;
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buf.out_size = dstsize;
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while (buf.in_pos != buf.in_size)
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{
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enum xz_ret xzret;
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xzret = xz_dec_run (dec, &buf);
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switch (xzret)
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{
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case XZ_MEMLIMIT_ERROR:
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case XZ_FORMAT_ERROR:
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case XZ_OPTIONS_ERROR:
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case XZ_DATA_ERROR:
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case XZ_BUF_ERROR:
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return;
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default:
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break;
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}
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}
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}
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187
grub-core/boot/mips/startup_raw.S
Normal file
187
grub-core/boot/mips/startup_raw.S
Normal file
|
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@ -0,0 +1,187 @@
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/* startup.S - Startup code for the MIPS. */
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/*
|
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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||||
* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GRUB is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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|
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#include <grub/symbol.h>
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#include <grub/offsets.h>
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#include <grub/machine/memory.h>
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#include <grub/offsets.h>
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#define BASE_ADDR 8
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.extern __bss_start
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.extern _end
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.globl __start, _start, start
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.set noreorder
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.set nomacro
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__start:
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_start:
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start:
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bal codestart
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nop
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base:
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. = _start + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
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compressed_size:
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.long 0
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. = _start + GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE
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uncompressed_size:
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.long 0
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codestart:
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/* Save our base. */
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move $s0, $ra
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/* Parse arguments. Has to be done before relocation.
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So need to do it in asm. */
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#ifdef GRUB_MACHINE_MIPS_YEELOONG
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move $s2, $zero
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move $s3, $zero
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move $s4, $zero
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||||
move $s5, $zero
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|
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/* $a2 has the environment. */
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addiu $t0, $a2, 1
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beq $t0, $zero, argdone
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nop
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move $t0, $a2
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argcont:
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lw $t1, 0($t0)
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beq $t1, $zero, argdone
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nop
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||||
#define DO_PARSE(str, reg) \
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addiu $t2, $s0, (str-base);\
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bal parsestr;\
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nop ;\
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||||
beq $v0, $zero, 1f;\
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nop ;\
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b 2f;\
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move reg, $v0; \
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1:
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DO_PARSE (busclockstr, $s2)
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DO_PARSE (cpuclockstr, $s3)
|
||||
DO_PARSE (memsizestr, $s4)
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||||
DO_PARSE (highmemsizestr, $s5)
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||||
2:
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||||
b argcont
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||||
addiu $t0, $t0, 4
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||||
parsestr:
|
||||
move $v0, $zero
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||||
move $t3, $t1
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||||
3:
|
||||
lb $t4, 0($t2)
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||||
lb $t5, 0($t3)
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||||
addiu $t2, $t2, 1
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||||
addiu $t3, $t3, 1
|
||||
beq $t5, $zero, 1f
|
||||
nop
|
||||
beq $t5, $t4, 3b
|
||||
nop
|
||||
bne $t4, $zero, 1f
|
||||
nop
|
||||
|
||||
addiu $t3, $t3, 0xffff
|
||||
digcont:
|
||||
lb $t5, 0($t3)
|
||||
/* Substract '0' from digit. */
|
||||
addiu $t5, $t5, 0xffd0
|
||||
bltz $t5, 1f
|
||||
nop
|
||||
addiu $t4, $t5, 0xfff7
|
||||
bgtz $t4, 1f
|
||||
nop
