[PATCH v3 14/21] RISC-V: implement PBL and relocation support

[Antony Pavlov]

On Sun, 21 Mar 2021 16:13:37 +0100
Ahmad Fatoum <a.fatoum at pengutronix.de> wrote:

Hi!

> --- /dev/null
> +++ b/arch/riscv/include/asm/barebox-riscv.h
> @@ -0,0 +1,104 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/*
> + * (C) Copyright 2002
> + * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
> + * Marius Groeger <mgroeger at sysgo.de>
> + *
> + * (C) Copyright 2002
> + * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
> + * Alex Zuepke <azu at sysgo.de>
> + */
> +
> +#ifndef _BAREBOX_RISCV_H_
> +#define _BAREBOX_RISCV_H_
> +
> +#include <linux/sizes.h>
> +#include <asm-generic/memory_layout.h>
> +#include <linux/kernel.h>
> +#include <linux/types.h>
> +#include <linux/compiler.h>
> +#include <asm/sections.h>
> +
> +unsigned long get_runtime_offset(void);
> +
> +void setup_c(void);
> +void relocate_to_current_adr(void);
> +void relocate_to_adr(unsigned long target);
> +void __noreturn __naked barebox_riscv_entry(unsigned long membase, unsigned long memsize,
> +					    void *boarddata);
> +
> +unsigned long riscv_mem_ramoops_get(void);
> +unsigned long riscv_mem_endmem_get(void);
> +
> +void *barebox_riscv_boot_dtb(void);
> +
> +static inline unsigned long riscv_mem_stack_top(unsigned long membase,
> +						unsigned long endmem)
> +{
> +	return endmem - SZ_2M;
> +}
> +
> +static inline unsigned long riscv_mem_stack(unsigned long membase,
> +					  unsigned long endmem)
> +{
> +	return riscv_mem_stack_top(membase, endmem) - STACK_SIZE;
> +}
> +
> +static inline unsigned long riscv_mem_early_malloc(unsigned long membase,
> +						   unsigned long endmem)
> +{
> +	return riscv_mem_stack(membase, endmem) - SZ_128K;
> +}
> +
> +static inline unsigned long riscv_mem_early_malloc_end(unsigned long membase,
> +						       unsigned long endmem)
> +{
> +	return riscv_mem_stack(membase, endmem);
> +}
> +
> +static inline unsigned long riscv_mem_ramoops(unsigned long membase,
> +					      unsigned long endmem)
> +{
> +	endmem = riscv_mem_stack(membase, endmem);
> +#ifdef CONFIG_FS_PSTORE_RAMOOPS
> +	endmem -= CONFIG_FS_PSTORE_RAMOOPS_SIZE;
> +	endmem = ALIGN_DOWN(endmem, SZ_4K);
> +#endif
> +
> +	return endmem;
> +}
> +
> +static inline unsigned long riscv_mem_barebox_image(unsigned long membase,
> +						    unsigned long endmem,
> +						    unsigned long size)
> +{
> +	endmem = riscv_mem_ramoops(membase, endmem);
> +
> +	return ALIGN_DOWN(endmem - size, SZ_1M);
> +}
> +
> +#define ENTRY_FUNCTION(name, arg0, arg1, arg2)                          \
> +	void name (ulong r0, ulong r1, ulong r2);                       \
> + 	static void __##name(ulong, ulong, ulong);                      \
   ^^
Please fix whitespace here.

-- 
Best regards,
  Antony Pavlov