Avoid reading mhartid CSR directly, instead use the one we saved in the global data structure before.
With this patch, BBL no longer needs to be hacked to provide the mhartid CSR emulation for S-mode U-Boot.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Reviewed-by: Anup Patel anup@brainfault.org
---
Changes in v5: None Changes in v4: None Changes in v3: - new patch to change to use boot_hart from global data
Changes in v2: None
arch/riscv/lib/bootm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c index 124aeef..60b32cc 100644 --- a/arch/riscv/lib/bootm.c +++ b/arch/riscv/lib/bootm.c @@ -93,7 +93,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
if (!fake) { if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) - kernel(csr_read(mhartid), images->ft_addr); + kernel(gd->arch.boot_hart, images->ft_addr); } }