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Enabled using the pico_use_partition_firmware(exe_name) cmake function
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| import sys | ||
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| with open(sys.argv[1], "r") as f: | ||
| data = f.read() | ||
| lines = data.split(";") | ||
| for line in lines[1].split("\n"): | ||
| if "#define CYW43_WIFI_FW_LEN" in line: | ||
| cyw43_wifi_fw_len = int(line.split(")")[0].split("(")[-1]) | ||
| if "#define CYW43_CLM_LEN" in line: | ||
| cyw43_clm_len = int(line.split(")")[0].split("(")[-1]) | ||
| data = lines[0] | ||
| bits = data.split(",") | ||
| bits[0] = bits[0].split("{")[-1] | ||
| bits[-1] = bits[-1].split("}")[0] | ||
| for i in range(len(bits)): | ||
| bits[i] = bits[i].strip() | ||
| bits[i] = bits[i].strip(',') | ||
| bits[i] = int(bits[i], base=0) | ||
| print(f"Start {bits[4]}, end {bits[-1]}, num {len(bits)}") | ||
| print(bits[:10]) | ||
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| print(f"Wifi {cyw43_wifi_fw_len}, clm {cyw43_clm_len}") | ||
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| data = ( | ||
| cyw43_wifi_fw_len.to_bytes(4, 'little', signed=True) + | ||
| cyw43_clm_len.to_bytes(4, 'little', signed=True) + | ||
| bytearray(bits) | ||
| ) | ||
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| with open(sys.argv[2], "w") as f: | ||
| for b in data: | ||
| f.write(f".byte 0x{b:02x}\n") |
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10 changes: 10 additions & 0 deletions
10
src/rp2_common/pico_cyw43_driver/include/cyw43_partition_firmware.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
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| extern int cyw43_wifi_fw_len; | ||
| extern int cyw43_clm_len; | ||
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| #define CYW43_WIFI_FW_LEN (cyw43_wifi_fw_len) | ||
| #define CYW43_CLM_LEN (cyw43_clm_len) | ||
| extern uintptr_t fw_data; | ||
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| #include "boot/picobin.h" | ||
| #include "pico/bootrom.h" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,63 @@ | ||
| #include "boot/picobin.h" | ||
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| #if PICO_CRT0_IMAGE_TYPE_TBYB | ||
| #define CRT0_TBYB_FLAG PICOBIN_IMAGE_TYPE_EXE_TBYB_BITS | ||
| #else | ||
| #define CRT0_TBYB_FLAG 0 | ||
| #endif | ||
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| .section .text | ||
| .global _start | ||
| _start: | ||
| .word 0 | ||
| .word 0 | ||
| .word 0 | ||
| .word 0 | ||
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| .p2align 2 | ||
| embedded_block: | ||
| .word PICOBIN_BLOCK_MARKER_START | ||
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| .byte PICOBIN_BLOCK_ITEM_1BS_IMAGE_TYPE | ||
| .byte 0x1 // 1 word | ||
| .hword PICOBIN_IMAGE_TYPE_IMAGE_TYPE_AS_BITS(EXE) | \ | ||
| PICOBIN_IMAGE_TYPE_EXE_CPU_AS_BITS(RISCV) | \ | ||
| PICOBIN_IMAGE_TYPE_EXE_CHIP_AS_BITS(RP2350) | \ | ||
| CRT0_TBYB_FLAG | ||
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| // Entry point into SRAM | ||
| .byte PICOBIN_BLOCK_ITEM_1BS_ENTRY_POINT | ||
| .byte 0x3 // word size to next item | ||
| .byte 0 // pad | ||
| .byte 0 // pad | ||
| .word _start | ||
| .word 0x20082000 // stack pointer | ||
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| _lm_item: | ||
| .byte PICOBIN_BLOCK_ITEM_LOAD_MAP | ||
| .byte 7 | ||
| .byte 0 // pad | ||
| .byte 2 // 2 entries | ||
| // To sign the firmware | ||
| .word (_start - _lm_item) | ||
| .word _start | ||
| .word (firmware_end - _start) | ||
| // But clear SRAM if actually running this, so it doesn't boot | ||
| .word 0 | ||
| .word _start | ||
| .word 0x00082000 | ||
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| .byte PICOBIN_BLOCK_ITEM_2BS_LAST | ||
| .hword (embedded_block_end - embedded_block - 16 ) / 4 // total size of all | ||
| .byte 0 | ||
| .word 0 | ||
| .word PICOBIN_BLOCK_MARKER_END | ||
| embedded_block_end: | ||
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| #if WB_FIRMWARE | ||
| #include "firmware_wb_blob.S" | ||
| #else | ||
| #include "firmware_w_blob.S" | ||
| #endif | ||
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| firmware_end: |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| { | ||
| "version": [1, 0], | ||
| "unpartitioned": { | ||
| "families": ["absolute"], | ||
| "permissions": { | ||
| "secure": "rw", | ||
| "nonsecure": "rw", | ||
| "bootloader": "rw" | ||
| } | ||
| }, | ||
| "partitions": [ | ||
| { | ||
| "name": "Main", | ||
| "id": 0, | ||
| "start": 0, | ||
| "size": "3500K", | ||
| "families": ["rp2350-arm-s", "rp2350-riscv"], | ||
| "permissions": { | ||
| "secure": "rw", | ||
| "nonsecure": "rw", | ||
| "bootloader": "rw" | ||
| } | ||
| }, | ||
| { | ||
| "name": "Wi-Fi Firmware", | ||
| "id": "0x123456789abcdef0", | ||
| "start": "3500k", | ||
| "size": "240K", | ||
| "families": ["0x12345678"], | ||
| "permissions": { | ||
| "secure": "rw", | ||
| "nonsecure": "rw", | ||
| "bootloader": "rw" | ||
| }, | ||
| "ignored_during_riscv_boot": true, | ||
| "no_reboot_on_uf2_download": true | ||
| }, | ||
| { | ||
| "start": "3500k", | ||
| "size": "240k", | ||
| "families": ["0x12345678"], | ||
| "permissions": { | ||
| "secure": "rw", | ||
| "nonsecure": "rw", | ||
| "bootloader": "rw" | ||
| }, | ||
| "link": ["a", 1], | ||
| "ignored_during_riscv_boot": true, | ||
| "no_reboot_on_uf2_download": true | ||
| } | ||
| ] | ||
| } |