u-boot/arch/sandbox/cpu/cache.c
Heinrich Schuchardt 3286d223fd sandbox: implement invalidate_icache_all()
Before executing code that we have loaded from a file we need to flush the
data cache and invalidate the instruction flash.

Implement functions flush_cache() and invalidate_icache_all().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-12-22 20:39:25 -07:00

23 lines
588 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
*/
#include <common.h>
#include <cpu_func.h>
#include <asm/state.h>
void flush_cache(unsigned long addr, unsigned long size)
{
/* Clang uses (char *) parameters, GCC (void *) */
__builtin___clear_cache((void *)addr, (void *)(addr + size));
}
void invalidate_icache_all(void)
{
struct sandbox_state *state = state_get_current();
/* Clang uses (char *) parameters, GCC (void *) */
__builtin___clear_cache((void *)state->ram_buf,
(void *)(state->ram_buf + state->ram_size));
}