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| author | Tharo <tharo10600@gmail.com> | 2026-08-02 15:27:33 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2026-08-02 16:27:33 +0200 |
| commit | da4a1f661cc87c8a31b65310f8940a5c5f0927d6 (patch) | |
| tree | 3ec5f051015b043c943f47736c37aaf1476fc522 /rsp/rsp2elf.s | |
| parent | 32b88f90a86a024dae0af0dc28a2c5e023fd193a (diff) | |
[rsp] Introduce microcode build process, disassemble and build both rspboot versions (#2764)HEADmain
* [rsp] Introduce microcode build process, disassemble and build both rspboot versions
* Suggested changes
* Check-in tool for generating armips.cpp from upstream sources, regen armips.cpp against a newer commit
* License armips_gen.py, add notice that armips.cpp is automatically generated
* Qualify comment with X105
* Clarify the assumed purpose of rspboot releasing SP_SEMAPHORE
Diffstat (limited to 'rsp/rsp2elf.s')
| -rw-r--r-- | rsp/rsp2elf.s | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/rsp/rsp2elf.s b/rsp/rsp2elf.s new file mode 100644 index 000000000..db3618854 --- /dev/null +++ b/rsp/rsp2elf.s @@ -0,0 +1,47 @@ +/** + * @file rsp2elf.s + * + * This file converts binaries output from armips into a suitable elf file to be linked into the project. + * It requires the following preprocessor definitions to be provided when assembled: + * UC_NAME : The microcode name, used to generate symbol names for text and data + * UC_TEXT_SECTION : The program section to place the microcode text into, usually .text + * UC_DATA_SECTION : The program section to place the microcode data into, usually .rodata + * UC_TEXT_BIN_PATH : The path to the microcode text binary + * UC_DATA_BIN_PATH : The path to the microcode data binary + */ + +/* Preprocessor macros */ + +#define GLUE(a,b) a##b +#define SYM_NAME(a,b) GLUE(a,b) + +#define STR(x) #x +#define BIN_PATH(x) STR(x) + +/* Microcode text */ + +.section UC_TEXT_SECTION + +.global SYM_NAME(UC_NAME,TextStart) +SYM_NAME(UC_NAME,TextStart): + + .incbin BIN_PATH(UC_TEXT_BIN_PATH) + +.global SYM_NAME(UC_NAME,TextEnd) +SYM_NAME(UC_NAME,TextEnd): + +.size SYM_NAME(UC_NAME,TextStart), SYM_NAME(UC_NAME,TextEnd) - SYM_NAME(UC_NAME,TextStart) + +/* Microcode data */ + +.section UC_DATA_SECTION + +.global SYM_NAME(UC_NAME,DataStart) +SYM_NAME(UC_NAME,DataStart): + + .incbin BIN_PATH(UC_DATA_BIN_PATH) + +.global SYM_NAME(UC_NAME,DataEnd) +SYM_NAME(UC_NAME,DataEnd): + +.size SYM_NAME(UC_NAME,DataStart), SYM_NAME(UC_NAME,DataEnd) - SYM_NAME(UC_NAME,DataStart) |