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2009-05-02 Vladimir Serbinenko <phcoder@gmail.com>

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Mmap services

	* loader/i386/efi/linux.c (grub_linux_boot): use grub_mmap_iterate
	* loader/i386/linux.c (find_mmap_size): likewise
	(allocate_pages): likewise
	* loader/i386/multiboot.c (grub_get_multiboot_mmap_len): likewise
	(grub_fill_multiboot_mmap): likewise
	(grub_multiboot): use grub_mmap_get_lower and grub_mmap_get_upper
	* loader/i386/pc/linux.c (grub_cmd_linux): use grub_mmap_get_lower
	* include/grub/i386/bsd.h (OPENBSD_MMAP_AVAILABLE): new definition
	(OPENBSD_MMAP_RESERVED): likewise
	* include/grub/i386/pc/memory.h: include grub/memory.h
	(grub_lower_mem): removed
	(grub_upper_mem): likewise
	(GRUB_MACHINE_MEMORY_ACPI): new definition
	(GRUB_MACHINE_MEMORY_NVS): likewise
	(GRUB_MACHINE_MEMORY_MAX_TYPE): likewise
	(GRUB_MACHINE_MEMORY_HOLE): likewise
	(grub_machine_mmap_register): likewise
	(grub_machine_mmap_unregister): likewise
	(grub_machine_get_upper): likewise
	(grub_machine_get_lower): likewise
	(grub_machine_get_post64): likewise
	* include/grub/i386/efi/memory.h: new file
	* include/grub/x86_64/efi/memory.h: likewise
	* include/grub/efi/memory.h: likewise
	* conf/i386-pc.rmk (pkglib_MODULES): added mmap.mod
	(mmap_mod_SOURCES): new variable
	(mmap_mod_LDFLAGS): likewise
	(mmap_mod_ASFLAGS): likewise
	* conf/i386-coreboot.rmk: likewise
	* conf/i386-ieee1275.rmk: likewise
	* conf/i386-efi.rmk: likewise
	* conf/x86_64-efi.rmk: likewise
	* include/grub/types.h (UINT_TO_PTR): new macro
	(PTR_TO_UINT32): likewise
	(PTR_TO_UINT64): likewise
	* include/grub/memory.h: new file
	* mmap/i386/pc/mmap.c: likewise
	* mmap/i386/pc/mmap_helper.S: likewise
	* mmap/i386/uppermem.c: likewise
	* mmap/mmap.c: likewise
	* mmap/efi/mmap.c: likewise
	* kern/i386/coreboot/init.c (grub_machine_init): don't use 
	grub_upper_mem
	* kern/i386/pc/init.c (grub_lower_mem): removed variable
	(grub_upper_mem): likewise
	(grub_machine_init): don't use grub_upper_mem,
	make grub_lower_mem local
	* loader/i386/bsd.c (grub_openbsd_boot): use grub_mmap_get_lower,
	grub_mmap_iterate and grub_mmap_get_upper
	(grub_netbsd_boot): use grub_mmap_get_lower and grub_mmap_get_upper
This commit is contained in:
phcoder 2009-05-02 21:46:34 +00:00
parent d558e6b5ac
commit 09d842b9c6
27 changed files with 1579 additions and 128 deletions
Download patch file Download diff file Expand all files Collapse all files

46
loader/i386/bsd.c
View file

@ -313,30 +313,36 @@ static grub_err_t
grub_openbsd_boot (void)
{
char *buf = (char *) GRUB_BSD_TEMP_BUFFER;
struct grub_machine_mmap_entry mmap;
struct grub_openbsd_bios_mmap *pm;
struct grub_openbsd_bootargs *pa;
grub_uint32_t bootdev, biosdev, unit, slice, part, cont;
grub_uint32_t bootdev, biosdev, unit, slice, part;
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)
{
pm->addr = addr;
pm->len = size;
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
pm->type = OPENBSD_MMAP_AVAILABLE;
break;
default:
pm->type = OPENBSD_MMAP_RESERVED;
break;
}
pm++;
return 0;
}
pa = (struct grub_openbsd_bootargs *) buf;
pa->ba_type = OPENBSD_BOOTARG_MMAP;
pm = (struct grub_openbsd_bios_mmap *) (pa + 1);
cont = grub_get_mmap_entry (&mmap, 0);
if (mmap.size)
do
{
pm->addr = mmap.addr;
pm->len = mmap.len;
pm->type = mmap.type;
pm++;
if (!cont)
break;
cont = grub_get_mmap_entry (&mmap, cont);
}
while (mmap.size);
grub_mmap_iterate (hook);
pa->ba_size = (char *) pm - (char *) pa;
pa->ba_next = (struct grub_openbsd_bootargs *) pm;
@ -349,7 +355,8 @@ grub_openbsd_boot (void)
(part << OPENBSD_B_PARTSHIFT));
grub_unix_real_boot (entry, bootflags, bootdev, OPENBSD_BOOTARG_APIVER,
0, grub_upper_mem >> 10, grub_lower_mem >> 10,
0, grub_mmap_get_upper () >> 10,
grub_mmap_get_lower () >> 10,
(char *) pa - buf, buf);
/* Not reached. */
@ -377,7 +384,8 @@ grub_netbsd_boot (void)
bootinfo->bi_data[0] = rootdev;
grub_unix_real_boot (entry, bootflags, 0, bootinfo,
0, grub_upper_mem >> 10, grub_lower_mem >> 10);
0, grub_mmap_get_upper () >> 10,
grub_mmap_get_lower () >> 10);
/* Not reached. */
return GRUB_ERR_NONE;

