| /* Copyright 2023 The Fuchsia Authors |
| * |
| * Use of this source code is governed by a MIT-style |
| * license that can be found in the LICENSE file or at |
| * https://opensource.org/licenses/MIT |
| */ |
| |
| /* |
| * This file is included as an input linker script to support the assembly code |
| * in linuxboot-header.S when used in a phys_executable() target. It defines |
| * the link-time base address needed by phys.ld and also defines values for |
| * linuxboot-header.S to use that cannot be represented directly there. |
| * |
| * Multiple machines use a similar arrangement for position-independent loading |
| * so this can be reused across machines. |
| */ |
| |
| /* |
| * The link-time address is always 0 but the image can be loaded anywhere in |
| * memory. The Linux protocol provides different alignment guarantees on |
| * different machines, but our phys executables always assume less than that. |
| */ |
| HIDDEN(PHYS_LOAD_ADDRESS = 0); |
| |
| /* |
| * Size of the kernel in memory, including the bss after the image so that the |
| * boot loader is sure to place the kernel where it has enough headroom after |
| * the storage image is loaded. This symbol is used by the linuxboot-header.S |
| * assembly code to embed this value, which cannot be calculated directly by a |
| * single relocation record without triggering non-pure-PIC bug checks. |
| */ |
| HIDDEN(LINUXBOOT_SIZE = _end - PHYS_LOAD_ADDRESS); |
