diff --git a/ChangeLog b/ChangeLog index d5ca433a2..5f141d6a5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,21 @@ +2010-01-10 Robert Millan + + * loader/i386/ieee1275/linux.c (grub_linux_boot): Rework video position + initialization with similar approach as with other Linux loaders. + +2010-01-10 Robert Millan + + Fix i386-ieee1275 build. + + * loader/i386/ieee1275/linux.c (grub_linux_boot): Use grub_term_width() + and grub_term_height() for video_{width,height} initialization. + +2010-01-10 Robert Millan + + Fix grub-emu build. + + * conf/any-emu.rmk (grub_emu_SOURCES): Remove `kern/reader.c'. + 2010-01-07 Vladimir Serbinenko 2010-01-09 Robert Millan diff --git a/ChangeLog.abstractmbi b/ChangeLog.abstractmbi new file mode 100644 index 000000000..a5ff55b08 --- /dev/null +++ b/ChangeLog.abstractmbi @@ -0,0 +1,25 @@ +2010-01-10 Vladimir Serbinenko + + * conf/i386-coreboot.rmk (multiboot_mod_SOURCES): + Add loader/i386/multiboot_mbi.c. + (multiboot2_mod_SOURCES): Likewise. + * conf/i386-pc.rmk (multiboot_mod_SOURCES): Likewise. + (multiboot2_mod_SOURCES): Likewise. + * include/grub/multiboot.h (grub_multiboot_get_mbi_size): New proto. + (grub_multiboot_make_mbi): Likewise. + (grub_multiboot_free_mbi): Likewise. + (grub_multiboot_init_mbi): Likewise. + (grub_multiboot_add_module): Likewise. + (grub_multiboot_set_bootdev): Likewise. + * loader/i386/multiboot.c (mbi): Removed. + (mbi_dest): Likewise. + (alloc_mbi): New variable. + (grub_multiboot_payload_size): Removed. All users updated. + (grub_multiboot_pure_size): New variable. + (grub_multiboot_boot): Use grub_multiboot_make_mbi. + (grub_multiboot_unload): Use grub_multiboot_free_mbi. + (grub_get_multiboot_mmap_len): Moved to loader/i386/multiboot_mbi.c. + (grub_fill_multiboot_mmap): Likewise. + (grub_multiboot_get_bootdev): Likewise. + (grub_multiboot): Use multiboot_mbi functions. + * loader/i386/multiboot_mbi.c: New file. diff --git a/conf/any-emu.rmk b/conf/any-emu.rmk index bd1798946..cee9e8338 100644 --- a/conf/any-emu.rmk +++ b/conf/any-emu.rmk @@ -23,7 +23,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ kern/err.c kern/list.c kern/handler.c \ kern/command.c kern/corecmd.c commands/extcmd.c kern/file.c \ kern/fs.c commands/boot.c kern/main.c kern/misc.c kern/parser.c \ - kern/partition.c kern/reader.c kern/term.c \ + kern/partition.c kern/term.c \ kern/rescue_reader.c kern/rescue_parser.c \ lib/arg.c normal/cmdline.c normal/datetime.c normal/misc.c \ normal/handler.c normal/auth.c lib/crypto.c normal/autofs.c \ diff --git a/conf/i386-coreboot.rmk b/conf/i386-coreboot.rmk index 95ee79436..d73c9f0e2 100644 --- a/conf/i386-coreboot.rmk +++ b/conf/i386-coreboot.rmk @@ -142,14 +142,16 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS) pkglib_MODULES += multiboot.mod multiboot_mod_SOURCES = loader/i386/multiboot.c \ - loader/multiboot_loader.c + loader/i386/multiboot_mbi.c \ + loader/multiboot_loader.c multiboot_mod_CFLAGS = $(COMMON_CFLAGS) multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS) multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS) pkglib_MODULES += multiboot2.mod multiboot2_mod_SOURCES = loader/i386/multiboot.c \ - loader/multiboot_loader.c + loader/multiboot_loader.c \ + loader/i386/multiboot_mbi.c multiboot2_mod_CFLAGS = $(COMMON_CFLAGS) -DGRUB_USE_MULTIBOOT2 