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x86 multiboot.h

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Change-Id: I245564a98fb9e2572b88f8feb7411ad6800a543c
This commit is contained in:
Ben Gras 2013-12-10 22:47:53 +01:00 committed by Lionel Sambuc
parent 7df88eaa69
commit be9fe09e97
12 changed files with 111 additions and 213 deletions
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6
include/arch/earm/include/multiboot.h
View file

@ -292,7 +292,7 @@ struct multiboot_info
/* Kernel command line */
u32_t cmdline;
/* Boot-Module list */
u32_t mods_count;
u32_t mi_mods_count;
u32_t mods_addr;
union
{
@ -338,8 +338,8 @@ typedef struct multiboot_mod_list multiboot_module_t;
struct multiboot_mmap_entry
{
u32_t size;
u64_t addr;
u64_t len;
u64_t mm_base_addr;
u64_t mm_length;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
u32_t type;

4
include/minix/type.h
View file

@ -1,12 +1,14 @@
#ifndef _TYPE_H
#define _TYPE_H
#include <sys/types.h>
#include <machine/multiboot.h>
#ifndef _MINIX_SYS_CONFIG_H
#include <minix/sys_config.h>
#endif
#include <sys/types.h>
#include <sys/sigtypes.h>
#include <stdint.h>

28
kernel/arch/earm/pg_utils.c
View file

@ -26,7 +26,7 @@ void print_memmap(kinfo_t *cbi)
int m;
assert(cbi->mmap_size < MAXMEMMAP);
for(m = 0; m < cbi->mmap_size; m++) {
phys_bytes addr = cbi->memmap[m].addr, endit = cbi->memmap[m].addr + cbi->memmap[m].len;
phys_bytes addr = cbi->memmap[m].mm_base_addr, endit = cbi->memmap[m].mm_base_addr + cbi->memmap[m].mm_length;
printf("%08lx-%08lx ",addr, endit);
}
printf("\nsize %08lx\n", cbi->mmap_size);
@ -46,8 +46,8 @@ void cut_memmap(kinfo_t *cbi, phys_bytes start, phys_bytes end)
for(m = 0; m < cbi->mmap_size; m++) {
phys_bytes substart = start, subend = end;
phys_bytes memaddr = cbi->memmap[m].addr,
memend = cbi->memmap[m].addr + cbi->memmap[m].len;
phys_bytes memaddr = cbi->memmap[m].mm_base_addr,
memend = cbi->memmap[m].mm_base_addr + cbi->memmap[m].mm_length;
/* adjust cut range to be a subset of the free memory */
if(substart < memaddr) substart = memaddr;
@ -57,7 +57,7 @@ void cut_memmap(kinfo_t *cbi, phys_bytes start, phys_bytes end)
/* if there is any overlap, forget this one and add
* 1-2 subranges back
*/
cbi->memmap[m].addr = cbi->memmap[m].len = 0;
cbi->memmap[m].mm_base_addr = cbi->memmap[m].mm_length = 0;
if(substart > memaddr)
add_memmap(cbi, memaddr, substart-memaddr);
if(subend < memend)
@ -91,11 +91,11 @@ void add_memmap(kinfo_t *cbi, u64_t addr, u64_t len)
for(m = 0; m < MAXMEMMAP; m++) {
phys_bytes highmark;
if(cbi->memmap[m].len) {
if(cbi->memmap[m].mm_length) {
continue;
}
cbi->memmap[m].addr = addr;
cbi->memmap[m].len = len;
cbi->memmap[m].mm_base_addr = addr;
cbi->memmap[m].mm_length = len;
cbi->memmap[m].type = MULTIBOOT_MEMORY_AVAILABLE;
if(m >= cbi->mmap_size) {
cbi->mmap_size = m+1;
@ -136,16 +136,16 @@ phys_bytes pg_alloc_page(kinfo_t *cbi)
for(m = 0; m < cbi->mmap_size; m++) {
mmap = &cbi->memmap[m];
if(!mmap->len) {
if(!mmap->mm_length) {
continue;
}
assert(mmap->len > 0);
assert(!(mmap->len % ARM_PAGE_SIZE));
assert(!(mmap->addr % ARM_PAGE_SIZE));
assert(mmap->mm_length > 0);
assert(!(mmap->mm_length % ARM_PAGE_SIZE));
assert(!(mmap->mm_base_addr % ARM_PAGE_SIZE));
u32_t addr = mmap->addr;
mmap->addr += ARM_PAGE_SIZE;
mmap->len -= ARM_PAGE_SIZE;
u32_t addr = mmap->mm_base_addr;
mmap->mm_base_addr += ARM_PAGE_SIZE;
mmap->mm_length -= ARM_PAGE_SIZE;
cbi->kernel_allocated_bytes_dynamic += ARM_PAGE_SIZE;

