diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/microcode.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/microcode.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/arch/x86/include/asm/microcode.h b/kernel/arch/x86/include/asm/microcode.h index 34e62b1dc..712b24ed3 100644 --- a/kernel/arch/x86/include/asm/microcode.h +++ b/kernel/arch/x86/include/asm/microcode.h @@ -2,6 +2,7 @@ #define _ASM_X86_MICROCODE_H #include <linux/earlycpio.h> +#include <linux/initrd.h> #define native_rdmsr(msr, val1, val2) \ do { \ @@ -168,4 +169,29 @@ static inline void reload_early_microcode(void) { } static inline bool get_builtin_firmware(struct cpio_data *cd, const char *name) { return false; } #endif + +static inline unsigned long get_initrd_start(void) +{ +#ifdef CONFIG_BLK_DEV_INITRD + return initrd_start; +#else + return 0; +#endif +} + +static inline unsigned long get_initrd_start_addr(void) +{ +#ifdef CONFIG_BLK_DEV_INITRD +#ifdef CONFIG_X86_32 + unsigned long *initrd_start_p = (unsigned long *)__pa_nodebug(&initrd_start); + + return (unsigned long)__pa_nodebug(*initrd_start_p); +#else + return get_initrd_start(); +#endif +#else /* CONFIG_BLK_DEV_INITRD */ + return 0; +#endif +} + #endif /* _ASM_X86_MICROCODE_H */ |