/*
 * Copyright 2020-2021, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */

#include <asm_defs.h>


        .text

/*      status_t arch_enter_kernel(struct kernel_args *kernelArgs,
                addr_t kernelEntry, addr_t kernelStackTop, uint32 cpu);

        x0      - kernelArgs
        x1      - kernelEntry
        x2      - kernelStackTop
        x3      - cpu
*/
FUNCTION(arch_enter_kernel):

        // set the kernel stack
        mov             sp,x2

        // set up kernel _start args
        //mov   x0,x0   // kernelArgs
        mov             x4,x1
        mov             x1,x3   // currentCPU

        // clear frame pointer to ensure the kernel doesn't
        // try to continue a stacktrace back out here
        mov             fp,#0

        // call the kernel
        br              x4

        // return
        mov             x0,#-1  // B_ERROR
        ret

FUNCTION_END(arch_enter_kernel)