feat(esp_tee): Reclaim unused TEE IRAM memory as heap

- Changed the default TEE code placement to use the flash
  text section instead of IRAM text, making it consistent
  with the default data placement.

components/esp_tee/Kconfig.projbuild

@@ -19,8 +19,8 @@ menu "ESP-TEE (Trusted Execution Environment)"
 
         config SECURE_TEE_DRAM_SIZE
             hex "DRAM region size"
-            default 0x5000
-            range 0x4000 0x7000
+            default 0x4000
+            range 0x3000 0x7000
             help
                 This configuration sets the DRAM size for the TEE module.
                 This should be 256-byte (0x100) aligned.

components/esp_tee/subproject/main/ld/elf_misc.ld.in

@@ -0,0 +1,74 @@
+#include "sdkconfig.h"
+
+  /**
+   * This section is not included in the binary image; it is only present in the ELF file.
+   * It is used to keep certain symbols in the ELF file.
+   */
+  .noload 0 (INFO) :
+  {
+    /* Reserve first 4 bytes as zero for vars pointed to NULL */
+    . = 0;
+    LONG(0);
+    _noload_keep_in_elf_start = ABSOLUTE(.);
+    KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
+    mapping[noload_keep_in_elf]
+    _noload_keep_in_elf_end = ABSOLUTE(.);
+  }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+#if CONFIG_IDF_TARGET_ARCH_RISCV
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /DISCARD/ :
+  {
+   /**
+    * Discarding .rela.* sections results in the following mapping:
+    * .rela.text.* -> .text.*
+    * .rela.data.* -> .data.*
+    * And so forth...
+    */
+   *(.rela.*)
+   *(.got .got.plt) /* TODO: GCC-382 */
+  }
+#endif

components/esp_tee/subproject/main/ld/esp32c5/esp_tee.ld.in

@@ -1,32 +1,29 @@
 /*
- * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #include "sdkconfig.h"
+#include "ld.common"
 
-#define SRAM_IRAM_START            (0x40800000)
-#define SRAM_IRAM_TEE_ORG          (SRAM_IRAM_START)
-#define SRAM_DRAM_TEE_ORG          (SRAM_IRAM_START)
+#define SRAM_TEE_SEG_START         (0x40800000)
+#define SRAM_REE_SEG_START         (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
 
-#define SRAM_IRAM_ORG              (SRAM_IRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
+#define SRAM_TEE_DRAM_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
+#define SRAM_TEE_DRAM_END          (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
-#define SRAM_DRAM_TEE_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
-#define SRAM_DRAM_TEE_END          (SRAM_DRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
-
-#define I_D_SRAM_TEE_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
+#define SRAM_TEE_SEG_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
 /* TEE interrupt stack is placed at the end of the TEE DRAM segment.
  * The top of the TEE stack is before the end of interrupt stack
  * and the bottom of the stack is at _heap_end.
  */
-#define SRAM_STACK_TEE_ORG         (SRAM_DRAM_TEE_END)
-#define SRAM_INTR_STACK_TEE_ORG    (SRAM_DRAM_TEE_END + CONFIG_SECURE_TEE_STACK_SIZE)
+#define SRAM_TEE_STACK_SEG_START        (SRAM_TEE_DRAM_END)
+#define SRAM_TEE_INTR_STACK_SEG_START   (SRAM_TEE_DRAM_END + CONFIG_SECURE_TEE_STACK_SIZE)
 
-#define FLASH_IROM_TEE_ORG         (0x42000000)
-#define FLASH_DROM_TEE_ORG         (0x42000000)
-#define I_D_FLASH_TEE_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
+#define FLASH_TEE_SEG_START        (0x42000000)
+#define FLASH_TEE_SEG_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
 
 /**
  * These values are the same in every app binary for the same chip target.
@@ -36,9 +33,9 @@
  */
 
 #if CONFIG_ESP_DEBUG_INCLUDE_OCD_STUB_BINS
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x22b0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x22b0 );
 #else
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x2b0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x2b0 );
 #endif
 
 PROVIDE ( GDMA                      = 0x60080000 );
@@ -48,60 +45,95 @@ ENTRY(esp_tee_init);
 
 MEMORY
 {
-/* IRAM Configuration */
-  iram_tee_seg (RX) :                    org = SRAM_IRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash text section */
+  irom_tee_seg (RX):                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* DRAM Configuration */
-  dram_tee_seg (RW)  :                   org = SRAM_DRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash data section */
+  drom_tee_seg (R) :                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* TEE Stack Configuration */
-  stack_tee_seg (RW)  :                  org = SRAM_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_STACK_SIZE
+/* I/DRAM section */
+  sram_tee_seg (RWX) :                    org = SRAM_TEE_SEG_START, len = SRAM_TEE_SEG_SIZE
 
-/* TEE Interrupt Stack Configuration */
-  intr_stack_tee_seg (RW)  :             org = SRAM_INTR_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
+/* Stack section */
+  stack_tee_seg (RW)  :                   org = SRAM_TEE_STACK_SEG_START, len = CONFIG_SECURE_TEE_STACK_SIZE
 
-/* TEE flash data section */
-  flash_data_seg (R) :                   org = FLASH_DROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
-
-/* TEE flash text section */
-  flash_text_seg (RX):                   org = FLASH_IROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
+/* Interrupt stack section */
+  intr_stack_tee_seg (RW)  :              org = SRAM_TEE_INTR_STACK_SEG_START, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
 }
 
 SECTIONS
 {
-  /**
-   * This section is required to skip .iram.tee_text area because iram_tee_seg and
-   * dram_tee_seg reflect the same address space on different buses.
-   */
-  .dram.tee_dummy (NOLOAD):
+  .iram.tee.text :
   {
-    . = ORIGIN(dram_tee_seg) + CONFIG_SECURE_TEE_IRAM_SIZE;
-  } > dram_tee_seg
+    /* Vectors go to start of IRAM */
+    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
+    _tee_vec_start = ABSOLUTE(.);
+    KEEP(*(.exception_vectors_table.text));
+    KEEP(*(.exception_vectors.text));
+    ALIGNED_SYMBOL(4, _invalid_pc_placeholder)
+    _tee_vec_end = ABSOLUTE(.);
 
-  .dram.tee.bss (NOLOAD) :
-  {
-    . = ALIGN (8);
-    _tee_dram_start = ABSOLUTE(.);
-    _tee_bss_start = ABSOLUTE(.);
-    *(.bss .bss.*)
-    *(.sbss .sbss.*)
-    . = ALIGN (8);
-    _tee_bss_end = ABSOLUTE(.);
-  } > dram_tee_seg
+    /* Code marked as running out of IRAM */
+    _tee_iram_start = ABSOLUTE(.);
+    *(.iram1 .iram1.*)
+    /* TEE initialization */
+    *libmain.a:esp_tee_init.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_secure_sys_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_pmp_pma_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:brownout.c*(.literal .text .literal.* .text.*)
+    *libmain.a:multi_heap.c*(.literal .text .literal.* .text.*)
+    /* Panic handler */
+    *libmain.a:esp_tee_panic.c*(.literal .text .literal.* .text.*)
+    *libmain.a:panic_helper_riscv.c*(.literal .text .literal.* .text.*)
+    /* Service call execution */
+    *libmain.a:esp_tee_vectors_clic.S*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_dispatcher.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_services_iram.c*(.literal .text .literal.* .text.*)
+    /* Interrupt configuration */
+    *libmain.a:esp_tee_intr.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_intr.c*(.literal .text .literal.* .text.*)
+    /* HAL */
+    *libhal.a:mmu_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:cache_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:wdt_hal_iram.c*(.literal .text .literal.* .text.*)
+    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
+    /* IDF components */
+    *libbootloader_support.a:*(.literal .text .literal.* .text.*)
+    *libesp_hw_support.a:*(.literal .text .literal.* .text.*)
+    *liblog.a:*(.literal .text .literal.* .text.*)
+    *libriscv.a:*(.literal .text .literal.* .text.*)
+    /* TEE services: Secure storage, OTA, attestation */
+    *libtee_flash_mgr.a:*(.literal .text .literal.* .text.*)
+    *libtee_sec_storage.a:*(.literal .text .literal.* .text.*)
+    *libtee_ota_ops.a:*(.literal .text .literal.* .text.*)
+    *libtee_attestation.a:*(.literal .text .literal.* .text.*)
+
+    /* Align the end of code region as per PMP region granularity */
+    ALIGNED_SYMBOL(_esp_pmp_align_size, _tee_iram_end)
+  } > sram_tee_seg
 
