brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-09-30 08:30:50 +09:00
Code Issues Projects Releases Wiki Activity

riscv: bootm: Pass mhartid CSR value to kernel

Browse Source 
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>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Rick Chen <rick@andestech.com>
This commit is contained in:
Bin Meng 2018-09-26 06:55:16 -07:00 committed by Andes
parent e5ea1e5860
commit ed49ba4dcc
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/riscv/lib/bootm.c
View File

@ -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 */