|
||||
/* Multiply $v0 by 10 with bitshifts. */
|
||||
sll $v0, $v0, 1
|
||||
sll $t4, $v0, 2
|
||||
addu $v0, $v0, $t4
|
||||
addu $v0, $v0, $t5
|
||||
addiu $t3, $t3, 1
|
||||
b digcont
|
||||
nop
|
||||
1:
|
||||
jr $ra
|
||||
nop
|
||||
busclockstr: .asciiz "busclock="
|
||||
cpuclockstr: .asciiz "cpuclock="
|
||||
memsizestr: .asciiz "memsize="
|
||||
highmemsizestr: .asciiz "highmemsize="
|
||||
.p2align 2
|
||||
argdone:
|
||||
#endif
|
||||
/* Copy the decompressor. */
|
||||
lui $t1, %hi(base)
|
||||
addiu $t1, $t1, %lo(base)
|
||||
lui $t3, %hi(__bss_start)
|
||||
addiu $t3, $t3, %lo(__bss_start)
|
||||
move $t2, $s0
|
||||
|
||||
1:
|
||||
beq $t1, $t3, 2f
|
||||
lb $t4, 0($t2)
|
||||
sb $t4, 0($t1)
|
||||
addiu $t1, $t1, 1
|
||||
b 1b
|
||||
addiu $t2, $t2, 1
|
||||
2:
|
||||
/* Clean out its BSS. */
|
||||
lui $t1, %hi(__bss_start)
|
||||
addiu $t1, $t1, %lo(__bss_start)
|
||||
lui $t2, %hi(_end)
|
||||
addiu $t2, $t2, %lo(_end)
|
||||
1:
|
||||
beq $t1, $t2, 2f
|
||||
nop
|
||||
sb $zero, 0($t1)
|
||||
b 1b
|
||||
addiu $t1, $t1, 1
|
||||
2:
|
||||
|
||||
/* Decompress the payload. */
|
||||
lui $a0, %hi(__bss_start)
|
||||
addiu $a0, $a0, %lo(__bss_start)
|
||||
lui $t0, %hi(base)
|
||||
addiu $t0, $t0, %lo(base)
|
||||
subu $a0, $a0, $t0
|
||||
addu $a0, $a0, $s0
|
||||
|
||||
lui $a1, %hi(GRUB_MACHINE_LINK_ADDR)
|
||||
addiu $a1, %lo(GRUB_MACHINE_LINK_ADDR)
|
||||
lw $a2, (GRUB_KERNEL_MACHINE_COMPRESSED_SIZE - BASE_ADDR)($s0)
|
||||
lw $a3, (GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE - BASE_ADDR)($s0)
|
||||
move $s1, $a1
|
||||
|
||||
/* $a0 contains source compressed address, $a1 is destination,
|
||||
$a2 is compressed size, $a3 is uncompressed size.
|
||||
*/
|
||||
move $s6, $a3
|
||||
|
||||
lui $sp, %hi(_start - 256)
|
||||
|
||||
bal EXT_C(grub_decompress_core)
|
||||
addiu $sp, $sp, %lo(_start - 256)
|
||||
|
||||
move $a0, $s1
|
||||
move $a1, $s6
|
||||
|
||||
#include "../../kern/mips/cache_flush.S"
|
||||
|
||||
lui $t1, %hi(GRUB_MACHINE_LINK_ADDR)
|
||||
addiu $t1, %lo(GRUB_MACHINE_LINK_ADDR)
|
||||
|
||||
jr $t1
|
||||
nop
|
||||
|
|
@ -77,69 +77,6 @@
|
|||
#define RepLenCoder (LenCoder + kNumLenProbs)
|
||||
#define Literal (RepLenCoder + kNumLenProbs)
|
||||
|
||||
|
||||
#if 0
|
||||
|
||||
DbgOut:
|
||||
pushf
|
||||
pushl %ebp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
pushl %edx
|
||||
pushl %ecx
|
||||
pushl %ebx
|
||||
pushl %eax
|
||||
|
||||
call _DebugPrint
|
||||
|
||||
popl %eax
|
||||
popl %ebx
|
||||
popl %ecx
|
||||
popl %edx
|
||||
popl %esi
|
||||
popl %edi
|
||||
popl %ebp
|
||||
popf
|
||||
|
||||
ret
|
||||
|
||||
|
||||
/*
|
||||
* int LzmaDecodeProperties(CLzmaProperties *propsRes,
|
||||
* const unsigned char *propsData,
|
||||
* int size);
|
||||
*/
|
||||
|
||||
_LzmaDecodePropertiesA:
|
||||
movb (%edx), %dl
|
||||
|
||||
xorl %ecx, %ecx
|
||||
1:
|
||||
cmpb $45, %dl
|
||||
jb 2f
|
||||
incl %ecx
|
||||
subb $45, %dl
|
||||
jmp 1b
|
||||
2:
|
||||
movl %ecx, 8(%eax) /* pb */
|
||||
xorl %ecx, %ecx
|
||||
1:
|
||||
cmpb $9, %dl
|
||||
jb 2f
|
||||
incl %ecx
|
||||
subb $9, %dl
|
||||
2:
|
||||
movl %ecx, 4(%eax) /* lp */
|
||||
movb %dl, %cl
|
||||
movl %ecx, (%eax) /* lc */
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef ASM_FILE
|
||||
xorl %eax, %eax
|
||||
#endif
|
||||
ret
|
||||
|
||||
#define out_size 8(%ebp)
|
||||
|
||||
#define now_pos -4(%ebp)
|
||||
|
|
|
|||
|
|
@ -1,6 +1,9 @@
|
|||
|
||||
#include <grub/symbol.h>
|
||||
|
||||
.set noreorder
|
||||
.set nomacro
|
||||
|
||||
FUNCTION (grub_cpu_flush_cache)
|
||||
FUNCTION (grub_arch_sync_caches)
|
||||
#include "cache_flush.S"
|
||||
|
|
|
|||
|
|
@ -9,15 +9,15 @@
|
|||
subu $t1, $t3, $t2
|
||||
1:
|
||||
cache 1, 0($t0)
|
||||
addiu $t0, $t0, 0x1
|
||||
addiu $t1, $t1, 0xffff
|
||||
bne $t1, $zero, 1b
|
||||
addiu $t0, $t0, 0x1
|
||||
sync
|
||||
move $t0, $t2
|
||||
subu $t1, $t3, $t2
|
||||
2:
|
||||
cache 0, 0($t0)
|
||||
addiu $t0, $t0, 0x1
|
||||
addiu $t1, $t1, 0xffff
|
||||
bne $t1, $zero, 2b
|
||||
addiu $t0, $t0, 0x1
|
||||
sync
|
||||
|
|
|
|||
|
|
@ -22,128 +22,23 @@
|
|||
#include <grub/machine/memory.h>
|
||||
#include <grub/offsets.h>
|
||||
|
||||
#define BASE_ADDR 8
|
||||
|
||||
.extern __bss_start
|
||||
.extern _end
|
||||
|
||||
#define BASE_ADDR 8
|
||||
|
||||
.globl __start, _start, start
|
||||
.set noreorder
|
||||
.set nomacro
|
||||
__start:
|
||||
_start:
|
||||
start:
|
||||
bal codestart
|
||||
base:
|
||||
. = _start + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
|
||||
compressed_size:
|
||||
.long 0
|
||||
. = _start + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
|
||||
start:
|
||||
.extern __bss_start
|
||||
.extern _end
|
||||
bal cont
|
||||
nop
|
||||
|
||||
. = _start + GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE
|
||||
total_module_size:
|
||||
.long 0
|
||||
. = _start + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE
|
||||
kernel_image_size:
|
||||
.long 0
|
||||
codestart:
|
||||
/* Save our base. */
|
||||
move $s0, $ra
|
||||
|
||||
/* Parse arguments. Has to be done before relocation.
|
||||
So need to do it in asm. */
|
||||
#ifdef GRUB_MACHINE_MIPS_YEELOONG
|
||||
move $s2, $zero
|
||||
move $s3, $zero
|
||||
move $s4, $zero
|
||||
move $s5, $zero
|
||||
|
||||
/* $a2 has the environment. */
|
||||
addiu $t0, $a2, 1
|
||||
beq $t0, $zero, argdone
|
||||
move $t0, $a2
|
||||
argcont:
|
||||
lw $t1, 0($t0)
|
||||
beq $t1, $zero, argdone
|
||||
#define DO_PARSE(str, reg) \
|
||||
addiu $t2, $s0, (str-base);\
|
||||
bal parsestr;\
|
||||
beq $v0, $zero, 1f;\
|
||||
move reg, $v0;\
|
||||
b 2f;\
|
||||
1:
|
||||
DO_PARSE (busclockstr, $s2)
|
||||
DO_PARSE (cpuclockstr, $s3)
|
||||
DO_PARSE (memsizestr, $s4)
|
||||
DO_PARSE (highmemsizestr, $s5)
|
||||
2:
|
||||
addiu $t0, $t0, 4
|
||||
b argcont
|
||||
parsestr:
|
||||
move $v0, $zero
|
||||
move $t3, $t1
|
||||
3:
|
||||
lb $t4, 0($t2)
|
||||
lb $t5, 0($t3)
|
||||
addiu $t2, $t2, 1
|
||||
addiu $t3, $t3, 1
|
||||
beq $t5, $zero, 1f
|
||||
beq $t5, $t4, 3b
|
||||
bne $t4, $zero, 1f
|
||||
|
||||
addiu $t3, $t3, 0xffff
|
||||
digcont:
|
||||
lb $t5, 0($t3)
|
||||
/* Substract '0' from digit. */
|
||||
addiu $t5, $t5, 0xffd0
|
||||
bltz $t5, 1f
|
||||
addiu $t4, $t5, 0xfff7
|
||||
bgtz $t4, 1f
|
||||
/* Multiply $v0 by 10 with bitshifts. */
|
||||
sll $v0, $v0, 1
|
||||
sll $t4, $v0, 2
|
||||
addu $v0, $v0, $t4
|
||||
addu $v0, $v0, $t5
|
||||
addiu $t3, $t3, 1
|
||||
b digcont
|
||||
1:
|
||||
jr $ra
|
||||
busclockstr: .asciiz "busclock="
|
||||
cpuclockstr: .asciiz "cpuclock="
|
||||
memsizestr: .asciiz "memsize="
|
||||
highmemsizestr: .asciiz "highmemsize="
|
||||
.p2align 2
|
||||
argdone:
|
||||
#endif
|
||||
|
||||
/* Decompress the payload. */
|
||||
addiu $a0, $s0, GRUB_KERNEL_MACHINE_RAW_SIZE - BASE_ADDR
|
||||
lui $a1, %hi(compressed)
|
||||