   .dram.tee.data :
   {
-    _data_start = ABSOLUTE(.);
+    _tee_dram_start = ABSOLUTE(.);
+    _tee_data_start = ABSOLUTE(.);
     *(.data .data.*)
     *(.sdata .sdata.*)
     *(.dram1 .dram1.*)
-    . = ALIGN(4);
-    _data_end = ABSOLUTE(.);
-   } > dram_tee_seg
+    _tee_data_end = ABSOLUTE(.);
+   } > sram_tee_seg
+
+  .dram.tee.bss (NOLOAD) :
+  {
+    ALIGNED_SYMBOL(8, _tee_bss_start)
+    *(.bss .bss.*)
+    *(.sbss .sbss.*)
+    ALIGNED_SYMBOL(8, _tee_bss_end)
+  } > sram_tee_seg
 
   .dram.tee.rodata :
   {
-    _rodata_start = ABSOLUTE(.);
+    _tee_rodata_start = ABSOLUTE(.);
     /* TEE flash manager */
     *libtee_flash_mgr.a:*(.rodata .srodata .rodata.* .srodata.*)
     *libbootloader_support.a:bootloader_flash.*(.rodata .srodata .rodata.* .srodata.*)
@@ -114,189 +146,69 @@ SECTIONS
     /* HAL (noflash) */
     *libhal.a:mmu_hal.c*(.rodata .srodata .rodata.* .srodata.*)
     *libhal.a:cache_hal.c*(.rodata .srodata .rodata.* .srodata.*)
-    _rodata_end = ABSOLUTE(.);
+    _tee_rodata_end = ABSOLUTE(.);
     _tee_dram_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.heap :
+  .dram.tee.heap (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_heap_start = ABSOLUTE(.);
-    . = ORIGIN(dram_tee_seg) + LENGTH(dram_tee_seg);
+    . = ORIGIN(sram_tee_seg) + LENGTH(sram_tee_seg);
     _tee_heap_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.stack :
+  .dram.tee.stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(stack_tee_seg) + LENGTH(stack_tee_seg);
     _tee_stack = ABSOLUTE(.);
   } > stack_tee_seg
 
-  .dram.tee.intr_stack :
+  .dram.tee.intr_stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_intr_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(intr_stack_tee_seg) + LENGTH(intr_stack_tee_seg);
     _tee_intr_stack = ABSOLUTE(.);
   } > intr_stack_tee_seg
 
-  .flash.rodata :
+
+  .flash.tee.rodata : ALIGN(0x10)
   {
-    _tee_xip_data_start = ABSOLUTE(.);
+    _tee_flash_data_start = ABSOLUTE(.);
     *(.rodata_desc .rodata_desc.*)                /* Should be the first. TEE App version info. DO NOT PUT ANYTHING BEFORE IT! */
     *(.rodata .rodata.*)
     *(.srodata .srodata.*)
     *(.gcc_except_table .gcc_except_table.*)
-    _tee_xip_data_end = ABSOLUTE(.);
-   } > flash_data_seg
+    _tee_flash_data_end = ABSOLUTE(.);
+   } > drom_tee_seg
 
-  .flash.text_dummy (NOLOAD):
+  .flash.tee.text_dummy (NOLOAD):
   {
-    . = ALIGN(ALIGNOF(.flash.rodata));
-    /* Create an empty gap as big as .flash.rodata section */
-    . = . + SIZEOF(.flash.rodata);
-    /* Prepare the alignment of the section above. Few bytes (0x20) must be
-     * added for the mapping header. */
-    . = ALIGN(CONFIG_MMU_PAGE_SIZE) + 0x20;
-  } > flash_text_seg
+    /* Create an empty gap as big as .flash.tee.rodata section */
+    . = ALIGN(ALIGNOF(.flash.tee.rodata)) + SIZEOF(.flash.tee.rodata);
+    /* Add alignment of MMU page size + 0x20 bytes for the mapping header. */
+    . = ALIGN(_esp_mmu_page_size) + 0x20;
+  } > irom_tee_seg
 
-
-/* HAL modules and their memory placement:
- *
- * +-----------+---------------+--------+
- * | Module    | Section       | Memory |
- * +-----------+---------------+--------+
- * | MMU       | text+rodata   | SRAM   |
- * | CACHE     | text+rodata   | SRAM   |
- * | WDT       | text          | SRAM   |
- * | APM       | text          | Flash* |
- * | AES       | text          | Flash  |
- * | SHA       | text          | Flash  |
- * | HMAC      | text          | Flash  |
- * | DS        | text          | Flash  |
- * | ECC       | text          | Flash  |
- * | BROWNOUT  | text          | Flash  |
- * | EFUSE     | text          | Flash  |
- * | LPTIMER   | text          | Flash  |
- * | SPI_FLASH | text          | Flash  |
- * +-----------+---------------+--------+
- *
- * By default, for ESP-TEE, text sections are placed in SRAM while rodata sections go to the flash.
- * Therefore, only HAL modules that require SRAM placement for proper functionality are located there,
- * while the remaining modules are placed in flash memory.
- */
-
-  .flash.text :
+  .flash.tee.text :
   {
-    _tee_xip_text_start = ABSOLUTE(.);
-    /* Secure Services */
-    *libmain.a:esp_secure_services.c*(.literal .text .literal.* .text.*)
-    /* HAL */
-    *libhal.a:aes_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:sha_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:hmac_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ds_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ecc_hal.c*(.literal .text .literal.* .text.*)
-    /* NOTE: There is a possibility of APM violations (SPI1 flash protection)
-     * being triggered with the flash cache disabled */
-#if !CONFIG_SECURE_TEE_EXT_FLASH_MEMPROT_SPI1
-    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
-#endif
-    *libhal.a:brownout_hal.c*(.literal .text .literal.* .text.*)
-    *libesp_hal_mspi.a:spi_flash_hal.c*(.literal .text .literal.* .text.*)
-    /* These HAL modules have functions marked with the IRAM_ATTR attribute which get placed in the SRAM */
-    *libhal.a:efuse_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:lp_timer_hal.c*(.literal .text .literal.* .text.*)
-    /* Mbedtls for TEE */
-    *libmbedtls.a:*(.literal .text .literal.* .text.*)
-    *libmbedcrypto.a:*(.literal .text .literal.* .text.*)
-    /* HMAC-DS layer */
-    *libesp_security.a:*(.literal .text .literal.* .text.*)
-    /* NVS flash and related modules */
-    *libnvs_flash.a:*(.literal .text .literal.* .text.*)
-    *libstdc++.a:*(.literal .text .literal.* .text.*)
-    *libgcc.a:*(.literal .text .literal.* .text.*)
-    /* esp_partition API */
-    *libesp_partition.a:*(.literal .text .literal.* .text.*)
-    /* TEE attestation module */
-    *libattestation.a:*(.literal .text .literal.* .text.*)
-    *json_generator.a:*(.literal .text .literal.* .text.*)
-    /* TEE test module */
-    *libtest_sec_srv.a:*(.literal .text .literal.* .text.*)
-    _tee_xip_text_end = ABSOLUTE(.);
-    _tee_xip_end = ABSOLUTE(.);
-   } > flash_text_seg
-
-  .iram.tee.text :
-  {
-    /* Vectors go to start of IRAM */
-    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
-    _tee_vec_start = ABSOLUTE(.);
-    KEEP(*(.exception_vectors_table.text));
-    KEEP(*(.exception_vectors.text));
-    . = ALIGN(4);
-    _invalid_pc_placeholder = ABSOLUTE(.);
-    _tee_vec_end = ABSOLUTE(.);
-
-    _tee_iram_start = ABSOLUTE(.);
-    *(.literal .text .iram1 .literal.* .text.* .iram1.*)
+    _tee_flash_text_start = ABSOLUTE(.);
+    *(.literal .text .literal.* .text.*)
     *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
-    _tee_iram_end = ABSOLUTE(.);
-  } > iram_tee_seg
+    /**
+     * CPU will try to prefetch up to 16 bytes of of instructions.
+     * This means that any configuration (e.g. MMU, PMS) must allow
+     * safe access to up to 16 bytes after the last real instruction, add
+     * dummy bytes to ensure this
+     */
+    . += _esp_flash_mmap_prefetch_pad_size;
+    _tee_flash_text_end = ABSOLUTE(.);
+   } > irom_tee_seg
 
