doc: Update changlog.rst and app.rst about cpuinfo app changes

Signed-off-by: Jiandong Qiu <qiujiandong@nucleisys.com>

Author: qiujiandong

doc/source/changelog.rst

@@ -54,6 +54,7 @@ This is release version of ``0.9.0`` of Nuclei SDK, which is still under develop
   - Add missing FCSR(Floating-Point Control and Status Register) save/restore functionality to FPU context handling macros ``SAVE_FPU_CONTEXT`` and ``RESTORE_FPU_CONTEXT`` in ``core_feature_fpu.h``
   - Add ``i_share_dlm`` bit field to ``CSR_MICFGINFO_Type`` structure in ``core_feature_base.h`` and display this information in the cpuinfo application.
   - Sync NMSIS 1.5.0 Core/DSP/NN header files, ``build.mk``, ``npk.yml`` and prebuilt DSP and NN libraries; for changes related to DSP/NN libraries, please refer to the NMSIS changelog.
+  - Update ``IINFO_Type`` in ``core_feature_iinfo.h``. Add ``mpfctl``, ``etrace_info``, precise ECC and mem_crc related registers.
 
 * Application
 
@@ -93,6 +94,7 @@ This is release version of ``0.9.0`` of Nuclei SDK, which is still under develop
   - Fix documentation to correctly state that Nuclei Studio IDE supports both GCC and LLVM/Clang gcov format coverage visualization
   - Remove ``nuclei_cache`` npk configuration from ``demo_cache``, ``demo_cidu``, ``demo_ecc``, ``demo_pma``, ``demo_smpcc``, and ``smphello`` applications ``npk.yml`` since it is now deprecated
   - Add ``get_cpu_feature`` in ``cpuinfo`` to list CPU features for the future hardware ci testing.
+  - Add register type definitions of ``mpfctl``, ``etrace_info``, precise ECC related registers and show these information in ``cpuinfo``
 
 * Build System
 

doc/source/design/app.rst

@@ -147,7 +147,7 @@ You can also use openocd to probe the cpu feature, see https://doc.nucleisys.com
 
 .. code-block:: console
 
-    Nuclei SDK Build Time: Sep 23 2025, 09:41:30
+    Nuclei SDK Build Time: Mar 20 2026, 12:41:32
     Download Mode: SRAM
     CPU Frequency 50327388 Hz
     CPU HartID: 0
@@ -233,6 +233,13 @@ You can also use openocd to probe the cpu feature, see https://doc.nucleisys.com
                           agu_quick_forward=1
                           cau_fwd=0
                           hpm_ver=2
+                      sec_cfg: absent
+                      mpftctl:
+                          mpflvl=0
+                          mpfena=0
+                      etrace_info: present
+                          version=2.0
+                          data_trace=1
                       misc:
                           ws_tmout_max=767
                           nc_tmout_max=0
@@ -241,6 +248,10 @@ You can also use openocd to probe the cpu feature, see https://doc.nucleisys.com
                           pf_access=0
                           cache_csr_access=0
                           pma_csr_access=0
+                          ecc_inj_addr=0x0
+                          inject_way=0
+                          security_mode=0
+                          precise_ecc_inject=0
     -----End of Nuclei CPU INFO-----
 
 .. _design_app_demo_timer: