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| author | Ilias Apalodimas <[email protected]> | 2025-10-16 16:27:43 +0300 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-10-24 13:47:50 -0600 |
| commit | 104a0de7844eee51d183d92f5bd22fa6202bb699 (patch) | |
| tree | 146cc4f39fc95a6bdd58edea50ab9e815a43fdb2 | |
| parent | cf262e16080abcd587f47d0bbc8fa84558abcf89 (diff) | |
arm: armv8: Make save_boot_params simpler
The idiom used in save_boot_params is common for armv7.
In armv8 is much easier to do the same thing with adr/adrp.
So let's simplify the code a bit.
Signed-off-by: Ilias Apalodimas <[email protected]>
| -rw-r--r-- | arch/arm/cpu/armv8/start.S | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 829a620faeb..40c342e97e9 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -387,23 +387,18 @@ ENDPROC(c_runtime_cpu_setup) WEAK(save_boot_params) #if (IS_ENABLED(CONFIG_BLOBLIST)) /* Calculate the PC-relative address of saved_args */ - adr x9, saved_args_offset - ldr w10, saved_args_offset - add x9, x9, w10, sxtw - - stp x0, x1, [x9] - stp x2, x3, [x9, #16] + adrp x9, saved_args + add x9, x9, :lo12:saved_args + stp x0, x1, [x9] + stp x2, x3, [x9, #16] #endif b save_boot_params_ret /* back to my caller */ ENDPROC(save_boot_params) #if (IS_ENABLED(CONFIG_BLOBLIST)) -saved_args_offset: - .long saved_args - . /* offset from current code to save_args */ - - .section .data - .align 2 - .global saved_args +.section .data +.align 2 +.global saved_args saved_args: .rept 4 .dword 0 |