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Add ESP32-S3 support (#5091)
* feat: add initial support for ESP32-S3 (#3442) * feat: add initial support for esp32-s3 * esp32s3: fix merge errors * esp32s3: Fix Watchdog registers bad names * esp32s3: fix linker relocation errors and support for ESP binary * esp32s3: fix memory section overlap * esp32s3: correct clock frequencies * esp32s3: more stable cpu * esp32s3: enable basic gpio support * esp32s3: simplify loading and check extensions * esp32s3: synchronize cpu features with clang * esp32s3: correct iram origin --------- Co-authored-by: Denys Vitali <denys@denv.it> Co-authored-by: Olivier Fauchon <ofauchon2204@gmail.com>
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cjpeterson
GitHub
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/* Linker script for the ESP32-S3 */
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MEMORY
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{
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/* Note: DRAM and IRAM below are actually in the same 416K address space. */
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DRAM (rw) : ORIGIN = 0x3FC88000, LENGTH = 416K /* Internal SRAM 1 (data bus) */
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IRAM (x) : ORIGIN = 0x40370000, LENGTH = 416K /* Internal SRAM 1 (instruction bus) */
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/* Note: DROM and IROM below are actually in the same 32M address space. */
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DROM (r) : ORIGIN = 0x3C000000, LENGTH = 32M /* Data bus (read-only) */
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IROM (rx) : ORIGIN = 0x42000000, LENGTH = 32M /* Instruction bus */
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}
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/* The entry point. It is set in the image flashed to the chip, so must be
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* defined.
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*/
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ENTRY(call_start_cpu0)
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SECTIONS
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{
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/* Put the stack at the bottom of DRAM, so that the application will
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* crash on stack overflow instead of silently corrupting memory.
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* See: http://blog.japaric.io/stack-overflow-protection/ */
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.stack (NOLOAD) :
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{
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. = ALIGN(16);
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. += _stack_size;
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_stack_top = .;
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} >DRAM
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/* Constant literals and code. Loaded into IRAM for now. Eventually, most
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* code should be executed directly from flash.
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* Note that literals must be before code for the l32r instruction to work.
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*/
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.text.call_start_cpu0 : ALIGN(4)
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{
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*(.literal.call_start_cpu0)
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*(.text.call_start_cpu0)
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} >IRAM AT >DRAM
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/* All other code and literals */
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.text : ALIGN(4)
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{
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*(.literal .text)
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*(.literal.* .text.*)
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*(.text)
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*(.text.*)
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} >IRAM AT >DRAM
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/* Constant global variables.
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* They are loaded in DRAM for ease of use. Eventually they should be stored
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* in flash and loaded directly from there but they're kept in RAM to make
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* sure they can always be accessed (even in interrupts).
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*/
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.rodata : ALIGN(4)
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{
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*(.rodata)
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*(.rodata.*)
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} >DRAM
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/* Mutable global variables.
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*/
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.data : ALIGN(4)
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{
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_sdata = ABSOLUTE(.);
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*(.data)
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*(.data.*)
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_edata = ABSOLUTE(.);
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} >DRAM
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/* Check that the boot ROM stack (for the APP CPU) does not overlap with the
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* data that is loaded by the boot ROM. There may be ways to avoid this
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* issue if it occurs in practice.
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* The magic value here is _stack_sentry in the boot ROM ELF file.
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*/
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ASSERT(_edata < 0x3ffe1320, "the .data section overlaps with the stack used by the boot ROM, possibly causing corruption at startup")
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/* Global variables that are mutable and zero-initialized.
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* These must be zeroed at startup (unlike data, which is loaded by the
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* bootloader).
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*/
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.bss (NOLOAD) : ALIGN(4)
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{
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. = ALIGN (4);
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_sbss = ABSOLUTE(.);
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*(.bss)
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*(.bss.*)
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. = ALIGN (4);
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_ebss = ABSOLUTE(.);
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} >DRAM
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}
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/* For the garbage collector.
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*/
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_globals_start = _sdata;
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_globals_end = _ebss;
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_heap_start = _ebss;
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_heap_end = ORIGIN(DRAM) + LENGTH(DRAM);
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_stack_size = 4K;
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/* From ESP-IDF:
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* components/esp_rom/esp32/ld/esp32.rom.newlib-funcs.ld
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* This is the subset that is sometimes used by LLVM during codegen, and thus
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* must always be present.
