diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/boot/multiboot/linker.ld | 51 | ||||
| -rw-r--r-- | arch/x86/boot/multiboot/multiboot.s (renamed from arch/x86/boot/multiboot.s) | 0 |
2 files changed, 51 insertions, 0 deletions
diff --git a/arch/x86/boot/multiboot/linker.ld b/arch/x86/boot/multiboot/linker.ld new file mode 100644 index 0000000..245f4a7 --- /dev/null +++ b/arch/x86/boot/multiboot/linker.ld @@ -0,0 +1,51 @@ +/* +The bootloader will look at this image and start execution at the +symbol designated as the entry point. +*/ +ENTRY(_start) + +/* Tell where the various sections of the object files will be put +in the final kernel image. */ +SECTIONS +{ + /* + Begin putting sections at 1 MiB, a conventional place for kernels to be + loaded at by the bootloader. + */ + . = 1M; + + /* + First put the multiboot header, as it is required to be put very early + in the image or the bootloader won't recognize the file format. + Next we'll put the .text section. + */ + .text BLOCK(4K) : ALIGN(4K) + { + *(.multiboot) + *(.text) + } + + /* Read-only data. */ + .rodata BLOCK(4K) : ALIGN(4K) + { + *(.rodata) + } + + /* Read-write data (initialized) */ + .data BLOCK(4K) : ALIGN(4K) + { + *(.data) + } + + /* Read-write data (uninitialized) and stack */ + .bss BLOCK(4K) : ALIGN(4K) + { + *(COMMON) + *(.bss) + } + + /* + The compiler may produce other sections, by default it will put them in + a segment with the same name. Simply add stuff here as needed. + */ +} diff --git a/arch/x86/boot/multiboot.s b/arch/x86/boot/multiboot/multiboot.s index 33e54f1..33e54f1 100644 --- a/arch/x86/boot/multiboot.s +++ b/arch/x86/boot/multiboot/multiboot.s |