| #include "offsets.h" |
| |
| .section .init.image, "ax" |
| |
| .global image_entry |
| image_entry: |
| /* Save the FDT to a global variable. */ |
| adrp x30, fdt_addr |
| add x30, x30, :lo12:fdt_addr |
| str x0, [x30] |
| |
| /* Get pointer to first cpu. */ |
| adrp x0, cpus |
| add x0, x0, :lo12:cpus |
| |
| .globl cpu_entry |
| cpu_entry: |
| /* Disable interrupts. */ |
| msr DAIFSet, #0xf |
| |
| /* Save pointer to CPU struct for later reference. */ |
| msr tpidr_el2, x0 |
| |
| /* Use SPx (instead of SP0). */ |
| msr spsel, #1 |
| |
| /* Prepare the stack. */ |
| ldr x30, [x0, #CPU_STACK_BOTTOM] |
| mov sp, x30 |
| |
| /* Configure exception handlers. */ |
| adrp x30, vector_table_el2 |
| add x30, x30, :lo12:vector_table_el2 |
| msr vbar_el2, x30 |
| |
| /* Call into C code. */ |
| bl cpu_main |
| |
| /* Run the vcpu returned by cpu_main. */ |
| b vcpu_restore_all_and_run |
| |
| /* Loop forever waiting for interrupts. */ |
| 5: wfi |
| b 5b |
| |
| /* TODO: Move this elsewhere. */ |
| .globl smc |
| smc: |
| SMC #0 |
| ret |
