mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
Merge branch 'arm/efi-stub' into next
This commit is contained in:
commit
9efff3899b
5 changed files with 170 additions and 159 deletions
|
@ -424,6 +424,7 @@ extern void __iomem * ioremap(unsigned long offset, unsigned long size);
|
||||||
extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
|
extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
|
||||||
extern void iounmap (volatile void __iomem *addr);
|
extern void iounmap (volatile void __iomem *addr);
|
||||||
extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
|
extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
|
||||||
|
#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size)
|
||||||
extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
|
extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
|
||||||
static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size)
|
static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size)
|
||||||
{
|
{
|
||||||
|
|
|
@ -44,10 +44,15 @@
|
||||||
|
|
||||||
#define EFI_DEBUG 0
|
#define EFI_DEBUG 0
|
||||||
|
|
||||||
|
static __initdata unsigned long palo_phys;
|
||||||
|
|
||||||
|
static __initdata efi_config_table_type_t arch_tables[] = {
|
||||||
|
{PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, "PALO", &palo_phys},
|
||||||
|
{NULL_GUID, NULL, 0},
|
||||||
|
};
|
||||||
|
|
||||||
extern efi_status_t efi_call_phys (void *, ...);
|
extern efi_status_t efi_call_phys (void *, ...);
|
||||||
|
|
||||||
struct efi efi;
|
|
||||||
EXPORT_SYMBOL(efi);
|
|
||||||
static efi_runtime_services_t *runtime;
|
static efi_runtime_services_t *runtime;
|
||||||
static u64 mem_limit = ~0UL, max_addr = ~0UL, min_addr = 0UL;
|
static u64 mem_limit = ~0UL, max_addr = ~0UL, min_addr = 0UL;
|
||||||
|
|
||||||
|
@ -423,9 +428,9 @@ static u8 __init palo_checksum(u8 *buffer, u32 length)
|
||||||
* Parse and handle PALO table which is published at:
|
* Parse and handle PALO table which is published at:
|
||||||
* http://www.dig64.org/home/DIG64_PALO_R1_0.pdf
|
* http://www.dig64.org/home/DIG64_PALO_R1_0.pdf
|
||||||
*/
|
*/
|
||||||
static void __init handle_palo(unsigned long palo_phys)
|
static void __init handle_palo(unsigned long phys_addr)
|
||||||
{
|
{
|
||||||
struct palo_table *palo = __va(palo_phys);
|
struct palo_table *palo = __va(phys_addr);
|
||||||
u8 checksum;
|
u8 checksum;
|
||||||
|
|
||||||
if (strncmp(palo->signature, PALO_SIG, sizeof(PALO_SIG) - 1)) {
|
if (strncmp(palo->signature, PALO_SIG, sizeof(PALO_SIG) - 1)) {
|
||||||
|
@ -467,12 +472,10 @@ void __init
|
||||||
efi_init (void)
|
efi_init (void)
|
||||||
{
|
{
|
||||||
void *efi_map_start, *efi_map_end;
|
void *efi_map_start, *efi_map_end;
|
||||||
efi_config_table_t *config_tables;
|
|
||||||
efi_char16_t *c16;
|
efi_char16_t *c16;
|
||||||
u64 efi_desc_size;
|
u64 efi_desc_size;
|
||||||
char *cp, vendor[100] = "unknown";
|
char *cp, vendor[100] = "unknown";
|
||||||
int i;
|
int i;
|
||||||
unsigned long palo_phys;
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* It's too early to be able to use the standard kernel command line
|
* It's too early to be able to use the standard kernel command line
|
||||||
|
@ -514,8 +517,6 @@ efi_init (void)
|
||||||
efi.systab->hdr.revision >> 16,
|
efi.systab->hdr.revision >> 16,
|
||||||
efi.systab->hdr.revision & 0xffff);
|
efi.systab->hdr.revision & 0xffff);
|
||||||
|
|
||||||
config_tables = __va(efi.systab->tables);
|
|
||||||
|
|
||||||
/* Show what we know for posterity */
|
/* Show what we know for posterity */
|
||||||
c16 = __va(efi.systab->fw_vendor);
|
c16 = __va(efi.systab->fw_vendor);
|
||||||
if (c16) {
|
if (c16) {
|
||||||
|
@ -528,43 +529,10 @@ efi_init (void)
|
||||||
