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feat(cpu_region_protect): Enable basic memory protection for SPIRAM

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harshal.patil
2025-05-05 11:52:04 +05:30
parent f77e96e7c6
commit 9406fde68d
21 changed files with 474 additions and 48 deletions
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components/esp_system/ld/esp32c5/sections.ld.in
+11
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@@ -280,6 +280,11 @@ SECTIONS
*/
. += _esp_flash_mmap_prefetch_pad_size;
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS && CONFIG_SPIRAM_PRE_CONFIGURE_MEMORY_PROTECTION
/* Align the end of flash text region as per PMP granularity as PSRAM memory protection is enabled */
. = ALIGN(_esp_pmp_align_size);
#endif // CONFIG_SPIRAM_FETCH_INSTRUCTIONS && CONFIG_SPIRAM_PRE_CONFIGURE_MEMORY_PROTECTION
_text_end = ABSOLUTE(.);
/**
* Mark the flash.text end.
@@ -461,6 +466,12 @@ SECTIONS
*(.tdata .tdata.* .gnu.linkonce.td.*)
. = ALIGN(ALIGNOF(.flash.tbss));
#if CONFIG_SPIRAM_RODATA && CONFIG_SPIRAM_PRE_CONFIGURE_MEMORY_PROTECTION
/* Align the end of flash rodata region as per PMP granularity as PSRAM memory protection is enabled */
. = ALIGN(_esp_pmp_align_size);
#endif // CONFIG_SPIRAM_RODATA && CONFIG_SPIRAM_PRE_CONFIGURE_MEMORY_PROTECTION
_thread_local_data_end = ABSOLUTE(.);
} > default_rodata_seg
ASSERT_SECTIONS_GAP(.flash.tdata, .flash.tbss)