diff options
Diffstat (limited to 'arch/riscv64/init/start.S')
| -rw-r--r-- | arch/riscv64/init/start.S | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/riscv64/init/start.S b/arch/riscv64/init/start.S index b54f685..759c409 100644 --- a/arch/riscv64/init/start.S +++ b/arch/riscv64/init/start.S @@ -5,8 +5,10 @@ .global _start /* Entry point to the kernel loader. */ _start: -/* load static stack */ -li sp, PM_STACK_TOP +/* get load address */ +auipc a1, 0 +/* keep using bootloader stack for now */ +//li sp, PM_STACK_TOP /* make sure there's no garbage in tp, important for id assignment */ li tp, 0 call init @@ -14,6 +16,12 @@ call init .section .text .global jump_to_kernel jump_to_kernel: -mv a2, a0 // store kernel addr -mv a0, a1 // move fdt pointer to first argument +li sp, VM_STACK_TOP // load virtual stack address +li fp, 0 +li gp, 0 jr a2 // jump to kernel + +/* there should be a kernel payload after this address */ +.section .top +.global __kernel +__kernel: |