fix rtc attr for esp32c2

components/esp_common/include/esp_attr.h

@@ -12,6 +12,7 @@ extern "C" {
 #endif
 
 #include "sdkconfig.h"
+#include "soc/soc_caps.h"
 
 #define ROMFN_ATTR
 
@@ -61,9 +62,51 @@ extern "C" {
 // Use as esp_rom_printf(DRAM_STR("Hello world!\n"));
 #define DRAM_STR(str) (__extension__({static const DRAM_ATTR char __c[] = (str); (const char *)&__c;}))
 
+#if SOC_RTC_FAST_MEM_SUPPORTED
 // Forces code into RTC fast memory. See "docs/deep-sleep-stub.rst"
 #define RTC_IRAM_ATTR _SECTION_ATTR_IMPL(".rtc.text", __COUNTER__)
 
+// Allows to place data into RTC_FAST memory.
+#define RTC_FAST_ATTR _SECTION_ATTR_IMPL(".rtc.force_fast", __COUNTER__)
+
+// Allows to place data into RTC_FAST memory and map it to coredump
+#define COREDUMP_RTC_FAST_ATTR _SECTION_ATTR_IMPL(".rtc.fast.coredump", __COUNTER__)
+#else
+#define RTC_IRAM_ATTR
+#define RTC_FAST_ATTR
+#define COREDUMP_RTC_FAST_ATTR
+#endif
+
+#if SOC_RTC_SLOW_MEM_SUPPORTED
+// Forces data into RTC slow memory. See "docs/deep-sleep-stub.rst"
+// Any variable marked with this attribute will keep its value
+// during a deep sleep / wake cycle.
+#define RTC_DATA_ATTR _SECTION_ATTR_IMPL(".rtc.data", __COUNTER__)
+
+// Allows to place data into RTC_SLOW memory.
+#define RTC_SLOW_ATTR _SECTION_ATTR_IMPL(".rtc.force_slow", __COUNTER__)
+
+// Forces data into RTC slow memory of .noinit section.
+// Any variable marked with this attribute will keep its value
+// after restart or during a deep sleep / wake cycle.
+#define RTC_NOINIT_ATTR  _SECTION_ATTR_IMPL(".rtc_noinit", __COUNTER__)
+#else
+#define RTC_DATA_ATTR
+#define RTC_SLOW_ATTR
+#define RTC_NOINIT_ATTR
+#endif
+
+#if SOC_RTC_FAST_MEM_SUPPORTED || SOC_RTC_SLOW_MEM_SUPPORTED
+// Forces read-only data into RTC memory. See "docs/deep-sleep-stub.rst"
+#define RTC_RODATA_ATTR _SECTION_ATTR_IMPL(".rtc.rodata", __COUNTER__)
+
+// Forces data into RTC memory and map it to coredump
+#define COREDUMP_RTC_DATA_ATTR _SECTION_ATTR_IMPL(".rtc.coredump", __COUNTER__)
+#else
+#define RTC_RODATA_ATTR
+#define COREDUMP_RTC_DATA_ATTR
+#endif
+
 #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
 // Forces bss variable into external memory. "
 #define EXT_RAM_BSS_ATTR _SECTION_ATTR_IMPL(".ext_ram.bss", __COUNTER__)
@@ -81,20 +124,6 @@ extern "C" {
 #define EXT_RAM_ATTR _Pragma ("GCC warning \"'EXT_RAM_ATTR' macro is deprecated, please use `EXT_RAM_BSS_ATTR`\"")
 #endif
 
-// Forces data into RTC slow memory. See "docs/deep-sleep-stub.rst"
-// Any variable marked with this attribute will keep its value
-// during a deep sleep / wake cycle.
-#define RTC_DATA_ATTR _SECTION_ATTR_IMPL(".rtc.data", __COUNTER__)
-
-// Forces read-only data into RTC memory. See "docs/deep-sleep-stub.rst"
-#define RTC_RODATA_ATTR _SECTION_ATTR_IMPL(".rtc.rodata", __COUNTER__)
-
-// Allows to place data into RTC_SLOW memory.
-#define RTC_SLOW_ATTR _SECTION_ATTR_IMPL(".rtc.force_slow", __COUNTER__)
-
-// Allows to place data into RTC_FAST memory.
-#define RTC_FAST_ATTR _SECTION_ATTR_IMPL(".rtc.force_fast", __COUNTER__)
-
 // Forces data into noinit section to avoid initialization after restart.
 #define __NOINIT_ATTR _SECTION_ATTR_IMPL(".noinit", __COUNTER__)
 
@@ -106,22 +135,11 @@ extern "C" {
 #define EXT_RAM_NOINIT_ATTR __NOINIT_ATTR
 #endif
 
-// Forces data into RTC slow memory of .noinit section.
-// Any variable marked with this attribute will keep its value
-// after restart or during a deep sleep / wake cycle.
-#define RTC_NOINIT_ATTR  _SECTION_ATTR_IMPL(".rtc_noinit", __COUNTER__)
-
 // Forces code into DRAM instead of flash and map it to coredump
 // Use dram2 instead of dram1 to make sure this section will not be included
 // by dram1 section in the linker script
 #define COREDUMP_DRAM_ATTR _SECTION_ATTR_IMPL(".dram2.coredump", __COUNTER__)
 
-// Forces data into RTC memory and map it to coredump
-#define COREDUMP_RTC_DATA_ATTR _SECTION_ATTR_IMPL(".rtc.coredump", __COUNTER__)
-
-// Allows to place data into RTC_FAST memory and map it to coredump
-#define COREDUMP_RTC_FAST_ATTR _SECTION_ATTR_IMPL(".rtc.fast.coredump", __COUNTER__)
-
 // Forces to not inline function
 #define NOINLINE_ATTR __attribute__((noinline))