diff options
Diffstat (limited to 'arch/arm/include/asm/system.h')
| -rw-r--r-- | arch/arm/include/asm/system.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index dbf9ab43e28..091082281c7 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -239,6 +239,22 @@ int __asm_invalidate_l3_icache(void); void __asm_switch_ttbr(u64 new_ttbr); /* + * armv8_switch_to_el2_prep() - prepare for switch from EL3 to EL2 for ARMv8 + * + * @args: For loading 64-bit OS, fdt address. + * For loading 32-bit OS, zero. + * @mach_nr: For loading 64-bit OS, zero. + * For loading 32-bit OS, machine nr + * @fdt_addr: For loading 64-bit OS, zero. + * For loading 32-bit OS, fdt address. + * @arg4: Input argument. + * @entry_point: kernel entry point + * @es_flag: execution state flag, ES_TO_AARCH64 or ES_TO_AARCH32 + */ +void armv8_switch_to_el2_prep(u64 args, u64 mach_nr, u64 fdt_addr, + u64 arg4, u64 entry_point, u64 es_flag); + +/* * armv8_switch_to_el2() - switch from EL3 to EL2 for ARMv8 * * @args: For loading 64-bit OS, fdt address. |