efi.systab->hdr.revision >> 16,
|
efi.systab->hdr.revision >> 16,
|
||||||
efi.systab->hdr.revision & 0xffff, vendor);
|
efi.systab->hdr.revision & 0xffff, vendor);
|
||||||
|
|
||||||
efi.mps = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.acpi = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.acpi20 = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.smbios = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.sal_systab = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.boot_info = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.hcdp = EFI_INVALID_TABLE_ADDR;
|
|
||||||
efi.uga = EFI_INVALID_TABLE_ADDR;
|
|
||||||
|
|
||||||
palo_phys = EFI_INVALID_TABLE_ADDR;
|
palo_phys = EFI_INVALID_TABLE_ADDR;
|
||||||
|
|
||||||
for (i = 0; i < (int) efi.systab->nr_tables; i++) {
|
if (efi_config_init(arch_tables) != 0)
|
||||||
if (efi_guidcmp(config_tables[i].guid, MPS_TABLE_GUID) == 0) {
|
return;
|
||||||
efi.mps = config_tables[i].table;
|
|
||||||
printk(" MPS=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid, ACPI_20_TABLE_GUID) == 0) {
|
|
||||||
efi.acpi20 = config_tables[i].table;
|
|
||||||
printk(" ACPI 2.0=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid, ACPI_TABLE_GUID) == 0) {
|
|
||||||
efi.acpi = config_tables[i].table;
|
|
||||||
printk(" ACPI=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid, SMBIOS_TABLE_GUID) == 0) {
|
|
||||||
efi.smbios = config_tables[i].table;
|
|
||||||
printk(" SMBIOS=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID) == 0) {
|
|
||||||
efi.sal_systab = config_tables[i].table;
|
|
||||||
printk(" SALsystab=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID) == 0) {
|
|
||||||
efi.hcdp = config_tables[i].table;
|
|
||||||
printk(" HCDP=0x%lx", config_tables[i].table);
|
|
||||||
} else if (efi_guidcmp(config_tables[i].guid,
|
|
||||||
PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID) == 0) {
|
|
||||||
palo_phys = config_tables[i].table;
|
|
||||||
printk(" PALO=0x%lx", config_tables[i].table);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
printk("\n");
|
|
||||||
|
|
||||||
if (palo_phys != EFI_INVALID_TABLE_ADDR)
|
if (palo_phys != EFI_INVALID_TABLE_ADDR)
|
||||||
handle_palo(palo_phys);
|
handle_palo(palo_phys);
|
||||||
|
|
|
@ -60,19 +60,6 @@
|
||||||
|
|
||||||
static efi_char16_t efi_dummy_name[6] = { 'D', 'U', 'M', 'M', 'Y', 0 };
|
static efi_char16_t efi_dummy_name[6] = { 'D', 'U', 'M', 'M', 'Y', 0 };
|
||||||
|
|
||||||
struct efi __read_mostly efi = {
|
|
||||||
.mps = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.acpi = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.acpi20 = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.smbios = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.sal_systab = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.boot_info = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.hcdp = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.uga = EFI_INVALID_TABLE_ADDR,
|
|
||||||
.uv_systab = EFI_INVALID_TABLE_ADDR,
|
|
||||||
};
|
|
||||||
EXPORT_SYMBOL(efi);
|
|
||||||
|
|
||||||
struct efi_memory_map memmap;
|
struct efi_memory_map memmap;
|
||||||
|
|
||||||
static struct efi efi_phys __initdata;
|
static struct efi efi_phys __initdata;
|
||||||
|
@ -80,6 +67,13 @@ static efi_system_table_t efi_systab __initdata;
|
||||||
|
|
||||||
unsigned long x86_efi_facility;
|
unsigned long x86_efi_facility;
|
||||||
|
|
||||||
|
static __initdata efi_config_table_type_t arch_tables[] = {
|
||||||
|
#ifdef CONFIG_X86_UV
|
||||||
|
{UV_SYSTEM_TABLE_GUID, "UVsystab", &efi.uv_systab},
|
||||||
|
#endif
|
||||||
|
{NULL_GUID, NULL, 0},
|
||||||
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Returns 1 if 'facility' is enabled, 0 otherwise.
