| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | /* |
| 3 | * kexec_handover_debug.c - kexec handover optional debug functionality |
| 4 | * Copyright (C) 2025 Google LLC, Pasha Tatashin <pasha.tatashin@soleen.com> |
| 5 | */ |
| 6 | |
| 7 | #define pr_fmt(fmt) "KHO: " fmt |
| 8 | |
| 9 | #include "kexec_handover_internal.h" |
| 10 | |
| 11 | bool kho_scratch_overlap(phys_addr_t phys, size_t size) |
| 12 | { |
| 13 | phys_addr_t scratch_start, scratch_end; |
| 14 | unsigned int i; |
| 15 | |
| 16 | for (i = 0; i < kho_scratch_cnt; i++) { |
| 17 | scratch_start = kho_scratch[i].addr; |
| 18 | scratch_end = kho_scratch[i].addr + kho_scratch[i].size; |
| 19 | |
| 20 | if (phys < scratch_end && (phys + size) > scratch_start) |
| 21 | return true; |
| 22 | } |
| 23 | |
| 24 | return false; |
| 25 | } |
| 26 |