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esp32s2: Add USE_FIXED_STATIC_RAM_SIZE feature

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This feature exists on ESP32 and missed for ESP32S2. This commit adds it for esp32s2 as well.

Closes: IDF-1800
This commit is contained in:
KonstantinKondrashov
2020-06-03 02:17:28 +08:00
parent d1bf7a8743
commit 96b3ab708a
3 changed files with 36 additions and 3 deletions
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18
components/esp32s2/ld/esp32s2.ld
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@@ -44,6 +44,17 @@
#define I_D_RAM_SIZE DATA_RAM_END - DRAM_ORG
#if defined(CONFIG_ESP32S2_USE_FIXED_STATIC_RAM_SIZE)
ASSERT((CONFIG_ESP32S2_FIXED_STATIC_RAM_SIZE <= I_D_RAM_SIZE),
"Fixed static ram data does not fit.")
#define STATIC_RAM_SIZE CONFIG_ESP32S2_FIXED_STATIC_RAM_SIZE
#else
#define STATIC_RAM_SIZE 0
#endif
MEMORY
{
/* All these values assume the flash cache is on, and have the blocks this uses subtracted from the length
@@ -69,7 +80,7 @@ MEMORY
/* Shared data RAM, excluding memory reserved for bootloader and ROM bss/data/stack. */
dram0_0_seg (RW) : org = DRAM_ORG, len = I_D_RAM_SIZE
dram0_0_seg (RW) : org = DRAM_ORG, len = I_D_RAM_SIZE - STATIC_RAM_SIZE
#ifdef CONFIG_APP_BUILD_USE_FLASH_SECTIONS
/* Flash mapped constant data */
@@ -93,7 +104,12 @@ MEMORY
rtc_data_seg(RW) : org = 0x3ff9e000, len = 0x2000 - ESP_BOOTLOADER_RESERVE_RTC
}
#if defined(CONFIG_ESP32S2_USE_FIXED_STATIC_RAM_SIZE)
/* static data ends at defined address */
_static_data_end = DRAM_ORG + STATIC_RAM_SIZE;
#else
_static_data_end = _bss_end;
#endif
_heap_end = 0x40000000;