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.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
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