1fea25720SGraeme Russ /* 2fea25720SGraeme Russ * (C) Copyright 2002-2010 3fea25720SGraeme Russ * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4fea25720SGraeme Russ * 5*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 6fea25720SGraeme Russ */ 7fea25720SGraeme Russ 8fea25720SGraeme Russ #ifndef __ASM_GBL_DATA_H 9fea25720SGraeme Russ #define __ASM_GBL_DATA_H 105cb48582SSimon Glass 115cb48582SSimon Glass #ifndef __ASSEMBLY__ 125cb48582SSimon Glass 135cb48582SSimon Glass /* Architecture-specific global data */ 145cb48582SSimon Glass struct arch_global_data { 155a35e6c4SSimon Glass struct global_data *gd_addr; /* Location of Global Data */ 16bc2df1afSSimon Glass uint64_t tsc_base; /* Initial value returned by rdtsc() */ 17bc2df1afSSimon Glass uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 18bc2df1afSSimon Glass uint32_t tsc_prev; /* For show_boot_progress() */ 19f697d528SSimon Glass void *new_fdt; /* Relocated FDT */ 205cb48582SSimon Glass }; 215cb48582SSimon Glass 229558b48aSGraeme Russ #endif 23fea25720SGraeme Russ 2443cff66eSSimon Glass #include <asm-generic/global_data.h> 2543cff66eSSimon Glass 2643cff66eSSimon Glass #ifndef __ASSEMBLY__ 27d8819f94SSimon Glass static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void) 289e6c572fSGraeme Russ { 299e6c572fSGraeme Russ gd_t *gd_ptr; 309e6c572fSGraeme Russ 319e6c572fSGraeme Russ asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 329e6c572fSGraeme Russ 339e6c572fSGraeme Russ return gd_ptr; 349e6c572fSGraeme Russ } 359e6c572fSGraeme Russ 369e6c572fSGraeme Russ #define gd get_fs_gd_ptr() 37fea25720SGraeme Russ 38fea25720SGraeme Russ #endif 39fea25720SGraeme Russ 4091d82a29SGabe Black /* 4191d82a29SGabe Black * Our private Global Data Flags 4291d82a29SGabe Black */ 4391d82a29SGabe Black #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 4491d82a29SGabe Black #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 4591d82a29SGabe Black 46fea25720SGraeme Russ #define DECLARE_GLOBAL_DATA_PTR 47fea25720SGraeme Russ 48fea25720SGraeme Russ #endif /* __ASM_GBL_DATA_H */ 49