18
kernel/arch/earm/pre_init.c
View file

@ -187,7 +187,7 @@ void setup_mbi(multiboot_info_t *mbi, char *bootargs)
memset(mbi, 0, sizeof(*mbi));
mbi->flags = MULTIBOOT_INFO_MODS | MULTIBOOT_INFO_MEM_MAP |
MULTIBOOT_INFO_CMDLINE;
mbi->mods_count = MB_MODS_NR;
mbi->mi_mods_count = MB_MODS_NR;
mbi->mods_addr = (u32_t)&mb_modlist;
int i;
@ -205,8 +205,8 @@ void setup_mbi(multiboot_info_t *mbi, char *bootargs)
mbi->mmap_length = sizeof(mb_memmap);
mb_memmap.size = sizeof(multiboot_memory_map_t);
mb_memmap.addr = MB_MMAP_START;
mb_memmap.len = MB_MMAP_SIZE;
mb_memmap.mm_base_addr = MB_MMAP_START;
mb_memmap.mm_length = MB_MMAP_SIZE;
mb_memmap.type = MULTIBOOT_MEMORY_AVAILABLE;
}
@ -286,10 +286,10 @@ void get_parameters(kinfo_t *cbi, char *bootargs)
assert(!(cbi->bootstrap_start % ARM_PAGE_SIZE));
cbi->bootstrap_len = rounddown(cbi->bootstrap_len, ARM_PAGE_SIZE);
assert(mbi->flags & MULTIBOOT_INFO_MODS);
assert(mbi->mods_count < MULTIBOOT_MAX_MODS);
assert(mbi->mods_count > 0);
assert(mbi->mi_mods_count < MULTIBOOT_MAX_MODS);
assert(mbi->mi_mods_count > 0);
memcpy(&cbi->module_list, (void *) mbi->mods_addr,
mbi->mods_count * sizeof(multiboot_module_t));
mbi->mi_mods_count * sizeof(multiboot_module_t));
memset(cbi->memmap, 0, sizeof(cbi->memmap));
/* mem_map has a variable layout */
@ -300,7 +300,7 @@ void get_parameters(kinfo_t *cbi, char *bootargs)
mmap = (multiboot_memory_map_t *)
((unsigned long) mmap + mmap->size + sizeof(mmap->size))) {
if(mmap->type != MULTIBOOT_MEMORY_AVAILABLE) continue;
add_memmap(cbi, mmap->addr, mmap->len);
add_memmap(cbi, mmap->mm_base_addr, mmap->mm_length);
}
} else {
assert(mbi->flags & MULTIBOOT_INFO_MEMORY);
@ -312,11 +312,11 @@ void get_parameters(kinfo_t *cbi, char *bootargs)
* with each other. Pretend the kernel is an extra module for a
* second.
*/
k = mbi->mods_count;
k = mbi->mi_mods_count;
assert(k < MULTIBOOT_MAX_MODS);
cbi->module_list[k].mod_start = kernbase;
cbi->module_list[k].mod_end = kernbase + kernsize;
cbi->mods_with_kernel = mbi->mods_count+1;
cbi->mods_with_kernel = mbi->mi_mods_count+1;
cbi->kern_mod = k;
for(m = 0; m < cbi->mods_with_kernel; m++) {

2
kernel/arch/earm/protect.c
View file

@ -64,7 +64,7 @@ multiboot_module_t *bootmod(int pnr)
p = i - NR_TASKS;
if(image[i].proc_nr == pnr) {
assert(p < MULTIBOOT_MAX_MODS);
assert(p < kinfo.mbi.mods_count);
assert(p < kinfo.mbi.mi_mods_count);
return &kinfo.module_list[p];
}
}

