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rCore/riscv-pk/dummy_payload/dummy_entry.S
2018-07-04 16:22:20 +08:00

23 lines
359 B
ArmAsm

#include "mcall.h"
.section ".text.init"
.globl _start
_start:
la s0, str
1:
lbu a0, (s0)
beqz a0, 1f
li a7, SBI_CONSOLE_PUTCHAR
ecall
add s0, s0, 1
j 1b
1:
li a7, SBI_SHUTDOWN
ecall
.data
str:
.asciz "This is bbl's dummy_payload. To boot a real kernel, reconfigure\n\
bbl with the flag --with-payload=PATH, then rebuild bbl.\n"