esp-hal/esp32c2-hal/ld/db-esp32c2-memory.x

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MEMORY
{
/*
https://github.com/espressif/esptool/blob/10828527038d143e049790d330ac4de76ce987d6/esptool/targets/esp32c2.py#L53-L62
MEMORY_MAP = [[0x00000000, 0x00010000, "PADDING"],
[0x3C000000, 0x3C400000, "DROM"],
[0x3FCA0000, 0x3FCE0000, "DRAM"],
[0x3FC88000, 0x3FD00000, "BYTE_ACCESSIBLE"],
[0x3FF00000, 0x3FF50000, "DROM_MASK"],
[0x40000000, 0x40090000, "IROM_MASK"],
[0x42000000, 0x42400000, "IROM"],
[0x4037C000, 0x403C0000, "IRAM"]]
*/
/* 272K of on soc RAM, 16K reserved for cache */
ICACHE : ORIGIN = 0x4037C000, LENGTH = 16K
/* Instruction RAM */
IRAM : ORIGIN = 0x4037C000 + 16K, LENGTH = 272K - 16K
/* Data RAM */
DRAM : ORIGIN = 0x3FCA0000, LENGTH = 0x30000
/* External flash */
/* Instruction ROM */
IROM : ORIGIN = 0x42000000, LENGTH = 0x200000
/* Data ROM */
DROM : ORIGIN = 0x3C000000, LENGTH = 0x200000
}
REGION_ALIAS("REGION_TEXT", IROM);
REGION_ALIAS("REGION_RODATA", DROM);
REGION_ALIAS("REGION_DATA", DRAM);
REGION_ALIAS("REGION_BSS", DRAM);
REGION_ALIAS("REGION_HEAP", DRAM);
REGION_ALIAS("REGION_STACK", DRAM);
REGION_ALIAS("REGION_RWTEXT", IRAM);