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Diffstat (limited to 'plat/qemu/common/qemu_bl1_setup.c')
-rw-r--r--plat/qemu/common/qemu_bl1_setup.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/plat/qemu/common/qemu_bl1_setup.c b/plat/qemu/common/qemu_bl1_setup.c
new file mode 100644
index 0000000..529510c
--- /dev/null
+++ b/plat/qemu/common/qemu_bl1_setup.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+
+#include "qemu_private.h"
+
+#define MAP_BL1_TOTAL MAP_REGION_FLAT( \
+ bl1_tzram_layout.total_base, \
+ bl1_tzram_layout.total_size, \
+ MT_MEMORY | MT_RW | EL3_PAS)
+
+#define MAP_BL1_RO MAP_REGION_FLAT( \
+ BL_CODE_BASE, \
+ BL1_CODE_END - BL_CODE_BASE, \
+ MT_CODE | EL3_PAS), \
+ MAP_REGION_FLAT( \
+ BL1_RO_DATA_BASE, \
+ BL1_RO_DATA_END \
+ - BL_RO_DATA_BASE, \
+ MT_RO_DATA | EL3_PAS)
+
+#if USE_COHERENT_MEM
+#define MAP_BL_COHERENT_RAM MAP_REGION_FLAT( \
+ BL_COHERENT_RAM_BASE, \
+ BL_COHERENT_RAM_END \
+ - BL_COHERENT_RAM_BASE, \
+ MT_DEVICE | MT_RW | EL3_PAS)
+#endif
+
+/* Data structure which holds the extents of the trusted SRAM for BL1*/
+static meminfo_t bl1_tzram_layout;
+
+
+meminfo_t *bl1_plat_sec_mem_layout(void)
+{
+ return &bl1_tzram_layout;
+}
+
+/*******************************************************************************
+ * Perform any BL1 specific platform actions.
+ ******************************************************************************/
+void bl1_early_platform_setup(void)
+{
+ /* Initialize the console to provide early debug support */
+ qemu_console_init();
+
+ /* Allow BL1 to see the whole Trusted RAM */
+ bl1_tzram_layout.total_base = BL_RAM_BASE;
+ bl1_tzram_layout.total_size = BL_RAM_SIZE;
+}
+
+/******************************************************************************
+ * Perform the very early platform specific architecture setup. This only
+ * does basic initialization. Later architectural setup (bl1_arch_setup())
+ * does not do anything platform specific.
+ *****************************************************************************/
+#ifdef __aarch64__
+#define QEMU_CONFIGURE_BL1_MMU(...) qemu_configure_mmu_el3(__VA_ARGS__)
+#else
+#define QEMU_CONFIGURE_BL1_MMU(...) qemu_configure_mmu_svc_mon(__VA_ARGS__)
+#endif
+
+void bl1_plat_arch_setup(void)
+{
+ const mmap_region_t bl_regions[] = {
+ MAP_BL1_TOTAL,
+ MAP_BL1_RO,
+#if USE_COHERENT_MEM
+ MAP_BL_COHERENT_RAM,
+#endif
+ {0}
+ };
+
+ setup_page_tables(bl_regions, plat_qemu_get_mmap());
+#ifdef __aarch64__
+ enable_mmu_el3(0);
+#else
+ enable_mmu_svc_mon(0);
+#endif
+}
+
+void bl1_platform_setup(void)
+{
+ plat_qemu_io_setup();
+}