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-rw-r--r--boot/bootm_os.c11
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;