117
loader/i386/efi/linux.c
View file

@ -32,6 +32,7 @@
#include <grub/efi/uga_draw.h>
#include <grub/pci.h>
#include <grub/command.h>
#include <grub/memory.h>
#define GRUB_LINUX_CL_OFFSET 0x1000
#define GRUB_LINUX_CL_END_OFFSET 0x2000
@ -300,7 +301,6 @@ grub_linux_boot (void)
grub_efi_uintn_t map_key;
grub_efi_uintn_t desc_size;
grub_efi_uint32_t desc_version;
grub_efi_memory_descriptor_t *desc;
int e820_num;
params = real_mode_mem;
@ -313,84 +313,53 @@ grub_linux_boot (void)
(unsigned) idt_desc.limit, (unsigned long) idt_desc.base,
(unsigned) gdt_desc.limit, (unsigned long) gdt_desc.base);
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)
{
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_RAM);
break;
#ifdef GRUB_MACHINE_MEMORY_ACPI
case GRUB_MACHINE_MEMORY_ACPI:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_ACPI);
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_NVS
case GRUB_MACHINE_MEMORY_NVS:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_NVS);
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_CODE
case GRUB_MACHINE_MEMORY_CODE:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_EXEC_CODE);
break;
#endif
default:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_RESERVED);
}
return 0;
}
e820_num = 0;
grub_mmap_iterate (hook);
params->mmap_size = e820_num;
mmap_size = find_mmap_size ();
if (grub_efi_get_memory_map (&mmap_size, mmap_buf, &map_key,
&desc_size, &desc_version) <= 0)
grub_fatal ("cannot get memory map");
e820_num = 0;
for (desc = mmap_buf;
desc < NEXT_MEMORY_DESCRIPTOR (mmap_buf, mmap_size);
desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
{
switch (desc->type)
{
case GRUB_EFI_ACPI_RECLAIM_MEMORY:
grub_e820_add_region (params->e820_map, &e820_num,
desc->physical_start,
desc->num_pages << 12,
GRUB_E820_ACPI);
break;
case GRUB_EFI_ACPI_MEMORY_NVS:
grub_e820_add_region (params->e820_map, &e820_num,
desc->physical_start,
desc->num_pages << 12,
GRUB_E820_NVS);
break;
case GRUB_EFI_RUNTIME_SERVICES_CODE:
grub_e820_add_region (params->e820_map, &e820_num,
desc->physical_start,
desc->num_pages << 12,
GRUB_E820_EXEC_CODE);
break;
case GRUB_EFI_LOADER_CODE:
case GRUB_EFI_LOADER_DATA:
case GRUB_EFI_BOOT_SERVICES_CODE:
case GRUB_EFI_BOOT_SERVICES_DATA:
case GRUB_EFI_CONVENTIONAL_MEMORY:
{
grub_uint64_t start, size, end;
start = desc->physical_start;
size = desc->num_pages << 12;
end = start + size;
/* Skip A0000 - 100000 region. */
if ((start < 0x100000ULL) && (end > 0xA0000ULL))
{
if (start < 0xA0000ULL)
{
grub_e820_add_region (params->e820_map, &e820_num,
start,
0xA0000ULL - start,
GRUB_E820_RAM);
}
if (end <= 0x100000ULL)
continue;
start = 0x100000ULL;
size = end - start;
}
grub_e820_add_region (params->e820_map, &e820_num,
start, size, GRUB_E820_RAM);
break;
}
default:
grub_e820_add_region (params->e820_map, &e820_num,
desc->physical_start,
desc->num_pages << 12,
GRUB_E820_RESERVED);
}
}
params->mmap_size = e820_num;
if (! grub_efi_exit_boot_services (map_key))
grub_fatal ("cannot exit boot services");

