20 lines
643 B
C
20 lines
643 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <stdint.h>
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#include <stddef.h>
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/*
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* Used in probe_ramsize(). This is a weak function and it's overridden for
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* ARMv8. Return 1 when DRAM exists at the address, otherwise return 0.
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*/
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int probe_mb(const uintptr_t dram_start, const uintptr_t size);
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/*
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* Probe an area if it's read/writable.
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* Primary use case is the detection of DRAM amount on emulators.
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*
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* @param dram_start Physical address of DRAM start
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* @param probe_size Maximum size in MiB to probe for
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* @return The detected DRAM size in MiB
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*/
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size_t probe_ramsize(const uintptr_t dram_start, const size_t probe_size);
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