diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2020-09-14 11:25:52 +0300 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2020-10-28 17:05:40 +0100 |
| commit | aaac3733171fca948c4fb66b78257620e3885339 (patch) | |
| tree | cba1fd9caa5b3a57daa74f55dbb19072c677e29f /arch/arm/boot/compressed/head.S | |
| parent | 3bcf906b194cebb6817cbb2f07b69e12aa5d7f51 (diff) | |
| download | linux-aaac3733171fca948c4fb66b78257620e3885339.tar.gz | |
ARM: kvm: replace open coded VA->PA calculations with adr_l call
Replace the open coded calculations of the actual physical address
of the KVM stub vector table with a single adr_l invocation.
Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'arch/arm/boot/compressed/head.S')
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 5b591dacbaaf..9905fb7560df 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -468,15 +468,10 @@ dtb_check_done: /* * Compute the address of the hyp vectors after relocation. - * This requires some arithmetic since we cannot directly - * reference __hyp_stub_vectors in a PC-relative way. * Call __hyp_set_vectors with the new address so that we * can HVC again after the copy. */ -0: adr r0, 0b - movw r1, #:lower16:__hyp_stub_vectors - 0b - movt r1, #:upper16:__hyp_stub_vectors - 0b - add r0, r0, r1 + adr_l r0, __hyp_stub_vectors sub r0, r0, r5 add r0, r0, r10 bl __hyp_set_vectors @@ -627,17 +622,11 @@ not_relocated: mov r0, #0 cmp r0, #HYP_MODE @ if not booted in HYP mode... bne __enter_kernel @ boot kernel directly - adr r12, .L__hyp_reentry_vectors_offset - ldr r0, [r12] - add r0, r0, r12 - + adr_l r0, __hyp_reentry_vectors bl __hyp_set_vectors __HVC(0) @ otherwise bounce to hyp mode b . @ should never be reached - - .align 2 -.L__hyp_reentry_vectors_offset: .long __hyp_reentry_vectors - . #else b __enter_kernel #endif |