diff options
Diffstat (limited to 'dummy_payload/dummy_entry.S')
| -rw-r--r-- | dummy_payload/dummy_entry.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/dummy_payload/dummy_entry.S b/dummy_payload/dummy_entry.S new file mode 100644 index 0000000..92d4652 --- /dev/null +++ b/dummy_payload/dummy_entry.S @@ -0,0 +1,22 @@ +#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" |