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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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components/bootloader/subproject/main/ld/esp32c2/bootloader.ld
+30 -13
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@@ -209,17 +209,34 @@ SECTIONS
/**
* Appendix: Memory Usage of ROM bootloader
*
* +--------+--------------+------+ 0x3FCC_B0B0
* | ^ |
* | | |
* | | data/bss |
* | | |
* | v |
* +------------------------------+ 0x3FCD_C9C0
* | ^ |
* | | |
* | | stack |
* | | |
* | v |
* +------------------------------+ 0x3FCD_E9C0
* 0x3fccb264 ------------------> _dram0_0_start
* | |
* | |
* | | 1. Large buffers that are only used in certain boot modes, see shared_buffers.h
* | |
* | |
* 0x3fcdcb70 ------------------> __stack_sentry
* | |
* | | 2. Startup pro cpu stack (freed when IDF app is running)
* | |
* 0x3fcdeb70 ------------------> __stack (pro cpu)
* | |
* | |
* | | 3. Shared memory only used in startup code or nonos/early boot*
* | | (can be freed when IDF runs)
* | |
* | |
* 0x3fcdf4bc ------------------> _dram0_rtos_reserved_start
* | |
* | |
* | | 4. Shared memory used in startup code and when IDF runs
* | |
* | |
* 0x3fcdfa70 ------------------> _dram0_rtos_reserved_end
* | |
* 0x3fcdfa74 ------------------> _data_start_interface
* | |
* | | 5. End of DRAM is the 'interface' data with constant addresses (ECO compatible)
* | |
* 0x3fce0000 ------------------> _data_end_interface
*/