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Diffstat (limited to 'arch/riscv64/init/start.S')
| -rw-r--r-- | arch/riscv64/init/start.S | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/riscv64/init/start.S b/arch/riscv64/init/start.S deleted file mode 100644 index b6394f7..0000000 --- a/arch/riscv64/init/start.S +++ /dev/null @@ -1,38 +0,0 @@ -/* SPDX-License-Identifier: copyleft-next-0.3.1 */ -/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */ - -/* generic u-boot passes argc and argv as if we were a regular - * program, so our load address must be placed third. - * If we have a 'custom' u-boot with kmi support, the fdt - * will be passed to us directly, so the load address can go second. - */ -#if GENERIC_UBOOT -# define LOAD_REG a2 -# define INIT init_go -#else -# define LOAD_REG a1 -# define INIT init -#endif - -.section .init -.global _start -/* Entry point to the kernel loader. */ -_start: -/* get load address */ -auipc LOAD_REG, 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 -// INIT shouldn't return, but if we do we might as well just jump back to u-boot -// or wherever -ret - -.section .text -.global jump_to_kernel -jump_to_kernel: -li sp, VM_STACK_TOP // load virtual stack address -li fp, 0 -li gp, 0 -jr a2 // jump to kernel |