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-rw-r--r--arch/arm/boot/compressed/efi-header.S2
-rw-r--r--arch/arm64/kernel/efi-entry.S2
-rw-r--r--arch/arm64/kernel/efi-header.S2
-rw-r--r--arch/x86/boot/compressed/efi_thunk_64.S19
-rw-r--r--arch/x86/include/asm/efi.h29
-rw-r--r--arch/x86/xen/efi.c2
6 files changed, 32 insertions, 24 deletions
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 62286da318e7..c0e7a745103e 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -60,7 +60,7 @@ optional_header:
.long __pecoff_code_size @ SizeOfCode
.long __pecoff_data_size @ SizeOfInitializedData
.long 0 @ SizeOfUninitializedData
- .long efi_entry - start @ AddressOfEntryPoint
+ .long efi_pe_entry - start @ AddressOfEntryPoint
.long start_offset @ BaseOfCode
.long __pecoff_data_start - start @ BaseOfData
diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S
index 1a03618df0df..5664af1e9260 100644
--- a/arch/arm64/kernel/efi-entry.S
+++ b/arch/arm64/kernel/efi-entry.S
@@ -14,7 +14,7 @@
SYM_CODE_START(efi_enter_kernel)
/*
- * efi_entry() will have copied the kernel image if necessary and we
+ * efi_pe_entry() will have copied the kernel image if necessary and we
* end up here with device tree address in x1 and the kernel entry
* point stored in x0. Save those values in registers which are
* callee preserved.
diff --git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 914999ccaf8a..f2457d4b76a4 100644
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -27,7 +27,7 @@ optional_header:
.long __initdata_begin - efi_header_end // SizeOfCode
.long __pecoff_data_size // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
- .long __efistub_efi_entry - _head // AddressOfEntryPoint
+ .long __efistub_efi_pe_entry - _head // AddressOfEntryPoint
.long efi_header_end - _head // BaseOfCode
extra_header_fields:
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S
index 2b2049259619..c4bb0f9363f5 100644
--- a/arch/x86/boot/compressed/efi_thunk_64.S
+++ b/arch/x86/boot/compressed/efi_thunk_64.S
@@ -28,8 +28,6 @@ SYM_FUNC_START(__efi64_thunk)
push %rbx
leaq 1f(%rip), %rbp
- leaq efi_gdt64(%rip), %rbx
- movl %ebx, 2(%rbx) /* Fixup the gdt base address */
movl %ds, %eax
push %rax
@@ -48,7 +46,8 @@ SYM_FUNC_START(__efi64_thunk)
movl %r8d, 0xc(%rsp)
movl %r9d, 0x10(%rsp)
- sgdt 0x14(%rsp)
+ leaq 0x14(%rsp), %rbx
+ sgdt (%rbx)
/*
* Switch to gdt with 32-bit segments. This is the firmware GDT
@@ -68,8 +67,7 @@ SYM_FUNC_START(__efi64_thunk)
pushq %rax
lretq
-1: lgdt 0x14(%rsp)
- addq $32, %rsp
+1: addq $32, %rsp
movq %rdi, %rax
pop %rbx
@@ -175,14 +173,3 @@ SYM_DATA_END(efi32_boot_cs)
SYM_DATA_START(efi32_boot_ds)
.word 0
SYM_DATA_END(efi32_boot_ds)
-
-SYM_DATA_START(efi_gdt64)
- .word efi_gdt64_end - efi_gdt64
- .long 0 /* Filled out by user */
- .word 0
- .quad 0x0000000000000000 /* NULL descriptor */
- .quad 0x00af9a000000ffff /* __KERNEL_CS */
- .quad 0x00cf92000000ffff /* __KERNEL_DS */
- .quad 0x0080890000000000 /* TS descriptor */
- .quad 0x0000000000000000 /* TS continued */
-SYM_DATA_END_LABEL(efi_gdt64, SYM_L_LOCAL, efi_gdt64_end)
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index cd0c3fbf6156..89dcc7aa7e2c 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -9,6 +9,7 @@
#include <asm/nospec-branch.h>
#include <asm/mmu_context.h>
#include <linux/build_bug.h>
+#include <linux/kernel.h>
extern unsigned long efi_fw_vendor, efi_config_table;
@@ -225,13 +226,15 @@ efi_status_t efi_set_virtual_address_map(unsigned long memory_map_size,
/* arch specific definitions used by the stub code */
-extern const bool efi_is64;
+#ifdef CONFIG_EFI_MIXED
+
+#define ARCH_HAS_EFISTUB_WRAPPERS
static inline bool efi_is_64bit(void)
{
- if (IS_ENABLED(CONFIG_EFI_MIXED))
- return efi_is64;
- return IS_ENABLED(CONFIG_X86_64);
+ extern const bool efi_is64;
+
+ return efi_is64;
}
static inline bool efi_is_native(void)
@@ -291,6 +294,15 @@ static inline u32 efi64_convert_status(efi_status_t status)
#define __efi64_argmap_allocate_pool(type, size, buffer) \
((type), (size), efi64_zero_upper(buffer))
+#define __efi64_argmap_create_event(type, tpl, f, c, event) \
+ ((type), (tpl), (f), (c), efi64_zero_upper(event))
+
+#define __efi64_argmap_set_timer(event, type, time) \
+ ((event), (type), lower_32_bits(time), upper_32_bits(time))
+
+#define __efi64_argmap_wait_for_event(num, event, index) \
+ ((num), (event), efi64_zero_upper(index))
+
#define __efi64_argmap_handle_protocol(handle, protocol, interface) \
((handle), (protocol), efi64_zero_upper(interface))
@@ -356,6 +368,15 @@ static inline u32 efi64_convert_status(efi_status_t status)
runtime), \
func, __VA_ARGS__))
+#else /* CONFIG_EFI_MIXED */
+
+static inline bool efi_is_64bit(void)
+{
+ return IS_ENABLED(CONFIG_X86_64);
+}
+
+#endif /* CONFIG_EFI_MIXED */
+
extern bool efi_reboot_required(void);
extern bool efi_is_table_address(unsigned long phys_addr);
diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c
index 1abe455d926a..205a9bc981b0 100644
--- a/arch/x86/xen/efi.c
+++ b/arch/x86/xen/efi.c
@@ -29,7 +29,7 @@ static efi_system_table_t efi_systab_xen __initdata = {
.fw_vendor = EFI_INVALID_TABLE_ADDR, /* Initialized later. */
.fw_revision = 0, /* Initialized later. */
.con_in_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
- .con_in = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
+ .con_in = NULL, /* Not used under Xen. */
.con_out_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
.con_out = NULL, /* Not used under Xen. */
.stderr_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */