memlayout.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/* This file contains macro definitions for memlayout.ld linker scripts. */
 
#ifndef __ARCH_MEMLAYOUT_H
#define __ARCH_MEMLAYOUT_H
 
#define TTB(addr, size) \
        REGION(ttb, addr, size, 4K) \
        _ = ASSERT(size % 4K == 0, "TTB size must be divisible by 4K!");
 
#define DMA_COHERENT(addr, size) \
        REGION(dma_coherent, addr, size, 4K) \
        _ = ASSERT(size % 4K == 0, \
                "DMA buffer should be multiple of smallest page size (4K)!");
 
#define FRAMEBUFFER(addr, size) \
        REGION(framebuffer, addr, size, 1M) \
        _ = ASSERT(size % 1M == 0, \
                "Framebuffer must fit exactly in 1M!");
 
/* ARM64 stacks need 16-byte alignment. */
#define STACK(addr, size) \
        REGION(stack, addr, size, 16) \
        _ = ASSERT(size >= 2K, "stack should be >= 2K, see toolchain.inc");
 
#define BL31(addr, size) \
        REGION(bl31, addr, size, 4K) \
        _ = ASSERT(size % 4K == 0, "BL31 size must be divisible by 4K!");
 
#endif /* __ARCH_MEMLAYOUT_H */