diff options
Diffstat (limited to 'kexec/arch/arm64/kexec-arm64.h')
-rw-r--r-- | kexec/arch/arm64/kexec-arm64.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/kexec/arch/arm64/kexec-arm64.h b/kexec/arch/arm64/kexec-arm64.h new file mode 100644 index 0000000..bac62f8 --- /dev/null +++ b/kexec/arch/arm64/kexec-arm64.h @@ -0,0 +1,71 @@ +/* + * ARM64 kexec. + */ + +#if !defined(KEXEC_ARM64_H) +#define KEXEC_ARM64_H + +#include <stdbool.h> +#include <sys/types.h> + +#include "image-header.h" +#include "kexec.h" + +#define KEXEC_SEGMENT_MAX 16 + +#define BOOT_BLOCK_VERSION 17 +#define BOOT_BLOCK_LAST_COMP_VERSION 16 +#define COMMAND_LINE_SIZE 512 + +#define KiB(x) ((x) * 1024UL) +#define MiB(x) (KiB(x) * 1024UL) +#define GiB(x) (MiB(x) * 1024UL) + +int elf_arm64_probe(const char *kernel_buf, off_t kernel_size); +int elf_arm64_load(int argc, char **argv, const char *kernel_buf, + off_t kernel_size, struct kexec_info *info); +void elf_arm64_usage(void); + +int image_arm64_probe(const char *kernel_buf, off_t kernel_size); +int image_arm64_load(int argc, char **argv, const char *kernel_buf, + off_t kernel_size, struct kexec_info *info); +void image_arm64_usage(void); + +off_t initrd_base; +off_t initrd_size; + +/** + * struct arm64_mem - Memory layout info. + */ + +struct arm64_mem { + uint64_t phys_offset; + uint64_t text_offset; + uint64_t image_size; + uint64_t vp_offset; +}; + +#define arm64_mem_ngv UINT64_MAX +struct arm64_mem arm64_mem; + +uint64_t get_phys_offset(void); +uint64_t get_vp_offset(void); + +static inline void reset_vp_offset(void) +{ + arm64_mem.vp_offset = arm64_mem_ngv; +} + +static inline void set_phys_offset(uint64_t v) +{ + if (arm64_mem.phys_offset == arm64_mem_ngv + || v < arm64_mem.phys_offset) + arm64_mem.phys_offset = v; +} + +int arm64_process_image_header(const struct arm64_image_header *h); +unsigned long arm64_locate_kernel_segment(struct kexec_info *info); +int arm64_load_other_segments(struct kexec_info *info, + unsigned long image_base); + +#endif |