From e90b72ec3082588b296956730bd2930cf8d5d671 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Fri, 10 Jul 2026 11:31:46 +0800 Subject: refactor: promote new architecture to repository root Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior. --- lume-legacy/src/boot/entry.S | 47 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 lume-legacy/src/boot/entry.S (limited to 'lume-legacy/src/boot') diff --git a/lume-legacy/src/boot/entry.S b/lume-legacy/src/boot/entry.S new file mode 100644 index 0000000..8910ddc --- /dev/null +++ b/lume-legacy/src/boot/entry.S @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (C) 2026 Richard Qin + +.section .text.entry +.global _start + +_start: + mv tp, a0 + + la t0, stack_base + li t1, 4096 + addi t2, a0, 1 + mul t1, t1, t2 + add sp, t0, t1 + + bnez a0, .L_jump_main + + la t0, sbss + la t1, ebss +.L_clear_bss: + bge t0, t1, .L_save_dtb + sd zero, 0(t0) + addi t0, t0, 8 + j .L_clear_bss + +.L_save_dtb: + la t0, g_dtb_addr + sd a1, 0(t0) + +.L_jump_main: + call kernel_main + +.L_park: + wfi + j .L_park + +.section .bss +.align 4 +.global stack_top +stack_base: + .space 4096 * 8 +stack_top: + +.align 8 +.global g_dtb_addr +g_dtb_addr: + .space 8 \ No newline at end of file -- cgit v1.2.3