|
* Returns 1 if 'facility' is enabled, 0 otherwise.
|
||||||
*/
|
*/
|
||||||
|
@ -399,6 +393,8 @@ int __init efi_memblock_x86_reserve_range(void)
|
||||||
|
|
||||||
memblock_reserve(pmap, memmap.nr_map * memmap.desc_size);
|
memblock_reserve(pmap, memmap.nr_map * memmap.desc_size);
|
||||||
|
|
||||||
|
efi.memmap = &memmap;
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -578,80 +574,6 @@ static int __init efi_systab_init(void *phys)
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int __init efi_config_init(u64 tables, int nr_tables)
|
|
||||||
{
|
|
||||||
void *config_tables, *tablep;
|
|
||||||
int i, sz;
|
|
||||||
|
|
||||||
if (efi_enabled(EFI_64BIT))
|
|
||||||
sz = sizeof(efi_config_table_64_t);
|
|
||||||
else
|
|
||||||
sz = sizeof(efi_config_table_32_t);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Let's see what config tables the firmware passed to us.
|
|
||||||
*/
|
|
||||||
config_tables = early_ioremap(tables, nr_tables * sz);
|
|
||||||
if (config_tables == NULL) {
|
|
||||||
pr_err("Could not map Configuration table!\n");
|
|
||||||
return -ENOMEM;
|
|
||||||
}
|
|
||||||
|
|
||||||
tablep = config_tables;
|
|
||||||
pr_info("");
|
|
||||||
for (i = 0; i < efi.systab->nr_tables; i++) {
|
|
||||||
efi_guid_t guid;
|
|
||||||
unsigned long table;
|
|
||||||
|
|
||||||
if (efi_enabled(EFI_64BIT)) {
|
|
||||||
u64 table64;
|
|
||||||
guid = ((efi_config_table_64_t *)tablep)->guid;
|
|
||||||
table64 = ((efi_config_table_64_t *)tablep)->table;
|
|
||||||
table = table64;
|
|
||||||
#ifdef CONFIG_X86_32
|
|
||||||
if (table64 >> 32) {
|
|
||||||
pr_cont("\n");
|
|
||||||
pr_err("Table located above 4GB, disabling EFI.\n");
|
|
||||||
early_iounmap(config_tables,
|
|
||||||
efi.systab->nr_tables * sz);
|
|
||||||
return -EINVAL;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
} else {
|
|
||||||
guid = ((efi_config_table_32_t *)tablep)->guid;
|
|
||||||
table = ((efi_config_table_32_t *)tablep)->table;
|
|
||||||
}
|
|
||||||
if (!efi_guidcmp(guid, MPS_TABLE_GUID)) {
|
|
||||||
efi.mps = table;
|
|
||||||
pr_cont(" MPS=0x%lx ", table);
|
|
||||||
} else if (!efi_guidcmp(guid, ACPI_20_TABLE_GUID)) {
|
|
||||||
efi.acpi20 = table;
|
|
||||||
pr_cont(" ACPI 2.0=0x%lx ", table);
|
|
||||||
} else if (!efi_guidcmp(guid, ACPI_TABLE_GUID)) {
|
|
||||||
efi.acpi = table;
|
|
||||||
pr_cont(" ACPI=0x%lx ", table);
|
|
||||||
} else if (!efi_guidcmp(guid, SMBIOS_TABLE_GUID)) {
|
|
||||||
efi.smbios = table;
|
|
||||||
pr_cont(" SMBIOS=0x%lx ", table);
|
|
||||||
#ifdef CONFIG_X86_UV
|
|
||||||
} else if (!efi_guidcmp(guid, UV_SYSTEM_TABLE_GUID)) {
|
|
||||||
efi.uv_systab = table;
|
|
||||||
pr_cont(" UVsystab=0x%lx ", table);
