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EFI support

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This commit is contained in:
phcoder 2009-09-03 19:19:59 +02:00
parent 0355f07404
commit 12d6fc8461
5 changed files with 65 additions and 56 deletions
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2
include/grub/autoefi.h
View file

@ -27,6 +27,7 @@
# include <grub/efi/efi.h>
# define grub_autoefi_get_memory_map grub_efi_get_memory_map
# define grub_autoefi_finish_boot_services grub_efi_finish_boot_services
# define grub_autoefi_exit_boot_services grub_efi_exit_boot_services
# define grub_autoefi_system_table grub_efi_system_table
# define grub_autoefi_mmap_iterate grub_machine_mmap_iterate
# define grub_autoefi_set_virtual_address_map grub_efi_set_virtual_address_map
@ -55,6 +56,7 @@ static inline grub_err_t grub_autoefi_prepare (void)
# include <grub/efiemu/efiemu.h>
# define grub_autoefi_get_memory_map grub_efiemu_get_memory_map
# define grub_autoefi_finish_boot_services grub_efiemu_finish_boot_services
# define grub_autoefi_exit_boot_services grub_efiemu_exit_boot_services
# define grub_autoefi_system_table grub_efiemu_system_table
# define grub_autoefi_mmap_iterate grub_efiemu_mmap_iterate
# define grub_autoefi_prepare grub_efiemu_prepare

1
include/grub/efi/api.h
View file

@ -21,6 +21,7 @@
#define GRUB_EFI_API_HEADER 1
#include <grub/types.h>
#include <grub/symbol.h>
/* For consistency and safety, we name the EFI-defined types differently.
All names are transformed into lower case, _t appended, and

2
include/grub/efi/efi.h
View file

@ -57,7 +57,7 @@ int EXPORT_FUNC(grub_efi_exit_boot_services) (grub_efi_uintn_t map_key);
void EXPORT_FUNC (grub_reboot) (void);
void EXPORT_FUNC (grub_halt) (void);
int EXPORT_FUNC (grub_efi_finish_boot_services) (void);
grub_err_t EXPORT_FUNC (grub_efiemu_set_virtual_address_map) (grub_efi_uintn_t memory_map_size,
grub_err_t EXPORT_FUNC (grub_efi_set_virtual_address_map) (grub_efi_uintn_t memory_map_size,
grub_efi_uintn_t descriptor_size,
grub_efi_uint32_t descriptor_version,
grub_efi_memory_descriptor_t *virtual_map);

4
kern/efi/efi.c
View file

@ -189,7 +189,7 @@ grub_efi_exit_boot_services (grub_efi_uintn_t map_key)
}
grub_err_t
grub_efiemu_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
grub_efi_uintn_t descriptor_size,
grub_efi_uint32_t descriptor_version,
grub_efi_memory_descriptor_t *virtual_map)
@ -204,7 +204,7 @@ grub_efiemu_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
if (status == GRUB_EFI_SUCCESS)
return GRUB_ERR_NONE;
return grub_errno (GRUB_ERR_IO, "set_virtual_address_map failed");
return grub_error (GRUB_ERR_IO, "set_virtual_address_map failed");
}
grub_uint32_t

