diff options
Diffstat (limited to 'asm/start.h')
| -rw-r--r-- | asm/start.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/asm/start.h b/asm/start.h new file mode 100644 index 0000000..ff30326 --- /dev/null +++ b/asm/start.h @@ -0,0 +1,21 @@ +/** + * @file + * Defines the following sections/functions, some are linked at + * specific addresses in the final ELF kernel binary. + * This is specified in the _linker.ld_ file. + * + * * 0x007000 .smp - entry point for application processors (16bit code) + * * 0x100000 .multiboot - the multiboot header + * + * * .text + * * .bootstrap_stack + * * _start() - main entry point for booting cpu, calls kernel_main(). + * + * The addresses for .smp and .multiboot are based on the assumption: + * * 0x00000500 - 0x00007BFF : guaranteed free to use + * * 0x00100000 - 0x00EFFFFF : free for use (if it exists) + */ + +/** This will be called by a multiboot compilant boot-loader (i.e. grub2) */ +void _start(); + |