2
kernel/arch/i386/head.S
View file

@ -42,7 +42,7 @@ MINIX:
.balign 8
#define MULTIBOOT_FLAGS (MULTIBOOT_MEMORY_INFO | MULTIBOOT_PAGE_ALIGN)
#define MULTIBOOT_FLAGS (MULTIBOOT_HEADER_WANT_MEMORY | MULTIBOOT_HEADER_MODS_ALIGNED)
multiboot_magic:
.long MULTIBOOT_HEADER_MAGIC

32
kernel/arch/i386/pg_utils.c
View file

@ -23,7 +23,7 @@ void print_memmap(kinfo_t *cbi)
int m;
assert(cbi->mmap_size < MAXMEMMAP);
for(m = 0; m < cbi->mmap_size; m++) {
phys_bytes addr = cbi->memmap[m].addr, endit = cbi->memmap[m].addr + cbi->memmap[m].len;
phys_bytes addr = cbi->memmap[m].mm_base_addr, endit = cbi->memmap[m].mm_base_addr + cbi->memmap[m].mm_length;
printf("%08lx-%08lx ",addr, endit);
}
printf("\nsize %08lx\n", cbi->mmap_size);
@ -43,8 +43,8 @@ void cut_memmap(kinfo_t *cbi, phys_bytes start, phys_bytes end)
for(m = 0; m < cbi->mmap_size; m++) {
phys_bytes substart = start, subend = end;
phys_bytes memaddr = cbi->memmap[m].addr,
memend = cbi->memmap[m].addr + cbi->memmap[m].len;
phys_bytes memaddr = cbi->memmap[m].mm_base_addr,
memend = cbi->memmap[m].mm_base_addr + cbi->memmap[m].mm_length;
/* adjust cut range to be a subset of the free memory */
if(substart < memaddr) substart = memaddr;
@ -54,7 +54,7 @@ void cut_memmap(kinfo_t *cbi, phys_bytes start, phys_bytes end)
/* if there is any overlap, forget this one and add
* 1-2 subranges back
*/
cbi->memmap[m].addr = cbi->memmap[m].len = 0;
cbi->memmap[m].mm_base_addr = cbi->memmap[m].mm_length = 0;
if(substart > memaddr)
add_memmap(cbi, memaddr, substart-memaddr);
if(subend < memend)
@ -74,8 +74,8 @@ phys_bytes alloc_lowest(kinfo_t *cbi, phys_bytes len)
assert(kernel_may_alloc);
for(m = 0; m < cbi->mmap_size; m++) {
if(cbi->memmap[m].len < len) continue;
if(cbi->memmap[m].addr < lowest) lowest = cbi->memmap[m].addr;
if(cbi->memmap[m].mm_length < len) continue;
if(cbi->memmap[m].mm_base_addr < lowest) lowest = cbi->memmap[m].mm_base_addr;
}
assert(lowest != EMPTY);
cut_memmap(cbi, lowest, len);
@ -103,10 +103,10 @@ void add_memmap(kinfo_t *cbi, u64_t addr, u64_t len)
for(m = 0; m < MAXMEMMAP; m++) {
phys_bytes highmark;
if(cbi->memmap[m].len) continue;
cbi->memmap[m].addr = addr;
cbi->memmap[m].len = len;
cbi->memmap[m].type = MULTIBOOT_MEMORY_AVAILABLE;
if(cbi->memmap[m].mm_length) continue;
cbi->memmap[m].mm_base_addr = addr;
cbi->memmap[m].mm_length = len;
cbi->memmap[m].mm_type = MULTIBOOT_MEMORY_AVAILABLE;
if(m >= cbi->mmap_size)
cbi->mmap_size = m+1;
highmark = addr + len;
@ -144,16 +144,16 @@ phys_bytes pg_alloc_page(kinfo_t *cbi)
for(m = cbi->mmap_size-1; m >= 0; m--) {
mmap = &cbi->memmap[m];
if(!mmap->len) continue;
assert(mmap->len > 0);
assert(!(mmap->len % I386_PAGE_SIZE));
assert(!(mmap->addr % I386_PAGE_SIZE));
if(!mmap->mm_length) continue;
assert(mmap->mm_length > 0);
assert(!(mmap->mm_length % I386_PAGE_SIZE));
assert(!(mmap->mm_base_addr % I386_PAGE_SIZE));
mmap->len -= I386_PAGE_SIZE;
mmap->mm_length -= I386_PAGE_SIZE;
cbi->kernel_allocated_bytes_dynamic += I386_PAGE_SIZE;
return mmap->addr + mmap->len;
return mmap->mm_base_addr + mmap->mm_length;
}
panic("can't find free memory");

