Philippe Mathieu-Daudé | 75bbe6a | 2023-12-07 10:41:27 +0100 | [diff] [blame] | 1 | /* |
| 2 | * QEMU page values getters (target independent) |
| 3 | * |
| 4 | * Copyright (c) 2003 Fabrice Bellard |
| 5 | * |
| 6 | * SPDX-License-Identifier: LGPL-2.1-or-later |
| 7 | */ |
| 8 | |
| 9 | #include "qemu/osdep.h" |
| 10 | #include "exec/target_page.h" |
| 11 | #include "exec/cpu-defs.h" |
| 12 | #include "cpu.h" |
| 13 | #include "exec/cpu-all.h" |
| 14 | |
| 15 | size_t qemu_target_page_size(void) |
| 16 | { |
| 17 | return TARGET_PAGE_SIZE; |
| 18 | } |
| 19 | |
| 20 | int qemu_target_page_mask(void) |
| 21 | { |
| 22 | return TARGET_PAGE_MASK; |
| 23 | } |
| 24 | |
| 25 | int qemu_target_page_bits(void) |
| 26 | { |
| 27 | return TARGET_PAGE_BITS; |
| 28 | } |
| 29 | |
| 30 | int qemu_target_page_bits_min(void) |
| 31 | { |
| 32 | return TARGET_PAGE_BITS_MIN; |
| 33 | } |
| 34 | |
| 35 | /* Convert target pages to MiB (2**20). */ |
| 36 | size_t qemu_target_pages_to_MiB(size_t pages) |
| 37 | { |
| 38 | int page_bits = TARGET_PAGE_BITS; |
| 39 | |
| 40 | /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */ |
| 41 | g_assert(page_bits < 20); |
| 42 | |
| 43 | return pages >> (20 - page_bits); |
| 44 | } |