1 /* 2 * (C) Copyright 2002-2010 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __ASM_GBL_DATA_H 9 #define __ASM_GBL_DATA_H 10 11 #ifndef __ASSEMBLY__ 12 13 /* Architecture-specific global data */ 14 struct arch_global_data { 15 struct global_data *gd_addr; /* Location of Global Data */ 16 uint8_t x86; /* CPU family */ 17 uint8_t x86_vendor; /* CPU vendor */ 18 uint8_t x86_model; 19 uint8_t x86_mask; 20 uint32_t x86_device; 21 uint64_t tsc_base; /* Initial value returned by rdtsc() */ 22 uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 23 uint32_t tsc_prev; /* For show_boot_progress() */ 24 void *new_fdt; /* Relocated FDT */ 25 uint32_t bist; /* Built-in self test value */ 26 }; 27 28 #endif 29 30 #include <asm-generic/global_data.h> 31 32 #ifndef __ASSEMBLY__ 33 static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void) 34 { 35 gd_t *gd_ptr; 36 37 asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 38 39 return gd_ptr; 40 } 41 42 #define gd get_fs_gd_ptr() 43 44 #endif 45 46 /* 47 * Our private Global Data Flags 48 */ 49 #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 50 #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 51 52 #define DECLARE_GLOBAL_DATA_PTR 53 54 #endif /* __ASM_GBL_DATA_H */ 55