addiu $a1, %lo(compressed)
|
||||
lw $a2, (GRUB_KERNEL_MACHINE_COMPRESSED_SIZE - BASE_ADDR)($s0)
|
||||
move $s1, $a1
|
||||
|
||||
/* $a0 contains source compressed address, $a1 is destination,
|
||||
$a2 is compressed size. FIXME: put LZMA here. Don't clober $s0,
|
||||
$s1, $s2, $s3, $s4 and $s5.
|
||||
On return $v0 contains uncompressed size.
|
||||
*/
|
||||
move $v0, $a2
|
||||
reloccont:
|
||||
lb $t4, 0($a0)
|
||||
sb $t4, 0($a1)
|
||||
addiu $a1,$a1,1
|
||||
addiu $a0,$a0,1
|
||||
addiu $a2, 0xffff
|
||||
bne $a2, $0, reloccont
|
||||
|
||||
move $a0, $s1
|
||||
move $a1, $v0
|
||||
|
||||
#include "cache_flush.S"
|
||||
|
||||
lui $t1, %hi(cont)
|
||||
addiu $t1, %lo(cont)
|
||||
|
||||
jr $t1
|
||||
. = _start + GRUB_KERNEL_MACHINE_RAW_SIZE
|
||||
compressed:
|
||||
. = _start + GRUB_KERNEL_MACHINE_PREFIX
|
||||
|
||||
VARIABLE(grub_prefix)
|
||||
|
|
@ -166,6 +61,8 @@ VARIABLE (grub_arch_highmemsize)
|
|||
.long 0
|
||||
#endif
|
||||
cont:
|
||||
/* Save our base. */
|
||||
move $s0, $ra
|
||||
|
||||
#ifdef GRUB_MACHINE_MIPS_YEELOONG
|
||||
lui $t1, %hi(grub_arch_busclock)
|
||||
|
|
@ -177,15 +74,13 @@ cont:
|
|||
#endif
|
||||
|
||||
/* Move the modules out of BSS. */
|
||||
lui $t1, %hi(_start)
|
||||
addiu $t1, %lo(_start)
|
||||
lw $t2, (GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE - BASE_ADDR)($s0)
|
||||
addu $t2, $t1, $t2
|
||||
lui $t2, %hi(__bss_start)
|
||||
addiu $t2, %lo(__bss_start)
|
||||
|
||||
lui $t1, %hi(_end)
|
||||
addiu $t1, %lo(_end)
|
||||
addiu $t1, (GRUB_KERNEL_MACHINE_MOD_ALIGN-1)
|
||||
li $t3, (GRUB_KERNEL_MACHINE_MOD_ALIGN-1)
|
||||
addiu $t1, (GRUB_KERNEL_MACHINE_MOD_ALIGN - 1)
|
||||
li $t3, (GRUB_KERNEL_MACHINE_MOD_ALIGN - 1)
|
||||
nor $t3, $t3, $0
|
||||
and $t1, $t1, $t3
|
||||
|
||||
|
|
@ -194,33 +89,38 @@ cont:
|
|||
/* Backward copy. */
|
||||
add $t1, $t1, $t3
|
||||
add $t2, $t2, $t3
|
||||
addiu $t1, $t1, 0xffff
|
||||
addiu $t2, $t2, 0xffff
|
||||
addiu $t1, $t1, -1
|
||||
addiu $t2, $t2, -1
|
||||
|
||||
/* $t2 is source. $t1 is destination. $t3 is size. */
|
||||
modulesmovcont:
|
||||
beq $t3, $0, modulesmovdone
|
||||
nop
|
||||
lb $t4, 0($t2)
|
||||
sb $t4, 0($t1)
|
||||
addiu $t1,$t1,0xffff
|
||||
addiu $t2,$t2,0xffff
|
||||
addiu $t3, 0xffff
|
||||
bne $t3, $0, modulesmovcont
|
||||
addiu $t2, $t2, -1
|
||||
addiu $t1, $t1, -1
|
||||
b modulesmovcont
|
||||
addiu $t3, $t3, -1
|
||||
modulesmovdone:
|
||||
|
||||
/* Clean BSS. */
|
||||
|
||||
lui $t1, %hi(__bss_start)
|
||||
addiu $t1, %lo(__bss_start)
|
||||
addiu $t1, $t1, %lo(__bss_start)
|
||||
lui $t2, %hi(_end)
|
||||
addiu $t2, %lo(_end)
|
||||
addiu $t2, $t2, %lo(_end)
|
||||
bsscont:
|
||||
sb $0,0($t1)
|
||||
addiu $t1,$t1,1
|
||||
sltu $t3,$t1,$t2
|
||||
addiu $t1, $t1, 1
|
||||
sltu $t3, $t1, $t2
|
||||
bne $t3, $0, bsscont
|
||||
nop
|
||||
|
||||
li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH
|
||||
lui $t1, %hi(grub_main)
|
||||
addiu $t1, %lo(grub_main)
|
||||
|
||||
lui $sp, %hi(GRUB_MACHINE_MEMORY_STACK_HIGH)
|
||||
jr $t1
|
||||
addiu $sp, $sp, %lo(GRUB_MACHINE_MEMORY_STACK_HIGH)
|
||||
|
||||
|
|
|
|||
|
|
@ -20,6 +20,9 @@
|
|||
|
||||
.p2align 4 /* force 16-byte alignment */
|
||||
|
||||
.set noreorder
|
||||
.set nomacro
|
||||
|
||||
VARIABLE (grub_relocator_forward_start)
|
||||
move $a0, $9
|
||||
move $a1, $10
|
||||
|
|
@ -28,9 +31,9 @@ copycont1:
|
|||
lb $11,0($8)
|
||||
sb $11,0($9)
|
||||
addiu $8, $8, 1
|
