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| author | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
|---|---|---|
| committer | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
| commit | 755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch) | |
| tree | 3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/i386/e820_memory_layout.h | |
| parent | Initial commit. (diff) | |
| download | qemu-upstream.tar.xz qemu-upstream.zip | |
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/i386/e820_memory_layout.h')
| -rw-r--r-- | hw/i386/e820_memory_layout.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/hw/i386/e820_memory_layout.h b/hw/i386/e820_memory_layout.h new file mode 100644 index 00000000..7c239aa0 --- /dev/null +++ b/hw/i386/e820_memory_layout.h @@ -0,0 +1,34 @@ +/* + * QEMU BIOS e820 routines + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * SPDX-License-Identifier: MIT + */ + +#ifndef HW_I386_E820_MEMORY_LAYOUT_H +#define HW_I386_E820_MEMORY_LAYOUT_H + +/* e820 types */ +#define E820_RAM 1 +#define E820_RESERVED 2 +#define E820_ACPI 3 +#define E820_NVS 4 +#define E820_UNUSABLE 5 + +struct e820_entry { + uint64_t address; + uint64_t length; + uint32_t type; +} QEMU_PACKED __attribute((__aligned__(4))); + +extern struct e820_entry *e820_table; + +int e820_add_entry(uint64_t address, uint64_t length, uint32_t type); +int e820_get_num_entries(void); +bool e820_get_entry(int index, uint32_t type, + uint64_t *address, uint64_t *length); + + + +#endif |