2
loader/i386/ieee1275/linux.c
View file

@ -100,7 +100,7 @@ grub_linux_boot (void)
grub_memset ((char *) params, 0, GRUB_OFW_LINUX_CL_OFFSET);
params->alt_mem = grub_upper_mem >> 10;
params->alt_mem = grub_mmap_get_upper () >> 10;
params->ext_mem = params->alt_mem;
lh->cmd_line_ptr = (char *)

28
loader/i386/linux.c
View file

@ -169,7 +169,7 @@ find_mmap_size (void)
return 0;
}
grub_machine_mmap_iterate (hook);
grub_mmap_iterate (hook);
mmap_size = count * sizeof (struct grub_e820_mmap);
@ -238,7 +238,7 @@ allocate_pages (grub_size_t prot_size)
return 0;
}
grub_machine_mmap_iterate (hook);
grub_mmap_iterate (hook);
if (! real_mode_mem)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate real mode pages");
@ -397,6 +397,27 @@ grub_linux_boot (void)
addr, size, GRUB_E820_RAM);
break;
#ifdef GRUB_MACHINE_MEMORY_ACPI
case GRUB_MACHINE_MEMORY_ACPI:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_ACPI);
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_NVS
case GRUB_MACHINE_MEMORY_NVS:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_NVS);
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_CODE
case GRUB_MACHINE_MEMORY_CODE:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_EXEC_CODE);
break;
#endif
default:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_RESERVED);
@ -405,9 +426,10 @@ grub_linux_boot (void)
}
e820_num = 0;
grub_machine_mmap_iterate (hook);
grub_mmap_iterate (hook);
params->mmap_size = e820_num;
/* Hardware interrupts are not safe any longer. */
asm volatile ("cli" : : );

8
loader/i386/multiboot.c
View file

@ -99,7 +99,7 @@ grub_get_multiboot_mmap_len (void)
return 0;
}
grub_machine_mmap_iterate (hook);
grub_mmap_iterate (hook);
return count * sizeof (struct grub_multiboot_mmap_entry);
}
@ -122,7 +122,7 @@ grub_fill_multiboot_mmap (struct grub_multiboot_mmap_entry *first_entry)
return 0;
}
grub_machine_mmap_iterate (hook);
grub_mmap_iterate (hook);
}
#define MULTIBOOT_LOAD_ELF64
@ -341,8 +341,8 @@ grub_multiboot (int argc, char *argv[])
grub_multiboot_payload_entry_offset);
/* Convert from bytes to kilobytes. */
mbi->mem_lower = grub_lower_mem / 1024;
mbi->mem_upper = grub_upper_mem / 1024;
mbi->mem_lower = grub_mmap_get_lower () / 1024;
mbi->mem_upper = grub_mmap_get_upper () / 1024;
mbi->flags |= MULTIBOOT_INFO_MEMORY;
cmdline = p = cmdline_addr (grub_multiboot_payload_orig);

11
loader/i386/pc/linux.c
View file

@ -108,8 +108,9 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
lh.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
/* Put the real mode part at as a high location as possible. */
grub_linux_real_addr = (char *) (grub_lower_mem
- GRUB_LINUX_SETUP_MOVE_SIZE);
grub_linux_real_addr
= (char *) UINT_TO_PTR (grub_mmap_get_lower ()
- GRUB_LINUX_SETUP_MOVE_SIZE);
/* But it must not exceed the traditional area. */
if (grub_linux_real_addr > (char *) GRUB_LINUX_OLD_REAL_MODE_ADDR)
grub_linux_real_addr = (char *) GRUB_LINUX_OLD_REAL_MODE_ADDR;
@ -159,12 +160,12 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
}
if (grub_linux_real_addr + GRUB_LINUX_SETUP_MOVE_SIZE
> (char *) grub_lower_mem)
> (char *) UINT_TO_PTR (grub_mmap_get_lower ()))
{
grub_error (GRUB_ERR_OUT_OF_RANGE,
"too small lower memory (0x%x > 0x%x)",
grub_linux_real_addr + GRUB_LINUX_SETUP_MOVE_SIZE,
(char *) grub_lower_mem);
grub_linux_real_addr + GRUB_LINUX_SETUP_MOVE_SIZE,
(int) grub_mmap_get_lower ());
goto fail;
}