arm-trusted-firmware/include/plat/arm/common/arm_spm_def.h

106 lines
3.4 KiB
C

/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __ARM_SPM_DEF_H__
#define __ARM_SPM_DEF_H__
#include <arm_def.h>
#include <platform_def.h>
#include <utils_def.h>
#include <xlat_tables_defs.h>
/*
* If BL31 is placed in DRAM, place the Secure Partition in DRAM right after the
* region used by BL31. If BL31 it is placed in SRAM, put the Secure Partition
* at the base of DRAM.
*/
#define ARM_SP_IMAGE_BASE BL32_BASE
#define ARM_SP_IMAGE_LIMIT BL32_LIMIT
/* The maximum size of the S-EL0 payload can be 3MB */
#define ARM_SP_IMAGE_SIZE ULL(0x300000)
#ifdef IMAGE_BL2
/* SPM Payload memory. Mapped as RW in BL2. */
#define ARM_SP_IMAGE_MMAP MAP_REGION_FLAT( \
ARM_SP_IMAGE_BASE, \
ARM_SP_IMAGE_SIZE, \
MT_MEMORY | MT_RW | MT_SECURE)
#endif
#ifdef IMAGE_BL31
/* SPM Payload memory. Mapped as code in S-EL1 */
#define ARM_SP_IMAGE_MMAP MAP_REGION2( \
ARM_SP_IMAGE_BASE, \
ARM_SP_IMAGE_BASE, \
ARM_SP_IMAGE_SIZE, \
MT_CODE | MT_SECURE | MT_USER, \
PAGE_SIZE)
#endif
/*
* Memory shared between EL3 and S-EL0. It is used by EL3 to push data into
* S-EL0, so it is mapped with RW permission from EL3 and with RO permission
* from S-EL0. Placed after SPM Payload memory.
*/
#define PLAT_SPM_BUF_BASE (ARM_SP_IMAGE_BASE + ARM_SP_IMAGE_SIZE)
#define PLAT_SPM_BUF_SIZE ULL(0x100000)
#define ARM_SPM_BUF_EL3_MMAP MAP_REGION_FLAT( \
PLAT_SPM_BUF_BASE, \
PLAT_SPM_BUF_SIZE, \
MT_RW_DATA | MT_SECURE)
#define ARM_SPM_BUF_EL0_MMAP MAP_REGION2( \
PLAT_SPM_BUF_BASE, \
PLAT_SPM_BUF_BASE, \
PLAT_SPM_BUF_SIZE, \
MT_RO_DATA | MT_SECURE | MT_USER,\
PAGE_SIZE)
/*
* Memory shared between Normal world and S-EL0 for passing data during service
* requests. Mapped as RW and NS. Placed after the shared memory between EL3 and
* S-EL0.
*/
#define ARM_SP_IMAGE_NS_BUF_BASE (PLAT_SPM_BUF_BASE + PLAT_SPM_BUF_SIZE)
#define ARM_SP_IMAGE_NS_BUF_SIZE ULL(0x10000)
#define ARM_SP_IMAGE_NS_BUF_MMAP MAP_REGION2( \
ARM_SP_IMAGE_NS_BUF_BASE, \
ARM_SP_IMAGE_NS_BUF_BASE, \
ARM_SP_IMAGE_NS_BUF_SIZE, \
MT_RW_DATA | MT_NS | MT_USER, \
PAGE_SIZE)
/*
* RW memory, which uses the remaining Trusted DRAM. Placed after the memory
* shared between Secure and Non-secure worlds. First there is the stack memory
* for all CPUs and then there is the common heap memory. Both are mapped with
* RW permissions.
*/
#define PLAT_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
ARM_SP_IMAGE_NS_BUF_SIZE)
#define PLAT_SP_IMAGE_STACK_PCPU_SIZE ULL(0x2000)
#define ARM_SP_IMAGE_STACK_TOTAL_SIZE (PLATFORM_CORE_COUNT * \
PLAT_SP_IMAGE_STACK_PCPU_SIZE)
#define ARM_SP_IMAGE_HEAP_BASE (PLAT_SP_IMAGE_STACK_BASE + \
ARM_SP_IMAGE_STACK_TOTAL_SIZE)
#define ARM_SP_IMAGE_HEAP_SIZE (ARM_SP_IMAGE_LIMIT - ARM_SP_IMAGE_HEAP_BASE)
#define ARM_SP_IMAGE_RW_MMAP MAP_REGION2( \
PLAT_SP_IMAGE_STACK_BASE, \
PLAT_SP_IMAGE_STACK_BASE, \
(ARM_SP_IMAGE_LIMIT - \
PLAT_SP_IMAGE_STACK_BASE), \
MT_RW_DATA | MT_SECURE | MT_USER,\
PAGE_SIZE)
/* Total number of memory regions with distinct properties */
#define ARM_SP_IMAGE_NUM_MEM_REGIONS 6
/* Cookies passed to the Secure Partition at boot. Not used by ARM platforms. */
#define PLAT_SPM_COOKIE_0 ULL(0)
#define PLAT_SPM_COOKIE_1 ULL(0)
#endif /* __ARM_SPM_DEF_H__ */