-  .riscv.attributes 0: { *(.riscv.attributes) }
-
-  /* DWARF 1 */
-  .debug              0 : { *(.debug) }
-  .line               0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo      0 : { *(.debug_srcinfo) }
-  .debug_sfnames      0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges      0 : { *(.debug_aranges) }
-  .debug_pubnames     0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev       0 : { *(.debug_abbrev) }
-  .debug_line         0 : { *(.debug_line) }
-  .debug_frame        0 : { *(.debug_frame) }
-  .debug_str          0 : { *(.debug_str) }
-  .debug_loc          0 : { *(.debug_loc) }
-  .debug_macinfo      0 : { *(.debug_macinfo) }
-  .debug_pubtypes     0 : { *(.debug_pubtypes) }
-  /* DWARF 3 */
-  .debug_ranges       0 : { *(.debug_ranges) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames    0 : { *(.debug_weaknames) }
-  .debug_funcnames    0 : { *(.debug_funcnames) }
-  .debug_typenames    0 : { *(.debug_typenames) }
-  .debug_varnames     0 : { *(.debug_varnames) }
-  /* GNU DWARF 2 extensions */
-  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
-  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
-  /* DWARF 4 */
-  .debug_types        0 : { *(.debug_types) }
-  /* DWARF 5 */
-  .debug_addr         0 : { *(.debug_addr) }
-  .debug_line_str     0 : { *(.debug_line_str) }
-  .debug_loclists     0 : { *(.debug_loclists) }
-  .debug_macro        0 : { *(.debug_macro) }
-  .debug_names        0 : { *(.debug_names) }
-  .debug_rnglists     0 : { *(.debug_rnglists) }
-  .debug_str_offsets  0 : { *(.debug_str_offsets) }
-
-  .comment 0 : { *(.comment) }
-  .note.GNU-stack 0: { *(.note.GNU-stack) }
-
-  /**
-   * Discarding .rela.* sections results in the following mapping:
-   * .rela.text.* -> .text.*
-   * .rela.data.* -> .data.*
-   * And so forth...
-   */
-  /DISCARD/ : { *(.rela.*) }
+#include "elf_misc.ld.in"
 }
 
-ASSERT ((_tee_iram_end < _tee_dram_start), "Error: TEE IRAM segment overflowed into the DRAM segment!");
+ASSERT ((_tee_iram_end <= _tee_dram_start),
+        "Error: TEE IRAM segment overflowed into the DRAM segment! Increase CONFIG_SECURE_TEE_IRAM_SIZE as required.");
+ASSERT((_tee_heap_end >= _tee_heap_start + 0x2000),
+        "Error: TEE heap size is too small - minimum is 8KB (0x2000)! Increase CONFIG_SECURE_TEE_DRAM_SIZE as required.");

components/esp_tee/subproject/main/ld/esp32c6/esp_tee.ld.in

@@ -1,32 +1,29 @@
 /*
- * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #include "sdkconfig.h"
+#include "ld.common"
 
-#define SRAM_IRAM_START            (0x40800000)
-#define SRAM_IRAM_TEE_ORG          (SRAM_IRAM_START)
-#define SRAM_DRAM_TEE_ORG          (SRAM_IRAM_START)
+#define SRAM_TEE_SEG_START         (0x40800000)
+#define SRAM_REE_SEG_START         (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
 
-#define SRAM_IRAM_ORG              (SRAM_IRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
+#define SRAM_TEE_DRAM_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
+#define SRAM_TEE_DRAM_END          (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
-#define SRAM_DRAM_TEE_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
-#define SRAM_DRAM_TEE_END          (SRAM_DRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
-
-#define I_D_SRAM_TEE_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
+#define SRAM_TEE_SEG_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
 /* TEE interrupt stack is placed at the end of the TEE DRAM segment.
  * The top of the TEE stack is before the end of interrupt stack
  * and the bottom of the stack is at _heap_end.
  */
-#define SRAM_STACK_TEE_ORG         (SRAM_DRAM_TEE_END)
-#define SRAM_INTR_STACK_TEE_ORG    (SRAM_DRAM_TEE_END + CONFIG_SECURE_TEE_STACK_SIZE)
+#define SRAM_TEE_STACK_SEG_START        (SRAM_TEE_DRAM_END)
+#define SRAM_TEE_INTR_STACK_SEG_START   (SRAM_TEE_DRAM_END + CONFIG_SECURE_TEE_STACK_SIZE)
 
-#define FLASH_IROM_TEE_ORG         (0x42000000)
-#define FLASH_DROM_TEE_ORG         (0x42000000)
-#define I_D_FLASH_TEE_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
+#define FLASH_TEE_SEG_START        (0x42000000)
+#define FLASH_TEE_SEG_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
 
 /**
  * These values are the same in every app binary for the same chip target.
@@ -36,9 +33,9 @@
  */
 
 #if CONFIG_ESP_DEBUG_INCLUDE_OCD_STUB_BINS
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x22e0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x22e0 );
 #else
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x2e0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x2e0 );
 #endif
 
 PROVIDE ( GDMA                      = 0x60080000 );
@@ -48,60 +45,95 @@ ENTRY(esp_tee_init);
 
 MEMORY
 {
-/* IRAM Configuration */
-  iram_tee_seg (RX) :                    org = SRAM_IRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash text section */
+  irom_tee_seg (RX):                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* DRAM Configuration */
-  dram_tee_seg (RW)  :                   org = SRAM_DRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash data section */
+  drom_tee_seg (R) :                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* TEE Stack Configuration */
-  stack_tee_seg (RW)  :                  org = SRAM_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_STACK_SIZE
+/* I/DRAM section */
+  sram_tee_seg (RWX) :                    org = SRAM_TEE_SEG_START, len = SRAM_TEE_SEG_SIZE
 
-/* TEE Interrupt Stack Configuration */
-  intr_stack_tee_seg (RW)  :             org = SRAM_INTR_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
+/* Stack section */
+  stack_tee_seg (RW)  :                   org = SRAM_TEE_STACK_SEG_START, len = CONFIG_SECURE_TEE_STACK_SIZE
 
-/* TEE flash data section */
-  flash_data_seg (R) :                   org = FLASH_DROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
-
-/* TEE flash text section */
-  flash_text_seg (RX):                   org = FLASH_IROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
+/* Interrupt stack section */
+  intr_stack_tee_seg (RW)  :              org = SRAM_TEE_INTR_STACK_SEG_START, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
 }
 
 SECTIONS
 {
-  /**
-   * This section is required to skip .iram.tee_text area because iram_tee_seg and
-   * dram_tee_seg reflect the same address space on different buses.
-   */
-  .dram.tee_dummy (NOLOAD):
+  .iram.tee.text :
   {
-    . = ORIGIN(dram_tee_seg) + CONFIG_SECURE_TEE_IRAM_SIZE;
-  } > dram_tee_seg
+    /* Vectors go to start of IRAM */
+    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
+    _tee_vec_start = ABSOLUTE(.);
+    KEEP(*(.exception_vectors_table.text));
+    KEEP(*(.exception_vectors.text));
+    ALIGNED_SYMBOL(4, _invalid_pc_placeholder)
+    _tee_vec_end = ABSOLUTE(.);
 