||||
addiu $9, $9, 1
|
||||
addiu $10, $10, -1
|
||||
bne $10, $0, copycont1
|
||||
addiu $9, $9, 1
|
||||
|
||||
#include "../../kern/mips/cache_flush.S"
|
||||
|
||||
|
|
@ -49,9 +52,9 @@ copycont2:
|
|||
lb $11,0($8)
|
||||
sb $11,0($9)
|
||||
addiu $8, $8, -1
|
||||
addiu $9, $9, -1
|
||||
addiu $10, $10, -1
|
||||
bne $10, $0, copycont2
|
||||
addiu $9, $9, -1
|
||||
|
||||
#include "../../kern/mips/cache_flush.S"
|
||||
|
||||
|
|
|
|||
|
|
@ -520,9 +520,18 @@ enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s,
|
|||
return s->ret;
|
||||
}
|
||||
|
||||
#ifdef GRUB_EMBED_DECOMPRESSOR
|
||||
struct xz_dec_bcj bcj;
|
||||
#endif
|
||||
|
||||
struct xz_dec_bcj * xz_dec_bcj_create(bool single_call)
|
||||
{
|
||||
struct xz_dec_bcj *s = kmalloc(sizeof(*s), GFP_KERNEL);
|
||||
struct xz_dec_bcj *s;
|
||||
#ifdef GRUB_EMBED_DECOMPRESSOR
|
||||
s = &bcj;
|
||||
#else
|
||||
s = kmalloc(sizeof(*s), GFP_KERNEL);
|
||||
#endif
|
||||
if (s != NULL)
|
||||
s->single_call = single_call;
|
||||
|
||||
|
|
|
|||
|
|
@ -1100,10 +1100,16 @@ enum xz_ret xz_dec_lzma2_run(
|
|||
return XZ_OK;
|
||||
}
|
||||
|
||||
#ifdef GRUB_EMBED_DECOMPRESSOR
|
||||
#include <grub/decompressor.h>
|
||||
static struct xz_dec_lzma2 lzma2;
|
||||
#endif
|
||||
|
||||
struct xz_dec_lzma2 * xz_dec_lzma2_create(uint32_t dict_max)
|
||||
{
|
||||
struct xz_dec_lzma2 *s;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
/* Maximum supported dictionary by this implementation is 3 GiB. */
|
||||
if (dict_max > ((uint32_t)3 << 30))
|
||||
return NULL;
|
||||
|
|
@ -1120,6 +1126,11 @@ struct xz_dec_lzma2 * xz_dec_lzma2_create(uint32_t dict_max)
|
|||
}
|
||||
}
|
||||
|
||||
#else
|
||||
s = &lzma2;
|
||||
s->dict.buf = grub_decompressor_scratch;
|
||||
#endif
|
||||
|
||||
s->dict.allocated = dict_max;
|
||||
|
||||
return s;
|
||||
|
|
@ -1135,6 +1146,7 @@ enum xz_ret xz_dec_lzma2_reset(
|
|||
s->dict.size = 2 + (props & 1);
|
||||
s->dict.size <<= (props >> 1) + 11;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
if (s->dict.allocated > 0 && s->dict.allocated < s->dict.size)
|
||||
{
|
||||
/* enlarge dictionary buffer */
|
||||
|
|
@ -1146,7 +1158,7 @@ enum xz_ret xz_dec_lzma2_reset(
|
|||
s->dict.buf = newdict;
|
||||
s->dict.allocated = s->dict.size;
|
||||
}
|
||||
|
||||
#endif
|
||||
s->dict.end = s->dict.size;
|
||||
|
||||
s->lzma.len = 0;
|
||||
|
|
@ -1159,10 +1171,12 @@ enum xz_ret xz_dec_lzma2_reset(
|
|||
return XZ_OK;
|
||||
}
|
||||
|
||||
void xz_dec_lzma2_end(struct xz_dec_lzma2 *s)
|
||||
void xz_dec_lzma2_end(struct xz_dec_lzma2 *s __attribute__ ((unused)))
|
||||
{
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
if (s->dict.allocated > 0)
|
||||
vfree(s->dict.buf);
|
||||
|
||||
kfree(s);
|
||||
#endif
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,7 +31,9 @@
|
|||
struct xz_dec_hash {
|
||||
vli_type unpadded;
|
||||
vli_type uncompressed;
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
uint8_t *crc32_context;
|
||||
#endif
|
||||
};
|
||||
|
||||
struct xz_dec {
|
||||
|
|
@ -247,9 +249,11 @@ static enum xz_ret dec_block(struct xz_dec *s, struct xz_buf *b)
|
|||
> s->block_header.uncompressed)
|
||||
return XZ_DATA_ERROR;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
if (s->has_crc32)
|
||||
GRUB_MD_CRC32->write(s->crc32_context,b->out + s->out_start,
|
||||
b->out_pos - s->out_start);
|
||||
#endif
|
||||
|
||||
if (ret == XZ_STREAM_END) {
|
