memset(boot_params, 0x0, 0x4000);
- /* Copy first two sectors to boot_params */
- memcpy(boot_params, image->image_base, 1024);
-
hdr = &boot_params->hdr;
+ /* Copy the second sector to boot_params */
+ memcpy(&hdr->jump, image->image_base + 512, 512);
+
+ /*
+ * Fill out some of the header fields ourselves because the
+ * EFI firmware loader doesn't load the first sector.
+ */
+ hdr->root_flags = 1;
+ hdr->vid_mode = 0xffff;
+ hdr->boot_flag = 0xAA55;
+
/*
* The EFI firmware loader could have placed the kernel image
* anywhere in memory, but the kernel has various restrictions
# Filled in by build.c
.long 0x0000 # AddressOfEntryPoint
- .long 0x0000 # BaseOfCode
+ .long 0x0200 # BaseOfCode
#ifdef CONFIG_X86_32
.long 0 # data
#endif
.quad 0 # SizeOfHeapCommit
#endif
.long 0 # LoaderFlags
- .long 0x1 # NumberOfRvaAndSizes
+ .long 0x6 # NumberOfRvaAndSizes
.quad 0 # ExportTable
.quad 0 # ImportTable
#
# The EFI application loader requires a relocation section
- # because EFI applications are relocatable and not having
- # this section seems to confuse it. But since we don't need
- # the loader to fixup any relocs for us just fill it with a
- # single dummy reloc.
+ # because EFI applications must be relocatable. But since
+ # we don't need the loader to fixup any relocs for us, we
+ # just create an empty (zero-length) .reloc section header.
#
.ascii ".reloc"
.byte 0
.byte 0
- .long reloc_end - reloc_start
- .long reloc_start
- .long reloc_end - reloc_start # SizeOfRawData
- .long reloc_start # PointerToRawData
+ .long 0
+ .long 0
+ .long 0 # SizeOfRawData
+ .long 0 # PointerToRawData
.long 0 # PointerToRelocations
.long 0 # PointerToLineNumbers
.word 0 # NumberOfRelocations
.data
dummy: .long 0
-
- .section .reloc
-reloc_start:
- .long dummy - reloc_start
- .long 10
- .word 0
-reloc_end:
pe_header = get_unaligned_le32(&buf[0x3c]);
- /* Size of code */
- put_unaligned_le32(file_sz, &buf[pe_header + 0x1c]);
-
/* Size of image */
put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
+ /*
+ * Subtract the size of the first section (512 bytes) which
+ * includes the header and .reloc section. The remaining size
+ * is that of the .text section.
+ */
+ file_sz -= 512;
+
+ /* Size of code */
+ put_unaligned_le32(file_sz, &buf[pe_header + 0x1c]);
+
#ifdef CONFIG_X86_32
/*
* Address of entry point.
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]);
+ /* .text vma */
+ put_unaligned_le32(0x200, &buf[pe_header + 0xb4]);
+
/* .text size of initialised data */
put_unaligned_le32(file_sz, &buf[pe_header + 0xb8]);
+
+ /* .text file offset */
+ put_unaligned_le32(0x200, &buf[pe_header + 0xbc]);
#else
/*
* Address of entry point. startup_32 is at the beginning and
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]);
+ /* .text vma */
+ put_unaligned_le32(0x200, &buf[pe_header + 0xc4]);
+
/* .text size of initialised data */
put_unaligned_le32(file_sz, &buf[pe_header + 0xc8]);
+ /* .text file offset */
+ put_unaligned_le32(0x200, &buf[pe_header + 0xcc]);
#endif /* CONFIG_X86_32 */
#endif /* CONFIG_EFI_STUB */