100
loader/i386/xnu.c
View file

@ -452,21 +452,15 @@ grub_xnu_boot (void)
descriptor_size = 0;
descriptor_version = 0;
if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
&map_key, &descriptor_size,
&descriptor_version) < 0)
return grub_errno;
grub_dprintf ("xnu", "eip=%x\n", grub_xnu_entry_point);
memory_map = grub_xnu_heap_malloc (memory_map_size);
if (! memory_map)
return grub_errno;
const char *debug = grub_env_get ("debug");
if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
&map_key, &descriptor_size,
&descriptor_version) <= 0)
return grub_errno;
mmap_relloc_off = (grub_uint8_t *) memory_map
- (grub_uint8_t *) grub_xnu_heap_start;
if (debug && (grub_strword (debug, "all") || grub_strword (debug, "xnu")))
{
grub_printf ("Press any key to launch xnu\n");
grub_getkey ();
}
/* Relocate the boot parameters to heap. */
bootparams_relloc = grub_xnu_heap_malloc (sizeof (*bootparams_relloc));
@ -474,6 +468,37 @@ grub_xnu_boot (void)
return grub_errno;
bootparams_relloc_off = (grub_uint8_t *) bootparams_relloc
- (grub_uint8_t *) grub_xnu_heap_start;
/* Set video. */
err = grub_xnu_set_video (bootparams_relloc);
if (err != GRUB_ERR_NONE)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_printf ("Booting in blind mode\n");
bootparams_relloc->lfb_mode = 0;
bootparams_relloc->lfb_width = 0;
bootparams_relloc->lfb_height = 0;
bootparams_relloc->lfb_depth = 0;
bootparams_relloc->lfb_line_len = 0;
bootparams_relloc->lfb_base = 0;
}
if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
&map_key, &descriptor_size,
&descriptor_version) < 0)
return grub_errno;
/* We will do few allocations later. Reserve some space for possible
memory map growth. */
memory_map_size += 20 * descriptor_size;
memory_map = grub_xnu_heap_malloc (memory_map_size);
if (! memory_map)
return grub_errno;
mmap_relloc_off = (grub_uint8_t *) memory_map
- (grub_uint8_t *) grub_xnu_heap_start;
err = grub_xnu_writetree_toheap (&devtree, &devtreelen);
if (err)
return err;
@ -487,18 +512,20 @@ grub_xnu_boot (void)
+ grub_xnu_heap_will_be_at;
bootparams_relloc->devtreelen = devtreelen;
bootparams_relloc->efi_system_table
= PTR_TO_UINT32 (grub_autoefi_system_table);
bootparams_relloc->efi_mmap = grub_xnu_heap_will_be_at + mmap_relloc_off;
bootparams_relloc->efi_mmap_size = memory_map_size;
bootparams_relloc->efi_mem_desc_size = descriptor_size;
bootparams_relloc->efi_mem_desc_version = descriptor_version;
memory_map = (grub_efi_memory_descriptor_t *)
((grub_uint8_t *) grub_xnu_heap_start + mmap_relloc_off);
firstruntimeaddr = ALIGN_UP (((grub_addr_t) grub_xnu_heap_start
+ grub_xnu_heap_size + 4096), 4096);
curruntimeaddr = firstruntimeaddr;
if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
&map_key, &descriptor_size,
&descriptor_version) <= 0)
return grub_errno;
bootparams_relloc->efi_system_table
= PTR_TO_UINT32 (grub_autoefi_system_table);
for (i = 0; (unsigned) i < memory_map_size / descriptor_size; i++)
{
grub_efi_memory_descriptor_t *curdesc = (grub_efi_memory_descriptor_t *)
@ -525,6 +552,11 @@ grub_xnu_boot (void)
lastruntimeaddr = curruntimeaddr;
bootparams_relloc->efi_mmap = grub_xnu_heap_will_be_at + mmap_relloc_off;
bootparams_relloc->efi_mmap_size = memory_map_size;
bootparams_relloc->efi_mem_desc_size = descriptor_size;
bootparams_relloc->efi_mem_desc_version = descriptor_version;
bootparams_relloc->heap_start = grub_xnu_heap_will_be_at;
bootparams_relloc->heap_size = grub_xnu_heap_size;
bootparams_relloc->efi_runtime_first_page = firstruntimeaddr
@ -545,39 +577,13 @@ grub_xnu_boot (void)
grub_xnu_launch = (void (*) (void))
(grub_xnu_heap_start + grub_xnu_heap_size);
#endif
grub_dprintf ("xnu", "eip=%x\n", grub_xnu_entry_point);
grub_dprintf ("xnu", "launch=%p\n", grub_xnu_launch);
const char *debug = grub_env_get ("debug");
if (debug && (grub_strword (debug, "all") || grub_strword (debug, "xnu")))
{
grub_printf ("Press any key to launch xnu\n");
grub_getkey ();
}
/* Set video. */
err = grub_xnu_set_video (bootparams_relloc);
if (err != GRUB_ERR_NONE)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_printf ("Booting in blind mode\n");
bootparams_relloc->lfb_mode = 0;
bootparams_relloc->lfb_width = 0;
bootparams_relloc->lfb_height = 0;
bootparams_relloc->lfb_depth = 0;
bootparams_relloc->lfb_line_len = 0;
bootparams_relloc->lfb_base = 0;
}
grub_memcpy (grub_xnu_heap_start + grub_xnu_heap_size,
grub_xnu_launcher_start,
grub_xnu_launcher_end - grub_xnu_launcher_start);
if (! grub_autoefi_finish_boot_services ())
if (! grub_autoefi_exit_boot_services (map_key))
return grub_error (GRUB_ERR_IO, "can't exit boot services");
grub_autoefi_set_virtual_address_map (memory_map_size, descriptor_size,