multiboot2_mod_LDFLAGS = $(COMMON_LDFLAGS) multiboot2_mod_ASFLAGS = $(COMMON_ASFLAGS) diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index 75e1ffdaa..6992d3edc 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -204,6 +204,7 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS) # For multiboot.mod. pkglib_MODULES += multiboot.mod multiboot_mod_SOURCES = loader/i386/multiboot.c \ + loader/i386/multiboot_mbi.c \ loader/multiboot_loader.c multiboot_mod_CFLAGS = $(COMMON_CFLAGS) multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS) @@ -211,7 +212,8 @@ multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS) pkglib_MODULES += multiboot2.mod multiboot2_mod_SOURCES = loader/i386/multiboot.c \ - loader/multiboot_loader.c + loader/i386/multiboot_mbi.c \ + loader/multiboot_loader.c multiboot2_mod_CFLAGS = $(COMMON_CFLAGS) -DGRUB_USE_MULTIBOOT2 multiboot2_mod_LDFLAGS = $(COMMON_LDFLAGS) multiboot2_mod_ASFLAGS = $(COMMON_ASFLAGS) diff --git a/include/grub/multiboot.h b/include/grub/multiboot.h index 041ee1f18..75f39daa9 100644 --- a/include/grub/multiboot.h +++ b/include/grub/multiboot.h @@ -29,7 +29,18 @@ #include #endif +#include +#include + void grub_multiboot (int argc, char *argv[]); void grub_module (int argc, char *argv[]); +grub_err_t grub_multiboot_make_mbi (grub_uint32_t *target); +void grub_multiboot_free_mbi (void); +grub_err_t grub_multiboot_init_mbi (int argc, char *argv[]); +grub_err_t grub_multiboot_add_module (grub_addr_t start, grub_size_t size, + int argc, char *argv[]); +void grub_multiboot_set_bootdev (void); + + #endif /* ! GRUB_MULTIBOOT_HEADER */ diff --git a/loader/i386/ieee1275/linux.c b/loader/i386/ieee1275/linux.c index 7d556ee00..8780804fd 100644 --- a/loader/i386/ieee1275/linux.c +++ b/loader/i386/ieee1275/linux.c @@ -1,7 +1,7 @@ /* linux.c - boot Linux zImage or bzImage */ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc. + * Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009,2010 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -110,8 +110,29 @@ grub_linux_boot (void) params->cl_magic = GRUB_LINUX_CL_MAGIC; params->cl_offset = GRUB_OFW_LINUX_CL_OFFSET; - params->video_width = (grub_getwh () >> 8); - params->video_height = (grub_getwh () & 0xff); + { + grub_term_output_t term; + int found = 0; + FOR_ACTIVE_TERM_OUTPUTS(term) + if (grub_strcmp (term->name, "ofconsole") == 0) + { + grub_uint16_t pos = grub_term_getxy (term); + params->video_cursor_x = pos >> 8; + params->video_cursor_y = pos & 0xff; + params->video_width = grub_term_width (term); + params->video_height = grub_term_height (term); + found = 1; + break; + } + if (!found) + { + params->video_cursor_x = 0; + params->video_cursor_y = 0; + params->video_width = 80; + params->video_height = 25; + } + } + params->font_size = 16; params->ofw_signature = GRUB_LINUX_OFW_SIGNATURE; diff --git a/loader/i386/multiboot.c b/loader/i386/multiboot.c index 5dbfc3bfd..2a1411002 100644 --- a/loader/i386/multiboot.c +++ b/loader/i386/multiboot.c @@ -45,29 +45,20 @@ #include #include #include -#ifdef GRUB_MACHINE_PCBIOS -#include -#include -#include -#include -#endif #include extern grub_dl_t my_mod; -static struct multiboot_info *mbi, *mbi_dest; struct grub_relocator *grub_multiboot_relocator = NULL; - static grub_size_t code_size; - grub_uint32_t grub_multiboot_payload_eip; static