||||
if (s->block_header.compressed != VLI_UNKNOWN
|
||||
|
|
@ -269,8 +273,10 @@ static enum xz_ret dec_block(struct xz_dec *s, struct xz_buf *b)
|
|||
|
||||
s->block.hash.uncompressed += s->block.uncompressed;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
GRUB_MD_CRC32->write(s->block.hash.crc32_context,
|
||||
(const uint8_t *)&s->block.hash, 2 * sizeof(vli_type));
|
||||
#endif
|
||||
|
||||
++s->block.count;
|
||||
}
|
||||
|
|
@ -283,7 +289,9 @@ static void index_update(struct xz_dec *s, const struct xz_buf *b)
|
|||
{
|
||||
size_t in_used = b->in_pos - s->in_start;
|
||||
s->index.size += in_used;
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
GRUB_MD_CRC32->write(s->crc32_context,b->in + s->in_start, in_used);
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -328,8 +336,10 @@ static enum xz_ret dec_index(struct xz_dec *s, struct xz_buf *b)
|
|||
case SEQ_INDEX_UNCOMPRESSED:
|
||||
s->index.hash.uncompressed += s->vli;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
GRUB_MD_CRC32->write(s->index.hash.crc32_context,
|
||||
(const uint8_t *)&s->index.hash, 2 * sizeof(vli_type));
|
||||
#endif
|
||||
|
||||
--s->index.count;
|
||||
s->index.sequence = SEQ_INDEX_UNPADDED;
|
||||
|
|
@ -346,24 +356,30 @@ static enum xz_ret dec_index(struct xz_dec *s, struct xz_buf *b)
|
|||
*/
|
||||
static enum xz_ret crc32_validate(struct xz_dec *s, struct xz_buf *b)
|
||||
{
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
if(s->crc32_temp == 0)
|
||||
{
|
||||
GRUB_MD_CRC32->final(s->crc32_context);
|
||||
s->crc32_temp = get_unaligned_be32(GRUB_MD_CRC32->read(s->crc32_context));
|
||||
}
|
||||
#endif
|
||||
|
||||
do {
|
||||
if (b->in_pos == b->in_size)
|
||||
return XZ_OK;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
if (((s->crc32_temp >> s->pos) & 0xFF) != b->in[b->in_pos++])
|
||||
return XZ_DATA_ERROR;
|
||||
#endif
|
||||
|
||||
s->pos += 8;
|
||||
|
||||
} while (s->pos < 32);
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
GRUB_MD_CRC32->init(s->crc32_context);
|
||||
#endif
|
||||
s->crc32_temp = 0;
|
||||
s->pos = 0;
|
||||
|
||||
|
|
@ -376,6 +392,7 @@ static enum xz_ret dec_stream_header(struct xz_dec *s)
|
|||
if (! memeq(s->temp.buf, HEADER_MAGIC, HEADER_MAGIC_SIZE))
|
||||
return XZ_FORMAT_ERROR;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
uint8_t crc32_context[GRUB_MD_CRC32->contextsize];
|
||||
|
||||
GRUB_MD_CRC32->init(crc32_context);
|
||||
|
|
@ -387,6 +404,7 @@ static enum xz_ret dec_stream_header(struct xz_dec *s)
|
|||
|
||||
if(resultcrc != readcrc)
|
||||
return XZ_DATA_ERROR;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Decode the Stream Flags field. Of integrity checks, we support
|
||||
|
|
@ -407,6 +425,7 @@ static enum xz_ret dec_stream_footer(struct xz_dec *s)
|
|||
if (! memeq(s->temp.buf + 10, FOOTER_MAGIC, FOOTER_MAGIC_SIZE))
|
||||
return XZ_DATA_ERROR;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
uint8_t crc32_context[GRUB_MD_CRC32->contextsize];
|
||||
|
||||
GRUB_MD_CRC32->init(crc32_context);
|
||||
|
|
@ -418,6 +437,7 @@ static enum xz_ret dec_stream_footer(struct xz_dec *s)
|
|||
|
||||
if(resultcrc != readcrc)
|
||||
return XZ_DATA_ERROR;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Validate Backward Size. Note that we never added the size of the
|
||||
|
|
@ -447,7 +467,7 @@ static enum xz_ret dec_block_header(struct xz_dec *s)
|
|||
* eight bytes so this is safe.
