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/*
* Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <common/debug.h>
#include "lib/xlat_mpu/xlat_mpu.h"
#include <lib/xlat_tables/xlat_tables_defs.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include "xlat_mpu_private.h"
#include <fvp_r_arch_helpers.h>
#include <platform_def.h>
#warning "xlat_mpu library is currently experimental and its API may change in future."
/*
* MMU configuration register values for the active translation context. Used
* from the MMU assembly helpers.
*/
uint64_t mmu_cfg_params[MMU_CFG_PARAM_MAX];
/*
* Allocate and initialise the default translation context for the BL image
* currently executing.
*/
REGISTER_XLAT_CONTEXT(tf, MAX_MMAP_REGIONS, MAX_XLAT_TABLES,
PLAT_VIRT_ADDR_SPACE_SIZE, PLAT_PHY_ADDR_SPACE_SIZE);
void mmap_add(const mmap_region_t *mm)
{
mmap_add_ctx(&tf_xlat_ctx, mm);
}
void __init init_xlat_tables(void)
{
assert(tf_xlat_ctx.xlat_regime == EL_REGIME_INVALID);
unsigned int current_el = xlat_arch_current_el();
if (current_el == 1U) {
tf_xlat_ctx.xlat_regime = EL1_EL0_REGIME;
} else {
assert(current_el == 2U);
tf_xlat_ctx.xlat_regime = EL2_REGIME;
}
/* Note: If EL3 is supported in future v8-R64, add EL3 assignment */
init_xlat_tables_ctx(&tf_xlat_ctx);
}
int xlat_get_mem_attributes(uintptr_t base_va, uint32_t *attr)
{
return xlat_get_mem_attributes_ctx(&tf_xlat_ctx, base_va, attr);
}
void enable_mpu_el2(unsigned int flags)
{
/* EL2 is strictly MPU on v8-R64, so no need for setup_mpu_cfg() */
enable_mpu_direct_el2(flags);
}
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