-  .dram.tee.bss (NOLOAD) :
-  {
-    . = ALIGN (8);
-    _tee_dram_start = ABSOLUTE(.);
-    _tee_bss_start = ABSOLUTE(.);
-    *(.bss .bss.*)
-    *(.sbss .sbss.*)
-    . = ALIGN (8);
-    _tee_bss_end = ABSOLUTE(.);
-  } > dram_tee_seg
+    /* Code marked as running out of IRAM */
+    _tee_iram_start = ABSOLUTE(.);
+    *(.iram1 .iram1.*)
+    /* TEE initialization */
+    *libmain.a:esp_tee_init.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_secure_sys_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_pmp_pma_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:brownout.c*(.literal .text .literal.* .text.*)
+    *libmain.a:multi_heap.c*(.literal .text .literal.* .text.*)
+    /* Panic handler */
+    *libmain.a:esp_tee_panic.c*(.literal .text .literal.* .text.*)
+    *libmain.a:panic_helper_riscv.c*(.literal .text .literal.* .text.*)
+    /* Service call execution */
+    *libmain.a:esp_tee_vectors_plic.S*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_dispatcher.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_services_iram.c*(.literal .text .literal.* .text.*)
+    /* Interrupt configuration */
+    *libmain.a:esp_tee_intr.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_intr.c*(.literal .text .literal.* .text.*)
+    /* HAL */
+    *libhal.a:mmu_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:cache_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:wdt_hal_iram.c*(.literal .text .literal.* .text.*)
+    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
+    /* IDF components */
+    *libbootloader_support.a:*(.literal .text .literal.* .text.*)
+    *libesp_hw_support.a:*(.literal .text .literal.* .text.*)
+    *liblog.a:*(.literal .text .literal.* .text.*)
+    *libriscv.a:*(.literal .text .literal.* .text.*)
+    /* TEE services: Secure storage, OTA, attestation */
+    *libtee_flash_mgr.a:*(.literal .text .literal.* .text.*)
+    *libtee_sec_storage.a:*(.literal .text .literal.* .text.*)
+    *libtee_ota_ops.a:*(.literal .text .literal.* .text.*)
+    *libtee_attestation.a:*(.literal .text .literal.* .text.*)
+
+    /* Align the end of code region as per PMP region granularity */
+    ALIGNED_SYMBOL(_esp_pmp_align_size, _tee_iram_end)
+  } > sram_tee_seg
 
   .dram.tee.data :
   {
-    _data_start = ABSOLUTE(.);
+    _tee_dram_start = ABSOLUTE(.);
+    _tee_data_start = ABSOLUTE(.);
     *(.data .data.*)
     *(.sdata .sdata.*)
     *(.dram1 .dram1.*)
-    . = ALIGN(4);
-    _data_end = ABSOLUTE(.);
-   } > dram_tee_seg
+    _tee_data_end = ABSOLUTE(.);
+   } > sram_tee_seg
+
+  .dram.tee.bss (NOLOAD) :
+  {
+    ALIGNED_SYMBOL(8, _tee_bss_start)
+    *(.bss .bss.*)
+    *(.sbss .sbss.*)
+    ALIGNED_SYMBOL(8, _tee_bss_end)
+  } > sram_tee_seg
 
   .dram.tee.rodata :
   {
-    _rodata_start = ABSOLUTE(.);
+    _tee_rodata_start = ABSOLUTE(.);
     /* TEE flash manager */
     *libtee_flash_mgr.a:*(.rodata .srodata .rodata.* .srodata.*)
     *libbootloader_support.a:bootloader_flash.*(.rodata .srodata .rodata.* .srodata.*)
@@ -114,189 +146,69 @@ SECTIONS
     /* HAL (noflash) */
     *libhal.a:mmu_hal.c*(.rodata .srodata .rodata.* .srodata.*)
     *libhal.a:cache_hal.c*(.rodata .srodata .rodata.* .srodata.*)
-    _rodata_end = ABSOLUTE(.);
+    _tee_rodata_end = ABSOLUTE(.);
     _tee_dram_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.heap :
+  .dram.tee.heap (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_heap_start = ABSOLUTE(.);
-    . = ORIGIN(dram_tee_seg) + LENGTH(dram_tee_seg);
+    . = ORIGIN(sram_tee_seg) + LENGTH(sram_tee_seg);
     _tee_heap_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.stack :
+  .dram.tee.stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(stack_tee_seg) + LENGTH(stack_tee_seg);
     _tee_stack = ABSOLUTE(.);
   } > stack_tee_seg
 
-  .dram.tee.intr_stack :
+  .dram.tee.intr_stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_intr_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(intr_stack_tee_seg) + LENGTH(intr_stack_tee_seg);
     _tee_intr_stack = ABSOLUTE(.);
   } > intr_stack_tee_seg
 
-  .flash.rodata :
+
+  .flash.tee.rodata : ALIGN(0x10)
   {
-    _tee_xip_data_start = ABSOLUTE(.);
+    _tee_flash_data_start = ABSOLUTE(.);
     *(.rodata_desc .rodata_desc.*)                /* Should be the first. TEE App version info. DO NOT PUT ANYTHING BEFORE IT! */
     *(.rodata .rodata.*)
     *(.srodata .srodata.*)
     *(.gcc_except_table .gcc_except_table.*)
-    _tee_xip_data_end = ABSOLUTE(.);
-   } > flash_data_seg
+    _tee_flash_data_end = ABSOLUTE(.);
+   } > drom_tee_seg
 
-  .flash.text_dummy (NOLOAD):
+  .flash.tee.text_dummy (NOLOAD):
   {
-    . = ALIGN(ALIGNOF(.flash.rodata));
-    /* Create an empty gap as big as .flash.rodata section */
-    . = . + SIZEOF(.flash.rodata);
-    /* Prepare the alignment of the section above. Few bytes (0x20) must be
-     * added for the mapping header. */
-    . = ALIGN(CONFIG_MMU_PAGE_SIZE) + 0x20;
-  } > flash_text_seg
+    /* Create an empty gap as big as .flash.tee.rodata section */
+    . = ALIGN(ALIGNOF(.flash.tee.rodata)) + SIZEOF(.flash.tee.rodata);
+    /* Add alignment of MMU page size + 0x20 bytes for the mapping header. */
+    . = ALIGN(_esp_mmu_page_size) + 0x20;
+  } > irom_tee_seg
 