|
||||
*/
|
||||
s->temp.size -= 4;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
uint8_t crc32_context[GRUB_MD_CRC32->contextsize];
|
||||
|
||||
GRUB_MD_CRC32->init(crc32_context);
|
||||
|
|
@ -459,6 +479,7 @@ static enum xz_ret dec_block_header(struct xz_dec *s)
|
|||
|
||||
if (resultcrc != readcrc)
|
||||
return XZ_DATA_ERROR;
|
||||
#endif
|
||||
|
||||
s->temp.pos = 2;
|
||||
|
||||
|
|
@ -669,6 +690,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
|
|||
/* Finish the CRC32 value and Index size. */
|
||||
index_update(s, b);
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
/* Compare the hashes to validate the Index field. */
|
||||
GRUB_MD_CRC32->final(s->block.hash.crc32_context);
|
||||
GRUB_MD_CRC32->final(s->index.hash.crc32_context);
|
||||
|
|
@ -681,6 +703,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
|
|||
{
|
||||
return XZ_DATA_ERROR;
|
||||
}
|
||||
#endif
|
||||
|
||||
s->sequence = SEQ_INDEX_CRC32;
|
||||
|
||||
|
|
@ -764,12 +787,22 @@ enum xz_ret xz_dec_run(struct xz_dec *s, struct xz_buf *b)
|
|||
return ret;
|
||||
}
|
||||
|
||||
#ifdef GRUB_EMBED_DECOMPRESSOR
|
||||
struct xz_dec decoder;
|
||||
#endif
|
||||
|
||||
struct xz_dec * xz_dec_init(uint32_t dict_max)
|
||||
{
|
||||
struct xz_dec *s = kmalloc(sizeof(*s), GFP_KERNEL);
|
||||
struct xz_dec *s;
|
||||
#ifdef GRUB_EMBED_DECOMPRESSOR
|
||||
s = &decoder;
|
||||
#else
|
||||
s = kmalloc(sizeof(*s), GFP_KERNEL);
|
||||
if (s == NULL)
|
||||
return NULL;
|
||||
#endif
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
/* prepare CRC32 calculators */
|
||||
if(GRUB_MD_CRC32 == NULL)
|
||||
{
|
||||
|
|
@ -803,10 +836,11 @@ struct xz_dec * xz_dec_init(uint32_t dict_max)
|
|||
|
||||
|
||||
GRUB_MD_CRC32->init(s->crc32_context);
|
||||
s->crc32_temp = 0;
|
||||
GRUB_MD_CRC32->init(s->index.hash.crc32_context);
|
||||
GRUB_MD_CRC32->init(s->block.hash.crc32_context);
|
||||
#endif
|
||||
|
||||
s->crc32_temp = 0;
|
||||
|
||||
s->single_call = dict_max == 0;
|
||||
|
||||
|
|
@ -828,7 +862,9 @@ error_lzma2:
|
|||
xz_dec_bcj_end(s->bcj);
|
||||
error_bcj:
|
||||
#endif
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
kfree(s);
|
||||
#endif
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
@ -839,34 +875,45 @@ void xz_dec_reset(struct xz_dec *s)
|
|||
s->pos = 0;
|
||||
|
||||
{
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
uint8_t *t;
|
||||
t = s->block.hash.crc32_context;
|
||||
#endif
|
||||
memzero(&s->block, sizeof(s->block));
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
s->block.hash.crc32_context = t;
|
||||
t = s->index.hash.crc32_context;
|
||||
#endif
|
||||
memzero(&s->index, sizeof(s->index));
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
s->index.hash.crc32_context = t;
|
||||
#endif
|
||||
}
|
||||
s->temp.pos = 0;
|
||||
s->temp.size = STREAM_HEADER_SIZE;
|
||||
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
GRUB_MD_CRC32->init(s->crc32_context);
|
||||
s->crc32_temp = 0;
|
||||
GRUB_MD_CRC32->init(s->index.hash.crc32_context);
|
||||
GRUB_MD_CRC32->init(s->block.hash.crc32_context);
|
||||
|
||||
#endif
|
||||
s->crc32_temp = 0;
|
||||
}
|
||||
|
||||
void xz_dec_end(struct xz_dec *s)
|
||||
{
|
||||
if (s != NULL) {
|
||||
xz_dec_lzma2_end(s->lzma2);
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
kfree(s->index.hash.crc32_context);
|
||||
kfree(s->block.hash.crc32_context);
|
||||
kfree(s->crc32_context);
|
||||
#endif
|
||||
#ifdef XZ_DEC_BCJ
|
||||
xz_dec_bcj_end(s->bcj);
|
||||
#endif
|
||||
#ifndef GRUB_EMBED_DECOMPRESSOR
|
||||
kfree(s);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue