arm64: kernel: add code to set cpu boot mode to secondary_entry shim

The refactoring of el2_setup split code setting up EL2 and detecting the
CPU boot mode in separate chunks. This allows the code that sets up EL2 to
run in an endian independent way - ie before the endianess is set up in
the respective sctlr registers.

This patch brings secondary_entry up-to-date so that CPUs entering the
kernel through this code path set-up EL2 and the cpu boot mode properly.

Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Mark Rutland <mark.rutand@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 7009387348b7c416f9dc8732a18c7563eac4af4e..c68cca5c3523221421e93460805a3c4d9cbac5a4 100644 (file)
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -282,8 +282,9 @@ ENDPROC(secondary_holding_pen)
         * be used where CPUs are brought online dynamically by the kernel.
         */
 ENTRY(secondary_entry)
-       bl      __calc_phys_offset              // x2=phys offset
        bl      el2_setup                       // Drop to EL1
+       bl      __calc_phys_offset              // x24=PHYS_OFFSET, x28=PHYS_OFFSET-PAGE_OFFSET
+       bl      set_cpu_boot_mode_flag
        b       secondary_startup
 ENDPROC(secondary_entry)