34
kernel/arch/i386/pre_init.c
View file

@ -129,12 +129,12 @@ void get_parameters(u32_t ebx, kinfo_t *cbi)
cbi->serial_debug_baud = 115200;
/* parse boot command line */
if (mbi->flags&MULTIBOOT_INFO_CMDLINE) {
if (mbi->mi_flags & MULTIBOOT_INFO_HAS_CMDLINE) {
static char var[BUF];
static char value[BUF];
/* Override values with cmdline argument */
memcpy(cmdline, (void *) mbi->cmdline, BUF);
memcpy(cmdline, (void *) mbi->mi_cmdline, BUF);
p = cmdline;
while (*p) {
var_i = 0;
@ -172,38 +172,38 @@ void get_parameters(u32_t ebx, kinfo_t *cbi)
assert(!(cbi->bootstrap_start % I386_PAGE_SIZE));
cbi->bootstrap_len = rounddown(cbi->bootstrap_len, I386_PAGE_SIZE);
assert(mbi->flags & MULTIBOOT_INFO_MODS);
assert(mbi->mods_count < MULTIBOOT_MAX_MODS);
assert(mbi->mods_count > 0);
memcpy(&cbi->module_list, (void *) mbi->mods_addr,
mbi->mods_count * sizeof(multiboot_module_t));
assert(mbi->mi_flags & MULTIBOOT_INFO_HAS_MODS);
assert(mbi->mi_mods_count < MULTIBOOT_MAX_MODS);
assert(mbi->mi_mods_count > 0);
memcpy(&cbi->module_list, (void *) mbi->mi_mods_addr,
mbi->mi_mods_count * sizeof(multiboot_module_t));
memset(cbi->memmap, 0, sizeof(cbi->memmap));
/* mem_map has a variable layout */
if(mbi->flags & MULTIBOOT_INFO_MEM_MAP) {
if(mbi->mi_flags & MULTIBOOT_INFO_HAS_MMAP) {
cbi->mmap_size = 0;
for (mmap = (multiboot_memory_map_t *) mbi->mmap_addr;
(unsigned long) mmap < mbi->mmap_addr + mbi->mmap_length;
mmap = (multiboot_memory_map_t *)
((unsigned long) mmap + mmap->size + sizeof(mmap->size))) {
if(mmap->type != MULTIBOOT_MEMORY_AVAILABLE) continue;
add_memmap(cbi, mmap->addr, mmap->len);
((unsigned long) mmap + mmap->mm_size + sizeof(mmap->mm_size))) {
if(mmap->mm_type != MULTIBOOT_MEMORY_AVAILABLE) continue;
add_memmap(cbi, mmap->mm_base_addr, mmap->mm_length);
}
} else {
assert(mbi->flags & MULTIBOOT_INFO_MEMORY);
add_memmap(cbi, 0, mbi->mem_lower_unused*1024);
add_memmap(cbi, 0x100000, mbi->mem_upper_unused*1024);
assert(mbi->mi_flags & MULTIBOOT_INFO_HAS_MEMORY);
add_memmap(cbi, 0, mbi->mi_mem_lower*1024);
add_memmap(cbi, 0x100000, mbi->mi_mem_upper*1024);
}
/* Sanity check: the kernel nor any of the modules may overlap
* with each other. Pretend the kernel is an extra module for a
* second.
*/
k = mbi->mods_count;
k = mbi->mi_mods_count;
assert(k < MULTIBOOT_MAX_MODS);
cbi->module_list[k].mod_start = kernbase;
cbi->module_list[k].mod_end = kernbase + kernsize;
cbi->mods_with_kernel = mbi->mods_count+1;
cbi->mods_with_kernel = mbi->mi_mods_count+1;
cbi->kern_mod = k;
for(m = 0; m < cbi->mods_with_kernel; m++) {
@ -229,7 +229,7 @@ kinfo_t *pre_init(u32_t magic, u32_t ebx)
*/
get_parameters(ebx, &kinfo);
assert(magic == MULTIBOOT_BOOTLOADER_MAGIC);
assert(magic == MULTIBOOT_INFO_MAGIC);
/* Make and load a pagetable that will map the kernel
* to where it should be; but first a 1:1 mapping so