grub_err_t grub_multiboot_boot (void) { + grub_err_t err; struct grub_relocator32_state state = { .eax = MULTIBOOT_BOOTLOADER_MAGIC, - .ebx = PTR_TO_UINT32 (mbi_dest), .ecx = 0, .edx = 0, .eip = grub_multiboot_payload_eip, @@ -76,6 +67,10 @@ grub_multiboot_boot (void) .esp = 0x7ff00 }; + err = grub_multiboot_make_mbi (&state.ebx); + if (err) + return err; + grub_relocator32_boot (grub_multiboot_relocator, state); /* Not reached. */ @@ -85,69 +80,16 @@ grub_multiboot_boot (void) static grub_err_t grub_multiboot_unload (void) { - if (mbi) - { - unsigned int i; - for (i = 0; i < mbi->mods_count; i++) - { - grub_free ((void *) - ((struct multiboot_mod_list *) mbi->mods_addr)[i].mod_start); - grub_free ((void *) - ((struct multiboot_mod_list *) mbi->mods_addr)[i].cmdline); - } - grub_free ((void *) mbi->mods_addr); - } + grub_multiboot_free_mbi (); + grub_relocator_unload (grub_multiboot_relocator); grub_multiboot_relocator = NULL; - mbi = NULL; grub_dl_unref (my_mod); return GRUB_ERR_NONE; } -/* Return the length of the Multiboot mmap that will be needed to allocate - our platform's map. */ -static grub_uint32_t -grub_get_multiboot_mmap_len (void) -{ - grub_size_t count = 0; - - auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); - int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)), - grub_uint64_t size __attribute__ ((unused)), - grub_uint32_t type __attribute__ ((unused))) - { - count++; - return 0; - } - - grub_mmap_iterate (hook); - - return count * sizeof (struct multiboot_mmap_entry); -} - -/* Fill previously allocated Multiboot mmap. */ -static void -grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry) -{ - struct multiboot_mmap_entry *mmap_entry = (struct multiboot_mmap_entry *) first_entry; - - auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); - int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type) - { - mmap_entry->addr = addr; - mmap_entry->len = size; - mmap_entry->type = type; - mmap_entry->size = sizeof (struct multiboot_mmap_entry) - sizeof (mmap_entry->size); - mmap_entry++; - - return 0; - } - - grub_mmap_iterate (hook); -} - #define MULTIBOOT_LOAD_ELF64 #include "multiboot_elfxx.c" #undef MULTIBOOT_LOAD_ELF64 @@ -168,61 +110,13 @@ grub_multiboot_load_elf (grub_file_t file, void *buffer) return grub_error (GRUB_ERR_UNKNOWN_OS, "unknown ELF class"); } -static int -grub_multiboot_get_bootdev (grub_uint32_t *bootdev) -{ -#ifdef GRUB_MACHINE_PCBIOS - char *p; - grub_uint32_t biosdev, slice = ~0, part = ~0; - grub_device_t dev; - - biosdev = grub_get_root_biosnumber (); - - dev = grub_device_open (0); - if (dev && dev->disk && dev->disk->partition) - { - - p = dev->disk->partition->partmap->get_name (dev->disk->partition); - if (p) - { - if ((p[0] >= '0') && (p[0] <= '9')) - { - slice = grub_strtoul (p, &p, 0) - 1; - - if ((p) && (p[0] == ',')) - p++; - } - - if ((p[0] >= 'a') && (p[0] <= 'z')) - part = p[0] - 'a'; - } - } - if (dev) - grub_device_close (dev); - - *bootdev = ((biosdev & 0xff) << 24) | ((slice & 0xff) << 16) - | ((part & 0xff) << 8) | 0xff; - return (biosdev != ~0UL); -#else - *bootdev = 0xffffffff; - return 0; -#endif -} - void grub_multiboot (int argc, char *argv[]) { grub_file_t file = 0; - char buffer[MULTIBOOT_SEARCH], *cmdline = 0, *p; + char buffer[MULTIBOOT_SEARCH]; struct multiboot_header *header; - grub_ssize_t len, cmdline_length, boot_loader_name_length; - grub_uint32_t mmap_length; - int i; - int cmdline_argc; - char **cmdline_argv; - int mbichunk_size; - void *mbichunk; - grub_addr_t mbichunk_dest; + grub_ssize_t len; grub_err_t err; grub_loader_unset (); @@ -274,31 +168,8 @@ grub_multiboot (int argc, char *argv[]) grub_relocator_unload (grub_multiboot_relocator); grub_multiboot_relocator = NULL; - mmap_length = grub_get_multiboot_mmap_len (); - - /* Figure out cmdline length. */ /* Skip filename. */ - cmdline_argc = argc - 1; - cmdline_argv = argv + 1; - - for (i = 0, cmdline_length = 0; i < cmdline_argc; i++) - cmdline_length += grub_strlen (cmdline_argv[i]) + 1; - - if (cmdline_length == 0) - cmdline_length = 1; - - boot_loader_name_length = sizeof(PACKAGE_STRING); - -#define cmdline_addr(x) ((void *) (((grub_uint8_t *) x))) -#define boot_loader_name_addr(x) \ - ((void *) (((grub_uint8_t *) x) + cmdline_length)) -#define mbi_addr(x) ((void *) (((grub_uint8_t *) x) + cmdline_length + boot_loader_name_length)) -#define mmap_addr(x) ((void *) (((grub_uint8_t *) x) + cmdline_length + boot_loader_name_length + sizeof (struct multiboot_info))) - - mbichunk_size = cmdline_length - /* boot_loader_name_length might need to grow for mbi,etc to be aligned (see below) */ - + boot_loader_name_length + 3 - + sizeof (struct multiboot_info) + mmap_length; + grub_multiboot_init_mbi (argc - 1, argv + 1); grub_multiboot_relocator = grub_relocator_new (); @@ -343,59 +214,7 @@ grub_multiboot (int argc, char *argv[]) else if (grub_multiboot_load_elf (file, buffer) != GRUB_ERR_NONE) goto fail; - /* This provides alignment for the MBI, the memory map and the backward relocator. */ - boot_loader_name_length += (0x04 - ((unsigned long) mbi_addr (0) & 0x03)); - - err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &mbichunk, - &mbichunk_dest, - 0, (0xffffffff - mbichunk_size) + 1, - mbichunk_size, 4); - if (err) - { - grub_dprintf ("multiboot_loader", "Error allocating mbi chunk\n"); - goto fail; - } - mbi = mbi_addr (mbichunk); - mbi_dest = mbi_addr (mbichunk_dest); - - grub_memset (mbi, 0, sizeof (struct multiboot_info)); - mbi->mmap_length = mmap_length; - - grub_fill_multiboot_mmap (mmap_addr (mbichunk)); - - mbi->mmap_addr = (grub_uint32_t) mmap_addr (mbichunk_dest); - mbi->flags |= MULTIBOOT_INFO_MEM_MAP; - - /* Convert from bytes to kilobytes. */ - mbi->mem_lower = grub_mmap_get_lower () / 1024; - mbi->mem_upper = grub_mmap_get_upper () / 1024; - mbi->flags |= MULTIBOOT_INFO_MEMORY; - - cmdline = p = cmdline_addr (mbichunk); - if (! cmdline) - goto fail; - - for (i = 0; i < cmdline_argc; i++) - { - p = grub_stpcpy (p, cmdline_argv[i]); - *(p++) = ' '; - } - - /* Remove the space after the last word. */ - if (p != cmdline) - p--; - *p = 0; - - mbi->flags |= MULTIBOOT_INFO_CMDLINE; - mbi->cmdline = (grub_uint32_t) cmdline_addr (mbichunk_dest); - - - grub_strcpy (boot_loader_name_addr (mbichunk), PACKAGE_STRING); - mbi->flags |= MULTIBOOT_INFO_BOOT_LOADER_NAME; - mbi->boot_loader_name = (grub_uint32_t) boot_loader_name_addr (mbichunk_dest); - - if (grub_multiboot_get_bootdev (&mbi->boot_device)) - mbi->flags |= MULTIBOOT_INFO_BOOTDEV; + grub_multiboot_set_bootdev (); grub_loader_set (grub_multiboot_boot, grub_multiboot_unload, 0); @@ -405,22 +224,19 @@ grub_multiboot (int argc, char *argv[]) if (grub_errno != GRUB_ERR_NONE) { - grub_free (cmdline); - grub_free (mbi); + grub_relocator_unload (grub_multiboot_relocator); grub_dl_unref (my_mod); } } - void grub_module (int argc, char *argv[]) { grub_file_t file = 0; - grub_ssize_t size, len = 0; - char *module = 0, *cmdline = 0, *p; - int i; - int cmdline_argc; - char **cmdline_argv; + grub_ssize_t size; + void *module = NULL; + grub_addr_t target; + grub_err_t err; if (argc == 0) { @@ -428,7 +244,7 @@ grub_module (int argc, char *argv[]) goto fail; } - if (!mbi) + if (!grub_multiboot_relocator) { grub_error (GRUB_ERR_BAD_ARGUMENT, "you need to load the multiboot kernel first"); @@ -440,8 +256,15 @@ grub_module (int argc, char *argv[]) goto fail; size = grub_file_size (file); - module = grub_memalign (MULTIBOOT_MOD_ALIGN, size); - if (! module) + err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &module, + &target, + 0, (0xffffffff - size) + 1, + size, MULTIBOOT_MOD_ALIGN); + if (err) + goto fail; + + err = grub_multiboot_add_module (target, size, argc - 1, argv + 1); + if (err) goto fail; if (grub_file_read (file, module, size) != size) @@ -450,67 +273,8 @@ grub_module (int argc, char *argv[]) goto fail; } - /* Skip module name. */ - cmdline_argc = argc - 1; - cmdline_argv = argv + 1; - - for (i = 0; i < cmdline_argc; i++) - len += grub_strlen (cmdline_argv[i]) + 1; - - if (len == 0) - len = 1; - - cmdline = p = grub_malloc (len); - if (! cmdline) - goto fail; - - for (i = 0; i < cmdline_argc; i++) - { - p = grub_stpcpy (p, cmdline_argv[i]); - *(p++) = ' '; - } - - /* Remove the space after the last word. */ - if (p != cmdline) - p--; - *p = '\0'; - - if (mbi->flags & MULTIBOOT_INFO_MODS) - { - struct multiboot_mod_list *modlist = (struct multiboot_mod_list *) mbi->mods_addr; - - modlist = grub_realloc (modlist, (mbi->mods_count + 1) - * sizeof (struct multiboot_mod_list)); - if (! modlist) - goto fail; - mbi->mods_addr = (grub_uint32_t) modlist; - modlist += mbi->mods_count; - modlist->mod_start = (grub_uint32_t) module; - modlist->mod_end = (grub_uint32_t) module + size; - modlist->cmdline = (grub_uint32_t) cmdline; - modlist->pad = 0; - mbi->mods_count++; - } - else - { - struct multiboot_mod_list *modlist = grub_zalloc (sizeof (struct multiboot_mod_list)); - if (! modlist) - goto fail; - modlist->mod_start = (grub_uint32_t) module; - modlist->mod_end = (grub_uint32_t) module + size; - modlist->cmdline = (grub_uint32_t) cmdline; - mbi->mods_count = 1; - mbi->mods_addr = (grub_uint32_t) modlist; - mbi->flags |= MULTIBOOT_INFO_MODS; - } - fail: if (file) grub_file_close (file); - - if (grub_errno != GRUB_ERR_NONE) - { - grub_free (module); - grub_free (cmdline); - } } + diff --git a/loader/i386/multiboot_mbi.c b/loader/i386/multiboot_mbi.c new file mode 100644 index 000000000..ddaca7a1b --- /dev/null +++ b/loader/i386/multiboot_mbi.c @@ -0,0 +1,346 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc. + * + * 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 . + */ + +#include +#include +#ifdef GRUB_MACHINE_PCBIOS +#include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct module +{ + struct module *next; + grub_addr_t start; + grub_size_t size; + char *cmdline; + int cmdline_size; +}; + +struct module *modules, *modules_last; +static grub_size_t cmdline_size; +static grub_size_t total_modcmd; +static unsigned modcnt; +static char *cmdline = NULL; +static grub_uint32_t bootdev; +static int bootdev_set; + +/* Return the length of the Multiboot mmap that will be needed to allocate + our platform's map. */ +static grub_uint32_t +grub_get_multiboot_mmap_len (void) +{ + grub_size_t count = 0; + + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); + int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)), + grub_uint64_t size __attribute__ ((unused)), + grub_uint32_t type __attribute__ ((unused))) + { + count++; + return 0; + } + + grub_mmap_iterate (hook); + + return count * sizeof (struct multiboot_mmap_entry); +} + +static grub_size_t +grub_multiboot_get_mbi_size (void) +{ + return sizeof (struct multiboot_info) + ALIGN_UP (cmdline_size, 4) + + modcnt * sizeof (struct multiboot_mod_list) + total_modcmd + + ALIGN_UP (sizeof(PACKAGE_STRING), 4) + grub_get_multiboot_mmap_len (); +} + +/* Fill previously allocated Multiboot mmap. */ +static void +grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry) +{ + struct multiboot_mmap_entry *mmap_entry = (struct multiboot_mmap_entry *) first_entry; + + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); + int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type) + { + mmap_entry->addr = addr; + mmap_entry->len = size; + switch (type) + { + case GRUB_MACHINE_MEMORY_AVAILABLE: + mmap_entry->type = MULTIBOOT_MEMORY_AVAILABLE; + break; + + default: + mmap_entry->type = MULTIBOOT_MEMORY_RESERVED; + break; + } + mmap_entry->size = sizeof (struct multiboot_mmap_entry) - sizeof (mmap_entry->size); + mmap_entry++; + + return 0; + } + + grub_mmap_iterate (hook); +} + +grub_err_t +grub_multiboot_make_mbi (grub_uint32_t *target) +{ + struct multiboot_info *mbi; + struct multiboot_mod_list *modlist; + unsigned i; + struct module *cur; + grub_size_t mmap_size; + grub_uint8_t *ptrorig; + grub_addr_t ptrdest; + grub_err_t err; + grub_size_t bufsize; + + bufsize = grub_multiboot_get_mbi_size (); + + err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, + (void **) &ptrorig, &ptrdest, + 0, 0xffffffff - bufsize, + bufsize, 4); + if (err) + return err; + + *target = ptrdest; + + mbi = (struct multiboot_info *) ptrorig; + ptrorig += sizeof (*mbi); + ptrdest += sizeof (*mbi); + grub_memset (mbi, 0, sizeof (*mbi)); + + grub_memcpy (ptrorig, cmdline, cmdline_size); + mbi->flags |= MULTIBOOT_INFO_CMDLINE; + mbi->cmdline = ptrdest; + ptrorig += ALIGN_UP (cmdline_size, 4); + ptrdest += ALIGN_UP (cmdline_size, 4); + + grub_memcpy (ptrorig, PACKAGE_STRING, sizeof(PACKAGE_STRING)); + mbi->flags |= MULTIBOOT_INFO_BOOT_LOADER_NAME; + mbi->boot_loader_name = ptrdest; + ptrorig += ALIGN_UP (sizeof(PACKAGE_STRING), 4); + ptrdest += ALIGN_UP (sizeof(PACKAGE_STRING), 4); + + if (modcnt) + { + mbi->flags |= MULTIBOOT_INFO_MODS; + mbi->mods_addr = ptrdest; + mbi->mods_count = modcnt; + modlist = (struct multiboot_mod_list *) ptrorig; + ptrorig += modcnt * sizeof (struct multiboot_mod_list); + ptrdest += modcnt * sizeof (struct multiboot_mod_list); + + for (i = 0, cur = modules; i < modcnt; i++, cur = cur->next) + { + modlist[i].mod_start = cur->start; + modlist[i].mod_end = modlist[i].mod_start + cur->size; + modlist[i].cmdline = ptrdest; + grub_memcpy (ptrorig, cur->cmdline, cur->cmdline_size); + ptrorig += ALIGN_UP (cur->cmdline_size, 4); + ptrdest += ALIGN_UP (cur->cmdline_size, 4); + } + } + else + { + mbi->mods_addr = 0; + mbi->mods_count = 0; + } + + mmap_size = grub_get_multiboot_mmap_len (); + grub_fill_multiboot_mmap ((struct multiboot_mmap_entry *) ptrorig); + mbi->mmap_length = mmap_size; + mbi->mmap_addr = ptrdest; + mbi->flags |= MULTIBOOT_INFO_MEM_MAP; + ptrorig += mmap_size; + ptrdest += mmap_size; + + /* Convert from bytes to kilobytes. */ + mbi->mem_lower = grub_mmap_get_lower () / 1024; + mbi->mem_upper = grub_mmap_get_upper () / 1024; + mbi->flags |= MULTIBOOT_INFO_MEMORY; + + if (bootdev_set) + { + mbi->boot_device = bootdev; + mbi->flags |= MULTIBOOT_INFO_BOOTDEV; + } + + return GRUB_ERR_NONE; +} + +void +grub_multiboot_free_mbi (void) +{ + struct module *cur, *next; + + cmdline_size = 0; + total_modcmd = 0; + modcnt = 0; + grub_free (cmdline); + cmdline = NULL; + bootdev_set = 0; + + for (cur = modules; cur; cur = next) + { + next = cur->next; + grub_free (cur->cmdline); + grub_free (cur); + } + modules = NULL; + modules_last = NULL; +} + +grub_err_t +grub_multiboot_init_mbi (int argc, char *argv[]) +{ + grub_ssize_t len = 0; + char *p; + int i; + + grub_multiboot_free_mbi (); + + for (i = 0; i < argc; i++) + len += grub_strlen (argv[i]) + 1; + if (len == 0) + len = 1; + + cmdline = p = grub_malloc (len); + if (! cmdline) + return grub_errno; + cmdline_size = len; + + for (i = 0; i < argc; i++) + { + p = grub_stpcpy (p, argv[i]); + *(p++) = ' '; + } + + /* Remove the space after the last word. */ + if (p != cmdline) + p--; + *p = '\0'; + + return GRUB_ERR_NONE; +} + +grub_err_t +grub_multiboot_add_module (grub_addr_t start, grub_size_t size, + int argc, char *argv[]) +{ + struct module *newmod; + char *p; + grub_ssize_t len = 0; + int i; + + newmod = grub_malloc (sizeof (*newmod)); + if (!newmod) + return grub_errno; + newmod->start = start; + newmod->size = size; + + for (i = 0; i < argc; i++) + len += grub_strlen (argv[i]) + 1; + + if (len == 0) + len = 1; + + newmod->cmdline = p = grub_malloc (len); + if (! newmod->cmdline) + { + grub_free (newmod); + return grub_errno; + } + newmod->cmdline_size = len; + total_modcmd += ALIGN_UP (len, 4); + + for (i = 0; i < argc; i++) + { + p = grub_stpcpy (p, argv[i]); + *(p++) = ' '; + } + + /* Remove the space after the last word. */ + if (p != newmod->cmdline) + p--; + *p = '\0'; + + if (modules_last) + modules_last->next = newmod; + else + { + modules = newmod; + modules_last->next = NULL; + } + modules_last = newmod; + + modcnt++; + + return GRUB_ERR_NONE; +} + +void +grub_multiboot_set_bootdev (void) +{ + char *p; + grub_uint32_t biosdev, slice = ~0, part = ~0; + grub_device_t dev; + +#ifdef GRUB_MACHINE_PCBIOS + biosdev = grub_get_root_biosnumber (); +#else + biosdev = 0xffffffff; +#endif + + dev = grub_device_open (0); + if (dev && dev->disk && dev->disk->partition) + { + + p = dev->disk->partition->partmap->get_name (dev->disk->partition); + if (p) + { + if ((p[0] >= '0') && (p[0] <= '9')) + { + slice = grub_strtoul (p, &p, 0) - 1; + + if ((p) && (p[0] == ',')) + p++; + } + + if ((p[0] >= 'a') && (p[0] <= 'z')) + part = p[0] - 'a'; + } + } + if (dev) + grub_device_close (dev); + + bootdev = ((biosdev & 0xff) << 24) | ((slice & 0xff) << 16) + | ((part & 0xff) << 8) | 0xff; + bootdev_set = 1; +}