So far this is hardcoded to zero, and we should read the value from mhartid CSR and pass it to Linux kernel.
Suggested-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Signed-off-by: Bin Meng bmeng.cn@gmail.com
---
Changes in v2: - new patch to pass mhartid CSR value to kernel
arch/riscv/lib/bootm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c index 6893108..a7a9fb9 100644 --- a/arch/riscv/lib/bootm.c +++ b/arch/riscv/lib/bootm.c @@ -11,6 +11,7 @@ #include <image.h> #include <u-boot/zlib.h> #include <asm/byteorder.h> +#include <asm/csr.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -57,9 +58,9 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) printf("\nStarting kernel ...\n\n");
cleanup_before_linux(); - /* TODO: hardcode the hart id to zero for now */ + if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) - kernel(0, images->ft_addr); + kernel(csr_read(mhartid), images->ft_addr);
/* does not return */