From: Vladimir 'phcoder' Serbinenko Date: Sun, 7 Mar 2010 12:01:43 +0000 (+0100) Subject: merge mainline into mbtag X-Git-Tag: 1.99~996^2~8 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3f5a90c616bc19154aa0b4ffcf644a71f44316c6;p=thirdparty%2Fgrub.git merge mainline into mbtag --- 3f5a90c616bc19154aa0b4ffcf644a71f44316c6 diff --cc include/grub/multiboot.h index 8a7289820,665292e33..27d4d816d --- a/include/grub/multiboot.h +++ b/include/grub/multiboot.h @@@ -44,24 -46,5 +44,23 @@@ grub_err_t grub_multiboot_add_module (g int argc, char *argv[]); void grub_multiboot_set_bootdev (void); +grub_uint32_t grub_get_multiboot_mmap_len (void); - void grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry); +grub_err_t grub_multiboot_set_video_mode (void); + +#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_QEMU) +#include +grub_err_t +grub_multiboot_fill_vbe_info_real (struct grub_vbe_info_block *vbe_control_info, + struct grub_vbe_mode_info_block *vbe_mode_info, + multiboot_uint16_t *vbe_mode, + multiboot_uint16_t *vbe_interface_seg, + multiboot_uint16_t *vbe_interface_off, + multiboot_uint16_t *vbe_interface_len); +#define GRUB_MACHINE_HAS_VBE 1 +#define GRUB_MACHINE_HAS_VGA_TEXT 1 +#else +#define GRUB_MACHINE_HAS_VBE 0 +#define GRUB_MACHINE_HAS_VGA_TEXT 0 +#endif #endif /* ! GRUB_MULTIBOOT_HEADER */ diff --cc include/multiboot2.h index a76364fa7,1b649d514..20c5c5696 --- a/include/multiboot2.h +++ b/include/multiboot2.h @@@ -93,85 -120,71 +93,87 @@@ struct multiboot_heade multiboot_uint32_t depth; }; -/* The symbol table for a.out. */ -struct multiboot_aout_symbol_table +struct multiboot_color +{ + multiboot_uint8_t red; + multiboot_uint8_t green; + multiboot_uint8_t blue; +}; + +struct multiboot_mmap_entry +{ + multiboot_uint32_t size; + multiboot_uint64_t addr; + multiboot_uint64_t len; +#define MULTIBOOT_MEMORY_AVAILABLE 1 +#define MULTIBOOT_MEMORY_RESERVED 2 ++#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3 ++#define MULTIBOOT_MEMORY_NVS 4 + multiboot_uint32_t type; +} __attribute__((packed)); +typedef struct multiboot_mmap_entry multiboot_memory_map_t; + +struct multiboot_tag { - multiboot_uint32_t tabsize; - multiboot_uint32_t strsize; - multiboot_uint32_t addr; - multiboot_uint32_t reserved; + multiboot_uint32_t type; + multiboot_uint32_t size; }; -typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t; -/* The section header table for ELF. */ -struct multiboot_elf_section_header_table +struct multiboot_tag_string { - multiboot_uint32_t num; + multiboot_uint32_t type; multiboot_uint32_t size; - multiboot_uint32_t addr; - multiboot_uint32_t shndx; + char string[0]; }; -typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t; -struct multiboot_info +struct multiboot_tag_module { - /* Multiboot info version number */ - multiboot_uint32_t flags; + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t mod_start; + multiboot_uint32_t mod_end; + char cmdline[0]; +}; - /* Available memory from BIOS */ +struct multiboot_tag_basic_meminfo +{ + multiboot_uint32_t type; + multiboot_uint32_t size; multiboot_uint32_t mem_lower; multiboot_uint32_t mem_upper; +}; - /* "root" partition */ - multiboot_uint32_t boot_device; - - /* Kernel command line */ - multiboot_uint32_t cmdline; - - /* Boot-Module list */ - multiboot_uint32_t mods_count; - multiboot_uint32_t mods_addr; - - union - { - multiboot_aout_symbol_table_t aout_sym; - multiboot_elf_section_header_table_t elf_sec; - } u; - - /* Memory Mapping buffer */ - multiboot_uint32_t mmap_length; - multiboot_uint32_t mmap_addr; +struct multiboot_tag_bootdev +{ + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t biosdev; + multiboot_uint32_t slice; + multiboot_uint32_t part; +}; - /* Drive Info buffer */ - multiboot_uint32_t drives_length; - multiboot_uint32_t drives_addr; +struct multiboot_tag_mmap +{ + multiboot_uint32_t type; + multiboot_uint32_t size; + struct multiboot_mmap_entry entries[0]; +}; - /* ROM configuration table */ - multiboot_uint32_t config_table; +struct multiboot_vbe_info_block +{ + multiboot_uint8_t external_specification[512]; +}; - /* Boot Loader Name */ - multiboot_uint32_t boot_loader_name; +struct multiboot_vbe_mode_info_block +{ + multiboot_uint8_t external_specification[256]; +}; - /* APM table */ - multiboot_uint32_t apm_table; +struct multiboot_tag_vbe +{ + multiboot_uint32_t type; + multiboot_uint32_t size; - /* Video */ - multiboot_uint32_t vbe_control_info; - multiboot_uint32_t vbe_mode_info; multiboot_uint16_t vbe_mode; multiboot_uint16_t vbe_interface_seg; multiboot_uint16_t vbe_interface_off; diff --cc loader/i386/multiboot.c index 86bb91ec8,fc9588269..5f9751f33 --- a/loader/i386/multiboot.c +++ b/loader/i386/multiboot.c @@@ -63,135 -57,6 +63,103 @@@ char *grub_multiboot_payload_orig grub_addr_t grub_multiboot_payload_dest; grub_size_t grub_multiboot_pure_size; grub_uint32_t grub_multiboot_payload_eip; +static int accepts_video; + +/* Return the length of the Multiboot mmap that will be needed to allocate + our platform's map. */ +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. */ - 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_set_video_mode (void) +{ + grub_err_t err; + const char *modevar; + + if (accepts_video || !GRUB_MACHINE_HAS_VGA_TEXT) + { + modevar = grub_env_get ("gfxpayload"); + if (! modevar || *modevar == 0) - err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0); ++ err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0); + else + { + char *tmp; - tmp = grub_malloc (grub_strlen (modevar) - + sizeof (DEFAULT_VIDEO_MODE) + 1); ++ tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar); + if (! tmp) + return grub_errno; - grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar); - err = grub_video_set_mode (tmp, 0); ++ err = grub_video_set_mode (tmp, 0, 0); + grub_free (tmp); + } + } + else - err = grub_video_set_mode ("text", 0); ++ err = grub_video_set_mode ("text", 0, 0); + + return err; +} + +#if GRUB_MACHINE_HAS_VBE +grub_err_t +grub_multiboot_fill_vbe_info_real (struct grub_vbe_info_block *vbe_control_info, + struct grub_vbe_mode_info_block *vbe_mode_info, + multiboot_uint16_t *vbe_mode, + multiboot_uint16_t *vbe_interface_seg, + multiboot_uint16_t *vbe_interface_off, + multiboot_uint16_t *vbe_interface_len) +{ + grub_vbe_status_t status; + void *scratch = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + + status = grub_vbe_bios_get_controller_info (scratch); + if (status != GRUB_VBE_STATUS_OK) + return grub_error (GRUB_ERR_IO, "Can't get controller info."); + grub_memcpy (vbe_control_info, scratch, sizeof (struct grub_vbe_info_block)); + + status = grub_vbe_bios_get_mode (scratch); + *vbe_mode = *(grub_uint32_t *) scratch; + if (status != GRUB_VBE_STATUS_OK) + return grub_error (GRUB_ERR_IO, "can't get VBE mode"); + + /* get_mode_info isn't available for mode 3. */ + if (*vbe_mode == 3) + { + grub_memset (vbe_mode_info, 0, sizeof (struct grub_vbe_mode_info_block)); + vbe_mode_info->memory_model = GRUB_VBE_MEMORY_MODEL_TEXT; + vbe_mode_info->x_resolution = 80; + vbe_mode_info->y_resolution = 25; + } + else + { + status = grub_vbe_bios_get_mode_info (*vbe_mode, scratch); + if (status != GRUB_VBE_STATUS_OK) + return grub_error (GRUB_ERR_IO, "can't get mode info"); + grub_memcpy (vbe_mode_info, scratch, + sizeof (struct grub_vbe_mode_info_block)); + } + + /* FIXME: retrieve those. */ + *vbe_interface_seg = 0; + *vbe_interface_off = 0; + *vbe_interface_len = 0; + + return GRUB_ERR_NONE; +} +#endif static grub_err_t grub_multiboot_boot (void) diff --cc loader/i386/multiboot_mbi.c index 3e63b3456,6391564d6..a8133a705 --- a/loader/i386/multiboot_mbi.c +++ b/loader/i386/multiboot_mbi.c @@@ -61,40 -94,75 +61,48 @@@ grub_multiboot_get_mbi_size (void + 256 * sizeof (struct multiboot_color); } - #if GRUB_MACHINE_HAS_VBE - static grub_err_t - fill_vbe_info (struct multiboot_info *mbi, - struct grub_vbe_mode_info_block **vbe_mode_info_out, - grub_uint8_t *ptrorig, grub_addr_t ptrdest) + /* Fill previously allocated Multiboot mmap. */ + static void + grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry) { - struct grub_vbe_info_block *vbe_control_info; - struct grub_vbe_mode_info_block *vbe_mode_info; - grub_err_t err; - - vbe_control_info = (struct grub_vbe_info_block *) ptrorig; - mbi->vbe_control_info = ptrdest; - ptrorig += sizeof (struct grub_vbe_info_block); - ptrdest += sizeof (struct grub_vbe_info_block); - vbe_mode_info = (struct grub_vbe_mode_info_block *) ptrorig; - mbi->vbe_mode_info = ptrdest; - ptrorig += sizeof (struct grub_vbe_mode_info_block); - ptrdest += sizeof (struct grub_vbe_mode_info_block); - - err = grub_multiboot_fill_vbe_info_real (vbe_control_info, vbe_mode_info, - &mbi->vbe_mode, - &mbi->vbe_interface_seg, - &mbi->vbe_interface_off, - &mbi->vbe_interface_len); - if (err) - return err; - mbi->flags |= MULTIBOOT_INFO_VBE_INFO; - if (vbe_mode_info_out) - *vbe_mode_info_out = vbe_mode_info; - return GRUB_ERR_NONE; - } + 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; + + #ifdef GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE + case GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE: + mmap_entry->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE; + break; #endif + #ifdef GRUB_MACHINE_MEMORY_NVS + case GRUB_MACHINE_MEMORY_NVS: + mmap_entry->type = MULTIBOOT_MEMORY_NVS; + break; + #endif + + 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); + } + -static grub_err_t -set_video_mode (void) -{ - grub_err_t err; - const char *modevar; - - if (accepts_video || !HAS_VGA_TEXT) - { - modevar = grub_env_get ("gfxpayload"); - if (! modevar || *modevar == 0) - err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0); - else - { - char *tmp; - tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar); - if (! tmp) - return grub_errno; - err = grub_video_set_mode (tmp, 0, 0); - grub_free (tmp); - } - } - else - err = grub_video_set_mode ("text", 0, 0); - - return err; -} - static grub_err_t retrieve_video_parameters (struct multiboot_info *mbi, grub_uint8_t *ptrorig, grub_uint32_t ptrdest) diff --cc loader/i386/multiboot_mbi2.c index 636b63923,000000000..a53bbe50a mode 100644,000000..100644 --- a/loader/i386/multiboot_mbi2.c +++ b/loader/i386/multiboot_mbi2.c @@@ -1,476 -1,0 +1,518 @@@ +/* + * 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 + +#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_QEMU) +#include +#define DEFAULT_VIDEO_MODE "text" +#define HAS_VGA_TEXT 1 +#define HAS_VBE 1 +#else +#define DEFAULT_VIDEO_MODE "auto" +#define HAS_VGA_TEXT 0 +#define HAS_VBE 0 +#endif + +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 int bootdev_set; +static grub_uint32_t biosdev, slice, part; + +grub_size_t +grub_multiboot_get_mbi_size (void) +{ + return sizeof (grub_uint32_t) + sizeof (struct multiboot_tag) + + (sizeof (struct multiboot_tag_string) + ALIGN_UP (cmdline_size, 4)) + + (sizeof (struct multiboot_tag_string) + + ALIGN_UP (sizeof (PACKAGE_STRING), 4)) + + (modcnt * sizeof (struct multiboot_tag_module) + total_modcmd) + + sizeof (struct multiboot_tag_basic_meminfo) + + sizeof (struct multiboot_tag_bootdev) + + (sizeof (struct multiboot_tag_mmap) + grub_get_multiboot_mmap_len ()) + + sizeof (struct multiboot_tag_vbe); +} + +#ifdef GRUB_MACHINE_HAS_VBE + +static grub_err_t +fill_vbe_info (struct grub_vbe_mode_info_block **vbe_mode_info_out, + grub_uint8_t **ptrorig) +{ + struct multiboot_tag_vbe *tag = (struct multiboot_tag_vbe *) *ptrorig; + grub_err_t err; + + tag->type = MULTIBOOT_TAG_TYPE_VBE; + tag->size = 0; + err = grub_multiboot_fill_vbe_info_real ((struct grub_vbe_info_block *) + &(tag->vbe_control_info), + (struct grub_vbe_mode_info_block *) + &(tag->vbe_mode_info), + &(tag->vbe_mode), + &(tag->vbe_interface_seg), + &(tag->vbe_interface_off), + &(tag->vbe_interface_len)); + if (err) + return err; + if (vbe_mode_info_out) + *vbe_mode_info_out = (struct grub_vbe_mode_info_block *) + &(tag->vbe_mode_info); + tag->size = sizeof (struct multiboot_tag_vbe); + *ptrorig += tag->size; + return GRUB_ERR_NONE; +} + +#endif + ++/* 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; ++ ++#ifdef GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE ++ case GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE: ++ mmap_entry->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE; ++ break; ++#endif ++ ++#ifdef GRUB_MACHINE_MEMORY_NVS ++ case GRUB_MACHINE_MEMORY_NVS: ++ mmap_entry->type = MULTIBOOT_MEMORY_NVS; ++ break; ++#endif ++ ++ 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); ++} ++ +static grub_err_t +retrieve_video_parameters (grub_uint8_t **ptrorig) +{ + grub_err_t err; + struct grub_video_mode_info mode_info; + void *framebuffer; + grub_video_driver_id_t driv_id; + struct grub_video_palette_data palette[256]; + struct multiboot_tag_framebuffer *tag + = (struct multiboot_tag_framebuffer *) *ptrorig; + + err = grub_multiboot_set_video_mode (); + if (err) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + } + + grub_video_get_palette (0, ARRAY_SIZE (palette), palette); + + driv_id = grub_video_get_driver_id (); +#if HAS_VGA_TEXT + if (driv_id == GRUB_VIDEO_DRIVER_NONE) + { + struct grub_vbe_mode_info_block *vbe_mode_info; + err = fill_vbe_info (&vbe_mode_info, ptrorig); + if (err) + return err; + if (vbe_mode_info->memory_model == GRUB_VBE_MEMORY_MODEL_TEXT) + { + tag = (struct multiboot_tag_framebuffer *) *ptrorig; + tag->common.type = MULTIBOOT_TAG_TYPE_FRAMEBUFFER; + tag->common.size = 0; + + tag->common.framebuffer_addr = 0xb8000; + + tag->common.framebuffer_pitch = 2 * vbe_mode_info->x_resolution; + tag->common.framebuffer_width = vbe_mode_info->x_resolution; + tag->common.framebuffer_height = vbe_mode_info->y_resolution; + + tag->common.framebuffer_bpp = 16; + + tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT; + tag->common.size = sizeof (tag->common); + *ptrorig += tag->common.size; + } + return GRUB_ERR_NONE; + } +#else + if (driv_id == GRUB_VIDEO_DRIVER_NONE) + return GRUB_ERR_NONE; +#endif + + err = grub_video_get_info_and_fini (&mode_info, &framebuffer); + if (err) + return err; + + tag = (struct multiboot_tag_framebuffer *) *ptrorig; + tag->common.type = MULTIBOOT_TAG_TYPE_FRAMEBUFFER; + tag->common.size = 0; + + tag->common.framebuffer_addr = (grub_addr_t) framebuffer; + tag->common.framebuffer_pitch = mode_info.pitch; + + tag->common.framebuffer_width = mode_info.width; + tag->common.framebuffer_height = mode_info.height; + + tag->common.framebuffer_bpp = mode_info.bpp; + + if (mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) + { + unsigned i; + tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED; + tag->framebuffer_palette_num_colors = mode_info.number_of_colors; + if (tag->framebuffer_palette_num_colors > ARRAY_SIZE (palette)) + tag->framebuffer_palette_num_colors = ARRAY_SIZE (palette); + tag->common.size = sizeof (struct multiboot_tag_framebuffer_common) + + sizeof (multiboot_uint16_t) + tag->framebuffer_palette_num_colors + * sizeof (struct multiboot_color); + for (i = 0; i < tag->framebuffer_palette_num_colors; i++) + { + tag->framebuffer_palette[i].red = palette[i].r; + tag->framebuffer_palette[i].green = palette[i].g; + tag->framebuffer_palette[i].blue = palette[i].b; + } + *ptrorig += tag->common.size; + } + else + { + tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_RGB; + tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_RGB; + tag->framebuffer_red_field_position = mode_info.green_field_pos; + tag->framebuffer_red_mask_size = mode_info.green_mask_size; + tag->framebuffer_green_field_position = mode_info.green_field_pos; + tag->framebuffer_green_mask_size = mode_info.green_mask_size; + tag->framebuffer_blue_field_position = mode_info.blue_field_pos; + tag->framebuffer_blue_mask_size = mode_info.blue_mask_size; + + tag->common.size = sizeof (struct multiboot_tag_framebuffer_common) + 6; + } + +#if HAS_VBE + if (driv_id == GRUB_VIDEO_DRIVER_VBE) + { + err = fill_vbe_info (NULL, ptrorig); + if (err) + return err; + } +#endif + + return GRUB_ERR_NONE; +} + +grub_err_t +grub_multiboot_make_mbi (void *orig, grub_uint32_t dest, grub_off_t buf_off, + grub_size_t bufsize) +{ + grub_uint8_t *ptrorig; + grub_uint8_t *mbistart = (grub_uint8_t *) orig + buf_off; + grub_err_t err; + + if (bufsize < grub_multiboot_get_mbi_size ()) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, "mbi buffer is too small"); + + ptrorig = (grub_uint8_t *) orig + buf_off + sizeof (grub_uint32_t); + + { + struct multiboot_tag_string *tag = (struct multiboot_tag_string *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_CMDLINE; + tag->size = sizeof (struct multiboot_tag_string) + + ALIGN_UP (cmdline_size, 4); + grub_memcpy (tag->string, cmdline, cmdline_size); + ptrorig += tag->size; + } + + { + struct multiboot_tag_string *tag = (struct multiboot_tag_string *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME; + tag->size = sizeof (struct multiboot_tag_string) + + ALIGN_UP (sizeof (PACKAGE_STRING), 4); + grub_memcpy (tag->string, PACKAGE_STRING, sizeof (PACKAGE_STRING)); + ptrorig += tag->size; + } + + { + unsigned i; + struct module *cur; + + for (i = 0, cur = modules; i < modcnt; i++, cur = cur->next) + { + struct multiboot_tag_module *tag + = (struct multiboot_tag_module *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_MODULE; + tag->size = sizeof (struct multiboot_tag_module) + + ALIGN_UP (sizeof (cur->cmdline_size), 4); + + tag->mod_start = dest + cur->start; + tag->mod_end = tag->mod_start + cur->size; + grub_memcpy (tag->cmdline, cur->cmdline, cur->cmdline_size); + ptrorig += tag->size; + } + } + + { + struct multiboot_tag_mmap *tag = (struct multiboot_tag_mmap *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_MMAP; + tag->size = sizeof (struct multiboot_tag_mmap) + + grub_get_multiboot_mmap_len (); + grub_fill_multiboot_mmap (tag->entries); + ptrorig += tag->size; + } + + { + struct multiboot_tag_basic_meminfo *tag + = (struct multiboot_tag_basic_meminfo *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_BASIC_MEMINFO; + tag->size = sizeof (struct multiboot_tag_basic_meminfo); + + /* Convert from bytes to kilobytes. */ + tag->mem_lower = grub_mmap_get_lower () / 1024; + tag->mem_upper = grub_mmap_get_upper () / 1024; + ptrorig += tag->size; + } + + if (bootdev_set) + { + struct multiboot_tag_bootdev *tag + = (struct multiboot_tag_bootdev *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_BOOTDEV; + tag->size = sizeof (struct multiboot_tag_bootdev); + + tag->biosdev = biosdev; + tag->slice = slice; + tag->part = part; + ptrorig += tag->size; + } + + { + err = retrieve_video_parameters (&ptrorig); + if (err) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + } + } + + { + struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig; + tag->type = MULTIBOOT_TAG_TYPE_END; + tag->size = sizeof (struct multiboot_tag); + ptrorig += tag->size; + } + + *(grub_uint32_t *) mbistart = ptrorig - mbistart; + + 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_device_t dev; + + slice = ~0; + part = ~0; + +#ifdef GRUB_MACHINE_PCBIOS + biosdev = grub_get_root_biosnumber (); +#else + biosdev = 0xffffffff; +#endif + + if (biosdev == 0xffffffff) + return; + + 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_set = 1; +}