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*/
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memset = 0x400011e8;
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memcpy = 0x400011f4;
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memmove = 0x40001200;
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memcmp = 0x4000120c;
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/* From ESP-IDF:
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* components/esp_rom/esp32/ld/esp32.rom.libgcc.ld
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* These are called from LLVM during codegen. The original license is Apache
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* 2.0, but I believe that a list of function names and addresses can't really
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* be copyrighted.
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*/
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__absvdi2 = 0x4000216c;
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__absvsi2 = 0x40002178;
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__adddf3 = 0x40002184;
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__addsf3 = 0x40002190;
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__addvdi3 = 0x4000219c;
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__addvsi3 = 0x400021a8;
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__ashldi3 = 0x400021b4;
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__ashrdi3 = 0x400021c0;
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__bswapdi2 = 0x400021cc;
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__bswapsi2 = 0x400021d8;
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__clear_cache = 0x400021e4;
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__clrsbdi2 = 0x400021f0;
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__clrsbsi2 = 0x400021fc;
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__clzdi2 = 0x40002208;
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__clzsi2 = 0x40002214;
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__cmpdi2 = 0x40002220;
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__ctzdi2 = 0x4000222c;
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__ctzsi2 = 0x40002238;
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__divdc3 = 0x40002244;
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__divdf3 = 0x40002250;
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__divdi3 = 0x4000225c;
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__divsc3 = 0x40002268;
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__divsf3 = 0x40002274;
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__divsi3 = 0x40002280;
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__eqdf2 = 0x4000228c;
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__eqsf2 = 0x40002298;
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__extendsfdf2 = 0x400022a4;
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__ffsdi2 = 0x400022b0;
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__ffssi2 = 0x400022bc;
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__fixdfdi = 0x400022c8;
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__fixdfsi = 0x400022d4;
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__fixsfdi = 0x400022e0;
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__fixsfsi = 0x400022ec;
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__fixunsdfsi = 0x400022f8;
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__fixunssfdi = 0x40002304;
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__fixunssfsi = 0x40002310;
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__floatdidf = 0x4000231c;
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__floatdisf = 0x40002328;
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__floatsidf = 0x40002334;
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__floatsisf = 0x40002340;
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__floatundidf = 0x4000234c;
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__floatundisf = 0x40002358;
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__floatunsidf = 0x40002364;
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__floatunsisf = 0x40002370;
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__gcc_bcmp = 0x4000237c;
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__gedf2 = 0x40002388;
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__gesf2 = 0x40002394;
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__gtdf2 = 0x400023a0;
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__gtsf2 = 0x400023ac;
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__ledf2 = 0x400023b8;
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__lesf2 = 0x400023c4;
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__lshrdi3 = 0x400023d0;
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__ltdf2 = 0x400023dc;
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__ltsf2 = 0x400023e8;
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__moddi3 = 0x400023f4;
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__modsi3 = 0x40002400;
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__muldc3 = 0x4000240c;
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__muldf3 = 0x40002418;
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__muldi3 = 0x40002424;
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__mulsc3 = 0x40002430;
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__mulsf3 = 0x4000243c;
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__mulsi3 = 0x40002448;
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__mulvdi3 = 0x40002454;
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__mulvsi3 = 0x40002460;
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__nedf2 = 0x4000246c;
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__negdf2 = 0x40002478;
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__negdi2 = 0x40002484;
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__negsf2 = 0x40002490;
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__negvdi2 = 0x4000249c;
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__negvsi2 = 0x400024a8;
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__nesf2 = 0x400024b4;
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__paritysi2 = 0x400024c0;
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__popcountdi2 = 0x400024cc;
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__popcountsi2 = 0x400024d8;
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__powidf2 = 0x400024e4;
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__powisf2 = 0x400024f0;
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__subdf3 = 0x400024fc;
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__subsf3 = 0x40002508;
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__subvdi3 = 0x40002514;
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__subvsi3 = 0x40002520;
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__truncdfsf2 = 0x4000252c;
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__ucmpdi2 = 0x40002538;
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__udivdi3 = 0x40002544;
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__udivmoddi4 = 0x40002550;
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__udivsi3 = 0x4000255c;
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__udiv_w_sdiv = 0x40002568;
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__umoddi3 = 0x40002574;
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__umodsi3 = 0x40002580;
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__unorddf2 = 0x4000258c;
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__unordsf2 = 0x40002598;
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