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