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https://github.com/brain-hackers/u-boot-brain
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6b9966e1aa
Function set_gd() is needed in the UEFI sub-system if the global data pointer is stored in a register. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* Copyright (c) 2017 Microsemi Corporation.
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* Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com>
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*/
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#ifndef __ASM_GBL_DATA_H
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#define __ASM_GBL_DATA_H
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#include <asm/smp.h>
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#include <asm/u-boot.h>
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#include <compiler.h>
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/* Architecture-specific global data */
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struct arch_global_data {
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long boot_hart; /* boot hart id */
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phys_addr_t firmware_fdt_addr;
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#ifdef CONFIG_SIFIVE_CLINT
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void __iomem *clint; /* clint base address */
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#endif
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#ifdef CONFIG_ANDES_PLIC
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void __iomem *plic; /* plic base address */
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#endif
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#ifdef CONFIG_ANDES_PLMT
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void __iomem *plmt; /* plmt base address */
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#endif
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#if CONFIG_IS_ENABLED(SMP)
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struct ipi_data ipi[CONFIG_NR_CPUS];
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#endif
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#ifndef CONFIG_XIP
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ulong available_harts;
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#endif
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};
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#include <asm-generic/global_data.h>
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#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("gp")
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static inline void set_gd(volatile gd_t *gd_ptr)
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{
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#ifdef CONFIG_64BIT
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asm volatile("ld gp, %0\n" : : "m"(gd_ptr));
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#else
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asm volatile("lw gp, %0\n" : : "m"(gd_ptr));
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#endif
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}
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#endif /* __ASM_GBL_DATA_H */
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