|
|
||||||
#endif
|
|
||||||
} else if (!efi_guidcmp(guid, HCDP_TABLE_GUID)) {
|
|
||||||
efi.hcdp = table;
|
|
||||||
pr_cont(" HCDP=0x%lx ", table);
|
|
||||||
} else if (!efi_guidcmp(guid, UGA_IO_PROTOCOL_GUID)) {
|
|
||||||
efi.uga = table;
|
|
||||||
pr_cont(" UGA=0x%lx ", table);
|
|
||||||
}
|
|
||||||
tablep += sz;
|
|
||||||
}
|
|
||||||
pr_cont("\n");
|
|
||||||
early_iounmap(config_tables, efi.systab->nr_tables * sz);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int __init efi_runtime_init(void)
|
static int __init efi_runtime_init(void)
|
||||||
{
|
{
|
||||||
efi_runtime_services_t *runtime;
|
efi_runtime_services_t *runtime;
|
||||||
|
@ -745,7 +667,7 @@ void __init efi_init(void)
|
||||||
efi.systab->hdr.revision >> 16,
|
efi.systab->hdr.revision >> 16,
|
||||||
efi.systab->hdr.revision & 0xffff, vendor);
|
efi.systab->hdr.revision & 0xffff, vendor);
|
||||||
|
|
||||||
if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
|
if (efi_config_init(arch_tables))
|
||||||
return;
|
return;
|
||||||
|
|
||||||
set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
|
set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
|
||||||
|
@ -816,34 +738,6 @@ static void __init runtime_code_page_mkexec(void)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* We can't ioremap data in EFI boot services RAM, because we've already mapped
|
|
||||||
* it as RAM. So, look it up in the existing EFI memory map instead. Only
|
|
||||||
* callable after efi_enter_virtual_mode and before efi_free_boot_services.
|
|
||||||
*/
|
|
||||||
void __iomem *efi_lookup_mapped_addr(u64 phys_addr)
|
|
||||||
{
|
|
||||||
void *p;
|
|
||||||
if (WARN_ON(!memmap.map))
|
|
||||||
return NULL;
|
|
||||||
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
|
|
||||||
efi_memory_desc_t *md = p;
|
|
||||||
u64 size = md->num_pages << EFI_PAGE_SHIFT;
|
|
||||||
u64 end = md->phys_addr + size;
|
|
||||||
if (!(md->attribute & EFI_MEMORY_RUNTIME) &&
|
|
||||||
md->type != EFI_BOOT_SERVICES_CODE &&
|
|
||||||
md->type != EFI_BOOT_SERVICES_DATA)
|
|
||||||
continue;
|
|
||||||
if (!md->virt_addr)
|
|
||||||
continue;
|
|
||||||
if (phys_addr >= md->phys_addr && phys_addr < end) {
|
|
||||||
phys_addr += md->virt_addr - md->phys_addr;
|
|
||||||
return (__force void __iomem *)(unsigned long)phys_addr;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
void efi_memory_uc(u64 addr, unsigned long size)
|
void efi_memory_uc(u64 addr, unsigned long size)
|
||||||
{
|
{
|
||||||
unsigned long page_shift = 1UL << EFI_PAGE_SHIFT;
|
unsigned long page_shift = 1UL << EFI_PAGE_SHIFT;
|
||||||
|
|
|
@ -13,11 +13,27 @@
|
||||||
* This file is released under the GPLv2.