3
kernel/arch/i386/protect.c
View file

@ -7,6 +7,7 @@
#include <string.h>
#include <minix/cpufeature.h>
#include <sys/types.h>
#include <machine/multiboot.h>
#include "kernel/kernel.h"
@ -286,7 +287,7 @@ multiboot_module_t *bootmod(int pnr)
p = i - NR_TASKS;
if(image[i].proc_nr == pnr) {
assert(p < MULTIBOOT_MAX_MODS);
assert(p < kinfo.mbi.mods_count);
assert(p < kinfo.mbi.mi_mods_count);
return &kinfo.module_list[p];
}
}

4
kernel/main.c
View file

@ -152,9 +152,9 @@ void kmain(kinfo_t *local_cbi)
proc_init();
if(NR_BOOT_MODULES != kinfo.mbi.mods_count)
if(NR_BOOT_MODULES != kinfo.mbi.mi_mods_count)
panic("expecting %d boot processes/modules, found %d",
NR_BOOT_MODULES, kinfo.mbi.mods_count);
NR_BOOT_MODULES, kinfo.mbi.mi_mods_count);
/* Set up proc table entries for processes in boot image. */
for (i=0; i < NR_BOOT_PROCS; ++i) {

4
servers/vm/utility.c
View file

@ -58,8 +58,8 @@ struct memory *mem_chunks) /* store mem chunks here */
/* Obtain and parse memory from kernel environment. */
/* XXX Any memory chunk in excess of NR_MEMS is silently ignored. */
for(i = 0; i < MIN(MAXMEMMAP, NR_MEMS); i++) {
mem_chunks[i].base = kernel_boot_info.memmap[i].addr;
mem_chunks[i].size = kernel_boot_info.memmap[i].len;
mem_chunks[i].base = kernel_boot_info.memmap[i].mm_base_addr;
mem_chunks[i].size = kernel_boot_info.memmap[i].mm_length;
}
/* Round physical memory to clicks. Round start up, round end down. */

