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feat(psram): add psram noinit segment support on S2/S3/P4/C5

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Closes https://github.com/espressif/esp-idf/issues/14253
This commit is contained in:
Chen Jichang
2024-09-03 11:50:40 +08:00
parent 87c9fb8d40
commit 9e3fca8d71
16 changed files with 98 additions and 24 deletions
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17
components/esp_system/ld/esp32s3/sections.ld.in
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@@ -439,6 +439,7 @@ SECTIONS
. = ALIGN (0x10000);
} > extern_ram_seg
#if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
/* This section holds .ext_ram.bss data, and will be put in PSRAM */
.ext_ram.bss (NOLOAD) :
{
@@ -448,6 +449,22 @@ SECTIONS
ALIGNED_SYMBOL(4, _ext_ram_bss_end)
} > extern_ram_seg
#endif //CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
#if CONFIG_SPIRAM_ALLOW_NOINIT_SEG_EXTERNAL_MEMORY
/**
* This section holds data that won't be initialised when startup.
* This section locates in External RAM region.
*/
.ext_ram_noinit (NOLOAD) :
{
_ext_ram_noinit_start = ABSOLUTE(.);
*(.ext_ram_noinit*)
ALIGNED_SYMBOL(4, _ext_ram_noinit_end)
} > extern_ram_seg
#endif //CONFIG_SPIRAM_ALLOW_NOINIT_SEG_EXTERNAL_MEMORY
/* Marks the end of IRAM code segment */
.iram0.text_end (NOLOAD) :