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merge mainline into newreloc

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-05-04 17:35:44 +02:00
commit 6a82c1b2db
26 changed files with 429 additions and 97 deletions
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11
kern/corecmd.c
View file

@ -26,6 +26,7 @@
#include <grub/file.h>
#include <grub/device.h>
#include <grub/command.h>
#include <grub/i18n.h>
/* set ENVVAR=VALUE */
static grub_err_t
@ -178,11 +179,13 @@ void
grub_register_core_commands (void)
{
grub_register_command ("set", grub_core_cmd_set,
"[ENVVAR=VALUE]", "Set an environment variable.");
N_("[ENVVAR=VALUE]"),
N_("Set an environment variable."));
grub_register_command ("unset", grub_core_cmd_unset,
"ENVVAR", "Remove an environment variable.");
N_("ENVVAR"),
N_("Remove an environment variable."));
grub_register_command ("ls", grub_core_cmd_ls,
"[ARG]", "List devices or files.");
N_("[ARG]"), N_("List devices or files."));
grub_register_command ("insmod", grub_core_cmd_insmod,
"MODULE", "Insert a module.");
N_("MODULE"), N_("Insert a module."));
}

2
kern/main.c
View file

@ -102,7 +102,7 @@ grub_load_config (void)
auto int hook (struct grub_module_header *);
int hook (struct grub_module_header *header)
{
/* Not an ELF module, skip. */
/* Not an embedded config, skip. */
if (header->type != OBJ_TYPE_CONFIG)
return 0;

35
kern/mm.c
View file

@ -113,14 +113,14 @@ grub_mm_init_region (void *addr, grub_size_t size)
grub_printf ("Using memory for heap: start=%p, end=%p\n", addr, addr + (unsigned int) size);
#endif
/* If this region is too small, ignore it. */
if (size < GRUB_MM_ALIGN * 2)
return;
/* Allocate a region from the head. */
r = (grub_mm_region_t) ALIGN_UP ((grub_addr_t) addr, GRUB_MM_ALIGN);
size -= (char *) r - (char *) addr + sizeof (*r);
/* If this region is too small, ignore it. */
if (size < GRUB_MM_ALIGN)
return;
h = (grub_mm_header_t) (r + 1);
h->next = h;
h->magic = GRUB_MM_FREE_MAGIC;
@ -185,9 +185,8 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
+---------------+ v
*/
q->next = p->next;
p->magic = GRUB_MM_ALLOC_MAGIC;
}
else if (extra == 0 || p->size == n + extra)
else if (align == 1 || p->size == n + extra)
{
/* There might be alignment requirement, when taking it into
account memory block fits in.
@ -204,10 +203,25 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
| alloc, size=n | |
+---------------+ v
*/
p->size -= n;
p += p->size;
p->size = n;
p->magic = GRUB_MM_ALLOC_MAGIC;
}
else if (extra == 0)
{
grub_mm_header_t r;
r = p + extra + n;
r->magic = GRUB_MM_FREE_MAGIC;
r->size = p->size - extra - n;
r->next = p->next;
q->next = r;
if (q == p)
{
q = r;
r->next = r;
}
}
else
{
@ -241,10 +255,11 @@ grub_real_malloc (grub_mm_header_t *first, grub_size_t n, grub_size_t align)
p->size = extra;
q->next = r;
p += extra;
p->size = n;
p->magic = GRUB_MM_ALLOC_MAGIC;
}
p->magic = GRUB_MM_ALLOC_MAGIC;
p->size = n;
/* Mark find as a start marker for next allocation to fasten it.
This will have side effect of fragmenting memory as small
pieces before this will be un-used. */