diff options
| author | Marc Zyngier <maz@kernel.org> | 2021-02-08 09:57:18 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-02-09 13:47:12 +0000 |
| commit | d077cb3cb90470f8bd7dbe357a474e13589390b9 (patch) | |
| tree | dcdcf5bbc3f7b604354f47a1a040fe378edbeb0a /arch/arm64/kernel/head.S | |
| parent | e2df464173f0b585adb958a09536eae2cd1dbefd (diff) | |
arm64: Move SCTLR_EL1 initialisation to EL-agnostic code
We can now move the initial SCTLR_EL1 setup to be used for both
EL1 and EL2 setup.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Brazdil <dbrazdil@google.com>
Link: https://lore.kernel.org/r/20210208095732.3267263-10-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/head.S')
| -rw-r--r-- | arch/arm64/kernel/head.S | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 0a46f722f051..2c1b8ffa3d3e 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -479,13 +479,14 @@ EXPORT_SYMBOL(kimage_vaddr) * booted in EL1 or EL2 respectively. */ SYM_FUNC_START(init_kernel_el) + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr sctlr_el1, x0 + mrs x0, CurrentEL cmp x0, #CurrentEL_EL2 b.eq init_el2 SYM_INNER_LABEL(init_el1, SYM_L_LOCAL) - mov_q x0, INIT_SCTLR_EL1_MMU_OFF - msr sctlr_el1, x0 isb mov_q x0, INIT_PSTATE_EL1 msr spsr_el1, x0 @@ -494,9 +495,6 @@ SYM_INNER_LABEL(init_el1, SYM_L_LOCAL) eret SYM_INNER_LABEL(init_el2, SYM_L_LOCAL) - mov_q x0, INIT_SCTLR_EL1_MMU_OFF - msr sctlr_el1, x0 - mov_q x0, HCR_HOST_NVHE_FLAGS msr hcr_el2, x0 isb |