187
sys/arch/i386/include/multiboot.h
View file

@ -1,3 +1,6 @@
#ifndef _MACHINE_MULTIBOOT_H
#define _MACHINE_MULTIBOOT_H 1
/* $NetBSD: multiboot.h,v 1.8 2009/02/22 18:05:42 ahoka Exp $ */
/*-
@ -28,10 +31,6 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MULTIBOOT_H__
#define __MULTIBOOT_H__
#if !defined(_KERNEL) && defined(_STANDALONE)
/* --------------------------------------------------------------------- */
@ -44,6 +43,8 @@
#define MULTIBOOT_HEADER_HAS_VBE 0x00000004
#define MULTIBOOT_HEADER_HAS_ADDR 0x00010000
#ifndef __ASSEMBLY__
#if !defined(_LOCORE)
struct multiboot_header {
uint32_t mh_magic;
@ -72,6 +73,8 @@ struct multiboot_header {
extern struct multiboot_header *Multiboot_Header;
#endif /* !defined(_LOCORE) && defined(_KERNEL) */
#endif /* __ASSEMBLY__ */
/* --------------------------------------------------------------------- */
/*
@ -91,6 +94,8 @@ extern struct multiboot_header *Multiboot_Header;
#define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400
#define MULTIBOOT_INFO_HAS_VBE 0x00000800
#ifndef __ASSEMBLY__
#if !defined(_LOCORE)
struct multiboot_info {
uint32_t mi_flags;
@ -190,7 +195,35 @@ struct multiboot_module {
uint32_t mmo_reserved;
};
#endif /* !defined(_LOCORE) */
#endif
#endif /* __ASSEMBLY__ */
#ifdef __minix
#ifndef __ASSEMBLY__
typedef struct multiboot_info multiboot_info_t;
typedef struct multiboot_module multiboot_module_t;
typedef struct multiboot_mmap multiboot_memory_map_t;
#endif
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MAX_MODS 20
#define mod_start mmo_start
#define mod_end mmo_end
#define mmap_addr mi_mmap_addr
#define mmap_length mi_mmap_length
#define MULTIBOOT_VIDEO_MODE 0x00000004
#define MULTIBOOT_VIDEO_MODE_EGA 1
#define MULTIBOOT_VIDEO_BUFFER 0xB8000
#define MULTIBOOT_CONSOLE_LINES 25
#define MULTIBOOT_CONSOLE_COLS 80
#endif
/* --------------------------------------------------------------------- */
@ -205,147 +238,9 @@ bool multiboot_ksyms_addsyms_elf(void);
#endif /* !defined(_LOCORE) */
/* --------------------------------------------------------------------- */
#else /* !defined(_KERNEL) && defined(_STANDALONE) */
/* LSC FIXME: OLD MINIX DEFINITION: should be removed and replace with
definition above... */
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
/* Must pass memory information to OS. */
#define MULTIBOOT_PAGE_ALIGN 0x00000001
#define MULTIBOOT_MEMORY_INFO 0x00000002
#define MULTIBOOT_VIDEO_MODE 0x00000004
#define MULTIBOOT_AOUT_KLUDGE 0x00010000
/* consts used for Multiboot pre-init */
#define MULTIBOOT_VIDEO_MODE_EGA 1
#define MULTIBOOT_VIDEO_BUFFER 0xB8000
/* Usable lower memory chunk has a upper bound */
#define MULTIBOOT_LOWER_MEM_MAX 0x7f800
#define MULTIBOOT_CONSOLE_LINES 25
#define MULTIBOOT_CONSOLE_COLS 80
#define MULTIBOOT_VIDEO_BUFFER_BYTES \
(MULTIBOOT_CONSOLE_LINES*MULTIBOOT_CONSOLE_COLS*2)
#define MULTIBOOT_STACK_SIZE 4096
#ifdef __minix
#define MULTIBOOT_PARAM_BUF_SIZE 1024
#endif
#define MULTIBOOT_MAX_MODS 20
/* Flags to be set in the ’flags’ member of the multiboot info structure. */
#define MULTIBOOT_INFO_MEMORY 0x00000001
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
/* Is there a boot device set? */
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
/* Is the command-line defined? */
#define MULTIBOOT_INFO_CMDLINE 0x00000004
/* Are there modules to do something with? */
#define MULTIBOOT_INFO_MODS 0x00000008
#define MULTIBOOT_HIGH_MEM_BASE 0x100000
#ifndef __ASSEMBLY__
#include <sys/types.h>
/* The symbol table for a.out. */
struct multiboot_aout_symbol_table
{
u32_t tabsize;
u32_t strsize;
u32_t addr;
u32_t reserved;
};
/* The section header table for ELF. */
struct multiboot_elf_section_header_table
{
u32_t num;
u32_t size;
u32_t addr;
u32_t shndx;
};
typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
struct multiboot_info
{
/* Multiboot info version number */
u32_t flags;
/* Available memory from BIOS */
u32_t mem_lower_unused; /* minix uses memmap instead */
u32_t mem_upper_unused;
/* "root" partition */
u32_t boot_device;
/* Kernel command line */
u32_t cmdline;
/* Boot-Module list */
u32_t mods_count;
u32_t mods_addr;
union
{
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} u;
/* Memory Mapping buffer */
u32_t mmap_length;
u32_t mmap_addr;
/* Drive Info buffer */
u32_t drives_length;
u32_t drives_addr;
/* ROM configuration table */
u32_t config_table;
/* Boot Loader Name */
u32_t boot_loader_name;
/* APM table */
u32_t apm_table;
/* Video */
u32_t vbe_control_info;
u32_t vbe_mode_info;
u16_t vbe_mode;
u16_t vbe_interface_seg;
u16_t vbe_interface_off;
u16_t vbe_interface_len;
};
typedef struct multiboot_info multiboot_info_t;
struct multiboot_mod_list
{
/* Memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
u32_t mod_start;
u32_t mod_end;
/* Module command line */
u32_t cmdline;
/* Pad struct to 16 bytes (must be zero) */
u32_t pad;
};
typedef struct multiboot_mod_list multiboot_module_t;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
struct multiboot_mmap_entry
{
u32_t size;
u64_t addr;
u64_t len;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
u32_t type;
} __attribute__((packed));
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
#endif /* __ASSEMBLY__ */
#endif /* !defined(_KERNEL) && defined(_STANDALONE) */
#endif /* __MULTIBOOT_H__ */
#endif