diff options
Diffstat (limited to 'boot/bootm_os.c')
-rw-r--r-- | boot/bootm_os.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/boot/bootm_os.c b/boot/bootm_os.c index a3c7cb5332e..88f7c183867 100644 --- a/boot/bootm_os.c +++ b/boot/bootm_os.c @@ -402,6 +402,17 @@ static int do_bootm_elf(int flag, struct bootm_info *bmi) if (flag != BOOTM_STATE_OS_GO) return 0; + /* + * Required per RISC-V boot protocol: + * a0(argc) = hartid of the current core + * a1(argv) = address of the devicetree in memory + * https://www.kernel.org/doc/html/latest/arch/riscv/boot.html#register-state + */ +#if defined(CONFIG_RISCV) + bmi->argc = gd->arch.boot_hart; + bmi->argv = (char **)bmi->images->ft_addr; +#endif + bootelf(bmi->images->ep, flags, bmi->argc, bmi->argv); return 1; |