-
-/* HAL modules and their memory placement:
- *
- * +-----------+---------------+--------+
- * | Module    | Section       | Memory |
- * +-----------+---------------+--------+
- * | MMU       | text+rodata   | SRAM   |
- * | CACHE     | text+rodata   | SRAM   |
- * | WDT       | text          | SRAM   |
- * | APM       | text          | Flash* |
- * | AES       | text          | Flash  |
- * | SHA       | text          | Flash  |
- * | HMAC      | text          | Flash  |
- * | DS        | text          | Flash  |
- * | ECC       | text          | Flash  |
- * | BROWNOUT  | text          | Flash  |
- * | EFUSE     | text          | Flash  |
- * | LPTIMER   | text          | Flash  |
- * | SPI_FLASH | text          | Flash  |
- * +-----------+---------------+--------+
- *
- * By default, for ESP-TEE, text sections are placed in SRAM while rodata sections go to the flash.
- * Therefore, only HAL modules that require SRAM placement for proper functionality are located there,
- * while the remaining modules are placed in flash memory.
- */
-
-  .flash.text :
+  .flash.tee.text :
   {
-    _tee_xip_text_start = ABSOLUTE(.);
-    /* Secure Services */
-    *libmain.a:esp_secure_services.c*(.literal .text .literal.* .text.*)
-    /* HAL */
-    *libhal.a:aes_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:sha_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:hmac_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ds_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ecc_hal.c*(.literal .text .literal.* .text.*)
-    /* NOTE: There is a possibility of APM violations (SPI1 flash protection)
-     * being triggered with the flash cache disabled */
-#if !CONFIG_SECURE_TEE_EXT_FLASH_MEMPROT_SPI1
-    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
-#endif
-    *libhal.a:brownout_hal.c*(.literal .text .literal.* .text.*)
-    *libesp_hal_mspi.a:spi_flash_hal.c*(.literal .text .literal.* .text.*)
-    /* These HAL modules have functions marked with the IRAM_ATTR attribute which get placed in the SRAM */
-    *libhal.a:efuse_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:lp_timer_hal.c*(.literal .text .literal.* .text.*)
-    /* Mbedtls for TEE */
-    *libmbedtls.a:*(.literal .text .literal.* .text.*)
-    *libmbedcrypto.a:*(.literal .text .literal.* .text.*)
-    /* HMAC-DS layer */
-    *libesp_security.a:*(.literal .text .literal.* .text.*)
-    /* NVS flash and related modules */
-    *libnvs_flash.a:*(.literal .text .literal.* .text.*)
-    *libstdc++.a:*(.literal .text .literal.* .text.*)
-    *libgcc.a:*(.literal .text .literal.* .text.*)
-    /* esp_partition API */
-    *libesp_partition.a:*(.literal .text .literal.* .text.*)
-    /* TEE attestation module */
-    *libattestation.a:*(.literal .text .literal.* .text.*)
-    *json_generator.a:*(.literal .text .literal.* .text.*)
-    /* TEE test module */
-    *libtest_sec_srv.a:*(.literal .text .literal.* .text.*)
-    _tee_xip_text_end = ABSOLUTE(.);
-    _tee_xip_end = ABSOLUTE(.);
-   } > flash_text_seg
-
-  .iram.tee.text :
-  {
-    /* Vectors go to start of IRAM */
-    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
-    _tee_vec_start = ABSOLUTE(.);
-    KEEP(*(.exception_vectors_table.text));
-    KEEP(*(.exception_vectors.text));
-    . = ALIGN(4);
-    _invalid_pc_placeholder = ABSOLUTE(.);
-    _tee_vec_end = ABSOLUTE(.);
-
-    _tee_iram_start = ABSOLUTE(.);
-    *(.literal .text .iram1 .literal.* .text.* .iram1.*)
+    _tee_flash_text_start = ABSOLUTE(.);
+    *(.literal .text .literal.* .text.*)
     *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
-    _tee_iram_end = ABSOLUTE(.);
-  } > iram_tee_seg
+    /**
+     * CPU will try to prefetch up to 16 bytes of of instructions.
+     * This means that any configuration (e.g. MMU, PMS) must allow
+     * safe access to up to 16 bytes after the last real instruction, add
+     * dummy bytes to ensure this
+     */
+    . += _esp_flash_mmap_prefetch_pad_size;
+    _tee_flash_text_end = ABSOLUTE(.);
+   } > irom_tee_seg
 
-  .riscv.attributes 0: { *(.riscv.attributes) }
-
-  /* DWARF 1 */
-  .debug              0 : { *(.debug) }
-  .line               0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo      0 : { *(.debug_srcinfo) }
-  .debug_sfnames      0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges      0 : { *(.debug_aranges) }
-  .debug_pubnames     0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev       0 : { *(.debug_abbrev) }
-  .debug_line         0 : { *(.debug_line) }
-  .debug_frame        0 : { *(.debug_frame) }
-  .debug_str          0 : { *(.debug_str) }
-  .debug_loc          0 : { *(.debug_loc) }
-  .debug_macinfo      0 : { *(.debug_macinfo) }
-  .debug_pubtypes     0 : { *(.debug_pubtypes) }
-  /* DWARF 3 */
-  .debug_ranges       0 : { *(.debug_ranges) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames    0 : { *(.debug_weaknames) }
-  .debug_funcnames    0 : { *(.debug_funcnames) }
-  .debug_typenames    0 : { *(.debug_typenames) }
-  .debug_varnames     0 : { *(.debug_varnames) }
-  /* GNU DWARF 2 extensions */
-  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
-  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
-  /* DWARF 4 */
-  .debug_types        0 : { *(.debug_types) }
-  /* DWARF 5 */
-  .debug_addr         0 : { *(.debug_addr) }
-  .debug_line_str     0 : { *(.debug_line_str) }
-  .debug_loclists     0 : { *(.debug_loclists) }
-  .debug_macro        0 : { *(.debug_macro) }
-  .debug_names        0 : { *(.debug_names) }
-  .debug_rnglists     0 : { *(.debug_rnglists) }
-  .debug_str_offsets  0 : { *(.debug_str_offsets) }
-
-  .comment 0 : { *(.comment) }
-  .note.GNU-stack 0: { *(.note.GNU-stack) }
-
-  /**
-   * Discarding .rela.* sections results in the following mapping:
-   * .rela.text.* -> .text.*
-   * .rela.data.* -> .data.*
-   * And so forth...
-   */
-  /DISCARD/ : { *(.rela.*) }
+#include "elf_misc.ld.in"
 }
 
-ASSERT ((_tee_iram_end < _tee_dram_start), "Error: TEE IRAM segment overflowed into the DRAM segment!");
+ASSERT ((_tee_iram_end <= _tee_dram_start),
+        "Error: TEE IRAM segment overflowed into the DRAM segment! Increase CONFIG_SECURE_TEE_IRAM_SIZE as required.");
+ASSERT((_tee_heap_end >= _tee_heap_start + 0x2000),
+        "Error: TEE heap size is too small - minimum is 8KB (0x2000)! Increase CONFIG_SECURE_TEE_DRAM_SIZE as required.");

components/esp_tee/subproject/main/ld/esp32h2/esp_tee.ld.in

@@ -1,32 +1,29 @@
 /*
- * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #include "sdkconfig.h"
+#include "ld.common"
 
-#define SRAM_IRAM_START            (0x40800000)
-#define SRAM_IRAM_TEE_ORG          (SRAM_IRAM_START)
-#define SRAM_DRAM_TEE_ORG          (SRAM_IRAM_START)
+#define SRAM_TEE_SEG_START         (0x40800000)
+#define SRAM_REE_SEG_START         (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
 
-#define SRAM_IRAM_ORG              (SRAM_IRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
+#define SRAM_TEE_DRAM_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
+#define SRAM_TEE_DRAM_END          (SRAM_TEE_SEG_START + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
-#define SRAM_DRAM_TEE_SIZE         (CONFIG_SECURE_TEE_DRAM_SIZE - CONFIG_SECURE_TEE_STACK_SIZE - CONFIG_SECURE_TEE_INTR_STACK_SIZE)
-#define SRAM_DRAM_TEE_END          (SRAM_DRAM_TEE_ORG + CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
-
-#define I_D_SRAM_TEE_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_DRAM_TEE_SIZE)
+#define SRAM_TEE_SEG_SIZE          (CONFIG_SECURE_TEE_IRAM_SIZE + SRAM_TEE_DRAM_SIZE)
 
 /* TEE interrupt stack is placed at the end of the TEE DRAM segment.
  * The top of the TEE stack is before the end of interrupt stack
  * and the bottom of the stack is at _heap_end.
  */
-#define SRAM_STACK_TEE_ORG         (SRAM_DRAM_TEE_END)
-#define SRAM_INTR_STACK_TEE_ORG    (SRAM_DRAM_TEE_END + CONFIG_SECURE_TEE_STACK_SIZE)
+#define SRAM_TEE_STACK_SEG_START        (SRAM_TEE_DRAM_END)
+#define SRAM_TEE_INTR_STACK_SEG_START   (SRAM_TEE_DRAM_END + CONFIG_SECURE_TEE_STACK_SIZE)
 
-#define FLASH_IROM_TEE_ORG         (0x42000000)
-#define FLASH_DROM_TEE_ORG         (0x42000000)
-#define I_D_FLASH_TEE_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
+#define FLASH_TEE_SEG_START        (0x42000000)
+#define FLASH_TEE_SEG_SIZE         (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
 
 /**
  * These values are the same in every app binary for the same chip target.
@@ -36,9 +33,9 @@
  */
 
