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update bootloader.ld rom_boot ram usage info

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wuzhenghui
2022-07-05 14:35:48 +08:00
parent 31183270fb
commit 2ad49a9be5
4 changed files with 129 additions and 39 deletions
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43
components/bootloader/subproject/main/ld/esp32c3/bootloader.ld
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@@ -210,17 +210,34 @@ SECTIONS
/**
* Appendix: Memory Usage of ROM bootloader
*
* +--------+--------------+------+ 0x3FCC_AE00
* | ^ |
* | | |
* | | data/bss |
* | | |
* | v |
* +------------------------------+ 0x3FCD_C710
* | ^ |
* | | |
* | | stack |
* | | |
* | v |
* +------------------------------+ 0x3FCD_E710
* 0x3fccae00 ------------------> _dram0_0_start
* | |
* | |
* | | 1. Large buffers that are only used in certain boot modes, see shared_buffers.h
* | |
* | |
* 0x3fcdc710 ------------------> __stack_sentry
* | |
* | | 2. Startup pro cpu stack (freed when IDF app is running)
* | |
* 0x3fcde710 ------------------> __stack (pro cpu)
* | |
* | |
* | | 3. Shared memory only used in startup code or nonos/early boot*
* | | (can be freed when IDF runs)
* | |
* | |
* 0x3fcdf060 ------------------> _dram0_rtos_reserved_start
* | |
* | |
* | | 4. Shared memory used in startup code and when IDF runs
* | |
* | |
* 0x3fcdf664 ------------------> _dram0_rtos_reserved_end
* | |
* 0x3fcdf830 ------------------> _data_start_interface
* | |
* | | 5. End of DRAM is the 'interface' data with constant addresses (ECO compatible)
* | |
* 0x3fce0000 ------------------> _data_end_interface
*/