libpayload: rename i386 to x86
Change-Id: Ia9170bd3d04e76dbf9321ca7ea4be23b5e468d21 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2033 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
committed by
Ronald G. Minnich
parent
9aaf7d17bb
commit
f6935a006a
103
payloads/libpayload/arch/x86/multiboot.c
Normal file
103
payloads/libpayload/arch/x86/multiboot.c
Normal file
@@ -0,0 +1,103 @@
|
||||
/*
|
||||
* This file is part of the libpayload project.
|
||||
*
|
||||
* Copyright (C) 2008 Advanced Micro Devices, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <libpayload-config.h>
|
||||
#include <libpayload.h>
|
||||
#include <multiboot_tables.h>
|
||||
|
||||
extern unsigned long loader_eax;
|
||||
extern unsigned long loader_ebx;
|
||||
|
||||
static void mb_parse_mmap(struct multiboot_header *table,
|
||||
struct sysinfo_t *info)
|
||||
{
|
||||
u8 *start = (u8 *) phys_to_virt(table->mmap_addr);
|
||||
u8 *ptr = start;
|
||||
|
||||
info->n_memranges = 0;
|
||||
|
||||
while(ptr < (start + table->mmap_length)) {
|
||||
struct multiboot_mmap *mmap = (struct multiboot_mmap *) ptr;
|
||||
|
||||
#ifdef CONFIG_MEMMAP_RAM_ONLY
|
||||
/* 1 == normal RAM. Ignore everything else for now */
|
||||
|
||||
if (mmap->type == 1) {
|
||||
#endif
|
||||
info->memrange[info->n_memranges].base = mmap->addr;
|
||||
info->memrange[info->n_memranges].size = mmap->length;
|
||||
info->memrange[info->n_memranges].type = mmap->type;
|
||||
|
||||
if (++info->n_memranges == SYSINFO_MAX_MEM_RANGES)
|
||||
return;
|
||||
#ifdef CONFIG_MEMMAP_RAM_ONLY
|
||||
}
|
||||
#endif
|
||||
|
||||
ptr += (mmap->size + sizeof(mmap->size));
|
||||
}
|
||||
}
|
||||
|
||||
static void mb_parse_cmdline(struct multiboot_header *table)
|
||||
{
|
||||
extern int main_argc;
|
||||
extern char *main_argv[];
|
||||
char *c = phys_to_virt(table->cmdline);
|
||||
|
||||
while(*c != '\0' && main_argc < MAX_ARGC_COUNT) {
|
||||
main_argv[main_argc++] = c;
|
||||
|
||||
for( ; *c != '\0' && !isspace(*c); c++);
|
||||
|
||||
if (*c) {
|
||||
*c = 0;
|
||||
c++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int get_multiboot_info(struct sysinfo_t *info)
|
||||
{
|
||||
struct multiboot_header *table;
|
||||
|
||||
if (loader_eax != MULTIBOOT_MAGIC)
|
||||
return -1;
|
||||
|
||||
table = (struct multiboot_header *) phys_to_virt(loader_ebx);
|
||||
|
||||
info->mbtable = phys_to_virt(loader_ebx);
|
||||
|
||||
if (table->flags & MULTIBOOT_FLAGS_MMAP)
|
||||
mb_parse_mmap(table, info);
|
||||
|
||||
if (table->flags & MULTIBOOT_FLAGS_CMDLINE)
|
||||
mb_parse_cmdline(table);
|
||||
|
||||
return 0;
|
||||
}
|
Reference in New Issue
Block a user