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efi_loader: use predefined constants in crt0_*_efi.S

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We should use predefined constants instead of magic numbers.

Move some constant definitions from include/pe.h to
include/asm-generic/pe.h.

Use these constants in crt0_*_efi.S.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-07-11 06:39:32 +02:00
parent 38671d4f1c
commit a35c33c0dc
5 changed files with 29 additions and 31 deletions
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9
arch/arm/lib/crt0_aarch64_efi.S
View file

@ -17,14 +17,13 @@
*/
.globl ImageBase
ImageBase:
.ascii "MZ"
.short IMAGE_DOS_SIGNATURE /* 'MZ' */
.skip 58 /* 'MZ' + pad + offset == 64 */
.long pe_header - ImageBase /* Offset to the PE header */
pe_header:
.ascii "PE"
.short 0
.long IMAGE_NT_SIGNATURE /* 'PE' */
coff_header:
.short 0xaa64 /* AArch64 */
.short IMAGE_FILE_MACHINE_ARM64 /* AArch64 */
.short 2 /* nr_sections */
.long 0 /* TimeDateStamp */
.long 0 /* PointerToSymbolTable */
@ -36,7 +35,7 @@ coff_header:
IMAGE_FILE_LOCAL_SYMS_STRIPPED | \
IMAGE_FILE_DEBUG_STRIPPED)
optional_header:
.short 0x20b /* PE32+ format */
.short IMAGE_NT_OPTIONAL_HDR64_MAGIC /* PE32+ format */
.byte 0x02 /* MajorLinkerVersion */
.byte 0x14 /* MinorLinkerVersion */
.long _edata - _start /* SizeOfCode */

9
arch/arm/lib/crt0_arm_efi.S
View file

@ -16,14 +16,13 @@
*/
.globl image_base
image_base:
.ascii "MZ"
.short IMAGE_DOS_SIGNATURE /* 'MZ' */
.skip 58 /* 'MZ' + pad + offset == 64 */
.long pe_header - image_base /* Offset to the PE header */
pe_header:
.ascii "PE"
.short 0
.long IMAGE_NT_SIGNATURE /* 'PE' */
coff_header:
.short 0x1c2 /* Mixed ARM/Thumb */
.short IMAGE_FILE_MACHINE_THUMB /* Mixed ARM/Thumb */
.short 2 /* nr_sections */
.long 0 /* TimeDateStamp */
.long 0 /* PointerToSymbolTable */
@ -36,7 +35,7 @@ coff_header:
IMAGE_FILE_32BIT_MACHINE | \
IMAGE_FILE_DEBUG_STRIPPED)
optional_header:
.short 0x10b /* PE32 format */
.short IMAGE_NT_OPTIONAL_HDR32_MAGIC /* PE32 format */
.byte 0x02 /* MajorLinkerVersion */
.byte 0x14 /* MinorLinkerVersion */
.long _edata - _start /* SizeOfCode */

11
arch/riscv/lib/crt0_riscv_efi.S
View file

@ -14,12 +14,12 @@
#define SIZE_LONG 8
#define SAVE_LONG(reg, idx) sd reg, (idx*SIZE_LONG)(sp)
#define LOAD_LONG(reg, idx) ld reg, (idx*SIZE_LONG)(sp)
#define PE_MACHINE 0x5064
#define PE_MACHINE IMAGE_FILE_MACHINE_RISCV64
#else
#define SIZE_LONG 4
#define SAVE_LONG(reg, idx) sw reg, (idx*SIZE_LONG)(sp)
#define LOAD_LONG(reg, idx) lw reg, (idx*SIZE_LONG)(sp)
#define PE_MACHINE 0x5032
#define PE_MACHINE IMAGE_FILE_MACHINE_RISCV32
#endif
@ -30,12 +30,11 @@
*/
.globl ImageBase
ImageBase:
.ascii "MZ"
.short IMAGE_DOS_SIGNATURE /* 'MZ' */
.skip 58 /* 'MZ' + pad + offset == 64 */
.long pe_header - ImageBase /* Offset to the PE header */
pe_header:
.ascii "PE"
.short 0
.long IMAGE_NT_SIGNATURE /* 'PE' */
coff_header:
.short PE_MACHINE /* RISC-V 64/32-bit */
.short 2 /* nr_sections */
@ -49,7 +48,7 @@ coff_header:
IMAGE_FILE_LOCAL_SYMS_STRIPPED | \
IMAGE_FILE_DEBUG_STRIPPED)
optional_header:
.short 0x20b /* PE32+ format */
.short IMAGE_NT_OPTIONAL_HDR64_MAGIC /* PE32+ format */
.byte 0x02 /* MajorLinkerVersion */
.byte 0x14 /* MinorLinkerVersion */
.long _edata - _start /* SizeOfCode */

16
include/asm-generic/pe.h
View file

@ -29,6 +29,22 @@
#define IMAGE_FILE_UP_SYSTEM_ONLY 0x4000
#define IMAGE_FILE_BYTES_REVERSED_HI 0x8000
/* Machine types */
#define IMAGE_FILE_MACHINE_I386 0x014c
#define IMAGE_FILE_MACHINE_ARM 0x01c0
#define IMAGE_FILE_MACHINE_THUMB 0x01c2
#define IMAGE_FILE_MACHINE_ARMNT 0x01c4
#define IMAGE_FILE_MACHINE_AMD64 0x8664
#define IMAGE_FILE_MACHINE_ARM64 0xaa64
#define IMAGE_FILE_MACHINE_RISCV32 0x5032
#define IMAGE_FILE_MACHINE_RISCV64 0x5064
/* Header magic constants */
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x010b
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x020b
#define IMAGE_DOS_SIGNATURE 0x5a4d /* MZ */
#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */
/* Subsystem type */
#define IMAGE_SUBSYSTEM_EFI_APPLICATION 10
#define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11

15
include/pe.h
View file

@ -34,21 +34,6 @@ typedef struct _IMAGE_DOS_HEADER {
uint32_t e_lfanew; /* 3c: Offset to extended header */
} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
#define IMAGE_DOS_SIGNATURE 0x5A4D /* MZ */
#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */
#define IMAGE_FILE_MACHINE_I386 0x014c
#define IMAGE_FILE_MACHINE_ARM 0x01c0
#define IMAGE_FILE_MACHINE_THUMB 0x01c2
#define IMAGE_FILE_MACHINE_ARMNT 0x01c4
#define IMAGE_FILE_MACHINE_AMD64 0x8664
#define IMAGE_FILE_MACHINE_ARM64 0xaa64
#define IMAGE_FILE_MACHINE_RISCV32 0x5032
#define IMAGE_FILE_MACHINE_RISCV64 0x5064
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
typedef struct _IMAGE_FILE_HEADER {
uint16_t Machine;
uint16_t NumberOfSections;