 #if CONFIG_ESP_DEBUG_INCLUDE_OCD_STUB_BINS
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x22e0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x22e0 );
 #else
-PROVIDE ( esp_tee_app_config        = SRAM_IRAM_ORG + 0x2e0 );
+PROVIDE ( esp_tee_app_config        = SRAM_REE_SEG_START + 0x2e0 );
 #endif
 
 PROVIDE ( GDMA                      = 0x60080000 );
@@ -48,60 +45,95 @@ ENTRY(esp_tee_init);
 
 MEMORY
 {
-/* IRAM Configuration */
-  iram_tee_seg (RX) :                    org = SRAM_IRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash text section */
+  irom_tee_seg (RX):                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* DRAM Configuration */
-  dram_tee_seg (RW)  :                   org = SRAM_DRAM_TEE_ORG, len = I_D_SRAM_TEE_SIZE
+/* Flash data section */
+  drom_tee_seg (R) :                      org = FLASH_TEE_SEG_START + 0x20, len = FLASH_TEE_SEG_SIZE - 0x20
 
-/* TEE Stack Configuration */
-  stack_tee_seg (RW)  :                  org = SRAM_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_STACK_SIZE
+/* I/DRAM section */
+  sram_tee_seg (RWX) :                    org = SRAM_TEE_SEG_START, len = SRAM_TEE_SEG_SIZE
 
-/* TEE Interrupt Stack Configuration */
-  intr_stack_tee_seg (RW)  :             org = SRAM_INTR_STACK_TEE_ORG, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
+/* Stack section */
+  stack_tee_seg (RW)  :                   org = SRAM_TEE_STACK_SEG_START, len = CONFIG_SECURE_TEE_STACK_SIZE
 
-/* TEE flash data section */
-  flash_data_seg (R) :                   org = FLASH_DROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
-
-/* TEE flash text section */
-  flash_text_seg (RX):                   org = FLASH_IROM_TEE_ORG + 0x20, len = I_D_FLASH_TEE_SIZE - 0x20
+/* Interrupt stack section */
+  intr_stack_tee_seg (RW)  :              org = SRAM_TEE_INTR_STACK_SEG_START, len = CONFIG_SECURE_TEE_INTR_STACK_SIZE
 }
 
 SECTIONS
 {
-  /**
-   * This section is required to skip .iram.tee_text area because iram_tee_seg and
-   * dram_tee_seg reflect the same address space on different buses.
-   */
-  .dram.tee_dummy (NOLOAD):
+  .iram.tee.text :
   {
-    . = ORIGIN(dram_tee_seg) + CONFIG_SECURE_TEE_IRAM_SIZE;
-  } > dram_tee_seg
+    /* Vectors go to start of IRAM */
+    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
+    _tee_vec_start = ABSOLUTE(.);
+    KEEP(*(.exception_vectors_table.text));
+    KEEP(*(.exception_vectors.text));
+    ALIGNED_SYMBOL(4, _invalid_pc_placeholder)
+    _tee_vec_end = ABSOLUTE(.);
 
-  .dram.tee.bss (NOLOAD) :
-  {
-    . = ALIGN (8);
-    _tee_dram_start = ABSOLUTE(.);
-    _tee_bss_start = ABSOLUTE(.);
-    *(.bss .bss.*)
-    *(.sbss .sbss.*)
-    . = ALIGN (8);
-    _tee_bss_end = ABSOLUTE(.);
-  } > dram_tee_seg
+    /* Code marked as running out of IRAM */
+    _tee_iram_start = ABSOLUTE(.);
+    *(.iram1 .iram1.*)
+    /* TEE initialization */
+    *libmain.a:esp_tee_init.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_secure_sys_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_pmp_pma_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_prot_cfg.c*(.literal .text .literal.* .text.*)
+    *libmain.a:brownout.c*(.literal .text .literal.* .text.*)
+    *libmain.a:multi_heap.c*(.literal .text .literal.* .text.*)
+    /* Panic handler */
+    *libmain.a:esp_tee_panic.c*(.literal .text .literal.* .text.*)
+    *libmain.a:panic_helper_riscv.c*(.literal .text .literal.* .text.*)
+    /* Service call execution */
+    *libmain.a:esp_tee_vectors_plic.S*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_dispatcher.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_secure_services_iram.c*(.literal .text .literal.* .text.*)
+    /* Interrupt configuration */
+    *libmain.a:esp_tee_intr.c*(.literal .text .literal.* .text.*)
+    *libmain.a:esp_tee_apm_intr.c*(.literal .text .literal.* .text.*)
+    /* HAL */
+    *libhal.a:mmu_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:cache_hal.c*(.literal .text .literal.* .text.*)
+    *libhal.a:wdt_hal_iram.c*(.literal .text .literal.* .text.*)
+    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
+    /* IDF components */
+    *libbootloader_support.a:*(.literal .text .literal.* .text.*)
+    *libesp_hw_support.a:*(.literal .text .literal.* .text.*)
+    *liblog.a:*(.literal .text .literal.* .text.*)
+    *libriscv.a:*(.literal .text .literal.* .text.*)
+    /* TEE services: Secure storage, OTA, attestation */
+    *libtee_flash_mgr.a:*(.literal .text .literal.* .text.*)
+    *libtee_sec_storage.a:*(.literal .text .literal.* .text.*)
+    *libtee_ota_ops.a:*(.literal .text .literal.* .text.*)
+    *libtee_attestation.a:*(.literal .text .literal.* .text.*)
+
+    /* Align the end of code region as per PMP region granularity */
+    ALIGNED_SYMBOL(_esp_pmp_align_size, _tee_iram_end)
+  } > sram_tee_seg
 
   .dram.tee.data :
   {
-    _data_start = ABSOLUTE(.);
+    _tee_dram_start = ABSOLUTE(.);
+    _tee_data_start = ABSOLUTE(.);
     *(.data .data.*)
     *(.sdata .sdata.*)
     *(.dram1 .dram1.*)
-    . = ALIGN(4);
-    _data_end = ABSOLUTE(.);
-   } > dram_tee_seg
+    _tee_data_end = ABSOLUTE(.);
+   } > sram_tee_seg
+
+  .dram.tee.bss (NOLOAD) :
+  {
+    ALIGNED_SYMBOL(8, _tee_bss_start)
+    *(.bss .bss.*)
+    *(.sbss .sbss.*)
+    ALIGNED_SYMBOL(8, _tee_bss_end)
+  } > sram_tee_seg
 
   .dram.tee.rodata :
   {
-    _rodata_start = ABSOLUTE(.);
+    _tee_rodata_start = ABSOLUTE(.);
     /* TEE flash manager */
     *libtee_flash_mgr.a:*(.rodata .srodata .rodata.* .srodata.*)
     *libbootloader_support.a:bootloader_flash.*(.rodata .srodata .rodata.* .srodata.*)
@@ -114,191 +146,69 @@ SECTIONS
     /* HAL (noflash) */
     *libhal.a:mmu_hal.c*(.rodata .srodata .rodata.* .srodata.*)
     *libhal.a:cache_hal.c*(.rodata .srodata .rodata.* .srodata.*)
-    _rodata_end = ABSOLUTE(.);
+    _tee_rodata_end = ABSOLUTE(.);
     _tee_dram_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.heap :
+  .dram.tee.heap (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_heap_start = ABSOLUTE(.);
-    . = ORIGIN(dram_tee_seg) + LENGTH(dram_tee_seg);
+    . = ORIGIN(sram_tee_seg) + LENGTH(sram_tee_seg);
     _tee_heap_end = ABSOLUTE(.);
-  } > dram_tee_seg
+  } > sram_tee_seg
 
-  .dram.tee.stack :
+  .dram.tee.stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(stack_tee_seg) + LENGTH(stack_tee_seg);
     _tee_stack = ABSOLUTE(.);
   } > stack_tee_seg
 
-  .dram.tee.intr_stack :
+  .dram.tee.intr_stack (NOLOAD): ALIGN(0x10)
   {
-    . = ALIGN (16);
     _tee_intr_stack_bottom = ABSOLUTE(.);
     . = ORIGIN(intr_stack_tee_seg) + LENGTH(intr_stack_tee_seg);
     _tee_intr_stack = ABSOLUTE(.);
   } > intr_stack_tee_seg
 