|
* This file is released under the GPLv2.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||||||
|
|
||||||
#include <linux/kobject.h>
|
#include <linux/kobject.h>
|
||||||
#include <linux/module.h>
|
#include <linux/module.h>
|
||||||
#include <linux/init.h>
|
#include <linux/init.h>
|
||||||
#include <linux/device.h>
|
#include <linux/device.h>
|
||||||
#include <linux/efi.h>
|
#include <linux/efi.h>
|
||||||
|
#include <linux/io.h>
|
||||||
|
|
||||||
|
struct efi __read_mostly efi = {
|
||||||
|
.mps = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.acpi = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.acpi20 = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.smbios = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.sal_systab = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.boot_info = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.hcdp = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.uga = EFI_INVALID_TABLE_ADDR,
|
||||||
|
.uv_systab = EFI_INVALID_TABLE_ADDR,
|
||||||
|
};
|
||||||
|
EXPORT_SYMBOL(efi);
|
||||||
|
|
||||||
static struct kobject *efi_kobj;
|
static struct kobject *efi_kobj;
|
||||||
static struct kobject *efivars_kobj;
|
static struct kobject *efivars_kobj;
|
||||||
|
@ -132,3 +148,127 @@ static int __init efisubsys_init(void)
|
||||||
}
|
}
|
||||||
|
|
||||||
subsys_initcall(efisubsys_init);
|
subsys_initcall(efisubsys_init);
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* We can't ioremap data in EFI boot services RAM, because we've already mapped
|
||||||
|
* it as RAM. So, look it up in the existing EFI memory map instead. Only
|
||||||
|
* callable after efi_enter_virtual_mode and before efi_free_boot_services.
|
||||||
|
*/
|
||||||
|
void __iomem *efi_lookup_mapped_addr(u64 phys_addr)
|
||||||
|
{
|
||||||
|
struct efi_memory_map *map;
|
||||||
|
void *p;
|
||||||
|
map = efi.memmap;
|
||||||
|
if (!map)
|
||||||
|
return NULL;
|
||||||
|
if (WARN_ON(!map->map))
|
||||||
|
return NULL;
|
||||||
|
for (p = map->map; p < map->map_end; p += map->desc_size) {
|
||||||
|
efi_memory_desc_t *md = p;
|
||||||
|
u64 size = md->num_pages << EFI_PAGE_SHIFT;
|
||||||
|
u64 end = md->phys_addr + size;
|
||||||
|
if (!(md->attribute & EFI_MEMORY_RUNTIME) &&
|
||||||
|
md->type != EFI_BOOT_SERVICES_CODE &&
|
||||||
|
md->type != EFI_BOOT_SERVICES_DATA)
|
||||||
|
continue;
|
||||||
|
if (!md->virt_addr)
|
||||||
|
continue;
|
||||||
|
if (phys_addr >= md->phys_addr && phys_addr < end) {
|
||||||
|
phys_addr += md->virt_addr - md->phys_addr;
|
||||||
|
return (__force void __iomem *)(unsigned long)phys_addr;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static __initdata efi_config_table_type_t common_tables[] = {
|
||||||
|
{ACPI_20_TABLE_GUID, "ACPI 2.0", &efi.acpi20},
|
||||||
|
{ACPI_TABLE_GUID, "ACPI", &efi.acpi},
|
||||||
|
{HCDP_TABLE_GUID, "HCDP", &efi.hcdp},
|
||||||
|
{MPS_TABLE_GUID, "MPS", &efi.mps},
|
||||||
|
{SAL_SYSTEM_TABLE_GUID, "SALsystab", &efi.sal_systab},
|
||||||
|
{SMBIOS_TABLE_GUID, "SMBIOS", &efi.smbios},
|
||||||
|
{UGA_IO_PROTOCOL_GUID, "UGA", &efi.uga},
|
||||||
|
{NULL_GUID, NULL, 0},
|
||||||
|
};
|
||||||
|
|
||||||
|
static __init int match_config_table(efi_guid_t *guid,
|
||||||
|
unsigned long table,
|
||||||
|
efi_config_table_type_t *table_types)
|
||||||
|
{
|
||||||
|
u8 str[EFI_VARIABLE_GUID_LEN + 1];
|
||||||
|
int i;
|
||||||
|
|
||||||
|
if (table_types) {
|
||||||
|
efi_guid_unparse(guid, str);
|
||||||
|
|
||||||
|
for (i = 0; efi_guidcmp(table_types[i].guid, NULL_GUID); i++) {
|
||||||
|
efi_guid_unparse(&table_types[i].guid, str);
|
||||||
|
|
||||||
|
if (!efi_guidcmp(*guid, table_types[i].guid)) {
|
||||||
|
*(table_types[i].ptr) = table;
|
||||||
|
pr_cont(" %s=0x%lx ",
|
||||||
|
table_types[i].name, table);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int __init efi_config_init(efi_config_table_type_t *arch_tables)
|
||||||
|
{
|
||||||
|
void *config_tables, *tablep;
|
||||||
|
int i, sz;
|
||||||
|
|
||||||
|
if (efi_enabled(EFI_64BIT))
|
||||||
|
sz = sizeof(efi_config_table_64_t);
|
||||||
|
else
|
||||||
|
sz = sizeof(efi_config_table_32_t);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Let's see what config tables the firmware passed to us.
