61 строка
1.6 KiB
C
61 строка
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* 1. load vmlinuz
|
|
*
|
|
* CONFIG_MEMORY_START +-----------------------+
|
|
* | vmlinuz |
|
|
* +-----------------------+
|
|
* 2. decompressed
|
|
*
|
|
* CONFIG_MEMORY_START +-----------------------+
|
|
* | vmlinuz |
|
|
* +-----------------------+
|
|
* | |
|
|
* BOOT_RELOC_ADDR +-----------------------+
|
|
* | |
|
|
* KERNEL_DECOMPRESS_ADDR +-----------------------+
|
|
* | vmlinux |
|
|
* +-----------------------+
|
|
*
|
|
* 3. relocate copy & jump code
|
|
*
|
|
* CONFIG_MEMORY_START +-----------------------+
|
|
* | vmlinuz |
|
|
* +-----------------------+
|
|
* | |
|
|
* BOOT_RELOC_ADDR +-----------------------+
|
|
* | boot(copy&jump) |
|
|
* KERNEL_DECOMPRESS_ADDR +-----------------------+
|
|
* | vmlinux |
|
|
* +-----------------------+
|
|
*
|
|
* 4. relocate decompressed kernel
|
|
*
|
|
* CONFIG_MEMORY_START +-----------------------+
|
|
* | vmlinux |
|
|
* +-----------------------+
|
|
* | |
|
|
* BOOT_RELOC_ADDR +-----------------------+
|
|
* | boot(copy&jump) |
|
|
* KERNEL_DECOMPRESS_ADDR +-----------------------+
|
|
* | |
|
|
* +-----------------------+
|
|
*
|
|
*/
|
|
#ifdef __ASSEMBLY__
|
|
#define __val(x) x
|
|
#else
|
|
#define __val(x) (x)
|
|
#endif
|
|
|
|
#define DECOMPRESS_OFFSET_BASE __val(0x00900000)
|
|
#define BOOT_RELOC_SIZE __val(0x00001000)
|
|
|
|
#define KERNEL_EXEC_ADDR __val(CONFIG_MEMORY_START)
|
|
#define KERNEL_DECOMPRESS_ADDR __val(CONFIG_MEMORY_START + \
|
|
DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE)
|
|
#define KERNEL_ENTRY __val(CONFIG_MEMORY_START + 0x1000)
|
|
|
|
#define BOOT_EXEC_ADDR __val(CONFIG_MEMORY_START)
|
|
#define BOOT_RELOC_ADDR __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE)
|