-  .flash.rodata :
+
+  .flash.tee.rodata : ALIGN(0x10)
   {
-    _tee_xip_data_start = ABSOLUTE(.);
+    _tee_flash_data_start = ABSOLUTE(.);
     *(.rodata_desc .rodata_desc.*)                /* Should be the first. TEE App version info. DO NOT PUT ANYTHING BEFORE IT! */
     *(.rodata .rodata.*)
     *(.srodata .srodata.*)
     *(.gcc_except_table .gcc_except_table.*)
-    _tee_xip_data_end = ABSOLUTE(.);
-   } > flash_data_seg
+    _tee_flash_data_end = ABSOLUTE(.);
+   } > drom_tee_seg
 
-  .flash.text_dummy (NOLOAD):
+  .flash.tee.text_dummy (NOLOAD):
   {
-    . = ALIGN(ALIGNOF(.flash.rodata));
-    /* Create an empty gap as big as .flash.rodata section */
-    . = . + SIZEOF(.flash.rodata);
-    /* Prepare the alignment of the section above. Few bytes (0x20) must be
-     * added for the mapping header. */
-    . = ALIGN(CONFIG_MMU_PAGE_SIZE) + 0x20;
-  } > flash_text_seg
+    /* Create an empty gap as big as .flash.tee.rodata section */
+    . = ALIGN(ALIGNOF(.flash.tee.rodata)) + SIZEOF(.flash.tee.rodata);
+    /* Add alignment of MMU page size + 0x20 bytes for the mapping header. */
+    . = ALIGN(_esp_mmu_page_size) + 0x20;
+  } > irom_tee_seg
 
-
-/* HAL modules and their memory placement:
- *
- * +-----------+---------------+--------+
- * | Module    | Section       | Memory |
- * +-----------+---------------+--------+
- * | MMU       | text+rodata   | SRAM   |
- * | CACHE     | text+rodata   | SRAM   |
- * | WDT       | text          | SRAM   |
- * | APM       | text          | Flash* |
- * | AES       | text          | Flash  |
- * | SHA       | text          | Flash  |
- * | HMAC      | text          | Flash  |
- * | DS        | text          | Flash  |
- * | ECC       | text          | Flash  |
- * | BROWNOUT  | text          | Flash  |
- * | EFUSE     | text          | Flash  |
- * | LPTIMER   | text          | Flash  |
- * | SPI_FLASH | text          | Flash  |
- * +-----------+---------------+--------+
- *
- * By default, for ESP-TEE, text sections are placed in SRAM while rodata sections go to the flash.
- * Therefore, only HAL modules that require SRAM placement for proper functionality are located there,
- * while the remaining modules are placed in flash memory.
- */
-
-  .flash.text :
+  .flash.tee.text :
   {
-    _tee_xip_text_start = ABSOLUTE(.);
-    /* Secure Services */
-    *libmain.a:esp_secure_services.c*(.literal .text .literal.* .text.*)
-    /* HAL */
-    *libhal.a:aes_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:sha_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:hmac_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ds_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:ecc_hal.c*(.literal .text .literal.* .text.*)
-    /* NOTE: There is a possibility of APM violations (SPI1 flash protection)
-     * being triggered with the flash cache disabled */
-#if !CONFIG_SECURE_TEE_EXT_FLASH_MEMPROT_SPI1
-    *libhal.a:apm_hal.c*(.literal .text .literal.* .text.*)
-#endif
-    *libhal.a:brownout_hal.c*(.literal .text .literal.* .text.*)
-    *libesp_hal_mspi.a:spi_flash_hal.c*(.literal .text .literal.* .text.*)
-    /* These HAL modules have functions marked with the IRAM_ATTR attribute which get placed in the SRAM */
-    *libhal.a:efuse_hal.c*(.literal .text .literal.* .text.*)
-    *libhal.a:lp_timer_hal.c*(.literal .text .literal.* .text.*)
-    /* Mbedtls for TEE */
-    *libmbedtls.a:*(.literal .text .literal.* .text.*)
-    *libmbedcrypto.a:*(.literal .text .literal.* .text.*)
-    /* HMAC-DS layer */
-    *libesp_security.a:*(.literal .text .literal.* .text.*)
-    /* NVS flash and related modules */
-    *libnvs_flash.a:*(.literal .text .literal.* .text.*)
-    *libstdc++.a:*(.literal .text .literal.* .text.*)
-    *libgcc.a:*(.literal .text .literal.* .text.*)
-    /* esp_partition API */
-    *libesp_partition.a:*(.literal .text .literal.* .text.*)
-    /* TEE attestation module */
-    *libattestation.a:*(.literal .text .literal.* .text.*)
-    *json_generator.a:*(.literal .text .literal.* .text.*)
-    /* snprintf-related functions */
-    *libc_nano.a:(.literal .text .literal.* .text.*)
-    /* TEE test module */
-    *libtest_sec_srv.a:*(.literal .text .literal.* .text.*)
-    _tee_xip_text_end = ABSOLUTE(.);
-    _tee_xip_end = ABSOLUTE(.);
-   } > flash_text_seg
-
-  .iram.tee.text :
-  {
-    /* Vectors go to start of IRAM */
-    ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
-    _tee_vec_start = ABSOLUTE(.);
-    KEEP(*(.exception_vectors_table.text));
-    KEEP(*(.exception_vectors.text));
-    . = ALIGN(4);
-    _invalid_pc_placeholder = ABSOLUTE(.);
-    _tee_vec_end = ABSOLUTE(.);
-
-    _tee_iram_start = ABSOLUTE(.);
-    *(.literal .text .iram1 .literal.* .text.* .iram1.*)
+    _tee_flash_text_start = ABSOLUTE(.);
+    *(.literal .text .literal.* .text.*)
     *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
-    _tee_iram_end = ABSOLUTE(.);
-  } > iram_tee_seg
+    /**
+     * CPU will try to prefetch up to 16 bytes of of instructions.
+     * This means that any configuration (e.g. MMU, PMS) must allow
+     * safe access to up to 16 bytes after the last real instruction, add
+     * dummy bytes to ensure this
+     */
+    . += _esp_flash_mmap_prefetch_pad_size;
+    _tee_flash_text_end = ABSOLUTE(.);
+   } > irom_tee_seg
 
-  .riscv.attributes 0: { *(.riscv.attributes) }
-
-  /* DWARF 1 */
-  .debug              0 : { *(.debug) }
-  .line               0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo      0 : { *(.debug_srcinfo) }
-  .debug_sfnames      0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges      0 : { *(.debug_aranges) }
-  .debug_pubnames     0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev       0 : { *(.debug_abbrev) }
-  .debug_line         0 : { *(.debug_line) }
-  .debug_frame        0 : { *(.debug_frame) }
-  .debug_str          0 : { *(.debug_str) }
-  .debug_loc          0 : { *(.debug_loc) }
-  .debug_macinfo      0 : { *(.debug_macinfo) }
-  .debug_pubtypes     0 : { *(.debug_pubtypes) }
-  /* DWARF 3 */
-  .debug_ranges       0 : { *(.debug_ranges) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames    0 : { *(.debug_weaknames) }
-  .debug_funcnames    0 : { *(.debug_funcnames) }
-  .debug_typenames    0 : { *(.debug_typenames) }
-  .debug_varnames     0 : { *(.debug_varnames) }
-  /* GNU DWARF 2 extensions */
-  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
-  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
-  /* DWARF 4 */
-  .debug_types        0 : { *(.debug_types) }
-  /* DWARF 5 */
-  .debug_addr         0 : { *(.debug_addr) }
-  .debug_line_str     0 : { *(.debug_line_str) }
-  .debug_loclists     0 : { *(.debug_loclists) }
-  .debug_macro        0 : { *(.debug_macro) }
-  .debug_names        0 : { *(.debug_names) }
-  .debug_rnglists     0 : { *(.debug_rnglists) }
-  .debug_str_offsets  0 : { *(.debug_str_offsets) }
-
-  .comment 0 : { *(.comment) }
-  .note.GNU-stack 0: { *(.note.GNU-stack) }
-
-  /**
-   * Discarding .rela.* sections results in the following mapping:
-   * .rela.text.* -> .text.*
-   * .rela.data.* -> .data.*
-   * And so forth...
-   */
-  /DISCARD/ : { *(.rela.*) }
+#include "elf_misc.ld.in"
 }
 