|
||||||
|
*/
|
||||||
|
config_tables = early_memremap(efi.systab->tables,
|
||||||
|
efi.systab->nr_tables * sz);
|
||||||
|
if (config_tables == NULL) {
|
||||||
|
pr_err("Could not map Configuration table!\n");
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
tablep = config_tables;
|
||||||
|
pr_info("");
|
||||||
|
for (i = 0; i < efi.systab->nr_tables; i++) {
|
||||||
|
efi_guid_t guid;
|
||||||
|
unsigned long table;
|
||||||
|
|
||||||
|
if (efi_enabled(EFI_64BIT)) {
|
||||||
|
u64 table64;
|
||||||
|
guid = ((efi_config_table_64_t *)tablep)->guid;
|
||||||
|
table64 = ((efi_config_table_64_t *)tablep)->table;
|
||||||
|
table = table64;
|
||||||
|
#ifndef CONFIG_64BIT
|
||||||
|
if (table64 >> 32) {
|
||||||
|
pr_cont("\n");
|
||||||
|
pr_err("Table located above 4GB, disabling EFI.\n");
|
||||||
|
early_iounmap(config_tables,
|
||||||
|
efi.systab->nr_tables * sz);
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
} else {
|
||||||
|
guid = ((efi_config_table_32_t *)tablep)->guid;
|
||||||
|
table = ((efi_config_table_32_t *)tablep)->table;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!match_config_table(&guid, table, common_tables))
|
||||||
|
match_config_table(&guid, table, arch_tables);
|
||||||
|
|
||||||
|
tablep += sz;
|
||||||
|
}
|
||||||
|
pr_cont("\n");
|
||||||
|
early_iounmap(config_tables, efi.systab->nr_tables * sz);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
|
@ -404,6 +404,12 @@ typedef struct {
|
||||||
unsigned long table;
|
unsigned long table;
|
||||||
} efi_config_table_t;
|
} efi_config_table_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
efi_guid_t guid;
|
||||||
|
const char *name;
|
||||||
|
unsigned long *ptr;
|
||||||
|
} efi_config_table_type_t;
|
||||||
|
|
||||||
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
|
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
|
||||||
|
|
||||||
#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))
|
#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))
|
||||||
|
@ -552,6 +558,7 @@ extern struct efi {
|
||||||
efi_get_next_high_mono_count_t *get_next_high_mono_count;
|
efi_get_next_high_mono_count_t *get_next_high_mono_count;
|
||||||
efi_reset_system_t *reset_system;
|
efi_reset_system_t *reset_system;
|
||||||
efi_set_virtual_address_map_t *set_virtual_address_map;
|
efi_set_virtual_address_map_t *set_virtual_address_map;
|
||||||
|
struct efi_memory_map *memmap;
|
||||||
} efi;
|
} efi;
|
||||||
|
|
||||||
static inline int
|
static inline int
|
||||||
|
@ -587,6 +594,7 @@ static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned lon
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr);
|
extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr);
|
||||||
|
extern int efi_config_init(efi_config_table_type_t *arch_tables);
|
||||||
extern u64 efi_get_iobase (void);
|
extern u64 efi_get_iobase (void);
|
||||||
extern u32 efi_mem_type (unsigned long phys_addr);
|
extern u32 efi_mem_type (unsigned long phys_addr);
|
||||||
extern u64 efi_mem_attributes (unsigned long phys_addr);
|
extern u64 efi_mem_attributes (unsigned long phys_addr);
|
||||||
|
|
Loading…
Reference in a new issue