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diff --git a/stand/efi/loader/arch/arm64/ldscript.arm64 b/stand/efi/loader/arch/arm64/ldscript.arm64
--- a/stand/efi/loader/arch/arm64/ldscript.arm64
+++ b/stand/efi/loader/arch/arm64/ldscript.arm64
@@ -16,7 +16,9 @@
*(.gnu.warning)
*(.plt)
} =0xD4200000
- . = ALIGN(16);
+ . = ALIGN(4096);
+ _etext = .;
+ __data_start = .;
.data : {
*(.rodata .rodata.* .gnu.linkonce.r.*)
*(.rodata1)
@@ -78,6 +80,7 @@
. = ALIGN(16);
.dynsym : { *(.dynsym) }
_edata = .;
+ __data_size = . - __data_start;
/* Unused sections */
.interp : { *(.interp) }
diff --git a/stand/efi/loader/arch/arm64/start.S b/stand/efi/loader/arch/arm64/start.S
--- a/stand/efi/loader/arch/arm64/start.S
+++ b/stand/efi/loader/arch/arm64/start.S
@@ -34,11 +34,14 @@
#define IMAGE_FILE_MACHINE_ARM64 0xaa64
+#define IMAGE_FILE_EXECUTABLE 0x0002
+
#define IMAGE_SCN_CNT_CODE 0x00000020
#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040
#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
#define IMAGE_SCN_MEM_EXECUTE 0x20000000
#define IMAGE_SCN_MEM_READ 0x40000000
+#define IMAGE_SCN_MEM_WRITE 0x80000000
.section .peheader,"a"
efi_start:
@@ -60,22 +63,22 @@
.long 0 /* No symbol table */
.long 0 /* No symbols */
.short section_table - optional_header /* Optional header size */
- .short 0 /* Characteristics TODO: Fill in */
+ .short IMAGE_FILE_EXECUTABLE /* Characteristics */
optional_header:
.short 0x020b /* PE32+ (64-bit addressing) */
.byte 0 /* Major linker version */
.byte 0 /* Minor linker version */
- .long _edata - _end_header /* Code size */
- .long 0 /* No initialized data */
+ .long _etext - _end_header /* Code size */
+ .long __data_size /* Initialized data size */
.long 0 /* No uninitialized data */
.long _start - efi_start /* Entry point */
.long _end_header - efi_start /* Start of code */
optional_windows_header:
.quad 0 /* Image base */
- .long 32 /* Section Alignment */
- .long 8 /* File alignment */
+ .long 4096 /* Section Alignment */
+ .long 512 /* File alignment */
.short 0 /* Major OS version */
.short 0 /* Minor OS version */
.short 0 /* Major image version */
@@ -104,36 +107,37 @@
.quad 0
section_table:
- /* We need a .reloc section for EFI */
- .ascii ".reloc"
+ .ascii ".text"
+ .byte 0
.byte 0
.byte 0 /* Pad to 8 bytes */
- .long 0 /* Virtual size */
- .long 0 /* Virtual address */
- .long 0 /* Size of raw data */
- .long 0 /* Pointer to raw data */
+ .long _etext - _end_header /* Virtual size */
+ .long _end_header - efi_start /* Virtual address */
+ .long _etext - _end_header /* Size of raw data */
+ .long _end_header - efi_start /* Pointer to raw data */
.long 0 /* Pointer to relocations */
.long 0 /* Pointer to line numbers */
.short 0 /* Number of relocations */
.short 0 /* Number of line numbers */
- .long (IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | \
- IMAGE_SCN_MEM_DISCARDABLE) /* Characteristics */
+ .long (IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | \
+ IMAGE_SCN_MEM_READ) /* Characteristics */
- /* The contents of the loader */
- .ascii ".text"
+ .ascii ".data"
.byte 0
.byte 0
.byte 0 /* Pad to 8 bytes */
- .long _edata - _end_header /* Virtual size */
- .long _end_header - efi_start /* Virtual address */
- .long _edata - _end_header /* Size of raw data */
- .long _end_header - efi_start /* Pointer to raw data */
+ .long __data_size /* Virtual size */
+ .long __data_start - efi_start /* Virtual address */
+ .long __data_size /* Size of raw data */
+ .long __data_start - efi_start /* Pointer to raw data */
.long 0 /* Pointer to relocations */
.long 0 /* Pointer to line numbers */
.short 0 /* Number of relocations */
.short 0 /* Number of line numbers */
- .long (IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | \
- IMAGE_SCN_MEM_READ) /* Characteristics */
+ .long (IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | \
+ IMAGE_SCN_MEM_WRITE) /* Characteristics */
+
+ .align 12
_end_header:
.text

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