-ASSERT ((_tee_iram_end < _tee_dram_start), "Error: TEE IRAM segment overflowed into the DRAM segment!");
+ASSERT ((_tee_iram_end <= _tee_dram_start),
+        "Error: TEE IRAM segment overflowed into the DRAM segment! Increase CONFIG_SECURE_TEE_IRAM_SIZE as required.");
+ASSERT((_tee_heap_end >= _tee_heap_start + 0x2000),
+        "Error: TEE heap size is too small - minimum is 8KB (0x2000)! Increase CONFIG_SECURE_TEE_DRAM_SIZE as required.");

components/esp_tee/subproject/main/ld/ld.common

@@ -0,0 +1,32 @@
+#include "sdkconfig.h"
+
+#define ALIGN_UP(SIZE, AL)    (((SIZE) + (AL - 1)) & ~(AL - 1))
+#define ALIGN_DOWN(SIZE, AL)  ((SIZE) & ~((AL) - 1))
+
+/* CPU instruction prefetch padding size for flash mmap scenario */
+#define _esp_flash_mmap_prefetch_pad_size 16
+
+/*
+ * PMP region granularity size
+ * Software may determine the PMP granularity by writing zero to pmp0cfg, then writing all ones
+ * to pmpaddr0, then reading back pmpaddr0. If G is the index of the least-significant bit set,
+ * the PMP granularity is 2^G+2 bytes.
+ */
+#ifdef CONFIG_SOC_CPU_PMP_REGION_GRANULARITY
+#define _esp_pmp_align_size CONFIG_SOC_CPU_PMP_REGION_GRANULARITY
+#else
+#define _esp_pmp_align_size 0
+#endif
+
+#if CONFIG_APP_BUILD_TYPE_RAM
+#define _esp_mmu_page_size 0
+#else
+#define _esp_mmu_page_size CONFIG_MMU_PAGE_SIZE
+#endif
+
+#define ALIGNED_SYMBOL(X, SYMBOL)   . = ALIGN(X); SYMBOL = ABSOLUTE(.);
+
+#define QUOTED_STRING(STRING) #STRING
+#define ASSERT_SECTIONS_GAP(PREV_SECTION, NEXT_SECTION)                   \
+ASSERT((ADDR(NEXT_SECTION) == ADDR(PREV_SECTION) + SIZEOF(PREV_SECTION)), \
+        QUOTED_STRING(The gap between PREV_SECTION and NEXT_SECTION must not exist to produce the final bin image.))

components/esp_tee/subproject/main/soc/esp32c5/esp_tee_pmp_pma_prot_cfg.c

@@ -58,8 +58,10 @@ static void esp_tee_configure_invalid_regions(void)
     assert(IS_PMA_ENTRY_UNLOCKED(13));
     assert(IS_PMA_ENTRY_UNLOCKED(14));
     assert(IS_PMA_ENTRY_UNLOCKED(15));
+
+    extern int _tee_iram_end;
     PMA_RESET_AND_ENTRY_SET_TOR(13, SOC_S_IRAM_START, PMA_NONE);
-    PMA_RESET_AND_ENTRY_SET_TOR(14, SOC_S_IRAM_END, PMA_TOR | PMA_RX);
+    PMA_RESET_AND_ENTRY_SET_TOR(14, (int)&_tee_iram_end, PMA_TOR | PMA_RX);
     PMA_RESET_AND_ENTRY_SET_TOR(15, SOC_S_DRAM_END, PMA_TOR | PMA_RW);
 }
 

components/esp_tee/subproject/main/soc/esp32c6/esp_tee_pmp_pma_prot_cfg.c

@@ -66,8 +66,10 @@ static void esp_tee_configure_invalid_regions(void)
     assert(IS_PMA_ENTRY_UNLOCKED(13));
     assert(IS_PMA_ENTRY_UNLOCKED(14));
     assert(IS_PMA_ENTRY_UNLOCKED(15));
+
+    extern int _tee_iram_end;
     PMA_RESET_AND_ENTRY_SET_TOR(13, SOC_S_IRAM_START, PMA_NONE);
-    PMA_RESET_AND_ENTRY_SET_TOR(14, SOC_S_IRAM_END, PMA_TOR | PMA_RX);
+    PMA_RESET_AND_ENTRY_SET_TOR(14, (int)&_tee_iram_end, PMA_TOR | PMA_RX);
     PMA_RESET_AND_ENTRY_SET_TOR(15, SOC_S_DRAM_END, PMA_TOR | PMA_RW);
 }
 

components/esp_tee/subproject/main/soc/esp32h2/esp_tee_pmp_pma_prot_cfg.c

@@ -68,8 +68,10 @@ static void esp_tee_configure_invalid_regions(void)
     assert(IS_PMA_ENTRY_UNLOCKED(13));
     assert(IS_PMA_ENTRY_UNLOCKED(14));
     assert(IS_PMA_ENTRY_UNLOCKED(15));
+
+    extern int _tee_iram_end;
     PMA_RESET_AND_ENTRY_SET_TOR(13, SOC_S_IRAM_START, PMA_NONE);
-    PMA_RESET_AND_ENTRY_SET_TOR(14, SOC_S_IRAM_END, PMA_TOR | PMA_RX);
+    PMA_RESET_AND_ENTRY_SET_TOR(14, (int)&_tee_iram_end, PMA_TOR | PMA_RX);
     PMA_RESET_AND_ENTRY_SET_TOR(15, SOC_S_DRAM_END, PMA_TOR | PMA_RW);
 }
 

components/esp_tee/test_apps/tee_cli_app/sdkconfig.ci.minimal_tee

@@ -2,11 +2,14 @@
 CONFIG_SECURE_TEE_SEC_STG_MODE_RELEASE=y
 CONFIG_SECURE_TEE_SEC_STG_EFUSE_HMAC_KEY_ID=5
 
-# Reducing TEE DRAM and STACK sizes
-# 21KB
-CONFIG_SECURE_TEE_DRAM_SIZE=0x5400
-# 2.5KB
-CONFIG_SECURE_TEE_STACK_SIZE=0xa00
+# Reducing TEE I/DRAM sizes
+# 24KB
+CONFIG_SECURE_TEE_IRAM_SIZE=0x6000
+# 12KB
+CONFIG_SECURE_TEE_DRAM_SIZE=0x3000
+
+# Disable TEE logs (also disable all panic logs)
+CONFIG_SECURE_TEE_DEBUG_MODE=n
 
 # Disabling ATTESTATION
 CONFIG_SECURE_TEE_ATTESTATION=n

components/esp_tee/test_apps/tee_cli_app/sdkconfig.ci.release

@@ -0,0 +1,21 @@
+# Reducing TEE I/DRAM sizes
+# 28KB
+CONFIG_SECURE_TEE_IRAM_SIZE=0x7000
+# 16KB
+CONFIG_SECURE_TEE_DRAM_SIZE=0x4000
+
+# TEE Secure Storage: Release mode
+CONFIG_SECURE_TEE_SEC_STG_MODE_RELEASE=y
+CONFIG_SECURE_TEE_SEC_STG_EFUSE_HMAC_KEY_ID=5
+
+# Disabling support for SECP192R1 signature
+CONFIG_SECURE_TEE_SEC_STG_SUPPORT_SECP192R1_SIGN=n
+
+# Disabling flash protection over SPI1
+CONFIG_SECURE_TEE_EXT_FLASH_MEMPROT_SPI1=n
+
+# Secure Boot
+CONFIG_PARTITION_TABLE_OFFSET=0xf000
+CONFIG_SECURE_BOOT=y
+CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES=y
+CONFIG_SECURE_BOOT_SIGNING_KEY="test_keys/secure_boot_signing_key.pem"