diff options
Diffstat (limited to 'firmware/fw_jump.S')
| -rw-r--r-- | firmware/fw_jump.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/firmware/fw_jump.S b/firmware/fw_jump.S index cdf1f41..84391c9 100644 --- a/firmware/fw_jump.S +++ b/firmware/fw_jump.S @@ -11,6 +11,19 @@ .align 3 .section .entry, "ax", %progbits + .global fw_boot_hart + /* + * This function is called very early even before + * fw_save_info() is called. + * We can only use a0, a1, and a2 registers here. + * The boot HART id should be returned in 'a0'. + */ +fw_boot_hart: + li a0, -1 + ret + + .align 3 + .section .entry, "ax", %progbits .global fw_save_info /* * We can only use a0, a1, a2, a3, and a4 registers here. |