diff options
Diffstat (limited to 'kexec/kexec-syscall.h')
| -rw-r--r-- | kexec/kexec-syscall.h | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/kexec/kexec-syscall.h b/kexec/kexec-syscall.h index b56cb00..267b75b 100644 --- a/kexec/kexec-syscall.h +++ b/kexec/kexec-syscall.h @@ -39,17 +39,33 @@ #ifdef __s390__ #define __NR_kexec_load 277 #endif -#ifdef __arm__ -#define __NR_kexec_load __NR_SYSCALL_BASE + 347 +#if defined(__arm__) || defined(__arm64__) +#define __NR_kexec_load __NR_SYSCALL_BASE + 347 #endif #if defined(__mips__) #define __NR_kexec_load 4311 #endif +#ifdef __m68k__ +#define __NR_kexec_load 313 +#endif #ifndef __NR_kexec_load #error Unknown processor architecture. Needs a kexec_load syscall number. #endif #endif /*ifndef __NR_kexec_load*/ +#ifndef __NR_kexec_file_load + +#ifdef __x86_64__ +#define __NR_kexec_file_load 320 +#endif + +#ifndef __NR_kexec_file_load +/* system call not available for the arch */ +#define __NR_kexec_file_load 0xffffffff /* system call not available */ +#endif + +#endif /*ifndef __NR_kexec_file_load*/ + struct kexec_segment; static inline long kexec_load(void *entry, unsigned long nr_segments, @@ -58,20 +74,42 @@ static inline long kexec_load(void *entry, unsigned long nr_segments, return (long) syscall(__NR_kexec_load, entry, nr_segments, segments, flags); } +static inline int is_kexec_file_load_implemented(void) { + if (__NR_kexec_file_load != 0xffffffff) + return 1; + return 0; +} + +static inline long kexec_file_load(int kernel_fd, int initrd_fd, + unsigned long cmdline_len, const char *cmdline_ptr, + unsigned long flags) +{ + return (long) syscall(__NR_kexec_file_load, kernel_fd, initrd_fd, + cmdline_len, cmdline_ptr, flags); +} + #define KEXEC_ON_CRASH 0x00000001 #define KEXEC_PRESERVE_CONTEXT 0x00000002 #define KEXEC_ARCH_MASK 0xffff0000 +/* Flags for kexec file based system call */ +#define KEXEC_FILE_UNLOAD 0x00000001 +#define KEXEC_FILE_ON_CRASH 0x00000002 +#define KEXEC_FILE_NO_INITRAMFS 0x00000004 + /* These values match the ELF architecture values. * Unless there is a good reason that should continue to be the case. */ #define KEXEC_ARCH_DEFAULT ( 0 << 16) #define KEXEC_ARCH_386 ( 3 << 16) +#define KEXEC_ARCH_68K ( 4 << 16) #define KEXEC_ARCH_X86_64 (62 << 16) #define KEXEC_ARCH_PPC (20 << 16) #define KEXEC_ARCH_PPC64 (21 << 16) #define KEXEC_ARCH_IA_64 (50 << 16) #define KEXEC_ARCH_ARM (40 << 16) +#define KEXEC_ARCH_ARM64 (183 << 16) +/* #define KEXEC_ARCH_AARCH64 (183 << 16) */ #define KEXEC_ARCH_S390 (22 << 16) #define KEXEC_ARCH_SH (42 << 16) #define KEXEC_ARCH_MIPS_LE (10 << 16) @@ -114,5 +152,11 @@ static inline long kexec_load(void *entry, unsigned long nr_segments, #if defined(__mips__) #define KEXEC_ARCH_NATIVE KEXEC_ARCH_MIPS #endif +#ifdef __m68k__ +#define KEXEC_ARCH_NATIVE KEXEC_ARCH_68K +#endif +#if defined(__arm64__) +#define KEXEC_ARCH_NATIVE KEXEC_ARCH_ARM64 +#endif #endif /* KEXEC_SYSCALL_H */ |